cpython/Lib/test/test_zipfile.py

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# We can test part of the module without zlib.
try:
import zlib
except ImportError:
zlib = None
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import os
import sys
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import time
import shutil
import struct
import zipfile
import unittest
from StringIO import StringIO
from tempfile import TemporaryFile
from random import randint, random
from unittest import skipUnless
from test.test_support import TESTFN, run_unittest, findfile, unlink
TESTFN2 = TESTFN + "2"
TESTFNDIR = TESTFN + "d"
FIXEDTEST_SIZE = 1000
SMALL_TEST_DATA = [('_ziptest1', '1q2w3e4r5t'),
('ziptest2dir/_ziptest2', 'qawsedrftg'),
('/ziptest2dir/ziptest3dir/_ziptest3', 'azsxdcfvgb'),
('ziptest2dir/ziptest3dir/ziptest4dir/_ziptest3', '6y7u8i9o0p')]
class TestsWithSourceFile(unittest.TestCase):
def setUp(self):
self.line_gen = ["Zipfile test line %d. random float: %f" % (i, random())
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for i in xrange(FIXEDTEST_SIZE)]
self.data = '\n'.join(self.line_gen) + '\n'
# Make a source file with some lines
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with open(TESTFN, "wb") as fp:
fp.write(self.data)
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def make_test_archive(self, f, compression):
# Create the ZIP archive
with zipfile.ZipFile(f, "w", compression) as zipfp:
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zipfp.write(TESTFN, "another.name")
zipfp.write(TESTFN, TESTFN)
zipfp.writestr("strfile", self.data)
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def zip_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
with zipfile.ZipFile(f, "r", compression) as zipfp:
self.assertEqual(zipfp.read(TESTFN), self.data)
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self.assertEqual(zipfp.read("another.name"), self.data)
self.assertEqual(zipfp.read("strfile"), self.data)
# Print the ZIP directory
fp = StringIO()
stdout = sys.stdout
try:
sys.stdout = fp
zipfp.printdir()
finally:
sys.stdout = stdout
directory = fp.getvalue()
lines = directory.splitlines()
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self.assertEqual(len(lines), 4) # Number of files + header
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self.assertIn('File Name', lines[0])
self.assertIn('Modified', lines[0])
self.assertIn('Size', lines[0])
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fn, date, time_, size = lines[1].split()
self.assertEqual(fn, 'another.name')
self.assertTrue(time.strptime(date, '%Y-%m-%d'))
self.assertTrue(time.strptime(time_, '%H:%M:%S'))
self.assertEqual(size, str(len(self.data)))
# Check the namelist
names = zipfp.namelist()
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self.assertEqual(len(names), 3)
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self.assertIn(TESTFN, names)
self.assertIn("another.name", names)
self.assertIn("strfile", names)
# Check infolist
infos = zipfp.infolist()
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names = [i.filename for i in infos]
self.assertEqual(len(names), 3)
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self.assertIn(TESTFN, names)
self.assertIn("another.name", names)
self.assertIn("strfile", names)
for i in infos:
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self.assertEqual(i.file_size, len(self.data))
# check getinfo
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for nm in (TESTFN, "another.name", "strfile"):
info = zipfp.getinfo(nm)
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self.assertEqual(info.filename, nm)
self.assertEqual(info.file_size, len(self.data))
# Check that testzip doesn't raise an exception
zipfp.testzip()
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def test_stored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_test(f, zipfile.ZIP_STORED)
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def zip_open_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
with zipfile.ZipFile(f, "r", compression) as zipfp:
zipdata1 = []
zipopen1 = zipfp.open(TESTFN)
while True:
read_data = zipopen1.read(256)
if not read_data:
break
zipdata1.append(read_data)
zipdata2 = []
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zipopen2 = zipfp.open("another.name")
while True:
read_data = zipopen2.read(256)
if not read_data:
break
zipdata2.append(read_data)
self.assertEqual(''.join(zipdata1), self.data)
self.assertEqual(''.join(zipdata2), self.data)
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def test_open_stored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_open_test(f, zipfile.ZIP_STORED)
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def test_open_via_zip_info(self):
# Create the ZIP archive
with zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED) as zipfp:
zipfp.writestr("name", "foo")
zipfp.writestr("name", "bar")
with zipfile.ZipFile(TESTFN2, "r") as zipfp:
infos = zipfp.infolist()
data = ""
for info in infos:
data += zipfp.open(info).read()
self.assertTrue(data == "foobar" or data == "barfoo")
data = ""
for info in infos:
data += zipfp.read(info)
self.assertTrue(data == "foobar" or data == "barfoo")
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def zip_random_open_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
with zipfile.ZipFile(f, "r", compression) as zipfp:
zipdata1 = []
zipopen1 = zipfp.open(TESTFN)
while True:
read_data = zipopen1.read(randint(1, 1024))
if not read_data:
break
zipdata1.append(read_data)
self.assertEqual(''.join(zipdata1), self.data)
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def test_random_open_stored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_random_open_test(f, zipfile.ZIP_STORED)
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def test_univeral_readaheads(self):
f = StringIO()
data = 'a\r\n' * 16 * 1024
zipfp = zipfile.ZipFile(f, 'w', zipfile.ZIP_STORED)
zipfp.writestr(TESTFN, data)
zipfp.close()
data2 = ''
zipfp = zipfile.ZipFile(f, 'r')
zipopen = zipfp.open(TESTFN, 'rU')
for line in zipopen:
data2 += line
zipfp.close()
self.assertEqual(data, data2.replace('\n', '\r\n'))
def zip_readline_read_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
zipfp = zipfile.ZipFile(f, "r")
zipopen = zipfp.open(TESTFN)
data = ''
while True:
read = zipopen.readline()
if not read:
break
data += read
read = zipopen.read(100)
if not read:
break
data += read
self.assertEqual(data, self.data)
zipfp.close()
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def zip_readline_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
with zipfile.ZipFile(f, "r") as zipfp:
zipopen = zipfp.open(TESTFN)
for line in self.line_gen:
linedata = zipopen.readline()
self.assertEqual(linedata, line + '\n')
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def zip_readlines_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
with zipfile.ZipFile(f, "r") as zipfp:
ziplines = zipfp.open(TESTFN).readlines()
for line, zipline in zip(self.line_gen, ziplines):
self.assertEqual(zipline, line + '\n')
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def zip_iterlines_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
with zipfile.ZipFile(f, "r") as zipfp:
for line, zipline in zip(self.line_gen, zipfp.open(TESTFN)):
self.assertEqual(zipline, line + '\n')
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def test_readline_read_stored(self):
