| import contextlib |
| import io |
| import os |
| import importlib.util |
| import posixpath |
| import time |
| import struct |
| import zipfile |
| import unittest |
| |
| |
| from tempfile import TemporaryFile |
| from random import randint, random, getrandbits |
| |
| from test.support import (TESTFN, findfile, unlink, rmtree, |
| requires_zlib, requires_bz2, requires_lzma, |
| captured_stdout, check_warnings) |
| |
| TESTFN2 = TESTFN + "2" |
| TESTFNDIR = TESTFN + "d" |
| FIXEDTEST_SIZE = 1000 |
| DATAFILES_DIR = 'zipfile_datafiles' |
| |
| SMALL_TEST_DATA = [('_ziptest1', '1q2w3e4r5t'), |
| ('ziptest2dir/_ziptest2', 'qawsedrftg'), |
| ('ziptest2dir/ziptest3dir/_ziptest3', 'azsxdcfvgb'), |
| ('ziptest2dir/ziptest3dir/ziptest4dir/_ziptest3', '6y7u8i9o0p')] |
| |
| def getrandbytes(size): |
| return getrandbits(8 * size).to_bytes(size, 'little') |
| |
| def get_files(test): |
| yield TESTFN2 |
| with TemporaryFile() as f: |
| yield f |
| test.assertFalse(f.closed) |
| with io.BytesIO() as f: |
| yield f |
| test.assertFalse(f.closed) |
| |
| class AbstractTestsWithSourceFile: |
| @classmethod |
| def setUpClass(cls): |
| cls.line_gen = [bytes("Zipfile test line %d. random float: %f\n" % |
| (i, random()), "ascii") |
| for i in range(FIXEDTEST_SIZE)] |
| cls.data = b''.join(cls.line_gen) |
| |
| def setUp(self): |
| # Make a source file with some lines |
| with open(TESTFN, "wb") as fp: |
| fp.write(self.data) |
| |
| def make_test_archive(self, f, compression): |
| # Create the ZIP archive |
| with zipfile.ZipFile(f, "w", compression) as zipfp: |
| zipfp.write(TESTFN, "another.name") |
| zipfp.write(TESTFN, TESTFN) |
| zipfp.writestr("strfile", self.data) |
| with zipfp.open('written-open-w', mode='w') as f: |
| for line in self.line_gen: |
| f.write(line) |
| |
| 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) |
| self.assertEqual(zipfp.read("another.name"), self.data) |
| self.assertEqual(zipfp.read("strfile"), self.data) |
| |
| # Print the ZIP directory |
| fp = io.StringIO() |
| zipfp.printdir(file=fp) |
| directory = fp.getvalue() |
| lines = directory.splitlines() |
| self.assertEqual(len(lines), 5) # Number of files + header |
| |
| self.assertIn('File Name', lines[0]) |
| self.assertIn('Modified', lines[0]) |
| self.assertIn('Size', lines[0]) |
| |
| 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() |
| self.assertEqual(len(names), 4) |
| self.assertIn(TESTFN, names) |
| self.assertIn("another.name", names) |
| self.assertIn("strfile", names) |
| self.assertIn("written-open-w", names) |
| |
| # Check infolist |
| infos = zipfp.infolist() |
| names = [i.filename for i in infos] |
| self.assertEqual(len(names), 4) |
| self.assertIn(TESTFN, names) |
| self.assertIn("another.name", names) |
| self.assertIn("strfile", names) |
| self.assertIn("written-open-w", names) |
| for i in infos: |
| self.assertEqual(i.file_size, len(self.data)) |
| |
| # check getinfo |
| for nm in (TESTFN, "another.name", "strfile", "written-open-w"): |
| info = zipfp.getinfo(nm) |
| self.assertEqual(info.filename, nm) |
| self.assertEqual(info.file_size, len(self.data)) |
| |
| # Check that testzip doesn't raise an exception |
| zipfp.testzip() |
| |
| def test_basic(self): |
| for f in get_files(self): |
| self.zip_test(f, self.compression) |
| |
| 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 = [] |
| with zipfp.open(TESTFN) as zipopen1: |
| while True: |
| read_data = zipopen1.read(256) |
| if not read_data: |
| break |
| zipdata1.append(read_data) |
| |
| zipdata2 = [] |
| with zipfp.open("another.name") as zipopen2: |
| while True: |
| read_data = zipopen2.read(256) |
| if not read_data: |
| break |
| zipdata2.append(read_data) |
| |
| self.assertEqual(b''.join(zipdata1), self.data) |
| self.assertEqual(b''.join(zipdata2), self.data) |
| |
| def test_open(self): |
| for f in get_files(self): |
| self.zip_open_test(f, self.compression) |
| |
| 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 = [] |
| with zipfp.open(TESTFN) as zipopen1: |
| while True: |
| read_data = zipopen1.read(randint(1, 1024)) |
| if not read_data: |
| break |
| zipdata1.append(read_data) |
| |
| self.assertEqual(b''.join(zipdata1), self.data) |
| |
| def test_random_open(self): |
| for f in get_files(self): |
| self.zip_random_open_test(f, self.compression) |
| |
| def zip_read1_test(self, f, compression): |
| self.make_test_archive(f, compression) |
| |
| # Read the ZIP archive |
| with zipfile.ZipFile(f, "r") as zipfp, \ |
| zipfp.open(TESTFN) as zipopen: |
| zipdata = [] |
| while True: |
| read_data = zipopen.read1(-1) |
| if not read_data: |
| break |
| zipdata.append(read_data) |
| |
| self.assertEqual(b''.join(zipdata), self.data) |
| |
| def test_read1(self): |
| for f in get_files(self): |
| self.zip_read1_test(f, self.compression) |
| |
| def zip_read1_10_test(self, f, compression): |
| self.make_test_archive(f, compression) |
| |
| # Read the ZIP archive |
| with zipfile.ZipFile(f, "r") as zipfp, \ |
| zipfp.open(TESTFN) as zipopen: |
| zipdata = [] |
| while True: |
| read_data = zipopen.read1(10) |
| self.assertLessEqual(len(read_data), 10) |
| if not read_data: |
| break |
| zipdata.append(read_data) |
| |
| self.assertEqual(b''.join(zipdata), self.data) |
| |
| def test_read1_10(self): |
| for f in get_files(self): |
| self.zip_read1_10_test(f, self.compression) |
| |
| def zip_readline_read_test(self, f, compression): |
| self.make_test_archive(f, compression) |
| |
| # Read the ZIP archive |
| with zipfile.ZipFile(f, "r") as zipfp, \ |
| zipfp.open(TESTFN) as zipopen: |
| data = b'' |
| 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) |
| |
| def test_readline_read(self): |
| # Issue #7610: calls to readline() interleaved with calls to read(). |
| for f in get_files(self): |
| self.zip_readline_read_test(f, self.compression) |
| |
| def zip_readline_test(self, f, compression): |
| self.make_test_archive(f, compression) |
| |
| # Read the ZIP archive |
| with zipfile.ZipFile(f, "r") as zipfp: |
| with zipfp.open(TESTFN) as zipopen: |
| for line in self.line_gen: |
| linedata = zipopen.readline() |
| self.assertEqual(linedata, line) |
| |
| def test_readline(self): |
| for f in get_files(self): |
| self.zip_readline_test(f, self.compression) |
| |
| def zip_readlines_test(self, f, compression): |
| self.make_test_archive(f, compression) |
| |
| # Read the ZIP archive |
| with zipfile.ZipFile(f, "r") as zipfp: |
| with zipfp.open(TESTFN) as zipopen: |
| ziplines = zipopen.readlines() |
| for line, zipline in zip(self.line_gen, ziplines): |
| self.assertEqual(zipline, line) |
| |
| def test_readlines(self): |
| for f in get_files(self): |
| self.zip_readlines_test(f, self.compression) |
| |
| def zip_iterlines_test(self, f, compression): |
| self.make_test_archive(f, compression) |
| |
| # Read the ZIP archive |
| with zipfile.ZipFile(f, "r") as zipfp: |
| with zipfp.open(TESTFN) as zipopen: |
| for line, zipline in zip(self.line_gen, zipopen): |
| self.assertEqual(zipline, line) |
| |
| def test_iterlines(self): |
| for f in get_files(self): |
| self.zip_iterlines_test(f, self.compression) |
| |
| def test_low_compression(self): |
| """Check for cases where compressed data is larger than original.""" |
| # Create the ZIP archive |
| with zipfile.ZipFile(TESTFN2, "w", self.compression) as zipfp: |
| zipfp.writestr("strfile", '12') |
| |
| # Get an open object for strfile |
| with zipfile.ZipFile(TESTFN2, "r", self.compression) as zipfp: |
| with zipfp.open("strfile") as openobj: |
| self.assertEqual(openobj.read(1), b'1') |
| self.assertEqual(openobj.read(1), b'2') |
| |
| def test_writestr_compression(self): |
| zipfp = zipfile.ZipFile(TESTFN2, "w") |
| zipfp.writestr("b.txt", "hello world", compress_type=self.compression) |
| info = zipfp.getinfo('b.txt') |
