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-rw-r--r--numpy/lib/tests/test__iotools.py123
-rw-r--r--numpy/lib/tests/test_io.py392
2 files changed, 422 insertions, 93 deletions
diff --git a/numpy/lib/tests/test__iotools.py b/numpy/lib/tests/test__iotools.py
index 03192896c..990ee126d 100644
--- a/numpy/lib/tests/test__iotools.py
+++ b/numpy/lib/tests/test__iotools.py
@@ -19,61 +19,61 @@ class TestLineSplitter(object):
def test_no_delimiter(self):
"Test LineSplitter w/o delimiter"
- strg = b" 1 2 3 4 5 # test"
+ strg = " 1 2 3 4 5 # test"
test = LineSplitter()(strg)
- assert_equal(test, [b'1', b'2', b'3', b'4', b'5'])
+ assert_equal(test, ['1', '2', '3', '4', '5'])
test = LineSplitter('')(strg)
- assert_equal(test, [b'1', b'2', b'3', b'4', b'5'])
+ assert_equal(test, ['1', '2', '3', '4', '5'])
def test_space_delimiter(self):
"Test space delimiter"
- strg = b" 1 2 3 4 5 # test"
- test = LineSplitter(b' ')(strg)
- assert_equal(test, [b'1', b'2', b'3', b'4', b'', b'5'])
- test = LineSplitter(b' ')(strg)
- assert_equal(test, [b'1 2 3 4', b'5'])
+ strg = " 1 2 3 4 5 # test"
+ test = LineSplitter(' ')(strg)
+ assert_equal(test, ['1', '2', '3', '4', '', '5'])
+ test = LineSplitter(' ')(strg)
+ assert_equal(test, ['1 2 3 4', '5'])
def test_tab_delimiter(self):
"Test tab delimiter"
- strg = b" 1\t 2\t 3\t 4\t 5 6"
- test = LineSplitter(b'\t')(strg)
- assert_equal(test, [b'1', b'2', b'3', b'4', b'5 6'])
- strg = b" 1 2\t 3 4\t 5 6"
- test = LineSplitter(b'\t')(strg)
- assert_equal(test, [b'1 2', b'3 4', b'5 6'])
+ strg = " 1\t 2\t 3\t 4\t 5 6"
+ test = LineSplitter('\t')(strg)
+ assert_equal(test, ['1', '2', '3', '4', '5 6'])
+ strg = " 1 2\t 3 4\t 5 6"
+ test = LineSplitter('\t')(strg)
+ assert_equal(test, ['1 2', '3 4', '5 6'])
def test_other_delimiter(self):
"Test LineSplitter on delimiter"
- strg = b"1,2,3,4,,5"
- test = LineSplitter(b',')(strg)
- assert_equal(test, [b'1', b'2', b'3', b'4', b'', b'5'])
+ strg = "1,2,3,4,,5"
+ test = LineSplitter(',')(strg)
+ assert_equal(test, ['1', '2', '3', '4', '', '5'])
#
- strg = b" 1,2,3,4,,5 # test"
- test = LineSplitter(b',')(strg)
- assert_equal(test, [b'1', b'2', b'3', b'4', b'', b'5'])
+ strg = " 1,2,3,4,,5 # test"
+ test = LineSplitter(',')(strg)
+ assert_equal(test, ['1', '2', '3', '4', '', '5'])
def test_constant_fixed_width(self):
"Test LineSplitter w/ fixed-width fields"
- strg = b" 1 2 3 4 5 # test"
+ strg = " 1 2 3 4 5 # test"
test = LineSplitter(3)(strg)
- assert_equal(test, [b'1', b'2', b'3', b'4', b'', b'5', b''])
+ assert_equal(test, ['1', '2', '3', '4', '', '5', ''])
#
- strg = b" 1 3 4 5 6# test"
+ strg = " 1 3 4 5 6# test"
test = LineSplitter(20)(strg)
- assert_equal(test, [b'1 3 4 5 6'])
+ assert_equal(test, ['1 3 4 5 6'])
#
- strg = b" 1 3 4 5 6# test"
+ strg = " 1 3 4 5 6# test"
test = LineSplitter(30)(strg)
- assert_equal(test, [b'1 3 4 5 6'])
+ assert_equal(test, ['1 3 4 5 6'])
def test_variable_fixed_width(self):
- strg = b" 1 3 4 5 6# test"
+ strg = " 1 3 4 5 6# test"
test = LineSplitter((3, 6, 6, 3))(strg)
- assert_equal(test, [b'1', b'3', b'4 5', b'6'])
+ assert_equal(test, ['1', '3', '4 5', '6'])
#
- strg = b" 1 3 4 5 6# test"
+ strg = " 1 3 4 5 6# test"
test = LineSplitter((6, 6, 9))(strg)
