| # Copyright (C) 2003 Python Software Foundation |
| |
| import unittest |
| import shutil |
| import tempfile |
| import sys |
| import stat |
| import os |
| import os.path |
| import functools |
| import errno |
| from test import support |
| from test.support import TESTFN |
| from os.path import splitdrive |
| from distutils.spawn import find_executable, spawn |
| from shutil import (_make_tarball, _make_zipfile, make_archive, |
| register_archive_format, unregister_archive_format, |
| get_archive_formats, Error, unpack_archive, |
| register_unpack_format, RegistryError, |
| unregister_unpack_format, get_unpack_formats) |
| import tarfile |
| import warnings |
| |
| from test import support |
| from test.support import TESTFN, check_warnings, captured_stdout |
| |
| try: |
| import bz2 |
| BZ2_SUPPORTED = True |
| except ImportError: |
| BZ2_SUPPORTED = False |
| |
| TESTFN2 = TESTFN + "2" |
| |
| try: |
| import grp |
| import pwd |
| UID_GID_SUPPORT = True |
| except ImportError: |
| UID_GID_SUPPORT = False |
| |
| try: |
| import zlib |
| except ImportError: |
| zlib = None |
| |
| try: |
| import zipfile |
| ZIP_SUPPORT = True |
| except ImportError: |
| ZIP_SUPPORT = find_executable('zip') |
| |
| def _fake_rename(*args, **kwargs): |
| # Pretend the destination path is on a different filesystem. |
| raise OSError() |
| |
| def mock_rename(func): |
| @functools.wraps(func) |
| def wrap(*args, **kwargs): |
| try: |
| builtin_rename = os.rename |
| os.rename = _fake_rename |
| return func(*args, **kwargs) |
| finally: |
| os.rename = builtin_rename |
| return wrap |
| |
| class TestShutil(unittest.TestCase): |
| |
| def setUp(self): |
| super(TestShutil, self).setUp() |
| self.tempdirs = [] |
| |
| def tearDown(self): |
| super(TestShutil, self).tearDown() |
| while self.tempdirs: |
| d = self.tempdirs.pop() |
| shutil.rmtree(d, os.name in ('nt', 'cygwin')) |
| |
| def write_file(self, path, content='xxx'): |
| """Writes a file in the given path. |
| |
| |
| path can be a string or a sequence. |
| """ |
| if isinstance(path, (list, tuple)): |
| path = os.path.join(*path) |
| f = open(path, 'w') |
| try: |
| f.write(content) |
| finally: |
| f.close() |
| |
| def mkdtemp(self): |
| """Create a temporary directory that will be cleaned up. |
| |
| Returns the path of the directory. |
| """ |
| d = tempfile.mkdtemp() |
| self.tempdirs.append(d) |
| return d |
| |
| @support.skip_unless_symlink |
| def test_rmtree_fails_on_symlink(self): |
| tmp = self.mkdtemp() |
| dir_ = os.path.join(tmp, 'dir') |
| os.mkdir(dir_) |
| link = os.path.join(tmp, 'link') |
| os.symlink(dir_, link) |
| self.assertRaises(OSError, shutil.rmtree, link) |
| self.assertTrue(os.path.exists(dir_)) |
| self.assertTrue(os.path.lexists(link)) |
| errors = [] |
| def onerror(*args): |
| errors.append(args) |
| shutil.rmtree(link, onerror=onerror) |
| self.assertEqual(len(errors), 1) |
| self.assertIs(errors[0][0], os.path.islink) |
| self.assertEqual(errors[0][1], link) |
| self.assertIsInstance(errors[0][2][1], OSError) |
| |
| def test_rmtree_errors(self): |
| # filename is guaranteed not to exist |
| filename = tempfile.mktemp() |
| self.assertRaises(OSError, shutil.rmtree, filename) |
| # test that ignore_errors option is honoured |
| shutil.rmtree(filename, ignore_errors=True) |
| |
| # existing file |
| tmpdir = self.mkdtemp() |
| self.write_file((tmpdir, "tstfile"), "") |
| filename = os.path.join(tmpdir, "tstfile") |
| with self.assertRaises(OSError) as cm: |
| shutil.rmtree(filename) |
| # The reason for this rather odd construct is that Windows sprinkles |
| # a \*.* at the end of file names. But only sometimes on some buildbots |
| possible_args = [filename, os.path.join(filename, '*.*')] |
| self.assertIn(cm.exception.filename, possible_args) |
| self.assertTrue(os.path.exists(filename)) |
| # test that ignore_errors option is honored |
| shutil.rmtree(filename, ignore_errors=True) |
| self.assertTrue(os.path.exists(filename)) |
| errors = [] |
| def onerror(*args): |
| errors.append(args) |
| shutil.rmtree(filename, onerror=onerror) |
| self.assertEqual(len(errors), 2) |
| self.assertIs(errors[0][0], os.listdir) |
| self.assertEqual(errors[0][1], filename) |