| self.assertEqual(info.compress_type, self.compression) |
| |
| def test_read_return_size(self): |
| # Issue #9837: ZipExtFile.read() shouldn't return more bytes |
| # than requested. |
| for test_size in (1, 4095, 4096, 4097, 16384): |
| file_size = test_size + 1 |
| junk = getrandbytes(file_size) |
| with zipfile.ZipFile(io.BytesIO(), "w", self.compression) as zipf: |
| zipf.writestr('foo', junk) |
| with zipf.open('foo', 'r') as fp: |
| buf = fp.read(test_size) |
| self.assertEqual(len(buf), test_size) |
| |
| def test_truncated_zipfile(self): |
| fp = io.BytesIO() |
| with zipfile.ZipFile(fp, mode='w') as zipf: |
| zipf.writestr('strfile', self.data, compress_type=self.compression) |
| end_offset = fp.tell() |
| zipfiledata = fp.getvalue() |
| |
| fp = io.BytesIO(zipfiledata) |
| with zipfile.ZipFile(fp) as zipf: |
| with zipf.open('strfile') as zipopen: |
| fp.truncate(end_offset - 20) |
| with self.assertRaises(EOFError): |
| zipopen.read() |
| |
| fp = io.BytesIO(zipfiledata) |
| with zipfile.ZipFile(fp) as zipf: |
| with zipf.open('strfile') as zipopen: |
| fp.truncate(end_offset - 20) |
| with self.assertRaises(EOFError): |
| while zipopen.read(100): |
| pass |
| |
| fp = io.BytesIO(zipfiledata) |
| with zipfile.ZipFile(fp) as zipf: |
| with zipf.open('strfile') as zipopen: |
| fp.truncate(end_offset - 20) |
| with self.assertRaises(EOFError): |
| while zipopen.read1(100): |
| pass |
| |
| def test_repr(self): |
| fname = 'file.name' |
| for f in get_files(self): |
| with zipfile.ZipFile(f, 'w', self.compression) as zipfp: |
| zipfp.write(TESTFN, fname) |
| r = repr(zipfp) |
| self.assertIn("mode='w'", r) |
| |
| with zipfile.ZipFile(f, 'r') as zipfp: |
| r = repr(zipfp) |
| if isinstance(f, str): |
| self.assertIn('filename=%r' % f, r) |
| else: |
| self.assertIn('file=%r' % f, r) |
| self.assertIn("mode='r'", r) |
| r = repr(zipfp.getinfo(fname)) |
| self.assertIn('filename=%r' % fname, r) |
| self.assertIn('filemode=', r) |
| self.assertIn('file_size=', r) |
| if self.compression != zipfile.ZIP_STORED: |
| self.assertIn('compress_type=', r) |
| self.assertIn('compress_size=', r) |
| with zipfp.open(fname) as zipopen: |
| r = repr(zipopen) |
| self.assertIn('name=%r' % fname, r) |
| self.assertIn("mode='r'", r) |
| if self.compression != zipfile.ZIP_STORED: |
| self.assertIn('compress_type=', r) |
| self.assertIn('[closed]', repr(zipopen)) |
| self.assertIn('[closed]', repr(zipfp)) |
| |
| def tearDown(self): |
| unlink(TESTFN) |
| unlink(TESTFN2) |
| |
| |
| class StoredTestsWithSourceFile(AbstractTestsWithSourceFile, |
| unittest.TestCase): |
| compression = zipfile.ZIP_STORED |
| test_low_compression = None |
| |
| def zip_test_writestr_permissions(self, f, compression): |
| # Make sure that writestr and open(... mode='w') create files with |
| # mode 0600, when they are passed a name rather than a ZipInfo |
| # instance. |
| |
| self.make_test_archive(f, compression) |
| with zipfile.ZipFile(f, "r") as zipfp: |
| zinfo = zipfp.getinfo('strfile') |
| self.assertEqual(zinfo.external_attr, 0o600 << 16) |
| |
| zinfo2 = zipfp.getinfo('written-open-w') |
| self.assertEqual(zinfo2.external_attr, 0o600 << 16) |
| |
| def test_writestr_permissions(self): |
| for f in get_files(self): |
| self.zip_test_writestr_permissions(f, zipfile.ZIP_STORED) |
| |
| 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"]) |
| |
| def test_append_to_zip_file(self): |
| """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"]) |
| |
| def test_append_to_non_zip_file(self): |
| """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 |
| data = b'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) |
| |
| with open(TESTFN2, 'rb') as f: |
| f.seek(len(data)) |
| with zipfile.ZipFile(f, "r") as zipfp: |
| self.assertEqual(zipfp.namelist(), [TESTFN]) |
| |
| def test_ignores_newline_at_end(self): |
| with zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED) as zipfp: |
| zipfp.write(TESTFN, TESTFN) |
| with open(TESTFN2, 'a') as f: |
| f.write("\r\n\00\00\00") |
| with zipfile.ZipFile(TESTFN2, "r") as zipfp: |
| self.assertIsInstance(zipfp, zipfile.ZipFile) |
| |
| def test_ignores_stuff_appended_past_comments(self): |
| with zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED) as zipfp: |
| zipfp.comment = b"this is a comment" |
| zipfp.write(TESTFN, TESTFN) |
| with open(TESTFN2, 'a') as f: |
| f.write("abcdef\r\n") |
| with zipfile.ZipFile(TESTFN2, "r") as zipfp: |
| self.assertIsInstance(zipfp, zipfile.ZipFile) |
| self.assertEqual(zipfp.comment, b"this is a comment") |
| |
| def test_write_default_name(self): |
| """Check that calling ZipFile.write without arcname specified |
| produces the expected result.""" |
| with zipfile.ZipFile(TESTFN2, "w") as zipfp: |
| zipfp.write(TESTFN) |
| with open(TESTFN, "rb") as f: |
| self.assertEqual(zipfp.read(TESTFN), f.read()) |
| |
| def test_write_to_readonly(self): |
| """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) |
| |
| with zipfile.ZipFile(TESTFN2, mode="r") as zipfp: |
| with self.assertRaises(RuntimeError): |
| zipfp.open(TESTFN, mode='w') |
| |
| def test_add_file_before_1980(self): |
| # Set atime and mtime to 1970-01-01 |
| os.utime(TESTFN, (0, 0)) |
| with zipfile.ZipFile(TESTFN2, "w") as zipfp: |
| self.assertRaises(ValueError, zipfp.write, TESTFN) |
| |
| |
| @requires_zlib |
| class DeflateTestsWithSourceFile(AbstractTestsWithSourceFile, |
| unittest.TestCase): |
| compression = zipfile.ZIP_DEFLATED |
| |
| def test_per_file_compression(self): |
| """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) |
| |
| @requires_bz2 |
| class Bzip2TestsWithSourceFile(AbstractTestsWithSourceFile, |
| unittest.TestCase): |
| compression = zipfile.ZIP_BZIP2 |
| |
| @requires_lzma |
| class LzmaTestsWithSourceFile(AbstractTestsWithSourceFile, |
| unittest.TestCase): |
| compression = zipfile.ZIP_LZMA |
| |
| |
| class AbstractTestZip64InSmallFiles: |
| # These tests test the ZIP64 functionality without using large files, |
| # see test_zipfile64 for proper tests. |
| |
| @classmethod |
| def setUpClass(cls): |
| line_gen = (bytes("Test of zipfile line %d." % i, "ascii") |
| for i in range(0, FIXEDTEST_SIZE)) |
| cls.data = b'\n'.join(line_gen) |
| |
| def setUp(self): |
| self._limit = zipfile.ZIP64_LIMIT |
| self._filecount_limit = zipfile.ZIP_FILECOUNT_LIMIT |
| zipfile.ZIP64_LIMIT = 1000 |
| zipfile.ZIP_FILECOUNT_LIMIT = 9 |
| |
| # Make a source file with some lines |
| with open(TESTFN, "wb") as fp: |
| fp.write(self.data) |
| |
| def zip_test(self, f, compression): |
| # Create the ZIP archive |
| with zipfile.ZipFile(f, "w", compression, allowZip64=True) as zipfp: |
| 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) |
| self.assertEqual(zipfp.read("another.name"), self.data) |
| self.assertEqual(zipfp.read("strfile"), self.data) |
| |
| # Print the ZIP directory |
| fp = io.StringIO() |
| zipfp.printdir(fp) |
| |
| directory = fp.getvalue() |
| lines = directory.splitlines() |
| self.assertEqual(len(lines), 4) # Number of files + header |
| |
| self.assertIn('File Name', lines[0]) |
| self.assertIn('Modified', lines[0]) |
| self.assertIn('Size', lines[0]) |
| |
| 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() |
| self.assertEqual(len(names), 3) |
| self.assertIn(TESTFN, names) |
| self.assertIn("another.name", names) |
| self.assertIn("strfile", names) |
| |
| # Check infolist |
| infos = zipfp.infolist() |
| names = [i.filename for i in infos] |
| self.assertEqual(len(names), 3) |
| self.assertIn(TESTFN, names) |
| self.assertIn("another.name", names) |
| self.assertIn("strfile", names) |
| for i in infos: |
| self.assertEqual(i.file_size, len(self.data)) |
| |
| # check getinfo |
| for nm in (TESTFN, "another.name", "strfile"): |
| info = zipfp.getinfo(nm) |
| self.assertEqual(info.filename, nm) |
