diff options
| author | Paul McGuire <ptmcg@austin.rr.com> | 2019-01-05 17:49:45 -0600 |
|---|---|---|
| committer | Paul McGuire <ptmcg@austin.rr.com> | 2019-01-05 17:49:45 -0600 |
| commit | 1c573befa15f61cadbb285a3b3f8d7a6c199fe93 (patch) | |
| tree | 405d36a87bf58f5f4a830599d94f8b14ee000aad /unitTests.py | |
| parent | fb319395a0450513e8528c0b2ce9104f1ede59a3 (diff) | |
| download | pyparsing-git-1c573befa15f61cadbb285a3b3f8d7a6c199fe93.tar.gz | |
Add experimental ParseException.explain() method, to return a multiline string showing the parse expressions leading to a parsing failure
Diffstat (limited to 'unitTests.py')
| -rw-r--r-- | unitTests.py | 8323 |
1 files changed, 4181 insertions, 4142 deletions
diff --git a/unitTests.py b/unitTests.py index f7276e5..6a7eb20 100644 --- a/unitTests.py +++ b/unitTests.py @@ -1,4142 +1,4181 @@ -# -*- coding: utf-8 -*-
-#
-# unitTests.py
-#
-# Unit tests for pyparsing module
-#
-# Copyright 2002-2018, Paul McGuire
-#
-#
-from unittest import TestCase, TestSuite, TextTestRunner
-import datetime
-from pyparsing import ParseException
-import pyparsing as pp
-
-import sys
-
-PY_3 = sys.version.startswith('3')
-if PY_3:
- import builtins
- print_ = getattr(builtins, "print")
-
- # catch calls to builtin print(), should be print_
- def printX(*args, **kwargs):
- raise Exception("Test coding error: using print() directly, should use print_()")
- globals()['print'] = printX
-
- from io import StringIO
-else:
- def _print(*args, **kwargs):
- if 'end' in kwargs:
- sys.stdout.write(' '.join(map(str,args)) + kwargs['end'])
- else:
- sys.stdout.write(' '.join(map(str,args)) + '\n')
- print_ = _print
- from cStringIO import StringIO
-
-
-# see which Python implementation we are running
-CPYTHON_ENV = (sys.platform == "win32")
-IRON_PYTHON_ENV = (sys.platform == "cli")
-JYTHON_ENV = sys.platform.startswith("java")
-
-TEST_USING_PACKRAT = True
-#~ TEST_USING_PACKRAT = False
-
-VERBOSE = True
-
-# simple utility for flattening nested lists
-def flatten(L):
- if type(L) is not list: return [L]
- if L == []: return L
- return flatten(L[0]) + flatten(L[1:])
-
-"""
-class ParseTest(TestCase):
- def setUp(self):
- pass
-
- def runTest(self):
- self.assertTrue(1==1, "we've got bigger problems...")
-
- def tearDown(self):
- pass
-"""
-
-class AutoReset(object):
- def __init__(self, *args):
- ob = args[0]
- attrnames = args[1:]
- self.ob = ob
- self.save_attrs = attrnames
- self.save_values = [getattr(ob, attrname) for attrname in attrnames]
-
- def __enter__(self):
- pass
-
- def __exit__(self, *args):
- for attr, value in zip(self.save_attrs, self.save_values):
- setattr(self.ob, attr, value)
-
-BUFFER_OUTPUT = True
-
-class ParseTestCase(TestCase):
- def __init__(self):
- super(ParseTestCase, self).__init__(methodName='_runTest')
-
- def _runTest(self):
-
- buffered_stdout = StringIO()
-
- try:
- with AutoReset(sys, 'stdout', 'stderr'):
- try:
- if BUFFER_OUTPUT:
- sys.stdout = buffered_stdout
- sys.stderr = buffered_stdout
- print_(">>>> Starting test",str(self))
- self.runTest()
-
- finally:
- print_("<<<< End of test",str(self))
- print_()
-
- except Exception as exc:
- if BUFFER_OUTPUT:
- print_()
- print_(buffered_stdout.getvalue())
- raise
-
- def runTest(self):
- pass
-
- def __str__(self):
- return self.__class__.__name__
-
-class PyparsingTestInit(ParseTestCase):
- def setUp(self):
- from pyparsing import __version__ as pyparsingVersion
- print_("Beginning test of pyparsing, version", pyparsingVersion)
- print_("Python version", sys.version)
- def tearDown(self):
- pass
-
-if 0:
- class ParseASMLTest(ParseTestCase):
- def runTest(self):
- import parseASML
- files = [ ("A52759.txt", 2150, True, True, 0.38, 25, "21:47:17", "22:07:32", 235),
- ("24141506_P5107RM59_399A1457N1_PHS04", 373,True, True, 0.5, 1, "11:35:25", "11:37:05", 183),
- ("24141506_P5107RM59_399A1457N1_PHS04B", 373, True, True, 0.5, 1, "01:02:54", "01:04:49", 186),
- ("24157800_P5107RM74_399A1828M1_PHS04", 1141, True, False, 0.5, 13, "00:00:54", "23:59:48", 154) ]
- for testFile,numToks,trkInpUsed,trkOutpUsed,maxDelta,numWafers,minProcBeg,maxProcEnd,maxLevStatsIV in files:
- print_("Parsing",testFile,"...", end=' ')
- #~ text = "\n".join( [ line for line in file(testFile) ] )
- #~ results = parseASML.BNF().parseString( text )
- results = parseASML.BNF().parseFile( testFile )
- #~ pprint.pprint( results.asList() )
- #~ pprint.pprint( results.batchData.asList() )
- #~ print results.batchData.keys()
-
- allToks = flatten( results.asList() )
- self.assertTrue(len(allToks) == numToks,
- "wrong number of tokens parsed (%s), got %d, expected %d" % (testFile, len(allToks),numToks))
- self.assertTrue(results.batchData.trackInputUsed == trkInpUsed, "error evaluating results.batchData.trackInputUsed")
- self.assertTrue(results.batchData.trackOutputUsed == trkOutpUsed, "error evaluating results.batchData.trackOutputUsed")
- self.assertTrue(results.batchData.maxDelta == maxDelta,"error evaluating results.batchData.maxDelta")
- self.assertTrue(len(results.waferData) == numWafers, "did not read correct number of wafers")
- self.assertTrue(min([wd.procBegin for wd in results.waferData]) == minProcBeg, "error reading waferData.procBegin")
- self.assertTrue(max([results.waferData[k].procEnd for k in range(len(results.waferData))]) == maxProcEnd, "error reading waferData.procEnd")
- self.assertTrue(sum(results.levelStatsIV['MAX']) == maxLevStatsIV, "error reading levelStatsIV")
- self.assertTrue(sum(results.levelStatsIV.MAX) == maxLevStatsIV, "error reading levelStatsIV")
- print_("OK")
- print_(testFile,len(allToks))
- #~ print "results.batchData.trackInputUsed =",results.batchData.trackInputUsed
- #~ print "results.batchData.trackOutputUsed =",results.batchData.trackOutputUsed
- #~ print "results.batchData.maxDelta =",results.batchData.maxDelta
- #~ print len(results.waferData)," wafers"
- #~ print min([wd.procBegin for wd in results.waferData])
- #~ print max([results.waferData[k].procEnd for k in range(len(results.waferData))])
- #~ print sum(results.levelStatsIV['MAX.'])
-
-
-class ParseFourFnTest(ParseTestCase):
- def runTest(self):
- import examples.fourFn as fourFn
- def test(s,ans):
- fourFn.exprStack = []
- results = fourFn.BNF().parseString( s )
- resultValue = fourFn.evaluateStack( fourFn.exprStack )
- self.assertTrue(resultValue == ans, "failed to evaluate %s, got %f" % ( s, resultValue ))
- print_(s, "->", resultValue)
-
- from math import pi,exp
- e = exp(1)
-
- test( "9", 9 )
- test( "9 + 3 + 6", 18 )
- test( "9 + 3 / 11", 9.0+3.0/11.0)
- test( "(9 + 3)", 12 )
- test( "(9+3) / 11", (9.0+3.0)/11.0 )
- test( "9 - (12 - 6)", 3)
- test( "2*3.14159", 6.28318)
- test( "3.1415926535*3.1415926535 / 10", 3.1415926535*3.1415926535/10.0 )
- test( "PI * PI / 10", pi*pi/10.0 )
- test( "PI*PI/10", pi*pi/10.0 )
- test( "6.02E23 * 8.048", 6.02E23 * 8.048 )
- test( "e / 3", e/3.0 )
- test( "sin(PI/2)", 1.0 )
- test( "trunc(E)", 2.0 )
- test( "E^PI", e**pi )
- test( "2^3^2", 2**3**2)
- test( "2^3+2", 2**3+2)
- test( "2^9", 2**9 )
- test( "sgn(-2)", -1 )
- test( "sgn(0)", 0 )
- test( "sgn(0.1)", 1 )
-
-class ParseSQLTest(ParseTestCase):
- def runTest(self):
- import examples.simpleSQL as simpleSQL
-
- def test(s, numToks, errloc=-1):
- try:
- sqlToks = flatten(simpleSQL.simpleSQL.parseString(s).asList())
- print_(s,sqlToks,len(sqlToks))
- self.assertEqual(len(sqlToks), numToks,
- "invalid parsed tokens, expected {}, found {} ({})".format(numToks,
- len(sqlToks),
- sqlToks))
- except ParseException as e:
- if errloc >= 0:
- self.assertEqual(e.loc, errloc, "expected error at {}, found at {}".format(errloc, e.loc))
-
- test( "SELECT * from XYZZY, ABC", 6 )
- test( "select * from SYS.XYZZY", 5 )
- test( "Select A from Sys.dual", 5 )
- test( "Select A,B,C from Sys.dual", 7 )
- test( "Select A, B, C from Sys.dual", 7 )
- test( "Select A, B, C from Sys.dual, Table2 ", 8 )
- test( "Xelect A, B, C from Sys.dual", 0, 0 )
- test( "Select A, B, C frox Sys.dual", 0, 15 )
- test( "Select", 0, 6 )
- test( "Select &&& frox Sys.dual", 0, 7 )
- test( "Select A from Sys.dual where a in ('RED','GREEN','BLUE')", 12 )
- test( "Select A from Sys.dual where a in ('RED','GREEN','BLUE') and b in (10,20,30)", 20 )
- test( "Select A,b from table1,table2 where table1.id eq table2.id -- test out comparison operators", 10 )
-
-class ParseConfigFileTest(ParseTestCase):
- def runTest(self):
- from examples import configParse
-
- def test(fnam,numToks,resCheckList):
- print_("Parsing",fnam,"...", end=' ')
- with open(fnam) as infile:
- iniFileLines = "\n".join(infile.read().splitlines())
- iniData = configParse.inifile_BNF().parseString( iniFileLines )
- print_(len(flatten(iniData.asList())))
- #~ pprint.pprint( iniData.asList() )
- #~ pprint.pprint( repr(iniData) )
- #~ print len(iniData), len(flatten(iniData.asList()))
- print_(list(iniData.keys()))
- #~ print iniData.users.keys()
- #~ print
- self.assertEqual(len(flatten(iniData.asList())), numToks, "file %s not parsed correctly" % fnam)
- for chk in resCheckList:
- var = iniData
- for attr in chk[0].split('.'):
- var = getattr(var, attr)
- print_(chk[0], var, chk[1])
- self.assertEqual(var, chk[1],
- "ParseConfigFileTest: failed to parse ini {!r} as expected {}, found {}".format(chk[0],
- chk[1],
- var))
- print_("OK")
-
- test("test/karthik.ini", 23,
- [ ("users.K","8"),
- ("users.mod_scheme","'QPSK'"),
- ("users.Na", "K+2") ]
- )
- test("examples/Setup.ini", 125,
- [ ("Startup.audioinf", "M3i"),
- ("Languages.key1", "0x0003"),
- ("test.foo","bar") ] )
-
-class ParseJSONDataTest(ParseTestCase):
- def runTest(self):
- from examples.jsonParser import jsonObject
- from test.jsonParserTests import test1,test2,test3,test4,test5
- from test.jsonParserTests import test1,test2,test3,test4,test5
-
- expected = [
- [],
- [],
- [],
- [],
- [],
- ]
-
- for t,exp in zip((test1,test2,test3,test4,test5),expected):
- result = jsonObject.parseString(t)
-## print result.dump()
- result.pprint()
- print_()
-## if result.asList() != exp:
-## print "Expected %s, parsed results as %s" % (exp, result.asList())
-
-class ParseCommaSeparatedValuesTest(ParseTestCase):
- def runTest(self):
- from pyparsing import commaSeparatedList
-
- testData = [
- "a,b,c,100.2,,3",
- "d, e, j k , m ",
- "'Hello, World', f, g , , 5.1,x",
- "John Doe, 123 Main St., Cleveland, Ohio",
- "Jane Doe, 456 St. James St., Los Angeles , California ",
- "",
- ]
- testVals = [
- [ (3,'100.2'), (4,''), (5, '3') ],
- [ (2, 'j k'), (3, 'm') ],
- [ (0, "'Hello, World'"), (2, 'g'), (3, '') ],
- [ (0,'John Doe'), (1, '123 Main St.'), (2, 'Cleveland'), (3, 'Ohio') ],
- [ (0,'Jane Doe'), (1, '456 St. James St.'), (2, 'Los Angeles'), (3, 'California') ]
- ]
- for line,tests in zip(testData, testVals):
- print_("Parsing: \""+line+"\" ->", end=' ')
- results = commaSeparatedList.parseString(line)
- print_(results.asList())
- for t in tests:
- if not(len(results)>t[0] and results[t[0]] == t[1]):
- print_("$$$", results.dump())
- print_("$$$", results[0])
- self.assertTrue(len(results)>t[0] and results[t[0]] == t[1],
- "failed on %s, item %d s/b '%s', got '%s'" % (line, t[0], t[1], str(results.asList())))
-
-class ParseEBNFTest(ParseTestCase):
- def runTest(self):
- from examples import ebnf
- from pyparsing import Word, quotedString, alphas, nums
-
- print_('Constructing EBNF parser with pyparsing...')
-
- grammar = '''
- syntax = (syntax_rule), {(syntax_rule)};
- syntax_rule = meta_identifier, '=', definitions_list, ';';
- definitions_list = single_definition, {'|', single_definition};
- single_definition = syntactic_term, {',', syntactic_term};
- syntactic_term = syntactic_factor,['-', syntactic_factor];
- syntactic_factor = [integer, '*'], syntactic_primary;
- syntactic_primary = optional_sequence | repeated_sequence |
- grouped_sequence | meta_identifier | terminal_string;
- optional_sequence = '[', definitions_list, ']';
- repeated_sequence = '{', definitions_list, '}';
- grouped_sequence = '(', definitions_list, ')';
- (*
- terminal_string = "'", character - "'", {character - "'"}, "'" |
- '"', character - '"', {character - '"'}, '"';
- meta_identifier = letter, {letter | digit};
- integer = digit, {digit};
- *)
- '''
-
- table = {}
- table['terminal_string'] = quotedString
- table['meta_identifier'] = Word(alphas+"_", alphas+"_"+nums)
- table['integer'] = Word(nums)
-
- print_('Parsing EBNF grammar with EBNF parser...')
- parsers = ebnf.parse(grammar, table)
- ebnf_parser = parsers['syntax']
- #~ print ",\n ".join( str(parsers.keys()).split(", ") )
- print_("-","\n- ".join( list(parsers.keys()) ))
- self.assertEqual(len(list(parsers.keys())), 13, "failed to construct syntax grammar")
-
- print_('Parsing EBNF grammar with generated EBNF parser...')
- parsed_chars = ebnf_parser.parseString(grammar)
- parsed_char_len = len(parsed_chars)
-
- print_("],\n".join(str( parsed_chars.asList() ).split("],")))
- self.assertEqual(len(flatten(parsed_chars.asList())), 98, "failed to tokenize grammar correctly")
-
-
-class ParseIDLTest(ParseTestCase):
- def runTest(self):
- from examples import idlParse
-
- def test( strng, numToks, errloc=0 ):
- print_(strng)
- try:
- bnf = idlParse.CORBA_IDL_BNF()
- tokens = bnf.parseString( strng )
- print_("tokens = ")
- tokens.pprint()
- tokens = flatten( tokens.asList() )
- print_(len(tokens))
- self.assertEqual(len(tokens), numToks, "error matching IDL string, %s -> %s" % (strng, str(tokens)))
- except ParseException as err:
- print_(err.line)
- print_(" "*(err.column-1) + "^")
- print_(err)
- self.assertEqual(numToks, 0, "unexpected ParseException while parsing %s, %s" % (strng, str(err)))
- self.assertEqual(err.loc, errloc,
- "expected ParseException at %d, found exception at %d" % (errloc, err.loc))
-
- test(
- """
- /*
- * a block comment *
- */
- typedef string[10] tenStrings;
- typedef sequence<string> stringSeq;
- typedef sequence< sequence<string> > stringSeqSeq;
-
- interface QoSAdmin {
- stringSeq method1( in string arg1, inout long arg2 );
- stringSeqSeq method2( in string arg1, inout long arg2, inout long arg3);
- string method3();
- };
- """, 59
- )
- test(
- """
- /*
- * a block comment *
- */
- typedef string[10] tenStrings;
- typedef
- /** ** *** **** *
- * a block comment *
- */
- sequence<string> /*comment inside an And */ stringSeq;
- /* */ /**/ /***/ /****/
- typedef sequence< sequence<string> > stringSeqSeq;
-
- interface QoSAdmin {
- stringSeq method1( in string arg1, inout long arg2 );
- stringSeqSeq method2( in string arg1, inout long arg2, inout long arg3);
- string method3();
- };
- """, 59
- )
- test(
- r"""
- const string test="Test String\n";
- const long a = 0;
- const long b = -100;
- const float c = 3.14159;
- const long d = 0x007f7f7f;
- exception TestException
- {
- string msg;
- sequence<string> dataStrings;
- };
-
- interface TestInterface
- {
- void method1( in string arg1, inout long arg2 );
- };
- """, 60
- )
- test(
- """
- module Test1
- {
- exception TestException
- {
- string msg;
- ];
-
- interface TestInterface
- {
- void method1( in string arg1, inout long arg2 )
- raises ( TestException );
- };
- };
- """, 0, 56
- )
- test(
- """
- module Test1
- {
- exception TestException
- {
- string msg;
- };
-
- };
- """, 13
- )
-
-class ParseVerilogTest(ParseTestCase):
- def runTest(self):
- pass
-
-class RunExamplesTest(ParseTestCase):
- def runTest(self):
- pass
-
-class ScanStringTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, Combine, Suppress, CharsNotIn, nums, StringEnd
- testdata = """
- <table border="0" cellpadding="3" cellspacing="3" frame="" width="90%">
- <tr align="left" valign="top">
- <td><b>Name</b></td>
- <td><b>IP Address</b></td>
- <td><b>Location</b></td>
- </tr>
- <tr align="left" valign="top" bgcolor="#c7efce">
- <td>time-a.nist.gov</td>
- <td>129.6.15.28</td>
- <td>NIST, Gaithersburg, Maryland</td>
- </tr>
- <tr align="left" valign="top">
- <td>time-b.nist.gov</td>
- <td>129.6.15.29</td>
- <td>NIST, Gaithersburg, Maryland</td>
- </tr>
- <tr align="left" valign="top" bgcolor="#c7efce">
- <td>time-a.timefreq.bldrdoc.gov</td>
- <td>132.163.4.101</td>
- <td>NIST, Boulder, Colorado</td>
- </tr>
- <tr align="left" valign="top">
- <td>time-b.timefreq.bldrdoc.gov</td>
- <td>132.163.4.102</td>
- <td>NIST, Boulder, Colorado</td>
- </tr>
- <tr align="left" valign="top" bgcolor="#c7efce">
- <td>time-c.timefreq.bldrdoc.gov</td>
- <td>132.163.4.103</td>
- <td>NIST, Boulder, Colorado</td>
- </tr>
- </table>
- """
- integer = Word(nums)
- ipAddress = Combine( integer + "." + integer + "." + integer + "." + integer )
- tdStart = Suppress("<td>")
- tdEnd = Suppress("</td>")
- timeServerPattern = (tdStart + ipAddress("ipAddr") + tdEnd
- + tdStart + CharsNotIn("<")("loc") + tdEnd)
- servers = [srvr.ipAddr for srvr,startloc,endloc in timeServerPattern.scanString( testdata )]
-
- print_(servers)
- self.assertEqual(servers,
- ['129.6.15.28', '129.6.15.29', '132.163.4.101', '132.163.4.102', '132.163.4.103'],
- "failed scanString()")
-
- # test for stringEnd detection in scanString
- foundStringEnds = [ r for r in StringEnd().scanString("xyzzy") ]
- print_(foundStringEnds)
- self.assertTrue(foundStringEnds, "Failed to find StringEnd in scanString")
-
-class QuotedStringsTest(ParseTestCase):
- def runTest(self):
- from pyparsing import sglQuotedString,dblQuotedString,quotedString,QuotedString
- testData = \
- """
- 'a valid single quoted string'
- 'an invalid single quoted string
- because it spans lines'
- "a valid double quoted string"
- "an invalid double quoted string
- because it spans lines"
- """
- print_(testData)
-
- sglStrings = [(t[0],b,e) for (t,b,e) in sglQuotedString.scanString(testData)]
- print_(sglStrings)
- self.assertTrue(len(sglStrings) == 1 and (sglStrings[0][1] == 17 and sglStrings[0][2] == 47),
- "single quoted string failure")
-
- dblStrings = [(t[0],b,e) for (t,b,e) in dblQuotedString.scanString(testData)]
- print_(dblStrings)
- self.assertTrue(len(dblStrings) == 1 and (dblStrings[0][1] == 154 and dblStrings[0][2] == 184),
- "double quoted string failure")
-
- allStrings = [(t[0],b,e) for (t,b,e) in quotedString.scanString(testData)]
- print_(allStrings)
- self.assertTrue(len(allStrings) == 2
- and (allStrings[0][1] == 17
- and allStrings[0][2] == 47)
- and (allStrings[1][1] == 154
- and allStrings[1][2] == 184),
- "quoted string failure")
-
- escapedQuoteTest = \
- r"""
- 'This string has an escaped (\') quote character'
- "This string has an escaped (\") quote character"
- """
-
- sglStrings = [(t[0],b,e) for (t,b,e) in sglQuotedString.scanString(escapedQuoteTest)]
- print_(sglStrings)
- self.assertTrue(len(sglStrings) == 1 and (sglStrings[0][1]==17 and sglStrings[0][2]==66),
- "single quoted string escaped quote failure (%s)" % str(sglStrings[0]))
-
- dblStrings = [(t[0],b,e) for (t,b,e) in dblQuotedString.scanString(escapedQuoteTest)]
- print_(dblStrings)
- self.assertTrue(len(dblStrings) == 1 and (dblStrings[0][1]==83 and dblStrings[0][2]==132),
- "double quoted string escaped quote failure (%s)" % str(dblStrings[0]))
-
- allStrings = [(t[0],b,e) for (t,b,e) in quotedString.scanString(escapedQuoteTest)]
- print_(allStrings)
- self.assertTrue(len(allStrings) == 2
- and (allStrings[0][1] == 17
- and allStrings[0][2] == 66
- and allStrings[1][1] == 83
- and allStrings[1][2] == 132),
- "quoted string escaped quote failure (%s)" % ([str(s[0]) for s in allStrings]))
-
- dblQuoteTest = \
- r"""
- 'This string has an doubled ('') quote character'
- "This string has an doubled ("") quote character"
- """
- sglStrings = [(t[0],b,e) for (t,b,e) in sglQuotedString.scanString(dblQuoteTest)]
- print_(sglStrings)
- self.assertTrue(len(sglStrings) == 1 and (sglStrings[0][1]==17 and sglStrings[0][2]==66),
- "single quoted string escaped quote failure (%s)" % str(sglStrings[0]))
- dblStrings = [(t[0],b,e) for (t,b,e) in dblQuotedString.scanString(dblQuoteTest)]
- print_(dblStrings)
- self.assertTrue(len(dblStrings) == 1 and (dblStrings[0][1]==83 and dblStrings[0][2]==132),
- "double quoted string escaped quote failure (%s)" % str(dblStrings[0]))
- allStrings = [(t[0],b,e) for (t,b,e) in quotedString.scanString(dblQuoteTest)]
- print_(allStrings)
- self.assertTrue(len(allStrings) == 2
- and (allStrings[0][1] == 17
- and allStrings[0][2] == 66
- and allStrings[1][1] == 83
- and allStrings[1][2] == 132),
- "quoted string escaped quote failure (%s)" % ([str(s[0]) for s in allStrings]))
-
- print_("testing catastrophic RE backtracking in implementation of dblQuotedString")
- for expr, test_string in [
- (dblQuotedString, '"' + '\\xff' * 500),
- (sglQuotedString, "'" + '\\xff' * 500),
- (quotedString, '"' + '\\xff' * 500),
- (quotedString, "'" + '\\xff' * 500),
- (QuotedString('"'), '"' + '\\xff' * 500),
- (QuotedString("'"), "'" + '\\xff' * 500),
- ]:
- expr.parseString(test_string+test_string[0])
- try:
- expr.parseString(test_string)
- except Exception:
- continue
-
-class CaselessOneOfTest(ParseTestCase):
- def runTest(self):
- from pyparsing import oneOf,ZeroOrMore
-
- caseless1 = oneOf("d a b c aA B A C", caseless=True)
- caseless1str = str( caseless1 )
- print_(caseless1str)
- caseless2 = oneOf("d a b c Aa B A C", caseless=True)
- caseless2str = str( caseless2 )
- print_(caseless2str)
- self.assertEqual(caseless1str.upper(), caseless2str.upper(), "oneOf not handling caseless option properly")
- self.assertNotEqual(caseless1str, caseless2str, "Caseless option properly sorted")
-
- res = ZeroOrMore(caseless1).parseString("AAaaAaaA")
- print_(res)
- self.assertEqual(len(res), 4, "caseless1 oneOf failed")
- self.assertEqual("".join(res), "aA"*4,"caseless1 CaselessLiteral return failed")
-
- res = ZeroOrMore(caseless2).parseString("AAaaAaaA")
- print_(res)
- self.assertEqual(len(res), 4, "caseless2 oneOf failed")
- self.assertEqual("".join(res), "Aa"*4,"caseless1 CaselessLiteral return failed")
-
-
-class AsXMLTest(ParseTestCase):
- def runTest(self):
-
- # test asXML()
-
- aaa = pp.Word("a")("A")
- bbb = pp.Group(pp.Word("b"))("B")
- ccc = pp.Combine(":" + pp.Word("c"))("C")
- g1 = "XXX>&<" + pp.ZeroOrMore( aaa | bbb | ccc )
- teststring = "XXX>&< b b a b b a b :c b a"
- #~ print teststring
- print_("test including all items")
- xml = g1.parseString(teststring).asXML("TEST",namedItemsOnly=False)
- assert xml=="\n".join(["",
- "<TEST>",
- " <ITEM>XXX>&<</ITEM>",
- " <B>",
- " <ITEM>b</ITEM>",
- " </B>",
- " <B>",
- " <ITEM>b</ITEM>",
- " </B>",
- " <A>a</A>",
- " <B>",
- " <ITEM>b</ITEM>",
- " </B>",
- " <B>",
- " <ITEM>b</ITEM>",
- " </B>",
- " <A>a</A>",
- " <B>",
- " <ITEM>b</ITEM>",
- " </B>",
- " <C>:c</C>",
- " <B>",
- " <ITEM>b</ITEM>",
- " </B>",
- " <A>a</A>",
- "</TEST>",
- ] ), \
- "failed to generate XML correctly showing all items: \n[" + xml + "]"
- print_("test filtering unnamed items")
- xml = g1.parseString(teststring).asXML("TEST",namedItemsOnly=True)
- assert xml=="\n".join(["",
- "<TEST>",
- " <B>",
- " <ITEM>b</ITEM>",
- " </B>",
- " <B>",
- " <ITEM>b</ITEM>",
- " </B>",
- " <A>a</A>",
- " <B>",
- " <ITEM>b</ITEM>",
- " </B>",
- " <B>",
- " <ITEM>b</ITEM>",
- " </B>",
- " <A>a</A>",
- " <B>",
- " <ITEM>b</ITEM>",
- " </B>",
- " <C>:c</C>",
- " <B>",
- " <ITEM>b</ITEM>",
- " </B>",
- " <A>a</A>",
- "</TEST>",
- ] ), \
- "failed to generate XML correctly, filtering unnamed items: " + xml
-
-class AsXMLTest2(ParseTestCase):
- def runTest(self):
- from pyparsing import Suppress,Optional,CharsNotIn,Combine,ZeroOrMore,Word,\
- Group,Literal,alphas,alphanums,delimitedList,OneOrMore
-
- EndOfLine = Word("\n").setParseAction(lambda s,l,t: [' '])
- whiteSpace=Word('\t ')
- Mexpr = Suppress(Optional(whiteSpace)) + CharsNotIn('\\"\t \n') + Optional(" ") + \
- Suppress(Optional(whiteSpace))
- reducedString = Combine(Mexpr + ZeroOrMore(EndOfLine + Mexpr))
- _bslash = "\\"
- _escapables = "tnrfbacdeghijklmopqsuvwxyz" + _bslash + "'" + '"'
- _octDigits = "01234567"
- _escapedChar = ( Word( _bslash, _escapables, exact=2 ) |
- Word( _bslash, _octDigits, min=2, max=4 ) )
- _sglQuote = Literal("'")
- _dblQuote = Literal('"')
- QuotedReducedString = Combine( Suppress(_dblQuote) + ZeroOrMore( reducedString |
- _escapedChar ) + \
- Suppress(_dblQuote )).streamline()
-
- Manifest_string = QuotedReducedString('manifest_string')
-
- Identifier = Word( alphas, alphanums+ '_$' )("identifier")
- Index_string = CharsNotIn('\\";\n')
- Index_string.setName('index_string')
- Index_term_list = (
- Group(delimitedList(Manifest_string, delim=',')) | \
- Index_string
- )('value')
-
- IndexKey = Identifier('key')
- IndexKey.setName('key')
- Index_clause = Group(IndexKey + Suppress(':') + Optional(Index_term_list))
- Index_clause.setName('index_clause')
- Index_list = Index_clause('index')
- Index_list.setName('index_list')
- Index_block = Group('indexing' + Group(OneOrMore(Index_list + Suppress(';'))))('indexes')
-
-
-class CommentParserTest(ParseTestCase):
- def runTest(self):
-
- print_("verify processing of C and HTML comments")
- testdata = """
- /* */
- /** **/
- /**/
- /***/
- /****/
- /* /*/
- /** /*/
- /*** /*/
- /*
- ablsjdflj
- */
- """
- foundLines = [ pp.lineno(s,testdata)
- for t,s,e in pp.cStyleComment.scanString(testdata) ]
- self.assertEqual(foundLines, list(range(11))[2:],"only found C comments on lines "+str(foundLines))
- testdata = """
- <!-- -->
- <!--- --->
- <!---->
- <!----->
- <!------>
- <!-- /-->
- <!--- /-->
- <!---- /-->
- <!---- /- ->
- <!---- / -- >
- <!--
- ablsjdflj
- -->
- """
- foundLines = [ pp.lineno(s,testdata)
- for t,s,e in pp.htmlComment.scanString(testdata) ]
- self.assertEqual(foundLines, list(range(11))[2:],"only found HTML comments on lines "+str(foundLines))
-
- # test C++ single line comments that have line terminated with '\' (should continue comment to following line)
- testSource = r"""
- // comment1
- // comment2 \
- still comment 2
- // comment 3
- """
- self.assertEqual(len(pp.cppStyleComment.searchString(testSource)[1][0]), 41,
- r"failed to match single-line comment with '\' at EOL")
-
-class ParseExpressionResultsTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word,alphas,OneOrMore,Optional,Group
-
- a = Word("a",alphas).setName("A")
- b = Word("b",alphas).setName("B")
- c = Word("c",alphas).setName("C")
- ab = (a + b).setName("AB")
- abc = (ab + c).setName("ABC")
- word = Word(alphas).setName("word")
-
- #~ words = OneOrMore(word).setName("words")
- words = Group(OneOrMore(~a + word)).setName("words")
-
- #~ phrase = words.setResultsName("Head") + \
- #~ ( abc ^ ab ^ a ).setResultsName("ABC") + \
- #~ words.setResultsName("Tail")
- #~ phrase = words.setResultsName("Head") + \
- #~ ( abc | ab | a ).setResultsName("ABC") + \
- #~ words.setResultsName("Tail")
- phrase = words("Head") + \
- Group( a + Optional(b + Optional(c)) )("ABC") + \
- words("Tail")
-
- results = phrase.parseString("xavier yeti alpha beta charlie will beaver")
- print_(results,results.Head, results.ABC,results.Tail)
- for key,ln in [("Head",2), ("ABC",3), ("Tail",2)]:
- self.assertEqual(len(results[key]), ln,
- "expected %d elements in %s, found %s" % (ln, key, str(results[key])))
-
-
-class ParseKeywordTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Literal,Keyword
-
- kw = Keyword("if")
- lit = Literal("if")
-
- def test(s,litShouldPass,kwShouldPass):
- print_("Test",s)
- print_("Match Literal", end=' ')
- try:
- print_(lit.parseString(s))
- except Exception:
- print_("failed")
- if litShouldPass:
- self.assertTrue(False, "Literal failed to match %s, should have" % s)
- else:
- if not litShouldPass:
- self.assertTrue(False, "Literal matched %s, should not have" % s)
-
- print_("Match Keyword", end=' ')
- try:
- print_(kw.parseString(s))
- except Exception:
- print_("failed")
- if kwShouldPass:
- self.assertTrue(False, "Keyword failed to match %s, should have" % s)
- else:
- if not kwShouldPass:
- self.assertTrue(False, "Keyword matched %s, should not have" % s)
-
- test("ifOnlyIfOnly", True, False)
- test("if(OnlyIfOnly)", True, True)
- test("if (OnlyIf Only)", True, True)
-
- kw = Keyword("if",caseless=True)
-
- test("IFOnlyIfOnly", False, False)
- test("If(OnlyIfOnly)", False, True)
- test("iF (OnlyIf Only)", False, True)
-
-
-
-class ParseExpressionResultsAccumulateTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word,delimitedList,Combine,alphas,nums
-
- num=Word(nums).setName("num")("base10*")
- hexnum=Combine("0x"+ Word(nums)).setName("hexnum")("hex*")
- name = Word(alphas).setName("word")("word*")
- list_of_num=delimitedList( hexnum | num | name, "," )
-
- tokens = list_of_num.parseString('1, 0x2, 3, 0x4, aaa')
- for k,llen,lst in ( ("base10",2,['1','3']),
- ("hex",2,['0x2','0x4']),
- ("word",1,['aaa']) ):
- print_(k,tokens[k])
- self.assertEqual(len(tokens[k]), llen, "Wrong length for key %s, %s" % (k,str(tokens[k].asList())))
- self.assertEqual(lst, tokens[k].asList(),
- "Incorrect list returned for key %s, %s" % (k,str(tokens[k].asList())))
- self.assertEqual(tokens.base10.asList(), ['1','3'],
- "Incorrect list for attribute base10, %s" % str(tokens.base10.asList()))
- self.assertEqual(tokens.hex.asList(), ['0x2','0x4'],
- "Incorrect list for attribute hex, %s" % str(tokens.hex.asList()))
- self.assertEqual(tokens.word.asList(), ['aaa'],
- "Incorrect list for attribute word, %s" % str(tokens.word.asList()))
-
- from pyparsing import Literal, Word, nums, Group, Dict, alphas, \
- quotedString, oneOf, delimitedList, removeQuotes, alphanums
-
- lbrack = Literal("(").suppress()
- rbrack = Literal(")").suppress()
- integer = Word( nums ).setName("int")
- variable = Word( alphas, max=1 ).setName("variable")
- relation_body_item = variable | integer | quotedString.copy().setParseAction(removeQuotes)
- relation_name = Word( alphas+"_", alphanums+"_" )
- relation_body = lbrack + Group(delimitedList(relation_body_item)) + rbrack
- Goal = Dict(Group( relation_name + relation_body ))
- Comparison_Predicate = Group(variable + oneOf("< >") + integer)("pred*")
- Query = Goal("head") + ":-" + delimitedList(Goal | Comparison_Predicate)
-
- test="""Q(x,y,z):-Bloo(x,"Mitsis",y),Foo(y,z,1243),y>28,x<12,x>3"""
-
- queryRes = Query.parseString(test)
- print_("pred",queryRes.pred)
- self.assertEqual(queryRes.pred.asList(), [['y', '>', '28'], ['x', '<', '12'], ['x', '>', '3']],
- "Incorrect list for attribute pred, %s" % str(queryRes.pred.asList()))
- print_(queryRes.dump())
-
-class ReStringRangeTest(ParseTestCase):
- def runTest(self):
- testCases = (
- (r"[A-Z]"),
- (r"[A-A]"),
- (r"[A-Za-z]"),
- (r"[A-z]"),
- (r"[\ -\~]"),
- (r"[\0x20-0]"),
- (r"[\0x21-\0x7E]"),
- (r"[\0xa1-\0xfe]"),
- (r"[\040-0]"),
- (r"[A-Za-z0-9]"),
- (r"[A-Za-z0-9_]"),
- (r"[A-Za-z0-9_$]"),
- (r"[A-Za-z0-9_$\-]"),
- (r"[^0-9\\]"),
- (r"[a-zA-Z]"),
- (r"[/\^~]"),
- (r"[=\+\-!]"),
- (r"[A-]"),
- (r"[-A]"),
- (r"[\x21]"),
- #(r"[а-яА-ЯёЁA-Z$_\041α-ω]".decode('utf-8')),
- (u'[\u0430-\u044f\u0410-\u042f\u0451\u0401ABCDEFGHIJKLMNOPQRSTUVWXYZ$_\041\u03b1-\u03c9]'),
- )
- expectedResults = (
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
- "A",
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz",
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz",
- " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~",
- " !\"#$%&'()*+,-./0",
- "!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~",
- #~ "¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþ",
- u'\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe',
- " !\"#$%&'()*+,-./0",
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_",
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_$",
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_$-",
- "0123456789\\",
- "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ",
- "/^~",
- "=+-!",
- "A-",
- "-A",
- "!",
- u"абвгдежзийклмнопрстуфхцчшщъыьэюяАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯёЁABCDEFGHIJKLMNOPQRSTUVWXYZ$_!αβγδεζηθικλμνξοπρςστυφχψω",
- )
- for test in zip( testCases, expectedResults ):
- t,exp = test
- res = pp.srange(t)
- #print_(t,"->",res)
- self.assertEqual(res, exp, "srange error, srange(%r)->'%r', expected '%r'" % (t, res, exp))
-
-class SkipToParserTests(ParseTestCase):
- def runTest(self):
-
- from pyparsing import Literal, SkipTo, cStyleComment, ParseBaseException
-
- thingToFind = Literal('working')
- testExpr = SkipTo(Literal(';'), include=True, ignore=cStyleComment) + thingToFind
-
- def tryToParse (someText, fail_expected=False):
- try:
- print_(testExpr.parseString(someText))
- self.assertFalse(fail_expected, "expected failure but no exception raised")
- except Exception as e:
- print_("Exception %s while parsing string %s" % (e,repr(someText)))
- self.assertTrue(fail_expected and isinstance(e,ParseBaseException),
- "Exception %s while parsing string %s" % (e,repr(someText)))
-
- # This first test works, as the SkipTo expression is immediately following the ignore expression (cStyleComment)
- tryToParse('some text /* comment with ; in */; working')
- # This second test previously failed, as there is text following the ignore expression, and before the SkipTo expression.
