| # Copyright (C) 2003 Python Software Foundation | 
 |  | 
 | import unittest | 
 | import unittest.mock | 
 | import shutil | 
 | import tempfile | 
 | import sys | 
 | import stat | 
 | import os | 
 | import os.path | 
 | import errno | 
 | import functools | 
 | import subprocess | 
 | from contextlib import ExitStack | 
 | from shutil import (make_archive, | 
 |                     register_archive_format, unregister_archive_format, | 
 |                     get_archive_formats, Error, unpack_archive, | 
 |                     register_unpack_format, RegistryError, | 
 |                     unregister_unpack_format, get_unpack_formats, | 
 |                     SameFileError) | 
 | import tarfile | 
 | import warnings | 
 |  | 
 | from test import support | 
 | from test.support import TESTFN, check_warnings, captured_stdout, requires_zlib | 
 |  | 
 | try: | 
 |     import bz2 | 
 |     BZ2_SUPPORTED = True | 
 | except ImportError: | 
 |     BZ2_SUPPORTED = False | 
 |  | 
 | try: | 
 |     import lzma | 
 |     LZMA_SUPPORTED = True | 
 | except ImportError: | 
 |     LZMA_SUPPORTED = False | 
 |  | 
 | TESTFN2 = TESTFN + "2" | 
 |  | 
 | try: | 
 |     import grp | 
 |     import pwd | 
 |     UID_GID_SUPPORT = True | 
 | except ImportError: | 
 |     UID_GID_SUPPORT = False | 
 |  | 
 | try: | 
 |     import zipfile | 
 |     ZIP_SUPPORT = True | 
 | except ImportError: | 
 |     ZIP_SUPPORT = shutil.which('zip') | 
 |  | 
 | def _fake_rename(*args, **kwargs): | 
 |     # Pretend the destination path is on a different filesystem. | 
 |     raise OSError(getattr(errno, 'EXDEV', 18), "Invalid cross-device link") | 
 |  | 
 | 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 | 
 |  | 
 | def write_file(path, content, binary=False): | 
 |     """Write *content* to a file located at *path*. | 
 |  | 
 |     If *path* is a tuple instead of a string, os.path.join will be used to | 
 |     make a path.  If *binary* is true, the file will be opened in binary | 
 |     mode. | 
 |     """ | 
 |     if isinstance(path, tuple): | 
 |         path = os.path.join(*path) | 
 |     with open(path, 'wb' if binary else 'w') as fp: | 
 |         fp.write(content) | 
 |  | 
 | def read_file(path, binary=False): | 
 |     """Return contents from a file located at *path*. | 
 |  | 
 |     If *path* is a tuple instead of a string, os.path.join will be used to | 
 |     make a path.  If *binary* is true, the file will be opened in binary | 
 |     mode. | 
 |     """ | 
 |     if isinstance(path, tuple): | 
 |         path = os.path.join(*path) | 
 |     with open(path, 'rb' if binary else 'r') as fp: | 
 |         return fp.read() | 
 |  | 
 | def rlistdir(path): | 
 |     res = [] | 
 |     for name in sorted(os.listdir(path)): | 
 |         p = os.path.join(path, name) | 
 |         if os.path.isdir(p) and not os.path.islink(p): | 
 |             res.append(name + '/') | 
 |             for n in rlistdir(p): | 
 |                 res.append(name + '/' + n) | 
 |         else: | 
 |             res.append(name) | 
 |     return res | 
 |  | 
 |  | 
 | 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 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 | 
 |  | 
 |     def test_rmtree_works_on_bytes(self): | 
 |         tmp = self.mkdtemp() | 
 |         victim = os.path.join(tmp, 'killme') | 
 |         os.mkdir(victim) | 
 |         write_file(os.path.join(victim, 'somefile'), 'foo') | 
 |         victim = os.fsencode(victim) | 
 |         self.assertIsInstance(victim, bytes) | 
 |         shutil.rmtree(victim) | 
 |  | 
 |     @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) | 
 |  | 
 |     @support.skip_unless_symlink | 
 |     def test_rmtree_works_on_symlinks(self): | 
 |         tmp = self.mkdtemp() | 
 |         dir1 = os.path.join(tmp, 'dir1') | 
 |         dir2 = os.path.join(dir1, 'dir2') | 
 |         dir3 = os.path.join(tmp, 'dir3') | 
 |         for d in dir1, dir2, dir3: | 
 |             os.mkdir(d) | 
 |         file1 = os.path.join(tmp, 'file1') | 
 |         write_file(file1, 'foo') | 
 |         link1 = os.path.join(dir1, 'link1') | 
 |         os.symlink(dir2, link1) | 
 |         link2 = os.path.join(dir1, 'link2') | 
 |         os.symlink(dir3, link2) | 
 |         link3 = os.path.join(dir1, 'link3') | 
 |         os.symlink(file1, link3) | 
 |         # make sure symlinks are removed but not followed | 
 |         shutil.rmtree(dir1) | 
 |         self.assertFalse(os.path.exists(dir1)) | 
 |         self.assertTrue(os.path.exists(dir3)) | 
 |         self.assertTrue(os.path.exists(file1)) | 
 |  | 
 |     def test_rmtree_errors(self): | 
 |         # filename is guaranteed not to exist | 
 |         filename = tempfile.mktemp() | 
 |         self.assertRaises(FileNotFoundError, shutil.rmtree, filename) | 
 |         # test that ignore_errors option is honored | 
 |         shutil.rmtree(filename, ignore_errors=True) | 
 |  | 
 |         # existing file | 
 |         tmpdir = self.mkdtemp() | 
 |         write_file((tmpdir, "tstfile"), "") | 
 |         filename = os.path.join(tmpdir, "tstfile") | 
 |         with self.assertRaises(NotADirectoryError) 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], NotADirectoryError) | 
 |         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], NotADirectoryError) | 
 |         self.assertIn(errors[1][2][1].filename, possible_args) | 
 |  | 
 |  | 
 |     @unittest.skipUnless(hasattr(os, 'chmod'), 'requires os.chmod()') | 
 |     @unittest.skipIf(sys.platform[:6] == 'cygwin', | 
 |                      "This test can't be run on Cygwin (issue #1071513).") | 
 |     @unittest.skipIf(hasattr(os, 'geteuid') and os.geteuid() == 0, | 
 |                      "This test can't be run reliably as root (issue #1076467).") | 
 |     def test_on_error(self): | 
 |         self.errorState = 0 | 
 |         os.mkdir(TESTFN) | 
 |         self.addCleanup(shutil.rmtree, TESTFN) | 
 |  | 
 |         self.child_file_path = os.path.join(TESTFN, 'a') | 
 |         self.child_dir_path = os.path.join(TESTFN, 'b') | 
 |         support.create_empty_file(self.child_file_path) | 