| self.assertEqual(info.file_size, len(self.data)) |
| |
| # Check that testzip doesn't raise an exception |
| zipfp.testzip() |
| |
| def test_basic(self): |
| for f in get_files(self): |
| self.zip_test(f, self.compression) |
| |
| def test_too_many_files(self): |
| # This test checks that more than 64k files can be added to an archive, |
| # and that the resulting archive can be read properly by ZipFile |
| zipf = zipfile.ZipFile(TESTFN, "w", self.compression, |
| allowZip64=True) |
| zipf.debug = 100 |
| numfiles = 15 |
| for i in range(numfiles): |
| zipf.writestr("foo%08d" % i, "%d" % (i**3 % 57)) |
| self.assertEqual(len(zipf.namelist()), numfiles) |
| zipf.close() |
| |
| zipf2 = zipfile.ZipFile(TESTFN, "r", self.compression) |
| self.assertEqual(len(zipf2.namelist()), numfiles) |
| for i in range(numfiles): |
| content = zipf2.read("foo%08d" % i).decode('ascii') |
| self.assertEqual(content, "%d" % (i**3 % 57)) |
| zipf2.close() |
| |
| def test_too_many_files_append(self): |
| zipf = zipfile.ZipFile(TESTFN, "w", self.compression, |
| allowZip64=False) |
| zipf.debug = 100 |
| numfiles = 9 |
| for i in range(numfiles): |
| zipf.writestr("foo%08d" % i, "%d" % (i**3 % 57)) |
| self.assertEqual(len(zipf.namelist()), numfiles) |
| with self.assertRaises(zipfile.LargeZipFile): |
| zipf.writestr("foo%08d" % numfiles, b'') |
| self.assertEqual(len(zipf.namelist()), numfiles) |
| zipf.close() |
| |
| zipf = zipfile.ZipFile(TESTFN, "a", self.compression, |
| allowZip64=False) |
| zipf.debug = 100 |
| self.assertEqual(len(zipf.namelist()), numfiles) |
| with self.assertRaises(zipfile.LargeZipFile): |
| zipf.writestr("foo%08d" % numfiles, b'') |
| self.assertEqual(len(zipf.namelist()), numfiles) |
| zipf.close() |
| |
| zipf = zipfile.ZipFile(TESTFN, "a", self.compression, |
| allowZip64=True) |
| zipf.debug = 100 |
| self.assertEqual(len(zipf.namelist()), numfiles) |
| numfiles2 = 15 |
| for i in range(numfiles, numfiles2): |
| zipf.writestr("foo%08d" % i, "%d" % (i**3 % 57)) |
| self.assertEqual(len(zipf.namelist()), numfiles2) |
| zipf.close() |
| |
| zipf2 = zipfile.ZipFile(TESTFN, "r", self.compression) |
| self.assertEqual(len(zipf2.namelist()), numfiles2) |
| for i in range(numfiles2): |
| content = zipf2.read("foo%08d" % i).decode('ascii') |
| self.assertEqual(content, "%d" % (i**3 % 57)) |
| zipf2.close() |
| |
| def tearDown(self): |
| zipfile.ZIP64_LIMIT = self._limit |
| zipfile.ZIP_FILECOUNT_LIMIT = self._filecount_limit |
| unlink(TESTFN) |
| unlink(TESTFN2) |
| |
| |
| class StoredTestZip64InSmallFiles(AbstractTestZip64InSmallFiles, |
| unittest.TestCase): |
| compression = zipfile.ZIP_STORED |
| |
| def large_file_exception_test(self, f, compression): |
| with zipfile.ZipFile(f, "w", compression, allowZip64=False) as zipfp: |
| self.assertRaises(zipfile.LargeZipFile, |
| zipfp.write, TESTFN, "another.name") |
| |
| def large_file_exception_test2(self, f, compression): |
| with zipfile.ZipFile(f, "w", compression, allowZip64=False) as zipfp: |
| self.assertRaises(zipfile.LargeZipFile, |
| zipfp.writestr, "another.name", self.data) |
| |
| def test_large_file_exception(self): |
| for f in get_files(self): |
| self.large_file_exception_test(f, zipfile.ZIP_STORED) |
| self.large_file_exception_test2(f, zipfile.ZIP_STORED) |
| |
| 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"]) |
| |
| @requires_zlib |
| class DeflateTestZip64InSmallFiles(AbstractTestZip64InSmallFiles, |
| unittest.TestCase): |
| compression = zipfile.ZIP_DEFLATED |
| |
| @requires_bz2 |
| class Bzip2TestZip64InSmallFiles(AbstractTestZip64InSmallFiles, |
| unittest.TestCase): |
| compression = zipfile.ZIP_BZIP2 |
| |
| @requires_lzma |
| class LzmaTestZip64InSmallFiles(AbstractTestZip64InSmallFiles, |
| unittest.TestCase): |
| compression = zipfile.ZIP_LZMA |
| |
| |
| class PyZipFileTests(unittest.TestCase): |
| def assertCompiledIn(self, name, namelist): |
| if name + 'o' not in namelist: |
| self.assertIn(name + 'c', namelist) |
| |
| def requiresWriteAccess(self, path): |
| # effective_ids unavailable on windows |
| if not os.access(path, os.W_OK, |
| effective_ids=os.access in os.supports_effective_ids): |
| self.skipTest('requires write access to the installed location') |
| filename = os.path.join(path, 'test_zipfile.try') |
| try: |
| fd = os.open(filename, os.O_WRONLY | os.O_CREAT) |
| os.close(fd) |
| except Exception: |
| self.skipTest('requires write access to the installed location') |
| unlink(filename) |
| |
| def test_write_pyfile(self): |
| self.requiresWriteAccess(os.path.dirname(__file__)) |
| with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp: |
| fn = __file__ |
| if fn.endswith('.pyc'): |
| path_split = fn.split(os.sep) |
| if os.altsep is not None: |
| path_split.extend(fn.split(os.altsep)) |
| if '__pycache__' in path_split: |
| fn = importlib.util.source_from_cache(fn) |
| else: |
| fn = fn[:-1] |
| |
| zipfp.writepy(fn) |
| |
| bn = os.path.basename(fn) |
| self.assertNotIn(bn, zipfp.namelist()) |
| self.assertCompiledIn(bn, zipfp.namelist()) |
| |
| with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp: |
| fn = __file__ |
| if fn.endswith('.pyc'): |
| fn = fn[:-1] |
| |
| zipfp.writepy(fn, "testpackage") |
| |
| bn = "%s/%s" % ("testpackage", os.path.basename(fn)) |
| self.assertNotIn(bn, zipfp.namelist()) |
| self.assertCompiledIn(bn, zipfp.namelist()) |
| |
| def test_write_python_package(self): |
| import email |
| packagedir = os.path.dirname(email.__file__) |
| self.requiresWriteAccess(packagedir) |
| |
| with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp: |
| zipfp.writepy(packagedir) |
| |
| # Check for a couple of modules at different levels of the |
| # hierarchy |
| names = zipfp.namelist() |
| self.assertCompiledIn('email/__init__.py', names) |
| self.assertCompiledIn('email/mime/text.py', names) |
| |
| def test_write_filtered_python_package(self): |
| import test |
| packagedir = os.path.dirname(test.__file__) |
| self.requiresWriteAccess(packagedir) |
| |
| with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp: |
| |
| # first make sure that the test folder gives error messages |
| # (on the badsyntax_... files) |
| with captured_stdout() as reportSIO: |
| zipfp.writepy(packagedir) |
| reportStr = reportSIO.getvalue() |
| self.assertTrue('SyntaxError' in reportStr) |
| |
| # then check that the filter works on the whole package |
| with captured_stdout() as reportSIO: |
| zipfp.writepy(packagedir, filterfunc=lambda whatever: False) |
| reportStr = reportSIO.getvalue() |
| self.assertTrue('SyntaxError' not in reportStr) |
| |
| # then check that the filter works on individual files |
| def filter(path): |
| return not os.path.basename(path).startswith("bad") |
| with captured_stdout() as reportSIO, self.assertWarns(UserWarning): |
| zipfp.writepy(packagedir, filterfunc=filter) |
| reportStr = reportSIO.getvalue() |
| if reportStr: |
| print(reportStr) |
| self.assertTrue('SyntaxError' not in reportStr) |
| |
| def test_write_with_optimization(self): |
| import email |
| packagedir = os.path.dirname(email.__file__) |
| self.requiresWriteAccess(packagedir) |
| optlevel = 1 if __debug__ else 0 |
| ext = '.pyc' |
| |
| with TemporaryFile() as t, \ |
| zipfile.PyZipFile(t, "w", optimize=optlevel) as zipfp: |
| zipfp.writepy(packagedir) |
| |
| names = zipfp.namelist() |
| self.assertIn('email/__init__' + ext, names) |
| self.assertIn('email/mime/text' + ext, names) |
| |
| def test_write_python_directory(self): |
| os.mkdir(TESTFN2) |
| try: |
| with open(os.path.join(TESTFN2, "mod1.py"), "w") as fp: |
| fp.write("print(42)\n") |
| |
| with open(os.path.join(TESTFN2, "mod2.py"), "w") as fp: |
| fp.write("print(42 * 42)\n") |
| |
| with open(os.path.join(TESTFN2, "mod2.txt"), "w") as fp: |
| fp.write("bla bla bla\n") |