- tryToParse('some text /* comment with ; in */some other stuff; working')
-
- # tests for optional failOn argument
- testExpr = SkipTo(Literal(';'), include=True, ignore=cStyleComment, failOn='other') + thingToFind
- tryToParse('some text /* comment with ; in */; working')
- tryToParse('some text /* comment with ; in */some other stuff; working', fail_expected=True)
-
- # test that we correctly create named results
- text = "prefixDATAsuffix"
- data = Literal("DATA")
- suffix = Literal("suffix")
- expr = SkipTo(data + suffix)('prefix') + data + suffix
- result = expr.parseString(text)
- self.assertTrue(isinstance(result.prefix, str), "SkipTo created with wrong saveAsList attribute")
-
-class CustomQuotesTest(ParseTestCase):
- def runTest(self):
- from pyparsing import QuotedString
-
- testString = r"""
- sdlfjs :sdf\:jls::djf: sl:kfsjf
- sdlfjs -sdf\:jls::--djf: sl-kfsjf
- sdlfjs -sdf\:::jls::--djf: sl:::-kfsjf
- sdlfjs ^sdf\:jls^^--djf^ sl-kfsjf
- sdlfjs ^^^==sdf\:j=lz::--djf: sl=^^=kfsjf
- sdlfjs ==sdf\:j=ls::--djf: sl==kfsjf^^^
- """
- colonQuotes = QuotedString(':','\\','::')
- dashQuotes = QuotedString('-','\\', '--')
- hatQuotes = QuotedString('^','\\')
- hatQuotes1 = QuotedString('^','\\','^^')
- dblEqQuotes = QuotedString('==','\\')
-
- def test(quoteExpr, expected):
- print_(quoteExpr.pattern)
- print_(quoteExpr.searchString(testString))
- print_(quoteExpr.searchString(testString)[0][0])
- print_(expected)
- self.assertEqual(quoteExpr.searchString(testString)[0][0],
- expected,
- "failed to match %s, expected '%s', got '%s'" % (quoteExpr, expected,
- quoteExpr.searchString(testString)[0]))
- print_()
-
- test(colonQuotes, r"sdf:jls:djf")
- test(dashQuotes, r"sdf:jls::-djf: sl")
- test(hatQuotes, r"sdf:jls")
- test(hatQuotes1, r"sdf:jls^--djf")
- test(dblEqQuotes, r"sdf:j=ls::--djf: sl")
- test(QuotedString(':::'), 'jls::--djf: sl')
- test(QuotedString('==',endQuoteChar='--'), r'sdf\:j=lz::')
- test(QuotedString('^^^',multiline=True), r"""==sdf\:j=lz::--djf: sl=^^=kfsjf
- sdlfjs ==sdf\:j=ls::--djf: sl==kfsjf""")
- try:
- bad1 = QuotedString('','\\')
- except SyntaxError as se:
- pass
- else:
- self.assertTrue(False,"failed to raise SyntaxError with empty quote string")
-
-class RepeaterTest(ParseTestCase):
- def runTest(self):
- from pyparsing import matchPreviousLiteral,matchPreviousExpr, Word, nums, ParserElement
-
- if ParserElement._packratEnabled:
- print_("skipping this test, not compatible with packratting")
- return
-
- first = Word("abcdef").setName("word1")
- bridge = Word(nums).setName("number")
- second = matchPreviousLiteral(first).setName("repeat(word1Literal)")
-
- seq = first + bridge + second
-
- tests = [
- ( "abc12abc", True ),
- ( "abc12aabc", False ),
- ( "abc12cba", True ),
- ( "abc12bca", True ),
- ]
-
- for tst,result in tests:
- found = False
- for tokens,start,end in seq.scanString(tst):
- f,b,s = tokens
- print_(f,b,s)
- found = True
- if not found:
- print_("No literal match in", tst)
- self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq)))
- print_()
-
- # retest using matchPreviousExpr instead of matchPreviousLiteral
- second = matchPreviousExpr(first).setName("repeat(word1expr)")
- seq = first + bridge + second
-
- tests = [
- ( "abc12abc", True ),
- ( "abc12cba", False ),
- ( "abc12abcdef", False ),
- ]
-
- for tst,result in tests:
- found = False
- for tokens,start,end in seq.scanString(tst):
- print_(tokens.asList())
- found = True
- if not found:
- print_("No expression match in", tst)
- self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq)))
-
- print_()
-
- first = Word("abcdef").setName("word1")
- bridge = Word(nums).setName("number")
- second = matchPreviousExpr(first).setName("repeat(word1)")
- seq = first + bridge + second
- csFirst = seq.setName("word-num-word")
- csSecond = matchPreviousExpr(csFirst)
- compoundSeq = csFirst + ":" + csSecond
- compoundSeq.streamline()
- print_(compoundSeq)
-
- tests = [
- ( "abc12abc:abc12abc", True ),
- ( "abc12cba:abc12abc", False ),
- ( "abc12abc:abc12abcdef", False ),
- ]
-
- #~ for tst,result in tests:
- #~ print tst,
- #~ try:
- #~ compoundSeq.parseString(tst)
- #~ print "MATCH"
- #~ assert result, "matched when shouldn't have matched"
- #~ except ParseException:
- #~ print "NO MATCH"
- #~ assert not result, "didnt match but should have"
-
- #~ for tst,result in tests:
- #~ print tst,
- #~ if compoundSeq == tst:
- #~ print "MATCH"
- #~ assert result, "matched when shouldn't have matched"
- #~ else:
- #~ print "NO MATCH"
- #~ assert not result, "didnt match but should have"
-
- for tst,result in tests:
- found = False
- for tokens,start,end in compoundSeq.scanString(tst):
- print_("match:", tokens.asList())
- found = True
- break
- if not found:
- print_("No expression match in", tst)
- self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq)))
-
- print_()
- eFirst = Word(nums)
- eSecond = matchPreviousExpr(eFirst)
- eSeq = eFirst + ":" + eSecond
-
- tests = [
- ( "1:1A", True ),
- ( "1:10", False ),
- ]
-
- for tst,result in tests:
- found = False
- for tokens,start,end in eSeq.scanString(tst):
- #~ f,b,s = tokens
- #~ print f,b,s
- print_(tokens.asList())
- found = True
- if not found:
- print_("No match in", tst)
- self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq)))
-
-class RecursiveCombineTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Forward,Word,alphas,nums,Optional,Combine
-
- testInput = "myc(114)r(11)dd"
- Stream=Forward()
- Stream << Optional(Word(alphas))+Optional("("+Word(nums)+")"+Stream)
- expected = Stream.parseString(testInput).asList()
- print_(["".join(expected)])
-
- Stream=Forward()
- Stream << Combine(Optional(Word(alphas))+Optional("("+Word(nums)+")"+Stream))
- testVal = Stream.parseString(testInput).asList()
- print_(testVal)
-
- self.assertEqual("".join(testVal), "".join(expected), "Failed to process Combine with recursive content")
-
-class InfixNotationGrammarTest1(ParseTestCase):
- def runTest(self):
- from pyparsing import Word,nums,alphas,Literal,oneOf,infixNotation,opAssoc
- import ast
-
- integer = Word(nums).setParseAction(lambda t:int(t[0]))
- variable = Word(alphas,exact=1)
- operand = integer | variable
-
- expop = Literal('^')
- signop = oneOf('+ -')
- multop = oneOf('* /')
- plusop = oneOf('+ -')
- factop = Literal('!')
-
- expr = infixNotation( operand,
- [("!", 1, opAssoc.LEFT),
- ("^", 2, opAssoc.RIGHT),
- (signop, 1, opAssoc.RIGHT),
- (multop, 2, opAssoc.LEFT),
- (plusop, 2, opAssoc.LEFT),]
- )
-
- test = ["9 + 2 + 3",
- "9 + 2 * 3",
- "(9 + 2) * 3",
- "(9 + -2) * 3",
- "(9 + --2) * 3",
- "(9 + -2) * 3^2^2",
- "(9! + -2) * 3^2^2",
- "M*X + B",
- "M*(X + B)",
- "1+2*-3^4*5+-+-6",
- "3!!"]
- expected = """[[9, '+', 2, '+', 3]]
- [[9, '+', [2, '*', 3]]]
- [[[9, '+', 2], '*', 3]]
- [[[9, '+', ['-', 2]], '*', 3]]
- [[[9, '+', ['-', ['-', 2]]], '*', 3]]
- [[[9, '+', ['-', 2]], '*', [3, '^', [2, '^', 2]]]]
- [[[[9, '!'], '+', ['-', 2]], '*', [3, '^', [2, '^', 2]]]]
- [[['M', '*', 'X'], '+', 'B']]
- [['M', '*', ['X', '+', 'B']]]
- [[1, '+', [2, '*', ['-', [3, '^', 4]], '*', 5], '+', ['-', ['+', ['-', 6]]]]]
- [[3, '!', '!']]""".split('\n')
- expected = [ast.literal_eval(x.strip()) for x in expected]
- for t,e in zip(test,expected):
- print_(t,"->",e, "got", expr.parseString(t).asList())
- self.assertEqual(expr.parseString(t).asList(), e,
- "mismatched results for infixNotation: got %s, expected %s" % (expr.parseString(t).asList(),e))
-
-class InfixNotationGrammarTest2(ParseTestCase):
- def runTest(self):
-
- from pyparsing import infixNotation, Word, alphas, oneOf, opAssoc
-
- boolVars = { "True":True, "False":False }
- class BoolOperand(object):
- reprsymbol = ''
- def __init__(self,t):
- self.args = t[0][0::2]
- def __str__(self):
- sep = " %s " % self.reprsymbol
- return "(" + sep.join(map(str,self.args)) + ")"
-
- class BoolAnd(BoolOperand):
- reprsymbol = '&'
- def __bool__(self):
- for a in self.args:
- if isinstance(a,str):
- v = boolVars[a]
- else:
- v = bool(a)
- if not v:
- return False
- return True
-
- class BoolOr(BoolOperand):
- reprsymbol = '|'
- def __bool__(self):
- for a in self.args:
- if isinstance(a,str):
- v = boolVars[a]
- else:
- v = bool(a)
- if v:
- return True
- return False
-
- class BoolNot(BoolOperand):
- def __init__(self,t):
- self.arg = t[0][1]
- def __str__(self):
- return "~" + str(self.arg)
- def __bool__(self):
- if isinstance(self.arg,str):
- v = boolVars[self.arg]
- else:
- v = bool(self.arg)
- return not v
-
- boolOperand = Word(alphas,max=1) | oneOf("True False")
- boolExpr = infixNotation( boolOperand,
- [
- ("not", 1, opAssoc.RIGHT, BoolNot),
- ("and", 2, opAssoc.LEFT, BoolAnd),
- ("or", 2, opAssoc.LEFT, BoolOr),
- ])
- test = ["p and not q",
- "not not p",
- "not(p and q)",
- "q or not p and r",
- "q or not p or not r",
- "q or not (p and r)",
- "p or q or r",
- "p or q or r and False",
- "(p or q or r) and False",
- ]
-
- boolVars["p"] = True
- boolVars["q"] = False
- boolVars["r"] = True
- print_("p =", boolVars["p"])
- print_("q =", boolVars["q"])
- print_("r =", boolVars["r"])
- print_()
- for t in test:
- res = boolExpr.parseString(t)[0]
- print_(t,'\n', res, '=', bool(res),'\n')
-
-
-class InfixNotationGrammarTest3(ParseTestCase):
- def runTest(self):
-
- from pyparsing import infixNotation, Word, alphas, oneOf, opAssoc, nums, Literal
-
- global count
- count = 0
-
- def evaluate_int(t):
- global count
- value = int(t[0])
- print_("evaluate_int", value)
- count += 1
- return value
-
- integer = Word(nums).setParseAction(evaluate_int)
- variable = Word(alphas,exact=1)
- operand = integer | variable
-
- expop = Literal('^')
- signop = oneOf('+ -')
- multop = oneOf('* /')
- plusop = oneOf('+ -')
- factop = Literal('!')
-
- expr = infixNotation( operand,
- [
- ("!", 1, opAssoc.LEFT),
- ("^", 2, opAssoc.LEFT),
- (signop, 1, opAssoc.RIGHT),
- (multop, 2, opAssoc.LEFT),
- (plusop, 2, opAssoc.LEFT),
- ])
-
- test = ["9"]
- for t in test:
- count = 0
- print_("%r => %s (count=%d)" % (t, expr.parseString(t), count))
- self.assertEqual(count, 1, "count evaluated too many times!")
-
-class InfixNotationGrammarTest4(ParseTestCase):
- def runTest(self):
-
- word = pp.Word(pp.alphas)
-
- def supLiteral(s):
- """Returns the suppressed literal s"""
- return pp.Literal(s).suppress()
-
- def booleanExpr(atom):
- ops = [
- (supLiteral("!"), 1, pp.opAssoc.RIGHT, lambda s, l, t: ["!", t[0][0]]),
- (pp.oneOf("= !="), 2, pp.opAssoc.LEFT, ),
- (supLiteral("&"), 2, pp.opAssoc.LEFT, lambda s, l, t: ["&", t[0]]),
- (supLiteral("|"), 2, pp.opAssoc.LEFT, lambda s, l, t: ["|", t[0]])]
- return pp.infixNotation(atom, ops)
-
- f = booleanExpr(word) + pp.StringEnd()
-
- tests = [
- ("bar = foo", "[['bar', '=', 'foo']]"),
- ("bar = foo & baz = fee", "['&', [['bar', '=', 'foo'], ['baz', '=', 'fee']]]"),
- ]
- for test,expected in tests:
- print_(test)
- results = f.parseString(test)
- print_(results)
- self.assertEqual(str(results), expected, "failed to match expected results, got '%s'" % str(results))
- print_()
-
-class InfixNotationGrammarTest5(ParseTestCase):
-
- def runTest(self):
- from pyparsing import infixNotation, opAssoc, pyparsing_common, Literal, oneOf
-
- expop = Literal('**')
- signop = oneOf('+ -')
- multop = oneOf('* /')
- plusop = oneOf('+ -')
-
- class ExprNode(object):
- def __init__(self, tokens):
- self.tokens = tokens[0]
-
- def eval(self):
- return None
-
- class NumberNode(ExprNode):
- def eval(self):
- return self.tokens
-
- class SignOp(ExprNode):
- def eval(self):
- mult = {'+': 1, '-': -1}[self.tokens[0]]
- return mult * self.tokens[1].eval()
-
- class BinOp(ExprNode):
- def eval(self):
- ret = self.tokens[0].eval()
- for op, operand in zip(self.tokens[1::2], self.tokens[2::2]):
- ret = self.opn_map[op](ret, operand.eval())
- return ret
-
- class ExpOp(BinOp):
- opn_map = {'**': lambda a, b: b ** a}
-
- class MultOp(BinOp):
- import operator
- opn_map = {'*': operator.mul, '/': operator.truediv}
-
- class AddOp(BinOp):
- import operator
- opn_map = {'+': operator.add, '-': operator.sub}
-
- from pyparsing import pyparsing_common, infixNotation
-
- operand = pyparsing_common.number().setParseAction(NumberNode)
- expr = infixNotation(operand,
- [
- (expop, 2, opAssoc.LEFT, (lambda pr: [pr[0][::-1]], ExpOp)),
- (signop, 1, opAssoc.RIGHT, SignOp),
- (multop, 2, opAssoc.LEFT, MultOp),
- (plusop, 2, opAssoc.LEFT, AddOp),
- ])
-
- tests = """\
- 2+7
- 2**3
- 2**3**2
- 3**9
- 3**3**2
- """
-
- for t in tests.splitlines():
- t = t.strip()
- if not t:
- continue
-
- parsed = expr.parseString(t)
- eval_value = parsed[0].eval()
- self.assertEqual(eval_value, eval(t),
- "Error evaluating %r, expected %r, got %r" % (t, eval(t), eval_value))
-
-
-class PickleTest_Greeting():
- def __init__(self, toks):
- self.salutation = toks[0]
- self.greetee = toks[1]
-
- def __repr__(self):
- return "%s: {%s}" % (self.__class__.__name__,
- ', '.join('%r: %r' % (k, getattr(self,k)) for k in sorted(self.__dict__)))
-
-class ParseResultsPickleTest(ParseTestCase):
- def runTest(self):
- from pyparsing import makeHTMLTags, ParseResults
- import pickle
-
- # test 1
- body = makeHTMLTags("BODY")[0]
- result = body.parseString("<BODY BGCOLOR='#00FFBB' FGCOLOR=black>")
- if VERBOSE:
- print_(result.dump())
- print_()
-
- for protocol in range(pickle.HIGHEST_PROTOCOL+1):
- print_("Test pickle dump protocol", protocol)
- try:
- pickleString = pickle.dumps(result, protocol)
- except Exception as e:
- print_("dumps exception:", e)
- newresult = ParseResults()
- else:
- newresult = pickle.loads(pickleString)
- if VERBOSE:
- print_(newresult.dump())
- print_()
-
- self.assertEqual(result.dump(), newresult.dump(),
- "Error pickling ParseResults object (protocol=%d)" % protocol)
-
- # test 2
- import pyparsing as pp
-
- word = pp.Word(pp.alphas+"'.")
- salutation = pp.OneOrMore(word)
- comma = pp.Literal(",")
- greetee = pp.OneOrMore(word)
- endpunc = pp.oneOf("! ?")
- greeting = salutation + pp.Suppress(comma) + greetee + pp.Suppress(endpunc)
- greeting.setParseAction(PickleTest_Greeting)
-
- string = 'Good morning, Miss Crabtree!'
-
- result = greeting.parseString(string)
-
- for protocol in range(pickle.HIGHEST_PROTOCOL+1):
- print_("Test pickle dump protocol", protocol)
- try:
- pickleString = pickle.dumps(result, protocol)
- except Exception as e:
- print_("dumps exception:", e)
- newresult = ParseResults()
- else:
- newresult = pickle.loads(pickleString)
- print_(newresult.dump())
- self.assertEqual(newresult.dump(), result.dump(),
- "failed to pickle/unpickle ParseResults: expected %r, got %r" % (result, newresult))
-
-class ParseResultsWithNamedTupleTest(ParseTestCase):
- def runTest(self):
-
- from pyparsing import Literal,replaceWith
-
- expr = Literal("A")("Achar")
- expr.setParseAction(replaceWith(tuple(["A","Z"])))
-
- res = expr.parseString("A")
- print_(repr(res))
- print_(res.Achar)
- self.assertEqual(res.Achar, ("A","Z"),
- "Failed accessing named results containing a tuple, got {!r}".format(res.Achar))
-
-
-class ParseHTMLTagsTest(ParseTestCase):
- def runTest(self):
- test = """
- <BODY>
- <BODY BGCOLOR="#00FFCC">
- <BODY BGCOLOR="#00FFAA"/>
- <BODY BGCOLOR='#00FFBB' FGCOLOR=black>
- <BODY/>
- </BODY>
- """
- results = [
- ("startBody", False, "", ""),
- ("startBody", False, "#00FFCC", ""),
- ("startBody", True, "#00FFAA", ""),
- ("startBody", False, "#00FFBB", "black"),
- ("startBody", True, "", ""),
- ("endBody", False, "", ""),
- ]
-
- bodyStart, bodyEnd = pp.makeHTMLTags("BODY")
- resIter = iter(results)
- for t,s,e in (bodyStart | bodyEnd).scanString( test ):
- print_(test[s:e], "->", t.asList())
- (expectedType, expectedEmpty, expectedBG, expectedFG) = next(resIter)
-
- tType = t.getName()
- #~ print tType,"==",expectedType,"?"
- self.assertTrue(tType in "startBody endBody".split(), "parsed token of unknown type '%s'" % tType)
- self.assertEqual(tType, expectedType, "expected token of type %s, got %s" % (expectedType, tType))
- if tType == "startBody":
- self.assertEqual(bool(t.empty), expectedEmpty,
- "expected %s token, got %s" % (expectedEmpty and "empty" or "not empty",
- t.empty and "empty" or "not empty"))
- self.assertEqual(t.bgcolor, expectedBG,
- "failed to match BGCOLOR, expected %s, got %s" % (expectedBG, t.bgcolor))
- self.assertEqual(t.fgcolor, expectedFG,
- "failed to match FGCOLOR, expected %s, got %s" % (expectedFG, t.bgcolor))
- elif tType == "endBody":
- #~ print "end tag"
- pass
- else:
- print_("BAD!!!")
-
-class UpcaseDowncaseUnicode(ParseTestCase):
- def runTest(self):
-
- import pyparsing as pp
- import sys
- if PY_3:
- unichr = chr
- else:
- from __builtin__ import unichr
-
- a = u'\u00bfC\u00f3mo esta usted?'
- if not JYTHON_ENV:
- ualphas = pp.pyparsing_unicode.alphas
- else:
- ualphas = "".join( unichr(i) for i in list(range(0xd800)) + list(range(0xe000,sys.maxunicode))
- if unichr(i).isalpha() )
- uword = pp.Word(ualphas).setParseAction(pp.upcaseTokens)
-
- print_ = lambda *args: None
- print_(uword.searchString(a))
-
- uword = pp.Word(ualphas).setParseAction(pp.downcaseTokens)
-
- print_(uword.searchString(a))
-
- kw = pp.Keyword('mykey', caseless=True).setParseAction(pp.upcaseTokens)('rname')
- ret = kw.parseString('mykey')
- print_(ret.rname)
- self.assertEqual(ret.rname, 'MYKEY', "failed to upcase with named result")
-
- kw = pp.Keyword('mykey', caseless=True).setParseAction(pp.pyparsing_common.upcaseTokens)('rname')
- ret = kw.parseString('mykey')
- print_(ret.rname)
- self.assertEqual(ret.rname, 'MYKEY', "failed to upcase with named result (pyparsing_common)")
-
- kw = pp.Keyword('MYKEY', caseless=True).setParseAction(pp.pyparsing_common.downcaseTokens)('rname')
- ret = kw.parseString('mykey')
- print_(ret.rname)
- self.assertEqual(ret.rname, 'mykey', "failed to upcase with named result")
-
- if not IRON_PYTHON_ENV:
- #test html data
- html = u"<TR class=maintxt bgColor=#ffffff> \
- <TD vAlign=top>Производитель, модель</TD> \
- <TD vAlign=top><STRONG>BenQ-Siemens CF61</STRONG></TD> \
- "#.decode('utf-8')
-
- # u'Manufacturer, model
- text_manuf = u'Производитель, модель'
- manufacturer = pp.Literal(text_manuf)
-
- td_start, td_end = pp.makeHTMLTags("td")
- manuf_body = td_start.suppress() + manufacturer + pp.SkipTo(td_end)("cells*") + td_end.suppress()
-
- #~ manuf_body.setDebug()
-
- #~ for tokens in manuf_body.scanString(html):
- #~ print_(tokens)
-
-class ParseUsingRegex(ParseTestCase):
- def runTest(self):
-
- import re
-
- signedInt = pp.Regex(r'[-+][0-9]+')
- unsignedInt = pp.Regex(r'[0-9]+')
- simpleString = pp.Regex(r'("[^\"]*")|(\'[^\']*\')')
- namedGrouping = pp.Regex(r'("(?P<content>[^\"]*)")')
- compiledRE = pp.Regex(re.compile(r'[A-Z]+'))
-
- def testMatch (expression, instring, shouldPass, expectedString=None):
- if shouldPass:
- try:
- result = expression.parseString(instring)
- print_('%s correctly matched %s' % (repr(expression), repr(instring)))
- if expectedString != result[0]:
- print_('\tbut failed to match the pattern as expected:')
- print_('\tproduced %s instead of %s' % \
- (repr(result[0]), repr(expectedString)))
- return True
- except pp.ParseException:
- print_('%s incorrectly failed to match %s' % \
- (repr(expression), repr(instring)))
- else:
- try:
- result = expression.parseString(instring)
- print_('%s incorrectly matched %s' % (repr(expression), repr(instring)))
- print_('\tproduced %s as a result' % repr(result[0]))
- except pp.ParseException:
- print_('%s correctly failed to match %s' % \
- (repr(expression), repr(instring)))
- return True
- return False
-
- # These should fail
- self.assertTrue(testMatch(signedInt, '1234 foo', False), "Re: (1) passed, expected fail")
- self.assertTrue(testMatch(signedInt, ' +foo', False), "Re: (2) passed, expected fail")
- self.assertTrue(testMatch(unsignedInt, 'abc', False), "Re: (3) passed, expected fail")
- self.assertTrue(testMatch(unsignedInt, '+123 foo', False), "Re: (4) passed, expected fail")
- self.assertTrue(testMatch(simpleString, 'foo', False), "Re: (5) passed, expected fail")
- self.assertTrue(testMatch(simpleString, '"foo bar\'', False), "Re: (6) passed, expected fail")
- self.assertTrue(testMatch(simpleString, '\'foo bar"', False), "Re: (7) passed, expected fail")
-
- # These should pass
- self.assertTrue(testMatch(signedInt, ' +123', True, '+123'), "Re: (8) failed, expected pass")
- self.assertTrue(testMatch(signedInt, '+123', True, '+123'), "Re: (9) failed, expected pass")
- self.assertTrue(testMatch(signedInt, '+123 foo', True, '+123'), "Re: (10) failed, expected pass")
- self.assertTrue(testMatch(signedInt, '-0 foo', True, '-0'), "Re: (11) failed, expected pass")
- self.assertTrue(testMatch(unsignedInt, '123 foo', True, '123'), "Re: (12) failed, expected pass")
- self.assertTrue(testMatch(unsignedInt, '0 foo', True, '0'), "Re: (13) failed, expected pass")
- self.assertTrue(testMatch(simpleString, '"foo"', True, '"foo"'), "Re: (14) failed, expected pass")
- self.assertTrue(testMatch(simpleString, "'foo bar' baz", True, "'foo bar'"), "Re: (15) failed, expected pass")
-
- self.assertTrue(testMatch(compiledRE, 'blah', False), "Re: (16) passed, expected fail")
- self.assertTrue(testMatch(compiledRE, 'BLAH', True, 'BLAH'), "Re: (17) failed, expected pass")
-
- self.assertTrue(testMatch(namedGrouping, '"foo bar" baz', True, '"foo bar"'), "Re: (16) failed, expected pass")
- ret = namedGrouping.parseString('"zork" blah')
- print_(ret.asList())
- print_(list(ret.items()))
- print_(ret.content)
- self.assertEqual(ret.content, 'zork', "named group lookup failed")
- self.assertEqual(ret[0], simpleString.parseString('"zork" blah')[0],
- "Regex not properly returning ParseResults for named vs. unnamed groups")
-
- try:
- #~ print "lets try an invalid RE"
- invRe = pp.Regex('("[^\"]*")|(\'[^\']*\'')
- except Exception as e:
- print_("successfully rejected an invalid RE:", end=' ')
- print_(e)
- else:
- self.assertTrue(False, "failed to reject invalid RE")
-
- invRe = pp.Regex('')
-
-class RegexAsTypeTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- test_str = "sldkjfj 123 456 lsdfkj"
-
- print_("return as list of match groups")
- expr = pp.Regex(r"\w+ (\d+) (\d+) (\w+)", asGroupList=True)
- expected_group_list = [tuple(test_str.split()[1:])]
- result = expr.parseString(test_str)
- print_(result.dump())
- print_(expected_group_list)
- self.assertEqual(result.asList(), expected_group_list, "incorrect group list returned by Regex)")
-
- print_("return as re.match instance")
- expr = pp.Regex(r"\w+ (?P<num1>\d+) (?P<num2>\d+) (?P<last_word>\w+)", asMatch=True)
- result = expr.parseString(test_str)
- print_(result.dump())
- print_(result[0].groups())
- print_(expected_group_list)
- self.assertEqual(result[0].groupdict(), {'num1': '123', 'num2': '456', 'last_word': 'lsdfkj'},
- 'invalid group dict from Regex(asMatch=True)')
- self.assertEqual(result[0].groups(), expected_group_list[0],
- "incorrect group list returned by Regex(asMatch)")
-
-class RegexSubTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- print_("test sub with string")
- expr = pp.Regex(r"<title>").sub("'Richard III'")
- result = expr.transformString("This is the title: <title>")
- print_(result)
- self.assertEqual(result, "This is the title: 'Richard III'", "incorrect Regex.sub result with simple string")
-
- print_("test sub with re string")
- expr = pp.Regex(r"([Hh]\d):\s*(.*)").sub(r"<\1>\2</\1>")
- result = expr.transformString("h1: This is the main heading\nh2: This is the sub-heading")
- print_(result)
- self.assertEqual(result, '<h1>This is the main heading</h1>\n<h2>This is the sub-heading</h2>',
- "incorrect Regex.sub result with re string")
-
- print_("test sub with re string (Regex returns re.match)")
- expr = pp.Regex(r"([Hh]\d):\s*(.*)", asMatch=True).sub(r"<\1>\2</\1>")
- result = expr.transformString("h1: This is the main heading\nh2: This is the sub-heading")
- print_(result)
- self.assertEqual(result, '<h1>This is the main heading</h1>\n<h2>This is the sub-heading</h2>',
- "incorrect Regex.sub result with re string")
-
- print_("test sub with callable that return str")
- expr = pp.Regex(r"<(.*?)>").sub(lambda m: m.group(1).upper())
- result = expr.transformString("I want this in upcase: <what? what?>")
- print_(result)
- self.assertEqual(result, 'I want this in upcase: WHAT? WHAT?', "incorrect Regex.sub result with callable")
-
- try:
- expr = pp.Regex(r"<(.*?)>", asMatch=True).sub(lambda m: m.group(1).upper())
- except SyntaxError:
- pass
- else:
- self.assertTrue(False, "failed to warn using a Regex.sub(callable) with asMatch=True")
-
- try:
- expr = pp.Regex(r"<(.*?)>", asGroupList=True).sub(lambda m: m.group(1).upper())
- except SyntaxError:
- pass
- else:
- self.assertTrue(False, "failed to warn using a Regex.sub() with asGroupList=True")
-
- try:
- expr = pp.Regex(r"<(.*?)>", asGroupList=True).sub("")
- except SyntaxError:
- pass
- else:
- self.assertTrue(False, "failed to warn using a Regex.sub() with asGroupList=True")
-
-class PrecededByTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- num = pp.Word(pp.nums).setParseAction(lambda t: int(t[0]))
- interesting_num = pp.PrecededBy(pp.Char("abc")("prefix*")) + num
- semi_interesting_num = pp.PrecededBy('_') + num
- crazy_num = pp.PrecededBy(pp.Word("^", "$%^")("prefix*"), 10) + num
- boring_num = ~pp.PrecededBy(pp.Char("abc_$%^" + pp.nums)) + num
- very_boring_num = pp.PrecededBy(pp.WordStart()) + num
- finicky_num = pp.PrecededBy(pp.Word("^", "$%^"), retreat=3) + num
-
- s = "c384 b8324 _9293874 _293 404 $%^$^%$2939"
- print_(s)
- for expr, expected_list, expected_dict in [
- (interesting_num, [384, 8324], {'prefix': ['c', 'b']}),
- (semi_interesting_num, [9293874, 293], {}),
- (boring_num, [404], {}),
- (crazy_num, [2939], {'prefix': ['^%$']}),
- (finicky_num, [2939], {}),
- (very_boring_num, [404], {}),
- ]:
- print_(expr.searchString(s))
- result = sum(expr.searchString(s))
- print_(result)
-
- self.assertEqual(result.asList(), expected_list,
- "Erroneous tokens for {}: expected {}, got {}".format(expr,
- expected_list,
- result.asList()))
- self.assertEqual(result.asDict(), expected_dict,
- "Erroneous named results for {}: expected {}, got {}".format(expr,
- expected_dict,
- result.asDict()))
-
-class CountedArrayTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word,nums,OneOrMore,countedArray
-
- testString = "2 5 7 6 0 1 2 3 4 5 0 3 5 4 3"
-
- integer = Word(nums).setParseAction(lambda t: int(t[0]))
- countedField = countedArray(integer)
-
- r = OneOrMore(countedField).parseString( testString )
- print_(testString)
- print_(r.asList())
-
- self.assertEqual(r.asList(), [[5,7],[0,1,2,3,4,5],[],[5,4,3]],
- "Failed matching countedArray, got " + str(r.asList()))
-
-class CountedArrayTest2(ParseTestCase):
- # addresses bug raised by Ralf Vosseler
- def runTest(self):
- from pyparsing import Word,nums,OneOrMore,countedArray
-
- testString = "2 5 7 6 0 1 2 3 4 5 0 3 5 4 3"
-
- integer = Word(nums).setParseAction(lambda t: int(t[0]))
- countedField = countedArray(integer)
-
- dummy = Word("A")
- r = OneOrMore(dummy ^ countedField).parseString( testString )
- print_(testString)
- print_(r.asList())
-
- self.assertEqual(r.asList(), [[5,7],[0,1,2,3,4,5],[],[5,4,3]],
- "Failed matching countedArray, got " + str(r.asList()))
-
-class CountedArrayTest3(ParseTestCase):
- # test case where counter is not a decimal integer
- def runTest(self):
- from pyparsing import Word,nums,OneOrMore,countedArray,alphas
- int_chars = "_"+alphas
- array_counter = Word(int_chars).setParseAction(lambda t: int_chars.index(t[0]))
-
- # 123456789012345678901234567890
- testString = "B 5 7 F 0 1 2 3 4 5 _ C 5 4 3"
-
- integer = Word(nums).setParseAction(lambda t: int(t[0]))
- countedField = countedArray(integer, intExpr=array_counter)
-
- r = OneOrMore(countedField).parseString( testString )
- print_(testString)
- print_(r.asList())
-
- self.assertEqual(r.asList(), [[5,7],[0,1,2,3,4,5],[],[5,4,3]],
- "Failed matching countedArray, got " + str(r.asList()))
-
-class LineStartTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- pass_tests = [
- """\
- AAA
- BBB
- """,
- """\
- AAA...
- BBB
- """,
- ]
- fail_tests = [
- """\
- AAA...