| self.assertIsInstance(errors[0][2][1], OSError) |
| self.assertIn(errors[0][2][1].filename, possible_args) |
| self.assertIs(errors[1][0], os.rmdir) |
| self.assertEqual(errors[1][1], filename) |
| self.assertIsInstance(errors[1][2][1], OSError) |
| self.assertIn(errors[1][2][1].filename, possible_args) |
| |
| # See bug #1071513 for why we don't run this on cygwin |
| # and bug #1076467 for why we don't run this as root. |
| if (hasattr(os, 'chmod') and sys.platform[:6] != 'cygwin' |
| and not (hasattr(os, 'geteuid') and os.geteuid() == 0)): |
| def test_on_error(self): |
| self.errorState = 0 |
| os.mkdir(TESTFN) |
| self.childpath = os.path.join(TESTFN, 'a') |
| f = open(self.childpath, 'w') |
| f.close() |
| old_dir_mode = os.stat(TESTFN).st_mode |
| old_child_mode = os.stat(self.childpath).st_mode |
| # Make unwritable. |
| os.chmod(self.childpath, stat.S_IREAD) |
| os.chmod(TESTFN, stat.S_IREAD) |
| |
| shutil.rmtree(TESTFN, onerror=self.check_args_to_onerror) |
| # Test whether onerror has actually been called. |
| self.assertEqual(self.errorState, 2, |
| "Expected call to onerror function did not happen.") |
| |
| # Make writable again. |
| os.chmod(TESTFN, old_dir_mode) |
| os.chmod(self.childpath, old_child_mode) |
| |
| # Clean up. |
| shutil.rmtree(TESTFN) |
| |
| def check_args_to_onerror(self, func, arg, exc): |
| # test_rmtree_errors deliberately runs rmtree |
| # on a directory that is chmod 400, which will fail. |
| # This function is run when shutil.rmtree fails. |
| # 99.9% of the time it initially fails to remove |
| # a file in the directory, so the first time through |
| # func is os.remove. |
| # However, some Linux machines running ZFS on |
| # FUSE experienced a failure earlier in the process |
| # at os.listdir. The first failure may legally |
| # be either. |
| if self.errorState == 0: |
| if func is os.remove: |
| self.assertEqual(arg, self.childpath) |
| else: |
| self.assertIs(func, os.listdir, |
| "func must be either os.remove or os.listdir") |
| self.assertEqual(arg, TESTFN) |
| self.assertTrue(issubclass(exc[0], OSError)) |
| self.errorState = 1 |
| else: |
| self.assertEqual(func, os.rmdir) |
| self.assertEqual(arg, TESTFN) |
| self.assertTrue(issubclass(exc[0], OSError)) |
| self.errorState = 2 |
| |
| def test_rmtree_dont_delete_file(self): |
| # When called on a file instead of a directory, don't delete it. |
| handle, path = tempfile.mkstemp() |
| os.fdopen(handle).close() |
| self.assertRaises(OSError, shutil.rmtree, path) |
| os.remove(path) |
| |
| def _write_data(self, path, data): |
| f = open(path, "w") |
| f.write(data) |
| f.close() |
| |
| def test_copytree_simple(self): |
| |
| def read_data(path): |
| f = open(path) |
| data = f.read() |
| f.close() |
| return data |
| |
| src_dir = tempfile.mkdtemp() |
| dst_dir = os.path.join(tempfile.mkdtemp(), 'destination') |
| self._write_data(os.path.join(src_dir, 'test.txt'), '123') |
| os.mkdir(os.path.join(src_dir, 'test_dir')) |
| self._write_data(os.path.join(src_dir, 'test_dir', 'test.txt'), '456') |
| |
| try: |
| shutil.copytree(src_dir, dst_dir) |
| self.assertTrue(os.path.isfile(os.path.join(dst_dir, 'test.txt'))) |
| self.assertTrue(os.path.isdir(os.path.join(dst_dir, 'test_dir'))) |
| self.assertTrue(os.path.isfile(os.path.join(dst_dir, 'test_dir', |
| 'test.txt'))) |
| actual = read_data(os.path.join(dst_dir, 'test.txt')) |
| self.assertEqual(actual, '123') |
| actual = read_data(os.path.join(dst_dir, 'test_dir', 'test.txt')) |
| self.assertEqual(actual, '456') |
| finally: |
| for path in ( |
| os.path.join(src_dir, 'test.txt'), |
| os.path.join(dst_dir, 'test.txt'), |
| os.path.join(src_dir, 'test_dir', 'test.txt'), |
| os.path.join(dst_dir, 'test_dir', 'test.txt'), |
| ): |
| if os.path.exists(path): |
| os.remove(path) |
| for path in (src_dir, |
| os.path.dirname(dst_dir) |
| ): |
| if os.path.exists(path): |
| shutil.rmtree(path) |
| |
| def test_copytree_with_exclude(self): |
| |
| def read_data(path): |
| f = open(path) |
| data = f.read() |
| f.close() |
| return data |
| |
| # creating data |
| join = os.path.join |
| exists = os.path.exists |
| src_dir = tempfile.mkdtemp() |
| try: |