| |
| with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp: |
| zipfp.writepy(TESTFN2) |
| |
| names = zipfp.namelist() |
| self.assertCompiledIn('mod1.py', names) |
| self.assertCompiledIn('mod2.py', names) |
| self.assertNotIn('mod2.txt', names) |
| |
| finally: |
| rmtree(TESTFN2) |
| |
| def test_write_python_directory_filtered(self): |
| os.mkdir(TESTFN2) |
| try: |
| with open(os.path.join(TESTFN2, "mod1.py"), "w") as fp: |
| fp.write("print(42)\n") |
| |
| with open(os.path.join(TESTFN2, "mod2.py"), "w") as fp: |
| fp.write("print(42 * 42)\n") |
| |
| with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp: |
| zipfp.writepy(TESTFN2, filterfunc=lambda fn: |
| not fn.endswith('mod2.py')) |
| |
| names = zipfp.namelist() |
| self.assertCompiledIn('mod1.py', names) |
| self.assertNotIn('mod2.py', names) |
| |
| finally: |
| rmtree(TESTFN2) |
| |
| def test_write_non_pyfile(self): |
| with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp: |
| with open(TESTFN, 'w') as f: |
| f.write('most definitely not a python file') |
| self.assertRaises(RuntimeError, zipfp.writepy, TESTFN) |
| unlink(TESTFN) |
| |
| def test_write_pyfile_bad_syntax(self): |
| os.mkdir(TESTFN2) |
| try: |
| with open(os.path.join(TESTFN2, "mod1.py"), "w") as fp: |
| fp.write("Bad syntax in python file\n") |
| |
| with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp: |
| # syntax errors are printed to stdout |
| with captured_stdout() as s: |
| zipfp.writepy(os.path.join(TESTFN2, "mod1.py")) |
| |
| self.assertIn("SyntaxError", s.getvalue()) |
| |
| # as it will not have compiled the python file, it will |
| # include the .py file not .pyc |
| names = zipfp.namelist() |
| self.assertIn('mod1.py', names) |
| self.assertNotIn('mod1.pyc', names) |
| |
| finally: |
| rmtree(TESTFN2) |
| |
| |
| class ExtractTests(unittest.TestCase): |
| 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 |
| correctfile = os.path.join(os.getcwd(), fpath) |
| correctfile = os.path.normpath(correctfile) |
| |
| self.assertEqual(writtenfile, correctfile) |
| |
| # make sure correct data is in correct file |
| with open(writtenfile, "rb") as f: |
| self.assertEqual(fdata.encode(), f.read()) |
| |
| unlink(writtenfile) |
| |
| # remove the test file subdirectories |
| rmtree(os.path.join(os.getcwd(), 'ziptest2dir')) |
| |
| 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: |
| outfile = os.path.join(os.getcwd(), fpath) |
| |
| with open(outfile, "rb") as f: |
| self.assertEqual(fdata.encode(), f.read()) |
| |
| unlink(outfile) |
| |
| # remove the test file subdirectories |
| rmtree(os.path.join(os.getcwd(), 'ziptest2dir')) |
| |
| def check_file(self, filename, content): |
| self.assertTrue(os.path.isfile(filename)) |
| with open(filename, 'rb') as f: |
| self.assertEqual(f.read(), content) |
| |
| def test_sanitize_windows_name(self): |
| san = zipfile.ZipFile._sanitize_windows_name |
| # Passing pathsep in allows this test to work regardless of platform. |
| self.assertEqual(san(r',,?,C:,foo,bar/z', ','), r'_,C_,foo,bar/z') |
| self.assertEqual(san(r'a\b,c<d>e|f"g?h*i', ','), r'a\b,c_d_e_f_g_h_i') |
| self.assertEqual(san('../../foo../../ba..r', '/'), r'foo/ba..r') |
| |
| def test_extract_hackers_arcnames_common_cases(self): |
| common_hacknames = [ |
| ('../foo/bar', 'foo/bar'), |
| ('foo/../bar', 'foo/bar'), |
| ('foo/../../bar', 'foo/bar'), |
| ('foo/bar/..', 'foo/bar'), |
| ('./../foo/bar', 'foo/bar'), |
| ('/foo/bar', 'foo/bar'), |
| ('/foo/../bar', 'foo/bar'), |
| ('/foo/../../bar', 'foo/bar'), |
| ] |
| self._test_extract_hackers_arcnames(common_hacknames) |
| |
| @unittest.skipIf(os.path.sep != '\\', 'Requires \\ as path separator.') |
| def test_extract_hackers_arcnames_windows_only(self): |
| """Test combination of path fixing and windows name sanitization.""" |
| windows_hacknames = [ |
| (r'..\foo\bar', 'foo/bar'), |
| (r'..\/foo\/bar', 'foo/bar'), |
| (r'foo/\..\/bar', 'foo/bar'), |
| (r'foo\/../\bar', 'foo/bar'), |
| (r'C:foo/bar', 'foo/bar'), |
| (r'C:/foo/bar', 'foo/bar'), |
| (r'C://foo/bar', 'foo/bar'), |
| (r'C:\foo\bar', 'foo/bar'), |
| (r'//conky/mountpoint/foo/bar', 'foo/bar'), |
| (r'\\conky\mountpoint\foo\bar', 'foo/bar'), |
| (r'///conky/mountpoint/foo/bar', 'conky/mountpoint/foo/bar'), |
| (r'\\\conky\mountpoint\foo\bar', 'conky/mountpoint/foo/bar'), |
| (r'//conky//mountpoint/foo/bar', 'conky/mountpoint/foo/bar'), |
| (r'\\conky\\mountpoint\foo\bar', 'conky/mountpoint/foo/bar'), |
| (r'//?/C:/foo/bar', 'foo/bar'), |
| (r'\\?\C:\foo\bar', 'foo/bar'), |
| (r'C:/../C:/foo/bar', 'C_/foo/bar'), |
| (r'a:b\c<d>e|f"g?h*i', 'b/c_d_e_f_g_h_i'), |
| ('../../foo../../ba..r', 'foo/ba..r'), |
| ] |
| self._test_extract_hackers_arcnames(windows_hacknames) |
| |
| @unittest.skipIf(os.path.sep != '/', r'Requires / as path separator.') |
| def test_extract_hackers_arcnames_posix_only(self): |
| posix_hacknames = [ |
| ('//foo/bar', 'foo/bar'), |
| ('../../foo../../ba..r', 'foo../ba..r'), |
| (r'foo/..\bar', r'foo/..\bar'), |
| ] |
| self._test_extract_hackers_arcnames(posix_hacknames) |
| |
| def _test_extract_hackers_arcnames(self, hacknames): |
| for arcname, fixedname in hacknames: |
| content = b'foobar' + arcname.encode() |
| with zipfile.ZipFile(TESTFN2, 'w', zipfile.ZIP_STORED) as zipfp: |
| zinfo = zipfile.ZipInfo() |
| # preserve backslashes |
| zinfo.filename = arcname |
| zinfo.external_attr = 0o600 << 16 |
| zipfp.writestr(zinfo, content) |
| |
| arcname = arcname.replace(os.sep, "/") |
| targetpath = os.path.join('target', 'subdir', 'subsub') |
| correctfile = os.path.join(targetpath, *fixedname.split('/')) |
| |
| with zipfile.ZipFile(TESTFN2, 'r') as zipfp: |
| writtenfile = zipfp.extract(arcname, targetpath) |
| self.assertEqual(writtenfile, correctfile, |
| msg='extract %r: %r != %r' % |
| (arcname, writtenfile, correctfile)) |
| self.check_file(correctfile, content) |
| rmtree('target') |
| |
| with zipfile.ZipFile(TESTFN2, 'r') as zipfp: |
| zipfp.extractall(targetpath) |
| self.check_file(correctfile, content) |
| rmtree('target') |
| |
| correctfile = os.path.join(os.getcwd(), *fixedname.split('/')) |
| |
| with zipfile.ZipFile(TESTFN2, 'r') as zipfp: |
| writtenfile = zipfp.extract(arcname) |
| self.assertEqual(writtenfile, correctfile, |
| msg="extract %r" % arcname) |
| self.check_file(correctfile, content) |
| rmtree(fixedname.split('/')[0]) |
| |
| with zipfile.ZipFile(TESTFN2, 'r') as zipfp: |
| zipfp.extractall() |
| self.check_file(correctfile, content) |
| rmtree(fixedname.split('/')[0]) |
| |
| unlink(TESTFN2) |
| |
| |
| class OtherTests(unittest.TestCase): |
| 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") |
| with self.assertWarns(UserWarning): |
| zipfp.writestr("name", "bar") |
| self.assertEqual(zipfp.namelist(), ["name"] * 2) |
| |
| with zipfile.ZipFile(TESTFN2, "r") as zipfp: |
| infos = zipfp.infolist() |
| data = b"" |
| for info in infos: |
| with zipfp.open(info) as zipopen: |
| data += zipopen.read() |
| self.assertIn(data, {b"foobar", b"barfoo"}) |
| data = b"" |
| for info in infos: |
| data += zipfp.read(info) |
| self.assertIn(data, {b"foobar", b"barfoo"}) |
| |
| def test_writestr_extended_local_header_issue1202(self): |
| with zipfile.ZipFile(TESTFN2, 'w') as orig_zip: |
| for data in 'abcdefghijklmnop': |
| zinfo = zipfile.ZipInfo(data) |
| zinfo.flag_bits |= 0x08 # Include an extended local header. |
| orig_zip.writestr(zinfo, data) |
| |
| 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.assertIsNotNone(zipfp.fp, 'zipfp is not open') |
| self.assertIsNone(zipfp.fp, 'zipfp is not closed') |
| |
| with zipfile.ZipFile(TESTFN2, "r") as zipfp: |
| self.assertIsNotNone(zipfp.fp, 'zipfp is not open') |
| self.assertIsNone(zipfp.fp, '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.assertIsNone(zipfp2.fp, 'zipfp is not closed') |