- ...BBB
- """,
- """\
- AAA BBB
- """,
- ]
-
- # cleanup test strings
- pass_tests = ['\n'.join(s.lstrip() for s in t.splitlines()).replace('.', ' ') for t in pass_tests]
- fail_tests = ['\n'.join(s.lstrip() for s in t.splitlines()).replace('.', ' ') for t in fail_tests]
-
- test_patt = pp.Word('A') - pp.LineStart() + pp.Word('B')
- print_(test_patt.streamline())
- success = test_patt.runTests(pass_tests)[0]
- self.assertTrue(success, "failed LineStart passing tests (1)")
-
- success = test_patt.runTests(fail_tests, failureTests=True)[0]
- self.assertTrue(success, "failed LineStart failure mode tests (1)")
-
- with AutoReset(pp.ParserElement, "DEFAULT_WHITE_CHARS"):
- print_(r'no \n in default whitespace chars')
- pp.ParserElement.setDefaultWhitespaceChars(' ')
-
- test_patt = pp.Word('A') - pp.LineStart() + pp.Word('B')
- print_(test_patt.streamline())
- # should fail the pass tests too, since \n is no longer valid whitespace and we aren't parsing for it
- success = test_patt.runTests(pass_tests, failureTests=True)[0]
- self.assertTrue(success, "failed LineStart passing tests (2)")
-
- success = test_patt.runTests(fail_tests, failureTests=True)[0]
- self.assertTrue(success, "failed LineStart failure mode tests (2)")
-
- test_patt = pp.Word('A') - pp.LineEnd().suppress() + pp.LineStart() + pp.Word('B') + pp.LineEnd().suppress()
- print_(test_patt.streamline())
- success = test_patt.runTests(pass_tests)[0]
- self.assertTrue(success, "failed LineStart passing tests (3)")
-
- success = test_patt.runTests(fail_tests, failureTests=True)[0]
- self.assertTrue(success, "failed LineStart failure mode tests (3)")
-
- test = """\
- AAA 1
- AAA 2
-
- AAA
-
- B AAA
-
- """
-
- from textwrap import dedent
- test = dedent(test)
- print_(test)
-
- for t, s, e in (pp.LineStart() + 'AAA').scanString(test):
- print_(s, e, pp.lineno(s, test), pp.line(s, test), ord(test[s]))
- print_()
- self.assertEqual(test[s], 'A', 'failed LineStart with insignificant newlines')
-
- with AutoReset(pp.ParserElement, "DEFAULT_WHITE_CHARS"):
- pp.ParserElement.setDefaultWhitespaceChars(' ')
- for t, s, e in (pp.LineStart() + 'AAA').scanString(test):
- print_(s, e, pp.lineno(s, test), pp.line(s, test), ord(test[s]))
- print_()
- self.assertEqual(test[s], 'A', 'failed LineStart with insignificant newlines')
-
-
-class LineAndStringEndTest(ParseTestCase):
- def runTest(self):
- from pyparsing import OneOrMore,lineEnd,alphanums,Word,stringEnd,delimitedList,SkipTo
-
- NLs = OneOrMore(lineEnd)
- bnf1 = delimitedList(Word(alphanums).leaveWhitespace(), NLs)
- bnf2 = Word(alphanums) + stringEnd
- bnf3 = Word(alphanums) + SkipTo(stringEnd)
- tests = [
- ("testA\ntestB\ntestC\n", ['testA', 'testB', 'testC']),
- ("testD\ntestE\ntestF", ['testD', 'testE', 'testF']),
- ("a", ['a']),
- ]
-
- for test,expected in tests:
- res1 = bnf1.parseString(test)
- print_(res1,'=?',expected)
- self.assertEqual(res1.asList(), expected,
- "Failed lineEnd/stringEnd test (1): "+repr(test)+ " -> "+str(res1.asList()))
-
- res2 = bnf2.searchString(test)[0]
- print_(res2.asList(),'=?',expected[-1:])
- self.assertEqual(res2.asList(), expected[-1:],
- "Failed lineEnd/stringEnd test (2): "+repr(test)+ " -> "+str(res2.asList()))
-
- res3 = bnf3.parseString(test)
- first = res3[0]
- rest = res3[1]
- #~ print res3.dump()
- print_(repr(rest),'=?',repr(test[len(first)+1:]))
- self.assertEqual(rest, test[len(first)+1:],
- "Failed lineEnd/stringEnd test (3): " +repr(test)+ " -> "+str(res3.asList()))
- print_()
-
- from pyparsing import Regex
- import re
-
- k = Regex(r'a+',flags=re.S+re.M)
- k = k.parseWithTabs()
- k = k.leaveWhitespace()
-
- tests = [
- (r'aaa',['aaa']),
- (r'\naaa',None),
- (r'a\naa',None),
- (r'aaa\n',None),
- ]
- for i,(src,expected) in enumerate(tests):
- print_(i, repr(src).replace('\\\\','\\'), end=' ')
- try:
- res = k.parseString(src, parseAll=True).asList()
- except ParseException as pe:
- res = None
- print_(res)
- self.assertEqual(res, expected, "Failed on parseAll=True test %d" % i)
-
-class VariableParseActionArgsTest(ParseTestCase):
- def runTest(self):
-
- pa3 = lambda s,l,t: t
- pa2 = lambda l,t: t
- pa1 = lambda t: t
- pa0 = lambda : None
- class Callable3(object):
- def __call__(self,s,l,t):
- return t
- class Callable2(object):
- def __call__(self,l,t):
- return t
- class Callable1(object):
- def __call__(self,t):
- return t
- class Callable0(object):
- def __call__(self):
- return
- class CallableS3(object):
- #~ @staticmethod
- def __call__(s,l,t):
- return t
- __call__=staticmethod(__call__)
- class CallableS2(object):
- #~ @staticmethod
- def __call__(l,t):
- return t
- __call__=staticmethod(__call__)
- class CallableS1(object):
- #~ @staticmethod
- def __call__(t):
- return t
- __call__=staticmethod(__call__)
- class CallableS0(object):
- #~ @staticmethod
- def __call__():
- return
- __call__=staticmethod(__call__)
- class CallableC3(object):
- #~ @classmethod
- def __call__(cls,s,l,t):
- return t
- __call__=classmethod(__call__)
- class CallableC2(object):
- #~ @classmethod
- def __call__(cls,l,t):
- return t
- __call__=classmethod(__call__)
- class CallableC1(object):
- #~ @classmethod
- def __call__(cls,t):
- return t
- __call__=classmethod(__call__)
- class CallableC0(object):
- #~ @classmethod
- def __call__(cls):
- return
- __call__=classmethod(__call__)
-
- class parseActionHolder(object):
- #~ @staticmethod
- def pa3(s,l,t):
- return t
- pa3=staticmethod(pa3)
- #~ @staticmethod
- def pa2(l,t):
- return t
- pa2=staticmethod(pa2)
- #~ @staticmethod
- def pa1(t):
- return t
- pa1=staticmethod(pa1)
- #~ @staticmethod
- def pa0():
- return
- pa0=staticmethod(pa0)
-
- def paArgs(*args):
- print_(args)
- return args[2]
-
- class ClassAsPA0(object):
- def __init__(self):
- pass
- def __str__(self):
- return "A"
-
- class ClassAsPA1(object):
- def __init__(self,t):
- print_("making a ClassAsPA1")
- self.t = t
- def __str__(self):
- return self.t[0]
-
- class ClassAsPA2(object):
- def __init__(self,l,t):
- self.t = t
- def __str__(self):
- return self.t[0]
-
- class ClassAsPA3(object):
- def __init__(self,s,l,t):
- self.t = t
- def __str__(self):
- return self.t[0]
-
- class ClassAsPAStarNew(tuple):
- def __new__(cls, *args):
- print_("make a ClassAsPAStarNew", args)
- return tuple.__new__(cls, *args[2].asList())
- def __str__(self):
- return ''.join(self)
-
- #~ def ClassAsPANew(object):
- #~ def __new__(cls, t):
- #~ return object.__new__(cls, t)
- #~ def __init__(self,t):
- #~ self.t = t
- #~ def __str__(self):
- #~ return self.t
-
- from pyparsing import Literal,OneOrMore
-
- A = Literal("A").setParseAction(pa0)
- B = Literal("B").setParseAction(pa1)
- C = Literal("C").setParseAction(pa2)
- D = Literal("D").setParseAction(pa3)
- E = Literal("E").setParseAction(Callable0())
- F = Literal("F").setParseAction(Callable1())
- G = Literal("G").setParseAction(Callable2())
- H = Literal("H").setParseAction(Callable3())
- I = Literal("I").setParseAction(CallableS0())
- J = Literal("J").setParseAction(CallableS1())
- K = Literal("K").setParseAction(CallableS2())
- L = Literal("L").setParseAction(CallableS3())
- M = Literal("M").setParseAction(CallableC0())
- N = Literal("N").setParseAction(CallableC1())
- O = Literal("O").setParseAction(CallableC2())
- P = Literal("P").setParseAction(CallableC3())
- Q = Literal("Q").setParseAction(paArgs)
- R = Literal("R").setParseAction(parseActionHolder.pa3)
- S = Literal("S").setParseAction(parseActionHolder.pa2)
- T = Literal("T").setParseAction(parseActionHolder.pa1)
- U = Literal("U").setParseAction(parseActionHolder.pa0)
- V = Literal("V")
-
- gg = OneOrMore( A | C | D | E | F | G | H |
- I | J | K | L | M | N | O | P | Q | R | S | U | V | B | T)
- testString = "VUTSRQPONMLKJIHGFEDCBA"
- res = gg.parseString(testString)
- print_(res.asList())
- self.assertEqual(res.asList(), list(testString), "Failed to parse using variable length parse actions")
-
- A = Literal("A").setParseAction(ClassAsPA0)
- B = Literal("B").setParseAction(ClassAsPA1)
- C = Literal("C").setParseAction(ClassAsPA2)
- D = Literal("D").setParseAction(ClassAsPA3)
- E = Literal("E").setParseAction(ClassAsPAStarNew)
-
- gg = OneOrMore( A | B | C | D | E | F | G | H |
- I | J | K | L | M | N | O | P | Q | R | S | T | U | V)
- testString = "VUTSRQPONMLKJIHGFEDCBA"
- res = gg.parseString(testString)
- print_(list(map(str,res)))
- self.assertEqual(list(map(str,res)), list(testString),
- "Failed to parse using variable length parse actions "
- "using class constructors as parse actions")
-
-class EnablePackratParsing(ParseTestCase):
- def runTest(self):
- from pyparsing import ParserElement
- ParserElement.enablePackrat()
-
-class SingleArgExceptionTest(ParseTestCase):
- def runTest(self):
- from pyparsing import ParseBaseException,ParseFatalException
-
- msg = ""
- raisedMsg = ""
- testMessage = "just one arg"
- try:
- raise ParseFatalException(testMessage)
- except ParseBaseException as pbe:
- print_("Received expected exception:", pbe)
- raisedMsg = pbe.msg
- self.assertEqual(raisedMsg, testMessage, "Failed to get correct exception message")
-
-
-class OriginalTextForTest(ParseTestCase):
- def runTest(self):
- from pyparsing import makeHTMLTags, originalTextFor
-
- def rfn(t):
- return "%s:%d" % (t.src, len("".join(t)))
-
- makeHTMLStartTag = lambda tag: originalTextFor(makeHTMLTags(tag)[0], asString=False)
-
- # use the lambda, Luke
- #~ start, imge = makeHTMLTags('IMG')
- start = makeHTMLStartTag('IMG')
-
- # don't replace our fancy parse action with rfn,
- # append rfn to the list of parse actions
- #~ start.setParseAction(rfn)
- start.addParseAction(rfn)
-
- #start.setParseAction(lambda s,l,t:t.src)
- text = '''_<img src="images/cal.png"
- alt="cal image" width="16" height="15">_'''
- s = start.transformString(text)
- if VERBOSE:
- print_(s)
- self.assertTrue(s.startswith("_images/cal.png:"), "failed to preserve input s properly")
- self.assertTrue(s.endswith("77_"),"failed to return full original text properly")
-
- tag_fields = makeHTMLStartTag("IMG").searchString(text)[0]
- if VERBOSE:
- print_(sorted(tag_fields.keys()))
- self.assertEqual(sorted(tag_fields.keys()),
- ['alt', 'empty', 'height', 'src', 'startImg', 'tag', 'width'],
- 'failed to preserve results names in originalTextFor')
-
-class PackratParsingCacheCopyTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word,nums,delimitedList,Literal,Optional,alphas,alphanums,ZeroOrMore,empty
-
- integer = Word(nums).setName("integer")
- id = Word(alphas+'_',alphanums+'_')
- simpleType = Literal('int');
- arrayType= simpleType+ZeroOrMore('['+delimitedList(integer)+']')
- varType = arrayType | simpleType
- varDec = varType + delimitedList(id + Optional('='+integer))+';'
-
- codeBlock = Literal('{}')
-
- funcDef = Optional(varType | 'void')+id+'('+(delimitedList(varType+id)|'void'|empty)+')'+codeBlock
-
- program = varDec | funcDef
- input = 'int f(){}'
- results = program.parseString(input)
- print_("Parsed '%s' as %s" % (input, results.asList()))
- self.assertEqual(results.asList(), ['int', 'f', '(', ')', '{}'], "Error in packrat parsing")
-
-class PackratParsingCacheCopyTest2(ParseTestCase):
- def runTest(self):
- from pyparsing import Keyword,Word,Suppress,Forward,Optional,delimitedList,Group
-
- DO,AA = list(map(Keyword, "DO AA".split()))
- LPAR,RPAR = list(map(Suppress,"()"))
- identifier = ~AA + Word("Z")
-
- function_name = identifier.copy()
- #~ function_name = ~AA + Word("Z") #identifier.copy()
- expr = Forward().setName("expr")
- expr << (Group(function_name + LPAR + Optional(delimitedList(expr)) + RPAR).setName("functionCall") |
- identifier.setName("ident")#.setDebug()#.setBreak()
- )
-
- stmt = DO + Group(delimitedList(identifier + ".*" | expr))
- result = stmt.parseString("DO Z")
- print_(result.asList())
- self.assertEqual(len(result[1]), 1, "packrat parsing is duplicating And term exprs")
-
-class ParseResultsDelTest(ParseTestCase):
- def runTest(self):
- from pyparsing import OneOrMore, Word, alphas, nums
-
- grammar = OneOrMore(Word(nums))("ints") + OneOrMore(Word(alphas))("words")
- res = grammar.parseString("123 456 ABC DEF")
- print_(res.dump())
- origInts = res.ints.asList()
- origWords = res.words.asList()
- del res[1]
- del res["words"]
- print_(res.dump())
- self.assertEqual(res[1], 'ABC',"failed to delete 0'th element correctly")
- self.assertEqual(res.ints.asList(), origInts, "updated named attributes, should have updated list only")
- self.assertEqual(res.words, "", "failed to update named attribute correctly")
- self.assertEqual(res[-1], 'DEF', "updated list, should have updated named attributes only")
-
-class WithAttributeParseActionTest(ParseTestCase):
- def runTest(self):
- """
- This unit test checks withAttribute in these ways:
-
- * Argument forms as keywords and tuples
- * Selecting matching tags by attribute
- * Case-insensitive attribute matching
- * Correctly matching tags having the attribute, and rejecting tags not having the attribute
-
- (Unit test written by voigts as part of the Google Highly Open Participation Contest)
- """
-
- from pyparsing import makeHTMLTags, Word, withAttribute, withClass, nums
-
- data = """
- <a>1</a>
- <a b="x">2</a>
- <a B="x">3</a>
- <a b="X">4</a>
- <a b="y">5</a>
- <a class="boo">8</a>
- """
- tagStart, tagEnd = makeHTMLTags("a")
-
- expr = tagStart + Word(nums)("value") + tagEnd
-
- expected = ([['a', ['b', 'x'], False, '2', '</a>'],
- ['a', ['b', 'x'], False, '3', '</a>']],
- [['a', ['b', 'x'], False, '2', '</a>'],
- ['a', ['b', 'x'], False, '3', '</a>']],
- [['a', ['class', 'boo'], False, '8', '</a>']],
- )
-
- for attrib, exp in zip([
- withAttribute(b="x"),
- #withAttribute(B="x"),
- withAttribute(("b","x")),
- #withAttribute(("B","x")),
- withClass("boo"),
- ], expected):
-
- tagStart.setParseAction(attrib)
- result = expr.searchString(data)
-
- print_(result.dump())
- self.assertEqual(result.asList(), exp, "Failed test, expected %s, got %s" % (expected, result.asList()))
-
-class NestedExpressionsTest(ParseTestCase):
- def runTest(self):
- """
- This unit test checks nestedExpr in these ways:
- - use of default arguments
- - use of non-default arguments (such as a pyparsing-defined comment
- expression in place of quotedString)
- - use of a custom content expression
- - use of a pyparsing expression for opener and closer is *OPTIONAL*
- - use of input data containing nesting delimiters
- - correct grouping of parsed tokens according to nesting of opening
- and closing delimiters in the input string
-
- (Unit test written by christoph... as part of the Google Highly Open Participation Contest)
- """
- from pyparsing import nestedExpr, Literal, Regex, restOfLine, quotedString
-
- #All defaults. Straight out of the example script. Also, qualifies for
- #the bonus: note the fact that (Z | (E^F) & D) is not parsed :-).
- # Tests for bug fixed in 1.4.10
- print_("Test defaults:")
- teststring = "(( ax + by)*C) (Z | (E^F) & D)"
-
- expr = nestedExpr()
-
- expected = [[['ax', '+', 'by'], '*C']]
- result = expr.parseString(teststring)
- print_(result.dump())
- self.assertEqual(result.asList(), expected, "Defaults didn't work. That's a bad sign. Expected: %s, got: %s" % (expected, result))
-
- #Going through non-defaults, one by one; trying to think of anything
- #odd that might not be properly handled.
-
- #Change opener
- print_("\nNon-default opener")
- opener = "["
- teststring = test_string = "[[ ax + by)*C)"
- expected = [[['ax', '+', 'by'], '*C']]
- expr = nestedExpr("[")
- result = expr.parseString(teststring)
- print_(result.dump())
- self.assertEqual(result.asList(), expected, "Non-default opener didn't work. Expected: %s, got: %s" % (expected, result))
-
- #Change closer
- print_("\nNon-default closer")
-
- teststring = test_string = "(( ax + by]*C]"
- expected = [[['ax', '+', 'by'], '*C']]
- expr = nestedExpr(closer="]")
- result = expr.parseString(teststring)
- print_(result.dump())
- self.assertEqual(result.asList(), expected, "Non-default closer didn't work. Expected: %s, got: %s" % (expected, result))
-
- # #Multicharacter opener, closer
- # opener = "bar"
- # closer = "baz"
- print_("\nLiteral expressions for opener and closer")
-
- opener,closer = list(map(Literal, "bar baz".split()))
- expr = nestedExpr(opener, closer,
- content=Regex(r"([^b ]|b(?!a)|ba(?![rz]))+"))
-
- teststring = "barbar ax + bybaz*Cbaz"
- expected = [[['ax', '+', 'by'], '*C']]
- # expr = nestedExpr(opener, closer)
- result = expr.parseString(teststring)
- print_(result.dump())
- self.assertEqual(result.asList(), expected, "Multicharacter opener and closer didn't work. Expected: %s, got: %s" % (expected, result))
-
- #Lisp-ish comments
- print_("\nUse ignore expression (1)")
- comment = Regex(r";;.*")
- teststring = \
- """
- (let ((greeting "Hello, world!")) ;;(foo bar
- (display greeting))
- """
-
- expected = [['let', [['greeting', '"Hello,', 'world!"']], ';;(foo bar',\
- ['display', 'greeting']]]
- expr = nestedExpr(ignoreExpr=comment)
- result = expr.parseString(teststring)
- print_(result.dump())
- self.assertEqual(result.asList(), expected , "Lisp-ish comments (\";; <...> $\") didn't work. Expected: %s, got: %s" % (expected, result))
-
-
- #Lisp-ish comments, using a standard bit of pyparsing, and an Or.
- print_("\nUse ignore expression (2)")
- comment = ';;' + restOfLine
-
- teststring = \
- """
- (let ((greeting "Hello, )world!")) ;;(foo bar
- (display greeting))
- """
-
- expected = [['let', [['greeting', '"Hello, )world!"']], ';;', '(foo bar',
- ['display', 'greeting']]]
- expr = nestedExpr(ignoreExpr=(comment ^ quotedString))
- result = expr.parseString(teststring)
- print_(result.dump())
- self.assertEqual(result.asList(), expected ,
- "Lisp-ish comments (\";; <...> $\") and quoted strings didn't work. Expected: %s, got: %s" % (expected, result))
-
-class WordExcludeTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, printables
- allButPunc = Word(printables, excludeChars=".,:;-_!?")
-
- test = "Hello, Mr. Ed, it's Wilbur!"
- result = allButPunc.searchString(test).asList()
- print_(result)
- self.assertEqual(result, [['Hello'], ['Mr'], ['Ed'], ["it's"], ['Wilbur']], "failed WordExcludeTest")
-
-class ParseAllTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, cppStyleComment
-
- testExpr = Word("A")
-
- tests = [
- ("AAAAA", False, True),
- ("AAAAA", True, True),
- ("AAABB", False, True),
- ("AAABB", True, False),
- ]
- for s,parseAllFlag,shouldSucceed in tests:
- try:
- print_("'%s' parseAll=%s (shouldSuceed=%s)" % (s, parseAllFlag, shouldSucceed))
- testExpr.parseString(s,parseAllFlag)
- self.assertTrue(shouldSucceed, "successfully parsed when should have failed")
- except ParseException as pe:
- self.assertFalse(shouldSucceed, "failed to parse when should have succeeded")
-
- # add test for trailing comments
- testExpr.ignore(cppStyleComment)
-
- tests = [
- ("AAAAA //blah", False, True),
- ("AAAAA //blah", True, True),
- ("AAABB //blah", False, True),
- ("AAABB //blah", True, False),
- ]
- for s,parseAllFlag,shouldSucceed in tests:
- try:
- print_("'%s' parseAll=%s (shouldSucceed=%s)" % (s, parseAllFlag, shouldSucceed))
- testExpr.parseString(s,parseAllFlag)
- self.assertTrue(shouldSucceed, "successfully parsed when should have failed")
- except ParseException as pe:
- self.assertFalse(shouldSucceed, "failed to parse when should have succeeded")
-
-class GreedyQuotedStringsTest(ParseTestCase):
- def runTest(self):
- from pyparsing import QuotedString, sglQuotedString, dblQuotedString, quotedString, delimitedList
-
- src = """\
- "string1", "strin""g2"
- 'string1', 'string2'
- ^string1^, ^string2^
- <string1>, <string2>"""
-
- testExprs = (sglQuotedString, dblQuotedString, quotedString,
- QuotedString('"', escQuote='""'), QuotedString("'", escQuote="''"),
- QuotedString("^"), QuotedString("<",endQuoteChar=">"))
- for expr in testExprs:
- strs = delimitedList(expr).searchString(src)
- print_(strs)
- self.assertTrue(bool(strs), "no matches found for test expression '%s'" % expr)
- for lst in strs:
- self.assertEqual(len(lst), 2, "invalid match found for test expression '%s'" % expr)
-
- from pyparsing import alphas, nums, Word
- src = """'ms1',1,0,'2009-12-22','2009-12-22 10:41:22') ON DUPLICATE KEY UPDATE sent_count = sent_count + 1, mtime = '2009-12-22 10:41:22';"""
- tok_sql_quoted_value = (
- QuotedString("'", "\\", "''", True, False) ^
- QuotedString('"', "\\", '""', True, False))
- tok_sql_computed_value = Word(nums)
- tok_sql_identifier = Word(alphas)
-
- val = tok_sql_quoted_value | tok_sql_computed_value | tok_sql_identifier
- vals = delimitedList(val)
- print_(vals.parseString(src))
- self.assertEqual(len(vals.parseString(src)), 5, "error in greedy quote escaping")
-
-
-class WordBoundaryExpressionsTest(ParseTestCase):
- def runTest(self):
- from pyparsing import WordEnd, WordStart, oneOf
-
- ws = WordStart()
- we = WordEnd()
- vowel = oneOf(list("AEIOUY"))
- consonant = oneOf(list("BCDFGHJKLMNPQRSTVWXZ"))
-
- leadingVowel = ws + vowel
- trailingVowel = vowel + we
- leadingConsonant = ws + consonant
- trailingConsonant = consonant + we
- internalVowel = ~ws + vowel + ~we
-
- bnf = leadingVowel | trailingVowel
-
- tests = """\
- ABC DEF GHI
- JKL MNO PQR
- STU VWX YZ """.splitlines()
- tests.append( "\n".join(tests) )
-
- expectedResult = [
- [['D', 'G'], ['A'], ['C', 'F'], ['I'], ['E'], ['A', 'I']],
- [['J', 'M', 'P'], [], ['L', 'R'], ['O'], [], ['O']],
- [['S', 'V'], ['Y'], ['X', 'Z'], ['U'], [], ['U', 'Y']],
- [['D', 'G', 'J', 'M', 'P', 'S', 'V'],
- ['A', 'Y'],
- ['C', 'F', 'L', 'R', 'X', 'Z'],
- ['I', 'O', 'U'],
- ['E'],
- ['A', 'I', 'O', 'U', 'Y']],
- ]
-
- for t,expected in zip(tests, expectedResult):
- print_(t)
- results = [flatten(e.searchString(t).asList()) for e in [
- leadingConsonant,
- leadingVowel,
- trailingConsonant,
- trailingVowel,
- internalVowel,
- bnf,
- ]]
- print_(results)
- print_()
- self.assertEqual(results, expected,"Failed WordBoundaryTest, expected %s, got %s" % (expected,results))
-
-class RequiredEachTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Keyword
-
- parser = Keyword('bam') & Keyword('boo')
- try:
- res1 = parser.parseString('bam boo')
- print_(res1.asList())
- res2 = parser.parseString('boo bam')
- print_(res2.asList())
- except ParseException:
- failed = True
- else:
- failed = False
- self.assertFalse(failed, "invalid logic in Each")
-
- self.assertEqual(set(res1), set(res2), "Failed RequiredEachTest, expected "
- + str(res1.asList()) + " and " + str(res2.asList())
- + "to contain same words in any order" )
-
-class OptionalEachTest(ParseTestCase):
- def runTest1(self):
- from pyparsing import Optional, Keyword
-
- the_input = "Major Tal Weiss"
- parser1 = (Optional('Tal') + Optional('Weiss')) & Keyword('Major')
- parser2 = Optional(Optional('Tal') + Optional('Weiss')) & Keyword('Major')
- p1res = parser1.parseString( the_input)
- p2res = parser2.parseString( the_input)
- self.assertEqual(p1res.asList(), p2res.asList(),
- "Each failed to match with nested Optionals, "
- + str(p1res.asList()) + " should match " + str(p2res.asList()))
-
- def runTest2(self):
- from pyparsing import Word, alphanums, OneOrMore, Group, Regex, Optional
-
- word = Word(alphanums + '_').setName("word")
- with_stmt = 'with' + OneOrMore(Group(word('key') + '=' + word('value')))('overrides')
- using_stmt = 'using' + Regex('id-[0-9a-f]{8}')('id')
- modifiers = Optional(with_stmt('with_stmt')) & Optional(using_stmt('using_stmt'))
-
- self.assertEqual(modifiers, "with foo=bar bing=baz using id-deadbeef")
- self.assertNotEqual(modifiers, "with foo=bar bing=baz using id-deadbeef using id-feedfeed")
-
- def runTest3(self):
- from pyparsing import Literal,Suppress,ZeroOrMore,OneOrMore
-
- foo = Literal('foo')
- bar = Literal('bar')
-
- openBrace = Suppress(Literal("{"))
- closeBrace = Suppress(Literal("}"))
-
- exp = openBrace + (OneOrMore(foo)("foo") & ZeroOrMore(bar)("bar")) + closeBrace
-
- tests = """\
- {foo}
- {bar foo bar foo bar foo}
- """.splitlines()
- for test in tests:
- test = test.strip()
- if not test:
- continue
- result = exp.parseString(test)
- print_(test, '->', result.asList())
- self.assertEqual(result.asList(), test.strip("{}").split(), "failed to parse Each expression %r" % test)
- print_(result.dump())
-
- try:
- result = exp.parseString("{bar}")
- self.assertTrue(False, "failed to raise exception when required element is missing")
- except ParseException as pe:
- pass
-
- def runTest4(self):
- from pyparsing import pyparsing_common, ZeroOrMore, Group
-
- expr = ((~pyparsing_common.iso8601_date + pyparsing_common.integer("id"))
- & ZeroOrMore(Group(pyparsing_common.iso8601_date)("date*")))
-
- expr.runTests("""
- 1999-12-31 100 2001-01-01
- 42
- """)
-
-
- def runTest(self):
- self.runTest1()
- self.runTest2()
- self.runTest3()
- self.runTest4()
-
-class SumParseResultsTest(ParseTestCase):
- def runTest(self):
-
- samplestr1 = "garbage;DOB 10-10-2010;more garbage\nID PARI12345678;more garbage"
- samplestr2 = "garbage;ID PARI12345678;more garbage\nDOB 10-10-2010;more garbage"
- samplestr3 = "garbage;DOB 10-10-2010"
- samplestr4 = "garbage;ID PARI12345678;more garbage- I am cool"
-
- res1 = "ID:PARI12345678 DOB:10-10-2010 INFO:"
- res2 = "ID:PARI12345678 DOB:10-10-2010 INFO:"
- res3 = "ID: DOB:10-10-2010 INFO:"
- res4 = "ID:PARI12345678 DOB: INFO: I am cool"
-
- from pyparsing import Regex, Word, alphanums, restOfLine
- dob_ref = "DOB" + Regex(r"\d{2}-\d{2}-\d{4}")("dob")
- id_ref = "ID" + Word(alphanums,exact=12)("id")
- info_ref = "-" + restOfLine("info")
-
- person_data = dob_ref | id_ref | info_ref
-
- tests = (samplestr1,samplestr2,samplestr3,samplestr4,)
- results = (res1, res2, res3, res4,)
- for test,expected in zip(tests, results):
- person = sum(person_data.searchString(test))
- result = "ID:%s DOB:%s INFO:%s" % (person.id, person.dob, person.info)
- print_(test)
- print_(expected)
- print_(result)
- for pd in person_data.searchString(test):
- print_(pd.dump())
- print_()
- self.assertEqual(expected, result,
- "Failed to parse '%s' correctly, \nexpected '%s', got '%s'" % (test,expected,result))
-
-class MarkInputLineTest(ParseTestCase):
- def runTest(self):
-
- samplestr1 = "DOB 100-10-2010;more garbage\nID PARI12345678;more garbage"
-
- from pyparsing import Regex
- dob_ref = "DOB" + Regex(r"\d{2}-\d{2}-\d{4}")("dob")
-
- try:
- res = dob_ref.parseString(samplestr1)
- except ParseException as pe:
- outstr = pe.markInputline()
- print_(outstr)
- self.assertEqual(outstr, "DOB >!<100-10-2010;more garbage", "did not properly create marked input line")
- else:
- self.assertEqual(False, "test construction failed - should have raised an exception")
-
-class LocatedExprTest(ParseTestCase):
- def runTest(self):
-
- # 012345678901234567890123456789012345678901234567890
- samplestr1 = "DOB 10-10-2010;more garbage;ID PARI12345678 ;more garbage"
-
- from pyparsing import Word, alphanums, locatedExpr
- id_ref = locatedExpr("ID" + Word(alphanums,exact=12)("id"))
-
- res = id_ref.searchString(samplestr1)[0][0]
- print_(res.dump())
- self.assertEqual(samplestr1[res.locn_start:res.locn_end], 'ID PARI12345678', "incorrect location calculation")
-
-
-class PopTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, alphas, nums
-
- source = "AAA 123 456 789 234"
- patt = Word(alphas)("name") + Word(nums)*(1,)
-
- result = patt.parseString(source)
- tests = [
- (0, 'AAA', ['123', '456', '789', '234']),
- (None, '234', ['123', '456', '789']),
- ('name', 'AAA', ['123', '456', '789']),
- (-1, '789', ['123', '456']),
- ]
- for test in tests:
- idx, val, remaining = test
- if idx is not None:
- ret = result.pop(idx)
- else:
- ret = result.pop()
- print_("EXP:", val, remaining)
- print_("GOT:", ret, result.asList())
- print_(ret, result.asList())
- self.assertEqual(ret, val, "wrong value returned, got %r, expected %r" % (ret, val))
- self.assertEqual(remaining, result.asList(),
- "list is in wrong state after pop, got %r, expected %r" % (result.asList(), remaining))
- print_()
-
- prevlist = result.asList()
- ret = result.pop('name', default="noname")
- print_(ret)
- print_(result.asList())
- self.assertEqual(ret, "noname",
- "default value not successfully returned, got %r, expected %r" % (ret, "noname"))
- self.assertEqual(result.asList(), prevlist,
- "list is in wrong state after pop, got %r, expected %r" % (result.asList(), remaining))
-
-
-class AddConditionTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, nums, Suppress, ParseFatalException
-
- numParser = Word(nums)
- numParser.addParseAction(lambda s,l,t: int(t[0]))
- numParser.addCondition(lambda s,l,t: t[0] % 2)
- numParser.addCondition(lambda s,l,t: t[0] >= 7)
-
- result = numParser.searchString("1 2 3 4 5 6 7 8 9 10")
- print_(result.asList())
- self.assertEqual(result.asList(), [[7],[9]], "failed to properly process conditions")
-
- numParser = Word(nums)
- numParser.addParseAction(lambda s,l,t: int(t[0]))
- rangeParser = (numParser("from_") + Suppress('-') + numParser("to"))
-
- result = rangeParser.searchString("1-4 2-4 4-3 5 6 7 8 9 10")
- print_(result.asList())
- self.assertEqual(result.asList(), [[1, 4], [2, 4], [4, 3]], "failed to properly process conditions")
-
- rangeParser.addCondition(lambda t: t.to > t.from_, message="from must be <= to", fatal=False)
- result = rangeParser.searchString("1-4 2-4 4-3 5 6 7 8 9 10")
- print_(result.asList())
- self.assertEqual(result.asList(), [[1, 4], [2, 4]], "failed to properly process conditions")
-
- rangeParser = (numParser("from_") + Suppress('-') + numParser("to"))
- rangeParser.addCondition(lambda t: t.to > t.from_, message="from must be <= to", fatal=True)
- try:
- result = rangeParser.searchString("1-4 2-4 4-3 5 6 7 8 9 10")
- self.assertTrue(False, "failed to interrupt parsing on fatal condition failure")
- except ParseFatalException:
- print_("detected fatal condition")
-
-class PatientOrTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- # Two expressions and a input string which could - syntactically - be matched against
- # both expressions. The "Literal" expression is considered invalid though, so this PE
- # should always detect the "Word" expression.
- def validate(token):
- if token[0] == "def":
- raise pp.ParseException("signalling invalid token")
- return token
-
- a = pp.Word("de").setName("Word")#.setDebug()
- b = pp.Literal("def").setName("Literal").setParseAction(validate)#.setDebug()
- c = pp.Literal("d").setName("d")#.setDebug()
-
- # The "Literal" expressions's ParseAction is not executed directly after syntactically
- # detecting the "Literal" Expression but only after the Or-decision has been made
- # (which is too late)...
- try:
- result = (a ^ b ^ c).parseString("def")
- self.assertEqual(result.asList(), ['de'], "failed to select longest match, chose %s" % result)
- except ParseException:
- failed = True
- else:
- failed = False
- self.assertFalse(failed, "invalid logic in Or, fails on longest match with exception in parse action")
-
-class EachWithOptionalWithResultsNameTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Optional
-
- result = (Optional('foo')('one') & Optional('bar')('two')).parseString('bar foo')
- print_(result.dump())
- self.assertEqual(sorted(result.keys()), ['one','two'])
-
-class UnicodeExpressionTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Literal, ParseException
-
- z = 'a' | Literal(u'\u1111')
- z.streamline()
- try:
- z.parseString('b')
- except ParseException as pe:
- if not PY_3:
- self.assertEqual(pe.msg, r'''Expected {"a" | "\u1111"}''',
- "Invalid error message raised, got %r" % pe.msg)
- else:
- self.assertEqual(pe.msg, r'''Expected {"a" | "ᄑ"}''',
- "Invalid error message raised, got %r" % pe.msg)
-
-class SetNameTest(ParseTestCase):
- def runTest(self):
- from pyparsing import (oneOf,infixNotation,Word,nums,opAssoc,delimitedList,countedArray,
- nestedExpr,makeHTMLTags,anyOpenTag,anyCloseTag,commonHTMLEntity,replaceHTMLEntity)
-
- a = oneOf("a b c")
- b = oneOf("d e f")
- arith_expr = infixNotation(Word(nums),
- [
- (oneOf('* /'),2,opAssoc.LEFT),
- (oneOf('+ -'),2,opAssoc.LEFT),
- ])
- arith_expr2 = infixNotation(Word(nums),
- [
- (('?',':'),3,opAssoc.LEFT),
- ])
-
- tests = [
- a,
- b,
- (a | b),
- arith_expr,
- arith_expr.expr,
- arith_expr2,
- arith_expr2.expr,
- delimitedList(Word(nums).setName("int")),
- countedArray(Word(nums).setName("int")),
- nestedExpr(),
- makeHTMLTags('Z'),
- (anyOpenTag,anyCloseTag),
- commonHTMLEntity,
- commonHTMLEntity.setParseAction(replaceHTMLEntity).transformString("lsdjkf <lsdjkf>&'"&xyzzy;"),
- ]
-
- expected = map(str.strip, """\
- a | b | c
- d | e | f
- {a | b | c | d | e | f}
- Forward: ...
- + | - term
- Forward: ...
- ?: term
- int [, int]...
- (len) int...
- nested () expression
- (<Z>, </Z>)
- (<any tag>, </any tag>)
- common HTML entity
- lsdjkf <lsdjkf>&'"&xyzzy;""".splitlines())
-
- for t,e in zip(tests, expected):
- tname = str(t)
- self.assertEqual(tname, e, "expression name mismatch, expected {} got {}".format(e, tname))
-
-class TrimArityExceptionMaskingTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word
-
- invalid_message = [
- "<lambda>() takes exactly 1 argument (0 given)",
- "<lambda>() missing 1 required positional argument: 't'"
- ][PY_3]
- try:
- Word('a').setParseAction(lambda t: t[0]+1).parseString('aaa')
- except Exception as e:
- exc_msg = str(e)
- self.assertNotEqual(exc_msg, invalid_message, "failed to catch TypeError thrown in _trim_arity")
-
-class TrimArityExceptionMaskingTest2(ParseTestCase):
- def runTest(self):
- # construct deep call tree
- def A():
- import traceback
-
- traceback.print_stack(limit=2)
-
- from pyparsing import Word
-
- invalid_message = [
- "<lambda>() takes exactly 1 argument (0 given)",
- "<lambda>() missing 1 required positional argument: 't'"
- ][PY_3]
- try:
- Word('a').setParseAction(lambda t: t[0]+1).parseString('aaa')
- except Exception as e:
- exc_msg = str(e)
- self.assertNotEqual(exc_msg, invalid_message, "failed to catch TypeError thrown in _trim_arity")
-
-
- def B():
- A()
-
- def C():
- B()
-
- def D():
- C()
-
- def E():
- D()
-
- def F():
- E()
-
- def G():
- F()
-
- def H():
- G()
-
- def J():
- H()
-
- def K():
- J()
-
- K()
-
-class OneOrMoreStopTest(ParseTestCase):
- def runTest(self):
- from pyparsing import (Word, OneOrMore, alphas, Keyword, CaselessKeyword,
- nums, alphanums)
-
- test = "BEGIN aaa bbb ccc END"
- BEGIN,END = map(Keyword, "BEGIN,END".split(','))
- body_word = Word(alphas).setName("word")
- for ender in (END, "END", CaselessKeyword("END")):
- expr = BEGIN + OneOrMore(body_word, stopOn=ender) + END
- self.assertEqual(test, expr, "Did not successfully stop on ending expression %r" % ender)
-
- number = Word(nums+',.()').setName("number with optional commas")
- parser= (OneOrMore(Word(alphanums+'-/.'), stopOn=number)('id').setParseAction(' '.join)
- + number('data'))
- result = parser.parseString(' XXX Y/123 1,234.567890')
- self.assertEqual(result.asList(), ['XXX Y/123', '1,234.567890'],
- "Did not successfully stop on ending expression %r" % number)
-
-class ZeroOrMoreStopTest(ParseTestCase):
- def runTest(self):
- from pyparsing import (Word, ZeroOrMore, alphas, Keyword, CaselessKeyword)
-
- test = "BEGIN END"
- BEGIN,END = map(Keyword, "BEGIN,END".split(','))
- body_word = Word(alphas).setName("word")
- for ender in (END, "END", CaselessKeyword("END")):
- expr = BEGIN + ZeroOrMore(body_word, stopOn=ender) + END
- self.assertEqual(test, expr, "Did not successfully stop on ending expression %r" % ender)
-
-class NestedAsDictTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Literal, Forward, alphanums, Group, delimitedList, Dict, Word, Optional
-
- equals = Literal("=").suppress()
- lbracket = Literal("[").suppress()
- rbracket = Literal("]").suppress()
- lbrace = Literal("{").suppress()
- rbrace = Literal("}").suppress()
-
- value_dict = Forward()
- value_list = Forward()
- value_string = Word(alphanums + "@. ")
-
- value = value_list ^ value_dict ^ value_string
- values = Group(delimitedList(value, ","))
- #~ values = delimitedList(value, ",").setParseAction(lambda toks: [toks.asList()])
-
- value_list << lbracket + values + rbracket
-
- identifier = Word(alphanums + "_.")