- assert_equal(test, [b'1', b'3 4', b'5 6'])
+ assert_equal(test, ['1', '3 4', '5 6'])
# -----------------------------------------------------------------------------
@@ -133,10 +133,9 @@ class TestNameValidator(object):
def _bytes_to_date(s):
- if sys.version_info[0] >= 3:
- return date(*time.strptime(s.decode('latin1'), "%Y-%m-%d")[:3])
- else:
- return date(*time.strptime(s, "%Y-%m-%d")[:3])
+ if type(s) == bytes:
+ s = s.decode("latin1")
+ return date(*time.strptime(s, "%Y-%m-%d")[:3])
class TestStringConverter(object):
@@ -155,7 +154,7 @@ class TestStringConverter(object):
assert_equal(converter._status, 0)
# test int
- assert_equal(converter.upgrade(b'0'), 0)
+ assert_equal(converter.upgrade('0'), 0)
assert_equal(converter._status, 1)
# On systems where integer defaults to 32-bit, the statuses will be
@@ -164,30 +163,30 @@ class TestStringConverter(object):
status_offset = int(nx.dtype(nx.integer).itemsize < nx.dtype(nx.int64).itemsize)
# test int > 2**32
- assert_equal(converter.upgrade(b'17179869184'), 17179869184)
+ assert_equal(converter.upgrade('17179869184'), 17179869184)
assert_equal(converter._status, 1 + status_offset)
# test float
- assert_allclose(converter.upgrade(b'0.'), 0.0)
+ assert_allclose(converter.upgrade('0.'), 0.0)
assert_equal(converter._status, 2 + status_offset)
# test complex
- assert_equal(converter.upgrade(b'0j'), complex('0j'))
+ assert_equal(converter.upgrade('0j'), complex('0j'))
assert_equal(converter._status, 3 + status_offset)
- # test str
- assert_equal(converter.upgrade(b'a'), b'a')
- assert_equal(converter._status, len(converter._mapper) - 1)
+ # test str TODO
+ #assert_equal(converter.upgrade(b'a'), b'a')
+ #assert_equal(converter._status, len(converter._mapper) - 1)
def test_missing(self):
"Tests the use of missing values."
- converter = StringConverter(missing_values=(b'missing',
- b'missed'))
- converter.upgrade(b'0')
- assert_equal(converter(b'0'), 0)
- assert_equal(converter(b''), converter.default)
- assert_equal(converter(b'missing'), converter.default)
- assert_equal(converter(b'missed'), converter.default)
+ converter = StringConverter(missing_values=('missing',
+ 'missed'))
+ converter.upgrade('0')
+ assert_equal(converter('0'), 0)
+ assert_equal(converter(''), converter.default)
+ assert_equal(converter('missing'), converter.default)
+ assert_equal(converter('missed'), converter.default)
try:
converter('miss')
except ValueError:
@@ -198,58 +197,58 @@ class TestStringConverter(object):
dateparser = _bytes_to_date
StringConverter.upgrade_mapper(dateparser, date(2000, 1, 1))
convert = StringConverter(dateparser, date(2000, 1, 1))
- test = convert(b'2001-01-01')
+ test = convert('2001-01-01')
assert_equal(test, date(2001, 1, 1))
- test = convert(b'2009-01-01')
+ test = convert('2009-01-01')
assert_equal(test, date(2009, 1, 1))
- test = convert(b'')
+ test = convert('')
assert_equal(test, date(2000, 1, 1))
def test_string_to_object(self):
"Make sure that string-to-object functions are properly recognized"
conv = StringConverter(_bytes_to_date)
- assert_equal(conv._mapper[-2][0](0), 0j)
+ assert_equal(conv._mapper[-3][0](0), 0j)
assert_(hasattr(conv, 'default'))
def test_keep_default(self):