# Issue #7610: calls to readline() interleaved with calls to read().
for f in (TESTFN2, TemporaryFile(), StringIO()):
self.zip_readline_read_test(f, zipfile.ZIP_STORED)
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def test_readline_stored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_readline_test(f, zipfile.ZIP_STORED)
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def test_readlines_stored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_readlines_test(f, zipfile.ZIP_STORED)
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def test_iterlines_stored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_iterlines_test(f, zipfile.ZIP_STORED)
@skipUnless(zlib, "requires zlib")
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def test_deflated(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_test(f, zipfile.ZIP_DEFLATED)
@skipUnless(zlib, "requires zlib")
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def test_open_deflated(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_open_test(f, zipfile.ZIP_DEFLATED)
@skipUnless(zlib, "requires zlib")
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def test_random_open_deflated(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_random_open_test(f, zipfile.ZIP_DEFLATED)
@skipUnless(zlib, "requires zlib")
def test_readline_read_deflated(self):
# Issue #7610: calls to readline() interleaved with calls to read().
for f in (TESTFN2, TemporaryFile(), StringIO()):
self.zip_readline_read_test(f, zipfile.ZIP_DEFLATED)
@skipUnless(zlib, "requires zlib")
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def test_readline_deflated(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_readline_test(f, zipfile.ZIP_DEFLATED)
@skipUnless(zlib, "requires zlib")
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def test_readlines_deflated(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_readlines_test(f, zipfile.ZIP_DEFLATED)
@skipUnless(zlib, "requires zlib")
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def test_iterlines_deflated(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_iterlines_test(f, zipfile.ZIP_DEFLATED)
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@skipUnless(zlib, "requires zlib")
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def test_low_compression(self):
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"""Check for cases where compressed data is larger than original."""
# Create the ZIP archive
with zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_DEFLATED) as zipfp:
zipfp.writestr("strfile", '12')
# Get an open object for strfile
with zipfile.ZipFile(TESTFN2, "r", zipfile.ZIP_DEFLATED) as zipfp:
openobj = zipfp.open("strfile")
self.assertEqual(openobj.read(1), '1')
self.assertEqual(openobj.read(1), '2')
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def test_absolute_arcnames(self):
with zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED) as zipfp:
zipfp.write(TESTFN, "/absolute")
with zipfile.ZipFile(TESTFN2, "r", zipfile.ZIP_STORED) as zipfp:
self.assertEqual(zipfp.namelist(), ["absolute"])
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def test_append_to_zip_file(self):
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"""Test appending to an existing zipfile."""
with zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED) as zipfp:
zipfp.write(TESTFN, TESTFN)
with zipfile.ZipFile(TESTFN2, "a", zipfile.ZIP_STORED) as zipfp:
zipfp.writestr("strfile", self.data)
self.assertEqual(zipfp.namelist(), [TESTFN, "strfile"])
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def test_append_to_non_zip_file(self):
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"""Test appending to an existing file that is not a zipfile."""
# NOTE: this test fails if len(d) < 22 because of the first
# line "fpin.seek(-22, 2)" in _EndRecData
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data = 'I am not a ZipFile!'*10
with open(TESTFN2, 'wb') as f:
f.write(data)
with zipfile.ZipFile(TESTFN2, "a", zipfile.ZIP_STORED) as zipfp:
zipfp.write(TESTFN, TESTFN)
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with open(TESTFN2, 'rb') as f:
f.seek(len(data))
with zipfile.ZipFile(f, "r") as zipfp:
self.assertEqual(zipfp.namelist(), [TESTFN])
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def test_write_default_name(self):
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"""Check that calling ZipFile.write without arcname specified
produces the expected result."""
with zipfile.ZipFile(TESTFN2, "w") as zipfp:
zipfp.write(TESTFN)
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self.assertEqual(zipfp.read(TESTFN), open(TESTFN).read())
@skipUnless(zlib, "requires zlib")
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def test_per_file_compression(self):
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"""Check that files within a Zip archive can have different
compression options."""
with zipfile.ZipFile(TESTFN2, "w") as zipfp:
zipfp.write(TESTFN, 'storeme', zipfile.ZIP_STORED)
zipfp.write(TESTFN, 'deflateme', zipfile.ZIP_DEFLATED)
sinfo = zipfp.getinfo('storeme')
dinfo = zipfp.getinfo('deflateme')
self.assertEqual(sinfo.compress_type, zipfile.ZIP_STORED)
self.assertEqual(dinfo.compress_type, zipfile.ZIP_DEFLATED)
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def test_write_to_readonly(self):
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"""Check that trying to call write() on a readonly ZipFile object
raises a RuntimeError."""