 |         os.mkdir(self.child_dir_path) | 
 |         old_dir_mode = os.stat(TESTFN).st_mode | 
 |         old_child_file_mode = os.stat(self.child_file_path).st_mode | 
 |         old_child_dir_mode = os.stat(self.child_dir_path).st_mode | 
 |         # Make unwritable. | 
 |         new_mode = stat.S_IREAD|stat.S_IEXEC | 
 |         os.chmod(self.child_file_path, new_mode) | 
 |         os.chmod(self.child_dir_path, new_mode) | 
 |         os.chmod(TESTFN, new_mode) | 
 |  | 
 |         self.addCleanup(os.chmod, TESTFN, old_dir_mode) | 
 |         self.addCleanup(os.chmod, self.child_file_path, old_child_file_mode) | 
 |         self.addCleanup(os.chmod, self.child_dir_path, old_child_dir_mode) | 
 |  | 
 |         shutil.rmtree(TESTFN, onerror=self.check_args_to_onerror) | 
 |         # Test whether onerror has actually been called. | 
 |         self.assertEqual(self.errorState, 3, | 
 |                          "Expected call to onerror function did not happen.") | 
 |  | 
 |     def check_args_to_onerror(self, func, arg, exc): | 
 |         # test_rmtree_errors deliberately runs rmtree | 
 |         # on a directory that is chmod 500, 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 < 2: | 
 |             if func is os.unlink: | 
 |                 self.assertEqual(arg, self.child_file_path) | 
 |             elif func is os.rmdir: | 
 |                 self.assertEqual(arg, self.child_dir_path) | 
 |             else: | 
 |                 self.assertIs(func, os.listdir) | 
 |                 self.assertIn(arg, [TESTFN, self.child_dir_path]) | 
 |             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 = 3 | 
 |  | 
 |     def test_rmtree_does_not_choke_on_failing_lstat(self): | 
 |         try: | 
 |             orig_lstat = os.lstat | 
 |             def raiser(fn, *args, **kwargs): | 
 |                 if fn != TESTFN: | 
 |                     raise OSError() | 
 |                 else: | 
 |                     return orig_lstat(fn) | 
 |             os.lstat = raiser | 
 |  | 
 |             os.mkdir(TESTFN) | 
 |             write_file((TESTFN, 'foo'), 'foo') | 
 |             shutil.rmtree(TESTFN) | 
 |         finally: | 
 |             os.lstat = orig_lstat | 
 |  | 
 |     @unittest.skipUnless(hasattr(os, 'chmod'), 'requires os.chmod') | 
 |     @support.skip_unless_symlink | 
 |     def test_copymode_follow_symlinks(self): | 
 |         tmp_dir = self.mkdtemp() | 
 |         src = os.path.join(tmp_dir, 'foo') | 
 |         dst = os.path.join(tmp_dir, 'bar') | 
 |         src_link = os.path.join(tmp_dir, 'baz') | 
 |         dst_link = os.path.join(tmp_dir, 'quux') | 
 |         write_file(src, 'foo') | 
 |         write_file(dst, 'foo') | 
 |         os.symlink(src, src_link) | 
 |         os.symlink(dst, dst_link) | 
 |         os.chmod(src, stat.S_IRWXU|stat.S_IRWXG) | 
 |         # file to file | 
 |         os.chmod(dst, stat.S_IRWXO) | 
 |         self.assertNotEqual(os.stat(src).st_mode, os.stat(dst).st_mode) | 
 |         shutil.copymode(src, dst) | 
 |         self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode) | 
 |         # On Windows, os.chmod does not follow symlinks (issue #15411) | 
 |         if os.name != 'nt': | 
 |             # follow src link | 
 |             os.chmod(dst, stat.S_IRWXO) | 
 |             shutil.copymode(src_link, dst) | 
 |             self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode) | 
 |             # follow dst link | 
 |             os.chmod(dst, stat.S_IRWXO) | 
 |             shutil.copymode(src, dst_link) | 
 |             self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode) | 
 |             # follow both links | 
 |             os.chmod(dst, stat.S_IRWXO) | 
 |             shutil.copymode(src_link, dst_link) | 
 |             self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode) | 
 |  | 
 |     @unittest.skipUnless(hasattr(os, 'lchmod'), 'requires os.lchmod') | 
 |     @support.skip_unless_symlink | 
 |     def test_copymode_symlink_to_symlink(self): | 
 |         tmp_dir = self.mkdtemp() | 
 |         src = os.path.join(tmp_dir, 'foo') | 
 |         dst = os.path.join(tmp_dir, 'bar') | 
 |         src_link = os.path.join(tmp_dir, 'baz') | 
 |         dst_link = os.path.join(tmp_dir, 'quux') | 
 |         write_file(src, 'foo') | 
 |         write_file(dst, 'foo') | 
 |         os.symlink(src, src_link) | 
 |         os.symlink(dst, dst_link) | 
 |         os.chmod(src, stat.S_IRWXU|stat.S_IRWXG) | 
 |         os.chmod(dst, stat.S_IRWXU) | 
 |         os.lchmod(src_link, stat.S_IRWXO|stat.S_IRWXG) | 
 |         # link to link | 
 |         os.lchmod(dst_link, stat.S_IRWXO) | 
 |         shutil.copymode(src_link, dst_link, follow_symlinks=False) | 
 |         self.assertEqual(os.lstat(src_link).st_mode, | 
 |                          os.lstat(dst_link).st_mode) | 
 |         self.assertNotEqual(os.stat(src).st_mode, os.stat(dst).st_mode) | 
 |         # src link - use chmod | 
 |         os.lchmod(dst_link, stat.S_IRWXO) | 
 |         shutil.copymode(src_link, dst, follow_symlinks=False) | 
 |         self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode) | 
 |         # dst link - use chmod | 
 |         os.lchmod(dst_link, stat.S_IRWXO) | 
 |         shutil.copymode(src, dst_link, follow_symlinks=False) | 
 |         self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode) | 
 |  | 
 |     @unittest.skipIf(hasattr(os, 'lchmod'), 'requires os.lchmod to be missing') | 
 |     @support.skip_unless_symlink | 
 |     def test_copymode_symlink_to_symlink_wo_lchmod(self): | 
 |         tmp_dir = self.mkdtemp() | 
 |         src = os.path.join(tmp_dir, 'foo') | 
 |         dst = os.path.join(tmp_dir, 'bar') | 
 |         src_link = os.path.join(tmp_dir, 'baz') | 
 |         dst_link = os.path.join(tmp_dir, 'quux') | 
 |         write_file(src, 'foo') | 
 |         write_file(dst, 'foo') | 
 |         os.symlink(src, src_link) | 
 |         os.symlink(dst, dst_link) | 
 |         shutil.copymode(src_link, dst_link, follow_symlinks=False)  # silent fail | 
 |  | 
 |     @support.skip_unless_symlink | 