| dst_dir = join(tempfile.mkdtemp(), 'destination') |
| self._write_data(join(src_dir, 'test.txt'), '123') |
| self._write_data(join(src_dir, 'test.tmp'), '123') |
| os.mkdir(join(src_dir, 'test_dir')) |
| self._write_data(join(src_dir, 'test_dir', 'test.txt'), '456') |
| os.mkdir(join(src_dir, 'test_dir2')) |
| self._write_data(join(src_dir, 'test_dir2', 'test.txt'), '456') |
| os.mkdir(join(src_dir, 'test_dir2', 'subdir')) |
| os.mkdir(join(src_dir, 'test_dir2', 'subdir2')) |
| self._write_data(join(src_dir, 'test_dir2', 'subdir', 'test.txt'), |
| '456') |
| self._write_data(join(src_dir, 'test_dir2', 'subdir2', 'test.py'), |
| '456') |
| |
| |
| # testing glob-like patterns |
| try: |
| patterns = shutil.ignore_patterns('*.tmp', 'test_dir2') |
| shutil.copytree(src_dir, dst_dir, ignore=patterns) |
| # checking the result: some elements should not be copied |
| self.assertTrue(exists(join(dst_dir, 'test.txt'))) |
| self.assertTrue(not exists(join(dst_dir, 'test.tmp'))) |
| self.assertTrue(not exists(join(dst_dir, 'test_dir2'))) |
| finally: |
| if os.path.exists(dst_dir): |
| shutil.rmtree(dst_dir) |
| try: |
| patterns = shutil.ignore_patterns('*.tmp', 'subdir*') |
| shutil.copytree(src_dir, dst_dir, ignore=patterns) |
| # checking the result: some elements should not be copied |
| self.assertTrue(not exists(join(dst_dir, 'test.tmp'))) |
| self.assertTrue(not exists(join(dst_dir, 'test_dir2', 'subdir2'))) |
| self.assertTrue(not exists(join(dst_dir, 'test_dir2', 'subdir'))) |
| finally: |
| if os.path.exists(dst_dir): |
| shutil.rmtree(dst_dir) |
| |
| # testing callable-style |
| try: |
| def _filter(src, names): |
| res = [] |
| for name in names: |
| path = os.path.join(src, name) |
| |
| if (os.path.isdir(path) and |
| path.split()[-1] == 'subdir'): |
| res.append(name) |
| elif os.path.splitext(path)[-1] in ('.py'): |
| res.append(name) |
| return res |
| |
| shutil.copytree(src_dir, dst_dir, ignore=_filter) |
| |
| # checking the result: some elements should not be copied |
| self.assertTrue(not exists(join(dst_dir, 'test_dir2', 'subdir2', |
| 'test.py'))) |
| self.assertTrue(not exists(join(dst_dir, 'test_dir2', 'subdir'))) |
| |
| finally: |
| if os.path.exists(dst_dir): |
| shutil.rmtree(dst_dir) |
| finally: |
| shutil.rmtree(src_dir) |
| shutil.rmtree(os.path.dirname(dst_dir)) |
| |
| @unittest.skipUnless(hasattr(os, 'link'), 'requires os.link') |
| def test_dont_copy_file_onto_link_to_itself(self): |
| # Temporarily disable test on Windows. |
| if os.name == 'nt': |
| return |
| # bug 851123. |
| os.mkdir(TESTFN) |
| src = os.path.join(TESTFN, 'cheese') |
| dst = os.path.join(TESTFN, 'shop') |
| try: |
| with open(src, 'w') as f: |
| f.write('cheddar') |
| os.link(src, dst) |
| self.assertRaises(shutil.Error, shutil.copyfile, src, dst) |
| with open(src, 'r') as f: |
| self.assertEqual(f.read(), 'cheddar') |
| os.remove(dst) |
| finally: |
| shutil.rmtree(TESTFN, ignore_errors=True) |
| |
| @unittest.skipUnless(hasattr(os, 'chflags') and |
| hasattr(errno, 'EOPNOTSUPP') and |
| hasattr(errno, 'ENOTSUP'), |
| "requires os.chflags, EOPNOTSUPP & ENOTSUP") |
| def test_copystat_handles_harmless_chflags_errors(self): |
| tmpdir = self.mkdtemp() |
| file1 = os.path.join(tmpdir, 'file1') |
| file2 = os.path.join(tmpdir, 'file2') |
| self.write_file(file1, 'xxx') |
| self.write_file(file2, 'xxx') |
| |
| def make_chflags_raiser(err): |
| ex = OSError() |
| |
| def _chflags_raiser(path, flags): |
| ex.errno = err |
| raise ex |
| return _chflags_raiser |
| old_chflags = os.chflags |
| try: |
| for err in errno.EOPNOTSUPP, errno.ENOTSUP: |
| os.chflags = make_chflags_raiser(err) |
| shutil.copystat(file1, file2) |
| # assert others errors break it |
| os.chflags = make_chflags_raiser(errno.EOPNOTSUPP + errno.ENOTSUP) |
| self.assertRaises(OSError, shutil.copystat, file1, file2) |
| finally: |
| os.chflags = old_chflags |
| |
| @support.skip_unless_symlink |
| def test_dont_copy_file_onto_symlink_to_itself(self): |
| # bug 851123. |
| os.mkdir(TESTFN) |
| src = os.path.join(TESTFN, 'cheese') |
| dst = os.path.join(TESTFN, 'shop') |
| try: |
| with open(src, 'w') as f: |
| f.write('cheddar') |
| # Using `src` here would mean we end up with a symlink pointing |