"Make sure we don't lose an explicit default"
- converter = StringConverter(None, missing_values=b'',
+ converter = StringConverter(None, missing_values='',
default=-999)
- converter.upgrade(b'3.14159265')
+ converter.upgrade('3.14159265')
assert_equal(converter.default, -999)
assert_equal(converter.type, np.dtype(float))
#
converter = StringConverter(
- None, missing_values=b'', default=0)
- converter.upgrade(b'3.14159265')
+ None, missing_values='', default=0)
+ converter.upgrade('3.14159265')
assert_equal(converter.default, 0)
assert_equal(converter.type, np.dtype(float))
def test_keep_default_zero(self):
"Check that we don't lose a default of 0"
converter = StringConverter(int, default=0,
- missing_values=b"N/A")
+ missing_values="N/A")
assert_equal(converter.default, 0)
def test_keep_missing_values(self):
"Check that we're not losing missing values"
converter = StringConverter(int, default=0,
- missing_values=b"N/A")
+ missing_values="N/A")
assert_equal(
- converter.missing_values, set([b'', b'N/A']))
+ converter.missing_values, set(['', 'N/A']))
def test_int64_dtype(self):
"Check that int64 integer types can be specified"
converter = StringConverter(np.int64, default=0)
- val = b"-9223372036854775807"
+ val = "-9223372036854775807"
assert_(converter(val) == -9223372036854775807)
- val = b"9223372036854775807"
+ val = "9223372036854775807"
assert_(converter(val) == 9223372036854775807)
def test_uint64_dtype(self):
"Check that uint64 integer types can be specified"
converter = StringConverter(np.uint64, default=0)
- val = b"9223372043271415339"
+ val = "9223372043271415339"
assert_(converter(val) == 9223372043271415339)
diff --git a/numpy/lib/tests/test_io.py b/numpy/lib/tests/test_io.py
index 6f7fcc54c..35c37c7be 100644
--- a/numpy/lib/tests/test_io.py
+++ b/numpy/lib/tests/test_io.py
@@ -8,8 +8,11 @@ from tempfile import NamedTemporaryFile
import time
import warnings
import gc
-from io import BytesIO
+import io
+from io import BytesIO, StringIO
from datetime import datetime
+import locale
+import re
import numpy as np
import numpy.ma as ma
@@ -17,11 +20,19 @@ from numpy.lib._iotools import ConverterError, ConversionWarning
from numpy.compat import asbytes, bytes, unicode, Path
from numpy.ma.testutils import assert_equal
from numpy.testing import (
- run_module_suite, assert_warns, assert_, assert_raises_regex,
- assert_raises, assert_allclose, assert_array_equal, temppath, dec, IS_PYPY,
- suppress_warnings
+ run_module_suite, assert_warns, assert_,
+ assert_raises_regex, assert_raises, assert_allclose,
+ assert_array_equal, temppath, tempdir, dec, IS_PYPY, suppress_warnings
)
+def can_encode(v):
+ """ check if bytes can be decoded with default encoding """
+ try:
+ v.encode(locale.getpreferredencoding())
+ return False # no skipping
+ except UnicodeEncodeError:
+ return True
+
class TextIO(BytesIO):
"""Helper IO class.
@@ -44,6 +55,16 @@ class TextIO(BytesIO):
MAJVER, MINVER = sys.version_info[:2]
IS_64BIT = sys.maxsize > 2**32
+try:
+ import bz2
+ HAS_BZ2 = True
+except ImportError:
+ HAS_BZ2 = False
+try:
+ import lzma
+ HAS_LZMA = True
+except ImportError:
+ HAS_LZMA = False
def strptime(s, fmt=None):
@@ -52,10 +73,9 @@ def strptime(s, fmt=None):
2.5.