 |     def test_copystat_symlinks(self): | 
 |         tmp_dir = self.mkdtemp() | 
 |         src = os.path.join(tmp_dir, 'foo') | 
 |         dst = os.path.join(tmp_dir, 'bar') | 
 |         src_link = os.path.join(tmp_dir, 'baz') | 
 |         dst_link = os.path.join(tmp_dir, 'qux') | 
 |         write_file(src, 'foo') | 
 |         src_stat = os.stat(src) | 
 |         os.utime(src, (src_stat.st_atime, | 
 |                        src_stat.st_mtime - 42.0))  # ensure different mtimes | 
 |         write_file(dst, 'bar') | 
 |         self.assertNotEqual(os.stat(src).st_mtime, os.stat(dst).st_mtime) | 
 |         os.symlink(src, src_link) | 
 |         os.symlink(dst, dst_link) | 
 |         if hasattr(os, 'lchmod'): | 
 |             os.lchmod(src_link, stat.S_IRWXO) | 
 |         if hasattr(os, 'lchflags') and hasattr(stat, 'UF_NODUMP'): | 
 |             os.lchflags(src_link, stat.UF_NODUMP) | 
 |         src_link_stat = os.lstat(src_link) | 
 |         # follow | 
 |         if hasattr(os, 'lchmod'): | 
 |             shutil.copystat(src_link, dst_link, follow_symlinks=True) | 
 |             self.assertNotEqual(src_link_stat.st_mode, os.stat(dst).st_mode) | 
 |         # don't follow | 
 |         shutil.copystat(src_link, dst_link, follow_symlinks=False) | 
 |         dst_link_stat = os.lstat(dst_link) | 
 |         if os.utime in os.supports_follow_symlinks: | 
 |             for attr in 'st_atime', 'st_mtime': | 
 |                 # The modification times may be truncated in the new file. | 
 |                 self.assertLessEqual(getattr(src_link_stat, attr), | 
 |                                      getattr(dst_link_stat, attr) + 1) | 
 |         if hasattr(os, 'lchmod'): | 
 |             self.assertEqual(src_link_stat.st_mode, dst_link_stat.st_mode) | 
 |         if hasattr(os, 'lchflags') and hasattr(src_link_stat, 'st_flags'): | 
 |             self.assertEqual(src_link_stat.st_flags, dst_link_stat.st_flags) | 
 |         # tell to follow but dst is not a link | 
 |         shutil.copystat(src_link, dst, follow_symlinks=False) | 
 |         self.assertTrue(abs(os.stat(src).st_mtime - os.stat(dst).st_mtime) < | 
 |                         00000.1) | 
 |  | 
 |     @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') | 
 |         write_file(file1, 'xxx') | 
 |         write_file(file2, 'xxx') | 
 |  | 
 |         def make_chflags_raiser(err): | 
 |             ex = OSError() | 
 |  | 
 |             def _chflags_raiser(path, flags, *, follow_symlinks=True): | 
 |                 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_xattr | 
 |     def test_copyxattr(self): | 
 |         tmp_dir = self.mkdtemp() | 
 |         src = os.path.join(tmp_dir, 'foo') | 
 |         write_file(src, 'foo') | 
 |         dst = os.path.join(tmp_dir, 'bar') | 
 |         write_file(dst, 'bar') | 
 |  | 
 |         # no xattr == no problem | 
 |         shutil._copyxattr(src, dst) | 
 |         # common case | 
 |         os.setxattr(src, 'user.foo', b'42') | 
 |         os.setxattr(src, 'user.bar', b'43') | 
 |         shutil._copyxattr(src, dst) | 
 |         self.assertEqual(sorted(os.listxattr(src)), sorted(os.listxattr(dst))) | 
 |         self.assertEqual( | 
 |                 os.getxattr(src, 'user.foo'), | 
 |                 os.getxattr(dst, 'user.foo')) | 
 |         # check errors don't affect other attrs | 
 |         os.remove(dst) | 
 |         write_file(dst, 'bar') | 
 |         os_error = OSError(errno.EPERM, 'EPERM') | 
 |  | 
 |         def _raise_on_user_foo(fname, attr, val, **kwargs): | 
 |             if attr == 'user.foo': | 
 |                 raise os_error | 
 |             else: | 
 |                 orig_setxattr(fname, attr, val, **kwargs) | 
 |         try: | 
 |             orig_setxattr = os.setxattr | 
 |             os.setxattr = _raise_on_user_foo | 
 |             shutil._copyxattr(src, dst) | 
 |             self.assertIn('user.bar', os.listxattr(dst)) | 
 |         finally: | 
 |             os.setxattr = orig_setxattr | 
 |         # the source filesystem not supporting xattrs should be ok, too. | 
 |         def _raise_on_src(fname, *, follow_symlinks=True): | 
 |             if fname == src: | 
 |                 raise OSError(errno.ENOTSUP, 'Operation not supported') | 
 |             return orig_listxattr(fname, follow_symlinks=follow_symlinks) | 
 |         try: | 
 |             orig_listxattr = os.listxattr | 
 |             os.listxattr = _raise_on_src | 
 |             shutil._copyxattr(src, dst) | 
 |         finally: | 
 |             os.listxattr = orig_listxattr | 
 |  | 
 |         # test that shutil.copystat copies xattrs | 
 |         src = os.path.join(tmp_dir, 'the_original') | 
 |         write_file(src, src) | 
 |         os.setxattr(src, 'user.the_value', b'fiddly') | 
 |         dst = os.path.join(tmp_dir, 'the_copy') | 
 |         write_file(dst, dst) | 
 |         shutil.copystat(src, dst) | 
 |         self.assertEqual(os.getxattr(dst, 'user.the_value'), b'fiddly') | 
 |  | 
 |     @support.skip_unless_symlink | 
 |     @support.skip_unless_xattr | 
 |     @unittest.skipUnless(hasattr(os, 'geteuid') and os.geteuid() == 0, | 
 |                          'root privileges required') | 
 |     def test_copyxattr_symlinks(self): | 
 |         # On Linux, it's only possible to access non-user xattr for symlinks; | 
 |         # which in turn require root privileges. This test should be expanded | 
 |         # as soon as other platforms gain support for extended attributes. | 
 |         tmp_dir = self.mkdtemp() | 
 |         src = os.path.join(tmp_dir, 'foo') | 
 |         src_link = os.path.join(tmp_dir, 'baz') | 
 |         write_file(src, 'foo') | 
 |         os.symlink(src, src_link) | 
 |         os.setxattr(src, 'trusted.foo', b'42') | 
 |         os.setxattr(src_link, 'trusted.foo', b'43', follow_symlinks=False) | 
 |         dst = os.path.join(tmp_dir, 'bar') | 
 |         dst_link = os.path.join(tmp_dir, 'qux') | 
 |         write_file(dst, 'bar') | 
 |         os.symlink(dst, dst_link) | 
 |         shutil._copyxattr(src_link, dst_link, follow_symlinks=False) | 