| |
| def test_unsupported_version(self): |
| # File has an extract_version of 120 |
| data = (b'PK\x03\x04x\x00\x00\x00\x00\x00!p\xa1@\x00\x00\x00\x00\x00\x00' |
| b'\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00xPK\x01\x02x\x03x\x00\x00\x00\x00' |
| b'\x00!p\xa1@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00' |
| b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x01\x00\x00\x00\x00xPK\x05\x06' |
| b'\x00\x00\x00\x00\x01\x00\x01\x00/\x00\x00\x00\x1f\x00\x00\x00\x00\x00') |
| |
| self.assertRaises(NotImplementedError, zipfile.ZipFile, |
| io.BytesIO(data), 'r') |
| |
| @requires_zlib |
| def test_read_unicode_filenames(self): |
| # bug #10801 |
| fname = findfile('zip_cp437_header.zip') |
| with zipfile.ZipFile(fname) as zipfp: |
| for name in zipfp.namelist(): |
| zipfp.open(name).close() |
| |
| def test_write_unicode_filenames(self): |
| with zipfile.ZipFile(TESTFN, "w") as zf: |
| zf.writestr("foo.txt", "Test for unicode filename") |
| zf.writestr("\xf6.txt", "Test for unicode filename") |
| self.assertIsInstance(zf.infolist()[0].filename, str) |
| |
| with zipfile.ZipFile(TESTFN, "r") as zf: |
| self.assertEqual(zf.filelist[0].filename, "foo.txt") |
| self.assertEqual(zf.filelist[1].filename, "\xf6.txt") |
| |
| def test_exclusive_create_zip_file(self): |
| """Test exclusive creating a new zipfile.""" |
| unlink(TESTFN2) |
| filename = 'testfile.txt' |
| content = b'hello, world. this is some content.' |
| with zipfile.ZipFile(TESTFN2, "x", zipfile.ZIP_STORED) as zipfp: |
| zipfp.writestr(filename, content) |
| with self.assertRaises(FileExistsError): |
| zipfile.ZipFile(TESTFN2, "x", zipfile.ZIP_STORED) |
| with zipfile.ZipFile(TESTFN2, "r") as zipfp: |
| self.assertEqual(zipfp.namelist(), [filename]) |
| self.assertEqual(zipfp.read(filename), content) |
| |
| def test_create_non_existent_file_for_append(self): |
| if os.path.exists(TESTFN): |
| os.unlink(TESTFN) |
| |
| filename = 'testfile.txt' |
| content = b'hello, world. this is some content.' |
| |
| try: |
| with zipfile.ZipFile(TESTFN, 'a') as zf: |
| zf.writestr(filename, content) |
| except OSError: |
| self.fail('Could not append data to a non-existent zip file.') |
| |
| self.assertTrue(os.path.exists(TESTFN)) |
| |
| with zipfile.ZipFile(TESTFN, 'r') as zf: |
| self.assertEqual(zf.read(filename), content) |
| |
| def test_close_erroneous_file(self): |
| # This test checks that the ZipFile constructor closes the file object |
| # 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. |
| # |
| 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 |
| |
| def test_is_zip_erroneous_file(self): |
| """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") |
| self.assertFalse(zipfile.is_zipfile(TESTFN)) |
| # - passing a file object |
| with open(TESTFN, "rb") as fp: |
| self.assertFalse(zipfile.is_zipfile(fp)) |
| # - passing a file-like object |
| fp = io.BytesIO() |
| fp.write(b"this is not a legal zip file\n") |
| self.assertFalse(zipfile.is_zipfile(fp)) |
| fp.seek(0, 0) |
| self.assertFalse(zipfile.is_zipfile(fp)) |
| |
| def test_damaged_zipfile(self): |
| """Check that zipfiles with missing bytes at the end raise BadZipFile.""" |
| # - Create a valid zip file |
| fp = io.BytesIO() |
| with zipfile.ZipFile(fp, mode="w") as zipf: |
| zipf.writestr("foo.txt", b"O, for a Muse of Fire!") |
| zipfiledata = fp.getvalue() |
| |
| # - Now create copies of it missing the last N bytes and make sure |
| # a BadZipFile exception is raised when we try to open it |
| for N in range(len(zipfiledata)): |
| fp = io.BytesIO(zipfiledata[:N]) |
| self.assertRaises(zipfile.BadZipFile, zipfile.ZipFile, fp) |
| |
| def test_is_zip_valid_file(self): |
| """Check that is_zipfile() correctly identifies zip files.""" |
| # - passing a filename |
| with zipfile.ZipFile(TESTFN, mode="w") as zipf: |
| zipf.writestr("foo.txt", b"O, for a Muse of Fire!") |
| |
| self.assertTrue(zipfile.is_zipfile(TESTFN)) |
| # - passing a file object |
| with open(TESTFN, "rb") as fp: |
| self.assertTrue(zipfile.is_zipfile(fp)) |
| fp.seek(0, 0) |
| zip_contents = fp.read() |
| # - passing a file-like object |
| fp = io.BytesIO() |
| fp.write(zip_contents) |
| self.assertTrue(zipfile.is_zipfile(fp)) |
| fp.seek(0, 0) |
| self.assertTrue(zipfile.is_zipfile(fp)) |
| |
| def test_non_existent_file_raises_OSError(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(OSError, zipfile.ZipFile, TESTFN) |
| |
| def test_empty_file_raises_BadZipFile(self): |
| f = open(TESTFN, 'w') |
| f.close() |
| self.assertRaises(zipfile.BadZipFile, zipfile.ZipFile, TESTFN) |
| |
| with open(TESTFN, 'w') as fp: |
| fp.write("short file") |
| self.assertRaises(zipfile.BadZipFile, zipfile.ZipFile, TESTFN) |
| |
| def test_closed_zip_raises_RuntimeError(self): |
| """Verify that testzip() doesn't swallow inappropriate exceptions.""" |
| data = io.BytesIO() |
| 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 raise |
| # 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") |
| with open(TESTFN, 'w') as f: |
| f.write('zipfile test data') |
| self.assertRaises(RuntimeError, zipf.write, TESTFN) |
| |
| def test_bad_constructor_mode(self): |
| """Check that bad modes passed to ZipFile constructor are caught.""" |
| self.assertRaises(RuntimeError, zipfile.ZipFile, TESTFN, "q") |
| |
| def test_bad_open_mode(self): |
| """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") |
| # universal newlines support is removed |
| self.assertRaises(RuntimeError, zipf.open, "foo.txt", "U") |
| self.assertRaises(RuntimeError, zipf.open, "foo.txt", "rU") |
| |
| def test_read0(self): |
| """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 |
| with zipf.open("foo.txt") as f: |
| for i in range(FIXEDTEST_SIZE): |
| self.assertEqual(f.read(0), b'') |
| |
| self.assertEqual(f.read(), b"O, for a Muse of Fire!") |
| |
| def test_open_non_existent_item(self): |
| """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") |
| |
| def test_bad_compression_mode(self): |
| """Check that bad compression methods passed to ZipFile.open are |
| caught.""" |
| self.assertRaises(RuntimeError, zipfile.ZipFile, TESTFN, "w", -1) |
| |
| def test_unsupported_compression(self): |
| # data is declared as shrunk, but actually deflated |
| data = (b'PK\x03\x04.\x00\x00\x00\x01\x00\xe4C\xa1@\x00\x00\x00' |
| b'\x00\x02\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00x\x03\x00PK\x01' |
| b'\x02.\x03.\x00\x00\x00\x01\x00\xe4C\xa1@\x00\x00\x00\x00\x02\x00\x00' |
| b'\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' |
| b'\x80\x01\x00\x00\x00\x00xPK\x05\x06\x00\x00\x00\x00\x01\x00\x01\x00' |
| b'/\x00\x00\x00!\x00\x00\x00\x00\x00') |
| with zipfile.ZipFile(io.BytesIO(data), 'r') as zipf: |
| self.assertRaises(NotImplementedError, zipf.open, 'x') |
| |
| def test_null_byte_in_filename(self): |
| """Check that a filename containing a null byte is properly |
| terminated.""" |
| with zipfile.ZipFile(TESTFN, mode="w") as zipf: |
| zipf.writestr("foo.txt\x00qqq", b"O, for a Muse of Fire!") |
| self.assertEqual(zipf.namelist(), ['foo.txt']) |
| |
| def test_struct_sizes(self): |
| """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) |
| |
| def test_comments(self): |
| """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, b'') |
| zipf.writestr("foo.txt", "O, for a Muse of Fire!") |
| |
| with zipfile.ZipFile(TESTFN, mode="r") as zipfr: |
| self.assertEqual(zipfr.comment, b'') |
| |
| # check a simple short comment |
| comment = b'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 zipfr: |
| self.assertEqual(zipf.comment, comment) |
| |
| # check a comment of max length |
| comment2 = ''.join(['%d' % (i**3 % 10) for i in range((1 << 16)-1)]) |
| comment2 = comment2.encode("ascii") |
| 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 zipfr: |