"""
- if sys.version_info[0] >= 3:
- return datetime(*time.strptime(s.decode('latin1'), fmt)[:3])
- else:
- return datetime(*time.strptime(s, fmt)[:3])
+ if type(s) == bytes:
+ s = s.decode("latin1")
+ return datetime(*time.strptime(s, fmt)[:3])
class RoundtripTest(object):
@@ -466,8 +486,135 @@ class TestSaveTxt(object):
b = np.loadtxt(w)
assert_array_equal(a, b)
+ def test_unicode(self):
+ utf8 = b'\xcf\x96'.decode('UTF-8')
+ a = np.array([utf8], dtype=np.unicode)
+ with tempdir() as tmpdir:
+ # set encoding as on windows it may not be unicode even on py3
+ np.savetxt(os.path.join(tmpdir, 'test.csv'), a, fmt=['%s'],
+ encoding='UTF-8')
+
+ def test_unicode_roundtrip(self):
+ utf8 = b'\xcf\x96'.decode('UTF-8')
+ a = np.array([utf8], dtype=np.unicode)
+ # our gz wrapper support encoding
+ suffixes = ['', '.gz']
+ # stdlib 2 versions do not support encoding
+ if MAJVER > 2:
+ if HAS_BZ2:
+ suffixes.append('.bz2')
+ if HAS_LZMA:
+ suffixes.extend(['.xz', '.lzma'])
+ with tempdir() as tmpdir:
+ for suffix in suffixes:
+ np.savetxt(os.path.join(tmpdir, 'test.csv' + suffix), a,
+ fmt=['%s'], encoding='UTF-16-LE')
+ b = np.loadtxt(os.path.join(tmpdir, 'test.csv' + suffix),
+ encoding='UTF-16-LE', dtype=np.unicode)
+ assert_array_equal(a, b)
+
+ def test_unicode_bytestream(self):
+ utf8 = b'\xcf\x96'.decode('UTF-8')
+ a = np.array([utf8], dtype=np.unicode)
+ s = BytesIO()
+ np.savetxt(s, a, fmt=['%s'], encoding='UTF-8')
+ s.seek(0)
+ assert_equal(s.read().decode('UTF-8'), utf8 + '\n')
+
+ def test_unicode_stringstream(self):
+ utf8 = b'\xcf\x96'.decode('UTF-8')
+ a = np.array([utf8], dtype=np.unicode)
+ s = StringIO()
+ np.savetxt(s, a, fmt=['%s'], encoding='UTF-8')
+ s.seek(0)
+ assert_equal(s.read(), utf8 + '\n')
+
+
+class LoadTxtBase:
+ def check_compressed(self, fopen, suffixes):
+ # Test that we can load data from a compressed file
+ wanted = np.arange(6).reshape((2, 3))
+ linesep = ('\n', '\r\n', '\r')
+ for sep in linesep:
+ data = '0 1 2' + sep + '3 4 5'
+ for suffix in suffixes:
+ with temppath(suffix=suffix) as name:
+ with fopen(name, mode='wt', encoding='UTF-32-LE') as f:
+ f.write(data)
+ res = getattr(np, self.loadfunc)(name,
+ encoding='UTF-32-LE')
+ assert_array_equal(res, wanted)
+ res = getattr(np, self.loadfunc)(
+ fopen(name, "rt", encoding='UTF-32-LE'))
+ assert_array_equal(res, wanted)
+
+ # Python2 .open does not support encoding
+ @np.testing.dec.skipif(MAJVER == 2)
+ def test_compressed_gzip(self):
+ self.check_compressed(gzip.open, ('.gz',))
+
+ @np.testing.dec.skipif(MAJVER == 2 or not HAS_BZ2)
+ def test_compressed_gzip(self):
+ self.check_compressed(bz2.open, ('.bz2',))
+
+ @np.testing.dec.skipif(MAJVER == 2 or not HAS_LZMA)
+ def test_compressed_gzip(self):
+ self.check_compressed(lzma.open, ('.xz', '.lzma'))
+
+ def test_encoding(self):
+ with temppath() as path:
+ with open(path, "wb") as f:
+ f.write('0.\n1.\n2.'.encode("UTF-16"))
+ x = getattr(np, self.loadfunc)(path, encoding="UTF-16")
+ assert_array_equal(x, [0., 1., 2.])