-
- assignment = Group(identifier + equals + Optional(value))
- assignments = Dict(delimitedList(assignment, ';'))
- value_dict << lbrace + assignments + rbrace
-
- response = assignments
-
- rsp = 'username=goat; errors={username=[already taken, too short]}; empty_field='
- result_dict = response.parseString(rsp).asDict()
- print_(result_dict)
- self.assertEqual(result_dict['username'], 'goat', "failed to process string in ParseResults correctly")
- self.assertEqual(result_dict['errors']['username'], ['already taken', 'too short'],
- "failed to process nested ParseResults correctly")
-
-class TraceParseActionDecoratorTest(ParseTestCase):
- def runTest(self):
- from pyparsing import traceParseAction, Word, nums
-
- @traceParseAction
- def convert_to_int(t):
- return int(t[0])
-
- class Z(object):
- def __call__(self, other):
- return other[0] * 1000
-
- integer = Word(nums).addParseAction(convert_to_int)
- integer.addParseAction(traceParseAction(lambda t: t[0]*10))
- integer.addParseAction(traceParseAction(Z()))
- integer.parseString("132")
-
-class RunTestsTest(ParseTestCase):
- def runTest(self):
- from pyparsing import Word, nums, delimitedList
-
- integer = Word(nums).setParseAction(lambda t : int(t[0]))
- intrange = integer("start") + '-' + integer("end")
- intrange.addCondition(lambda t: t.end > t.start, message="invalid range, start must be <= end", fatal=True)
- intrange.addParseAction(lambda t: list(range(t.start, t.end+1)))
-
- indices = delimitedList(intrange | integer)
- indices.addParseAction(lambda t: sorted(set(t)))
-
- tests = """\
- # normal data
- 1-3,2-4,6,8-10,16
-
- # lone integer
- 11"""
- results = indices.runTests(tests, printResults=False)[1]
-
- expectedResults = [
- [1, 2, 3, 4, 6, 8, 9, 10, 16],
- [11],
- ]
- for res, expected in zip(results, expectedResults):
- print_(res[1].asList())
- print_(expected)
- self.assertEqual(res[1].asList(), expected, "failed test: " + str(expected))
-
- tests = """\
- # invalid range
- 1-2, 3-1, 4-6, 7, 12
- """
- success = indices.runTests(tests, printResults=False, failureTests=True)[0]
- self.assertTrue(success, "failed to raise exception on improper range test")
-
-class RunTestsPostParseTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- integer = pp.pyparsing_common.integer
- fraction = integer('numerator') + '/' + integer('denominator')
-
- accum = []
- def eval_fraction(test, result):
- accum.append((test, result.asList()))
- return "eval: {}".format(result.numerator / result.denominator)
-
- success = fraction.runTests("""\
- 1/2
- 1/0
- """, postParse=eval_fraction)[0]
- print_(success)
-
- self.assertTrue(success, "failed to parse fractions in RunTestsPostParse")
-
- expected_accum = [('1/2', [1, '/', 2]), ('1/0', [1, '/', 0])]
- self.assertEqual(accum, expected_accum, "failed to call postParse method during runTests")
-
-class CommonExpressionsTest(ParseTestCase):
- def runTest(self):
- from pyparsing import pyparsing_common
- import ast
-
- success = pyparsing_common.mac_address.runTests("""
- AA:BB:CC:DD:EE:FF
- AA.BB.CC.DD.EE.FF
- AA-BB-CC-DD-EE-FF
- """)[0]
- self.assertTrue(success, "error in parsing valid MAC address")
-
- success = pyparsing_common.mac_address.runTests("""
- # mixed delimiters
- AA.BB:CC:DD:EE:FF
- """, failureTests=True)[0]
- self.assertTrue( success, "error in detecting invalid mac address")
-
- success = pyparsing_common.ipv4_address.runTests("""
- 0.0.0.0
- 1.1.1.1
- 127.0.0.1
- 1.10.100.199
- 255.255.255.255
- """)[0]
- self.assertTrue(success, "error in parsing valid IPv4 address")
-
- success = pyparsing_common.ipv4_address.runTests("""
- # out of range value
- 256.255.255.255
- """, failureTests=True)[0]
- self.assertTrue(success, "error in detecting invalid IPv4 address")
-
- success = pyparsing_common.ipv6_address.runTests("""
- 2001:0db8:85a3:0000:0000:8a2e:0370:7334
- 2134::1234:4567:2468:1236:2444:2106
- 0:0:0:0:0:0:A00:1
- 1080::8:800:200C:417A
- ::A00:1
-
- # loopback address
- ::1
-
- # the null address
- ::
-
- # ipv4 compatibility form
- ::ffff:192.168.0.1
- """)[0]
- self.assertTrue(success, "error in parsing valid IPv6 address")
-
- success = pyparsing_common.ipv6_address.runTests("""
- # too few values
- 1080:0:0:0:8:800:200C
-
- # too many ::'s, only 1 allowed
- 2134::1234:4567::2444:2106
- """, failureTests=True)[0]
- self.assertTrue(success, "error in detecting invalid IPv6 address")
-
- success = pyparsing_common.number.runTests("""
- 100
- -100
- +100
- 3.14159
- 6.02e23
- 1e-12
- """)[0]
- self.assertTrue(success, "error in parsing valid numerics")
-
- success = pyparsing_common.sci_real.runTests("""
- 1e12
- -1e12
- 3.14159
- 6.02e23
- """)[0]
- self.assertTrue(success, "error in parsing valid scientific notation reals")
-
- # any int or real number, returned as float
- success = pyparsing_common.fnumber.runTests("""
- 100
- -100
- +100
- 3.14159
- 6.02e23
- 1e-12
- """)[0]
- self.assertTrue(success, "error in parsing valid numerics")
-
- success, results = pyparsing_common.iso8601_date.runTests("""
- 1997
- 1997-07
- 1997-07-16
- """)
- self.assertTrue(success, "error in parsing valid iso8601_date")
- expected = [
- ('1997', None, None),
- ('1997', '07', None),
- ('1997', '07', '16'),
- ]
- for r,exp in zip(results, expected):
- self.assertTrue((r[1].year,r[1].month,r[1].day,) == exp, "failed to parse date into fields")
-
- success, results = pyparsing_common.iso8601_date().addParseAction(pyparsing_common.convertToDate()).runTests("""
- 1997-07-16
- """)
- self.assertTrue(success, "error in parsing valid iso8601_date with parse action")
- self.assertTrue(results[0][1][0] == datetime.date(1997, 7, 16))
-
- success, results = pyparsing_common.iso8601_datetime.runTests("""
- 1997-07-16T19:20+01:00
- 1997-07-16T19:20:30+01:00
- 1997-07-16T19:20:30.45Z
- 1997-07-16 19:20:30.45
- """)
- self.assertTrue(success, "error in parsing valid iso8601_datetime")
-
- success, results = pyparsing_common.iso8601_datetime().addParseAction(pyparsing_common.convertToDatetime()).runTests("""
- 1997-07-16T19:20:30.45
- """)
- self.assertTrue(success, "error in parsing valid iso8601_datetime")
- self.assertTrue(results[0][1][0] == datetime.datetime(1997, 7, 16, 19, 20, 30, 450000))
-
- success = pyparsing_common.uuid.runTests("""
- 123e4567-e89b-12d3-a456-426655440000
- """)[0]
- self.assertTrue(success, "failed to parse valid uuid")
-
- success = pyparsing_common.fraction.runTests("""
- 1/2
- -15/16
- -3/-4
- """)[0]
- self.assertTrue(success, "failed to parse valid fraction")
-
- success = pyparsing_common.mixed_integer.runTests("""
- 1/2
- -15/16
- -3/-4
- 1 1/2
- 2 -15/16
- 0 -3/-4
- 12
- """)[0]
- self.assertTrue(success, "failed to parse valid mixed integer")
-
- success, results = pyparsing_common.number.runTests("""
- 100
- -3
- 1.732
- -3.14159
- 6.02e23""")
- self.assertTrue(success, "failed to parse numerics")
-
- for test,result in results:
- expected = ast.literal_eval(test)
- self.assertEqual(result[0], expected, "numeric parse failed (wrong value) (%s should be %s)" % (result[0], expected))
- self.assertEqual(type(result[0]), type(expected), "numeric parse failed (wrong type) (%s should be %s)" % (type(result[0]), type(expected)))
-
-
-class TokenMapTest(ParseTestCase):
- def runTest(self):
- from pyparsing import tokenMap, Word, hexnums, OneOrMore
-
- parser = OneOrMore(Word(hexnums)).setParseAction(tokenMap(int, 16))
- success, results = parser.runTests("""
- 00 11 22 aa FF 0a 0d 1a
- """, printResults=False)
- self.assertTrue(success, "failed to parse hex integers")
- print_(results)
- self.assertEqual(results[0][-1].asList(), [0, 17, 34, 170, 255, 10, 13, 26], "tokenMap parse action failed")
-
-
-class ParseFileTest(ParseTestCase):
- def runTest(self):
- from pyparsing import pyparsing_common, OneOrMore
- s = """
- 123 456 789
- """
- input_file = StringIO(s)
- integer = pyparsing_common.integer
-
- results = OneOrMore(integer).parseFile(input_file)
- print_(results)
-
- results = OneOrMore(integer).parseFile('test/parsefiletest_input_file.txt')
- print_(results)
-
-
-class HTMLStripperTest(ParseTestCase):
- def runTest(self):
- from pyparsing import pyparsing_common, originalTextFor, OneOrMore, Word, printables
-
- sample = """
- <html>
- Here is some sample <i>HTML</i> text.
- </html>
- """
- read_everything = originalTextFor(OneOrMore(Word(printables)))
- read_everything.addParseAction(pyparsing_common.stripHTMLTags)
-
- result = read_everything.parseString(sample)
- self.assertEqual(result[0].strip(), 'Here is some sample HTML text.')
-
-class ExprSplitterTest(ParseTestCase):
- def runTest(self):
-
- from pyparsing import Literal, quotedString, pythonStyleComment, Empty
-
- expr = Literal(';') + Empty()
- expr.ignore(quotedString)
- expr.ignore(pythonStyleComment)
-
-
- sample = """
- def main():
- this_semi_does_nothing();
- neither_does_this_but_there_are_spaces_afterward();
- a = "a;b"; return a # this is a comment; it has a semicolon!
-
- def b():
- if False:
- z=1000;b("; in quotes"); c=200;return z
- return ';'
-
- class Foo(object):
- def bar(self):
- '''a docstring; with a semicolon'''
- a = 10; b = 11; c = 12
-
- # this comment; has several; semicolons
- if self.spam:
- x = 12; return x # so; does; this; one
- x = 15;;; y += x; return y
-
- def baz(self):
- return self.bar
- """
- expected = [
- [' this_semi_does_nothing()', ''],
- [' neither_does_this_but_there_are_spaces_afterward()', ''],
- [' a = "a;b"', 'return a # this is a comment; it has a semicolon!'],
- [' z=1000', 'b("; in quotes")', 'c=200', 'return z'],
- [" return ';'"],
- [" '''a docstring; with a semicolon'''"],
- [' a = 10', 'b = 11', 'c = 12'],
- [' # this comment; has several; semicolons'],
- [' x = 12', 'return x # so; does; this; one'],
- [' x = 15', '', '', 'y += x', 'return y'],
- ]
-
- exp_iter = iter(expected)
- for line in filter(lambda ll: ';' in ll, sample.splitlines()):
- print_(str(list(expr.split(line)))+',')
- self.assertEqual(list(expr.split(line)), next(exp_iter), "invalid split on expression")
-
- print_()
-
- expected = [
- [' this_semi_does_nothing()', ';', ''],
- [' neither_does_this_but_there_are_spaces_afterward()', ';', ''],
- [' a = "a;b"', ';', 'return a # this is a comment; it has a semicolon!'],
- [' z=1000', ';', 'b("; in quotes")', ';', 'c=200', ';', 'return z'],
- [" return ';'"],
- [" '''a docstring; with a semicolon'''"],
- [' a = 10', ';', 'b = 11', ';', 'c = 12'],
- [' # this comment; has several; semicolons'],
- [' x = 12', ';', 'return x # so; does; this; one'],
- [' x = 15', ';', '', ';', '', ';', 'y += x', ';', 'return y'],
- ]
- exp_iter = iter(expected)
- for line in filter(lambda ll: ';' in ll, sample.splitlines()):
- print_(str(list(expr.split(line, includeSeparators=True)))+',')
- self.assertEqual(list(expr.split(line, includeSeparators=True)), next(exp_iter),
- "invalid split on expression")
-
- print_()
-
-
- expected = [
- [' this_semi_does_nothing()', ''],
- [' neither_does_this_but_there_are_spaces_afterward()', ''],
- [' a = "a;b"', 'return a # this is a comment; it has a semicolon!'],
- [' z=1000', 'b("; in quotes"); c=200;return z'],
- [' a = 10', 'b = 11; c = 12'],
- [' x = 12', 'return x # so; does; this; one'],
- [' x = 15', ';; y += x; return y'],
- ]
- exp_iter = iter(expected)
- for line in sample.splitlines():
- pieces = list(expr.split(line, maxsplit=1))
- print_(str(pieces)+',')
- if len(pieces) == 2:
- exp = next(exp_iter)
- self.assertEqual(pieces, exp, "invalid split on expression with maxSplits=1")
- elif len(pieces) == 1:
- self.assertEqual(len(expr.searchString(line)), 0, "invalid split with maxSplits=1 when expr not present")
- else:
- print_("\n>>> " + line)
- self.assertTrue(False, "invalid split on expression with maxSplits=1, corner case")
-
-class ParseFatalExceptionTest(ParseTestCase):
- def runTest(self):
-
- from pyparsing import Word, nums, ParseFatalException
-
- success = False
- try:
- expr = "ZZZ" - Word(nums)
- expr.parseString("ZZZ bad")
- except ParseFatalException as pfe:
- print_('ParseFatalException raised correctly')
- success = True
- except Exception as e:
- print_(type(e))
- print_(e)
-
- self.assertTrue(success, "bad handling of syntax error")
-
-class InlineLiteralsUsingTest(ParseTestCase):
- def runTest(self):
-
- from pyparsing import ParserElement, Suppress, Literal, CaselessLiteral, Word, alphas, oneOf, CaselessKeyword, nums
-
- with AutoReset(ParserElement, "_literalStringClass"):
- ParserElement.inlineLiteralsUsing(Suppress)
- wd = Word(alphas)
- result = (wd + ',' + wd + oneOf("! . ?")).parseString("Hello, World!")
- self.assertEqual(len(result), 3, "inlineLiteralsUsing(Suppress) failed!")
-
- ParserElement.inlineLiteralsUsing(Literal)
- result = (wd + ',' + wd + oneOf("! . ?")).parseString("Hello, World!")
- self.assertEqual(len(result), 4, "inlineLiteralsUsing(Literal) failed!")
-
- ParserElement.inlineLiteralsUsing(CaselessKeyword)
- result = ("SELECT" + wd + "FROM" + wd).parseString("select color from colors")
- self.assertEqual(result.asList(), "SELECT color FROM colors".split(),
- "inlineLiteralsUsing(CaselessKeyword) failed!")
-
- ParserElement.inlineLiteralsUsing(CaselessLiteral)
- result = ("SELECT" + wd + "FROM" + wd).parseString("select color from colors")
- self.assertEqual(result.asList(), "SELECT color FROM colors".split(),
- "inlineLiteralsUsing(CaselessLiteral) failed!")
-
- integer = Word(nums)
- ParserElement.inlineLiteralsUsing(Literal)
- date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
- result = date_str.parseString("1999/12/31")
- self.assertEqual(result.asList(), ['1999', '/', '12', '/', '31'], "inlineLiteralsUsing(example 1) failed!")
-
- # change to Suppress
- ParserElement.inlineLiteralsUsing(Suppress)
- date_str = integer("year") + '/' + integer("month") + '/' + integer("day")
-
- result = date_str.parseString("1999/12/31") # -> ['1999', '12', '31']
- self.assertEqual(result.asList(), ['1999', '12', '31'], "inlineLiteralsUsing(example 2) failed!")
-
-class CloseMatchTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- searchseq = pp.CloseMatch("ATCATCGAATGGA", 2)
-
- _, results = searchseq.runTests("""
- ATCATCGAATGGA
- XTCATCGAATGGX
- ATCATCGAAXGGA
- ATCAXXGAATGGA
- ATCAXXGAATGXA
- ATCAXXGAATGG
- """)
- expected = (
- [],
- [0,12],
- [9],
- [4,5],
- None,
- None
- )
-
- for r, exp in zip(results, expected):
- if exp is not None:
- self.assertEquals(r[1].mismatches, exp,
- "fail CloseMatch between %r and %r" % (searchseq.match_string, r[0]))
- print_(r[0], 'exc: %s' % r[1] if exp is None and isinstance(r[1], Exception)
- else ("no match", "match")[r[1].mismatches == exp])
-
-class DefaultKeywordCharsTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- try:
- pp.Keyword("start").parseString("start1000")
- except pp.ParseException:
- pass
- else:
- self.assertTrue(False, "failed to fail on default keyword chars")
-
- try:
- pp.Keyword("start", identChars=pp.alphas).parseString("start1000")
- except pp.ParseException:
- self.assertTrue(False, "failed to match keyword using updated keyword chars")
- else:
- pass
-
- with AutoReset(pp.Keyword, "DEFAULT_KEYWORD_CHARS"):
- pp.Keyword.setDefaultKeywordChars(pp.alphas)
- try:
- pp.Keyword("start").parseString("start1000")
- except pp.ParseException:
- self.assertTrue(False, "failed to match keyword using updated keyword chars")
- else:
- pass
-
- try:
- pp.CaselessKeyword("START").parseString("start1000")
- except pp.ParseException:
- pass
- else:
- self.assertTrue(False, "failed to fail on default keyword chars")
-
- try:
- pp.CaselessKeyword("START", identChars=pp.alphas).parseString("start1000")
- except pp.ParseException:
- self.assertTrue(False, "failed to match keyword using updated keyword chars")
- else:
- pass
-
- with AutoReset(pp.Keyword, "DEFAULT_KEYWORD_CHARS"):
- pp.Keyword.setDefaultKeywordChars(pp.alphas)
- try:
- pp.CaselessKeyword("START").parseString("start1000")
- except pp.ParseException:
- self.assertTrue(False, "failed to match keyword using updated keyword chars")
- else:
- pass
-
-class ColTest(ParseTestCase):
- def runTest(self):
-
- test = "*\n* \n* ALF\n*\n"
- initials = [c for i, c in enumerate(test) if pp.col(i, test) == 1]
- print_(initials)
- self.assertTrue(len(initials) == 4 and all(c=='*' for c in initials), 'fail col test')
-
-class LiteralExceptionTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- for cls in (pp.Literal, pp.CaselessLiteral, pp.Keyword, pp.CaselessKeyword,
- pp.Word, pp.Regex):
- expr = cls('xyz')#.setName('{}_expr'.format(cls.__name__.lower()))
-
- try:
- expr.parseString(' ')
- except Exception as e:
- print_(cls.__name__, str(e))
- self.assertTrue(isinstance(e, pp.ParseBaseException),
- "class {} raised wrong exception type {}".format(cls.__name__, type(e).__name__))
-
-class ParseActionExceptionTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- import traceback
-
- number = pp.Word(pp.nums)
- def number_action():
- raise IndexError # this is the important line!
-
- number.setParseAction(number_action)
- symbol = pp.Word('abcd', max=1)
- expr = number | symbol
-
- try:
- expr.parseString('1 + 2')
- except Exception as e:
- self.assertTrue(hasattr(e, '__cause__'), "no __cause__ attribute in the raised exception")
- self.assertTrue(e.__cause__ is not None, "__cause__ not propagated to outer exception")
- self.assertTrue(type(e.__cause__) == IndexError, "__cause__ references wrong exception")
- traceback.print_exc()
- else:
- self.assertTrue(False, "Expected ParseException not raised")
-
-class ParseActionNestingTest(ParseTestCase):
- # tests Issue #22
- def runTest(self):
-
- vals = pp.OneOrMore(pp.pyparsing_common.integer)("int_values")
- def add_total(tokens):
- tokens['total'] = sum(tokens)
- return tokens
- vals.addParseAction(add_total)
- results = vals.parseString("244 23 13 2343")
- print_(results.dump())
- self.assertEqual(results.int_values.asDict(), {}, "noop parse action changed ParseResults structure")
-
- name = pp.Word(pp.alphas)('name')
- score = pp.Word(pp.nums + '.')('score')
- nameScore = pp.Group(name + score)
- line1 = nameScore('Rider')
-
- result1 = line1.parseString('Mauney 46.5')
-
- print_("### before parse action is added ###")
- print_("result1.dump():\n" + result1.dump() + "\n")
- before_pa_dict = result1.asDict()
-
- line1.setParseAction(lambda t: t)
-
- result1 = line1.parseString('Mauney 46.5')
- after_pa_dict = result1.asDict()
-
- print_("### after parse action was added ###")
- print_("result1.dump():\n" + result1.dump() + "\n")
- self.assertEqual(before_pa_dict, after_pa_dict, "noop parse action changed ParseResults structure")
-
-class ParseResultsNameBelowUngroupedNameTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- rule_num = pp.Regex("[0-9]+")("LIT_NUM*")
- list_num = pp.Group(pp.Literal("[")("START_LIST")
- + pp.delimitedList(rule_num)("LIST_VALUES")
- + pp.Literal("]")("END_LIST"))("LIST")
-
- test_string = "[ 1,2,3,4,5,6 ]"
- list_num.runTests(test_string)
-
- U = list_num.parseString(test_string)
- self.assertTrue("LIT_NUM" not in U.LIST.LIST_VALUES, "results name retained as sub in ungrouped named result")
-
-class ParseResultsNamesInGroupWithDictTest(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- key = pp.pyparsing_common.identifier()
- value = pp.pyparsing_common.integer()
- lat = pp.pyparsing_common.real()
- long = pp.pyparsing_common.real()
- EQ = pp.Suppress('=')
-
- data = lat("lat") + long("long") + pp.Dict(pp.OneOrMore(pp.Group(key + EQ + value)))
- site = pp.QuotedString('"')("name") + pp.Group(data)("data")
-
- test_string = '"Golden Gate Bridge" 37.819722 -122.478611 height=746 span=4200'
- site.runTests(test_string)
-
- # U = list_num.parseString(test_string)
- # self.assertTrue("LIT_NUM" not in U.LIST.LIST_VALUES, "results name retained as sub in ungrouped named result")
-
-class FollowedByTest(ParseTestCase):
- def runTest(self):
- expr = pp.Word(pp.alphas)("item") + pp.FollowedBy(pp.pyparsing_common.integer("qty"))
- result = expr.parseString("balloon 99")
- print_(result.dump())
- self.assertTrue('qty' in result, "failed to capture results name in FollowedBy")
- self.assertEqual(result.asDict(), {'item': 'balloon', 'qty': 99},
- "invalid results name structure from FollowedBy")
-
-class SetBreakTest(ParseTestCase):
- """
- Test behavior of ParserElement.setBreak(), to invoke the debugger before parsing that element is attempted.
-
- Temporarily monkeypatches pdb.set_trace.
- """
- def runTest(self):
- was_called = []
- def mock_set_trace():
- was_called.append(True)
-
- import pyparsing as pp
- wd = pp.Word(pp.alphas)
- wd.setBreak()
-
- print_("Before parsing with setBreak:", was_called)
- import pdb
- with AutoReset(pdb, "set_trace"):
- pdb.set_trace = mock_set_trace
- wd.parseString("ABC")
-
- print_("After parsing with setBreak:", was_called)
- self.assertTrue(bool(was_called), "set_trace wasn't called by setBreak")
-
-class UnicodeTests(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- p_u = pp.pyparsing_unicode
-
- # verify proper merging of ranges by addition
- kanji_printables = p_u.Japanese.Kanji.printables
- katakana_printables = p_u.Japanese.Katakana.printables
- hiragana_printables = p_u.Japanese.Hiragana.printables
- japanese_printables = p_u.Japanese.printables
- self.assertEqual(set(japanese_printables), set(kanji_printables
- + katakana_printables
- + hiragana_printables),
- "failed to construct ranges by merging Japanese types")
-
- # verify proper merging of ranges using multiple inheritance
- cjk_printables = p_u.CJK.printables
- self.assertEqual(len(cjk_printables), len(set(cjk_printables)),
- "CJK contains duplicate characters - all should be unique")
-
- chinese_printables = p_u.Chinese.printables
- korean_printables = p_u.Korean.printables
- print_(len(cjk_printables), len(set(chinese_printables
- + korean_printables
- + japanese_printables)))
-
- self.assertEqual(len(cjk_printables), len(set(chinese_printables
- + korean_printables
- + japanese_printables)),
- "failed to construct ranges by merging Chinese, Japanese and Korean")
-
- alphas = pp.pyparsing_unicode.Greek.alphas
- greet = pp.Word(alphas) + ',' + pp.Word(alphas) + '!'
-
- # input string
- hello = u"Καλημέρα, κόσμε!"
- result = greet.parseString(hello)
- print_(result)
- self.assertTrue(result.asList() == [u'Καλημέρα', ',', u'κόσμε', '!'],
- "Failed to parse Greek 'Hello, World!' using pyparsing_unicode.Greek.alphas")
-
- # define a custom unicode range using multiple inheritance
- class Turkish_set(pp.pyparsing_unicode.Latin1, pp.pyparsing_unicode.LatinA):
- pass
-
- self.assertEqual(set(Turkish_set.printables),
- set(pp.pyparsing_unicode.Latin1.printables
- + pp.pyparsing_unicode.LatinA.printables),
- "failed to construct ranges by merging Latin1 and LatinA (printables)")
-
- self.assertEqual(set(Turkish_set.alphas),
- set(pp.pyparsing_unicode.Latin1.alphas
- + pp.pyparsing_unicode.LatinA.alphas),
- "failed to construct ranges by merging Latin1 and LatinA (alphas)")
-
- self.assertEqual(set(Turkish_set.nums),
- set(pp.pyparsing_unicode.Latin1.nums
- + pp.pyparsing_unicode.LatinA.nums),
- "failed to construct ranges by merging Latin1 and LatinA (nums)")
-
- key = pp.Word(Turkish_set.alphas)
- value = pp.pyparsing_common.integer | pp.Word(Turkish_set.alphas, Turkish_set.alphanums)
- EQ = pp.Suppress('=')
- key_value = key + EQ + value
-
- sample = u"""\
- şehir=İzmir
- ülke=Türkiye
- nüfus=4279677"""
- result = pp.Dict(pp.OneOrMore(pp.Group(key_value))).parseString(sample)
-
- print_(result.asDict())
- self.assertEqual(result.asDict(), {u'şehir': u'İzmir', u'ülke': u'Türkiye', u'nüfus': 4279677},
- "Failed to parse Turkish key-value pairs")
-
-class IndentedBlockTest(ParseTestCase):
- # parse pseudo-yaml indented text
- def runTest(self):
- if pp.ParserElement.packrat_cache:
- print_("cannot test indentedBlock with packrat enabled")
- return
- import textwrap
-
- EQ = pp.Suppress('=')
- stack = [1]
- key = pp.pyparsing_common.identifier
- value = pp.Forward()
- key_value = key + EQ + value
- compound_value = pp.Dict(pp.ungroup(pp.indentedBlock(key_value, stack)))
- value <<= pp.pyparsing_common.integer | pp.QuotedString("'") | compound_value
- parser = pp.Dict(pp.OneOrMore(pp.Group(key_value)))
-
- text = """\
- a = 100
- b = 101
- c =
- c1 = 200
- c2 =
- c21 = 999
- c3 = 'A horse, a horse, my kingdom for a horse'
- d = 505
- """
- text = textwrap.dedent(text)
- print_(text)
-
- result = parser.parseString(text)
- print_(result.dump())
- self.assertEqual(result.a, 100, "invalid indented block result")
- self.assertEqual(result.c.c1, 200, "invalid indented block result")
- self.assertEqual(result.c.c2.c21, 999, "invalid indented block result")
-
-class ParseResultsWithNameMatchFirst(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- expr_a = pp.Literal('not') + pp.Literal('the') + pp.Literal('bird')
- expr_b = pp.Literal('the') + pp.Literal('bird')
- expr = (expr_a | expr_b)('rexp')
- expr.runTests("""\
- not the bird
- the bird
- """)
- self.assertEqual(list(expr.parseString('not the bird')['rexp']), 'not the bird'.split())
- self.assertEqual(list(expr.parseString('the bird')['rexp']), 'the bird'.split())
-
-class ParseResultsWithNameOr(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
- expr_a = pp.Literal('not') + pp.Literal('the') + pp.Literal('bird')
- expr_b = pp.Literal('the') + pp.Literal('bird')
- expr = (expr_a ^ expr_b)('rexp')
- expr.runTests("""\
- not the bird
- the bird
- """)
- self.assertEqual(list(expr.parseString('not the bird')['rexp']), 'not the bird'.split())
- self.assertEqual(list(expr.parseString('the bird')['rexp']), 'the bird'.split())
-
-class EmptyDictDoesNotRaiseException(ParseTestCase):
- def runTest(self):
- import pyparsing as pp
-
- key = pp.Word(pp.alphas)
- value = pp.Word(pp.nums)
- EQ = pp.Suppress('=')
- key_value_dict = pp.dictOf(key, EQ + value)
- try:
- print_(key_value_dict.parseString("""\
- a = 10
- b = 20
- """).dump())
- print_(key_value_dict.parseString("").dump())
- except pp.ParseException:
- pass
- else:
- self.assertTrue(False, "failed to raise exception when matching empty string")
-
-class MiscellaneousParserTests(ParseTestCase):
- def runTest(self):
-
- runtests = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
- if IRON_PYTHON_ENV:
- runtests = "ABCDEGHIJKLMNOPQRSTUVWXYZ"
-
- # test making oneOf with duplicate symbols
- if "A" in runtests:
- print_("verify oneOf handles duplicate symbols")
- try:
- test1 = pp.oneOf("a b c d a")
- except RuntimeError:
- self.assertTrue(False,"still have infinite loop in oneOf with duplicate symbols (string input)")
-
- print_("verify oneOf handles generator input")
- try:
- test1 = pp.oneOf(c for c in "a b c d a" if not c.isspace())
- except RuntimeError:
- self.assertTrue(False,"still have infinite loop in oneOf with duplicate symbols (generator input)")
-
- print_("verify oneOf handles list input")
- try:
- test1 = pp.oneOf("a b c d a".split())
- except RuntimeError:
- self.assertTrue(False,"still have infinite loop in oneOf with duplicate symbols (list input)")
-
- print_("verify oneOf handles set input")
- try:
- test1 = pp.oneOf(set("a b c d a"))
- except RuntimeError:
- self.assertTrue(False,"still have infinite loop in oneOf with duplicate symbols (set input)")
-
- # test MatchFirst bugfix
- if "B" in runtests:
- print_("verify MatchFirst iterates properly")
- results = pp.quotedString.parseString("'this is a single quoted string'")
- self.assertTrue(len(results) > 0, "MatchFirst error - not iterating over all choices")
-
- # verify streamline of subexpressions
- if "C" in runtests:
- print_("verify proper streamline logic")
- compound = pp.Literal("A") + "B" + "C" + "D"
- self.assertEqual(len(compound.exprs), 2,"bad test setup")
- print_(compound)
- compound.streamline()
- print_(compound)
- self.assertEqual(len(compound.exprs), 4,"streamline not working")
-
- # test for Optional with results name and no match
- if "D" in runtests:
- print_("verify Optional's do not cause match failure if have results name")
- testGrammar = pp.Literal("A") + pp.Optional("B")("gotB") + pp.Literal("C")
- try:
- testGrammar.parseString("ABC")
- testGrammar.parseString("AC")
- except pp.ParseException as pe:
- print_(pe.pstr,"->",pe)
- self.assertTrue(False, "error in Optional matching of string %s" % pe.pstr)
-
- # test return of furthest exception
- if "E" in runtests:
- testGrammar = ( pp.Literal("A") |
- ( pp.Optional("B") + pp.Literal("C") ) |
- pp.Literal("D") )
- try:
- testGrammar.parseString("BC")
- testGrammar.parseString("BD")
- except pp.ParseException as pe:
- print_(pe.pstr,"->",pe)
- self.assertEqual(pe.pstr, "BD", "wrong test string failed to parse")
- self.assertEqual(pe.loc, 1, "error in Optional matching, pe.loc="+str(pe.loc))
-
- # test validate
- if "F" in runtests:
- print_("verify behavior of validate()")
- def testValidation( grmr, gnam, isValid ):
- try:
- grmr.streamline()
- grmr.validate()
- self.assertTrue(isValid,"validate() accepted invalid grammar " + gnam)
- except pp.RecursiveGrammarException as e:
- print_(grmr)
- self.assertFalse(isValid, "validate() rejected valid grammar " + gnam)
-
- fwd = pp.Forward()
- g1 = pp.OneOrMore( ( pp.Literal("A") + "B" + "C" ) | fwd )
- g2 = pp.ZeroOrMore("C" + g1)
- fwd << pp.Group(g2)
- testValidation( fwd, "fwd", isValid=True )
-
- fwd2 = pp.Forward()
- fwd2 << pp.Group("A" | fwd2)
- testValidation( fwd2, "fwd2", isValid=False )
-
- fwd3 = pp.Forward()
- fwd3 << pp.Optional("A") + fwd3
- testValidation( fwd3, "fwd3", isValid=False )
-
- # test getName
- if "G" in runtests:
- print_("verify behavior of getName()")
- aaa = pp.Group(pp.Word("a")("A"))
- bbb = pp.Group(pp.Word("b")("B"))
- ccc = pp.Group(":" + pp.Word("c")("C"))
- g1 = "XXX" + pp.ZeroOrMore( aaa | bbb | ccc )
- teststring = "XXX b bb a bbb bbbb aa bbbbb :c bbbbbb aaa"
- names = []
- print_(g1.parseString(teststring).dump())
- for t in g1.parseString(teststring):
- print_(t, repr(t))
- try:
- names.append( t[0].getName() )
- except Exception:
- try:
- names.append( t.getName() )
- except Exception:
- names.append( None )
- print_(teststring)
- print_(names)
- self.assertEqual(names, [None, 'B', 'B', 'A', 'B', 'B', 'A', 'B', None, 'B', 'A'],
- "failure in getting names for tokens")
-
- from pyparsing import Keyword, Word, alphas, OneOrMore
- IF,AND,BUT = map(Keyword, "if and but".split())
- ident = ~(IF | AND | BUT) + Word(alphas)("non-key")
- scanner = OneOrMore(IF | AND | BUT | ident)
- def getNameTester(s,l,t):
- print_(t, t.getName())
- ident.addParseAction(getNameTester)
- scanner.parseString("lsjd sldkjf IF Saslkj AND lsdjf")
-
- # test ParseResults.get() method
- if "H" in runtests:
- print_("verify behavior of ParseResults.get()")
- # use sum() to merge separate groups into single ParseResults
- res = sum(g1.parseString(teststring)[1:])
- print_(res.dump())
- print_(res.get("A","A not found"))
- print_(res.get("D","!D"))
- self.assertEqual(res.get("A","A not found"), "aaa", "get on existing key failed")
- self.assertEqual(res.get("D","!D"), "!D", "get on missing key failed")
-
- if "I" in runtests:
- print_("verify handling of Optional's beyond the end of string")
- testGrammar = "A" + pp.Optional("B") + pp.Optional("C") + pp.Optional("D")
- testGrammar.parseString("A")
- testGrammar.parseString("AB")
-
- # test creating Literal with empty string
- if "J" in runtests:
- print_('verify non-fatal usage of Literal("")')
- e = pp.Literal("")
- try:
- e.parseString("SLJFD")
- except Exception as e:
- self.assertTrue(False, "Failed to handle empty Literal")
-
- # test line() behavior when starting at 0 and the opening line is an \n
- if "K" in runtests:
- print_('verify correct line() behavior when first line is empty string')
- self.assertEqual(pp.line(0, "\nabc\ndef\n"), '', "Error in line() with empty first line in text")
- txt = "\nabc\ndef\n"
- results = [ pp.line(i,txt) for i in range(len(txt)) ]
- self.assertEqual(results, ['', 'abc', 'abc', 'abc', 'abc', 'def', 'def', 'def', 'def'],
- "Error in line() with empty first line in text")
- txt = "abc\ndef\n"
- results = [ pp.line(i,txt) for i in range(len(txt)) ]
- self.assertEqual(results, ['abc', 'abc', 'abc', 'abc', 'def', 'def', 'def', 'def'],
- "Error in line() with non-empty first line in text")
-
- # test bugfix with repeated tokens when packrat parsing enabled
- if "L" in runtests:
- print_('verify behavior with repeated tokens when packrat parsing is enabled')
- a = pp.Literal("a")
- b = pp.Literal("b")
- c = pp.Literal("c")
-
- abb = a + b + b
- abc = a + b + c
- aba = a + b + a
- grammar = abb | abc | aba
-
- self.assertEqual(''.join(grammar.parseString( "aba" )), 'aba', "Packrat ABA failure!")