with zipfile.ZipFile(TESTFN2, mode="w") as zipfp:
zipfp.writestr("somefile.txt", "bogus")
with zipfile.ZipFile(TESTFN2, mode="r") as zipfp:
self.assertRaises(RuntimeError, zipfp.write, TESTFN)
def test_extract(self):
with zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED) as zipfp:
for fpath, fdata in SMALL_TEST_DATA:
zipfp.writestr(fpath, fdata)
with zipfile.ZipFile(TESTFN2, "r") as zipfp:
for fpath, fdata in SMALL_TEST_DATA:
writtenfile = zipfp.extract(fpath)
# make sure it was written to the right place
if os.path.isabs(fpath):
correctfile = os.path.join(os.getcwd(), fpath[1:])
else:
correctfile = os.path.join(os.getcwd(), fpath)
correctfile = os.path.normpath(correctfile)
self.assertEqual(writtenfile, correctfile)
# make sure correct data is in correct file
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self.assertEqual(fdata, open(writtenfile, "rb").read())
os.remove(writtenfile)
# remove the test file subdirectories
shutil.rmtree(os.path.join(os.getcwd(), 'ziptest2dir'))
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def test_extract_all(self):
with zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED) as zipfp:
for fpath, fdata in SMALL_TEST_DATA:
zipfp.writestr(fpath, fdata)
with zipfile.ZipFile(TESTFN2, "r") as zipfp:
zipfp.extractall()
for fpath, fdata in SMALL_TEST_DATA:
if os.path.isabs(fpath):
outfile = os.path.join(os.getcwd(), fpath[1:])
else:
outfile = os.path.join(os.getcwd(), fpath)
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self.assertEqual(fdata, open(outfile, "rb").read())
os.remove(outfile)
# remove the test file subdirectories
shutil.rmtree(os.path.join(os.getcwd(), 'ziptest2dir'))
def test_writestr_compression(self):
zipfp = zipfile.ZipFile(TESTFN2, "w")
zipfp.writestr("a.txt", "hello world", compress_type=zipfile.ZIP_STORED)
if zlib:
zipfp.writestr("b.txt", "hello world", compress_type=zipfile.ZIP_DEFLATED)
info = zipfp.getinfo('a.txt')
self.assertEqual(info.compress_type, zipfile.ZIP_STORED)
if zlib:
info = zipfp.getinfo('b.txt')
self.assertEqual(info.compress_type, zipfile.ZIP_DEFLATED)
def zip_test_writestr_permissions(self, f, compression):
# Make sure that writestr creates files with mode 0600,
# when it is passed a name rather than a ZipInfo instance.
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self.make_test_archive(f, compression)
with zipfile.ZipFile(f, "r") as zipfp:
zinfo = zipfp.getinfo('strfile')
self.assertEqual(zinfo.external_attr, 0600 << 16)
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def test_writestr_permissions(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
self.zip_test_writestr_permissions(f, zipfile.ZIP_STORED)
def test_close(self):
"""Check that the zipfile is closed after the 'with' block."""
with zipfile.ZipFile(TESTFN2, "w") as zipfp:
for fpath, fdata in SMALL_TEST_DATA:
zipfp.writestr(fpath, fdata)
self.assertTrue(zipfp.fp is not None, 'zipfp is not open')
self.assertTrue(zipfp.fp is None, 'zipfp is not closed')
with zipfile.ZipFile(TESTFN2, "r") as zipfp:
self.assertTrue(zipfp.fp is not None, 'zipfp is not open')
self.assertTrue(zipfp.fp is None, 'zipfp is not closed')
def test_close_on_exception(self):
"""Check that the zipfile is closed if an exception is raised in the
'with' block."""
with zipfile.ZipFile(TESTFN2, "w") as zipfp:
for fpath, fdata in SMALL_TEST_DATA:
zipfp.writestr(fpath, fdata)
try:
with zipfile.ZipFile(TESTFN2, "r") as zipfp2:
raise zipfile.BadZipfile()
except zipfile.BadZipfile:
self.assertTrue(zipfp2.fp is None, 'zipfp is not closed')
def tearDown(self):
unlink(TESTFN)
unlink(TESTFN2)
class TestZip64InSmallFiles(unittest.TestCase):