| # to TESTFN/TESTFN/cheese, while it should point at |
| # TESTFN/cheese. |
| os.symlink('cheese', dst) |
| self.assertRaises(shutil.Error, shutil.copyfile, src, dst) |
| with open(src, 'r') as f: |
| self.assertEqual(f.read(), 'cheddar') |
| os.remove(dst) |
| finally: |
| shutil.rmtree(TESTFN, ignore_errors=True) |
| |
| @support.skip_unless_symlink |
| def test_rmtree_on_symlink(self): |
| # bug 1669. |
| os.mkdir(TESTFN) |
| try: |
| src = os.path.join(TESTFN, 'cheese') |
| dst = os.path.join(TESTFN, 'shop') |
| os.mkdir(src) |
| os.symlink(src, dst) |
| self.assertRaises(OSError, shutil.rmtree, dst) |
| finally: |
| shutil.rmtree(TESTFN, ignore_errors=True) |
| |
| if hasattr(os, "mkfifo"): |
| # Issue #3002: copyfile and copytree block indefinitely on named pipes |
| def test_copyfile_named_pipe(self): |
| os.mkfifo(TESTFN) |
| try: |
| self.assertRaises(shutil.SpecialFileError, |
| shutil.copyfile, TESTFN, TESTFN2) |
| self.assertRaises(shutil.SpecialFileError, |
| shutil.copyfile, __file__, TESTFN) |
| finally: |
| os.remove(TESTFN) |
| |
| @support.skip_unless_symlink |
| def test_copytree_named_pipe(self): |
| os.mkdir(TESTFN) |
| try: |
| subdir = os.path.join(TESTFN, "subdir") |
| os.mkdir(subdir) |
| pipe = os.path.join(subdir, "mypipe") |
| os.mkfifo(pipe) |
| try: |
| shutil.copytree(TESTFN, TESTFN2) |
| except shutil.Error as e: |
| errors = e.args[0] |
| self.assertEqual(len(errors), 1) |
| src, dst, error_msg = errors[0] |
| self.assertEqual("`%s` is a named pipe" % pipe, error_msg) |
| else: |
| self.fail("shutil.Error should have been raised") |
| finally: |
| shutil.rmtree(TESTFN, ignore_errors=True) |
| shutil.rmtree(TESTFN2, ignore_errors=True) |
| |
| def test_copytree_special_func(self): |
| |
| src_dir = self.mkdtemp() |
| dst_dir = os.path.join(self.mkdtemp(), 'destination') |
| self._write_data(os.path.join(src_dir, 'test.txt'), '123') |
| os.mkdir(os.path.join(src_dir, 'test_dir')) |
| self._write_data(os.path.join(src_dir, 'test_dir', 'test.txt'), '456') |
| |
| copied = [] |
| def _copy(src, dst): |
| copied.append((src, dst)) |
| |
| shutil.copytree(src_dir, dst_dir, copy_function=_copy) |
| self.assertEqual(len(copied), 2) |
| |
| @support.skip_unless_symlink |
| def test_copytree_dangling_symlinks(self): |
| |
| # a dangling symlink raises an error at the end |
| src_dir = self.mkdtemp() |
| dst_dir = os.path.join(self.mkdtemp(), 'destination') |
| os.symlink('IDONTEXIST', os.path.join(src_dir, 'test.txt')) |
| os.mkdir(os.path.join(src_dir, 'test_dir')) |
| self._write_data(os.path.join(src_dir, 'test_dir', 'test.txt'), '456') |
| self.assertRaises(Error, shutil.copytree, src_dir, dst_dir) |
| |
| # a dangling symlink is ignored with the proper flag |
| dst_dir = os.path.join(self.mkdtemp(), 'destination2') |
| shutil.copytree(src_dir, dst_dir, ignore_dangling_symlinks=True) |
| self.assertNotIn('test.txt', os.listdir(dst_dir)) |
| |
| # a dangling symlink is copied if symlinks=True |
| dst_dir = os.path.join(self.mkdtemp(), 'destination3') |
| shutil.copytree(src_dir, dst_dir, symlinks=True) |
| self.assertIn('test.txt', os.listdir(dst_dir)) |
| |
| def _copy_file(self, method): |
| fname = 'test.txt' |
| tmpdir = self.mkdtemp() |
| self.write_file([tmpdir, fname]) |
| file1 = os.path.join(tmpdir, fname) |
| tmpdir2 = self.mkdtemp() |
| method(file1, tmpdir2) |
| file2 = os.path.join(tmpdir2, fname) |
| return (file1, file2) |
| |
| @unittest.skipUnless(hasattr(os, 'chmod'), 'requires os.chmod') |
| def test_copy(self): |
| # Ensure that the copied file exists and has the same mode bits. |
| file1, file2 = self._copy_file(shutil.copy) |
| self.assertTrue(os.path.exists(file2)) |
| self.assertEqual(os.stat(file1).st_mode, os.stat(file2).st_mode) |
| |
| @unittest.skipUnless(hasattr(os, 'chmod'), 'requires os.chmod') |
| @unittest.skipUnless(hasattr(os, 'utime'), 'requires os.utime') |
| def test_copy2(self): |
| # Ensure that the copied file exists and has the same mode and |
| # modification time bits. |
| file1, file2 = self._copy_file(shutil.copy2) |
| self.assertTrue(os.path.exists(file2)) |
| file1_stat = os.stat(file1) |
| file2_stat = os.stat(file2) |