-
- if "M" in runtests:
- print_('verify behavior of setResultsName with OneOrMore and ZeroOrMore')
-
- stmt = pp.Keyword('test')
- print_(pp.ZeroOrMore(stmt)('tests').parseString('test test').tests)
- print_(pp.OneOrMore(stmt)('tests').parseString('test test').tests)
- print_(pp.Optional(pp.OneOrMore(stmt)('tests')).parseString('test test').tests)
- print_(pp.Optional(pp.OneOrMore(stmt))('tests').parseString('test test').tests)
- print_(pp.Optional(pp.delimitedList(stmt))('tests').parseString('test,test').tests)
- self.assertEqual(len(pp.ZeroOrMore(stmt)('tests').parseString('test test').tests), 2, "ZeroOrMore failure with setResultsName")
- self.assertEqual(len(pp.OneOrMore(stmt)('tests').parseString('test test').tests), 2, "OneOrMore failure with setResultsName")
- self.assertEqual(len(pp.Optional(pp.OneOrMore(stmt)('tests')).parseString('test test').tests), 2, "OneOrMore failure with setResultsName")
- self.assertEqual(len(pp.Optional(pp.delimitedList(stmt))('tests').parseString('test,test').tests), 2, "delimitedList failure with setResultsName")
- self.assertEqual(len((stmt*2)('tests').parseString('test test').tests), 2, "multiplied(1) failure with setResultsName")
- self.assertEqual(len((stmt*(None,2))('tests').parseString('test test').tests), 2, "multiplied(2) failure with setResultsName")
- self.assertEqual(len((stmt*(1,))('tests').parseString('test test').tests), 2, "multipled(3) failure with setResultsName")
- self.assertEqual(len((stmt*(2,))('tests').parseString('test test').tests), 2, "multipled(3) failure with setResultsName")
-
-def makeTestSuite():
- import inspect
- suite = TestSuite()
- suite.addTest( PyparsingTestInit() )
-
- test_case_classes = ParseTestCase.__subclasses__()
- # put classes in order as they are listed in the source code
- test_case_classes.sort(key=lambda cls: inspect.getsourcelines(cls)[1])
-
- test_case_classes.remove(PyparsingTestInit)
- # test_case_classes.remove(ParseASMLTest)
- test_case_classes.remove(EnablePackratParsing)
- if IRON_PYTHON_ENV:
- test_case_classes.remove(OriginalTextForTest)
-
- suite.addTests(T() for T in test_case_classes)
-
- if TEST_USING_PACKRAT:
- # retest using packrat parsing (disable those tests that aren't compatible)
- suite.addTest( EnablePackratParsing() )
-
- unpackrattables = [ PyparsingTestInit, EnablePackratParsing, RepeaterTest, ]
-
- # add tests to test suite a second time, to run with packrat parsing
- # (leaving out those that we know wont work with packrat)
- packratTests = [t.__class__() for t in suite._tests
- if t.__class__ not in unpackrattables]
- suite.addTests( packratTests )
-
- return suite
-
-def makeTestSuiteTemp(classes):
- suite = TestSuite()
- suite.addTest(PyparsingTestInit())
- for cls in classes:
- suite.addTest(cls())
- return suite
-
-if __name__ == '__main__':
-
- testRunner = TextTestRunner()
-
- # run specific tests by including them in this list, otherwise
- # all tests will be run
- testclasses = [
- ]
-
- if not testclasses:
- testRunner.run(makeTestSuite())
- else:
- BUFFER_OUTPUT = False
- testRunner.run(makeTestSuiteTemp(testclasses))
+# -*- coding: utf-8 -*- +# +# unitTests.py +# +# Unit tests for pyparsing module +# +# Copyright 2002-2018, Paul McGuire +# +# +from unittest import TestCase, TestSuite, TextTestRunner +import datetime +from pyparsing import ParseException +import pyparsing as pp + +import sys + +PY_3 = sys.version.startswith('3') +if PY_3: + import builtins + print_ = getattr(builtins, "print") + + # catch calls to builtin print(), should be print_ + def printX(*args, **kwargs): + raise Exception("Test coding error: using print() directly, should use print_()") + globals()['print'] = printX + + from io import StringIO +else: + def _print(*args, **kwargs): + if 'end' in kwargs: + sys.stdout.write(' '.join(map(str,args)) + kwargs['end']) + else: + sys.stdout.write(' '.join(map(str,args)) + '\n') + print_ = _print + from cStringIO import StringIO + + +# see which Python implementation we are running +CPYTHON_ENV = (sys.platform == "win32") +IRON_PYTHON_ENV = (sys.platform == "cli") +JYTHON_ENV = sys.platform.startswith("java") + +TEST_USING_PACKRAT = True +#~ TEST_USING_PACKRAT = False + +VERBOSE = True + +# simple utility for flattening nested lists +def flatten(L): + if type(L) is not list: return [L] + if L == []: return L + return flatten(L[0]) + flatten(L[1:]) + +""" +class ParseTest(TestCase): + def setUp(self): + pass + + def runTest(self): + self.assertTrue(1==1, "we've got bigger problems...") + + def tearDown(self): + pass +""" + +class AutoReset(object): + def __init__(self, *args): + ob = args[0] + attrnames = args[1:] + self.ob = ob + self.save_attrs = attrnames + self.save_values = [getattr(ob, attrname) for attrname in attrnames] + + def __enter__(self): + pass + + def __exit__(self, *args): + for attr, value in zip(self.save_attrs, self.save_values): + setattr(self.ob, attr, value) + +BUFFER_OUTPUT = True + +class ParseTestCase(TestCase): + def __init__(self): + super(ParseTestCase, self).__init__(methodName='_runTest') + + def _runTest(self): + + buffered_stdout = StringIO() + + try: + with AutoReset(sys, 'stdout', 'stderr'): + try: + if BUFFER_OUTPUT: + sys.stdout = buffered_stdout + sys.stderr = buffered_stdout + print_(">>>> Starting test",str(self)) + self.runTest() + + finally: + print_("<<<< End of test",str(self)) + print_() + + except Exception as exc: + if BUFFER_OUTPUT: + print_() + print_(buffered_stdout.getvalue()) + raise + + def runTest(self): + pass + + def __str__(self): + return self.__class__.__name__ + +class PyparsingTestInit(ParseTestCase): + def setUp(self): + from pyparsing import __version__ as pyparsingVersion + print_("Beginning test of pyparsing, version", pyparsingVersion) + print_("Python version", sys.version) + def tearDown(self): + pass + +if 0: + class ParseASMLTest(ParseTestCase): + def runTest(self): + import parseASML + files = [ ("A52759.txt", 2150, True, True, 0.38, 25, "21:47:17", "22:07:32", 235), + ("24141506_P5107RM59_399A1457N1_PHS04", 373,True, True, 0.5, 1, "11:35:25", "11:37:05", 183), + ("24141506_P5107RM59_399A1457N1_PHS04B", 373, True, True, 0.5, 1, "01:02:54", "01:04:49", 186), + ("24157800_P5107RM74_399A1828M1_PHS04", 1141, True, False, 0.5, 13, "00:00:54", "23:59:48", 154) ] + for testFile,numToks,trkInpUsed,trkOutpUsed,maxDelta,numWafers,minProcBeg,maxProcEnd,maxLevStatsIV in files: + print_("Parsing",testFile,"...", end=' ') + #~ text = "\n".join( [ line for line in file(testFile) ] ) + #~ results = parseASML.BNF().parseString( text ) + results = parseASML.BNF().parseFile( testFile ) + #~ pprint.pprint( results.asList() ) + #~ pprint.pprint( results.batchData.asList() ) + #~ print results.batchData.keys() + + allToks = flatten( results.asList() ) + self.assertTrue(len(allToks) == numToks, + "wrong number of tokens parsed (%s), got %d, expected %d" % (testFile, len(allToks),numToks)) + self.assertTrue(results.batchData.trackInputUsed == trkInpUsed, "error evaluating results.batchData.trackInputUsed") + self.assertTrue(results.batchData.trackOutputUsed == trkOutpUsed, "error evaluating results.batchData.trackOutputUsed") + self.assertTrue(results.batchData.maxDelta == maxDelta,"error evaluating results.batchData.maxDelta") + self.assertTrue(len(results.waferData) == numWafers, "did not read correct number of wafers") + self.assertTrue(min([wd.procBegin for wd in results.waferData]) == minProcBeg, "error reading waferData.procBegin") + self.assertTrue(max([results.waferData[k].procEnd for k in range(len(results.waferData))]) == maxProcEnd, "error reading waferData.procEnd") + self.assertTrue(sum(results.levelStatsIV['MAX']) == maxLevStatsIV, "error reading levelStatsIV") + self.assertTrue(sum(results.levelStatsIV.MAX) == maxLevStatsIV, "error reading levelStatsIV") + print_("OK") + print_(testFile,len(allToks)) + #~ print "results.batchData.trackInputUsed =",results.batchData.trackInputUsed + #~ print "results.batchData.trackOutputUsed =",results.batchData.trackOutputUsed + #~ print "results.batchData.maxDelta =",results.batchData.maxDelta + #~ print len(results.waferData)," wafers" + #~ print min([wd.procBegin for wd in results.waferData]) + #~ print max([results.waferData[k].procEnd for k in range(len(results.waferData))]) + #~ print sum(results.levelStatsIV['MAX.']) + + +class ParseFourFnTest(ParseTestCase): + def runTest(self): + import examples.fourFn as fourFn + def test(s,ans): + fourFn.exprStack = [] + results = fourFn.BNF().parseString( s ) + resultValue = fourFn.evaluateStack( fourFn.exprStack ) + self.assertTrue(resultValue == ans, "failed to evaluate %s, got %f" % ( s, resultValue )) + print_(s, "->", resultValue) + + from math import pi,exp + e = exp(1) + + test( "9", 9 ) + test( "9 + 3 + 6", 18 ) + test( "9 + 3 / 11", 9.0+3.0/11.0) + test( "(9 + 3)", 12 ) + test( "(9+3) / 11", (9.0+3.0)/11.0 ) + test( "9 - (12 - 6)", 3) + test( "2*3.14159", 6.28318) + test( "3.1415926535*3.1415926535 / 10", 3.1415926535*3.1415926535/10.0 ) + test( "PI * PI / 10", pi*pi/10.0 ) + test( "PI*PI/10", pi*pi/10.0 ) + test( "6.02E23 * 8.048", 6.02E23 * 8.048 ) + test( "e / 3", e/3.0 ) + test( "sin(PI/2)", 1.0 ) + test( "trunc(E)", 2.0 ) + test( "E^PI", e**pi ) + test( "2^3^2", 2**3**2) + test( "2^3+2", 2**3+2) + test( "2^9", 2**9 ) + test( "sgn(-2)", -1 ) + test( "sgn(0)", 0 ) + test( "sgn(0.1)", 1 ) + +class ParseSQLTest(ParseTestCase): + def runTest(self): + import examples.simpleSQL as simpleSQL + + def test(s, numToks, errloc=-1): + try: + sqlToks = flatten(simpleSQL.simpleSQL.parseString(s).asList()) + print_(s,sqlToks,len(sqlToks)) + self.assertEqual(len(sqlToks), numToks, + "invalid parsed tokens, expected {}, found {} ({})".format(numToks, + len(sqlToks), + sqlToks)) + except ParseException as e: + if errloc >= 0: + self.assertEqual(e.loc, errloc, "expected error at {}, found at {}".format(errloc, e.loc)) + + test( "SELECT * from XYZZY, ABC", 6 ) + test( "select * from SYS.XYZZY", 5 ) + test( "Select A from Sys.dual", 5 ) + test( "Select A,B,C from Sys.dual", 7 ) + test( "Select A, B, C from Sys.dual", 7 ) + test( "Select A, B, C from Sys.dual, Table2 ", 8 ) + test( "Xelect A, B, C from Sys.dual", 0, 0 ) + test( "Select A, B, C frox Sys.dual", 0, 15 ) + test( "Select", 0, 6 ) + test( "Select &&& frox Sys.dual", 0, 7 ) + test( "Select A from Sys.dual where a in ('RED','GREEN','BLUE')", 12 ) + test( "Select A from Sys.dual where a in ('RED','GREEN','BLUE') and b in (10,20,30)", 20 ) + test( "Select A,b from table1,table2 where table1.id eq table2.id -- test out comparison operators", 10 ) + +class ParseConfigFileTest(ParseTestCase): + def runTest(self): + from examples import configParse + + def test(fnam,numToks,resCheckList): + print_("Parsing",fnam,"...", end=' ') + with open(fnam) as infile: + iniFileLines = "\n".join(infile.read().splitlines()) + iniData = configParse.inifile_BNF().parseString( iniFileLines ) + print_(len(flatten(iniData.asList()))) + #~ pprint.pprint( iniData.asList() ) + #~ pprint.pprint( repr(iniData) ) + #~ print len(iniData), len(flatten(iniData.asList())) + print_(list(iniData.keys())) + #~ print iniData.users.keys() + #~ print + self.assertEqual(len(flatten(iniData.asList())), numToks, "file %s not parsed correctly" % fnam) + for chk in resCheckList: + var = iniData + for attr in chk[0].split('.'): + var = getattr(var, attr) + print_(chk[0], var, chk[1]) + self.assertEqual(var, chk[1], + "ParseConfigFileTest: failed to parse ini {!r} as expected {}, found {}".format(chk[0], + chk[1], + var)) + print_("OK") + + test("test/karthik.ini", 23, + [ ("users.K","8"), + ("users.mod_scheme","'QPSK'"), + ("users.Na", "K+2") ] + ) + test("examples/Setup.ini", 125, + [ ("Startup.audioinf", "M3i"), + ("Languages.key1", "0x0003"), + ("test.foo","bar") ] ) + +class ParseJSONDataTest(ParseTestCase): + def runTest(self): + from examples.jsonParser import jsonObject + from test.jsonParserTests import test1,test2,test3,test4,test5 + from test.jsonParserTests import test1,test2,test3,test4,test5 + + expected = [ + [], + [], + [], + [], + [], + ] + + for t,exp in zip((test1,test2,test3,test4,test5),expected): + result = jsonObject.parseString(t) +## print result.dump() + result.pprint() + print_() +## if result.asList() != exp: +## print "Expected %s, parsed results as %s" % (exp, result.asList()) + +class ParseCommaSeparatedValuesTest(ParseTestCase): + def runTest(self): + from pyparsing import commaSeparatedList + + testData = [ + "a,b,c,100.2,,3", + "d, e, j k , m ", + "'Hello, World', f, g , , 5.1,x", + "John Doe, 123 Main St., Cleveland, Ohio", + "Jane Doe, 456 St. James St., Los Angeles , California ", + "", + ] + testVals = [ + [ (3,'100.2'), (4,''), (5, '3') ], + [ (2, 'j k'), (3, 'm') ], + [ (0, "'Hello, World'"), (2, 'g'), (3, '') ], + [ (0,'John Doe'), (1, '123 Main St.'), (2, 'Cleveland'), (3, 'Ohio') ], + [ (0,'Jane Doe'), (1, '456 St. James St.'), (2, 'Los Angeles'), (3, 'California') ] + ] + for line,tests in zip(testData, testVals): + print_("Parsing: \""+line+"\" ->", end=' ') + results = commaSeparatedList.parseString(line) + print_(results.asList()) + for t in tests: + if not(len(results)>t[0] and results[t[0]] == t[1]): + print_("$$$", results.dump()) + print_("$$$", results[0]) + self.assertTrue(len(results)>t[0] and results[t[0]] == t[1], + "failed on %s, item %d s/b '%s', got '%s'" % (line, t[0], t[1], str(results.asList()))) + +class ParseEBNFTest(ParseTestCase): + def runTest(self): + from examples import ebnf + from pyparsing import Word, quotedString, alphas, nums + + print_('Constructing EBNF parser with pyparsing...') + + grammar = ''' + syntax = (syntax_rule), {(syntax_rule)}; + syntax_rule = meta_identifier, '=', definitions_list, ';'; + definitions_list = single_definition, {'|', single_definition}; + single_definition = syntactic_term, {',', syntactic_term}; + syntactic_term = syntactic_factor,['-', syntactic_factor]; + syntactic_factor = [integer, '*'], syntactic_primary; + syntactic_primary = optional_sequence | repeated_sequence | + grouped_sequence | meta_identifier | terminal_string; + optional_sequence = '[', definitions_list, ']'; + repeated_sequence = '{', definitions_list, '}'; + grouped_sequence = '(', definitions_list, ')'; + (* + terminal_string = "'", character - "'", {character - "'"}, "'" | + '"', character - '"', {character - '"'}, '"'; + meta_identifier = letter, {letter | digit}; + integer = digit, {digit}; + *) + ''' + + table = {} + table['terminal_string'] = quotedString + table['meta_identifier'] = Word(alphas+"_", alphas+"_"+nums) + table['integer'] = Word(nums) + + print_('Parsing EBNF grammar with EBNF parser...') + parsers = ebnf.parse(grammar, table) + ebnf_parser = parsers['syntax'] + #~ print ",\n ".join( str(parsers.keys()).split(", ") ) + print_("-","\n- ".join( list(parsers.keys()) )) + self.assertEqual(len(list(parsers.keys())), 13, "failed to construct syntax grammar") + + print_('Parsing EBNF grammar with generated EBNF parser...') + parsed_chars = ebnf_parser.parseString(grammar) + parsed_char_len = len(parsed_chars) + + print_("],\n".join(str( parsed_chars.asList() ).split("],"))) + self.assertEqual(len(flatten(parsed_chars.asList())), 98, "failed to tokenize grammar correctly") + + +class ParseIDLTest(ParseTestCase): + def runTest(self): + from examples import idlParse + + def test( strng, numToks, errloc=0 ): + print_(strng) + try: + bnf = idlParse.CORBA_IDL_BNF() + tokens = bnf.parseString( strng ) + print_("tokens = ") + tokens.pprint() + tokens = flatten( tokens.asList() ) + print_(len(tokens)) + self.assertEqual(len(tokens), numToks, "error matching IDL string, %s -> %s" % (strng, str(tokens))) + except ParseException as err: + print_(err.line) + print_(" "*(err.column-1) + "^") + print_(err) + self.assertEqual(numToks, 0, "unexpected ParseException while parsing %s, %s" % (strng, str(err))) + self.assertEqual(err.loc, errloc, + "expected ParseException at %d, found exception at %d" % (errloc, err.loc)) + + test( + """ + /* + * a block comment * + */ + typedef string[10] tenStrings; + typedef sequence<string> stringSeq; + typedef sequence< sequence<string> > stringSeqSeq; + + interface QoSAdmin { + stringSeq method1( in string arg1, inout long arg2 ); + stringSeqSeq method2( in string arg1, inout long arg2, inout long arg3); + string method3(); + }; + """, 59 + ) + test( + """ + /* + * a block comment * + */ + typedef string[10] tenStrings; + typedef + /** ** *** **** * + * a block comment * + */ + sequence<string> /*comment inside an And */ stringSeq; + /* */ /**/ /***/ /****/ + typedef sequence< sequence<string> > stringSeqSeq; + + interface QoSAdmin { + stringSeq method1( in string arg1, inout long arg2 ); + stringSeqSeq method2( in string arg1, inout long arg2, inout long arg3); + string method3(); + }; + """, 59 + ) + test( + r""" + const string test="Test String\n"; + const long a = 0; + const long b = -100; + const float c = 3.14159; + const long d = 0x007f7f7f; + exception TestException + { + string msg; + sequence<string> dataStrings; + }; + + interface TestInterface + { + void method1( in string arg1, inout long arg2 ); + }; + """, 60 + ) + test( + """ + module Test1 + { + exception TestException + { + string msg; + ]; + + interface TestInterface + { + void method1( in string arg1, inout long arg2 ) + raises ( TestException ); + }; + }; + """, 0, 56 + ) + test( + """ + module Test1 + { + exception TestException + { + string msg; + }; + + }; + """, 13 + ) + +class ParseVerilogTest(ParseTestCase): + def runTest(self): + pass + +class RunExamplesTest(ParseTestCase): + def runTest(self): + pass + +class ScanStringTest(ParseTestCase): + def runTest(self): + from pyparsing import Word, Combine, Suppress, CharsNotIn, nums, StringEnd + testdata = """ + <table border="0" cellpadding="3" cellspacing="3" frame="" width="90%"> + <tr align="left" valign="top"> + <td><b>Name</b></td> + <td><b>IP Address</b></td> + <td><b>Location</b></td> + </tr> + <tr align="left" valign="top" bgcolor="#c7efce"> + <td>time-a.nist.gov</td> + <td>129.6.15.28</td> + <td>NIST, Gaithersburg, Maryland</td> + </tr> + <tr align="left" valign="top"> + <td>time-b.nist.gov</td> + <td>129.6.15.29</td> + <td>NIST, Gaithersburg, Maryland</td> + </tr> + <tr align="left" valign="top" bgcolor="#c7efce"> + <td>time-a.timefreq.bldrdoc.gov</td> + <td>132.163.4.101</td> + <td>NIST, Boulder, Colorado</td> + </tr> + <tr align="left" valign="top"> + <td>time-b.timefreq.bldrdoc.gov</td> + <td>132.163.4.102</td> + <td>NIST, Boulder, Colorado</td> + </tr> + <tr align="left" valign="top" bgcolor="#c7efce"> + <td>time-c.timefreq.bldrdoc.gov</td> + <td>132.163.4.103</td> + <td>NIST, Boulder, Colorado</td> + </tr> + </table> + """ + integer = Word(nums) + ipAddress = Combine( integer + "." + integer + "." + integer + "." + integer ) + tdStart = Suppress("<td>") + tdEnd = Suppress("</td>") + timeServerPattern = (tdStart + ipAddress("ipAddr") + tdEnd + + tdStart + CharsNotIn("<")("loc") + tdEnd) + servers = [srvr.ipAddr for srvr,startloc,endloc in timeServerPattern.scanString( testdata )] + + print_(servers) + self.assertEqual(servers, + ['129.6.15.28', '129.6.15.29', '132.163.4.101', '132.163.4.102', '132.163.4.103'], + "failed scanString()") + + # test for stringEnd detection in scanString + foundStringEnds = [ r for r in StringEnd().scanString("xyzzy") ] + print_(foundStringEnds) + self.assertTrue(foundStringEnds, "Failed to find StringEnd in scanString") + +class QuotedStringsTest(ParseTestCase): + def runTest(self): + from pyparsing import sglQuotedString,dblQuotedString,quotedString,QuotedString + testData = \ + """ + 'a valid single quoted string' + 'an invalid single quoted string + because it spans lines' + "a valid double quoted string" + "an invalid double quoted string + because it spans lines" + """ + print_(testData) + + sglStrings = [(t[0],b,e) for (t,b,e) in sglQuotedString.scanString(testData)] + print_(sglStrings) + self.assertTrue(len(sglStrings) == 1 and (sglStrings[0][1] == 17 and sglStrings[0][2] == 47), + "single quoted string failure") + + dblStrings = [(t[0],b,e) for (t,b,e) in dblQuotedString.scanString(testData)] + print_(dblStrings) + self.assertTrue(len(dblStrings) == 1 and (dblStrings[0][1] == 154 and dblStrings[0][2] == 184), + "double quoted string failure") + + allStrings = [(t[0],b,e) for (t,b,e) in quotedString.scanString(testData)] + print_(allStrings) + self.assertTrue(len(allStrings) == 2 + and (allStrings[0][1] == 17 + and allStrings[0][2] == 47) + and (allStrings[1][1] == 154 + and allStrings[1][2] == 184), + "quoted string failure") + + escapedQuoteTest = \ + r""" + 'This string has an escaped (\') quote character' + "This string has an escaped (\") quote character" + """ + + sglStrings = [(t[0],b,e) for (t,b,e) in sglQuotedString.scanString(escapedQuoteTest)] + print_(sglStrings) + self.assertTrue(len(sglStrings) == 1 and (sglStrings[0][1]==17 and sglStrings[0][2]==66), + "single quoted string escaped quote failure (%s)" % str(sglStrings[0])) + + dblStrings = [(t[0],b,e) for (t,b,e) in dblQuotedString.scanString(escapedQuoteTest)] + print_(dblStrings) + self.assertTrue(len(dblStrings) == 1 and (dblStrings[0][1]==83 and dblStrings[0][2]==132), + "double quoted string escaped quote failure (%s)" % str(dblStrings[0])) + + allStrings = [(t[0],b,e) for (t,b,e) in quotedString.scanString(escapedQuoteTest)] + print_(allStrings) + self.assertTrue(len(allStrings) == 2 + and (allStrings[0][1] == 17 + and allStrings[0][2] == 66 + and allStrings[1][1] == 83 + and allStrings[1][2] == 132), + "quoted string escaped quote failure (%s)" % ([str(s[0]) for s in allStrings])) + + dblQuoteTest = \ + r""" + 'This string has an doubled ('') quote character' + "This string has an doubled ("") quote character" + """ + sglStrings = [(t[0],b,e) for (t,b,e) in sglQuotedString.scanString(dblQuoteTest)] + print_(sglStrings) + self.assertTrue(len(sglStrings) == 1 and (sglStrings[0][1]==17 and sglStrings[0][2]==66), + "single quoted string escaped quote failure (%s)" % str(sglStrings[0])) + dblStrings = [(t[0],b,e) for (t,b,e) in dblQuotedString.scanString(dblQuoteTest)] + print_(dblStrings) + self.assertTrue(len(dblStrings) == 1 and (dblStrings[0][1]==83 and dblStrings[0][2]==132), + "double quoted string escaped quote failure (%s)" % str(dblStrings[0])) + allStrings = [(t[0],b,e) for (t,b,e) in quotedString.scanString(dblQuoteTest)] + print_(allStrings) + self.assertTrue(len(allStrings) == 2 + and (allStrings[0][1] == 17 + and allStrings[0][2] == 66 + and allStrings[1][1] == 83 + and allStrings[1][2] == 132), + "quoted string escaped quote failure (%s)" % ([str(s[0]) for s in allStrings])) + + print_("testing catastrophic RE backtracking in implementation of dblQuotedString") + for expr, test_string in [ + (dblQuotedString, '"' + '\\xff' * 500), + (sglQuotedString, "'" + '\\xff' * 500), + (quotedString, '"' + '\\xff' * 500), + (quotedString, "'" + '\\xff' * 500), + (QuotedString('"'), '"' + '\\xff' * 500), + (QuotedString("'"), "'" + '\\xff' * 500), + ]: + expr.parseString(test_string+test_string[0]) + try: + expr.parseString(test_string) + except Exception: + continue + +class CaselessOneOfTest(ParseTestCase): + def runTest(self): + from pyparsing import oneOf,ZeroOrMore + + caseless1 = oneOf("d a b c aA B A C", caseless=True) + caseless1str = str( caseless1 ) + print_(caseless1str) + caseless2 = oneOf("d a b c Aa B A C", caseless=True) + caseless2str = str( caseless2 ) + print_(caseless2str) + self.assertEqual(caseless1str.upper(), caseless2str.upper(), "oneOf not handling caseless option properly") + self.assertNotEqual(caseless1str, caseless2str, "Caseless option properly sorted") + + res = ZeroOrMore(caseless1).parseString("AAaaAaaA") + print_(res) + self.assertEqual(len(res), 4, "caseless1 oneOf failed") + self.assertEqual("".join(res), "aA"*4,"caseless1 CaselessLiteral return failed") + + res = ZeroOrMore(caseless2).parseString("AAaaAaaA") + print_(res) + self.assertEqual(len(res), 4, "caseless2 oneOf failed") + self.assertEqual("".join(res), "Aa"*4,"caseless1 CaselessLiteral return failed") + + +class AsXMLTest(ParseTestCase): + def runTest(self): + + # test asXML() + + aaa = pp.Word("a")("A") + bbb = pp.Group(pp.Word("b"))("B") + ccc = pp.Combine(":" + pp.Word("c"))("C") + g1 = "XXX>&<" + pp.ZeroOrMore( aaa | bbb | ccc ) + teststring = "XXX>&< b b a b b a b :c b a" + #~ print teststring + print_("test including all items") + xml = g1.parseString(teststring).asXML("TEST",namedItemsOnly=False) + assert xml=="\n".join(["", + "<TEST>", + " <ITEM>XXX>&<</ITEM>", + " <B>", + " <ITEM>b</ITEM>", + " </B>", + " <B>", + " <ITEM>b</ITEM>", + " </B>", + " <A>a</A>", + " <B>", + " <ITEM>b</ITEM>", + " </B>", + " <B>", + " <ITEM>b</ITEM>", + " </B>", + " <A>a</A>", + " <B>", + " <ITEM>b</ITEM>", + " </B>", + " <C>:c</C>", + " <B>", + " <ITEM>b</ITEM>", + " </B>", + " <A>a</A>", + "</TEST>", + ] ), \ + "failed to generate XML correctly showing all items: \n[" + xml + "]" + print_("test filtering unnamed items") + xml = g1.parseString(teststring).asXML("TEST",namedItemsOnly=True) + assert xml=="\n".join(["", + "<TEST>", + " <B>", + " <ITEM>b</ITEM>", + " </B>", + " <B>", + " <ITEM>b</ITEM>", + " </B>", + " <A>a</A>", + " <B>", + " <ITEM>b</ITEM>", + " </B>", + " <B>", + " <ITEM>b</ITEM>", + " </B>", + " <A>a</A>", + " <B>", + " <ITEM>b</ITEM>", + " </B>", + " <C>:c</C>", + " <B>", + " <ITEM>b</ITEM>", + " </B>", + " <A>a</A>", + "</TEST>", + ] ), \ + "failed to generate XML correctly, filtering unnamed items: " + xml + +class AsXMLTest2(ParseTestCase): + def runTest(self): + from pyparsing import Suppress,Optional,CharsNotIn,Combine,ZeroOrMore,Word,\ + Group,Literal,alphas,alphanums,delimitedList,OneOrMore + + EndOfLine = Word("\n").setParseAction(lambda s,l,t: [' ']) + whiteSpace=Word('\t ') + Mexpr = Suppress(Optional(whiteSpace)) + CharsNotIn('\\"\t \n') + Optional(" ") + \ + Suppress(Optional(whiteSpace)) + reducedString = Combine(Mexpr + ZeroOrMore(EndOfLine + Mexpr)) + _bslash = "\\" + _escapables = "tnrfbacdeghijklmopqsuvwxyz" + _bslash + "'" + '"' + _octDigits = "01234567" + _escapedChar = ( Word( _bslash, _escapables, exact=2 ) | + Word( _bslash, _octDigits, min=2, max=4 ) ) + _sglQuote = Literal("'") + _dblQuote = Literal('"') + QuotedReducedString = Combine( Suppress(_dblQuote) + ZeroOrMore( reducedString | + _escapedChar ) + \ + Suppress(_dblQuote )).streamline() + + Manifest_string = QuotedReducedString('manifest_string') + + Identifier = Word( alphas, alphanums+ '_$' )("identifier") + Index_string = CharsNotIn('\\";\n') + Index_string.setName('index_string') + Index_term_list = ( + Group(delimitedList(Manifest_string, delim=',')) | \ + Index_string + )('value') + + IndexKey = Identifier('key') + IndexKey.setName('key') + Index_clause = Group(IndexKey + Suppress(':') + Optional(Index_term_list)) + Index_clause.setName('index_clause') + Index_list = Index_clause('index') + Index_list.setName('index_list') + Index_block = Group('indexing' + Group(OneOrMore(Index_list + Suppress(';'))))('indexes') + + +class CommentParserTest(ParseTestCase): + def runTest(self): + + print_("verify processing of C and HTML comments") + testdata = """ + /* */ + /** **/ + /**/ + /***/ + /****/ + /* /*/ + /** /*/ + /*** /*/ + /* + ablsjdflj + */ + """ + foundLines = [ pp.lineno(s,testdata) + for t,s,e in pp.cStyleComment.scanString(testdata) ] + self.assertEqual(foundLines, list(range(11))[2:],"only found C comments on lines "+str(foundLines)) + testdata = """ + <!-- --> + <!--- ---> + <!----> + <!-----> + <!------> + <!-- /--> + <!--- /--> + <!---- /--> + <!---- /- -> + <!---- / -- > + <!-- + ablsjdflj + --> + """ + foundLines = [ pp.lineno(s,testdata) + for t,s,e in pp.htmlComment.scanString(testdata) ] + self.assertEqual(foundLines, list(range(11))[2:],"only found HTML comments on lines "+str(foundLines)) + + # test C++ single line comments that have line terminated with '\' (should continue comment to following line) + testSource = r""" + // comment1 + // comment2 \ + still comment 2 + // comment 3 + """ + self.assertEqual(len(pp.cppStyleComment.searchString(testSource)[1][0]), 41, + r"failed to match single-line comment with '\' at EOL") + +class ParseExpressionResultsTest(ParseTestCase): + def runTest(self): + from pyparsing import Word,alphas,OneOrMore,Optional,Group + + a = Word("a",alphas).setName("A") + b = Word("b",alphas).setName("B") + c = Word("c",alphas).setName("C") + ab = (a + b).setName("AB") + abc = (ab + c).setName("ABC") + word = Word(alphas).setName("word") + + #~ words = OneOrMore(word).setName("words") + words = Group(OneOrMore(~a + word)).setName("words") + + #~ phrase = words.setResultsName("Head") + \ + #~ ( abc ^ ab ^ a ).setResultsName("ABC") + \ + #~ words.setResultsName("Tail") + #~ phrase = words.setResultsName("Head") + \ + #~ ( abc | ab | a ).setResultsName("ABC") + \ + #~ words.setResultsName("Tail") + phrase = words("Head") + \ + Group( a + Optional(b + Optional(c)) )("ABC") + \ + words("Tail") + + results = phrase.parseString("xavier yeti alpha beta charlie will beaver") + print_(results,results.Head, results.ABC,results.Tail) + for key,ln in [("Head",2), ("ABC",3), ("Tail",2)]: + self.assertEqual(len(results[key]), ln, + "expected %d elements in %s, found %s" % (ln, key, str(results[key]))) + + +class ParseKeywordTest(ParseTestCase): + def runTest(self): + from pyparsing import Literal,Keyword + + kw = Keyword("if") + lit = Literal("if") + + def test(s,litShouldPass,kwShouldPass): + print_("Test",s) + print_("Match Literal", end=' ') + try: + print_(lit.parseString(s)) + except Exception: + print_("failed") + if litShouldPass: + self.assertTrue(False, "Literal failed to match %s, should have" % s) + else: + if not litShouldPass: + self.assertTrue(False, "Literal matched %s, should not have" % s) + + print_("Match Keyword", end=' ') + try: + print_(kw.parseString(s)) + except Exception: + print_("failed") + if kwShouldPass: + self.assertTrue(False, "Keyword failed to match %s, should have" % s) + else: + if not kwShouldPass: + self.assertTrue(False, "Keyword matched %s, should not have" % s) + + test("ifOnlyIfOnly", True, False) + test("if(OnlyIfOnly)", True, True) + test("if (OnlyIf Only)", True, True) + + kw = Keyword("if",caseless=True) + + test("IFOnlyIfOnly", False, False) + test("If(OnlyIfOnly)", False, True) + test("iF (OnlyIf Only)", False, True) + + + +class ParseExpressionResultsAccumulateTest(ParseTestCase): + def runTest(self): + from pyparsing import Word,delimitedList,Combine,alphas,nums + + num=Word(nums).setName("num")("base10*") + hexnum=Combine("0x"+ Word(nums)).setName("hexnum")("hex*") + name = Word(alphas).setName("word")("word*") + list_of_num=delimitedList( hexnum | num | name, "," ) + + tokens = list_of_num.parseString('1, 0x2, 3, 0x4, aaa') + for k,llen,lst in ( ("base10",2,['1','3']), + ("hex",2,['0x2','0x4']), + ("word",1,['aaa']) ): + print_(k,tokens[k]) + self.assertEqual(len(tokens[k]), llen, "Wrong length for key %s, %s" % (k,str(tokens[k].asList()))) + self.assertEqual(lst, tokens[k].asList(), + "Incorrect list returned for key %s, %s" % (k,str(tokens[k].asList()))) + self.assertEqual(tokens.base10.asList(), ['1','3'], + "Incorrect list for attribute base10, %s" % str(tokens.base10.asList())) + self.assertEqual(tokens.hex.asList(), ['0x2','0x4'], + "Incorrect list for attribute hex, %s" % str(tokens.hex.asList())) + self.assertEqual(tokens.word.asList(), ['aaa'], + "Incorrect list for attribute word, %s" % str(tokens.word.asList())) + + from pyparsing import Literal, Word, nums, Group, Dict, alphas, \ + quotedString, oneOf, delimitedList, removeQuotes, alphanums + + lbrack = Literal("(").suppress() + rbrack = Literal(")").suppress() + integer = Word( nums ).setName("int") + variable = Word( alphas, max=1 ).setName("variable") + relation_body_item = variable | integer | quotedString.copy().setParseAction(removeQuotes) + relation_name = Word( alphas+"_", alphanums+"_" ) + relation_body = lbrack + Group(delimitedList(relation_body_item)) + rbrack + Goal = Dict(Group( relation_name + relation_body )) + Comparison_Predicate = Group(variable + oneOf("< >") + integer)("pred*") + Query = Goal("head") + ":-" + delimitedList(Goal | Comparison_Predicate) + + test="""Q(x,y,z):-Bloo(x,"Mitsis",y),Foo(y,z,1243),y>28,x<12,x>3""" + + queryRes = Query.parseString(test) + print_("pred",queryRes.pred) + self.assertEqual(queryRes.pred.asList(), [['y', '>', '28'], ['x', '<', '12'], ['x', '>', '3']], + "Incorrect list for attribute pred, %s" % str(queryRes.pred.asList())) + print_(queryRes.dump()) + +class ReStringRangeTest(ParseTestCase): + def runTest(self): + testCases = ( + (r"[A-Z]"), + (r"[A-A]"), + (r"[A-Za-z]"), + (r"[A-z]"), + (r"[\ -\~]"), + (r"[\0x20-0]"), + (r"[\0x21-\0x7E]"), + (r"[\0xa1-\0xfe]"), + (r"[\040-0]"), + (r"[A-Za-z0-9]"), + (r"[A-Za-z0-9_]"), + (r"[A-Za-z0-9_$]"), + (r"[A-Za-z0-9_$\-]"), + (r"[^0-9\\]"), + (r"[a-zA-Z]"), + (r"[/\^~]"), + (r"[=\+\-!]"), + (r"[A-]"), + (r"[-A]"), + (r"[\x21]"), + #(r"[а-яА-ЯёЁA-Z$_\041α-ω]".decode('utf-8')), + (u'[\u0430-\u044f\u0410-\u042f\u0451\u0401ABCDEFGHIJKLMNOPQRSTUVWXYZ$_\041\u03b1-\u03c9]'), + ) + expectedResults = ( + "ABCDEFGHIJKLMNOPQRSTUVWXYZ", + "A", + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz", + "ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz", + " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~", + " !\"#$%&'()*+,-./0", + "!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~", + #~ "¡¢£¤¥¦§¨©ª«¬®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþ", + u'\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe', + " !\"#$%&'()*+,-./0", + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789", + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_", + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_$", + "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_$-", + "0123456789\\", + "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ", + "/^~", + "=+-!", + "A-", + "-A", + "!", + u"абвгдежзийклмнопрстуфхцчшщъыьэюяАБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯёЁABCDEFGHIJKLMNOPQRSTUVWXYZ$_!