397 lines
14 KiB
Python
397 lines
14 KiB
Python
# -*- coding: utf-8 -*-
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"""Tests for distutils.archive_util."""
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import unittest
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import os
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import sys
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import tarfile
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from os.path import splitdrive
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import warnings
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from distutils import archive_util
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from distutils.archive_util import (check_archive_formats, make_tarball,
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make_zipfile, make_archive,
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ARCHIVE_FORMATS)
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from distutils.spawn import find_executable, spawn
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from distutils.tests import support
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from test.support import run_unittest, patch
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from test.support.os_helper import change_cwd
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from test.support.warnings_helper import check_warnings
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try:
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import grp
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import pwd
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UID_GID_SUPPORT = True
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except ImportError:
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UID_GID_SUPPORT = False
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try:
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import zipfile
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ZIP_SUPPORT = True
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except ImportError:
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ZIP_SUPPORT = find_executable('zip')
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try:
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import zlib
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ZLIB_SUPPORT = True
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except ImportError:
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ZLIB_SUPPORT = False
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try:
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import bz2
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except ImportError:
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bz2 = None
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try:
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import lzma
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except ImportError:
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lzma = None
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def can_fs_encode(filename):
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"""
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Return True if the filename can be saved in the file system.
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"""
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if os.path.supports_unicode_filenames:
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return True
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try:
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filename.encode(sys.getfilesystemencoding())
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except UnicodeEncodeError:
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return False
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return True
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class ArchiveUtilTestCase(support.TempdirManager,
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support.LoggingSilencer,
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unittest.TestCase):
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@unittest.skipUnless(ZLIB_SUPPORT, 'Need zlib support to run')
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def test_make_tarball(self, name='archive'):
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# creating something to tar
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tmpdir = self._create_files()
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self._make_tarball(tmpdir, name, '.tar.gz')
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# trying an uncompressed one
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self._make_tarball(tmpdir, name, '.tar', compress=None)
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@unittest.skipUnless(ZLIB_SUPPORT, 'Need zlib support to run')
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def test_make_tarball_gzip(self):
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tmpdir = self._create_files()
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self._make_tarball(tmpdir, 'archive', '.tar.gz', compress='gzip')
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@unittest.skipUnless(bz2, 'Need bz2 support to run')
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def test_make_tarball_bzip2(self):
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tmpdir = self._create_files()
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self._make_tarball(tmpdir, 'archive', '.tar.bz2', compress='bzip2')
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@unittest.skipUnless(lzma, 'Need lzma support to run')
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def test_make_tarball_xz(self):
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tmpdir = self._create_files()
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self._make_tarball(tmpdir, 'archive', '.tar.xz', compress='xz')
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@unittest.skipUnless(can_fs_encode('årchiv'),
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'File system cannot handle this filename')
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def test_make_tarball_latin1(self):
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"""
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Mirror test_make_tarball, except filename contains latin characters.
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"""
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self.test_make_tarball('årchiv') # note this isn't a real word
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@unittest.skipUnless(can_fs_encode('のアーカイブ'),
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'File system cannot handle this filename')
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def test_make_tarball_extended(self):
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"""
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Mirror test_make_tarball, except filename contains extended
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characters outside the latin charset.
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"""
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self.test_make_tarball('のアーカイブ') # japanese for archive
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def _make_tarball(self, tmpdir, target_name, suffix, **kwargs):
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tmpdir2 = self.mkdtemp()
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unittest.skipUnless(splitdrive(tmpdir)[0] == splitdrive(tmpdir2)[0],
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"source and target should be on same drive")
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base_name = os.path.join(tmpdir2, target_name)
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# working with relative paths to avoid tar warnings
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with change_cwd(tmpdir):
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make_tarball(splitdrive(base_name)[1], 'dist', **kwargs)
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# check if the compressed tarball was created
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tarball = base_name + suffix
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self.assertTrue(os.path.exists(tarball))
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self.assertEqual(self._tarinfo(tarball), self._created_files)
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def _tarinfo(self, path):
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tar = tarfile.open(path)
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try:
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names = tar.getnames()
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names.sort()
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return names
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finally:
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tar.close()
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_zip_created_files = ['dist/', 'dist/file1', 'dist/file2',
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'dist/sub/', 'dist/sub/file3', 'dist/sub2/']
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_created_files = [p.rstrip('/') for p in _zip_created_files]
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def _create_files(self):
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# creating something to tar
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tmpdir = self.mkdtemp()
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dist = os.path.join(tmpdir, 'dist')
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os.mkdir(dist)