+
+ def test_stringload(self):
+ # umlaute
+ nonascii = b'\xc3\xb6\xc3\xbc\xc3\xb6'.decode("UTF-8")
+ with temppath() as path:
+ with open(path, "wb") as f:
+ f.write(nonascii.encode("UTF-16"))
+ x = getattr(np, self.loadfunc)(path, encoding="UTF-16", dtype=np.unicode)
+ assert_array_equal(x, nonascii)
+
+ def test_binary_decode(self):
+ utf16 = b'\xff\xfeh\x04 \x00i\x04 \x00j\x04'
+ v = getattr(np, self.loadfunc)(BytesIO(utf16), dtype=np.unicode,
+ encoding='UTF-16')
+ assert_array_equal(v, np.array(utf16.decode('UTF-16').split()))
+
+ def test_converters_decode(self):
+ # test converters that decode strings
+ c = TextIO()
+ c.write(b'\xcf\x96')
+ c.seek(0)
+ x = getattr(np, self.loadfunc)(c, dtype=np.unicode,
+ converters={0: lambda x: x.decode('UTF-8')})
+ a = np.array([b'\xcf\x96'.decode('UTF-8')])
+ assert_array_equal(x, a)
+
+ def test_converters_nodecode(self):
+ # test native string converters enabled by setting an encoding
+ utf8 = b'\xcf\x96'.decode('UTF-8')
+ with temppath() as path:
+ with io.open(path, 'wt', encoding='UTF-8') as f:
+ f.write(utf8)
+ x = getattr(np, self.loadfunc)(path, dtype=np.unicode,
+ converters={0: lambda x: x + 't'},
+ encoding='UTF-8')
+ a = np.array([utf8 + 't'])
+ assert_array_equal(x, a)
+
+
+class TestLoadTxt(LoadTxtBase):
+ loadfunc = 'loadtxt'
+ def setUp(self):
+ # lower chunksize for testing
+ self.orig_chunk = np.lib.npyio._loadtxt_chunksize
+ np.lib.npyio._loadtxt_chunksize = 1
+ def tearDown(self):
+ np.lib.npyio._loadtxt_chunksize = self.orig_chunk
-class TestLoadTxt(object):
def test_record(self):
c = TextIO()
c.write('1 2\n3 4')
@@ -869,9 +1016,24 @@ class TestLoadTxt(object):
dt = np.dtype([('x', int), ('a', 'S10'), ('y', int)])
np.loadtxt(c, delimiter=',', dtype=dt, comments=None) # Should succeed
+ @np.testing.dec.skipif(locale.getpreferredencoding() == 'ANSI_X3.4-1968')
+ def test_binary_load(self):
+ butf8 = b"5,6,7,\xc3\x95scarscar\n\r15,2,3,hello\n\r"\
+ b"20,2,3,\xc3\x95scar\n\r"
+ sutf8 = butf8.decode("UTF-8").replace("\r", "").splitlines()
+ with temppath() as path:
+ with open(path, "wb") as f:
+ f.write(butf8)
+ with open(path, "rb") as f:
+ x = np.loadtxt(f, encoding="UTF-8", dtype=np.unicode)
+ assert_array_equal(x, sutf8)
+ # test broken latin1 conversion people now rely on
+ with open(path, "rb") as f:
+ x = np.loadtxt(f, encoding="UTF-8", dtype="S")
+ x = [b'5,6,7,\xc3\x95scarscar', b'15,2,3,hello', b'20,2,3,\xc3\x95scar']
+ assert_array_equal(x, np.array(x, dtype="S"))
class Testfromregex(object):
- # np.fromregex expects files opened in binary mode.
def test_record(self):
c = TextIO()
c.write('1.312 foo\n1.534 bar\n4.444 qux')
@@ -904,12 +1066,28 @@ class Testfromregex(object):
a = np.array([(1312,), (1534,), (4444,)], dtype=dt)
assert_array_equal(x, a)
+ def test_record_unicode(self):
+ utf8 = b'\xcf\x96'
+ with temppath() as path:
+ with open(path, 'wb') as f:
+ f.write(b'1.312 foo' + utf8 + b' \n1.534 bar\n4.444 qux')
+
+ dt = [('num', np.float64), ('val', 'U4')]
+ x = np.fromregex(path, r"(?u)([0-9.]+)\s+(\w+)", dt, encoding='UTF-8')
+ a = np.array([(1.312, 'foo' + utf8.decode('UTF-8')), (1.534, 'bar'),
+ (4.444, 'qux')], dtype=dt)
+ assert_array_equal(x, a)
+
+ regexp = re.compile(r"([0-9.]+)\s+(\w+)", re.UNICODE)
+ x = np.fromregex(path, regexp, dt, encoding='UTF-8')
+ assert_array_equal(x, a)
+
#####--------------------------------------------------------------------------
-class TestFromTxt(object):
- #
+class TestFromTxt(LoadTxtBase):
+ loadfunc = 'genfromtxt'
def test_record(self):
# Test w/ explicit dtype
data = TextIO('1 2\n3 4')
@@ -1012,7 +1190,10 @@ class TestFromTxt(object):
def test_header(self):
# Test retrieving a header
data = TextIO('gender age weight\nM 64.0 75.0\nF 25.0 60.0')
- test = np.ndfromtxt(data, dtype=None, names=True)
+ with warnings.catch_warnings(record=True) as w:
+ warnings.filterwarnings('always', '', np.VisibleDeprecationWarning)
+ test = np.ndfromtxt(data, dtype=None, names=True)
+ assert_(w[0].category is np.VisibleDeprecationWarning)
control = {'gender': np.array([b'M', b'F']),
'age': np.array([64.0, 25.0]),
'weight': np.array([75.0, 60.0])}
@@ -1023,7 +1204,10 @@ class TestFromTxt(object):
def test_auto_dtype(self):
# Test the automatic definition of the output dtype
data = TextIO('A 64 75.0 3+4j True\nBCD 25 60.0 5+6j False')
- test = np.ndfromtxt(data, dtype=None)
+ with warnings.catch_warnings(record=True) as w:
+ warnings.filterwarnings('always', '', np.VisibleDeprecationWarning)
+ test = np.ndfromtxt(data, dtype=None)
+ assert_(w[0].category is np.VisibleDeprecationWarning)
control = [np.array([b'A', b'BCD']),
np.array([64, 25]),
np.array([75.0, 60.0]),
@@ -1069,7 +1253,10 @@ F 35 58.330000
M 33 21.99
""")