 |         self.assertEqual(os.getxattr(dst_link, 'trusted.foo', follow_symlinks=False), b'43') | 
 |         self.assertRaises(OSError, os.getxattr, dst, 'trusted.foo') | 
 |         shutil._copyxattr(src_link, dst, follow_symlinks=False) | 
 |         self.assertEqual(os.getxattr(dst, 'trusted.foo'), b'43') | 
 |  | 
 |     @support.skip_unless_symlink | 
 |     def test_copy_symlinks(self): | 
 |         tmp_dir = self.mkdtemp() | 
 |         src = os.path.join(tmp_dir, 'foo') | 
 |         dst = os.path.join(tmp_dir, 'bar') | 
 |         src_link = os.path.join(tmp_dir, 'baz') | 
 |         write_file(src, 'foo') | 
 |         os.symlink(src, src_link) | 
 |         if hasattr(os, 'lchmod'): | 
 |             os.lchmod(src_link, stat.S_IRWXU | stat.S_IRWXO) | 
 |         # don't follow | 
 |         shutil.copy(src_link, dst, follow_symlinks=True) | 
 |         self.assertFalse(os.path.islink(dst)) | 
 |         self.assertEqual(read_file(src), read_file(dst)) | 
 |         os.remove(dst) | 
 |         # follow | 
 |         shutil.copy(src_link, dst, follow_symlinks=False) | 
 |         self.assertTrue(os.path.islink(dst)) | 
 |         self.assertEqual(os.readlink(dst), os.readlink(src_link)) | 
 |         if hasattr(os, 'lchmod'): | 
 |             self.assertEqual(os.lstat(src_link).st_mode, | 
 |                              os.lstat(dst).st_mode) | 
 |  | 
 |     @support.skip_unless_symlink | 
 |     def test_copy2_symlinks(self): | 
 |         tmp_dir = self.mkdtemp() | 
 |         src = os.path.join(tmp_dir, 'foo') | 
 |         dst = os.path.join(tmp_dir, 'bar') | 
 |         src_link = os.path.join(tmp_dir, 'baz') | 
 |         write_file(src, 'foo') | 
 |         os.symlink(src, src_link) | 
 |         if hasattr(os, 'lchmod'): | 
 |             os.lchmod(src_link, stat.S_IRWXU | stat.S_IRWXO) | 
 |         if hasattr(os, 'lchflags') and hasattr(stat, 'UF_NODUMP'): | 
 |             os.lchflags(src_link, stat.UF_NODUMP) | 
 |         src_stat = os.stat(src) | 
 |         src_link_stat = os.lstat(src_link) | 
 |         # follow | 
 |         shutil.copy2(src_link, dst, follow_symlinks=True) | 
 |         self.assertFalse(os.path.islink(dst)) | 
 |         self.assertEqual(read_file(src), read_file(dst)) | 
 |         os.remove(dst) | 
 |         # don't follow | 
 |         shutil.copy2(src_link, dst, follow_symlinks=False) | 
 |         self.assertTrue(os.path.islink(dst)) | 
 |         self.assertEqual(os.readlink(dst), os.readlink(src_link)) | 
 |         dst_stat = os.lstat(dst) | 
 |         if os.utime in os.supports_follow_symlinks: | 
 |             for attr in 'st_atime', 'st_mtime': | 
 |                 # The modification times may be truncated in the new file. | 
 |                 self.assertLessEqual(getattr(src_link_stat, attr), | 
 |                                      getattr(dst_stat, attr) + 1) | 
 |         if hasattr(os, 'lchmod'): | 
 |             self.assertEqual(src_link_stat.st_mode, dst_stat.st_mode) | 
 |             self.assertNotEqual(src_stat.st_mode, dst_stat.st_mode) | 
 |         if hasattr(os, 'lchflags') and hasattr(src_link_stat, 'st_flags'): | 
 |             self.assertEqual(src_link_stat.st_flags, dst_stat.st_flags) | 
 |  | 
 |     @support.skip_unless_xattr | 
 |     def test_copy2_xattr(self): | 
 |         tmp_dir = self.mkdtemp() | 
 |         src = os.path.join(tmp_dir, 'foo') | 
 |         dst = os.path.join(tmp_dir, 'bar') | 
 |         write_file(src, 'foo') | 
 |         os.setxattr(src, 'user.foo', b'42') | 
 |         shutil.copy2(src, dst) | 
 |         self.assertEqual( | 
 |                 os.getxattr(src, 'user.foo'), | 
 |                 os.getxattr(dst, 'user.foo')) | 
 |         os.remove(dst) | 
 |  | 
 |     @support.skip_unless_symlink | 
 |     def test_copyfile_symlinks(self): | 
 |         tmp_dir = self.mkdtemp() | 
 |         src = os.path.join(tmp_dir, 'src') | 
 |         dst = os.path.join(tmp_dir, 'dst') | 
 |         dst_link = os.path.join(tmp_dir, 'dst_link') | 
 |         link = os.path.join(tmp_dir, 'link') | 
 |         write_file(src, 'foo') | 
 |         os.symlink(src, link) | 
 |         # don't follow | 
 |         shutil.copyfile(link, dst_link, follow_symlinks=False) | 
 |         self.assertTrue(os.path.islink(dst_link)) | 
 |         self.assertEqual(os.readlink(link), os.readlink(dst_link)) | 
 |         # follow | 
 |         shutil.copyfile(link, dst) | 
 |         self.assertFalse(os.path.islink(dst)) | 
 |  | 
 |     def test_rmtree_uses_safe_fd_version_if_available(self): | 
 |         _use_fd_functions = ({os.open, os.stat, os.unlink, os.rmdir} <= | 
 |                              os.supports_dir_fd and | 
 |                              os.listdir in os.supports_fd and | 
 |                              os.stat in os.supports_follow_symlinks) | 
 |         if _use_fd_functions: | 
 |             self.assertTrue(shutil._use_fd_functions) | 
 |             self.assertTrue(shutil.rmtree.avoids_symlink_attacks) | 
 |             tmp_dir = self.mkdtemp() | 
 |             d = os.path.join(tmp_dir, 'a') | 
 |             os.mkdir(d) | 
 |             try: | 
 |                 real_rmtree = shutil._rmtree_safe_fd | 
 |                 class Called(Exception): pass | 
 |                 def _raiser(*args, **kwargs): | 
 |                     raise Called | 
 |                 shutil._rmtree_safe_fd = _raiser | 
 |                 self.assertRaises(Called, shutil.rmtree, d) | 
 |             finally: | 
 |                 shutil._rmtree_safe_fd = real_rmtree | 
 |         else: | 
 |             self.assertFalse(shutil._use_fd_functions) | 
 |             self.assertFalse(shutil.rmtree.avoids_symlink_attacks) | 
 |  | 
 |     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.close(handle) | 
 |         self.assertRaises(NotADirectoryError, shutil.rmtree, path) | 
 |         os.remove(path) | 
 |  | 
 |     def test_copytree_simple(self): | 
 |         src_dir = tempfile.mkdtemp() | 
 |         dst_dir = os.path.join(tempfile.mkdtemp(), 'destination') | 
 |         self.addCleanup(shutil.rmtree, src_dir) | 
 |         self.addCleanup(shutil.rmtree, os.path.dirname(dst_dir)) | 