| self.assertEqual(file1_stat.st_mode, file2_stat.st_mode) |
| for attr in 'st_atime', 'st_mtime': |
| # The modification times may be truncated in the new file. |
| self.assertLessEqual(getattr(file1_stat, attr), |
| getattr(file2_stat, attr) + 1) |
| if hasattr(os, 'chflags') and hasattr(file1_stat, 'st_flags'): |
| self.assertEqual(getattr(file1_stat, 'st_flags'), |
| getattr(file2_stat, 'st_flags')) |
| |
| @unittest.skipUnless(zlib, "requires zlib") |
| def test_make_tarball(self): |
| # creating something to tar |
| tmpdir = self.mkdtemp() |
| self.write_file([tmpdir, 'file1'], 'xxx') |
| self.write_file([tmpdir, 'file2'], 'xxx') |
| os.mkdir(os.path.join(tmpdir, 'sub')) |
| self.write_file([tmpdir, 'sub', 'file3'], 'xxx') |
| |
| tmpdir2 = self.mkdtemp() |
| # force shutil to create the directory |
| os.rmdir(tmpdir2) |
| unittest.skipUnless(splitdrive(tmpdir)[0] == splitdrive(tmpdir2)[0], |
| "source and target should be on same drive") |
| |
| base_name = os.path.join(tmpdir2, 'archive') |
| |
| # working with relative paths to avoid tar warnings |
| old_dir = os.getcwd() |
| os.chdir(tmpdir) |
| try: |
| _make_tarball(splitdrive(base_name)[1], '.') |
| finally: |
| os.chdir(old_dir) |
| |
| # check if the compressed tarball was created |
| tarball = base_name + '.tar.gz' |
| self.assertTrue(os.path.exists(tarball)) |
| |
| # trying an uncompressed one |
| base_name = os.path.join(tmpdir2, 'archive') |
| old_dir = os.getcwd() |
| os.chdir(tmpdir) |
| try: |
| _make_tarball(splitdrive(base_name)[1], '.', compress=None) |
| finally: |
| os.chdir(old_dir) |
| tarball = base_name + '.tar' |
| self.assertTrue(os.path.exists(tarball)) |
| |
| def _tarinfo(self, path): |
| tar = tarfile.open(path) |
| try: |
| names = tar.getnames() |
| names.sort() |
| return tuple(names) |
| finally: |
| tar.close() |
| |
| def _create_files(self): |
| # creating something to tar |
| tmpdir = self.mkdtemp() |
| dist = os.path.join(tmpdir, 'dist') |
| os.mkdir(dist) |
| self.write_file([dist, 'file1'], 'xxx') |
| self.write_file([dist, 'file2'], 'xxx') |
| os.mkdir(os.path.join(dist, 'sub')) |
| self.write_file([dist, 'sub', 'file3'], 'xxx') |
| os.mkdir(os.path.join(dist, 'sub2')) |
| tmpdir2 = self.mkdtemp() |
| base_name = os.path.join(tmpdir2, 'archive') |
| return tmpdir, tmpdir2, base_name |
| |
| @unittest.skipUnless(zlib, "Requires zlib") |
| @unittest.skipUnless(find_executable('tar') and find_executable('gzip'), |
| 'Need the tar command to run') |
| def test_tarfile_vs_tar(self): |
| tmpdir, tmpdir2, base_name = self._create_files() |
| old_dir = os.getcwd() |
| os.chdir(tmpdir) |
| try: |
| _make_tarball(base_name, 'dist') |
| finally: |
| os.chdir(old_dir) |
| |
| # check if the compressed tarball was created |
| tarball = base_name + '.tar.gz' |
| self.assertTrue(os.path.exists(tarball)) |
| |
| # now create another tarball using `tar` |
| tarball2 = os.path.join(tmpdir, 'archive2.tar.gz') |
| tar_cmd = ['tar', '-cf', 'archive2.tar', 'dist'] |
| gzip_cmd = ['gzip', '-f9', 'archive2.tar'] |
| old_dir = os.getcwd() |
| os.chdir(tmpdir) |
| try: |
| with captured_stdout() as s: |
| spawn(tar_cmd) |
| spawn(gzip_cmd) |
| finally: |
| os.chdir(old_dir) |
| |
| self.assertTrue(os.path.exists(tarball2)) |
| # let's compare both tarballs |
| self.assertEqual(self._tarinfo(tarball), self._tarinfo(tarball2)) |
| |
| # trying an uncompressed one |
| base_name = os.path.join(tmpdir2, 'archive') |
| old_dir = os.getcwd() |
| os.chdir(tmpdir) |
| try: |
| _make_tarball(base_name, 'dist', compress=None) |
| finally: |
| os.chdir(old_dir) |
| tarball = base_name + '.tar' |
| self.assertTrue(os.path.exists(tarball)) |
| |
| # now for a dry_run |
| base_name = os.path.join(tmpdir2, 'archive') |
| old_dir = os.getcwd() |
| os.chdir(tmpdir) |
| try: |
| _make_tarball(base_name, 'dist', compress=None, dry_run=True) |
| finally: |
| os.chdir(old_dir) |
| tarball = base_name + '.tar' |
| self.assertTrue(os.path.exists(tarball)) |
| |
| @unittest.skipUnless(zlib, "Requires zlib") |
| @unittest.skipUnless(ZIP_SUPPORT, 'Need zip support to run') |
| def test_make_zipfile(self): |
| # creating something to tar |
| tmpdir = self.mkdtemp() |
| self.write_file([tmpdir, 'file1'], 'xxx') |