| self.assertEqual(zipfr.comment, comment2) |
| |
| # check a comment that is too long is truncated |
| with zipfile.ZipFile(TESTFN, mode="w") as zipf: |
| with self.assertWarns(UserWarning): |
| zipf.comment = comment2 + b'oops' |
| zipf.writestr("foo.txt", "O, for a Muse of Fire!") |
| with zipfile.ZipFile(TESTFN, mode="r") as zipfr: |
| self.assertEqual(zipfr.comment, comment2) |
| |
| # check that comments are correctly modified in append mode |
| with zipfile.ZipFile(TESTFN,mode="w") as zipf: |
| zipf.comment = b"original comment" |
| zipf.writestr("foo.txt", "O, for a Muse of Fire!") |
| with zipfile.ZipFile(TESTFN,mode="a") as zipf: |
| zipf.comment = b"an updated comment" |
| with zipfile.ZipFile(TESTFN,mode="r") as zipf: |
| self.assertEqual(zipf.comment, b"an updated comment") |
| |
| # check that comments are correctly shortened in append mode |
| with zipfile.ZipFile(TESTFN,mode="w") as zipf: |
| zipf.comment = b"original comment that's longer" |
| zipf.writestr("foo.txt", "O, for a Muse of Fire!") |
| with zipfile.ZipFile(TESTFN,mode="a") as zipf: |
| zipf.comment = b"shorter comment" |
| with zipfile.ZipFile(TESTFN,mode="r") as zipf: |
| self.assertEqual(zipf.comment, b"shorter comment") |
| |
| def test_unicode_comment(self): |
| with zipfile.ZipFile(TESTFN, "w", zipfile.ZIP_STORED) as zipf: |
| zipf.writestr("foo.txt", "O, for a Muse of Fire!") |
| with self.assertRaises(TypeError): |
| zipf.comment = "this is an error" |
| |
| def test_change_comment_in_empty_archive(self): |
| with zipfile.ZipFile(TESTFN, "a", zipfile.ZIP_STORED) as zipf: |
| self.assertFalse(zipf.filelist) |
| zipf.comment = b"this is a comment" |
| with zipfile.ZipFile(TESTFN, "r") as zipf: |
| self.assertEqual(zipf.comment, b"this is a comment") |
| |
| def test_change_comment_in_nonempty_archive(self): |
| with zipfile.ZipFile(TESTFN, "w", zipfile.ZIP_STORED) as zipf: |
| zipf.writestr("foo.txt", "O, for a Muse of Fire!") |
| with zipfile.ZipFile(TESTFN, "a", zipfile.ZIP_STORED) as zipf: |
| self.assertTrue(zipf.filelist) |
| zipf.comment = b"this is a comment" |
| with zipfile.ZipFile(TESTFN, "r") as zipf: |
| self.assertEqual(zipf.comment, b"this is a comment") |
| |
| def test_empty_zipfile(self): |
| # Check that creating a file in 'w' or 'a' mode and closing without |
| # adding any files to the archives creates a valid empty ZIP file |
| zipf = zipfile.ZipFile(TESTFN, mode="w") |
| zipf.close() |
| try: |
| zipf = zipfile.ZipFile(TESTFN, mode="r") |
| except zipfile.BadZipFile: |
| self.fail("Unable to create empty ZIP file in 'w' mode") |
| |
| zipf = zipfile.ZipFile(TESTFN, mode="a") |
| zipf.close() |
| try: |
| zipf = zipfile.ZipFile(TESTFN, mode="r") |
| except: |
| self.fail("Unable to create empty ZIP file in 'a' mode") |
| |
| def test_open_empty_file(self): |
| # Issue 1710703: Check that opening a file with less than 22 bytes |
| # raises a BadZipFile exception (rather than the previously unhelpful |
| # OSError) |
| f = open(TESTFN, 'w') |
| f.close() |
| self.assertRaises(zipfile.BadZipFile, zipfile.ZipFile, TESTFN, 'r') |
| |
| def test_create_zipinfo_before_1980(self): |
| self.assertRaises(ValueError, |
| zipfile.ZipInfo, 'seventies', (1979, 1, 1, 0, 0, 0)) |
| |
| def test_zipfile_with_short_extra_field(self): |
| """If an extra field in the header is less than 4 bytes, skip it.""" |
| zipdata = ( |
| b'PK\x03\x04\x14\x00\x00\x00\x00\x00\x93\x9b\xad@\x8b\x9e' |
| b'\xd9\xd3\x01\x00\x00\x00\x01\x00\x00\x00\x03\x00\x03\x00ab' |
| b'c\x00\x00\x00APK\x01\x02\x14\x03\x14\x00\x00\x00\x00' |
| b'\x00\x93\x9b\xad@\x8b\x9e\xd9\xd3\x01\x00\x00\x00\x01\x00\x00' |
| b'\x00\x03\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa4\x81\x00' |
| b'\x00\x00\x00abc\x00\x00PK\x05\x06\x00\x00\x00\x00' |
| b'\x01\x00\x01\x003\x00\x00\x00%\x00\x00\x00\x00\x00' |
| ) |
| with zipfile.ZipFile(io.BytesIO(zipdata), 'r') as zipf: |
| # testzip returns the name of the first corrupt file, or None |
| self.assertIsNone(zipf.testzip()) |
| |
| def test_open_conflicting_handles(self): |
| # It's only possible to open one writable file handle at a time |
| msg1 = b"It's fun to charter an accountant!" |
| msg2 = b"And sail the wide accountant sea" |
| msg3 = b"To find, explore the funds offshore" |
| with zipfile.ZipFile(TESTFN2, 'w', zipfile.ZIP_STORED) as zipf: |
| with zipf.open('foo', mode='w') as w2: |
| w2.write(msg1) |
| with zipf.open('bar', mode='w') as w1: |
| with self.assertRaises(RuntimeError): |
| zipf.open('handle', mode='w') |
| with self.assertRaises(RuntimeError): |
| zipf.open('foo', mode='r') |
| with self.assertRaises(RuntimeError): |
| zipf.writestr('str', 'abcde') |
| with self.assertRaises(RuntimeError): |
| zipf.write(__file__, 'file') |
| with self.assertRaises(RuntimeError): |
| zipf.close() |
| w1.write(msg2) |
| with zipf.open('baz', mode='w') as w2: |
| w2.write(msg3) |
| |
| with zipfile.ZipFile(TESTFN2, 'r') as zipf: |
| self.assertEqual(zipf.read('foo'), msg1) |
| self.assertEqual(zipf.read('bar'), msg2) |
| self.assertEqual(zipf.read('baz'), msg3) |
| self.assertEqual(zipf.namelist(), ['foo', 'bar', 'baz']) |
| |
| def tearDown(self): |
| unlink(TESTFN) |
| unlink(TESTFN2) |
| |
| |
| class AbstractBadCrcTests: |
| def test_testzip_with_bad_crc(self): |
| """Tests that files with bad CRCs return their name from testzip.""" |
| zipdata = self.zip_with_bad_crc |
| |
| with zipfile.ZipFile(io.BytesIO(zipdata), mode="r") as zipf: |
| # testzip returns the name of the first corrupt file, or None |
| self.assertEqual('afile', zipf.testzip()) |
| |
| def test_read_with_bad_crc(self): |
| """Tests that files with bad CRCs raise a BadZipFile exception when read.""" |
| zipdata = self.zip_with_bad_crc |
| |
| # Using ZipFile.read() |
| with zipfile.ZipFile(io.BytesIO(zipdata), mode="r") as zipf: |
| self.assertRaises(zipfile.BadZipFile, zipf.read, 'afile') |
| |
| # Using ZipExtFile.read() |
| with zipfile.ZipFile(io.BytesIO(zipdata), mode="r") as zipf: |
| with zipf.open('afile', 'r') as corrupt_file: |
| self.assertRaises(zipfile.BadZipFile, corrupt_file.read) |
| |
| # Same with small reads (in order to exercise the buffering logic) |
| with zipfile.ZipFile(io.BytesIO(zipdata), mode="r") as zipf: |
| with zipf.open('afile', 'r') as corrupt_file: |
| corrupt_file.MIN_READ_SIZE = 2 |
| with self.assertRaises(zipfile.BadZipFile): |
| while corrupt_file.read(2): |
| pass |
| |
| |
| class StoredBadCrcTests(AbstractBadCrcTests, unittest.TestCase): |
| compression = zipfile.ZIP_STORED |
| zip_with_bad_crc = ( |
| b'PK\003\004\024\0\0\0\0\0 \213\212;:r' |
| b'\253\377\f\0\0\0\f\0\0\0\005\0\0\000af' |
| b'ilehello,AworldP' |
| b'K\001\002\024\003\024\0\0\0\0\0 \213\212;:' |
| b'r\253\377\f\0\0\0\f\0\0\0\005\0\0\0\0' |
| b'\0\0\0\0\0\0\0\200\001\0\0\0\000afi' |
| b'lePK\005\006\0\0\0\0\001\0\001\0003\000' |
| b'\0\0/\0\0\0\0\0') |
| |
| @requires_zlib |
| class DeflateBadCrcTests(AbstractBadCrcTests, unittest.TestCase): |
| compression = zipfile.ZIP_DEFLATED |
| zip_with_bad_crc = ( |
| b'PK\x03\x04\x14\x00\x00\x00\x08\x00n}\x0c=FA' |
| b'KE\x10\x00\x00\x00n\x00\x00\x00\x05\x00\x00\x00af' |
| b'ile\xcbH\xcd\xc9\xc9W(\xcf/\xcaI\xc9\xa0' |
| b'=\x13\x00PK\x01\x02\x14\x03\x14\x00\x00\x00\x08\x00n' |
| b'}\x0c=FAKE\x10\x00\x00\x00n\x00\x00\x00\x05' |
| b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x01\x00\x00\x00' |
| b'\x00afilePK\x05\x06\x00\x00\x00\x00\x01\x00' |
| b'\x01\x003\x00\x00\x003\x00\x00\x00\x00\x00') |
| |
| @requires_bz2 |
| class Bzip2BadCrcTests(AbstractBadCrcTests, unittest.TestCase): |
| compression = zipfile.ZIP_BZIP2 |
| zip_with_bad_crc = ( |
| b'PK\x03\x04\x14\x03\x00\x00\x0c\x00nu\x0c=FA' |
| b'KE8\x00\x00\x00n\x00\x00\x00\x05\x00\x00\x00af' |
| b'ileBZh91AY&SY\xd4\xa8\xca' |
| b'\x7f\x00\x00\x0f\x11\x80@\x00\x06D\x90\x80 \x00 \xa5' |