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self.write_file([dist, 'file1'], 'xxx')
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self.write_file([dist, 'file2'], 'xxx')
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os.mkdir(os.path.join(dist, 'sub'))
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self.write_file([dist, 'sub', 'file3'], 'xxx')
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os.mkdir(os.path.join(dist, 'sub2'))
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return tmpdir
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@unittest.skipUnless(find_executable('tar') and find_executable('gzip')
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and ZLIB_SUPPORT,
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'Need the tar, gzip and zlib command to run')
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def test_tarfile_vs_tar(self):
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tmpdir = self._create_files()
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tmpdir2 = self.mkdtemp()
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base_name = os.path.join(tmpdir2, 'archive')
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old_dir = os.getcwd()
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os.chdir(tmpdir)
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try:
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make_tarball(base_name, 'dist')
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finally:
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os.chdir(old_dir)
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# check if the compressed tarball was created
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tarball = base_name + '.tar.gz'
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self.assertTrue(os.path.exists(tarball))
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# now create another tarball using `tar`
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tarball2 = os.path.join(tmpdir, 'archive2.tar.gz')
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tar_cmd = ['tar', '-cf', 'archive2.tar', 'dist']
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gzip_cmd = ['gzip', '-f', '-9', 'archive2.tar']
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old_dir = os.getcwd()
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os.chdir(tmpdir)
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try:
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spawn(tar_cmd)
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spawn(gzip_cmd)
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finally:
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os.chdir(old_dir)
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self.assertTrue(os.path.exists(tarball2))
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# let's compare both tarballs
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self.assertEqual(self._tarinfo(tarball), self._created_files)
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self.assertEqual(self._tarinfo(tarball2), self._created_files)
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# trying an uncompressed one
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base_name = os.path.join(tmpdir2, 'archive')
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old_dir = os.getcwd()
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os.chdir(tmpdir)
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try:
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make_tarball(base_name, 'dist', compress=None)
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finally:
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os.chdir(old_dir)
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tarball = base_name + '.tar'
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self.assertTrue(os.path.exists(tarball))
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# now for a dry_run
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base_name = os.path.join(tmpdir2, 'archive')
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old_dir = os.getcwd()
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os.chdir(tmpdir)
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try:
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make_tarball(base_name, 'dist', compress=None, dry_run=True)
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finally:
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os.chdir(old_dir)
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tarball = base_name + '.tar'
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self.assertTrue(os.path.exists(tarball))
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@unittest.skipUnless(find_executable('compress'),
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'The compress program is required')
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def test_compress_deprecated(self):
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tmpdir = self._create_files()
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base_name = os.path.join(self.mkdtemp(), 'archive')
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# using compress and testing the PendingDeprecationWarning
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old_dir = os.getcwd()
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os.chdir(tmpdir)
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try:
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with check_warnings() as w:
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warnings.simplefilter("always")
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make_tarball(base_name, 'dist', compress='compress')
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finally:
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os.chdir(old_dir)
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tarball = base_name + '.tar.Z'
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self.assertTrue(os.path.exists(tarball))
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self.assertEqual(len(w.warnings), 1)
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# same test with dry_run
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os.remove(tarball)
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old_dir = os.getcwd()
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os.chdir(tmpdir)
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try:
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with check_warnings() as w:
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warnings.simplefilter("always")
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make_tarball(base_name, 'dist', compress='compress',
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dry_run=True)
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finally:
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os.chdir(old_dir)
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self.assertFalse(os.path.exists(tarball))
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self.assertEqual(len(w.warnings), 1)
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@unittest.skipUnless(ZIP_SUPPORT and ZLIB_SUPPORT,
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'Need zip and zlib support to run')
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def test_make_zipfile(self):
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# creating something to tar
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tmpdir = self._create_files()
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base_name = os.path.join(self.mkdtemp(), 'archive')
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with change_cwd(tmpdir):
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make_zipfile(base_name, 'dist')
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# check if the compressed tarball was created
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tarball = base_name + '.zip'
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self.assertTrue(os.path.exists(tarball))
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with zipfile.ZipFile(tarball) as zf:
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self.assertEqual(sorted(zf.namelist()), self._zip_created_files)
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@unittest.skipUnless(ZIP_SUPPORT, 'Need zip support to run')
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def test_make_zipfile_no_zlib(self):
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patch(self, archive_util.zipfile, 'zlib', None) # force zlib ImportError
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called = []
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zipfile_class = zipfile.ZipFile
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def fake_zipfile(*a, **kw):
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if kw.get('compression', None) == zipfile.ZIP_STORED:
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called.append((a, kw))
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return zipfile_class(*a, **kw)
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patch(self, archive_util.zipfile, 'ZipFile', fake_zipfile)
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# create something to tar and compress
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tmpdir = self._create_files()
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base_name = os.path.join(self.mkdtemp(), 'archive')
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with change_cwd(tmpdir):
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make_zipfile(base_name, 'dist')
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tarball = base_name + '.zip'