| self.write_file([tmpdir, 'file2'], 'xxx') |
| |
| tmpdir2 = self.mkdtemp() |
| # force shutil to create the directory |
| os.rmdir(tmpdir2) |
| base_name = os.path.join(tmpdir2, 'archive') |
| _make_zipfile(base_name, tmpdir) |
| |
| # check if the compressed tarball was created |
| tarball = base_name + '.zip' |
| self.assertTrue(os.path.exists(tarball)) |
| |
| |
| def test_make_archive(self): |
| tmpdir = self.mkdtemp() |
| base_name = os.path.join(tmpdir, 'archive') |
| self.assertRaises(ValueError, make_archive, base_name, 'xxx') |
| |
| @unittest.skipUnless(zlib, "Requires zlib") |
| def test_make_archive_owner_group(self): |
| # testing make_archive with owner and group, with various combinations |
| # this works even if there's not gid/uid support |
| if UID_GID_SUPPORT: |
| group = grp.getgrgid(0)[0] |
| owner = pwd.getpwuid(0)[0] |
| else: |
| group = owner = 'root' |
| |
| base_dir, root_dir, base_name = self._create_files() |
| base_name = os.path.join(self.mkdtemp() , 'archive') |
| res = make_archive(base_name, 'zip', root_dir, base_dir, owner=owner, |
| group=group) |
| self.assertTrue(os.path.exists(res)) |
| |
| res = make_archive(base_name, 'zip', root_dir, base_dir) |
| self.assertTrue(os.path.exists(res)) |
| |
| res = make_archive(base_name, 'tar', root_dir, base_dir, |
| owner=owner, group=group) |
| self.assertTrue(os.path.exists(res)) |
| |
| res = make_archive(base_name, 'tar', root_dir, base_dir, |
| owner='kjhkjhkjg', group='oihohoh') |
| self.assertTrue(os.path.exists(res)) |
| |
| |
| @unittest.skipUnless(zlib, "Requires zlib") |
| @unittest.skipUnless(UID_GID_SUPPORT, "Requires grp and pwd support") |
| def test_tarfile_root_owner(self): |
| tmpdir, tmpdir2, base_name = self._create_files() |
| old_dir = os.getcwd() |
| os.chdir(tmpdir) |
| group = grp.getgrgid(0)[0] |
| owner = pwd.getpwuid(0)[0] |
| try: |
| archive_name = _make_tarball(base_name, 'dist', compress=None, |
| owner=owner, group=group) |
| finally: |
| os.chdir(old_dir) |
| |
| # check if the compressed tarball was created |
| self.assertTrue(os.path.exists(archive_name)) |
| |
| # now checks the rights |
| archive = tarfile.open(archive_name) |
| try: |
| for member in archive.getmembers(): |
| self.assertEqual(member.uid, 0) |
| self.assertEqual(member.gid, 0) |
| finally: |
| archive.close() |
| |
| def test_make_archive_cwd(self): |
| current_dir = os.getcwd() |
| def _breaks(*args, **kw): |
| raise RuntimeError() |
| |
| register_archive_format('xxx', _breaks, [], 'xxx file') |
| try: |
| try: |
| make_archive('xxx', 'xxx', root_dir=self.mkdtemp()) |
| except Exception: |
| pass |
| self.assertEqual(os.getcwd(), current_dir) |
| finally: |
| unregister_archive_format('xxx') |
| |
| def test_register_archive_format(self): |
| |
| self.assertRaises(TypeError, register_archive_format, 'xxx', 1) |
| self.assertRaises(TypeError, register_archive_format, 'xxx', lambda: x, |
| 1) |
| self.assertRaises(TypeError, register_archive_format, 'xxx', lambda: x, |
| [(1, 2), (1, 2, 3)]) |
| |
| register_archive_format('xxx', lambda: x, [(1, 2)], 'xxx file') |
| formats = [name for name, params in get_archive_formats()] |
| self.assertIn('xxx', formats) |
| |
| unregister_archive_format('xxx') |
| formats = [name for name, params in get_archive_formats()] |
| self.assertNotIn('xxx', formats) |
| |
| def _compare_dirs(self, dir1, dir2): |
| # check that dir1 and dir2 are equivalent, |
| # return the diff |
| diff = [] |
| for root, dirs, files in os.walk(dir1): |
| for file_ in files: |
| path = os.path.join(root, file_) |
| target_path = os.path.join(dir2, os.path.split(path)[-1]) |
| if not os.path.exists(target_path): |
| diff.append(file_) |
| return diff |
| |
| @unittest.skipUnless(zlib, "Requires zlib") |
| def test_unpack_archive(self): |
| formats = ['tar', 'gztar', 'zip'] |
| if BZ2_SUPPORTED: |
| formats.append('bztar') |
| |
| for format in formats: |
| tmpdir = self.mkdtemp() |
| base_dir, root_dir, base_name = self._create_files() |
| tmpdir2 = self.mkdtemp() |
| filename = make_archive(base_name, format, root_dir, base_dir) |
| |
| # let's try to unpack it now |
| unpack_archive(filename, tmpdir2) |