# These tests test the ZIP64 functionality without using large files,
# see test_zipfile64 for proper tests.
def setUp(self):
self._limit = zipfile.ZIP64_LIMIT
zipfile.ZIP64_LIMIT = 5
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line_gen = ("Test of zipfile line %d." % i
for i in range(0, FIXEDTEST_SIZE))
self.data = '\n'.join(line_gen)
# Make a source file with some lines
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with open(TESTFN, "wb") as fp:
fp.write(self.data)
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def large_file_exception_test(self, f, compression):
with zipfile.ZipFile(f, "w", compression) as zipfp:
self.assertRaises(zipfile.LargeZipFile,
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zipfp.write, TESTFN, "another.name")
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def large_file_exception_test2(self, f, compression):
with zipfile.ZipFile(f, "w", compression) as zipfp:
self.assertRaises(zipfile.LargeZipFile,
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zipfp.writestr, "another.name", self.data)
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def test_large_file_exception(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.large_file_exception_test(f, zipfile.ZIP_STORED)
self.large_file_exception_test2(f, zipfile.ZIP_STORED)
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def zip_test(self, f, compression):
# Create the ZIP archive
with zipfile.ZipFile(f, "w", compression, allowZip64=True) as zipfp:
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zipfp.write(TESTFN, "another.name")
zipfp.write(TESTFN, TESTFN)
zipfp.writestr("strfile", self.data)
# Read the ZIP archive
with zipfile.ZipFile(f, "r", compression) as zipfp:
self.assertEqual(zipfp.read(TESTFN), self.data)
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self.assertEqual(zipfp.read("another.name"), self.data)
self.assertEqual(zipfp.read("strfile"), self.data)
# Print the ZIP directory
fp = StringIO()
stdout = sys.stdout
try:
sys.stdout = fp
zipfp.printdir()
finally:
sys.stdout = stdout
directory = fp.getvalue()
lines = directory.splitlines()
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self.assertEqual(len(lines), 4) # Number of files + header
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self.assertIn('File Name', lines[0])
self.assertIn('Modified', lines[0])
self.assertIn('Size', lines[0])
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fn, date, time_, size = lines[1].split()
self.assertEqual(fn, 'another.name')
self.assertTrue(time.strptime(date, '%Y-%m-%d'))
self.assertTrue(time.strptime(time_, '%H:%M:%S'))
self.assertEqual(size, str(len(self.data)))
# Check the namelist
names = zipfp.namelist()
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self.assertEqual(len(names), 3)
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self.assertIn(TESTFN, names)
self.assertIn("another.name", names)
self.assertIn("strfile", names)
# Check infolist
infos = zipfp.infolist()
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names = [i.filename for i in infos]
self.assertEqual(len(names), 3)
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self.assertIn(TESTFN, names)
self.assertIn("another.name", names)
self.assertIn("strfile", names)
for i in infos:
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self.assertEqual(i.file_size, len(self.data))
# check getinfo
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for nm in (TESTFN, "another.name", "strfile"):
info = zipfp.getinfo(nm)
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self.assertEqual(info.filename, nm)
self.assertEqual(info.file_size, len(self.data))
# Check that testzip doesn't raise an exception
zipfp.testzip()
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def test_stored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_test(f, zipfile.ZIP_STORED)
@skipUnless(zlib, "requires zlib")
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def test_deflated(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_test(f, zipfile.ZIP_DEFLATED)
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def test_absolute_arcnames(self):
with zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED,
allowZip64=True) as zipfp:
zipfp.write(TESTFN, "/absolute")
with zipfile.ZipFile(TESTFN2, "r", zipfile.ZIP_STORED) as zipfp:
self.assertEqual(zipfp.namelist(), ["absolute"])
def tearDown(self):
zipfile.ZIP64_LIMIT = self._limit
unlink(TESTFN)
unlink(TESTFN2)
class PyZipFileTests(unittest.TestCase):
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def test_write_pyfile(self):
with zipfile.PyZipFile(TemporaryFile(), "w") as zipfp:
fn = __file__
if fn.endswith('.pyc') or fn.endswith('.pyo'):
fn = fn[:-1]
zipfp.writepy(fn)
bn = os.path.basename(fn)
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self.assertNotIn(bn, zipfp.namelist())
self.assertTrue(bn + 'o' in zipfp.namelist() or
bn + 'c' in zipfp.namelist())
with zipfile.PyZipFile(TemporaryFile(), "w") as zipfp:
fn = __file__
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if fn.endswith(('.pyc', '.pyo')):
fn = fn[:-1]
zipfp.writepy(fn, "testpackage")
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bn = "%s/%s" % ("testpackage", os.path.basename(fn))
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self.assertNotIn(bn, zipfp.namelist())
self.assertTrue(bn + 'o' in zipfp.namelist() or
bn + 'c' in zipfp.namelist())
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def test_write_python_package(self):
import email
packagedir = os.path.dirname(email.__file__)
with zipfile.PyZipFile(TemporaryFile(), "w") as zipfp:
zipfp.writepy(packagedir)
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# Check for a couple of modules at different levels of the
# hierarchy
names = zipfp.namelist()
self.assertTrue('email/__init__.pyo' in names or
'email/__init__.pyc' in names)
self.assertTrue('email/mime/text.pyo' in names or
'email/mime/text.pyc' in names)
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def test_write_python_directory(self):
os.mkdir(TESTFN2)
try:
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with open(os.path.join(TESTFN2, "mod1.py"), "w") as fp:
fp.write("print(42)\n")
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with open(os.path.join(TESTFN2, "mod2.py"), "w") as fp:
fp.write("print(42 * 42)\n")
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with open(os.path.join(TESTFN2, "mod2.txt"), "w") as fp:
fp.write("bla bla bla\n")
zipfp = zipfile.PyZipFile(TemporaryFile(), "w")
zipfp.writepy(TESTFN2)
names = zipfp.namelist()
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self.assertTrue('mod1.pyc' in names or 'mod1.pyo' in names)
self.assertTrue('mod2.pyc' in names or 'mod2.pyo' in names)
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self.assertNotIn('mod2.txt', names)
finally:
shutil.rmtree(TESTFN2)
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def test_write_non_pyfile(self):
with zipfile.PyZipFile(TemporaryFile(), "w") as zipfp:
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open(TESTFN, 'w').write('most definitely not a python file')
self.assertRaises(RuntimeError, zipfp.writepy, TESTFN)
os.remove(TESTFN)
class OtherTests(unittest.TestCase):
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def test_unicode_filenames(self):
with zipfile.ZipFile(TESTFN, "w") as zf:
zf.writestr(u"foo.txt", "Test for unicode filename")
zf.writestr(u"\xf6.txt", "Test for unicode filename")
self.assertIsInstance(zf.infolist()[0].filename, unicode)
with zipfile.ZipFile(TESTFN, "r") as zf:
self.assertEqual(zf.filelist[0].filename, "foo.txt")
self.assertEqual(zf.filelist[1].filename, u"\xf6.txt")
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def test_create_non_existent_file_for_append(self):
if os.path.exists(TESTFN):
os.unlink(TESTFN)
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filename = 'testfile.txt'
content = 'hello, world. this is some content.'