 |         write_file((src_dir, 'test.txt'), '123') | 
 |         os.mkdir(os.path.join(src_dir, 'test_dir')) | 
 |         write_file((src_dir, 'test_dir', 'test.txt'), '456') | 
 |  | 
 |         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_file((dst_dir, 'test.txt')) | 
 |         self.assertEqual(actual, '123') | 
 |         actual = read_file((dst_dir, 'test_dir', 'test.txt')) | 
 |         self.assertEqual(actual, '456') | 
 |  | 
 |     @support.skip_unless_symlink | 
 |     def test_copytree_symlinks(self): | 
 |         tmp_dir = self.mkdtemp() | 
 |         src_dir = os.path.join(tmp_dir, 'src') | 
 |         dst_dir = os.path.join(tmp_dir, 'dst') | 
 |         sub_dir = os.path.join(src_dir, 'sub') | 
 |         os.mkdir(src_dir) | 
 |         os.mkdir(sub_dir) | 
 |         write_file((src_dir, 'file.txt'), 'foo') | 
 |         src_link = os.path.join(sub_dir, 'link') | 
 |         dst_link = os.path.join(dst_dir, 'sub/link') | 
 |         os.symlink(os.path.join(src_dir, 'file.txt'), | 
 |                    src_link) | 
 |         if hasattr(os, 'lchmod'): | 
 |             os.lchmod(src_link, stat.S_IRWXU | stat.S_IRWXO) | 
 |         if hasattr(os, 'lchflags') and hasattr(stat, 'UF_NODUMP'): | 
 |             os.lchflags(src_link, stat.UF_NODUMP) | 
 |         src_stat = os.lstat(src_link) | 
 |         shutil.copytree(src_dir, dst_dir, symlinks=True) | 
 |         self.assertTrue(os.path.islink(os.path.join(dst_dir, 'sub', 'link'))) | 
 |         self.assertEqual(os.readlink(os.path.join(dst_dir, 'sub', 'link')), | 
 |                          os.path.join(src_dir, 'file.txt')) | 
 |         dst_stat = os.lstat(dst_link) | 
 |         if hasattr(os, 'lchmod'): | 
 |             self.assertEqual(dst_stat.st_mode, src_stat.st_mode) | 
 |         if hasattr(os, 'lchflags'): | 
 |             self.assertEqual(dst_stat.st_flags, src_stat.st_flags) | 
 |  | 
 |     def test_copytree_with_exclude(self): | 
 |         # creating data | 
 |         join = os.path.join | 
 |         exists = os.path.exists | 
 |         src_dir = tempfile.mkdtemp() | 
 |         try: | 
 |             dst_dir = join(tempfile.mkdtemp(), 'destination') | 
 |             write_file((src_dir, 'test.txt'), '123') | 
 |             write_file((src_dir, 'test.tmp'), '123') | 
 |             os.mkdir(join(src_dir, 'test_dir')) | 
 |             write_file((src_dir, 'test_dir', 'test.txt'), '456') | 
 |             os.mkdir(join(src_dir, 'test_dir2')) | 
 |             write_file((src_dir, 'test_dir2', 'test.txt'), '456') | 
 |             os.mkdir(join(src_dir, 'test_dir2', 'subdir')) | 
 |             os.mkdir(join(src_dir, 'test_dir2', 'subdir2')) | 
 |             write_file((src_dir, 'test_dir2', 'subdir', 'test.txt'), '456') | 
 |             write_file((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.assertFalse(exists(join(dst_dir, 'test.tmp'))) | 
 |                 self.assertFalse(exists(join(dst_dir, 'test_dir2'))) | 
 |             finally: | 
 |                 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.assertFalse(exists(join(dst_dir, 'test.tmp'))) | 
 |                 self.assertFalse(exists(join(dst_dir, 'test_dir2', 'subdir2'))) | 
 |                 self.assertFalse(exists(join(dst_dir, 'test_dir2', 'subdir'))) | 
 |             finally: | 
 |                 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.assertFalse(exists(join(dst_dir, 'test_dir2', 'subdir2', | 
 |                                              'test.py'))) | 
 |                 self.assertFalse(exists(join(dst_dir, 'test_dir2', 'subdir'))) | 
 |  | 
 |             finally: | 
 |                 shutil.rmtree(dst_dir) | 
 |         finally: | 
 |             shutil.rmtree(src_dir) | 
 |             shutil.rmtree(os.path.dirname(dst_dir)) | 
 |  | 
 |     def test_copytree_retains_permissions(self): | 
 |         tmp_dir = tempfile.mkdtemp() | 
 |         src_dir = os.path.join(tmp_dir, 'source') | 
 |         os.mkdir(src_dir) | 
 |         dst_dir = os.path.join(tmp_dir, 'destination') | 
 |         self.addCleanup(shutil.rmtree, tmp_dir) | 
 |  | 
 |         os.chmod(src_dir, 0o777) | 
 |         write_file((src_dir, 'permissive.txt'), '123') | 
 |         os.chmod(os.path.join(src_dir, 'permissive.txt'), 0o777) | 
 |         write_file((src_dir, 'restrictive.txt'), '456') | 
 |         os.chmod(os.path.join(src_dir, 'restrictive.txt'), 0o600) | 
 |         restrictive_subdir = tempfile.mkdtemp(dir=src_dir) | 
 |         os.chmod(restrictive_subdir, 0o600) | 
 |  | 
 |         shutil.copytree(src_dir, dst_dir) | 
 |         self.assertEqual(os.stat(src_dir).st_mode, os.stat(dst_dir).st_mode) | 
 |         self.assertEqual(os.stat(os.path.join(src_dir, 'permissive.txt')).st_mode, | 
 |                           os.stat(os.path.join(dst_dir, 'permissive.txt')).st_mode) | 
 |         self.assertEqual(os.stat(os.path.join(src_dir, 'restrictive.txt')).st_mode, | 
 |                           os.stat(os.path.join(dst_dir, 'restrictive.txt')).st_mode) | 
 |         restrictive_subdir_dst = os.path.join(dst_dir, | 
 |                                               os.path.split(restrictive_subdir)[1]) | 
 |         self.assertEqual(os.stat(restrictive_subdir).st_mode, | 
 |                           os.stat(restrictive_subdir_dst).st_mode) | 
 |  | 
 |     @unittest.mock.patch('os.chmod') | 
 |     def test_copytree_winerror(self, mock_patch): | 
 |         # When copying to VFAT, copystat() raises OSError. On Windows, the | 
 |         # exception object has a meaningful 'winerror' attribute, but not | 
 |         # on other operating systems. Do not assume 'winerror' is set. | 
 |         src_dir = tempfile.mkdtemp() | 
 |         dst_dir = os.path.join(tempfile.mkdtemp(), 'destination') | 
 |         self.addCleanup(shutil.rmtree, src_dir) | 
 |         self.addCleanup(shutil.rmtree, os.path.dirname(dst_dir)) | 
 |  | 
 |         mock_patch.side_effect = PermissionError('ka-boom') | 
 |         with self.assertRaises(shutil.Error): | 
 |             shutil.copytree(src_dir, dst_dir) | 
 |  | 