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self.assertEqual(called,
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[((tarball, "w"), {'compression': zipfile.ZIP_STORED})])
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self.assertTrue(os.path.exists(tarball))
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with zipfile.ZipFile(tarball) as zf:
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self.assertEqual(sorted(zf.namelist()), self._zip_created_files)
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def test_check_archive_formats(self):
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self.assertEqual(check_archive_formats(['gztar', 'xxx', 'zip']),
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'xxx')
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self.assertIsNone(check_archive_formats(['gztar', 'bztar', 'xztar',
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'ztar', 'tar', 'zip']))
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def test_make_archive(self):
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tmpdir = self.mkdtemp()
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base_name = os.path.join(tmpdir, 'archive')
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self.assertRaises(ValueError, make_archive, base_name, 'xxx')
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def test_make_archive_cwd(self):
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current_dir = os.getcwd()
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def _breaks(*args, **kw):
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raise RuntimeError()
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ARCHIVE_FORMATS['xxx'] = (_breaks, [], 'xxx file')
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try:
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try:
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make_archive('xxx', 'xxx', root_dir=self.mkdtemp())
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except:
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pass
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self.assertEqual(os.getcwd(), current_dir)
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finally:
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del ARCHIVE_FORMATS['xxx']
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def test_make_archive_tar(self):
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base_dir = self._create_files()
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base_name = os.path.join(self.mkdtemp() , 'archive')
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res = make_archive(base_name, 'tar', base_dir, 'dist')
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self.assertTrue(os.path.exists(res))
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self.assertEqual(os.path.basename(res), 'archive.tar')
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self.assertEqual(self._tarinfo(res), self._created_files)
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@unittest.skipUnless(ZLIB_SUPPORT, 'Need zlib support to run')
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def test_make_archive_gztar(self):
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base_dir = self._create_files()
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base_name = os.path.join(self.mkdtemp() , 'archive')
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res = make_archive(base_name, 'gztar', base_dir, 'dist')
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self.assertTrue(os.path.exists(res))
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self.assertEqual(os.path.basename(res), 'archive.tar.gz')
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self.assertEqual(self._tarinfo(res), self._created_files)
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@unittest.skipUnless(bz2, 'Need bz2 support to run')
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def test_make_archive_bztar(self):
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base_dir = self._create_files()
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base_name = os.path.join(self.mkdtemp() , 'archive')
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res = make_archive(base_name, 'bztar', base_dir, 'dist')
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self.assertTrue(os.path.exists(res))
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self.assertEqual(os.path.basename(res), 'archive.tar.bz2')
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self.assertEqual(self._tarinfo(res), self._created_files)
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@unittest.skipUnless(lzma, 'Need xz support to run')
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def test_make_archive_xztar(self):
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base_dir = self._create_files()
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base_name = os.path.join(self.mkdtemp() , 'archive')
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res = make_archive(base_name, 'xztar', base_dir, 'dist')
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self.assertTrue(os.path.exists(res))
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self.assertEqual(os.path.basename(res), 'archive.tar.xz')
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self.assertEqual(self._tarinfo(res), self._created_files)
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def test_make_archive_owner_group(self):
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# testing make_archive with owner and group, with various combinations
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# this works even if there's not gid/uid support
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if UID_GID_SUPPORT:
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group = grp.getgrgid(0)[0]
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owner = pwd.getpwuid(0)[0]
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else:
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group = owner = 'root'
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base_dir = self._create_files()
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root_dir = self.mkdtemp()
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base_name = os.path.join(self.mkdtemp() , 'archive')
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res = make_archive(base_name, 'zip', root_dir, base_dir, owner=owner,
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group=group)
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self.assertTrue(os.path.exists(res))
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res = make_archive(base_name, 'zip', root_dir, base_dir)
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self.assertTrue(os.path.exists(res))
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res = make_archive(base_name, 'tar', root_dir, base_dir,
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owner=owner, group=group)
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self.assertTrue(os.path.exists(res))
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res = make_archive(base_name, 'tar', root_dir, base_dir,
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owner='kjhkjhkjg', group='oihohoh')
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self.assertTrue(os.path.exists(res))
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@unittest.skipUnless(ZLIB_SUPPORT, "Requires zlib")
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@unittest.skipUnless(UID_GID_SUPPORT, "Requires grp and pwd support")
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def test_tarfile_root_owner(self):
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tmpdir = self._create_files()
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base_name = os.path.join(self.mkdtemp(), 'archive')
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old_dir = os.getcwd()
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os.chdir(tmpdir)
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group = grp.getgrgid(0)[0]
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owner = pwd.getpwuid(0)[0]
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try:
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archive_name = make_tarball(base_name, 'dist', compress=None,
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owner=owner, group=group)
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finally:
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os.chdir(old_dir)
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# check if the compressed tarball was created
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self.assertTrue(os.path.exists(archive_name))
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# now checks the rights
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archive = tarfile.open(archive_name)
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try:
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for member in archive.getmembers():
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self.assertEqual(member.uid, 0)
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self.assertEqual(member.gid, 0)
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finally:
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archive.close()
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def test_suite():
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return unittest.makeSuite(ArchiveUtilTestCase)
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if __name__ == "__main__":
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run_unittest(test_suite())
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