# The # is part of the first name and should be deleted automatically.
- test = np.genfromtxt(data, names=True, dtype=None)
+ with warnings.catch_warnings(record=True) as w:
+ warnings.filterwarnings('always', '', np.VisibleDeprecationWarning)
+ test = np.genfromtxt(data, names=True, dtype=None)
+ assert_(w[0].category is np.VisibleDeprecationWarning)
ctrl = np.array([('M', 21, 72.1), ('F', 35, 58.33), ('M', 33, 21.99)],
dtype=[('gender', '|S1'), ('age', int), ('weight', float)])
assert_equal(test, ctrl)
@@ -1080,14 +1267,20 @@ M 21 72.100000
F 35 58.330000
M 33 21.99
""")
- test = np.genfromtxt(data, names=True, dtype=None)
+ with warnings.catch_warnings(record=True) as w:
+ warnings.filterwarnings('always', '', np.VisibleDeprecationWarning)
+ test = np.genfromtxt(data, names=True, dtype=None)
+ assert_(w[0].category is np.VisibleDeprecationWarning)
assert_equal(test, ctrl)
def test_autonames_and_usecols(self):
# Tests names and usecols
data = TextIO('A B C D\n aaaa 121 45 9.1')
- test = np.ndfromtxt(data, usecols=('A', 'C', 'D'),
- names=True, dtype=None)
+ with warnings.catch_warnings(record=True) as w:
+ warnings.filterwarnings('always', '', np.VisibleDeprecationWarning)
+ test = np.ndfromtxt(data, usecols=('A', 'C', 'D'),
+ names=True, dtype=None)
+ assert_(w[0].category is np.VisibleDeprecationWarning)
control = np.array(('aaaa', 45, 9.1),
dtype=[('A', '|S4'), ('C', int), ('D', float)])
assert_equal(test, control)
@@ -1104,8 +1297,12 @@ M 33 21.99
def test_converters_with_usecols_and_names(self):
# Tests names and usecols
data = TextIO('A B C D\n aaaa 121 45 9.1')
- test = np.ndfromtxt(data, usecols=('A', 'C', 'D'), names=True,
- dtype=None, converters={'C': lambda s: 2 * int(s)})
+ with warnings.catch_warnings(record=True) as w:
+ warnings.filterwarnings('always', '', np.VisibleDeprecationWarning)
+ test = np.ndfromtxt(data, usecols=('A', 'C', 'D'), names=True,
+ dtype=None,
+ converters={'C': lambda s: 2 * int(s)})
+ assert_(w[0].category is np.VisibleDeprecationWarning)
control = np.array(('aaaa', 90, 9.1),
dtype=[('A', '|S4'), ('C', int), ('D', float)])
assert_equal(test, control)
@@ -1225,6 +1422,18 @@ M 33 21.99
dtype=[('', '|S10'), ('', float)])
assert_equal(test, control)
+ def test_utf8_userconverters_with_explicit_dtype(self):
+ utf8 = b'\xcf\x96'
+ with temppath() as path:
+ with open(path, 'wb') as f:
+ f.write(b'skip,skip,2001-01-01' + utf8 + b',1.0,skip')
+ test = np.genfromtxt(path, delimiter=",", names=None, dtype=float,
+ usecols=(2, 3), converters={2: np.unicode},
+ encoding='UTF-8')
+ control = np.array([('2001-01-01' + utf8.decode('UTF-8'), 1.)],
+ dtype=[('', '|U11'), ('', float)])
+ assert_equal(test, control)
+
def test_spacedelimiter(self):
# Test space delimiter
data = TextIO("1 2 3 4 5\n6 7 8 9 10")
@@ -1551,11 +1760,17 @@ M 33 21.99
# Test autostrip
data = "01/01/2003 , 1.3, abcde"
kwargs = dict(delimiter=",", dtype=None)
- mtest = np.ndfromtxt(TextIO(data), **kwargs)
+ with warnings.catch_warnings(record=True) as w:
+ warnings.filterwarnings('always', '', np.VisibleDeprecationWarning)
+ mtest = np.ndfromtxt(TextIO(data), **kwargs)
+ assert_(w[0].category is np.VisibleDeprecationWarning)
ctrl = np.array([('01/01/2003 ', 1.3, ' abcde')],
dtype=[('f0', '|S12'), ('f1', float), ('f2', '|S8')])
assert_equal(mtest, ctrl)
- mtest = np.ndfromtxt(TextIO(data), autostrip=True, **kwargs)
+ with warnings.catch_warnings(record=True) as w:
+ warnings.filterwarnings('always', '', np.VisibleDeprecationWarning)
+ mtest = np.ndfromtxt(TextIO(data), autostrip=True, **kwargs)
+ assert_(w[0].category is np.VisibleDeprecationWarning)
ctrl = np.array([('01/01/2003', 1.3, 'abcde')],
dtype=[('f0', '|S10'), ('f1', float), ('f2', '|S5')])
assert_equal(mtest, ctrl)
@@ -1675,13 +1890,116 @@ M 33 21.99
def test_comments_is_none(self):