 |     @unittest.skipIf(os.name == 'nt', 'temporarily disabled on Windows') | 
 |     @unittest.skipUnless(hasattr(os, 'link'), 'requires os.link') | 
 |     def test_dont_copy_file_onto_link_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') | 
 |             os.link(src, dst) | 
 |             self.assertRaises(shutil.SameFileError, 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_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.SameFileError, 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) | 
 |             shutil.rmtree(dst, ignore_errors=True) | 
 |         finally: | 
 |             shutil.rmtree(TESTFN, ignore_errors=True) | 
 |  | 
 |     # Issue #3002: copyfile and copytree block indefinitely on named pipes | 
 |     @unittest.skipUnless(hasattr(os, "mkfifo"), 'requires os.mkfifo()') | 
 |     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) | 
 |  | 
 |     @unittest.skipUnless(hasattr(os, "mkfifo"), 'requires os.mkfifo()') | 
 |     @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') | 
 |         write_file((src_dir, 'test.txt'), '123') | 
 |         os.mkdir(os.path.join(src_dir, 'test_dir')) | 
 |         write_file((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')) | 
 |         write_file((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)) | 
 |  | 
 |     @support.skip_unless_symlink | 
 |     def test_copytree_symlink_dir(self): | 
 |         src_dir = self.mkdtemp() | 
 |         dst_dir = os.path.join(self.mkdtemp(), 'destination') | 
 |         os.mkdir(os.path.join(src_dir, 'real_dir')) | 
 |         with open(os.path.join(src_dir, 'real_dir', 'test.txt'), 'w'): | 
 |             pass | 
 |         os.symlink(os.path.join(src_dir, 'real_dir'), | 
 |                    os.path.join(src_dir, 'link_to_dir'), | 
 |                    target_is_directory=True) | 
 |  | 
 |         shutil.copytree(src_dir, dst_dir, symlinks=False) | 
 |         self.assertFalse(os.path.islink(os.path.join(dst_dir, 'link_to_dir'))) | 
 |         self.assertIn('test.txt', os.listdir(os.path.join(dst_dir, 'link_to_dir'))) | 
 |  | 
 |         dst_dir = os.path.join(self.mkdtemp(), 'destination2') | 
 |         shutil.copytree(src_dir, dst_dir, symlinks=True) | 
 |         self.assertTrue(os.path.islink(os.path.join(dst_dir, 'link_to_dir'))) | 
 |         self.assertIn('test.txt', os.listdir(os.path.join(dst_dir, 'link_to_dir'))) | 
 |  | 
 |     def _copy_file(self, method): | 
 |         fname = 'test.txt' | 
 |         tmpdir = self.mkdtemp() | 
 |         write_file((tmpdir, fname), 'xxx') | 
 |         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')) | 
 |  | 
 |     @requires_zlib | 
 |     def test_make_tarball(self): | 
 |         # creating something to tar | 
 |         root_dir, base_dir = self._create_files('') | 
 |  | 
 |         tmpdir2 = self.mkdtemp() | 
 |         # force shutil to create the directory | 
 |         os.rmdir(tmpdir2) | 
 |         # working with relative paths | 
 |         work_dir = os.path.dirname(tmpdir2) | 
 |         rel_base_name = os.path.join(os.path.basename(tmpdir2), 'archive') | 
 |  | 
 |         with support.change_cwd(work_dir): | 
 |             base_name = os.path.abspath(rel_base_name) | 
 |             tarball = make_archive(rel_base_name, 'gztar', root_dir, '.') | 
 |  | 
 |         # check if the compressed tarball was created | 
 |         self.assertEqual(tarball, base_name + '.tar.gz') | 
 |         self.assertTrue(os.path.isfile(tarball)) | 
 |         self.assertTrue(tarfile.is_tarfile(tarball)) | 
 |         with tarfile.open(tarball, 'r:gz') as tf: | 
 |             self.assertCountEqual(tf.getnames(), | 
 |                                   ['.', './sub', './sub2', | 
 |                                    './file1', './file2', './sub/file3']) | 
 |  | 
 |         # trying an uncompressed one | 
 |         with support.change_cwd(work_dir): | 
 |             tarball = make_archive(rel_base_name, 'tar', root_dir, '.') | 
 |         self.assertEqual(tarball, base_name + '.tar') | 
 |         self.assertTrue(os.path.isfile(tarball)) | 
 |         self.assertTrue(tarfile.is_tarfile(tarball)) | 
 |         with tarfile.open(tarball, 'r') as tf: | 
 |             self.assertCountEqual(tf.getnames(), | 
 |                                   ['.', './sub', './sub2', | 
 |                                   './file1', './file2', './sub/file3']) | 
 |  | 
 |     def _tarinfo(self, path): | 
 |         with tarfile.open(path) as tar: | 
 |             names = tar.getnames() | 
 |             names.sort() | 
 |             return tuple(names) | 
 |  | 
 |     def _create_files(self, base_dir='dist'): | 
 |         # creating something to tar | 
 |         root_dir = self.mkdtemp() | 
 |         dist = os.path.join(root_dir, base_dir) | 
 |         os.makedirs(dist, exist_ok=True) | 
 |         write_file((dist, 'file1'), 'xxx') | 
 |         write_file((dist, 'file2'), 'xxx') | 
 |         os.mkdir(os.path.join(dist, 'sub')) | 
 |         write_file((dist, 'sub', 'file3'), 'xxx') | 
 |         os.mkdir(os.path.join(dist, 'sub2')) | 
 |         if base_dir: | 
 |             write_file((root_dir, 'outer'), 'xxx') | 
 |         return root_dir, base_dir | 
 |  | 
 |     @requires_zlib | 
 |     @unittest.skipUnless(shutil.which('tar'), | 
 |                          'Need the tar command to run') | 
 |     def test_tarfile_vs_tar(self): | 
 |         root_dir, base_dir = self._create_files() | 
 |         base_name = os.path.join(self.mkdtemp(), 'archive') | 
 |         tarball = make_archive(base_name, 'gztar', root_dir, base_dir) | 
 |  | 
 |         # check if the compressed tarball was created | 
 |         self.assertEqual(tarball, base_name + '.tar.gz') | 
 |         self.assertTrue(os.path.isfile(tarball)) | 
 |  | 
 |         # now create another tarball using `tar` | 
 |         tarball2 = os.path.join(root_dir, 'archive2.tar') | 
 |         tar_cmd = ['tar', '-cf', 'archive2.tar', base_dir] | 
 |         subprocess.check_call(tar_cmd, cwd=root_dir, | 
 |                               stdout=subprocess.DEVNULL) | 
 |  | 
 |         self.assertTrue(os.path.isfile(tarball2)) | 
