diff options
Diffstat (limited to 'examples/sparser.py')
| -rw-r--r-- | examples/sparser.py | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/examples/sparser.py b/examples/sparser.py index c3c3da0..68d8a52 100644 --- a/examples/sparser.py +++ b/examples/sparser.py @@ -2,7 +2,7 @@ """
NAME:
- sparser.py
+ sparser.py
SYNOPSIS:
sparser.py [options] filename
@@ -64,7 +64,7 @@ debug_p = 0 #---positional args, default is empty---
-pargs = []
+pargs = []
#---other---
@@ -86,7 +86,7 @@ def fatal(ftn, txt): """If can't continue."""
msg = "{}.{}:FATAL:{}\n".format(modname, ftn, txt)
raise SystemExit(msg)
-
+
def usage():
"""Prints the docstring."""
print(__doc__)
@@ -129,10 +129,10 @@ class ParseFileLineByLine: or '~user' to indicate a home directory, as well as URLs (for reading
only).
- Constructor:
+ Constructor:
ParseFileLineByLine(|filename|, |mode|='"r"'), where |filename| is the name
of the file (or a URL) and |mode| is one of '"r"' (read), '"w"' (write) or
- '"a"' (append, not supported for .Z files).
+ '"a"' (append, not supported for .Z files).
"""
def __init__(self, filename, mode = 'r'):
@@ -154,27 +154,27 @@ class ParseFileLineByLine: raise IOError(2, 'No such file or directory: ' + filename)
filen, file_extension = os.path.splitext(filename)
command_dict = {
- ('.Z', 'r'):
+ ('.Z', 'r'):
"self.file = os.popen('uncompress -c ' + filename, mode)",
- ('.gz', 'r'):
+ ('.gz', 'r'):
"self.file = gzip.GzipFile(filename, 'rb')",
- ('.bz2', 'r'):
+ ('.bz2', 'r'):
"self.file = os.popen('bzip2 -dc ' + filename, mode)",
- ('.Z', 'w'):
+ ('.Z', 'w'):
"self.file = os.popen('compress > ' + filename, mode)",
- ('.gz', 'w'):
+ ('.gz', 'w'):
"self.file = gzip.GzipFile(filename, 'wb')",
- ('.bz2', 'w'):
+ ('.bz2', 'w'):
"self.file = os.popen('bzip2 > ' + filename, mode)",
- ('.Z', 'a'):
+ ('.Z', 'a'):
"raise IOError, (0, 'Can\'t append to .Z files')",
- ('.gz', 'a'):
+ ('.gz', 'a'):
"self.file = gzip.GzipFile(filename, 'ab')",
- ('.bz2', 'a'):
+ ('.bz2', 'a'):
"raise IOError, (0, 'Can\'t append to .bz2 files')",
}
- exec(command_dict.get((file_extension, mode),
+ exec(command_dict.get((file_extension, mode),
'self.file = open(filename, mode)'))
self.grammar = None
@@ -211,54 +211,54 @@ class ParseFileLineByLine: decimal_sep = "."
sign = oneOf("+ -")
# part of printables without decimal_sep, +, -
- special_chars = string.replace('!"#$%&\'()*,./:;<=>?@[\\]^_`{|}~',
- decimal_sep, "")
+ special_chars = string.replace('!"#$%&\'()*,./:;<=>?@[\\]^_`{|}~',
+ decimal_sep, "")
integer = ToInteger(
- Combine(Optional(sign) +
+ Combine(Optional(sign) +
Word(nums))).setName("integer")
positive_integer = ToInteger(
- Combine(Optional("+") +
+ Combine(Optional("+") +
Word(nums))).setName("integer")
negative_integer = ToInteger(
- Combine("-" +
+ Combine("-" +
Word(nums))).setName("integer")
real = ToFloat(
- Combine(Optional(sign) +
- Word(nums) +
- decimal_sep +
- Optional(Word(nums)) +
- Optional(oneOf("E e") +
+ Combine(Optional(sign) +
+ Word(nums) +
+ decimal_sep +
+ Optional(Word(nums)) +
+ Optional(oneOf("E e") +
Word(nums)))).setName("real")
positive_real = ToFloat(
- Combine(Optional("+") +
- Word(nums) +
- decimal_sep +
- Optional(Word(nums)) +
- Optional(oneOf("E e") +
+ Combine(Optional("+") +
+ Word(nums) +
+ decimal_sep +
+ Optional(Word(nums)) +
+ Optional(oneOf("E e") +
Word(nums)))).setName("real")
negative_real = ToFloat(
- Combine("-" +
- Word(nums) +
- decimal_sep +
- Optional(Word(nums)) +
- Optional(oneOf("E e") +
+ Combine("-" +
+ Word(nums) +
+ decimal_sep +
+ Optional(Word(nums)) +
+ Optional(oneOf("E e") +
Word(nums)))).setName("real")
qString = ( sglQuotedString | dblQuotedString ).setName("qString")
-
+
# add other characters we should skip over between interesting fields
integer_junk = Optional(
Suppress(
- Word(alphas +
- special_chars +
+ Word(alphas +
+ special_chars +
decimal_sep))).setName("integer_junk")
real_junk = Optional(
Suppress(
- Word(alphas +
+ Word(alphas +
special_chars))).setName("real_junk")
qString_junk = SkipTo(qString).setName("qString_junk")
# Now that 'integer', 'real', and 'qString' have been assigned I can
- # execute the definition file.
+ # execute the definition file.
exec(compile(open(self.parsedef).read(), self.parsedef, 'exec'))
# Build the grammar, combination of the 'integer', 'real, 'qString',
@@ -337,7 +337,7 @@ def main(pargs): for i in fp:
print(i)
-
+
#-------------------------
if __name__ == '__main__':
ftn = "main"
@@ -361,5 +361,5 @@ if __name__ == '__main__': #===Revision Log===
#Created by mkpythonproj:
-#2006-02-06 Tim Cera
+#2006-02-06 Tim Cera
#
|