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try:
with zipfile.ZipFile(TESTFN, 'a') as zf:
zf.writestr(filename, content)
except IOError:
self.fail('Could not append data to a non-existent zip file.')
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self.assertTrue(os.path.exists(TESTFN))
with zipfile.ZipFile(TESTFN, 'r') as zf:
self.assertEqual(zf.read(filename), content)
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def test_close_erroneous_file(self):
# This test checks that the ZipFile constructor closes the file object
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# it opens if there's an error in the file. If it doesn't, the
# traceback holds a reference to the ZipFile object and, indirectly,
# the file object.
# On Windows, this causes the os.unlink() call to fail because the
# underlying file is still open. This is SF bug #412214.
#
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with open(TESTFN, "w") as fp:
fp.write("this is not a legal zip file\n")
try:
zf = zipfile.ZipFile(TESTFN)
except zipfile.BadZipfile:
pass
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def test_is_zip_erroneous_file(self):
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"""Check that is_zipfile() correctly identifies non-zip files."""
# - passing a filename
with open(TESTFN, "w") as fp:
fp.write("this is not a legal zip file\n")
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chk = zipfile.is_zipfile(TESTFN)
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self.assertFalse(chk)
# - passing a file object
with open(TESTFN, "rb") as fp:
chk = zipfile.is_zipfile(fp)
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self.assertTrue(not chk)
# - passing a file-like object
fp = StringIO()
fp.write("this is not a legal zip file\n")
chk = zipfile.is_zipfile(fp)
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self.assertTrue(not chk)
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fp.seek(0, 0)
chk = zipfile.is_zipfile(fp)
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self.assertTrue(not chk)
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def test_is_zip_valid_file(self):
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"""Check that is_zipfile() correctly identifies zip files."""
# - passing a filename
with zipfile.ZipFile(TESTFN, mode="w") as zipf:
zipf.writestr("foo.txt", "O, for a Muse of Fire!")
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chk = zipfile.is_zipfile(TESTFN)
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self.assertTrue(chk)
# - passing a file object
with open(TESTFN, "rb") as fp:
chk = zipfile.is_zipfile(fp)
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self.assertTrue(chk)
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fp.seek(0, 0)
zip_contents = fp.read()
# - passing a file-like object
fp = StringIO()
fp.write(zip_contents)
chk = zipfile.is_zipfile(fp)
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self.assertTrue(chk)
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fp.seek(0, 0)
chk = zipfile.is_zipfile(fp)
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self.assertTrue(chk)
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def test_non_existent_file_raises_IOError(self):
# make sure we don't raise an AttributeError when a partially-constructed
# ZipFile instance is finalized; this tests for regression on SF tracker
# bug #403871.
# The bug we're testing for caused an AttributeError to be raised
# when a ZipFile instance was created for a file that did not
# exist; the .fp member was not initialized but was needed by the
# __del__() method. Since the AttributeError is in the __del__(),
# it is ignored, but the user should be sufficiently annoyed by
# the message on the output that regression will be noticed
# quickly.
self.assertRaises(IOError, zipfile.ZipFile, TESTFN)
def test_empty_file_raises_BadZipFile(self):
f = open(TESTFN, 'w')
f.close()
self.assertRaises(zipfile.BadZipfile, zipfile.ZipFile, TESTFN)
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with open(TESTFN, 'w') as fp:
fp.write("short file")
self.assertRaises(zipfile.BadZipfile, zipfile.ZipFile, TESTFN)
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def test_closed_zip_raises_RuntimeError(self):
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"""Verify that testzip() doesn't swallow inappropriate exceptions."""
data = StringIO()
with zipfile.ZipFile(data, mode="w") as zipf:
zipf.writestr("foo.txt", "O, for a Muse of Fire!")
# This is correct; calling .read on a closed ZipFile should throw
# a RuntimeError, and so should calling .testzip. An earlier
# version of .testzip would swallow this exception (and any other)
# and report that the first file in the archive was corrupt.
self.assertRaises(RuntimeError, zipf.read, "foo.txt")
self.assertRaises(RuntimeError, zipf.open, "foo.txt")
self.assertRaises(RuntimeError, zipf.testzip)
self.assertRaises(RuntimeError, zipf.writestr, "bogus.txt", "bogus")
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open(TESTFN, 'w').write('zipfile test data')
self.assertRaises(RuntimeError, zipf.write, TESTFN)
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def test_bad_constructor_mode(self):
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"""Check that bad modes passed to ZipFile constructor are caught."""
self.assertRaises(RuntimeError, zipfile.ZipFile, TESTFN, "q")
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def test_bad_open_mode(self):
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"""Check that bad modes passed to ZipFile.open are caught."""
with zipfile.ZipFile(TESTFN, mode="w") as zipf:
zipf.writestr("foo.txt", "O, for a Muse of Fire!")
with zipfile.ZipFile(TESTFN, mode="r") as zipf:
# read the data to make sure the file is there
zipf.read("foo.txt")
self.assertRaises(RuntimeError, zipf.open, "foo.txt", "q")
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def test_read0(self):
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"""Check that calling read(0) on a ZipExtFile object returns an empty
string and doesn't advance file pointer."""
with zipfile.ZipFile(TESTFN, mode="w") as zipf:
zipf.writestr("foo.txt", "O, for a Muse of Fire!")