| b'P\xd9!\x03\x03\x13\x13\x13\x89\xa9\xa9\xc2u5:\x9f' |
| b'\x8b\xb9"\x9c(HjTe?\x80PK\x01\x02\x14' |
| b'\x03\x14\x03\x00\x00\x0c\x00nu\x0c=FAKE8' |
| b'\x00\x00\x00n\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00' |
| b'\x00 \x80\x80\x81\x00\x00\x00\x00afilePK' |
| b'\x05\x06\x00\x00\x00\x00\x01\x00\x01\x003\x00\x00\x00[\x00' |
| b'\x00\x00\x00\x00') |
| |
| @requires_lzma |
| class LzmaBadCrcTests(AbstractBadCrcTests, unittest.TestCase): |
| compression = zipfile.ZIP_LZMA |
| zip_with_bad_crc = ( |
| b'PK\x03\x04\x14\x03\x00\x00\x0e\x00nu\x0c=FA' |
| b'KE\x1b\x00\x00\x00n\x00\x00\x00\x05\x00\x00\x00af' |
| b'ile\t\x04\x05\x00]\x00\x00\x00\x04\x004\x19I' |
| b'\xee\x8d\xe9\x17\x89:3`\tq!.8\x00PK' |
| b'\x01\x02\x14\x03\x14\x03\x00\x00\x0e\x00nu\x0c=FA' |
| b'KE\x1b\x00\x00\x00n\x00\x00\x00\x05\x00\x00\x00\x00\x00' |
| b'\x00\x00\x00\x00 \x80\x80\x81\x00\x00\x00\x00afil' |
| b'ePK\x05\x06\x00\x00\x00\x00\x01\x00\x01\x003\x00\x00' |
| b'\x00>\x00\x00\x00\x00\x00') |
| |
| |
| class DecryptionTests(unittest.TestCase): |
| """Check that ZIP decryption works. Since the library does not |
| support encryption at the moment, we use a pre-generated encrypted |
| ZIP file.""" |
| |
| data = ( |
| b'PK\x03\x04\x14\x00\x01\x00\x00\x00n\x92i.#y\xef?&\x00\x00\x00\x1a\x00' |
| b'\x00\x00\x08\x00\x00\x00test.txt\xfa\x10\xa0gly|\xfa-\xc5\xc0=\xf9y' |
| b'\x18\xe0\xa8r\xb3Z}Lg\xbc\xae\xf9|\x9b\x19\xe4\x8b\xba\xbb)\x8c\xb0\xdbl' |
| b'PK\x01\x02\x14\x00\x14\x00\x01\x00\x00\x00n\x92i.#y\xef?&\x00\x00\x00' |
| b'\x1a\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x01\x00 \x00\xb6\x81' |
| b'\x00\x00\x00\x00test.txtPK\x05\x06\x00\x00\x00\x00\x01\x00\x01\x006\x00' |
| b'\x00\x00L\x00\x00\x00\x00\x00' ) |
| data2 = ( |
| b'PK\x03\x04\x14\x00\t\x00\x08\x00\xcf}38xu\xaa\xb2\x14\x00\x00\x00\x00\x02' |
| b'\x00\x00\x04\x00\x15\x00zeroUT\t\x00\x03\xd6\x8b\x92G\xda\x8b\x92GUx\x04' |
| b'\x00\xe8\x03\xe8\x03\xc7<M\xb5a\xceX\xa3Y&\x8b{oE\xd7\x9d\x8c\x98\x02\xc0' |
| b'PK\x07\x08xu\xaa\xb2\x14\x00\x00\x00\x00\x02\x00\x00PK\x01\x02\x17\x03' |
| b'\x14\x00\t\x00\x08\x00\xcf}38xu\xaa\xb2\x14\x00\x00\x00\x00\x02\x00\x00' |
| b'\x04\x00\r\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa4\x81\x00\x00\x00\x00ze' |
| b'roUT\x05\x00\x03\xd6\x8b\x92GUx\x00\x00PK\x05\x06\x00\x00\x00\x00\x01' |
| b'\x00\x01\x00?\x00\x00\x00[\x00\x00\x00\x00\x00' ) |
| |
| plain = b'zipfile.py encryption test' |
| plain2 = b'\x00'*512 |
| |
| def setUp(self): |
| with open(TESTFN, "wb") as fp: |
| fp.write(self.data) |
| self.zip = zipfile.ZipFile(TESTFN, "r") |
| 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) |
| |
| 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") |
| |
| def test_bad_password(self): |
| self.zip.setpassword(b"perl") |
| self.assertRaises(RuntimeError, self.zip.read, "test.txt") |
| self.zip2.setpassword(b"perl") |
| self.assertRaises(RuntimeError, self.zip2.read, "zero") |
| |
| @requires_zlib |
| def test_good_password(self): |
| self.zip.setpassword(b"python") |
| self.assertEqual(self.zip.read("test.txt"), self.plain) |
| self.zip2.setpassword(b"12345") |
| self.assertEqual(self.zip2.read("zero"), self.plain2) |
| |
| def test_unicode_password(self): |
| self.assertRaises(TypeError, self.zip.setpassword, "unicode") |
| self.assertRaises(TypeError, self.zip.read, "test.txt", "python") |
| self.assertRaises(TypeError, self.zip.open, "test.txt", pwd="python") |
| self.assertRaises(TypeError, self.zip.extract, "test.txt", pwd="python") |
| |
| class AbstractTestsWithRandomBinaryFiles: |
| @classmethod |
| def setUpClass(cls): |
| datacount = randint(16, 64)*1024 + randint(1, 1024) |
| cls.data = b''.join(struct.pack('<f', random()*randint(-1000, 1000)) |
| for i in range(datacount)) |
| |
| def setUp(self): |
| # Make a source file with some lines |
| with open(TESTFN, "wb") as fp: |
| fp.write(self.data) |
| |
| def tearDown(self): |
| unlink(TESTFN) |
| unlink(TESTFN2) |
| |
| def make_test_archive(self, f, compression): |
| # Create the ZIP archive |
| with zipfile.ZipFile(f, "w", compression) as zipfp: |
| zipfp.write(TESTFN, "another.name") |
| zipfp.write(TESTFN, TESTFN) |
| |
| 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) |
| self.assertEqual(zipfp.read("another.name"), self.data) |
| |
| def test_read(self): |
| for f in get_files(self): |
| self.zip_test(f, self.compression) |
| |
| 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 = [] |
| with zipfp.open(TESTFN) as zipopen1: |
| while True: |
| read_data = zipopen1.read(256) |
| if not read_data: |
| break |
| zipdata1.append(read_data) |
| |
| zipdata2 = [] |
| with zipfp.open("another.name") as zipopen2: |
| while True: |
| read_data = zipopen2.read(256) |
| if not read_data: |
| break |
| zipdata2.append(read_data) |
| |
| testdata1 = b''.join(zipdata1) |
| self.assertEqual(len(testdata1), len(self.data)) |
| self.assertEqual(testdata1, self.data) |
| |
| testdata2 = b''.join(zipdata2) |
| self.assertEqual(len(testdata2), len(self.data)) |
| self.assertEqual(testdata2, self.data) |
| |
| def test_open(self): |
| for f in get_files(self): |
| self.zip_open_test(f, self.compression) |
| |
| 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 = [] |
| with zipfp.open(TESTFN) as zipopen1: |
| while True: |
| read_data = zipopen1.read(randint(1, 1024)) |
| if not read_data: |
| break |
| zipdata1.append(read_data) |
| |
| testdata = b''.join(zipdata1) |
| self.assertEqual(len(testdata), len(self.data)) |
| self.assertEqual(testdata, self.data) |
| |
| def test_random_open(self): |
| for f in get_files(self): |
| self.zip_random_open_test(f, self.compression) |
| |
| |
| class StoredTestsWithRandomBinaryFiles(AbstractTestsWithRandomBinaryFiles, |
| unittest.TestCase): |
| compression = zipfile.ZIP_STORED |
| |
| @requires_zlib |
| class DeflateTestsWithRandomBinaryFiles(AbstractTestsWithRandomBinaryFiles, |
| unittest.TestCase): |
| compression = zipfile.ZIP_DEFLATED |
| |
| @requires_bz2 |
| class Bzip2TestsWithRandomBinaryFiles(AbstractTestsWithRandomBinaryFiles, |
| unittest.TestCase): |
| compression = zipfile.ZIP_BZIP2 |
| |
| @requires_lzma |
| class LzmaTestsWithRandomBinaryFiles(AbstractTestsWithRandomBinaryFiles, |
| unittest.TestCase): |
| compression = zipfile.ZIP_LZMA |
| |
| |
| # Privide the tell() method but not seek() |
| class Tellable: |
| def __init__(self, fp): |
| self.fp = fp |
| self.offset = 0 |
| |
| def write(self, data): |
| n = self.fp.write(data) |
| self.offset += n |
| return n |
| |
| def tell(self): |
| return self.offset |
| |
| def flush(self): |
| self.fp.flush() |
| |
| class Unseekable: |
| def __init__(self, fp): |
| self.fp = fp |
| |
| def write(self, data): |
| return self.fp.write(data) |
| |
| def flush(self): |
| self.fp.flush() |
| |
| class UnseekableTests(unittest.TestCase): |
| def test_writestr(self): |
| for wrapper in (lambda f: f), Tellable, Unseekable: |
| with self.subTest(wrapper=wrapper): |
| f = io.BytesIO() |
| f.write(b'abc') |
| bf = io.BufferedWriter(f) |
| with zipfile.ZipFile(wrapper(bf), 'w', zipfile.ZIP_STORED) as zipfp: |
| zipfp.writestr('ones', b'111') |
| zipfp.writestr('twos', b'222') |
| self.assertEqual(f.getvalue()[:5], b'abcPK') |
| with zipfile.ZipFile(f, mode='r') as zipf: |
| with zipf.open('ones') as zopen: |
| self.assertEqual(zopen.read(), b'111') |
| with zipf.open('twos') as zopen: |
| self.assertEqual(zopen.read(), b'222') |
| |
| def test_write(self): |
| for wrapper in (lambda f: f), Tellable, Unseekable: |
| with self.subTest(wrapper=wrapper): |
| f = io.BytesIO() |
| f.write(b'abc') |
| bf = io.BufferedWriter(f) |
| with zipfile.ZipFile(wrapper(bf), 'w', zipfile.ZIP_STORED) as zipfp: |
| self.addCleanup(unlink, TESTFN) |
| with open(TESTFN, 'wb') as f2: |
| f2.write(b'111') |
| zipfp.write(TESTFN, 'ones') |
| with open(TESTFN, 'wb') as f2: |