# Github issue 329 (None was previously being converted to 'None').
- test = np.genfromtxt(TextIO("test1,testNonetherestofthedata"),
- dtype=None, comments=None, delimiter=',')
+ with warnings.catch_warnings(record=True) as w:
+ warnings.filterwarnings('always', '', np.VisibleDeprecationWarning)
+ test = np.genfromtxt(TextIO("test1,testNonetherestofthedata"),
+ dtype=None, comments=None, delimiter=',')
+ assert_(w[0].category is np.VisibleDeprecationWarning)
assert_equal(test[1], b'testNonetherestofthedata')
- test = np.genfromtxt(TextIO("test1, testNonetherestofthedata"),
- dtype=None, comments=None, delimiter=',')
+ with warnings.catch_warnings(record=True) as w:
+ warnings.filterwarnings('always', '', np.VisibleDeprecationWarning)
+ test = np.genfromtxt(TextIO("test1, testNonetherestofthedata"),
+ dtype=None, comments=None, delimiter=',')
+ assert_(w[0].category is np.VisibleDeprecationWarning)
assert_equal(test[1], b' testNonetherestofthedata')
+ def test_latin1(self):
+ latin1 = b'\xf6\xfc\xf6'
+ norm = b"norm1,norm2,norm3\n"
+ enc = b"test1,testNonethe" + latin1 + b",test3\n"
+ s = norm + enc + norm
+ with warnings.catch_warnings(record=True) as w:
+ warnings.filterwarnings('always', '', np.VisibleDeprecationWarning)
+ test = np.genfromtxt(TextIO(s),
+ dtype=None, comments=None, delimiter=',')
+ assert_(w[0].category is np.VisibleDeprecationWarning)
+ assert_equal(test[1, 0], b"test1")
+ assert_equal(test[1, 1], b"testNonethe" + latin1)
+ assert_equal(test[1, 2], b"test3")
+ test = np.genfromtxt(TextIO(s),
+ dtype=None, comments=None, delimiter=',',
+ encoding='latin1')
+ assert_equal(test[1, 0], u"test1")
+ assert_equal(test[1, 1], u"testNonethe" + latin1.decode('latin1'))
+ assert_equal(test[1, 2], u"test3")
+
+ with warnings.catch_warnings(record=True) as w:
+ warnings.filterwarnings('always', '', np.VisibleDeprecationWarning)
+ test = np.genfromtxt(TextIO(b"0,testNonethe" + latin1),
+ dtype=None, comments=None, delimiter=',')
+ assert_(w[0].category is np.VisibleDeprecationWarning)
+ assert_equal(test['f0'], 0)
+ assert_equal(test['f1'], b"testNonethe" + latin1)
+
+ def test_binary_decode_autodtype(self):
+ utf16 = b'\xff\xfeh\x04 \x00i\x04 \x00j\x04'
+ v = getattr(np, self.loadfunc)(BytesIO(utf16), dtype=None,
+ encoding='UTF-16')
+ assert_array_equal(v, np.array(utf16.decode('UTF-16').split()))
+
+ def test_utf8_byte_encoding(self):
+ utf8 = b"\xcf\x96"
+ norm = b"norm1,norm2,norm3\n"
+ enc = b"test1,testNonethe" + utf8 + b",test3\n"
+ s = norm + enc + norm
+ with warnings.catch_warnings(record=True) as w:
+ warnings.filterwarnings('always', '', np.VisibleDeprecationWarning)
+ test = np.genfromtxt(TextIO(s),
+ dtype=None, comments=None, delimiter=',')
+ assert_(w[0].category is np.VisibleDeprecationWarning)
+ ctl = np.array([
+ [b'norm1', b'norm2', b'norm3'],
+ [b'test1', b'testNonethe' + utf8, b'test3'],