 |         # let's compare both tarballs | 
 |         self.assertEqual(self._tarinfo(tarball), self._tarinfo(tarball2)) | 
 |  | 
 |         # trying an uncompressed one | 
 |         tarball = make_archive(base_name, 'tar', root_dir, base_dir) | 
 |         self.assertEqual(tarball, base_name + '.tar') | 
 |         self.assertTrue(os.path.isfile(tarball)) | 
 |  | 
 |         # now for a dry_run | 
 |         tarball = make_archive(base_name, 'tar', root_dir, base_dir, | 
 |                                dry_run=True) | 
 |         self.assertEqual(tarball, base_name + '.tar') | 
 |         self.assertTrue(os.path.isfile(tarball)) | 
 |  | 
 |     @requires_zlib | 
 |     @unittest.skipUnless(ZIP_SUPPORT, 'Need zip support to run') | 
 |     def test_make_zipfile(self): | 
 |         # creating something to zip | 
 |         root_dir, base_dir = self._create_files() | 
 |  | 
 |         tmpdir2 = self.mkdtemp() | 
 |         # force shutil to create the directory | 
 |         os.rmdir(tmpdir2) | 
 |         # working with relative paths | 
 |         work_dir = os.path.dirname(tmpdir2) | 
 |         rel_base_name = os.path.join(os.path.basename(tmpdir2), 'archive') | 
 |  | 
 |         with support.change_cwd(work_dir): | 
 |             base_name = os.path.abspath(rel_base_name) | 
 |             res = make_archive(rel_base_name, 'zip', root_dir) | 
 |  | 
 |         self.assertEqual(res, base_name + '.zip') | 
 |         self.assertTrue(os.path.isfile(res)) | 
 |         self.assertTrue(zipfile.is_zipfile(res)) | 
 |         with zipfile.ZipFile(res) as zf: | 
 |             self.assertCountEqual(zf.namelist(), | 
 |                     ['dist/', 'dist/sub/', 'dist/sub2/', | 
 |                      'dist/file1', 'dist/file2', 'dist/sub/file3', | 
 |                      'outer']) | 
 |  | 
 |         with support.change_cwd(work_dir): | 
 |             base_name = os.path.abspath(rel_base_name) | 
 |             res = make_archive(rel_base_name, 'zip', root_dir, base_dir) | 
 |  | 
 |         self.assertEqual(res, base_name + '.zip') | 
 |         self.assertTrue(os.path.isfile(res)) | 
 |         self.assertTrue(zipfile.is_zipfile(res)) | 
 |         with zipfile.ZipFile(res) as zf: | 
 |             self.assertCountEqual(zf.namelist(), | 
 |                     ['dist/', 'dist/sub/', 'dist/sub2/', | 
 |                      'dist/file1', 'dist/file2', 'dist/sub/file3']) | 
 |  | 
 |     @requires_zlib | 
 |     @unittest.skipUnless(ZIP_SUPPORT, 'Need zip support to run') | 
 |     @unittest.skipUnless(shutil.which('zip'), | 
 |                          'Need the zip command to run') | 
 |     def test_zipfile_vs_zip(self): | 
 |         root_dir, base_dir = self._create_files() | 
 |         base_name = os.path.join(self.mkdtemp(), 'archive') | 
 |         archive = make_archive(base_name, 'zip', root_dir, base_dir) | 
 |  | 
 |         # check if ZIP file  was created | 
 |         self.assertEqual(archive, base_name + '.zip') | 
 |         self.assertTrue(os.path.isfile(archive)) | 
 |  | 
 |         # now create another ZIP file using `zip` | 
 |         archive2 = os.path.join(root_dir, 'archive2.zip') | 
 |         zip_cmd = ['zip', '-q', '-r', 'archive2.zip', base_dir] | 
 |         subprocess.check_call(zip_cmd, cwd=root_dir, | 
 |                               stdout=subprocess.DEVNULL) | 
 |  | 
 |         self.assertTrue(os.path.isfile(archive2)) | 
 |         # let's compare both ZIP files | 
 |         with zipfile.ZipFile(archive) as zf: | 
 |             names = zf.namelist() | 
 |         with zipfile.ZipFile(archive2) as zf: | 
 |             names2 = zf.namelist() | 
 |         self.assertEqual(sorted(names), sorted(names2)) | 
 |  | 
 |     @requires_zlib | 
 |     @unittest.skipUnless(ZIP_SUPPORT, 'Need zip support to run') | 
 |     @unittest.skipUnless(shutil.which('unzip'), | 
 |                          'Need the unzip command to run') | 
 |     def test_unzip_zipfile(self): | 
 |         root_dir, base_dir = self._create_files() | 
 |         base_name = os.path.join(self.mkdtemp(), 'archive') | 
 |         archive = make_archive(base_name, 'zip', root_dir, base_dir) | 
 |  | 
 |         # check if ZIP file  was created | 
 |         self.assertEqual(archive, base_name + '.zip') | 
 |         self.assertTrue(os.path.isfile(archive)) | 
 |  | 
 |         # now check the ZIP file using `unzip -t` | 
 |         zip_cmd = ['unzip', '-t', archive] | 
 |         with support.change_cwd(root_dir): | 
 |             try: | 
 |                 subprocess.check_output(zip_cmd, stderr=subprocess.STDOUT) | 
 |             except subprocess.CalledProcessError as exc: | 
 |                 details = exc.output.decode(errors="replace") | 
 |                 msg = "{}\n\n**Unzip Output**\n{}" | 
 |                 self.fail(msg.format(exc, details)) | 
 |  | 
 |     def test_make_archive(self): | 
 |         tmpdir = self.mkdtemp() | 
 |         base_name = os.path.join(tmpdir, 'archive') | 
 |         self.assertRaises(ValueError, make_archive, base_name, 'xxx') | 
 |  | 
 |     @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' | 
 |  | 
 |         root_dir, base_dir = 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.isfile(res)) | 
 |  | 
 |         res = make_archive(base_name, 'zip', root_dir, base_dir) | 
 |         self.assertTrue(os.path.isfile(res)) | 
 |  | 
 |         res = make_archive(base_name, 'tar', root_dir, base_dir, | 
 |                            owner=owner, group=group) | 
 |         self.assertTrue(os.path.isfile(res)) | 
 |  | 
 |         res = make_archive(base_name, 'tar', root_dir, base_dir, | 
 |                            owner='kjhkjhkjg', group='oihohoh') | 
 |         self.assertTrue(os.path.isfile(res)) | 
 |  | 
 |  | 
 |     @requires_zlib | 
 |     @unittest.skipUnless(UID_GID_SUPPORT, "Requires grp and pwd support") | 
 |     def test_tarfile_root_owner(self): | 
 |         root_dir, base_dir = self._create_files() | 
 |         base_name = os.path.join(self.mkdtemp(), 'archive') | 
 |         group = grp.getgrgid(0)[0] | 
 |         owner = pwd.getpwuid(0)[0] | 