αβγδεζηθικλμνξοπρςστυφχψω", + ) + for test in zip( testCases, expectedResults ): + t,exp = test + res = pp.srange(t) + #print_(t,"->",res) + self.assertEqual(res, exp, "srange error, srange(%r)->'%r', expected '%r'" % (t, res, exp)) + +class SkipToParserTests(ParseTestCase): + def runTest(self): + + from pyparsing import Literal, SkipTo, cStyleComment, ParseBaseException + + thingToFind = Literal('working') + testExpr = SkipTo(Literal(';'), include=True, ignore=cStyleComment) + thingToFind + + def tryToParse (someText, fail_expected=False): + try: + print_(testExpr.parseString(someText)) + self.assertFalse(fail_expected, "expected failure but no exception raised") + except Exception as e: + print_("Exception %s while parsing string %s" % (e,repr(someText))) + self.assertTrue(fail_expected and isinstance(e,ParseBaseException), + "Exception %s while parsing string %s" % (e,repr(someText))) + + # This first test works, as the SkipTo expression is immediately following the ignore expression (cStyleComment) + tryToParse('some text /* comment with ; in */; working') + # This second test previously failed, as there is text following the ignore expression, and before the SkipTo expression. + tryToParse('some text /* comment with ; in */some other stuff; working') + + # tests for optional failOn argument + testExpr = SkipTo(Literal(';'), include=True, ignore=cStyleComment, failOn='other') + thingToFind + tryToParse('some text /* comment with ; in */; working') + tryToParse('some text /* comment with ; in */some other stuff; working', fail_expected=True) + + # test that we correctly create named results + text = "prefixDATAsuffix" + data = Literal("DATA") + suffix = Literal("suffix") + expr = SkipTo(data + suffix)('prefix') + data + suffix + result = expr.parseString(text) + self.assertTrue(isinstance(result.prefix, str), "SkipTo created with wrong saveAsList attribute") + +class CustomQuotesTest(ParseTestCase): + def runTest(self): + from pyparsing import QuotedString + + testString = r""" + sdlfjs :sdf\:jls::djf: sl:kfsjf + sdlfjs -sdf\:jls::--djf: sl-kfsjf + sdlfjs -sdf\:::jls::--djf: sl:::-kfsjf + sdlfjs ^sdf\:jls^^--djf^ sl-kfsjf + sdlfjs ^^^==sdf\:j=lz::--djf: sl=^^=kfsjf + sdlfjs ==sdf\:j=ls::--djf: sl==kfsjf^^^ + """ + colonQuotes = QuotedString(':','\\','::') + dashQuotes = QuotedString('-','\\', '--') + hatQuotes = QuotedString('^','\\') + hatQuotes1 = QuotedString('^','\\','^^') + dblEqQuotes = QuotedString('==','\\') + + def test(quoteExpr, expected): + print_(quoteExpr.pattern) + print_(quoteExpr.searchString(testString)) + print_(quoteExpr.searchString(testString)[0][0]) + print_(expected) + self.assertEqual(quoteExpr.searchString(testString)[0][0], + expected, + "failed to match %s, expected '%s', got '%s'" % (quoteExpr, expected, + quoteExpr.searchString(testString)[0])) + print_() + + test(colonQuotes, r"sdf:jls:djf") + test(dashQuotes, r"sdf:jls::-djf: sl") + test(hatQuotes, r"sdf:jls") + test(hatQuotes1, r"sdf:jls^--djf") + test(dblEqQuotes, r"sdf:j=ls::--djf: sl") + test(QuotedString(':::'), 'jls::--djf: sl') + test(QuotedString('==',endQuoteChar='--'), r'sdf\:j=lz::') + test(QuotedString('^^^',multiline=True), r"""==sdf\:j=lz::--djf: sl=^^=kfsjf + sdlfjs ==sdf\:j=ls::--djf: sl==kfsjf""") + try: + bad1 = QuotedString('','\\') + except SyntaxError as se: + pass + else: + self.assertTrue(False,"failed to raise SyntaxError with empty quote string") + +class RepeaterTest(ParseTestCase): + def runTest(self): + from pyparsing import matchPreviousLiteral,matchPreviousExpr, Word, nums, ParserElement + + if ParserElement._packratEnabled: + print_("skipping this test, not compatible with packratting") + return + + first = Word("abcdef").setName("word1") + bridge = Word(nums).setName("number") + second = matchPreviousLiteral(first).setName("repeat(word1Literal)") + + seq = first + bridge + second + + tests = [ + ( "abc12abc", True ), + ( "abc12aabc", False ), + ( "abc12cba", True ), + ( "abc12bca", True ), + ] + + for tst,result in tests: + found = False + for tokens,start,end in seq.scanString(tst): + f,b,s = tokens + print_(f,b,s) + found = True + if not found: + print_("No literal match in", tst) + self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq))) + print_() + + # retest using matchPreviousExpr instead of matchPreviousLiteral + second = matchPreviousExpr(first).setName("repeat(word1expr)") + seq = first + bridge + second + + tests = [ + ( "abc12abc", True ), + ( "abc12cba", False ), + ( "abc12abcdef", False ), + ] + + for tst,result in tests: + found = False + for tokens,start,end in seq.scanString(tst): + print_(tokens.asList()) + found = True + if not found: + print_("No expression match in", tst) + self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq))) + + print_() + + first = Word("abcdef").setName("word1") + bridge = Word(nums).setName("number") + second = matchPreviousExpr(first).setName("repeat(word1)") + seq = first + bridge + second + csFirst = seq.setName("word-num-word") + csSecond = matchPreviousExpr(csFirst) + compoundSeq = csFirst + ":" + csSecond + compoundSeq.streamline() + print_(compoundSeq) + + tests = [ + ( "abc12abc:abc12abc", True ), + ( "abc12cba:abc12abc", False ), + ( "abc12abc:abc12abcdef", False ), + ] + + #~ for tst,result in tests: + #~ print tst, + #~ try: + #~ compoundSeq.parseString(tst) + #~ print "MATCH" + #~ assert result, "matched when shouldn't have matched" + #~ except ParseException: + #~ print "NO MATCH" + #~ assert not result, "didnt match but should have" + + #~ for tst,result in tests: + #~ print tst, + #~ if compoundSeq == tst: + #~ print "MATCH" + #~ assert result, "matched when shouldn't have matched" + #~ else: + #~ print "NO MATCH" + #~ assert not result, "didnt match but should have" + + for tst,result in tests: + found = False + for tokens,start,end in compoundSeq.scanString(tst): + print_("match:", tokens.asList()) + found = True + break + if not found: + print_("No expression match in", tst) + self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq))) + + print_() + eFirst = Word(nums) + eSecond = matchPreviousExpr(eFirst) + eSeq = eFirst + ":" + eSecond + + tests = [ + ( "1:1A", True ), + ( "1:10", False ), + ] + + for tst,result in tests: + found = False + for tokens,start,end in eSeq.scanString(tst): + #~ f,b,s = tokens + #~ print f,b,s + print_(tokens.asList()) + found = True + if not found: + print_("No match in", tst) + self.assertEqual(found, result, "Failed repeater for test: %s, matching %s" % (tst, str(seq))) + +class RecursiveCombineTest(ParseTestCase): + def runTest(self): + from pyparsing import Forward,Word,alphas,nums,Optional,Combine + + testInput = "myc(114)r(11)dd" + Stream=Forward() + Stream << Optional(Word(alphas))+Optional("("+Word(nums)+")"+Stream) + expected = Stream.parseString(testInput).asList() + print_(["".join(expected)]) + + Stream=Forward() + Stream << Combine(Optional(Word(alphas))+Optional("("+Word(nums)+")"+Stream)) + testVal = Stream.parseString(testInput).asList() + print_(testVal) + + self.assertEqual("".join(testVal), "".join(expected), "Failed to process Combine with recursive content") + +class InfixNotationGrammarTest1(ParseTestCase): + def runTest(self): + from pyparsing import Word,nums,alphas,Literal,oneOf,infixNotation,opAssoc + import ast + + integer = Word(nums).setParseAction(lambda t:int(t[0])) + variable = Word(alphas,exact=1) + operand = integer | variable + + expop = Literal('^') + signop = oneOf('+ -') + multop = oneOf('* /') + plusop = oneOf('+ -') + factop = Literal('!') + + expr = infixNotation( operand, + [("!", 1, opAssoc.LEFT), + ("^", 2, opAssoc.RIGHT), + (signop, 1, opAssoc.RIGHT), + (multop, 2, opAssoc.LEFT), + (plusop, 2, opAssoc.LEFT),] + ) + + test = ["9 + 2 + 3", + "9 + 2 * 3", + "(9 + 2) * 3", + "(9 + -2) * 3", + "(9 + --2) * 3", + "(9 + -2) * 3^2^2", + "(9! + -2) * 3^2^2", + "M*X + B", + "M*(X + B)", + "1+2*-3^4*5+-+-6", + "3!!"] + expected = """[[9, '+', 2, '+', 3]] + [[9, '+', [2, '*', 3]]] + [[[9, '+', 2], '*', 3]] + [[[9, '+', ['-', 2]], '*', 3]] + [[[9, '+', ['-', ['-', 2]]], '*', 3]] + [[[9, '+', ['-', 2]], '*', [3, '^', [2, '^', 2]]]] + [[[[9, '!'], '+', ['-', 2]], '*', [3, '^', [2, '^', 2]]]] + [[['M', '*', 'X'], '+', 'B']] + [['M', '*', ['X', '+', 'B']]] + [[1, '+', [2, '*', ['-', [3, '^', 4]], '*', 5], '+', ['-', ['+', ['-', 6]]]]] + [[3, '!', '!']]""".split('\n') + expected = [ast.literal_eval(x.strip()) for x in expected] + for t,e in zip(test,expected): + print_(t,"->",e, "got", expr.parseString(t).asList()) + self.assertEqual(expr.parseString(t).asList(), e, + "mismatched results for infixNotation: got %s, expected %s" % (expr.parseString(t).asList(),e)) + +class InfixNotationGrammarTest2(ParseTestCase): + def runTest(self): + + from pyparsing import infixNotation, Word, alphas, oneOf, opAssoc + + boolVars = { "True":True, "False":False } + class BoolOperand(object): + reprsymbol = '' + def __init__(self,t): + self.args = t[0][0::2] + def __str__(self): + sep = " %s " % self.reprsymbol + return "(" + sep.join(map(str,self.args)) + ")" + + class BoolAnd(BoolOperand): + reprsymbol = '&' + def __bool__(self): + for a in self.args: + if isinstance(a,str): + v = boolVars[a] + else: + v = bool(a) + if not v: + return False + return True + + class BoolOr(BoolOperand): + reprsymbol = '|' + def __bool__(self): + for a in self.args: + if isinstance(a,str): + v = boolVars[a] + else: + v = bool(a) + if v: + return True + return False + + class BoolNot(BoolOperand): + def __init__(self,t): + self.arg = t[0][1] + def __str__(self): + return "~" + str(self.arg) + def __bool__(self): + if isinstance(self.arg,str): + v = boolVars[self.arg] + else: + v = bool(self.arg) + return not v + + boolOperand = Word(alphas,max=1) | oneOf("True False") + boolExpr = infixNotation( boolOperand, + [ + ("not", 1, opAssoc.RIGHT, BoolNot), + ("and", 2, opAssoc.LEFT, BoolAnd), + ("or", 2, opAssoc.LEFT, BoolOr), + ]) + test = ["p and not q", + "not not p", + "not(p and q)", + "q or not p and r", + "q or not p or not r", + "q or not (p and r)", + "p or q or r", + "p or q or r and False", + "(p or q or r) and False", + ] + + boolVars["p"] = True + boolVars["q"] = False + boolVars["r"] = True + print_("p =", boolVars["p"]) + print_("q =", boolVars["q"]) + print_("r =", boolVars["r"]) + print_() + for t in test: + res = boolExpr.parseString(t)[0] + print_(t,'\n', res, '=', bool(res),'\n') + + +class InfixNotationGrammarTest3(ParseTestCase): + def runTest(self): + + from pyparsing import infixNotation, Word, alphas, oneOf, opAssoc, nums, Literal + + global count + count = 0 + + def evaluate_int(t): + global count + value = int(t[0]) + print_("evaluate_int", value) + count += 1 + return value + + integer = Word(nums).setParseAction(evaluate_int) + variable = Word(alphas,exact=1) + operand = integer | variable + + expop = Literal('^') + signop = oneOf('+ -') + multop = oneOf('* /') + plusop = oneOf('+ -') + factop = Literal('!') + + expr = infixNotation( operand, + [ + ("!", 1, opAssoc.LEFT), + ("^", 2, opAssoc.LEFT), + (signop, 1, opAssoc.RIGHT), + (multop, 2, opAssoc.LEFT), + (plusop, 2, opAssoc.LEFT), + ]) + + test = ["9"] + for t in test: + count = 0 + print_("%r => %s (count=%d)" % (t, expr.parseString(t), count)) + self.assertEqual(count, 1, "count evaluated too many times!") + +class InfixNotationGrammarTest4(ParseTestCase): + def runTest(self): + + word = pp.Word(pp.alphas) + + def supLiteral(s): + """Returns the suppressed literal s""" + return pp.Literal(s).suppress() + + def booleanExpr(atom): + ops = [ + (supLiteral("!"), 1, pp.opAssoc.RIGHT, lambda s, l, t: ["!", t[0][0]]), + (pp.oneOf("= !="), 2, pp.opAssoc.LEFT, ), + (supLiteral("&"), 2, pp.opAssoc.LEFT, lambda s, l, t: ["&", t[0]]), + (supLiteral("|"), 2, pp.opAssoc.LEFT, lambda s, l, t: ["|", t[0]])] + return pp.infixNotation(atom, ops) + + f = booleanExpr(word) + pp.StringEnd() + + tests = [ + ("bar = foo", "[['bar', '=', 'foo']]"), + ("bar = foo & baz = fee", "['&', [['bar', '=', 'foo'], ['baz', '=', 'fee']]]"), + ] + for test,expected in tests: + print_(test) + results = f.parseString(test) + print_(results) + self.assertEqual(str(results), expected, "failed to match expected results, got '%s'" % str(results)) + print_() + +class InfixNotationGrammarTest5(ParseTestCase): + + def runTest(self): + from pyparsing import infixNotation, opAssoc, pyparsing_common, Literal, oneOf + + expop = Literal('**') + signop = oneOf('+ -') + multop = oneOf('* /') + plusop = oneOf('+ -') + + class ExprNode(object): + def __init__(self, tokens): + self.tokens = tokens[0] + + def eval(self): + return None + + class NumberNode(ExprNode): + def eval(self): + return self.tokens + + class SignOp(ExprNode): + def eval(self): + mult = {'+': 1, '-': -1}[self.tokens[0]] + return mult * self.tokens[1].eval() + + class BinOp(ExprNode): + def eval(self): + ret = self.tokens[0].eval() + for op, operand in zip(self.tokens[1::2], self.tokens[2::2]): + ret = self.opn_map[op](ret, operand.eval()) + return ret + + class ExpOp(BinOp): + opn_map = {'**': lambda a, b: b ** a} + + class MultOp(BinOp): + import operator + opn_map = {'*': operator.mul, '/': operator.truediv} + + class AddOp(BinOp): + import operator + opn_map = {'+': operator.add, '-': operator.sub} + + from pyparsing import pyparsing_common, infixNotation + + operand = pyparsing_common.number().setParseAction(NumberNode) + expr = infixNotation(operand, + [ + (expop, 2, opAssoc.LEFT, (lambda pr: [pr[0][::-1]], ExpOp)), + (signop, 1, opAssoc.RIGHT, SignOp), + (multop, 2, opAssoc.LEFT, MultOp), + (plusop, 2, opAssoc.LEFT, AddOp), + ]) + + tests = """\ + 2+7 + 2**3 + 2**3**2 + 3**9 + 3**3**2 + """ + + for t in tests.splitlines(): + t = t.strip() + if not t: + continue + + parsed = expr.parseString(t) + eval_value = parsed[0].eval() + self.assertEqual(eval_value, eval(t), + "Error evaluating %r, expected %r, got %r" % (t, eval(t), eval_value)) + + +class PickleTest_Greeting(): + def __init__(self, toks): + self.salutation = toks[0] + self.greetee = toks[1] + + def __repr__(self): + return "%s: {%s}" % (self.__class__.__name__, + ', '.join('%r: %r' % (k, getattr(self,k)) for k in sorted(self.__dict__))) + +class ParseResultsPickleTest(ParseTestCase): + def runTest(self): + from pyparsing import makeHTMLTags, ParseResults + import pickle + + # test 1 + body = makeHTMLTags("BODY")[0] + result = body.parseString("<BODY BGCOLOR='#00FFBB' FGCOLOR=black>") + if VERBOSE: + print_(result.dump()) + print_() + + for protocol in range(pickle.HIGHEST_PROTOCOL+1): + print_("Test pickle dump protocol", protocol) + try: + pickleString = pickle.dumps(result, protocol) + except Exception as e: + print_("dumps exception:", e) + newresult = ParseResults() + else: + newresult = pickle.loads(pickleString) + if VERBOSE: + print_(newresult.dump()) + print_() + + self.assertEqual(result.dump(), newresult.dump(), + "Error pickling ParseResults object (protocol=%d)" % protocol) + + # test 2 + import pyparsing as pp + + word = pp.Word(pp.alphas+"'.") + salutation = pp.OneOrMore(word) + comma = pp.Literal(",") + greetee = pp.OneOrMore(word) + endpunc = pp.oneOf("! ?") + greeting = salutation + pp.Suppress(comma) + greetee + pp.Suppress(endpunc) + greeting.setParseAction(PickleTest_Greeting) + + string = 'Good morning, Miss Crabtree!' + + result = greeting.parseString(string) + + for protocol in range(pickle.HIGHEST_PROTOCOL+1): + print_("Test pickle dump protocol", protocol) + try: + pickleString = pickle.dumps(result, protocol) + except Exception as e: + print_("dumps exception:", e) + newresult = ParseResults() + else: + newresult = pickle.loads(pickleString) + print_(newresult.dump()) + self.assertEqual(newresult.dump(), result.dump(), + "failed to pickle/unpickle ParseResults: expected %r, got %r" % (result, newresult)) + +class ParseResultsWithNamedTupleTest(ParseTestCase): + def runTest(self): + + from pyparsing import Literal,replaceWith + + expr = Literal("A")("Achar") + expr.setParseAction(replaceWith(tuple(["A","Z"]))) + + res = expr.parseString("A") + print_(repr(res)) + print_(res.Achar) + self.assertEqual(res.Achar, ("A","Z"), + "Failed accessing named results containing a tuple, got {!r}".format(res.Achar)) + + +class ParseHTMLTagsTest(ParseTestCase): + def runTest(self): + test = """ + <BODY> + <BODY BGCOLOR="#00FFCC"> + <BODY BGCOLOR="#00FFAA"/> + <BODY BGCOLOR='#00FFBB' FGCOLOR=black> + <BODY/> + </BODY> + """ + results = [ + ("startBody", False, "", ""), + ("startBody", False, "#00FFCC", ""), + ("startBody", True, "#00FFAA", ""), + ("startBody", False, "#00FFBB", "black"), + ("startBody", True, "", ""), + ("endBody", False, "", ""), + ] + + bodyStart, bodyEnd = pp.makeHTMLTags("BODY") + resIter = iter(results) + for t,s,e in (bodyStart | bodyEnd).scanString( test ): + print_(test[s:e], "->", t.asList()) + (expectedType, expectedEmpty, expectedBG, expectedFG) = next(resIter) + + tType = t.getName() + #~ print tType,"==",expectedType,"?" + self.assertTrue(tType in "startBody endBody".split(), "parsed token of unknown type '%s'" % tType) + self.assertEqual(tType, expectedType, "expected token of type %s, got %s" % (expectedType, tType)) + if tType == "startBody": + self.assertEqual(bool(t.empty), expectedEmpty, + "expected %s token, got %s" % (expectedEmpty and "empty" or "not empty", + t.empty and "empty" or "not empty")) + self.assertEqual(t.bgcolor, expectedBG, + "failed to match BGCOLOR, expected %s, got %s" % (expectedBG, t.bgcolor)) + self.assertEqual(t.fgcolor, expectedFG, + "failed to match FGCOLOR, expected %s, got %s" % (expectedFG, t.bgcolor)) + elif tType == "endBody": + #~ print "end tag" + pass + else: + print_("BAD!!!") + +class UpcaseDowncaseUnicode(ParseTestCase): + def runTest(self): + + import pyparsing as pp + import sys + if PY_3: + unichr = chr + else: + from __builtin__ import unichr + + a = u'\u00bfC\u00f3mo esta usted?' + if not JYTHON_ENV: + ualphas = pp.pyparsing_unicode.alphas + else: + ualphas = "".join( unichr(i) for i in list(range(0xd800)) + list(range(0xe000,sys.maxunicode)) + if unichr(i).isalpha() ) + uword = pp.Word(ualphas).setParseAction(pp.upcaseTokens) + + print_ = lambda *args: None + print_(uword.searchString(a)) + + uword = pp.Word(ualphas).setParseAction(pp.downcaseTokens) + + print_(uword.searchString(a)) + + kw = pp.Keyword('mykey', caseless=True).setParseAction(pp.upcaseTokens)('rname') + ret = kw.parseString('mykey') + print_(ret.rname) + self.assertEqual(ret.rname, 'MYKEY', "failed to upcase with named result") + + kw = pp.Keyword('mykey', caseless=True).setParseAction(pp.pyparsing_common.upcaseTokens)('rname') + ret = kw.parseString('mykey') + print_(ret.rname) + self.assertEqual(ret.rname, 'MYKEY', "failed to upcase with named result (pyparsing_common)") + + kw = pp.Keyword('MYKEY', caseless=True).setParseAction(pp.pyparsing_common.downcaseTokens)('rname') + ret = kw.parseString('mykey') + print_(ret.rname) + self.assertEqual(ret.rname, 'mykey', "failed to upcase with named result") + + if not IRON_PYTHON_ENV: + #test html data + html = u"<TR class=maintxt bgColor=#ffffff> \ + <TD vAlign=top>Производитель, модель</TD> \ + <TD vAlign=top><STRONG>BenQ-Siemens CF61</STRONG></TD> \ + "#.decode('utf-8') + + # u'Manufacturer, model + text_manuf = u'Производитель, модель' + manufacturer = pp.Literal(text_manuf) + + td_start, td_end = pp.makeHTMLTags("td") + manuf_body = td_start.suppress() + manufacturer + pp.SkipTo(td_end)("cells*") + td_end.suppress() + + #~ manuf_body.setDebug() + + #~ for tokens in manuf_body.scanString(html): + #~ print_(tokens) + +class ParseUsingRegex(ParseTestCase): + def runTest(self): + + import re + + signedInt = pp.Regex(r'[-+][0-9]+') + unsignedInt = pp.Regex(r'[0-9]+') + simpleString = pp.Regex(r'("[^\"]*")|(\'[^\']*\')') + namedGrouping = pp.Regex(r'("(?P<content>[^\"]*)")') + compiledRE = pp.Regex(re.compile(r'[A-Z]+')) + + def testMatch (expression, instring, shouldPass, expectedString=None): + if shouldPass: + try: + result = expression.parseString(instring) + print_('%s correctly matched %s' % (repr(expression), repr(instring))) + if expectedString != result[0]: + print_('\tbut failed to match the pattern as expected:') + print_('\tproduced %s instead of %s' % \ + (repr(result[0]), repr(expectedString))) + return True + except pp.ParseException: + print_('%s incorrectly failed to match %s' % \ + (repr(expression), repr(instring))) + else: + try: + result = expression.parseString(instring) + print_('%s incorrectly matched %s' % (repr(expression), repr(instring))) + print_('\tproduced %s as a result' % repr(result[0])) + except pp.ParseException: + print_('%s correctly failed to match %s' % \ + (repr(expression), repr(instring))) + return True + return False + + # These should fail + self.assertTrue(testMatch(signedInt, '1234 foo', False), "Re: (1) passed, expected fail") + self.assertTrue(testMatch(signedInt, ' +foo', False), "Re: (2) passed, expected fail") + self.assertTrue(testMatch(unsignedInt, 'abc', False), "Re: (3) passed, expected fail") + self.assertTrue(testMatch(unsignedInt, '+123 foo', False), "Re: (4) passed, expected fail") + self.assertTrue(testMatch(simpleString, 'foo', False), "Re: (5) passed, expected fail") + self.assertTrue(testMatch(simpleString, '"foo bar\'', False), "Re: (6) passed, expected fail") + self.assertTrue(testMatch(simpleString, '\'foo bar"', False), "Re: (7) passed, expected fail") + + # These should pass + self.assertTrue(testMatch(signedInt, ' +123', True, '+123'), "Re: (8) failed, expected pass") + self.assertTrue(testMatch(signedInt, '+123', True, '+123'), "Re: (9) failed, expected pass") + self.assertTrue(testMatch(signedInt, '+123 foo', True, '+123'), "Re: (10) failed, expected pass") + self.assertTrue(testMatch(signedInt, '-0 foo', True, '-0'), "Re: (11) failed, expected pass") + self.assertTrue(testMatch(unsignedInt, '123 foo', True, '123'), "Re: (12) failed, expected pass") + self.assertTrue(testMatch(unsignedInt, '0 foo', True, '0'), "Re: (13) failed, expected pass") + self.assertTrue(testMatch(simpleString, '"foo"', True, '"foo"'), "Re: (14) failed, expected pass") + self.assertTrue(testMatch(simpleString, "'foo bar' baz", True, "'foo bar'"), "Re: (15) failed, expected pass") + + self.assertTrue(testMatch(compiledRE, 'blah', False), "Re: (16) passed, expected fail") + self.assertTrue(testMatch(compiledRE, 'BLAH', True, 'BLAH'), "Re: (17) failed, expected pass") + + self.assertTrue(testMatch(namedGrouping, '"foo bar" baz', True, '"foo bar"'), "Re: (16) failed, expected pass") + ret = namedGrouping.parseString('"zork" blah') + print_(ret.asList()) + print_(list(ret.items())) + print_(ret.content) + self.assertEqual(ret.content, 'zork', "named group lookup failed") + self.assertEqual(ret[0], simpleString.parseString('"zork" blah')[0], + "Regex not properly returning ParseResults for named vs. unnamed groups") + + try: + #~ print "lets try an invalid RE" + invRe = pp.Regex('("[^\"]*")|(\'[^\']*\'') + except Exception as e: + print_("successfully rejected an invalid RE:", end=' ') + print_(e) + else: + self.assertTrue(False, "failed to reject invalid RE") + + invRe = pp.Regex('') + +class RegexAsTypeTest(ParseTestCase): + def runTest(self): + import pyparsing as pp + + test_str = "sldkjfj 123 456 lsdfkj" + + print_("return as list of match groups") + expr = pp.Regex(r"\w+ (\d+) (\d+) (\w+)", asGroupList=True) + expected_group_list = [tuple(test_str.split()[1:])] + result = expr.parseString(test_str) + print_(result.dump()) + print_(expected_group_list) + self.assertEqual(result.asList(), expected_group_list, "incorrect group list returned by Regex)") + + print_("return as re.match instance") + expr = pp.Regex(r"\w+ (?P<num1>\d+) (?P<num2>\d+) (?P<last_word>\w+)", asMatch=True) + result = expr.parseString(test_str) + print_(result.dump()) + print_(result[0].groups()) + print_(expected_group_list) + self.assertEqual(result[0].groupdict(), {'num1': '123', 'num2': '456', 'last_word': 'lsdfkj'}, + 'invalid group dict from Regex(asMatch=True)') + self.assertEqual(result[0].groups(), expected_group_list[0], + "incorrect group list returned by Regex(asMatch)") + +class RegexSubTest(ParseTestCase): + def runTest(self): + import pyparsing as pp + + print_("test sub with string") + expr = pp.Regex(r"<title>").sub("'Richard III'") + result = expr.transformString("This is the title: <title>") + print_(result) + self.assertEqual(result, "This is the title: 'Richard III'", "incorrect Regex.sub result with simple string") + + print_("test sub with re string") + expr = pp.Regex(r"([Hh]\d):\s*(.*)").sub(r"<\1>\2</\1>") + result = expr.transformString("h1: This is the main heading\nh2: This is the sub-heading") + print_(result) + self.assertEqual(result, '<h1>This is the main heading</h1>\n<h2>This is the sub-heading</h2>', + "incorrect Regex.sub result with re string") + + print_("test sub with re string (Regex returns re.match)") + expr = pp.Regex(r"([Hh]\d):\s*(.*)", asMatch=True).sub(r"<\1>\2</\1>") + result = expr.transformString("h1: This is the main heading\nh2: This is the sub-heading") + print_(result) + self.assertEqual(result, '<h1>This is the main heading</h1>\n<h2>This is the sub-heading</h2>', + "incorrect Regex.sub result with re string") + + print_("test sub with callable that return str") + expr = pp.Regex(r"<(.*?)>").sub(lambda m: m.group(1).upper()) + result = expr.transformString("I want this in upcase: <what? what?>") + print_(result) + self.assertEqual(result, 'I want this in upcase: WHAT? WHAT?', "incorrect Regex.sub result with callable") + + try: + expr = pp.Regex(r"<(.*?)>", asMatch=True).sub(lambda m: m.group(1).upper()) + except SyntaxError: + pass + else: + self.assertTrue(False, "failed to warn using a Regex.sub(callable) with asMatch=True") + + try: + expr = pp.Regex(r"<(.*?)>", asGroupList=True).sub(lambda m: m.group(1).upper()) + except SyntaxError: + pass + else: + self.assertTrue(False, "failed to warn using a Regex.sub() with asGroupList=True") + + try: + expr = pp.Regex(r"<(.*?)>", asGroupList=True).sub("") + except SyntaxError: + pass + else: + self.assertTrue(False, "failed to warn using a Regex.sub() with asGroupList=True") + +class PrecededByTest(ParseTestCase): + def runTest(self): + import pyparsing as pp + + num = pp.Word(pp.nums).setParseAction(lambda t: int(t[0])) + interesting_num = pp.PrecededBy(pp.Char("abc")("prefix*")) + num + semi_interesting_num = pp.PrecededBy('_') + num + crazy_num = pp.PrecededBy(pp.Word("^", "$%^")("prefix*"), 10) + num + boring_num = ~pp.PrecededBy(pp.Char("abc_$%^" + pp.nums)) + num + very_boring_num = pp.PrecededBy(pp.WordStart()) + num + finicky_num = pp.PrecededBy(pp.Word("^", "$%^"), retreat=3) + num + + s = "c384 b8324 _9293874 _293 404 $%^$^%$2939" + print_(s) + for expr, expected_list, expected_dict in [ + (interesting_num, [384, 8324], {'prefix': ['c', 'b']}), + (semi_interesting_num, [9293874, 293], {}), + (boring_num, [404], {}), + (crazy_num, [2939], {'prefix': ['^%$']}), + (finicky_num, [2939], {}), + (very_boring_num, [404], {}), + ]: + print_(expr.searchString(s)) + result = sum(expr.searchString(s)) + print_(result) + + self.assertEqual(result.asList(), expected_list, + "Erroneous tokens for {}: expected {}, got {}".format(expr, + expected_list, + result.asList())) + self.assertEqual(result.asDict(), expected_dict, + "Erroneous named results for {}: expected {}, got {}".format(expr, + expected_dict, + result.asDict())) + +class CountedArrayTest(ParseTestCase): + def runTest(self): + from pyparsing import Word,nums,OneOrMore,countedArray + + testString = "2 5 7 6 0 1 2 3 4 5 0 3 5 4 3" + + integer = Word(nums).setParseAction(lambda t: int(t[0])) + countedField = countedArray(integer) + + r = OneOrMore(countedField).parseString( testString ) + print_(testString) + print_(r.asList()) + + self.assertEqual(r.asList(), [[5,7],[0,1,2,3,4,5],[],[5,4,3]], + "Failed matching countedArray, got " + str(r.asList())) + +class CountedArrayTest2(ParseTestCase): + # addresses bug raised by Ralf Vosseler + def runTest(self): + from pyparsing import Word,nums,OneOrMore,countedArray + + testString = "2 5 7 6 0 1 2 3 4 5 0 3 5 4 3" + + integer = Word(nums).setParseAction(lambda t: int(t[0])) + countedField = countedArray(integer) + + dummy = Word("A") + r = OneOrMore(dummy ^ countedField).parseString( testString ) + print_(testString) + print_(r.asList()) + + self.assertEqual(r.asList(), [[5,7],[0,1,2,3,4,5],[],[5,4,3]], + "Failed matching countedArray, got " + str(r.asList())) + +class CountedArrayTest3(ParseTestCase): + # test case where counter is not a decimal integer + def runTest(self): + from pyparsing import Word,nums,OneOrMore,countedArray,alphas + int_chars = "_"+alphas + array_counter = Word(int_chars).setParseAction(lambda t: int_chars.index(t[0])) + + # 123456789012345678901234567890 + testString = "B 5 7 F 0 1 2 3 4 5 _ C 5 4 3" + + integer = Word(nums).setParseAction(lambda t: int(t[0])) + countedField = countedArray(integer, intExpr=array_counter) + + r = OneOrMore(countedField).parseString( testString ) + print_(testString) + print_(r.asList()) + + self.assertEqual(r.asList(), [[5,7],[0,1,2,3,4,5],[],[5,4,3]], + "Failed matching countedArray, got " + str(r.asList())) + +class LineStartTest(ParseTestCase): + def runTest(self): + import pyparsing as pp + + pass_tests = [ + """\ + AAA + BBB + """, + """\ + AAA... + BBB + """, + ] + fail_tests = [ + """\ + AAA... + ...BBB + """, + """\ + AAA BBB + """, + ] + + # cleanup test strings + pass_tests = ['\n'.join(s.lstrip() for s in t.splitlines()).replace('.', ' ') for t in pass_tests] + fail_tests = ['\n'.join(s.lstrip() for s in t.splitlines()).replace('.', ' ') for t in fail_tests] + + test_patt = pp.Word('A') - pp.LineStart() + pp.Word('B') + print_(test_patt.streamline()) + success = test_patt.runTests(pass_tests)[0] + self.assertTrue(success, "failed LineStart passing tests (1)") + + success = test_patt.runTests(fail_tests, failureTests=True)[0] + self.assertTrue(success, "failed LineStart failure mode tests (1)") + + with AutoReset(pp.ParserElement, "DEFAULT_WHITE_CHARS"): + print_(r'no \n in default whitespace chars') + pp.ParserElement.setDefaultWhitespaceChars(' ') + + test_patt = pp.Word('A') - pp.LineStart() + pp.Word('B') + print_(test_patt.streamline()) + # should fail the pass tests too, since \n is no longer valid whitespace and we aren't parsing for it + success = test_patt.runTests(pass_tests, failureTests=True)[0] + self.assertTrue(success, "failed LineStart passing tests (2)") + + success = test_patt.runTests(fail_tests, failureTests=True)[0] + self.assertTrue(success, "failed LineStart failure mode tests (2)") + + test_patt = pp.Word('A') - pp.LineEnd().suppress() + pp.LineStart() + pp.Word('B') + pp.LineEnd().suppress() + print_(test_patt.streamline()) + success = test_patt.runTests(pass_tests)[0] + self.assertTrue(success, "failed LineStart passing tests (3)") + + success = test_patt.runTests(fail_tests, failureTests=True)[0] + self.assertTrue(success, "failed LineStart failure mode tests (3)") + + test = """\ + AAA 1 + AAA 2 + + AAA + + B AAA + + """ + + from textwrap import dedent + test = dedent(test) + print_(test) + + for t, s, e in (pp.LineStart() + 'AAA').scanString(test): + print_(s, e, pp.lineno(s, test), pp.line(s, test), ord(test[s])) + print_() + self.assertEqual(test[s], 'A', 'failed LineStart with insignificant newlines') + + with AutoReset(pp.ParserElement, "DEFAULT_WHITE_CHARS"): + pp.ParserElement.setDefaultWhitespaceChars(' ') + for t, s, e in (pp.LineStart() + 'AAA').scanString(test): + print_(s, e, pp.lineno(s, test), pp.line(s, test), ord(test[s])) + print_() + self.assertEqual(test[s], 'A', 'failed LineStart with insignificant newlines') + + +class LineAndStringEndTest(ParseTestCase): + def runTest(self): + from pyparsing import OneOrMore,lineEnd,alphanums,Word,stringEnd,delimitedList,SkipTo + + NLs = OneOrMore(lineEnd) + bnf1 = delimitedList(Word(alphanums).leaveWhitespace(), NLs) + bnf2 = Word(alphanums) + stringEnd + bnf3 = Word(alphanums) + SkipTo(stringEnd) + tests = [ + ("testA\ntestB\ntestC\n", ['testA', 'testB', 'testC']), + ("testD\ntestE\ntestF", ['testD', 'testE', 'testF']), + ("a", ['a']), + ] + + for test,expected in tests: + res1 = bnf1.parseString(test) + print_(res1,'=?',expected) + self.assertEqual(res1.asList(), expected, + "Failed lineEnd/stringEnd test (1): "+repr(test)+ " -> "+str(res1.asList())) + + res2 = bnf2.searchString(test)[0] + print_(res2.asList(),'=?',expected[-1:]) + self.assertEqual(res2.asList(), expected[-1:], + "Failed lineEnd/stringEnd test (2): "+repr(test)+ " -> "+str(res2.asList())) + + res3 = bnf3.parseString(test) + first = res3[0] + rest = res3[1] + #~ print res3.dump() + print_(repr(rest),'=?',repr(test[len(first)+1:])) + self.assertEqual(rest, test[len(first)+1:], + "Failed lineEnd/stringEnd test (3): " +repr(test)+ " -> "+str(res3.asList())) + print_() + + from pyparsing import Regex + import re + + k = Regex(r'a+',flags=re.S+re.M) + k = k.parseWithTabs() + k = k.leaveWhitespace() + + tests = [ + (r'aaa',['aaa']), + (r'\naaa',None), + (r'a\naa',None), + (r'aaa\n',None), + ] + for i,(src,expected) in enumerate(tests): + print_(i, repr(src).replace('\\\\','\\'), end=' ') + try: + res = k.parseString(src, parseAll=True).asList() + except ParseException as pe: + res = None + print_(res) + self.assertEqual(res, expected, "Failed on parseAll=True test %d" % i) + +class VariableParseActionArgsTest(ParseTestCase): + def runTest(self): + + pa3 = lambda s,l,t: t + pa2 = lambda l,t: t + pa1 = lambda t: t + pa0 = lambda : None + class Callable3(object): + def __call__(self,s,l,t): + return t + class Callable2(object): + def __call__(self,l,t): + return t + class Callable1(object): + def __call__(self,t): + return t + class Callable0(object): + def __call__(self): + return + class CallableS3(object): + #~ @staticmethod + def __call__(s,l,t): + return t + __call__=staticmethod(__call__) + class CallableS2(object): + #~ @staticmethod + def __call__(l,t): + return t + __call__=staticmethod(__call__) + class CallableS1(object): + #~ @staticmethod + def __call__(t): + return t + __call__=staticmethod(__call__) + class CallableS0(object): + #~ @staticmethod + def __call__(): + return + __call__=staticmethod(__call__) + class CallableC3(object): + #~ @classmethod + def __call__(cls,s,l,t): + return t + __call__=classmethod(__call__) + class CallableC2(object): + #~ @classmethod + def __call__(cls,l,t): + return t + __call__=classmethod(__call__) + class CallableC1(object): + #~ @classmethod + def __call__(cls,t): + return t + __call__=classmethod(__call__) + class CallableC0(object): + #~ @classmethod + def __call__(cls): + return + __call__=classmethod(__call__) + + class parseActionHolder(object): + #~ @staticmethod + def pa3(s,l,t): + return t + pa3=staticmethod(pa3) + #~ @staticmethod + def pa2(l,t): + return t + pa2=staticmethod(pa2) + #~ @staticmethod + def pa1(t): + return t + pa1=staticmethod(pa1) + #~ @staticmethod + def pa0(): + return + pa0=staticmethod(pa0) + + def paArgs(*args): + print_(args) + return args[2] + + class ClassAsPA0(object): + def __init__(self): + pass + def __str__(self): + return "A" + + class ClassAsPA1(object): + def __init__(self,t): + print_("making a ClassAsPA1") + self.t = t + def __str__(self): + return self.t[0] + + class ClassAsPA2(object): + def __init__(self,l,t): + self.t = t + def __str__(self): + return self.t[0] + + class ClassAsPA3(object): + def __init__(self,s,l,t): + self.t = t + def __str__(self): + return self.t[0] + + class ClassAsPAStarNew(tuple): + def __new__(cls, *args): + print_("make a ClassAsPAStarNew", args) + return tuple.