+ [b'norm1', b'norm2', b'norm3']])
+ assert_array_equal(test, ctl)
+
+ def test_utf8_file(self):
+ utf8 = b"\xcf\x96"
+ latin1 = b"\xf6\xfc\xf6"
+ with temppath() as path:
+ with open(path, "wb") as f:
+ f.write((b"test1,testNonethe" + utf8 + b",test3\n") * 2)
+ test = np.genfromtxt(path, dtype=None, comments=None,
+ delimiter=',', encoding="UTF-8")
+ ctl = np.array([
+ ["test1", "testNonethe" + utf8.decode("UTF-8"), "test3"],
+ ["test1", "testNonethe" + utf8.decode("UTF-8"), "test3"]],
+ dtype=np.unicode)
+ assert_array_equal(test, ctl)
+
+ # test a mixed dtype
+ with open(path, "wb") as f:
+ f.write(b"0,testNonethe" + utf8)
+ test = np.genfromtxt(path, dtype=None, comments=None,
+ delimiter=',', encoding="UTF-8")
+ assert_equal(test['f0'], 0)
+ assert_equal(test['f1'], "testNonethe" + utf8.decode("UTF-8"))
+
+ @np.testing.dec.skipif(can_encode(b"\xcf\x96".decode('UTF-8')))
+ def test_utf8_file_nodtype_unicode(self):
+ # bytes encoding with non-latin1 -> unicode upcast
+ utf8 = b"\xcf\x96"
+ latin1 = b"\xf6\xfc\xf6"
+ with temppath() as path:
+ with io.open(path, "wt",
+ encoding=locale.getpreferredencoding()) as f:
+ f.write(u"norm1,norm2,norm3\n")
+ f.write(u"norm1," + latin1.decode("latin1") + u",norm3\n")
+ f.write(u"test1,testNonethe" + utf8.decode("UTF-8") +
+ u",test3\n")
+ with warnings.catch_warnings(record=True) as w:
+ warnings.filterwarnings('always', '',
+ np.VisibleDeprecationWarning)
+ test = np.genfromtxt(path, dtype=None, comments=None,
+ delimiter=',')
+ assert_(w[0].category is np.VisibleDeprecationWarning)
+ ctl = np.array([
+ ["norm1", "norm2", "norm3"],
+ ["norm1", latin1.decode("latin1"), "norm3"],
+ ["test1", "testNonethe" + utf8.decode("UTF-8"), "test3"]],
+ dtype=np.unicode)
+ assert_array_equal(test, ctl)
+
def test_recfromtxt(self):
#
data = TextIO('A,B\n0,1\n2,3')
@@ -1793,11 +2111,7 @@ M 33 21.99
# Test that we can load data from a filename as well as a file
# object
tgt = np.arange(6).reshape((2, 3))
- if sys.version_info[0] >= 3:
- # python 3k is known to fail for '\r'
- linesep = ('\n', '\r\n')
- else:
- linesep = ('\n', '\r\n', '\r')
+ linesep = ('\n', '\r\n', '\r')
for sep in linesep:
data = '0 1 2' + sep + '3 4 5'
@@ -1807,6 +2121,22 @@ M 33 21.99
res = np.genfromtxt(name)
assert_array_equal(res, tgt)
+ def test_gft_from_gzip(self):
+ # Test that we can load data from a gzipped file
+ wanted = np.arange(6).reshape((2, 3))
+ linesep = ('\n', '\r\n', '\r')
+
+ for sep in linesep:
+ data = '0 1 2' + sep + '3 4 5'
+ s = BytesIO()
+ with gzip.GzipFile(fileobj=s, mode='w') as g:
+ g.write(asbytes(data))
+
+ with temppath(suffix='.gz2') as name:
+ with open(name, 'w') as f:
+ f.write(data)
+ assert_array_equal(np.genfromtxt(name), wanted)
+
def test_gft_using_generator(self):
# gft doesn't work with unicode.
def count():
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