| f2.write(b'222') |
| zipfp.write(TESTFN, 'twos') |
| self.assertEqual(f.getvalue()[:5], b'abcPK') |
| with zipfile.ZipFile(f, mode='r') as zipf: |
| with zipf.open('ones') as zopen: |
| self.assertEqual(zopen.read(), b'111') |
| with zipf.open('twos') as zopen: |
| self.assertEqual(zopen.read(), b'222') |
| |
| def test_open_write(self): |
| for wrapper in (lambda f: f), Tellable, Unseekable: |
| with self.subTest(wrapper=wrapper): |
| f = io.BytesIO() |
| f.write(b'abc') |
| bf = io.BufferedWriter(f) |
| with zipfile.ZipFile(wrapper(bf), 'w', zipfile.ZIP_STORED) as zipf: |
| with zipf.open('ones', 'w') as zopen: |
| zopen.write(b'111') |
| with zipf.open('twos', 'w') as zopen: |
| zopen.write(b'222') |
| self.assertEqual(f.getvalue()[:5], b'abcPK') |
| with zipfile.ZipFile(f) as zipf: |
| self.assertEqual(zipf.read('ones'), b'111') |
| self.assertEqual(zipf.read('twos'), b'222') |
| |
| |
| @requires_zlib |
| class TestsWithMultipleOpens(unittest.TestCase): |
| @classmethod |
| def setUpClass(cls): |
| cls.data1 = b'111' + getrandbytes(10000) |
| cls.data2 = b'222' + getrandbytes(10000) |
| |
| def make_test_archive(self, f): |
| # Create the ZIP archive |
| with zipfile.ZipFile(f, "w", zipfile.ZIP_DEFLATED) as zipfp: |
| zipfp.writestr('ones', self.data1) |
| zipfp.writestr('twos', self.data2) |
| |
| 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. |
| for f in get_files(self): |
| self.make_test_archive(f) |
| with zipfile.ZipFile(f, mode="r") as zipf: |
| with zipf.open('ones') as zopen1, zipf.open('ones') as zopen2: |
| data1 = zopen1.read(500) |
| data2 = zopen2.read(500) |
| data1 += zopen1.read() |
| data2 += zopen2.read() |
| self.assertEqual(data1, data2) |
| self.assertEqual(data1, self.data1) |
| |
| 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. |
| for f in get_files(self): |
| self.make_test_archive(f) |
| with zipfile.ZipFile(f, mode="r") as zipf: |
| with zipf.open('ones') as zopen1, zipf.open('twos') as zopen2: |
| data1 = zopen1.read(500) |
| data2 = zopen2.read(500) |
| data1 += zopen1.read() |
| data2 += zopen2.read() |
| self.assertEqual(data1, self.data1) |
| self.assertEqual(data2, self.data2) |
| |
| 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. |
| for f in get_files(self): |
| self.make_test_archive(f) |
| with zipfile.ZipFile(f, mode="r") as zipf: |
| with zipf.open('ones') as zopen1: |
| data1 = zopen1.read(500) |
| with zipf.open('twos') as zopen2: |
| data2 = zopen2.read(500) |
| data1 += zopen1.read() |
| data2 += zopen2.read() |
| self.assertEqual(data1, self.data1) |
| self.assertEqual(data2, self.data2) |
| |
| def test_read_after_close(self): |
| for f in get_files(self): |
| self.make_test_archive(f) |
| with contextlib.ExitStack() as stack: |
| with zipfile.ZipFile(f, 'r') as zipf: |
| zopen1 = stack.enter_context(zipf.open('ones')) |
| zopen2 = stack.enter_context(zipf.open('twos')) |
| data1 = zopen1.read(500) |
| data2 = zopen2.read(500) |
| data1 += zopen1.read() |
| data2 += zopen2.read() |
| self.assertEqual(data1, self.data1) |
| self.assertEqual(data2, self.data2) |
| |
| def test_read_after_write(self): |
| for f in get_files(self): |
| with zipfile.ZipFile(f, 'w', zipfile.ZIP_DEFLATED) as zipf: |
| zipf.writestr('ones', self.data1) |
| zipf.writestr('twos', self.data2) |
| with zipf.open('ones') as zopen1: |
| data1 = zopen1.read(500) |
| self.assertEqual(data1, self.data1[:500]) |
| with zipfile.ZipFile(f, 'r') as zipf: |
| data1 = zipf.read('ones') |
| data2 = zipf.read('twos') |
| self.assertEqual(data1, self.data1) |
| self.assertEqual(data2, self.data2) |
| |
| def test_write_after_read(self): |
| for f in get_files(self): |
| with zipfile.ZipFile(f, "w", zipfile.ZIP_DEFLATED) as zipf: |
| zipf.writestr('ones', self.data1) |
| with zipf.open('ones') as zopen1: |
| zopen1.read(500) |
| zipf.writestr('twos', self.data2) |
| with zipfile.ZipFile(f, 'r') as zipf: |
| data1 = zipf.read('ones') |
| data2 = zipf.read('twos') |
| self.assertEqual(data1, self.data1) |
| self.assertEqual(data2, self.data2) |
| |
| def test_many_opens(self): |
| # Verify that read() and open() promptly close the file descriptor, |
| # and don't rely on the garbage collector to free resources. |
| self.make_test_archive(TESTFN2) |
| with zipfile.ZipFile(TESTFN2, mode="r") as zipf: |
| for x in range(100): |
| zipf.read('ones') |
| with zipf.open('ones') as zopen1: |
| pass |
| with open(os.devnull) as f: |
| self.assertLess(f.fileno(), 100) |
| |
| def test_write_while_reading(self): |
| with zipfile.ZipFile(TESTFN2, 'w', zipfile.ZIP_DEFLATED) as zipf: |
| zipf.writestr('ones', self.data1) |
| with zipfile.ZipFile(TESTFN2, 'a', zipfile.ZIP_DEFLATED) as zipf: |
| with zipf.open('ones', 'r') as r1: |
| data1 = r1.read(500) |
| with zipf.open('twos', 'w') as w1: |
| w1.write(self.data2) |
| data1 += r1.read() |
| self.assertEqual(data1, self.data1) |
| with zipfile.ZipFile(TESTFN2) as zipf: |
| self.assertEqual(zipf.read('twos'), self.data2) |
| |
| def tearDown(self): |
| unlink(TESTFN2) |
| |
| |
| class TestWithDirectory(unittest.TestCase): |
| def setUp(self): |
| os.mkdir(TESTFN2) |
| |
| 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"))) |
| |
| def test_bug_6050(self): |
| # Extraction should succeed if directories already exist |
| os.mkdir(os.path.join(TESTFN2, "a")) |
| self.test_extract_dir() |
| |
| def test_write_dir(self): |
| dirpath = os.path.join(TESTFN2, "x") |
| os.mkdir(dirpath) |
| mode = os.stat(dirpath).st_mode & 0xFFFF |
| with zipfile.ZipFile(TESTFN, "w") as zipf: |
| zipf.write(dirpath) |
| zinfo = zipf.filelist[0] |
| self.assertTrue(zinfo.filename.endswith("/x/")) |
| self.assertEqual(zinfo.external_attr, (mode << 16) | 0x10) |
| zipf.write(dirpath, "y") |
| zinfo = zipf.filelist[1] |
| self.assertTrue(zinfo.filename, "y/") |
| self.assertEqual(zinfo.external_attr, (mode << 16) | 0x10) |
| with zipfile.ZipFile(TESTFN, "r") as zipf: |
| zinfo = zipf.filelist[0] |
| self.assertTrue(zinfo.filename.endswith("/x/")) |
| self.assertEqual(zinfo.external_attr, (mode << 16) | 0x10) |
| zinfo = zipf.filelist[1] |
| self.assertTrue(zinfo.filename, "y/") |
| self.assertEqual(zinfo.external_attr, (mode << 16) | 0x10) |
| target = os.path.join(TESTFN2, "target") |
| os.mkdir(target) |
| zipf.extractall(target) |
| self.assertTrue(os.path.isdir(os.path.join(target, "y"))) |
| self.assertEqual(len(os.listdir(target)), 2) |
| |
| def test_writestr_dir(self): |
| os.mkdir(os.path.join(TESTFN2, "x")) |
| with zipfile.ZipFile(TESTFN, "w") as zipf: |
| zipf.writestr("x/", b'') |
| zinfo = zipf.filelist[0] |
| self.assertEqual(zinfo.filename, "x/") |
| self.assertEqual(zinfo.external_attr, (0o40775 << 16) | 0x10) |
| with zipfile.ZipFile(TESTFN, "r") as zipf: |
| zinfo = zipf.filelist[0] |
| self.assertTrue(zinfo.filename.endswith("x/")) |
| self.assertEqual(zinfo.external_attr, (0o40775 << 16) | 0x10) |
| target = os.path.join(TESTFN2, "target") |
| os.mkdir(target) |
| zipf.extractall(target) |
| self.assertTrue(os.path.isdir(os.path.join(target, "x"))) |
| self.assertEqual(os.listdir(target), ["x"]) |
| |
| def tearDown(self): |
| rmtree(TESTFN2) |
| if os.path.exists(TESTFN): |
| unlink(TESTFN) |
| |
| |
| class ZipInfoTests(unittest.TestCase): |
| def test_from_file(self): |
| zi = zipfile.ZipInfo.from_file(__file__) |
| self.assertEqual(posixpath.basename(zi.filename), 'test_zipfile.py') |
| self.assertFalse(zi.is_dir()) |
| |
| def test_from_dir(self): |
| dirpath = os.path.dirname(os.path.abspath(__file__)) |
| zi = zipfile.ZipInfo.from_file(dirpath, 'stdlib_tests') |
| self.assertEqual(zi.filename, 'stdlib_tests/') |
| self.assertTrue(zi.is_dir()) |
| self.assertEqual(zi.compress_type, zipfile.ZIP_STORED) |
| self.assertEqual(zi.file_size, 0) |
| |
| if __name__ == "__main__": |
| unittest.main() |