__new__(cls, *args[2].asList()) + def __str__(self): + return ''.join(self) + + #~ def ClassAsPANew(object): + #~ def __new__(cls, t): + #~ return object.__new__(cls, t) + #~ def __init__(self,t): + #~ self.t = t + #~ def __str__(self): + #~ return self.t + + from pyparsing import Literal,OneOrMore + + A = Literal("A").setParseAction(pa0) + B = Literal("B").setParseAction(pa1) + C = Literal("C").setParseAction(pa2) + D = Literal("D").setParseAction(pa3) + E = Literal("E").setParseAction(Callable0()) + F = Literal("F").setParseAction(Callable1()) + G = Literal("G").setParseAction(Callable2()) + H = Literal("H").setParseAction(Callable3()) + I = Literal("I").setParseAction(CallableS0()) + J = Literal("J").setParseAction(CallableS1()) + K = Literal("K").setParseAction(CallableS2()) + L = Literal("L").setParseAction(CallableS3()) + M = Literal("M").setParseAction(CallableC0()) + N = Literal("N").setParseAction(CallableC1()) + O = Literal("O").setParseAction(CallableC2()) + P = Literal("P").setParseAction(CallableC3()) + Q = Literal("Q").setParseAction(paArgs) + R = Literal("R").setParseAction(parseActionHolder.pa3) + S = Literal("S").setParseAction(parseActionHolder.pa2) + T = Literal("T").setParseAction(parseActionHolder.pa1) + U = Literal("U").setParseAction(parseActionHolder.pa0) + V = Literal("V") + + gg = OneOrMore( A | C | D | E | F | G | H | + I | J | K | L | M | N | O | P | Q | R | S | U | V | B | T) + testString = "VUTSRQPONMLKJIHGFEDCBA" + res = gg.parseString(testString) + print_(res.asList()) + self.assertEqual(res.asList(), list(testString), "Failed to parse using variable length parse actions") + + A = Literal("A").setParseAction(ClassAsPA0) + B = Literal("B").setParseAction(ClassAsPA1) + C = Literal("C").setParseAction(ClassAsPA2) + D = Literal("D").setParseAction(ClassAsPA3) + E = Literal("E").setParseAction(ClassAsPAStarNew) + + gg = OneOrMore( A | B | C | D | E | F | G | H | + I | J | K | L | M | N | O | P | Q | R | S | T | U | V) + testString = "VUTSRQPONMLKJIHGFEDCBA" + res = gg.parseString(testString) + print_(list(map(str,res))) + self.assertEqual(list(map(str,res)), list(testString), + "Failed to parse using variable length parse actions " + "using class constructors as parse actions") + +class EnablePackratParsing(ParseTestCase): + def runTest(self): + from pyparsing import ParserElement + ParserElement.enablePackrat() + +class SingleArgExceptionTest(ParseTestCase): + def runTest(self): + from pyparsing import ParseBaseException,ParseFatalException + + msg = "" + raisedMsg = "" + testMessage = "just one arg" + try: + raise ParseFatalException(testMessage) + except ParseBaseException as pbe: + print_("Received expected exception:", pbe) + raisedMsg = pbe.msg + self.assertEqual(raisedMsg, testMessage, "Failed to get correct exception message") + + +class OriginalTextForTest(ParseTestCase): + def runTest(self): + from pyparsing import makeHTMLTags, originalTextFor + + def rfn(t): + return "%s:%d" % (t.src, len("".join(t))) + + makeHTMLStartTag = lambda tag: originalTextFor(makeHTMLTags(tag)[0], asString=False) + + # use the lambda, Luke + #~ start, imge = makeHTMLTags('IMG') + start = makeHTMLStartTag('IMG') + + # don't replace our fancy parse action with rfn, + # append rfn to the list of parse actions + #~ start.setParseAction(rfn) + start.addParseAction(rfn) + + #start.setParseAction(lambda s,l,t:t.src) + text = '''_<img src="images/cal.png" + alt="cal image" width="16" height="15">_''' + s = start.transformString(text) + if VERBOSE: + print_(s) + self.assertTrue(s.startswith("_images/cal.png:"), "failed to preserve input s properly") + self.assertTrue(s.endswith("77_"),"failed to return full original text properly") + + tag_fields = makeHTMLStartTag("IMG").searchString(text)[0] + if VERBOSE: + print_(sorted(tag_fields.keys())) + self.assertEqual(sorted(tag_fields.keys()), + ['alt', 'empty', 'height', 'src', 'startImg', 'tag', 'width'], + 'failed to preserve results names in originalTextFor') + +class PackratParsingCacheCopyTest(ParseTestCase): + def runTest(self): + from pyparsing import Word,nums,delimitedList,Literal,Optional,alphas,alphanums,ZeroOrMore,empty + + integer = Word(nums).setName("integer") + id = Word(alphas+'_',alphanums+'_') + simpleType = Literal('int'); + arrayType= simpleType+ZeroOrMore('['+delimitedList(integer)+']') + varType = arrayType | simpleType + varDec = varType + delimitedList(id + Optional('='+integer))+';' + + codeBlock = Literal('{}') + + funcDef = Optional(varType | 'void')+id+'('+(delimitedList(varType+id)|'void'|empty)+')'+codeBlock + + program = varDec | funcDef + input = 'int f(){}' + results = program.parseString(input) + print_("Parsed '%s' as %s" % (input, results.asList())) + self.assertEqual(results.asList(), ['int', 'f', '(', ')', '{}'], "Error in packrat parsing") + +class PackratParsingCacheCopyTest2(ParseTestCase): + def runTest(self): + from pyparsing import Keyword,Word,Suppress,Forward,Optional,delimitedList,Group + + DO,AA = list(map(Keyword, "DO AA".split())) + LPAR,RPAR = list(map(Suppress,"()")) + identifier = ~AA + Word("Z") + + function_name = identifier.copy() + #~ function_name = ~AA + Word("Z") #identifier.copy() + expr = Forward().setName("expr") + expr << (Group(function_name + LPAR + Optional(delimitedList(expr)) + RPAR).setName("functionCall") | + identifier.setName("ident")#.setDebug()#.setBreak() + ) + + stmt = DO + Group(delimitedList(identifier + ".*" | expr)) + result = stmt.parseString("DO Z") + print_(result.asList()) + self.assertEqual(len(result[1]), 1, "packrat parsing is duplicating And term exprs") + +class ParseResultsDelTest(ParseTestCase): + def runTest(self): + from pyparsing import OneOrMore, Word, alphas, nums + + grammar = OneOrMore(Word(nums))("ints") + OneOrMore(Word(alphas))("words") + res = grammar.parseString("123 456 ABC DEF") + print_(res.dump()) + origInts = res.ints.asList() + origWords = res.words.asList() + del res[1] + del res["words"] + print_(res.dump()) + self.assertEqual(res[1], 'ABC',"failed to delete 0'th element correctly") + self.assertEqual(res.ints.asList(), origInts, "updated named attributes, should have updated list only") + self.assertEqual(res.words, "", "failed to update named attribute correctly") + self.assertEqual(res[-1], 'DEF', "updated list, should have updated named attributes only") + +class WithAttributeParseActionTest(ParseTestCase): + def runTest(self): + """ + This unit test checks withAttribute in these ways: + + * Argument forms as keywords and tuples + * Selecting matching tags by attribute + * Case-insensitive attribute matching + * Correctly matching tags having the attribute, and rejecting tags not having the attribute + + (Unit test written by voigts as part of the Google Highly Open Participation Contest) + """ + + from pyparsing import makeHTMLTags, Word, withAttribute, withClass, nums + + data = """ + <a>1</a> + <a b="x">2</a> + <a B="x">3</a> + <a b="X">4</a> + <a b="y">5</a> + <a class="boo">8</a> + """ + tagStart, tagEnd = makeHTMLTags("a") + + expr = tagStart + Word(nums)("value") + tagEnd + + expected = ([['a', ['b', 'x'], False, '2', '</a>'], + ['a', ['b', 'x'], False, '3', '</a>']], + [['a', ['b', 'x'], False, '2', '</a>'], + ['a', ['b', 'x'], False, '3', '</a>']], + [['a', ['class', 'boo'], False, '8', '</a>']], + ) + + for attrib, exp in zip([ + withAttribute(b="x"), + #withAttribute(B="x"), + withAttribute(("b","x")), + #withAttribute(("B","x")), + withClass("boo"), + ], expected): + + tagStart.setParseAction(attrib) + result = expr.searchString(data) + + print_(result.dump()) + self.assertEqual(result.asList(), exp, "Failed test, expected %s, got %s" % (expected, result.asList())) + +class NestedExpressionsTest(ParseTestCase): + def runTest(self): + """ + This unit test checks nestedExpr in these ways: + - use of default arguments + - use of non-default arguments (such as a pyparsing-defined comment + expression in place of quotedString) + - use of a custom content expression + - use of a pyparsing expression for opener and closer is *OPTIONAL* + - use of input data containing nesting delimiters + - correct grouping of parsed tokens according to nesting of opening + and closing delimiters in the input string + + (Unit test written by christoph... as part of the Google Highly Open Participation Contest) + """ + from pyparsing import nestedExpr, Literal, Regex, restOfLine, quotedString + + #All defaults. Straight out of the example script. Also, qualifies for + #the bonus: note the fact that (Z | (E^F) & D) is not parsed :-). + # Tests for bug fixed in 1.4.10 + print_("Test defaults:") + teststring = "(( ax + by)*C) (Z | (E^F) & D)" + + expr = nestedExpr() + + expected = [[['ax', '+', 'by'], '*C']] + result = expr.parseString(teststring) + print_(result.dump()) + self.assertEqual(result.asList(), expected, "Defaults didn't work. That's a bad sign. Expected: %s, got: %s" % (expected, result)) + + #Going through non-defaults, one by one; trying to think of anything + #odd that might not be properly handled. + + #Change opener + print_("\nNon-default opener") + opener = "[" + teststring = test_string = "[[ ax + by)*C)" + expected = [[['ax', '+', 'by'], '*C']] + expr = nestedExpr("[") + result = expr.parseString(teststring) + print_(result.dump()) + self.assertEqual(result.asList(), expected, "Non-default opener didn't work. Expected: %s, got: %s" % (expected, result)) + + #Change closer + print_("\nNon-default closer") + + teststring = test_string = "(( ax + by]*C]" + expected = [[['ax', '+', 'by'], '*C']] + expr = nestedExpr(closer="]") + result = expr.parseString(teststring) + print_(result.dump()) + self.assertEqual(result.asList(), expected, "Non-default closer didn't work. Expected: %s, got: %s" % (expected, result)) + + # #Multicharacter opener, closer + # opener = "bar" + # closer = "baz" + print_("\nLiteral expressions for opener and closer") + + opener,closer = list(map(Literal, "bar baz".split())) + expr = nestedExpr(opener, closer, + content=Regex(r"([^b ]|b(?!a)|ba(?![rz]))+")) + + teststring = "barbar ax + bybaz*Cbaz" + expected = [[['ax', '+', 'by'], '*C']] + # expr = nestedExpr(opener, closer) + result = expr.parseString(teststring) + print_(result.dump()) + self.assertEqual(result.asList(), expected, "Multicharacter opener and closer didn't work. Expected: %s, got: %s" % (expected, result)) + + #Lisp-ish comments + print_("\nUse ignore expression (1)") + comment = Regex(r";;.*") + teststring = \ + """ + (let ((greeting "Hello, world!")) ;;(foo bar + (display greeting)) + """ + + expected = [['let', [['greeting', '"Hello,', 'world!"']], ';;(foo bar',\ + ['display', 'greeting']]] + expr = nestedExpr(ignoreExpr=comment) + result = expr.parseString(teststring) + print_(result.dump()) + self.assertEqual(result.asList(), expected , "Lisp-ish comments (\";; <...> $\") didn't work. Expected: %s, got: %s" % (expected, result)) + + + #Lisp-ish comments, using a standard bit of pyparsing, and an Or. + print_("\nUse ignore expression (2)") + comment = ';;' + restOfLine + + teststring = \ + """ + (let ((greeting "Hello, )world!")) ;;(foo bar + (display greeting)) + """ + + expected = [['let', [['greeting', '"Hello, )world!"']], ';;', '(foo bar', + ['display', 'greeting']]] + expr = nestedExpr(ignoreExpr=(comment ^ quotedString)) + result = expr.parseString(teststring) + print_(result.dump()) + self.assertEqual(result.asList(), expected , + "Lisp-ish comments (\";; <...> $\") and quoted strings didn't work. Expected: %s, got: %s" % (expected, result)) + +class WordExcludeTest(ParseTestCase): + def runTest(self): + from pyparsing import Word, printables + allButPunc = Word(printables, excludeChars=".,:;-_!?") + + test = "Hello, Mr. Ed, it's Wilbur!" + result = allButPunc.searchString(test).asList() + print_(result) + self.assertEqual(result, [['Hello'], ['Mr'], ['Ed'], ["it's"], ['Wilbur']], "failed WordExcludeTest") + +class ParseAllTest(ParseTestCase): + def runTest(self): + from pyparsing import Word, cppStyleComment + + testExpr = Word("A") + + tests = [ + ("AAAAA", False, True), + ("AAAAA", True, True), + ("AAABB", False, True), + ("AAABB", True, False), + ] + for s,parseAllFlag,shouldSucceed in tests: + try: + print_("'%s' parseAll=%s (shouldSuceed=%s)" % (s, parseAllFlag, shouldSucceed)) + testExpr.parseString(s,parseAllFlag) + self.assertTrue(shouldSucceed, "successfully parsed when should have failed") + except ParseException as pe: + self.assertFalse(shouldSucceed, "failed to parse when should have succeeded") + + # add test for trailing comments + testExpr.ignore(cppStyleComment) + + tests = [ + ("AAAAA //blah", False, True), + ("AAAAA //blah", True, True), + ("AAABB //blah", False, True), + ("AAABB //blah", True, False), + ] + for s,parseAllFlag,shouldSucceed in tests: + try: + print_("'%s' parseAll=%s (shouldSucceed=%s)" % (s, parseAllFlag, shouldSucceed)) + testExpr.parseString(s,parseAllFlag) + self.assertTrue(shouldSucceed, "successfully parsed when should have failed") + except ParseException as pe: + self.assertFalse(shouldSucceed, "failed to parse when should have succeeded") + +class GreedyQuotedStringsTest(ParseTestCase): + def runTest(self): + from pyparsing import QuotedString, sglQuotedString, dblQuotedString, quotedString, delimitedList + + src = """\ + "string1", "strin""g2" + 'string1', 'string2' + ^string1^, ^string2^ + <string1>, <string2>""" + + testExprs = (sglQuotedString, dblQuotedString, quotedString, + QuotedString('"', escQuote='""'), QuotedString("'", escQuote="''"), + QuotedString("^"), QuotedString("<",endQuoteChar=">")) + for expr in testExprs: + strs = delimitedList(expr).searchString(src) + print_(strs) + self.assertTrue(bool(strs), "no matches found for test expression '%s'" % expr) + for lst in strs: + self.assertEqual(len(lst), 2, "invalid match found for test expression '%s'" % expr) + + from pyparsing import alphas, nums, Word + src = """'ms1',1,0,'2009-12-22','2009-12-22 10:41:22') ON DUPLICATE KEY UPDATE sent_count = sent_count + 1, mtime = '2009-12-22 10:41:22';""" + tok_sql_quoted_value = ( + QuotedString("'", "\\", "''", True, False) ^ + QuotedString('"', "\\", '""', True, False)) + tok_sql_computed_value = Word(nums) + tok_sql_identifier = Word(alphas) + + val = tok_sql_quoted_value | tok_sql_computed_value | tok_sql_identifier + vals = delimitedList(val) + print_(vals.parseString(src)) + self.assertEqual(len(vals.parseString(src)), 5, "error in greedy quote escaping") + + +class WordBoundaryExpressionsTest(ParseTestCase): + def runTest(self): + from pyparsing import WordEnd, WordStart, oneOf + + ws = WordStart() + we = WordEnd() + vowel = oneOf(list("AEIOUY")) + consonant = oneOf(list("BCDFGHJKLMNPQRSTVWXZ")) + + leadingVowel = ws + vowel + trailingVowel = vowel + we + leadingConsonant = ws + consonant + trailingConsonant = consonant + we + internalVowel = ~ws + vowel + ~we + + bnf = leadingVowel | trailingVowel + + tests = """\ + ABC DEF GHI + JKL MNO PQR + STU VWX YZ """.splitlines() + tests.append( "\n".join(tests) ) + + expectedResult = [ + [['D', 'G'], ['A'], ['C', 'F'], ['I'], ['E'], ['A', 'I']], + [['J', 'M', 'P'], [], ['L', 'R'], ['O'], [], ['O']], + [['S', 'V'], ['Y'], ['X', 'Z'], ['U'], [], ['U', 'Y']], + [['D', 'G', 'J', 'M', 'P', 'S', 'V'], + ['A', 'Y'], + ['C', 'F', 'L', 'R', 'X', 'Z'], + ['I', 'O', 'U'], + ['E'], + ['A', 'I', 'O', 'U', 'Y']], + ] + + for t,expected in zip(tests, expectedResult): + print_(t) + results = [flatten(e.searchString(t).asList()) for e in [ + leadingConsonant, + leadingVowel, + trailingConsonant, + trailingVowel, + internalVowel, + bnf, + ]] + print_(results) + print_() + self.assertEqual(results, expected,"Failed WordBoundaryTest, expected %s, got %s" % (expected,results)) + +class RequiredEachTest(ParseTestCase): + def runTest(self): + from pyparsing import Keyword + + parser = Keyword('bam') & Keyword('boo') + try: + res1 = parser.parseString('bam boo') + print_(res1.asList()) + res2 = parser.parseString('boo bam') + print_(res2.asList()) + except ParseException: + failed = True + else: + failed = False + self.assertFalse(failed, "invalid logic in Each") + + self.assertEqual(set(res1), set(res2), "Failed RequiredEachTest, expected " + + str(res1.asList()) + " and " + str(res2.asList()) + + "to contain same words in any order" ) + +class OptionalEachTest(ParseTestCase): + def runTest1(self): + from pyparsing import Optional, Keyword + + the_input = "Major Tal Weiss" + parser1 = (Optional('Tal') + Optional('Weiss')) & Keyword('Major') + parser2 = Optional(Optional('Tal') + Optional('Weiss')) & Keyword('Major') + p1res = parser1.parseString( the_input) + p2res = parser2.parseString( the_input) + self.assertEqual(p1res.asList(), p2res.asList(), + "Each failed to match with nested Optionals, " + + str(p1res.asList()) + " should match " + str(p2res.asList())) + + def runTest2(self): + from pyparsing import Word, alphanums, OneOrMore, Group, Regex, Optional + + word = Word(alphanums + '_').setName("word") + with_stmt = 'with' + OneOrMore(Group(word('key') + '=' + word('value')))('overrides') + using_stmt = 'using' + Regex('id-[0-9a-f]{8}')('id') + modifiers = Optional(with_stmt('with_stmt')) & Optional(using_stmt('using_stmt')) + + self.assertEqual(modifiers, "with foo=bar bing=baz using id-deadbeef") + self.assertNotEqual(modifiers, "with foo=bar bing=baz using id-deadbeef using id-feedfeed") + + def runTest3(self): + from pyparsing import Literal,Suppress,ZeroOrMore,OneOrMore + + foo = Literal('foo') + bar = Literal('bar') + + openBrace = Suppress(Literal("{")) + closeBrace = Suppress(Literal("}")) + + exp = openBrace + (OneOrMore(foo)("foo") & ZeroOrMore(bar)("bar")) + closeBrace + + tests = """\ + {foo} + {bar foo bar foo bar foo} + """.splitlines() + for test in tests: + test = test.strip() + if not test: + continue + result = exp.parseString(test) + print_(test, '->', result.asList()) + self.assertEqual(result.asList(), test.strip("{}").split(), "failed to parse Each expression %r" % test) + print_(result.dump()) + + try: + result = exp.parseString("{bar}") + self.assertTrue(False, "failed to raise exception when required element is missing") + except ParseException as pe: + pass + + def runTest4(self): + from pyparsing import pyparsing_common, ZeroOrMore, Group + + expr = ((~pyparsing_common.iso8601_date + pyparsing_common.integer("id")) + & ZeroOrMore(Group(pyparsing_common.iso8601_date)("date*"))) + + expr.runTests(""" + 1999-12-31 100 2001-01-01 + 42 + """) + + + def runTest(self): + self.runTest1() + self.runTest2() + self.runTest3() + self.runTest4() + +class SumParseResultsTest(ParseTestCase): + def runTest(self): + + samplestr1 = "garbage;DOB 10-10-2010;more garbage\nID PARI12345678;more garbage" + samplestr2 = "garbage;ID PARI12345678;more garbage\nDOB 10-10-2010;more garbage" + samplestr3 = "garbage;DOB 10-10-2010" + samplestr4 = "garbage;ID PARI12345678;more garbage- I am cool" + + res1 = "ID:PARI12345678 DOB:10-10-2010 INFO:" + res2 = "ID:PARI12345678 DOB:10-10-2010 INFO:" + res3 = "ID: DOB:10-10-2010 INFO:" + res4 = "ID:PARI12345678 DOB: INFO: I am cool" + + from pyparsing import Regex, Word, alphanums, restOfLine + dob_ref = "DOB" + Regex(r"\d{2}-\d{2}-\d{4}")("dob") + id_ref = "ID" + Word(alphanums,exact=12)("id") + info_ref = "-" + restOfLine("info") + + person_data = dob_ref | id_ref | info_ref + + tests = (samplestr1,samplestr2,samplestr3,samplestr4,) + results = (res1, res2, res3, res4,) + for test,expected in zip(tests, results): + person = sum(person_data.searchString(test)) + result = "ID:%s DOB:%s INFO:%s" % (person.id, person.dob, person.info) + print_(test) + print_(expected) + print_(result) + for pd in person_data.searchString(test): + print_(pd.dump()) + print_() + self.assertEqual(expected, result, + "Failed to parse '%s' correctly, \nexpected '%s', got '%s'" % (test,expected,result)) + +class MarkInputLineTest(ParseTestCase): + def runTest(self): + + samplestr1 = "DOB 100-10-2010;more garbage\nID PARI12345678;more garbage" + + from pyparsing import Regex + dob_ref = "DOB" + Regex(r"\d{2}-\d{2}-\d{4}")("dob") + + try: + res = dob_ref.parseString(samplestr1) + except ParseException as pe: + outstr = pe.markInputline() + print_(outstr) + self.assertEqual(outstr, "DOB >!<100-10-2010;more garbage", "did not properly create marked input line") + else: + self.assertEqual(False, "test construction failed - should have raised an exception") + +class LocatedExprTest(ParseTestCase): + def runTest(self): + + # 012345678901234567890123456789012345678901234567890 + samplestr1 = "DOB 10-10-2010;more garbage;ID PARI12345678 ;more garbage" + + from pyparsing import Word, alphanums, locatedExpr + id_ref = locatedExpr("ID" + Word(alphanums,exact=12)("id")) + + res = id_ref.searchString(samplestr1)[0][0] + print_(res.dump()) + self.assertEqual(samplestr1[res.locn_start:res.locn_end], 'ID PARI12345678', "incorrect location calculation") + + +class PopTest(ParseTestCase): + def runTest(self): + from pyparsing import Word, alphas, nums + + source = "AAA 123 456 789 234" + patt = Word(alphas)("name") + Word(nums)*(1,) + + result = patt.parseString(source) + tests = [ + (0, 'AAA', ['123', '456', '789', '234']), + (None, '234', ['123', '456', '789']), + ('name', 'AAA', ['123', '456', '789']), + (-1, '789', ['123', '456']), + ] + for test in tests: + idx, val, remaining = test + if idx is not None: + ret = result.pop(idx) + else: + ret = result.pop() + print_("EXP:", val, remaining) + print_("GOT:", ret, result.asList()) + print_(ret, result.asList()) + self.assertEqual(ret, val, "wrong value returned, got %r, expected %r" % (ret, val)) + self.assertEqual(remaining, result.asList(), + "list is in wrong state after pop, got %r, expected %r" % (result.asList(), remaining)) + print_() + + prevlist = result.asList() + ret = result.pop('name', default="noname") + print_(ret) + print_(result.asList()) + self.assertEqual(ret, "noname", + "default value not successfully returned, got %r, expected %r" % (ret, "noname")) + self.assertEqual(result.asList(), prevlist, + "list is in wrong state after pop, got %r, expected %r" % (result.asList(), remaining)) + + +class AddConditionTest(ParseTestCase): + def runTest(self): + from pyparsing import Word, nums, Suppress, ParseFatalException + + numParser = Word(nums) + numParser.addParseAction(lambda s,l,t: int(t[0])) + numParser.addCondition(lambda s,l,t: t[0] % 2) + numParser.addCondition(lambda s,l,t: t[0] >= 7) + + result = numParser.searchString("1 2 3 4 5 6 7 8 9 10") + print_(result.asList()) + self.assertEqual(result.asList(), [[7],[9]], "failed to properly process conditions") + + numParser = Word(nums) + numParser.addParseAction(lambda s,l,t: int(t[0])) + rangeParser = (numParser("from_") + Suppress('-') + numParser("to")) + + result = rangeParser.searchString("1-4 2-4 4-3 5 6 7 8 9 10") + print_(result.asList()) + self.assertEqual(result.asList(), [[1, 4], [2, 4], [4, 3]], "failed to properly process conditions") + + rangeParser.addCondition(lambda t: t.to > t.from_, message="from must be <= to", fatal=False) + result = rangeParser.searchString("1-4 2-4 4-3 5 6 7 8 9 10") + print_(result.asList()) + self.assertEqual(result.asList(), [[1, 4], [2, 4]], "failed to properly process conditions") + + rangeParser = (numParser("from_") + Suppress('-') + numParser("to")) + rangeParser.addCondition(lambda t: t.to > t.from_, message="from must be <= to", fatal=True) + try: + result = rangeParser.searchString("1-4 2-4 4-3 5 6 7 8 9 10") + self.assertTrue(False, "failed to interrupt parsing on fatal condition failure") + except ParseFatalException: + print_("detected fatal condition") + +class PatientOrTest(ParseTestCase): + def runTest(self): + import pyparsing as pp + + # Two expressions and a input string which could - syntactically - be matched against + # both expressions. The "Literal" expression is considered invalid though, so this PE + # should always detect the "Word" expression. + def validate(token): + if token[0] == "def": + raise pp.ParseException("signalling invalid token") + return token + + a = pp.Word("de").setName("Word")#.setDebug() + b = pp.Literal("def").setName("Literal").setParseAction(validate)#.setDebug() + c = pp.Literal("d").setName("d")#.setDebug() + + # The "Literal" expressions's ParseAction is not executed directly after syntactically + # detecting the "Literal" Expression but only after the Or-decision has been made + # (which is too late)... + try: + result = (a ^ b ^ c).parseString("def") + self.assertEqual(result.asList(), ['de'], "failed to select longest match, chose %s" % result) + except ParseException: + failed = True + else: + failed = False + self.assertFalse(failed, "invalid logic in Or, fails on longest match with exception in parse action") + +class EachWithOptionalWithResultsNameTest(ParseTestCase): + def runTest(self): + from pyparsing import Optional + + result = (Optional('foo')('one') & Optional('bar')('two')).parseString('bar foo') + print_(result.dump()) + self.assertEqual(sorted(result.keys()), ['one','two']) + +class UnicodeExpressionTest(ParseTestCase): + def runTest(self): + from pyparsing import Literal, ParseException + + z = 'a' | Literal(u'\u1111') + z.streamline() + try: + z.parseString('b') + except ParseException as pe: + if not PY_3: + self.assertEqual(pe.msg, r'''Expected {"a" | "\u1111"}''', + "Invalid error message raised, got %r" % pe.msg) + else: + self.assertEqual(pe.msg, r'''Expected {"a" | "ᄑ"}''', + "Invalid error message raised, got %r" % pe.msg) + +class SetNameTest(ParseTestCase): + def runTest(self): + from pyparsing import (oneOf,infixNotation,Word,nums,opAssoc,delimitedList,countedArray, + nestedExpr,makeHTMLTags,anyOpenTag,anyCloseTag,commonHTMLEntity,replaceHTMLEntity) + + a = oneOf("a b c") + b = oneOf("d e f") + arith_expr = infixNotation(Word(nums), + [ + (oneOf('* /'),2,opAssoc.LEFT), + (oneOf('+ -'),2,opAssoc.LEFT), + ]) + arith_expr2 = infixNotation(Word(nums), + [ + (('?',':'),3,opAssoc.LEFT), + ]) + + tests = [ + a, + b, + (a | b), + arith_expr, + arith_expr.expr, + arith_expr2, + arith_expr2.expr, + delimitedList(Word(nums).setName("int")), + countedArray(Word(nums).setName("int")), + nestedExpr(), + makeHTMLTags('Z'), + (anyOpenTag,anyCloseTag), + commonHTMLEntity, + commonHTMLEntity.setParseAction(replaceHTMLEntity).transformString("lsdjkf <lsdjkf>&'"&xyzzy;"), + ] + + expected = map(str.strip, """\ + a | b | c + d | e | f + {a | b | c | d | e | f} + Forward: ... + + | - term + Forward: ... + ?: term + int [, int]... + (len) int... + nested () expression + (<Z>, </Z>) + (<any tag>, </any tag>) + common HTML entity + lsdjkf <lsdjkf>&'"&xyzzy;""".splitlines()) + + for t,e in zip(tests, expected): + tname = str(t) + self.assertEqual(tname, e, "expression name mismatch, expected {} got {}".format(e, tname)) + +class TrimArityExceptionMaskingTest(ParseTestCase): + def runTest(self): + from pyparsing import Word + + invalid_message = [ + "<lambda>() takes exactly 1 argument (0 given)", + "<lambda>() missing 1 required positional argument: 't'" + ][PY_3] + try: + Word('a').setParseAction(lambda t: t[0]+1).parseString('aaa') + except Exception as e: + exc_msg = str(e) + self.assertNotEqual(exc_msg, invalid_message, "failed to catch TypeError thrown in _trim_arity") + +class TrimArityExceptionMaskingTest2(ParseTestCase): + def runTest(self): + # construct deep call tree + def A(): + import traceback + + traceback.print_stack(limit=2) + + from pyparsing import Word + + invalid_message = [ + "<lambda>() takes exactly 1 argument (0 given)", + "<lambda>() missing 1 required positional argument: 't'" + ][PY_3] + try: + Word('a').setParseAction(lambda t: t[0]+1).parseString('aaa') + except Exception as e: + exc_msg = str(e) + self.assertNotEqual(exc_msg, invalid_message, "failed to catch TypeError thrown in _trim_arity") + + + def B(): + A() + + def C(): + B() + + def D(): + C() + + def E(): + D() + + def F(): + E() + + def G(): + F() + + def H(): + G() + + def J(): + H() + + def K(): + J() + + K() + +class OneOrMoreStopTest(ParseTestCase): + def runTest(self): + from pyparsing import (Word, OneOrMore, alphas, Keyword, CaselessKeyword, + nums, alphanums) + + test = "BEGIN aaa bbb ccc END" + BEGIN,END = map(Keyword, "BEGIN,END".split(',')) + body_word = Word(alphas).setName("word") + for ender in (END, "END", CaselessKeyword("END")): + expr = BEGIN + OneOrMore(body_word, stopOn=ender) + END + self.assertEqual(test, expr, "Did not successfully stop on ending expression %r" % ender) + + number = Word(nums+',.