| diff = self._compare_dirs(tmpdir, tmpdir2) |
| self.assertEqual(diff, []) |
| |
| # and again, this time with the format specified |
| tmpdir3 = self.mkdtemp() |
| unpack_archive(filename, tmpdir3, format=format) |
| diff = self._compare_dirs(tmpdir, tmpdir3) |
| self.assertEqual(diff, []) |
| self.assertRaises(shutil.ReadError, unpack_archive, TESTFN) |
| self.assertRaises(ValueError, unpack_archive, TESTFN, format='xxx') |
| |
| def test_unpack_registery(self): |
| |
| formats = get_unpack_formats() |
| |
| def _boo(filename, extract_dir, extra): |
| self.assertEqual(extra, 1) |
| self.assertEqual(filename, 'stuff.boo') |
| self.assertEqual(extract_dir, 'xx') |
| |
| register_unpack_format('Boo', ['.boo', '.b2'], _boo, [('extra', 1)]) |
| unpack_archive('stuff.boo', 'xx') |
| |
| # trying to register a .boo unpacker again |
| self.assertRaises(RegistryError, register_unpack_format, 'Boo2', |
| ['.boo'], _boo) |
| |
| # should work now |
| unregister_unpack_format('Boo') |
| register_unpack_format('Boo2', ['.boo'], _boo) |
| self.assertIn(('Boo2', ['.boo'], ''), get_unpack_formats()) |
| self.assertNotIn(('Boo', ['.boo'], ''), get_unpack_formats()) |
| |
| # let's leave a clean state |
| unregister_unpack_format('Boo2') |
| self.assertEqual(get_unpack_formats(), formats) |
| |
| |
| class TestMove(unittest.TestCase): |
| |
| def setUp(self): |
| filename = "foo" |
| self.src_dir = tempfile.mkdtemp() |
| self.dst_dir = tempfile.mkdtemp() |
| self.src_file = os.path.join(self.src_dir, filename) |
| self.dst_file = os.path.join(self.dst_dir, filename) |
| with open(self.src_file, "wb") as f: |
| f.write(b"spam") |
| |
| def tearDown(self): |
| for d in (self.src_dir, self.dst_dir): |
| try: |
| if d: |
| shutil.rmtree(d) |
| except: |
| pass |
| |
| def _check_move_file(self, src, dst, real_dst): |
| with open(src, "rb") as f: |
| contents = f.read() |
| shutil.move(src, dst) |
| with open(real_dst, "rb") as f: |
| self.assertEqual(contents, f.read()) |
| self.assertFalse(os.path.exists(src)) |
| |
| def _check_move_dir(self, src, dst, real_dst): |
| contents = sorted(os.listdir(src)) |
| shutil.move(src, dst) |
| self.assertEqual(contents, sorted(os.listdir(real_dst))) |
| self.assertFalse(os.path.exists(src)) |
| |
| def test_move_file(self): |
| # Move a file to another location on the same filesystem. |
| self._check_move_file(self.src_file, self.dst_file, self.dst_file) |
| |
| def test_move_file_to_dir(self): |
| # Move a file inside an existing dir on the same filesystem. |
| self._check_move_file(self.src_file, self.dst_dir, self.dst_file) |
| |
| @mock_rename |
| def test_move_file_other_fs(self): |
| # Move a file to an existing dir on another filesystem. |
| self.test_move_file() |
| |
| @mock_rename |
| def test_move_file_to_dir_other_fs(self): |
| # Move a file to another location on another filesystem. |
| self.test_move_file_to_dir() |
| |
| def test_move_dir(self): |
| # Move a dir to another location on the same filesystem. |
| dst_dir = tempfile.mktemp() |
| try: |
| self._check_move_dir(self.src_dir, dst_dir, dst_dir) |
| finally: |
| try: |
| shutil.rmtree(dst_dir) |
| except: |
| pass |
| |
| @mock_rename |
| def test_move_dir_other_fs(self): |
| # Move a dir to another location on another filesystem. |
| self.test_move_dir() |
| |
| def test_move_dir_to_dir(self): |
| # Move a dir inside an existing dir on the same filesystem. |
| self._check_move_dir(self.src_dir, self.dst_dir, |
| os.path.join(self.dst_dir, os.path.basename(self.src_dir))) |
| |
| @mock_rename |
| def test_move_dir_to_dir_other_fs(self): |
| # Move a dir inside an existing dir on another filesystem. |
| self.test_move_dir_to_dir() |
| |
| def test_existing_file_inside_dest_dir(self): |
| # A file with the same name inside the destination dir already exists. |
| with open(self.dst_file, "wb"): |
| pass |
| self.assertRaises(shutil.Error, shutil.move, self.src_file, self.dst_dir) |
| |
| def test_dont_move_dir_in_itself(self): |
| # Moving a dir inside itself raises an Error. |
| dst = os.path.join(self.src_dir, "bar") |
| self.assertRaises(shutil.Error, shutil.move, self.src_dir, dst) |
| |
| def test_destinsrc_false_negative(self): |
| os.mkdir(TESTFN) |
| try: |
