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import os
import shutil
import stat
import sys
import tempfile
import unittest
from django.utils._os import upath
from django.utils.archive import Archive, extract
TEST_DIR = os.path.join(os.path.dirname(upath(__file__)), 'archives')
class ArchiveTester:
archive = None
def setUp(self):
"""
Create temporary directory for testing extraction.
"""
self.old_cwd = os.getcwd()
self.tmpdir = tempfile.mkdtemp()
self.addCleanup(shutil.rmtree, self.tmpdir)
self.archive_path = os.path.join(TEST_DIR, self.archive)
self.archive_lead_path = os.path.join(TEST_DIR, "leadpath_%s" % self.archive)
# Always start off in TEST_DIR.
os.chdir(TEST_DIR)
def tearDown(self):
os.chdir(self.old_cwd)
def test_extract_method(self):
with Archive(self.archive) as archive:
archive.extract(self.tmpdir)
self.check_files(self.tmpdir)
def test_extract_method_no_to_path(self):
os.chdir(self.tmpdir)
with Archive(self.archive_path) as archive:
archive.extract()
self.check_files(self.tmpdir)
def test_extract_function(self):
extract(self.archive_path, self.tmpdir)
self.check_files(self.tmpdir)
@unittest.skipIf(sys.platform == 'win32', 'Python on Windows has a limited os.chmod().')
def test_extract_file_permissions(self):
"""Archive.extract() preserves file permissions."""
extract(self.archive_path, self.tmpdir)
filepath = os.path.join(self.tmpdir, 'executable')
# The file has executable permission.
self.assertTrue(os.stat(filepath).st_mode & stat.S_IXOTH)
filepath = os.path.join(self.tmpdir, 'no_permissions')
# The file is readable even though it doesn't have permission data in
# the archive.
self.assertTrue(os.stat(filepath).st_mode & stat.S_IROTH)
def test_extract_function_with_leadpath(self):
extract(self.archive_lead_path, self.tmpdir)
self.check_files(self.tmpdir)
def test_extract_function_no_to_path(self):
os.chdir(self.tmpdir)
extract(self.archive_path)
self.check_files(self.tmpdir)
def check_files(self, tmpdir):
self.assertTrue(os.path.isfile(os.path.join(self.tmpdir, '1')))
self.assertTrue(os.path.isfile(os.path.join(self.tmpdir, '2')))
self.assertTrue(os.path.isfile(os.path.join(self.tmpdir, 'foo', '1')))
self.assertTrue(os.path.isfile(os.path.join(self.tmpdir, 'foo', '2')))
self.assertTrue(os.path.isfile(os.path.join(self.tmpdir, 'foo', 'bar', '1')))
self.assertTrue(os.path.isfile(os.path.join(self.tmpdir, 'foo', 'bar', '2')))
class TestZip(ArchiveTester, unittest.TestCase):
archive = 'foobar.zip'
class TestTar(ArchiveTester, unittest.TestCase):
archive = 'foobar.tar'
class TestGzipTar(ArchiveTester, unittest.TestCase):
archive = 'foobar.tar.gz'
class TestBzip2Tar(ArchiveTester, unittest.TestCase):
archive = 'foobar.tar.bz2'
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