()').setName("number with optional commas") + parser= (OneOrMore(Word(alphanums+'-/.'), stopOn=number)('id').setParseAction(' '.join) + + number('data')) + result = parser.parseString(' XXX Y/123 1,234.567890') + self.assertEqual(result.asList(), ['XXX Y/123', '1,234.567890'], + "Did not successfully stop on ending expression %r" % number) + +class ZeroOrMoreStopTest(ParseTestCase): + def runTest(self): + from pyparsing import (Word, ZeroOrMore, alphas, Keyword, CaselessKeyword) + + test = "BEGIN END" + BEGIN,END = map(Keyword, "BEGIN,END".split(',')) + body_word = Word(alphas).setName("word") + for ender in (END, "END", CaselessKeyword("END")): + expr = BEGIN + ZeroOrMore(body_word, stopOn=ender) + END + self.assertEqual(test, expr, "Did not successfully stop on ending expression %r" % ender) + +class NestedAsDictTest(ParseTestCase): + def runTest(self): + from pyparsing import Literal, Forward, alphanums, Group, delimitedList, Dict, Word, Optional + + equals = Literal("=").suppress() + lbracket = Literal("[").suppress() + rbracket = Literal("]").suppress() + lbrace = Literal("{").suppress() + rbrace = Literal("}").suppress() + + value_dict = Forward() + value_list = Forward() + value_string = Word(alphanums + "@. ") + + value = value_list ^ value_dict ^ value_string + values = Group(delimitedList(value, ",")) + #~ values = delimitedList(value, ",").setParseAction(lambda toks: [toks.asList()]) + + value_list << lbracket + values + rbracket + + identifier = Word(alphanums + "_.") + + assignment = Group(identifier + equals + Optional(value)) + assignments = Dict(delimitedList(assignment, ';')) + value_dict << lbrace + assignments + rbrace + + response = assignments + + rsp = 'username=goat; errors={username=[already taken, too short]}; empty_field=' + result_dict = response.parseString(rsp).asDict() + print_(result_dict) + self.assertEqual(result_dict['username'], 'goat', "failed to process string in ParseResults correctly") + self.assertEqual(result_dict['errors']['username'], ['already taken', 'too short'], + "failed to process nested ParseResults correctly") + +class TraceParseActionDecoratorTest(ParseTestCase): + def runTest(self): + from pyparsing import traceParseAction, Word, nums + + @traceParseAction + def convert_to_int(t): + return int(t[0]) + + class Z(object): + def __call__(self, other): + return other[0] * 1000 + + integer = Word(nums).addParseAction(convert_to_int) + integer.addParseAction(traceParseAction(lambda t: t[0]*10)) + integer.addParseAction(traceParseAction(Z())) + integer.parseString("132") + +class RunTestsTest(ParseTestCase): + def runTest(self): + from pyparsing import Word, nums, delimitedList + + integer = Word(nums).setParseAction(lambda t : int(t[0])) + intrange = integer("start") + '-' + integer("end") + intrange.addCondition(lambda t: t.end > t.start, message="invalid range, start must be <= end", fatal=True) + intrange.addParseAction(lambda t: list(range(t.start, t.end+1))) + + indices = delimitedList(intrange | integer) + indices.addParseAction(lambda t: sorted(set(t))) + + tests = """\ + # normal data + 1-3,2-4,6,8-10,16 + + # lone integer + 11""" + results = indices.runTests(tests, printResults=False)[1] + + expectedResults = [ + [1, 2, 3, 4, 6, 8, 9, 10, 16], + [11], + ] + for res, expected in zip(results, expectedResults): + print_(res[1].asList()) + print_(expected) + self.assertEqual(res[1].asList(), expected, "failed test: " + str(expected)) + + tests = """\ + # invalid range + 1-2, 3-1, 4-6, 7, 12 + """ + success = indices.runTests(tests, printResults=False, failureTests=True)[0] + self.assertTrue(success, "failed to raise exception on improper range test") + +class RunTestsPostParseTest(ParseTestCase): + def runTest(self): + import pyparsing as pp + + integer = pp.pyparsing_common.integer + fraction = integer('numerator') + '/' + integer('denominator') + + accum = [] + def eval_fraction(test, result): + accum.append((test, result.asList())) + return "eval: {}".format(result.numerator / result.denominator) + + success = fraction.runTests("""\ + 1/2 + 1/0 + """, postParse=eval_fraction)[0] + print_(success) + + self.assertTrue(success, "failed to parse fractions in RunTestsPostParse") + + expected_accum = [('1/2', [1, '/', 2]), ('1/0', [1, '/', 0])] + self.assertEqual(accum, expected_accum, "failed to call postParse method during runTests") + +class CommonExpressionsTest(ParseTestCase): + def runTest(self): + from pyparsing import pyparsing_common + import ast + + success = pyparsing_common.mac_address.runTests(""" + AA:BB:CC:DD:EE:FF + AA.BB.CC.DD.EE.FF + AA-BB-CC-DD-EE-FF + """)[0] + self.assertTrue(success, "error in parsing valid MAC address") + + success = pyparsing_common.mac_address.runTests(""" + # mixed delimiters + AA.BB:CC:DD:EE:FF + """, failureTests=True)[0] + self.assertTrue( success, "error in detecting invalid mac address") + + success = pyparsing_common.ipv4_address.runTests(""" + 0.0.0.0 + 1.1.1.1 + 127.0.0.1 + 1.10.100.199 + 255.255.255.255 + """)[0] + self.assertTrue(success, "error in parsing valid IPv4 address") + + success = pyparsing_common.ipv4_address.runTests(""" + # out of range value + 256.255.255.255 + """, failureTests=True)[0] + self.assertTrue(success, "error in detecting invalid IPv4 address") + + success = pyparsing_common.ipv6_address.runTests(""" + 2001:0db8:85a3:0000:0000:8a2e:0370:7334 + 2134::1234:4567:2468:1236:2444:2106 + 0:0:0:0:0:0:A00:1 + 1080::8:800:200C:417A + ::A00:1 + + # loopback address + ::1 + + # the null address + :: + + # ipv4 compatibility form + ::ffff:192.168.0.1 + """)[0] + self.assertTrue(success, "error in parsing valid IPv6 address") + + success = pyparsing_common.ipv6_address.runTests(""" + # too few values + 1080:0:0:0:8:800:200C + + # too many ::'s, only 1 allowed + 2134::1234:4567::2444:2106 + """, failureTests=True)[0] + self.assertTrue(success, "error in detecting invalid IPv6 address") + + success = pyparsing_common.number.runTests(""" + 100 + -100 + +100 + 3.14159 + 6.02e23 + 1e-12 + """)[0] + self.assertTrue(success, "error in parsing valid numerics") + + success = pyparsing_common.sci_real.runTests(""" + 1e12 + -1e12 + 3.14159 + 6.02e23 + """)[0] + self.assertTrue(success, "error in parsing valid scientific notation reals") + + # any int or real number, returned as float + success = pyparsing_common.fnumber.runTests(""" + 100 + -100 + +100 + 3.14159 + 6.02e23 + 1e-12 + """)[0] + self.assertTrue(success, "error in parsing valid numerics") + + success, results = pyparsing_common.iso8601_date.runTests(""" + 1997 + 1997-07 + 1997-07-16 + """) + self.assertTrue(success, "error in parsing valid iso8601_date") + expected = [ + ('1997', None, None), + ('1997', '07', None), + ('1997', '07', '16'), + ] + for r,exp in zip(results, expected): + self.assertTrue((r[1].year,r[1].month,r[1].day,) == exp, "failed to parse date into fields") + + success, results = pyparsing_common.iso8601_date().addParseAction(pyparsing_common.convertToDate()).runTests(""" + 1997-07-16 + """) + self.assertTrue(success, "error in parsing valid iso8601_date with parse action") + self.assertTrue(results[0][1][0] == datetime.date(1997, 7, 16)) + + success, results = pyparsing_common.iso8601_datetime.runTests(""" + 1997-07-16T19:20+01:00 + 1997-07-16T19:20:30+01:00 + 1997-07-16T19:20:30.45Z + 1997-07-16 19:20:30.45 + """) + self.assertTrue(success, "error in parsing valid iso8601_datetime") + + success, results = pyparsing_common.iso8601_datetime().addParseAction(pyparsing_common.convertToDatetime()).runTests(""" + 1997-07-16T19:20:30.45 + """) + self.assertTrue(success, "error in parsing valid iso8601_datetime") + self.assertTrue(results[0][1][0] == datetime.datetime(1997, 7, 16, 19, 20, 30, 450000)) + + success = pyparsing_common.uuid.runTests(""" + 123e4567-e89b-12d3-a456-426655440000 + """)[0] + self.assertTrue(success, "failed to parse valid uuid") + + success = pyparsing_common.fraction.runTests(""" + 1/2 + -15/16 + -3/-4 + """)[0] + self.assertTrue(success, "failed to parse valid fraction") + + success = pyparsing_common.mixed_integer.runTests(""" + 1/2 + -15/16 + -3/-4 + 1 1/2 + 2 -15/16 + 0 -3/-4 + 12 + """)[0] + self.assertTrue(success, "failed to parse valid mixed integer") + + success, results = pyparsing_common.number.runTests(""" + 100 + -3 + 1.732 + -3.14159 + 6.02e23""") + self.assertTrue(success, "failed to parse numerics") + + for test,result in results: + expected = ast.literal_eval(test) + self.assertEqual(result[0], expected, "numeric parse failed (wrong value) (%s should be %s)" % (result[0], expected)) + self.assertEqual(type(result[0]), type(expected), "numeric parse failed (wrong type) (%s should be %s)" % (type(result[0]), type(expected))) + + +class TokenMapTest(ParseTestCase): + def runTest(self): + from pyparsing import tokenMap, Word, hexnums, OneOrMore + + parser = OneOrMore(Word(hexnums)).setParseAction(tokenMap(int, 16)) + success, results = parser.runTests(""" + 00 11 22 aa FF 0a 0d 1a + """, printResults=False) + self.assertTrue(success, "failed to parse hex integers") + print_(results) + self.assertEqual(results[0][-1].asList(), [0, 17, 34, 170, 255, 10, 13, 26], "tokenMap parse action failed") + + +class ParseFileTest(ParseTestCase): + def runTest(self): + from pyparsing import pyparsing_common, OneOrMore + s = """ + 123 456 789 + """ + input_file = StringIO(s) + integer = pyparsing_common.integer + + results = OneOrMore(integer).parseFile(input_file) + print_(results) + + results = OneOrMore(integer).parseFile('test/parsefiletest_input_file.txt') + print_(results) + + +class HTMLStripperTest(ParseTestCase): + def runTest(self): + from pyparsing import pyparsing_common, originalTextFor, OneOrMore, Word, printables + + sample = """ + <html> + Here is some sample <i>HTML</i> text. + </html> + """ + read_everything = originalTextFor(OneOrMore(Word(printables))) + read_everything.addParseAction(pyparsing_common.stripHTMLTags) + + result = read_everything.parseString(sample) + self.assertEqual(result[0].strip(), 'Here is some sample HTML text.') + +class ExprSplitterTest(ParseTestCase): + def runTest(self): + + from pyparsing import Literal, quotedString, pythonStyleComment, Empty + + expr = Literal(';') + Empty() + expr.ignore(quotedString) + expr.ignore(pythonStyleComment) + + + sample = """ + def main(): + this_semi_does_nothing(); + neither_does_this_but_there_are_spaces_afterward(); + a = "a;b"; return a # this is a comment; it has a semicolon! + + def b(): + if False: + z=1000;b("; in quotes"); c=200;return z + return ';' + + class Foo(object): + def bar(self): + '''a docstring; with a semicolon''' + a = 10; b = 11; c = 12 + + # this comment; has several; semicolons + if self.spam: + x = 12; return x # so; does; this; one + x = 15;;; y += x; return y + + def baz(self): + return self.bar + """ + expected = [ + [' this_semi_does_nothing()', ''], + [' neither_does_this_but_there_are_spaces_afterward()', ''], + [' a = "a;b"', 'return a # this is a comment; it has a semicolon!'], + [' z=1000', 'b("; in quotes")', 'c=200', 'return z'], + [" return ';'"], + [" '''a docstring; with a semicolon'''"], + [' a = 10', 'b = 11', 'c = 12'], + [' # this comment; has several; semicolons'], + [' x = 12', 'return x # so; does; this; one'], + [' x = 15', '', '', 'y += x', 'return y'], + ] + + exp_iter = iter(expected) + for line in filter(lambda ll: ';' in ll, sample.splitlines()): + print_(str(list(expr.split(line)))+',') + self.assertEqual(list(expr.split(line)), next(exp_iter), "invalid split on expression") + + print_() + + expected = [ + [' this_semi_does_nothing()', ';', ''], + [' neither_does_this_but_there_are_spaces_afterward()', ';', ''], + [' a = "a;b"', ';', 'return a # this is a comment; it has a semicolon!'], + [' z=1000', ';', 'b("; in quotes")', ';', 'c=200', ';', 'return z'], + [" return ';'"], + [" '''a docstring; with a semicolon'''"], + [' a = 10', ';', 'b = 11', ';', 'c = 12'], + [' # this comment; has several; semicolons'], + [' x = 12', ';', 'return x # so; does; this; one'], + [' x = 15', ';', '', ';', '', ';', 'y += x', ';', 'return y'], + ] + exp_iter = iter(expected) + for line in filter(lambda ll: ';' in ll, sample.splitlines()): + print_(str(list(expr.split(line, includeSeparators=True)))+',') + self.assertEqual(list(expr.split(line, includeSeparators=True)), next(exp_iter), + "invalid split on expression") + + print_() + + + expected = [ + [' this_semi_does_nothing()', ''], + [' neither_does_this_but_there_are_spaces_afterward()', ''], + [' a = "a;b"', 'return a # this is a comment; it has a semicolon!'], + [' z=1000', 'b("; in quotes"); c=200;return z'], + [' a = 10', 'b = 11; c = 12'], + [' x = 12', 'return x # so; does; this; one'], + [' x = 15', ';; y += x; return y'], + ] + exp_iter = iter(expected) + for line in sample.splitlines(): + pieces = list(expr.split(line, maxsplit=1)) + print_(str(pieces)+',') + if len(pieces) == 2: + exp = next(exp_iter) + self.assertEqual(pieces, exp, "invalid split on expression with maxSplits=1") + elif len(pieces) == 1: + self.assertEqual(len(expr.searchString(line)), 0, "invalid split with maxSplits=1 when expr not present") + else: + print_("\n>>> " + line) + self.assertTrue(False, "invalid split on expression with maxSplits=1, corner case") + +class ParseFatalExceptionTest(ParseTestCase): + def runTest(self): + + from pyparsing import Word, nums, ParseFatalException + + success = False + try: + expr = "ZZZ" - Word(nums) + expr.parseString("ZZZ bad") + except ParseFatalException as pfe: + print_('ParseFatalException raised correctly') + success = True + except Exception as e: + print_(type(e)) + print_(e) + + self.assertTrue(success, "bad handling of syntax error") + +class InlineLiteralsUsingTest(ParseTestCase): + def runTest(self): + + from pyparsing import ParserElement, Suppress, Literal, CaselessLiteral, Word, alphas, oneOf, CaselessKeyword, nums + + with AutoReset(ParserElement, "_literalStringClass"): + ParserElement.inlineLiteralsUsing(Suppress) + wd = Word(alphas) + result = (wd + ',' + wd + oneOf("! . ?")).parseString("Hello, World!") + self.assertEqual(len(result), 3, "inlineLiteralsUsing(Suppress) failed!") + + ParserElement.inlineLiteralsUsing(Literal) + result = (wd + ',' + wd + oneOf("! . ?")).parseString("Hello, World!") + self.assertEqual(len(result), 4, "inlineLiteralsUsing(Literal) failed!") + + ParserElement.inlineLiteralsUsing(CaselessKeyword) + result = ("SELECT" + wd + "FROM" + wd).parseString("select color from colors") + self.assertEqual(result.asList(), "SELECT color FROM colors".split(), + "inlineLiteralsUsing(CaselessKeyword) failed!") + + ParserElement.inlineLiteralsUsing(CaselessLiteral) + result = ("SELECT" + wd + "FROM" + wd).parseString("select color from colors") + self.assertEqual(result.asList(), "SELECT color FROM colors".split(), + "inlineLiteralsUsing(CaselessLiteral) failed!") + + integer = Word(nums) + ParserElement.inlineLiteralsUsing(Literal) + date_str = integer("year") + '/' + integer("month") + '/' + integer("day") + result = date_str.parseString("1999/12/31") + self.assertEqual(result.asList(), ['1999', '/', '12', '/', '31'], "inlineLiteralsUsing(example 1) failed!") + + # change to Suppress + ParserElement.inlineLiteralsUsing(Suppress) + date_str = integer("year") + '/' + integer("month") + '/' + integer("day") + + result = date_str.parseString("1999/12/31") # -> ['1999', '12', '31'] + self.assertEqual(result.asList(), ['1999', '12', '31'], "inlineLiteralsUsing(example 2) failed!") + +class CloseMatchTest(ParseTestCase): + def runTest(self): + import pyparsing as pp + + searchseq = pp.CloseMatch("ATCATCGAATGGA", 2) + + _, results = searchseq.runTests(""" + ATCATCGAATGGA + XTCATCGAATGGX + ATCATCGAAXGGA + ATCAXXGAATGGA + ATCAXXGAATGXA + ATCAXXGAATGG + """) + expected = ( + [], + [0,12], + [9], + [4,5], + None, + None + ) + + for r, exp in zip(results, expected): + if exp is not None: + self.assertEquals(r[1].mismatches, exp, + "fail CloseMatch between %r and %r" % (searchseq.match_string, r[0])) + print_(r[0], 'exc: %s' % r[1] if exp is None and isinstance(r[1], Exception) + else ("no match", "match")[r[1].mismatches == exp]) + +class DefaultKeywordCharsTest(ParseTestCase): + def runTest(self): + import pyparsing as pp + + try: + pp.Keyword("start").parseString("start1000") + except pp.ParseException: + pass + else: + self.assertTrue(False, "failed to fail on default keyword chars") + + try: + pp.Keyword("start", identChars=pp.alphas).parseString("start1000") + except pp.ParseException: + self.assertTrue(False, "failed to match keyword using updated keyword chars") + else: + pass + + with AutoReset(pp.Keyword, "DEFAULT_KEYWORD_CHARS"): + pp.Keyword.setDefaultKeywordChars(pp.alphas) + try: + pp.Keyword("start").parseString("start1000") + except pp.ParseException: + self.assertTrue(False, "failed to match keyword using updated keyword chars") + else: + pass + + try: + pp.CaselessKeyword("START").parseString("start1000") + except pp.ParseException: + pass + else: + self.assertTrue(False, "failed to fail on default keyword chars") + + try: + pp.CaselessKeyword("START", identChars=pp.alphas).parseString("start1000") + except pp.ParseException: + self.assertTrue(False, "failed to match keyword using updated keyword chars") + else: + pass + + with AutoReset(pp.Keyword, "DEFAULT_KEYWORD_CHARS"): + pp.Keyword.setDefaultKeywordChars(pp.alphas) + try: + pp.CaselessKeyword("START").parseString("start1000") + except pp.ParseException: + self.assertTrue(False, "failed to match keyword using updated keyword chars") + else: + pass + +class ColTest(ParseTestCase): + def runTest(self): + + test = "*\n* \n* ALF\n*\n" + initials = [c for i, c in enumerate(test) if pp.col(i, test) == 1] + print_(initials) + self.assertTrue(len(initials) == 4 and all(c=='*' for c in initials), 'fail col test') + +class LiteralExceptionTest(ParseTestCase): + def runTest(self): + import pyparsing as pp + + for cls in (pp.Literal, pp.CaselessLiteral, pp.Keyword, pp.CaselessKeyword, + pp.Word, pp.Regex): + expr = cls('xyz')#.setName('{}_expr'.format(cls.__name__.lower())) + + try: + expr.parseString(' ') + except Exception as e: + print_(cls.__name__, str(e)) + self.assertTrue(isinstance(e, pp.ParseBaseException), + "class {} raised wrong exception type {}".format(cls.__name__, type(e).__name__)) + +class ParseActionExceptionTest(ParseTestCase): + def runTest(self): + import pyparsing as pp + import traceback + + number = pp.Word(pp.nums) + def number_action(): + raise IndexError # this is the important line! + + number.setParseAction(number_action) + symbol = pp.Word('abcd', max=1) + expr = number | symbol + + try: + expr.parseString('1 + 2') + except Exception as e: + self.assertTrue(hasattr(e, '__cause__'), "no __cause__ attribute in the raised exception") + self.assertTrue(e.__cause__ is not None, "__cause__ not propagated to outer exception") + self.assertTrue(type(e.__cause__) == IndexError, "__cause__ references wrong exception") + traceback.print_exc() + else: + self.assertTrue(False, "Expected ParseException not raised") + +class ParseActionNestingTest(ParseTestCase): + # tests Issue #22 + def runTest(self): + + vals = pp.OneOrMore(pp.pyparsing_common.integer)("int_values") + def add_total(tokens): + tokens['total'] = sum(tokens) + return tokens + vals.addParseAction(add_total) + results = vals.parseString("244 23 13 2343") + print_(results.dump()) + self.assertEqual(results.int_values.asDict(), {}, "noop parse action changed ParseResults structure") + + name = pp.Word(pp.alphas)('name') + score = pp.Word(pp.nums + '.')('score') + nameScore = pp.Group(name + score) + line1 = nameScore('Rider') + + result1 = line1.parseString('Mauney 46.5') + + print_("### before parse action is added ###") + print_("result1.dump():\n" + result1.dump() + "\n") + before_pa_dict = result1.asDict() + + line1.setParseAction(lambda t: t) + + result1 = line1.parseString('Mauney 46.5') + after_pa_dict = result1.asDict() + + print_("### after parse action was added ###") + print_("result1.dump():\n" + result1.dump() + "\n") + self.assertEqual(before_pa_dict, after_pa_dict, "noop parse action changed ParseResults structure") + +class ParseResultsNameBelowUngroupedNameTest(ParseTestCase): + def runTest(self): + import pyparsing as pp + + rule_num = pp.Regex("[0-9]+")("LIT_NUM*") + list_num = pp.Group(pp.Literal("[")("START_LIST") + + pp.delimitedList(rule_num)("LIST_VALUES") + + pp.Literal("]")("END_LIST"))("LIST") + + test_string = "[ 1,2,3,4,5,6 ]" + list_num.runTests(test_string) + + U = list_num.parseString(test_string) + self.assertTrue("LIT_NUM" not in U.LIST.LIST_VALUES, "results name retained as sub in ungrouped named result") + +class ParseResultsNamesInGroupWithDictTest(ParseTestCase): + def runTest(self): + import pyparsing as pp + + key = pp.pyparsing_common.identifier() + value = pp.pyparsing_common.integer() + lat = pp.pyparsing_common.real() + long = pp.pyparsing_common.real() + EQ = pp.Suppress('=') + + data = lat("lat") + long("long") + pp.Dict(pp.OneOrMore(pp.Group(key + EQ + value))) + site = pp.QuotedString('"')("name") + pp.Group(data)("data") + + test_string = '"Golden Gate Bridge" 37.819722 -122.478611 height=746 span=4200' + site.runTests(test_string) + + # U = list_num.parseString(test_string) + # self.assertTrue("LIT_NUM" not in U.LIST.LIST_VALUES, "results name retained as sub in ungrouped named result") + +class FollowedByTest(ParseTestCase): + def runTest(self): + expr = pp.Word(pp.alphas)("item") + pp.FollowedBy(pp.pyparsing_common.integer("qty")) + result = expr.parseString("balloon 99") + print_(result.dump()) + self.assertTrue('qty' in result, "failed to capture results name in FollowedBy") + self.assertEqual(result.asDict(), {'item': 'balloon', 'qty': 99}, + "invalid results name structure from FollowedBy") + +class SetBreakTest(ParseTestCase): + """ + Test behavior of ParserElement.setBreak(), to invoke the debugger before parsing that element is attempted. + + Temporarily monkeypatches pdb.set_trace. + """ + def runTest(self): + was_called = [] + def mock_set_trace(): + was_called.append(True) + + import pyparsing as pp + wd = pp.Word(pp.alphas) + wd.setBreak() + + print_("Before parsing with setBreak:", was_called) + import pdb + with AutoReset(pdb, "set_trace"): + pdb.set_trace = mock_set_trace + wd.parseString("ABC") + + print_("After parsing with setBreak:", was_called) + self.assertTrue(bool(was_called), "set_trace wasn't called by setBreak") + +class UnicodeTests(ParseTestCase): + def runTest(self): + import pyparsing as pp + p_u = pp.pyparsing_unicode + + # verify proper merging of ranges by addition + kanji_printables = p_u.Japanese.Kanji.printables + katakana_printables = p_u.Japanese.Katakana.printables + hiragana_printables = p_u.Japanese.Hiragana.printables + japanese_printables = p_u.Japanese.printables + self.assertEqual(set(japanese_printables), set(kanji_printables + + katakana_printables + + hiragana_printables), + "failed to construct ranges by merging Japanese types") + + # verify proper merging of ranges using multiple inheritance + cjk_printables = p_u.CJK.printables + self.assertEqual(len(cjk_printables), len(set(cjk_printables)), + "CJK contains duplicate characters - all should be unique") + + chinese_printables = p_u.Chinese.printables + korean_printables = p_u.Korean.printables + print_(len(cjk_printables), len(set(chinese_printables + + korean_printables + + japanese_printables))) + + self.assertEqual(len(cjk_printables), len(set(chinese_printables + + korean_printables + + japanese_printables)), + "failed to construct ranges by merging Chinese, Japanese and Korean") + + alphas = pp.pyparsing_unicode.Greek.alphas + greet = pp.Word(alphas) + ',' + pp.Word(alphas) + '!' + + # input string + hello = u"Καλημέρα, κόσμε!" + result = greet.parseString(hello) + print_(result) + self.assertTrue(result.asList() == [u'Καλημέρα', ',', u'κόσμε', '!'], + "Failed to parse Greek 'Hello, World!' using pyparsing_unicode.Greek.alphas") + + # define a custom unicode range using multiple inheritance + class Turkish_set(pp.pyparsing_unicode.Latin1, pp.pyparsing_unicode.LatinA): + pass + + self.assertEqual(set(Turkish_set.printables), + set(pp.pyparsing_unicode.Latin1.printables + + pp.pyparsing_unicode.LatinA.printables), + "failed to construct ranges by merging Latin1 and LatinA (printables)") + + self.assertEqual(set(Turkish_set.alphas), + set(pp.pyparsing_unicode.Latin1.alphas + + pp.pyparsing_unicode.LatinA.alphas), + "failed to construct ranges by merging Latin1 and LatinA (alphas)") + + self.assertEqual(set(Turkish_set.nums), + set(pp.pyparsing_unicode.Latin1.nums + + pp.pyparsing_unicode.LatinA.nums), + "failed to construct ranges by merging Latin1 and LatinA (nums)") + + key = pp.Word(Turkish_set.alphas) + value = pp.pyparsing_common.integer | pp.Word(Turkish_set.alphas, Turkish_set.alphanums) + EQ = pp.Suppress('=') + key_value = key + EQ + value + + sample = u"""\ + şehir=İzmir + ülke=Türkiye + nüfus=4279677""" + result = pp.Dict(pp.OneOrMore(pp.Group(key_value))).parseString(sample) + + print_(result.asDict()) + self.assertEqual(result.asDict(), {u'şehir': u'İzmir', u'ülke': u'Türkiye', u'nüfus': 4279677}, + "Failed to parse Turkish key-value pairs") + +class IndentedBlockTest(ParseTestCase): + # parse pseudo-yaml indented text + def runTest(self): + if pp.ParserElement.packrat_cache: + print_("cannot test indentedBlock with packrat enabled") + return + import textwrap + + EQ = pp.Suppress('=') + stack = [1] + key = pp.pyparsing_common.identifier + value = pp.Forward() + key_value = key + EQ + value + compound_value = pp.Dict(pp.ungroup(pp.indentedBlock(key_value, stack))) + value <<= pp.pyparsing_common.integer | pp.QuotedString("'") | compound_value + parser = pp.Dict(pp.OneOrMore(pp.Group(key_value))) + + text = """\ + a = 100 + b = 101 + c = + c1 = 200 + c2 = + c21 = 999 + c3 = 'A horse, a horse, my kingdom for a horse' + d = 505 + """ + text = textwrap.dedent(text) + print_(text) + + result = parser.parseString(text) + print_(result.dump()) + self.assertEqual(result.a, 100, "invalid indented block result") + self.assertEqual(result.c.c1, 200, "invalid indented block result") + self.assertEqual(result.c.c2.c21, 999, "invalid indented block result") + +class ParseResultsWithNameMatchFirst(ParseTestCase): + def runTest(self): + import pyparsing as pp + expr_a = pp.Literal('not') + pp.Literal('the') + pp.Literal('bird') + expr_b = pp.Literal('the') + pp.Literal('bird') + expr = (expr_a | expr_b)('rexp') + expr.runTests("""\ + not the bird + the bird + """) + self.assertEqual(list(expr.parseString('not the bird')['rexp']), 'not the bird'.split()) + self.assertEqual(list(expr.parseString('the bird')['rexp']), 'the bird'.split()) + +class ParseResultsWithNameOr(ParseTestCase): + def runTest(self): + import pyparsing as pp + expr_a = pp.Literal('not') + pp.Literal('the') + pp.Literal('bird') + expr_b = pp.Literal('the') + pp.Literal('bird') + expr = (expr_a ^ expr_b)('rexp') + expr.runTests("""\ + not the bird + the bird + """) + self.assertEqual(list(expr.parseString('not the bird')['rexp']), 'not the bird'.split()) + self.assertEqual(list(expr.parseString('the bird')['rexp']), 'the bird'.split()) + +class EmptyDictDoesNotRaiseException(ParseTestCase): + def runTest(self): + import pyparsing as pp + + key = pp.Word(pp.alphas) + value = pp.Word(pp.nums) + EQ = pp.Suppress('=') + key_value_dict = pp.dictOf(key, EQ + value) + + print_(key_value_dict.parseString("""\ + a = 10 + b = 20 + """).dump()) + + try: + print_(key_value_dict.parseString("").dump()) + except pp.ParseException as pe: + print_(pp.ParseException.explain(pe)) + else: + self.assertTrue(False, "failed to raise exception when matching empty string") + +class ExplainExceptionTest(ParseTestCase): + def runTest(self): + import pyparsing as pp + + expr = pp.Word(pp.nums).setName("int") + pp.Word(pp.alphas).setName("word") + try: + expr.parseString("123 355") + except pp.ParseException as pe: + print_(pp.ParseException.explain(pe, depth=0)) + + expr = pp.Word(pp.nums).setName("int") - pp.Word(pp.alphas).setName("word") + try: + expr.parseString("123 355 (test using ErrorStop)") + except pp.ParseSyntaxException as pe: + print_(pp.ParseException.explain(pe)) + + integer = pp.Word(pp.nums).setName("int").addParseAction(lambda t: int(t[0])) + expr = integer + integer + + def divide_args(t): + integer.parseString("A") + return t[0] / t[1] + + expr.addParseAction(divide_args) + pp.ParserElement.enablePackrat() + print_() + # ~ print(expr.parseString("125 25")) + + try: + expr.parseString("123 0") + except pp.ParseException as pe: + print_(pp.ParseException.explain(pe)) + except Exception as exc: + print_(pp.ParseException.explain(exc)) + raise + + +class MiscellaneousParserTests(ParseTestCase): + def runTest(self): + + runtests = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + if IRON_PYTHON_ENV: + runtests = "ABCDEGHIJKLMNOPQRSTUVWXYZ" + + # test making oneOf with duplicate symbols + if "A" in runtests: + print_("verify oneOf handles duplicate symbols") + try: + test1 = pp.oneOf("a b c d a") + except RuntimeError: + self.assertTrue(False,"still have infinite loop in oneOf with duplicate symbols (string input)") + + print_("verify oneOf handles generator input") + try: + test1 = pp.oneOf(c for c in "a b c d a" if not c.isspace()) + except RuntimeError: + self.assertTrue(False,"still have infinite loop in oneOf with duplicate symbols (generator input)") + + print_("verify oneOf handles list input") + try: + test1 = pp.oneOf("a b c d a".split()) + except RuntimeError: + self.assertTrue(False,"still have infinite loop in oneOf with duplicate symbols (list input)") + + print_("verify oneOf handles set input") + try: + test1 = pp.oneOf(set("a b c d a")) + except RuntimeError: + self.assertTrue(False,"still have infinite loop in oneOf with duplicate symbols (set input)") + + # test MatchFirst bugfix + if "B" in runtests: + print_("verify MatchFirst iterates properly") + results = pp.quotedString.parseString("'this is a single quoted string'") + self.assertTrue(len(results) > 0, "MatchFirst error - not iterating over all choices") + + # verify streamline of subexpressions + if "C" in runtests: + print_("verify proper streamline logic") + compound = pp.Literal("A") + "B" + "C" + "D" + self.assertEqual(len(compound.exprs), 2,"bad test setup") + print_(compound) + compound.streamline() + print_(compound) + self.assertEqual(len(compound.exprs), 4,"streamline not working") + + # test for Optional with results name and no match + if "D" in runtests: + print_("verify Optional's do not cause match failure if have results name") + testGrammar = pp.Literal("A") + pp.Optional("B")("gotB") + pp.Literal("C") + try: + testGrammar.parseString("ABC") + testGrammar.parseString("AC") + except pp.ParseException as pe: + print_(pe.pstr,"->",pe) + self.assertTrue(False, "error in Optional matching of string %s" % pe.pstr) + + # test return of furthest exception + if "E" in runtests: + testGrammar = ( pp.Literal("A") | + ( pp.Optional("B") + pp.Literal("C") ) | + pp.Literal("D") ) + try: + testGrammar.parseString("BC") + testGrammar.parseString("BD") + except pp.ParseException as pe: + print_(pe.pstr,"->",pe) + self.assertEqual(pe.pstr, "BD", "wrong test string failed to parse") + self.assertEqual(pe.loc, 1, "error in Optional matching, pe.loc="+str(pe.loc)) + + # test validate + if "F" in runtests: + print_("verify behavior of validate()") + def testValidation( grmr, gnam, isValid ): + try: + grmr.streamline() + grmr.validate() + self.assertTrue(isValid,"validate() accepted invalid grammar " + gnam) + except pp.RecursiveGrammarException as e: + print_(grmr) + self.assertFalse(isValid, "validate() rejected valid grammar " + gnam) + + fwd = pp.Forward() + g1 = pp.OneOrMore( ( pp.Literal("A") + "B" + "C" ) | fwd ) + g2 = pp.ZeroOrMore("C" + g1) + fwd << pp.Group(g2) + testValidation( fwd, "fwd", isValid=True ) + + fwd2 = pp.Forward() + fwd2 << pp.Group("A" | fwd2) + testValidation( fwd2, "fwd2", isValid=False ) + + fwd3 = pp.Forward() + fwd3 << pp.Optional("A") + fwd3 + testValidation( fwd3, "fwd3", isValid=False ) + + # test getName + if "G" in runtests: + print_("verify behavior of getName()") + aaa = pp.Group(pp.Word("a")("A")) + bbb = pp.Group(pp.Word("b")("B")) + ccc = pp.Group(":" + pp.Word("c")("C")) + g1 = "XXX" + pp.ZeroOrMore( aaa | bbb | ccc ) + teststring = "XXX b bb a bbb bbbb aa bbbbb :c bbbbbb aaa" + names = [] + print_(g1.parseString(teststring).dump()) + for t in g1.parseString(teststring): + print_(t, repr(t)) + try: + names.append( t[0].getName() ) + except Exception: + try: + names.append( t.getName() ) + except Exception: + names.append( None ) + print_(teststring) + print_(names) + self.assertEqual(names, [None, 'B', 'B', 'A', 'B', 'B', 'A', 'B', None, 'B', 'A'], + "failure in getting names for tokens") + + from pyparsing import Keyword, Word, alphas, OneOrMore + IF,AND,BUT = map(Keyword, "if and but".split()) + ident = ~(IF | AND | BUT) + Word(alphas)("non-key") + scanner = OneOrMore(IF | AND | BUT | ident) + def getNameTester(s,l,t): + print_(t, t.getName()) + ident.addParseAction(getNameTester) + scanner.parseString("lsjd sldkjf IF Saslkj AND lsdjf") + + # test ParseResults.get() method + if "H" in runtests: + print_("verify behavior of ParseResults.get()") + # use sum() to merge separate groups into single ParseResults + res = sum(g1.parseString(teststring)[1:]) + print_(res.dump()) + print_(res.get("A","A not found")) + print_(res.get("D","!D")) + self.assertEqual(res.get("A","A not found"), "aaa", "get on existing key failed") + self.assertEqual(res.get("D","!D"), "!D", "get on missing key failed") + + if "I" in runtests: + print_("verify handling of Optional's beyond the end of string") + testGrammar = "A" + pp.Optional("B") + pp.Optional("C") + pp.Optional("D") + testGrammar.parseString("A") + testGrammar.parseString("AB") + + # test creating Literal with empty string + if "J" in runtests: + print_('verify non-fatal usage of Literal("")') + e = pp.Literal("") + try: + e.parseString("SLJFD") + except Exception as e: + self.assertTrue(False, "Failed to handle empty Literal") + + # test line() behavior when starting at 0 and the opening line is an \n + if "K" in runtests: + print_('verify correct line() behavior when first line is empty string') + self.assertEqual(pp.line(0, "\nabc\ndef\n"), '', "Error in line() with empty first line in text") + txt = "\nabc\ndef\n" + results = [ pp.line(i,txt) for i in range(len(txt)) ] + self.assertEqual(results, ['', 'abc', 'abc', 'abc', 'abc', 'def', 'def', 'def', 'def'], + "Error in line() with empty first line in text") + txt = "abc\ndef\n" + results = [ pp.line(i,txt) for i in range(len(txt)) ] + self.assertEqual(results, ['abc', 'abc', 'abc', 'abc', 'def', 'def', 'def', 'def'], + "Error in line() with non-empty first line in text") + + # test bugfix with repeated tokens when packrat parsing enabled + if "L" in runtests: + print_('verify behavior with repeated tokens when packrat parsing is enabled') + a = pp.Literal("a") + b = pp.Literal("b") + c = pp.Literal("c") + + abb = a + b + b + abc = a + b + c + aba = a + b + a + grammar = abb | abc | aba + + self.assertEqual(''.join(grammar.parseString( "aba" )), 'aba', "Packrat ABA failure!") + + if "M" in runtests: + print_('verify behavior of setResultsName with OneOrMore and ZeroOrMore') + + stmt = pp.Keyword('test') + print_(pp.ZeroOrMore(stmt)('tests').parseString('test test').tests) + print_(pp.OneOrMore(stmt)('tests').parseString('test test').tests) + print_(pp.Optional(pp.OneOrMore(stmt)('tests')).parseString('test test').tests) + print_(pp.Optional(pp.OneOrMore(stmt))('tests').parseString('test test').tests) + print_(pp.Optional(pp.delimitedList(stmt))('tests').parseString('test,test').tests) + self.assertEqual(len(pp.ZeroOrMore(stmt)('tests').parseString('test test').tests), 2, "ZeroOrMore failure with setResultsName") + self.assertEqual(len(pp.OneOrMore(stmt)('tests').parseString('test test').tests), 2, "OneOrMore failure with setResultsName") + self.assertEqual(len(pp.Optional(pp.OneOrMore(stmt)('tests')).parseString('test test').tests), 2, "OneOrMore failure with setResultsName") + self.assertEqual(len(pp.Optional(pp.delimitedList(stmt))('tests').parseString('test,test').tests), 2, "delimitedList failure with setResultsName") + self.assertEqual(len((stmt*2)('tests').parseString('test test').tests), 2, "multiplied(1) failure with setResultsName") + self.assertEqual(len((stmt*(None,2))('tests').parseString('test test').tests), 2, "multiplied(2) failure with setResultsName") + self.assertEqual(len((stmt*(1,))('tests').parseString('test test').tests), 2, "multipled(3) failure with setResultsName") + self.assertEqual(len((stmt*(2,))('tests').parseString('test test').tests), 2, "multipled(3) failure with setResultsName") + +def makeTestSuite(): + import inspect + suite = TestSuite() + suite.addTest( PyparsingTestInit() ) + + test_case_classes = ParseTestCase.__subclasses__() + # put classes in order as they are listed in the source code + test_case_classes.sort(key=lambda cls: inspect.getsourcelines(cls)[1]) + + test_case_classes.remove(PyparsingTestInit) + # test_case_classes.remove(ParseASMLTest) + test_case_classes.remove(EnablePackratParsing) + if IRON_PYTHON_ENV: + test_case_classes.remove(OriginalTextForTest) + + suite.addTests(T() for T in test_case_classes) + + if TEST_USING_PACKRAT: + # retest using packrat parsing (disable those tests that aren't compatible) + suite.addTest( EnablePackratParsing() ) + + unpackrattables = [ PyparsingTestInit, EnablePackratParsing, RepeaterTest, ] + + # add tests to test suite a second time, to run with packrat parsing + # (leaving out those that we know wont work with packrat) + packratTests = [t.__class__() for t in suite._tests + if t.__class__ not in unpackrattables] + suite.addTests( packratTests ) + + return suite + +def makeTestSuiteTemp(classes): + suite = TestSuite() + suite.addTest(PyparsingTestInit()) + for cls in classes: + suite.addTest(cls()) + return suite + +if __name__ == '__main__': + + testRunner = TextTestRunner() + + # run specific tests by including them in this list, otherwise + # all tests will be run + testclasses = [ + ] + + if not testclasses: + testRunner.run(makeTestSuite()) + else: + BUFFER_OUTPUT = False + testRunner.run(makeTestSuiteTemp(testclasses)) |