# read the data to make sure the file is there
f = zipf.open("foo.txt")
for i in xrange(FIXEDTEST_SIZE):
self.assertEqual(f.read(0), '')
self.assertEqual(f.read(), "O, for a Muse of Fire!")
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def test_open_non_existent_item(self):
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"""Check that attempting to call open() for an item that doesn't
exist in the archive raises a RuntimeError."""
with zipfile.ZipFile(TESTFN, mode="w") as zipf:
self.assertRaises(KeyError, zipf.open, "foo.txt", "r")
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def test_bad_compression_mode(self):
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"""Check that bad compression methods passed to ZipFile.open are
caught."""
self.assertRaises(RuntimeError, zipfile.ZipFile, TESTFN, "w", -1)
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def test_null_byte_in_filename(self):
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"""Check that a filename containing a null byte is properly
terminated."""
with zipfile.ZipFile(TESTFN, mode="w") as zipf:
zipf.writestr("foo.txt\x00qqq", "O, for a Muse of Fire!")
self.assertEqual(zipf.namelist(), ['foo.txt'])
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def test_struct_sizes(self):
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"""Check that ZIP internal structure sizes are calculated correctly."""
self.assertEqual(zipfile.sizeEndCentDir, 22)
self.assertEqual(zipfile.sizeCentralDir, 46)
self.assertEqual(zipfile.sizeEndCentDir64, 56)
self.assertEqual(zipfile.sizeEndCentDir64Locator, 20)
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def test_comments(self):
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"""Check that comments on the archive are handled properly."""
# check default comment is empty
with zipfile.ZipFile(TESTFN, mode="w") as zipf:
self.assertEqual(zipf.comment, '')
zipf.writestr("foo.txt", "O, for a Muse of Fire!")
with zipfile.ZipFile(TESTFN, mode="r") as zipf:
self.assertEqual(zipf.comment, '')
# check a simple short comment
comment = 'Bravely taking to his feet, he beat a very brave retreat.'
with zipfile.ZipFile(TESTFN, mode="w") as zipf:
zipf.comment = comment
zipf.writestr("foo.txt", "O, for a Muse of Fire!")
with zipfile.ZipFile(TESTFN, mode="r") as zipf:
self.assertEqual(zipf.comment, comment)
# check a comment of max length
comment2 = ''.join(['%d' % (i**3 % 10) for i in xrange((1 << 16)-1)])
with zipfile.ZipFile(TESTFN, mode="w") as zipf:
zipf.comment = comment2
zipf.writestr("foo.txt", "O, for a Muse of Fire!")
with zipfile.ZipFile(TESTFN, mode="r") as zipf:
self.assertEqual(zipf.comment, comment2)
# check a comment that is too long is truncated
with zipfile.ZipFile(TESTFN, mode="w") as zipf:
zipf.comment = comment2 + 'oops'
zipf.writestr("foo.txt", "O, for a Muse of Fire!")
with zipfile.ZipFile(TESTFN, mode="r") as zipf:
self.assertEqual(zipf.comment, comment2)
def tearDown(self):
unlink(TESTFN)
unlink(TESTFN2)
class DecryptionTests(unittest.TestCase):
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"""Check that ZIP decryption works. Since the library does not
support encryption at the moment, we use a pre-generated encrypted
ZIP file."""
data = (
'PK\x03\x04\x14\x00\x01\x00\x00\x00n\x92i.#y\xef?&\x00\x00\x00\x1a\x00'
'\x00\x00\x08\x00\x00\x00test.txt\xfa\x10\xa0gly|\xfa-\xc5\xc0=\xf9y'
'\x18\xe0\xa8r\xb3Z}Lg\xbc\xae\xf9|\x9b\x19\xe4\x8b\xba\xbb)\x8c\xb0\xdbl'
'PK\x01\x02\x14\x00\x14\x00\x01\x00\x00\x00n\x92i.#y\xef?&\x00\x00\x00'
'\x1a\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x01\x00 \x00\xb6\x81'
'\x00\x00\x00\x00test.txtPK\x05\x06\x00\x00\x00\x00\x01\x00\x01\x006\x00'
'\x00\x00L\x00\x00\x00\x00\x00' )
data2 = (
'PK\x03\x04\x14\x00\t\x00\x08\x00\xcf}38xu\xaa\xb2\x14\x00\x00\x00\x00\x02'
'\x00\x00\x04\x00\x15\x00zeroUT\t\x00\x03\xd6\x8b\x92G\xda\x8b\x92GUx\x04'
'\x00\xe8\x03\xe8\x03\xc7<M\xb5a\xceX\xa3Y&\x8b{oE\xd7\x9d\x8c\x98\x02\xc0'
'PK\x07\x08xu\xaa\xb2\x14\x00\x00\x00\x00\x02\x00\x00PK\x01\x02\x17\x03'
'\x14\x00\t\x00\x08\x00\xcf}38xu\xaa\xb2\x14\x00\x00\x00\x00\x02\x00\x00'
'\x04\x00\r\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa4\x81\x00\x00\x00\x00ze'
'roUT\x05\x00\x03\xd6\x8b\x92GUx\x00\x00PK\x05\x06\x00\x00\x00\x00\x01'
'\x00\x01\x00?\x00\x00\x00[\x00\x00\x00\x00\x00' )
plain = 'zipfile.py encryption test'
plain2 = '\x00'*512
def setUp(self):
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with open(TESTFN, "wb") as fp:
fp.write(self.data)
self.zip = zipfile.ZipFile(TESTFN, "r")
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with open(TESTFN2, "wb") as fp:
fp.write(self.data2)
self.zip2 = zipfile.ZipFile(TESTFN2, "r")
def tearDown(self):
self.zip.close()
os.unlink(TESTFN)
self.zip2.close()
os.unlink(TESTFN2)
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def test_no_password(self):
# Reading the encrypted file without password
# must generate a RunTime exception
self.assertRaises(RuntimeError, self.zip.read, "test.txt")