| for src, dst in [('srcdir', 'srcdir/dest')]: |
| src = os.path.join(TESTFN, src) |
| dst = os.path.join(TESTFN, dst) |
| self.assertTrue(shutil._destinsrc(src, dst), |
| msg='_destinsrc() wrongly concluded that ' |
| 'dst (%s) is not in src (%s)' % (dst, src)) |
| finally: |
| shutil.rmtree(TESTFN, ignore_errors=True) |
| |
| def test_destinsrc_false_positive(self): |
| os.mkdir(TESTFN) |
| try: |
| for src, dst in [('srcdir', 'src/dest'), ('srcdir', 'srcdir.new')]: |
| src = os.path.join(TESTFN, src) |
| dst = os.path.join(TESTFN, dst) |
| self.assertFalse(shutil._destinsrc(src, dst), |
| msg='_destinsrc() wrongly concluded that ' |
| 'dst (%s) is in src (%s)' % (dst, src)) |
| finally: |
| shutil.rmtree(TESTFN, ignore_errors=True) |
| |
| |
| class TestCopyFile(unittest.TestCase): |
| |
| _delete = False |
| |
| class Faux(object): |
| _entered = False |
| _exited_with = None |
| _raised = False |
| def __init__(self, raise_in_exit=False, suppress_at_exit=True): |
| self._raise_in_exit = raise_in_exit |
| self._suppress_at_exit = suppress_at_exit |
| def read(self, *args): |
| return '' |
| def __enter__(self): |
| self._entered = True |
| def __exit__(self, exc_type, exc_val, exc_tb): |
| self._exited_with = exc_type, exc_val, exc_tb |
| if self._raise_in_exit: |
| self._raised = True |
| raise IOError("Cannot close") |
| return self._suppress_at_exit |
| |
| def tearDown(self): |
| if self._delete: |
| del shutil.open |
| |
| def _set_shutil_open(self, func): |
| shutil.open = func |
| self._delete = True |
| |
| def test_w_source_open_fails(self): |
| def _open(filename, mode='r'): |
| if filename == 'srcfile': |
| raise IOError('Cannot open "srcfile"') |
| assert 0 # shouldn't reach here. |
| |
| self._set_shutil_open(_open) |
| |
| self.assertRaises(IOError, shutil.copyfile, 'srcfile', 'destfile') |
| |
| def test_w_dest_open_fails(self): |
| |
| srcfile = self.Faux() |
| |
| def _open(filename, mode='r'): |
| if filename == 'srcfile': |
| return srcfile |
| if filename == 'destfile': |
| raise IOError('Cannot open "destfile"') |
| assert 0 # shouldn't reach here. |
| |
| self._set_shutil_open(_open) |
| |
| shutil.copyfile('srcfile', 'destfile') |
| self.assertTrue(srcfile._entered) |
| self.assertTrue(srcfile._exited_with[0] is IOError) |
| self.assertEqual(srcfile._exited_with[1].args, |
| ('Cannot open "destfile"',)) |
| |
| def test_w_dest_close_fails(self): |
| |
| srcfile = self.Faux() |
| destfile = self.Faux(True) |
| |
| def _open(filename, mode='r'): |
| if filename == 'srcfile': |
| return srcfile |
| if filename == 'destfile': |
| return destfile |
| assert 0 # shouldn't reach here. |
| |
| self._set_shutil_open(_open) |
| |
| shutil.copyfile('srcfile', 'destfile') |
| self.assertTrue(srcfile._entered) |
| self.assertTrue(destfile._entered) |
| self.assertTrue(destfile._raised) |
| self.assertTrue(srcfile._exited_with[0] is IOError) |
| self.assertEqual(srcfile._exited_with[1].args, |
| ('Cannot close',)) |
| |
| def test_w_source_close_fails(self): |
| |
| srcfile = self.Faux(True) |
| destfile = self.Faux() |
| |
| def _open(filename, mode='r'): |
| if filename == 'srcfile': |
| return srcfile |
| if filename == 'destfile': |
| return destfile |
| assert 0 # shouldn't reach here. |
| |
| self._set_shutil_open(_open) |
| |
| self.assertRaises(IOError, |
| shutil.copyfile, 'srcfile', 'destfile') |
| self.assertTrue(srcfile._entered) |
| self.assertTrue(destfile._entered) |
| self.assertFalse(destfile._raised) |
| self.assertTrue(srcfile._exited_with[0] is None) |
| self.assertTrue(srcfile._raised) |
| |
| def test_move_dir_caseinsensitive(self): |
| # Renames a folder to the same name |
| # but a different case. |
| |
| self.src_dir = tempfile.mkdtemp() |
| dst_dir = os.path.join( |
| os.path.dirname(self.src_dir), |
| os.path.basename(self.src_dir).upper()) |
| self.assertNotEqual(self.src_dir, dst_dir) |
| |
| try: |
| shutil.move(self.src_dir, dst_dir) |
| self.assertTrue(os.path.isdir(dst_dir)) |
| finally: |
| if os.path.exists(dst_dir): |
| os.rmdir(dst_dir) |
| |
| |
| |
| def test_main(): |
| support.run_unittest(TestShutil, TestMove, TestCopyFile) |
| |
| if __name__ == '__main__': |
| test_main() |