self.assertRaises(RuntimeError, self.zip2.read, "zero")
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def test_bad_password(self):
self.zip.setpassword("perl")
self.assertRaises(RuntimeError, self.zip.read, "test.txt")
self.zip2.setpassword("perl")
self.assertRaises(RuntimeError, self.zip2.read, "zero")
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@skipUnless(zlib, "requires zlib")
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def test_good_password(self):
self.zip.setpassword("python")
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self.assertEqual(self.zip.read("test.txt"), self.plain)
self.zip2.setpassword("12345")
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self.assertEqual(self.zip2.read("zero"), self.plain2)
class TestsWithRandomBinaryFiles(unittest.TestCase):
def setUp(self):
datacount = randint(16, 64)*1024 + randint(1, 1024)
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self.data = ''.join(struct.pack('<f', random()*randint(-1000, 1000))
for i in xrange(datacount))
# Make a source file with some lines
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with open(TESTFN, "wb") as fp:
fp.write(self.data)
def tearDown(self):
unlink(TESTFN)
unlink(TESTFN2)
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def make_test_archive(self, f, compression):
# Create the ZIP archive
with zipfile.ZipFile(f, "w", compression) as zipfp:
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zipfp.write(TESTFN, "another.name")
zipfp.write(TESTFN, TESTFN)
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def zip_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
with zipfile.ZipFile(f, "r", compression) as zipfp:
testdata = zipfp.read(TESTFN)
self.assertEqual(len(testdata), len(self.data))
self.assertEqual(testdata, self.data)
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self.assertEqual(zipfp.read("another.name"), self.data)
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def test_stored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_test(f, zipfile.ZIP_STORED)
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def zip_open_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
with zipfile.ZipFile(f, "r", compression) as zipfp:
zipdata1 = []
zipopen1 = zipfp.open(TESTFN)
while True:
read_data = zipopen1.read(256)
if not read_data:
break
zipdata1.append(read_data)
zipdata2 = []
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zipopen2 = zipfp.open("another.name")
while True:
read_data = zipopen2.read(256)
if not read_data:
break
zipdata2.append(read_data)
testdata1 = ''.join(zipdata1)
self.assertEqual(len(testdata1), len(self.data))
self.assertEqual(testdata1, self.data)
testdata2 = ''.join(zipdata2)
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self.assertEqual(len(testdata2), len(self.data))
self.assertEqual(testdata2, self.data)
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def test_open_stored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_open_test(f, zipfile.ZIP_STORED)
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def zip_random_open_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
with zipfile.ZipFile(f, "r", compression) as zipfp:
zipdata1 = []
zipopen1 = zipfp.open(TESTFN)
while True:
read_data = zipopen1.read(randint(1, 1024))
if not read_data:
break
zipdata1.append(read_data)
testdata = ''.join(zipdata1)
self.assertEqual(len(testdata), len(self.data))
self.assertEqual(testdata, self.data)
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def test_random_open_stored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.zip_random_open_test(f, zipfile.ZIP_STORED)
@skipUnless(zlib, "requires zlib")
class TestsWithMultipleOpens(unittest.TestCase):
def setUp(self):
# Create the ZIP archive
with zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_DEFLATED) as zipfp:
zipfp.writestr('ones', '1'*FIXEDTEST_SIZE)
zipfp.writestr('twos', '2'*FIXEDTEST_SIZE)
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def test_same_file(self):
# Verify that (when the ZipFile is in control of creating file objects)
# multiple open() calls can be made without interfering with each other.
with zipfile.ZipFile(TESTFN2, mode="r") as zipf:
zopen1 = zipf.open('ones')
zopen2 = zipf.open('ones')
data1 = zopen1.read(500)
data2 = zopen2.read(500)
data1 += zopen1.read(500)
data2 += zopen2.read(500)
self.assertEqual(data1, data2)
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def test_different_file(self):
# Verify that (when the ZipFile is in control of creating file objects)
# multiple open() calls can be made without interfering with each other.
with zipfile.ZipFile(TESTFN2, mode="r") as zipf:
zopen1 = zipf.open('ones')
zopen2 = zipf.open('twos')
data1 = zopen1.read(500)
data2 = zopen2.read(500)
data1 += zopen1.read(500)
data2 += zopen2.read(500)
self.assertEqual(data1, '1'*FIXEDTEST_SIZE)
self.assertEqual(data2, '2'*FIXEDTEST_SIZE)
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def test_interleaved(self):
# Verify that (when the ZipFile is in control of creating file objects)
# multiple open() calls can be made without interfering with each other.
with zipfile.ZipFile(TESTFN2, mode="r") as zipf:
zopen1 = zipf.open('ones')
data1 = zopen1.read(500)
zopen2 = zipf.open('twos')
data2 = zopen2.read(500)
data1 += zopen1.read(500)
data2 += zopen2.read(500)
self.assertEqual(data1, '1'*FIXEDTEST_SIZE)
self.assertEqual(data2, '2'*FIXEDTEST_SIZE)
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def tearDown(self):
unlink(TESTFN2)
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class TestWithDirectory(unittest.TestCase):
def setUp(self):
os.mkdir(TESTFN2)
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def test_extract_dir(self):
with zipfile.ZipFile(findfile("zipdir.zip")) as zipf:
zipf.extractall(TESTFN2)
self.assertTrue(os.path.isdir(os.path.join(TESTFN2, "a")))
self.assertTrue(os.path.isdir(os.path.join(TESTFN2, "a", "b")))
self.assertTrue(os.path.exists(os.path.join(TESTFN2, "a", "b", "c")))
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def test_bug_6050(self):
# Extraction should succeed if directories already exist
os.mkdir(os.path.join(TESTFN2, "a"))
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self.test_extract_dir()
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def test_store_dir(self):
os.mkdir(os.path.join(TESTFN2, "x"))
zipf = zipfile.ZipFile(TESTFN, "w")
zipf.write(os.path.join(TESTFN2, "x"), "x")
self.assertTrue(zipf.filelist[0].filename.endswith("x/"))
def tearDown(self):
shutil.rmtree(TESTFN2)
if os.path.exists(TESTFN):
unlink(TESTFN)
class UniversalNewlineTests(unittest.TestCase):
def setUp(self):
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self.line_gen = ["Test of zipfile line %d." % i
for i in xrange(FIXEDTEST_SIZE)]
self.seps = ('\r', '\r\n', '\n')
self.arcdata, self.arcfiles = {}, {}
for n, s in enumerate(self.seps):
self.arcdata[s] = s.join(self.line_gen) + s
self.arcfiles[s] = '%s-%d' % (TESTFN, n)
open(self.arcfiles[s], "wb").write(self.arcdata[s])
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def make_test_archive(self, f, compression):
# Create the ZIP archive
with zipfile.ZipFile(f, "w", compression) as zipfp:
for fn in self.arcfiles.values():
zipfp.write(fn, fn)
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def read_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
with zipfile.ZipFile(f, "r") as zipfp:
for sep, fn in self.arcfiles.items():
zipdata = zipfp.open(fn, "rU").read()
self.assertEqual(self.arcdata[sep], zipdata)
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def readline_read_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
zipfp = zipfile.ZipFile(f, "r")
for sep, fn in self.arcfiles.items():
zipopen = zipfp.open(fn, "rU")
data = ''
while True:
read = zipopen.readline()
if not read:
break
data += read
read = zipopen.read(5)
if not read:
break
data += read
self.assertEqual(data, self.arcdata['\n'])
zipfp.close()
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def readline_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
with zipfile.ZipFile(f, "r") as zipfp:
for sep, fn in self.arcfiles.items():
zipopen = zipfp.open(fn, "rU")
for line in self.line_gen:
linedata = zipopen.readline()
self.assertEqual(linedata, line + '\n')
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def readlines_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
with zipfile.ZipFile(f, "r") as zipfp:
for sep, fn in self.arcfiles.items():
ziplines = zipfp.open(fn, "rU").readlines()
for line, zipline in zip(self.line_gen, ziplines):
self.assertEqual(zipline, line + '\n')
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def iterlines_test(self, f, compression):
self.make_test_archive(f, compression)
# Read the ZIP archive
with zipfile.ZipFile(f, "r") as zipfp:
for sep, fn in self.arcfiles.items():
for line, zipline in zip(self.line_gen, zipfp.open(fn, "rU")):
self.assertEqual(zipline, line + '\n')
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def test_read_stored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.read_test(f, zipfile.ZIP_STORED)
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def test_readline_read_stored(self):
# Issue #7610: calls to readline() interleaved with calls to read().
for f in (TESTFN2, TemporaryFile(), StringIO()):
self.readline_read_test(f, zipfile.ZIP_STORED)
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def test_readline_stored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.readline_test(f, zipfile.ZIP_STORED)
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def test_readlines_stored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.readlines_test(f, zipfile.ZIP_STORED)
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def test_iterlines_stored(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.iterlines_test(f, zipfile.ZIP_STORED)
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@skipUnless(zlib, "requires zlib")
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def test_read_deflated(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.read_test(f, zipfile.ZIP_DEFLATED)
@skipUnless(zlib, "requires zlib")
def test_readline_read_deflated(self):
# Issue #7610: calls to readline() interleaved with calls to read().
for f in (TESTFN2, TemporaryFile(), StringIO()):
self.readline_read_test(f, zipfile.ZIP_DEFLATED)
@skipUnless(zlib, "requires zlib")
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def test_readline_deflated(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.readline_test(f, zipfile.ZIP_DEFLATED)
@skipUnless(zlib, "requires zlib")
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def test_readlines_deflated(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.readlines_test(f, zipfile.ZIP_DEFLATED)
@skipUnless(zlib, "requires zlib")
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def test_iterlines_deflated(self):
for f in (TESTFN2, TemporaryFile(), StringIO()):
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self.iterlines_test(f, zipfile.ZIP_DEFLATED)
def tearDown(self):
for sep, fn in self.arcfiles.items():
os.remove(fn)
unlink(TESTFN)
unlink(TESTFN2)
def test_main():
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run_unittest(TestsWithSourceFile, TestZip64InSmallFiles, OtherTests,
PyZipFileTests, DecryptionTests, TestsWithMultipleOpens,
TestWithDirectory, UniversalNewlineTests,
TestsWithRandomBinaryFiles)
if __name__ == "__main__":
test_main()