 |         with support.change_cwd(root_dir): | 
 |             archive_name = make_archive(base_name, 'gztar', root_dir, 'dist', | 
 |                                         owner=owner, group=group) | 
 |  | 
 |         # check if the compressed tarball was created | 
 |         self.assertTrue(os.path.isfile(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_make_tarfile_in_curdir(self): | 
 |         # Issue #21280 | 
 |         root_dir = self.mkdtemp() | 
 |         with support.change_cwd(root_dir): | 
 |             self.assertEqual(make_archive('test', 'tar'), 'test.tar') | 
 |             self.assertTrue(os.path.isfile('test.tar')) | 
 |  | 
 |     @requires_zlib | 
 |     def test_make_zipfile_in_curdir(self): | 
 |         # Issue #21280 | 
 |         root_dir = self.mkdtemp() | 
 |         with support.change_cwd(root_dir): | 
 |             self.assertEqual(make_archive('test', 'zip'), 'test.zip') | 
 |             self.assertTrue(os.path.isfile('test.zip')) | 
 |  | 
 |     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) | 
 |  | 
 |     @requires_zlib | 
 |     def test_unpack_archive(self): | 
 |         formats = ['tar', 'gztar', 'zip'] | 
 |         if BZ2_SUPPORTED: | 
 |             formats.append('bztar') | 
 |         if LZMA_SUPPORTED: | 
 |             formats.append('xztar') | 
 |  | 
 |         root_dir, base_dir = self._create_files() | 
 |         expected = rlistdir(root_dir) | 
 |         expected.remove('outer') | 
 |         for format in formats: | 
 |             base_name = os.path.join(self.mkdtemp(), 'archive') | 
 |             filename = make_archive(base_name, format, root_dir, base_dir) | 
 |  | 
 |             # let's try to unpack it now | 
 |             tmpdir2 = self.mkdtemp() | 
 |             unpack_archive(filename, tmpdir2) | 
 |             self.assertEqual(rlistdir(tmpdir2), expected) | 
 |  | 
 |             # and again, this time with the format specified | 
 |             tmpdir3 = self.mkdtemp() | 
 |             unpack_archive(filename, tmpdir3, format=format) | 
 |             self.assertEqual(rlistdir(tmpdir3), expected) | 
 |         self.assertRaises(shutil.ReadError, unpack_archive, TESTFN) | 
 |         self.assertRaises(ValueError, unpack_archive, TESTFN, format='xxx') | 
 |  | 
 |     def test_unpack_registry(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) | 
 |  | 
 |     @unittest.skipUnless(hasattr(shutil, 'disk_usage'), | 
 |                          "disk_usage not available on this platform") | 
 |     def test_disk_usage(self): | 
 |         usage = shutil.disk_usage(os.getcwd()) | 
 |         self.assertGreater(usage.total, 0) | 
 |         self.assertGreater(usage.used, 0) | 
 |         self.assertGreaterEqual(usage.free, 0) | 
 |         self.assertGreaterEqual(usage.total, usage.used) | 
 |         self.assertGreater(usage.total, usage.free) | 
 |  | 
 |     @unittest.skipUnless(UID_GID_SUPPORT, "Requires grp and pwd support") | 
 |     @unittest.skipUnless(hasattr(os, 'chown'), 'requires os.chown') | 
 |     def test_chown(self): | 
 |  | 
 |         # cleaned-up automatically by TestShutil.tearDown method | 
 |         dirname = self.mkdtemp() | 
 |         filename = tempfile.mktemp(dir=dirname) | 
 |         write_file(filename, 'testing chown function') | 
 |  | 
 |         with self.assertRaises(ValueError): | 
 |             shutil.chown(filename) | 
 |  | 
 |         with self.assertRaises(LookupError): | 
 |             shutil.chown(filename, user='non-existing username') | 
 |  | 
 |         with self.assertRaises(LookupError): | 
 |             shutil.chown(filename, group='non-existing groupname') | 
 |  | 
 |         with self.assertRaises(TypeError): | 
 |             shutil.chown(filename, b'spam') | 
 |  | 
 |         with self.assertRaises(TypeError): | 
 |             shutil.chown(filename, 3.14) | 
 |  | 
 |         uid = os.getuid() | 
 |         gid = os.getgid() | 
 |  | 
 |         def check_chown(path, uid=None, gid=None): | 
 |             s = os.stat(filename) | 
 |             if uid is not None: | 
 |                 self.assertEqual(uid, s.st_uid) | 
 |             if gid is not None: | 
 |                 self.assertEqual(gid, s.st_gid) | 
 |  | 
 |         shutil.chown(filename, uid, gid) | 
 |         check_chown(filename, uid, gid) | 
 |         shutil.chown(filename, uid) | 
 |         check_chown(filename, uid) | 
 |         shutil.chown(filename, user=uid) | 
 |         check_chown(filename, uid) | 
 |         shutil.chown(filename, group=gid) | 
 |         check_chown(filename, gid=gid) | 
 |  | 
 |         shutil.chown(dirname, uid, gid) | 
 |         check_chown(dirname, uid, gid) | 
 |         shutil.chown(dirname, uid) | 
 |         check_chown(dirname, uid) | 
 |         shutil.chown(dirname, user=uid) | 
 |         check_chown(dirname, uid) | 
 |         shutil.chown(dirname, group=gid) | 
 |         check_chown(dirname, gid=gid) | 
 |  | 
 |         user = pwd.getpwuid(uid)[0] | 
 |         group = grp.getgrgid(gid)[0] | 
 |         shutil.chown(filename, user, group) | 
 |         check_chown(filename, uid, gid) | 
 |         shutil.chown(dirname, user, group) | 
 |         check_chown(dirname, uid, gid) | 
 |  | 
 |     def test_copy_return_value(self): | 
 |         # copy and copy2 both return their destination path. | 
 |         for fn in (shutil.copy, shutil.copy2): | 
 |             src_dir = self.mkdtemp() | 
 |             dst_dir = self.mkdtemp() | 
 |             src = os.path.join(src_dir, 'foo') | 
 |             write_file(src, 'foo') | 
 |             rv = fn(src, dst_dir) | 
 |             self.assertEqual(rv, os.path.join(dst_dir, 'foo')) | 
 |             rv = fn(src, os.path.join(dst_dir, 'bar')) | 
 |             self.assertEqual(rv, os.path.join(dst_dir, 'bar')) | 
 |  | 
 |     def test_copyfile_return_value(self): | 
 |         # copytree returns its destination path. | 
 |         src_dir = self.mkdtemp() | 
 |         dst_dir = self.mkdtemp() | 
 |         dst_file = os.path.join(dst_dir, 'bar') | 
 |         src_file = os.path.join(src_dir, 'foo') | 
 |         write_file(src_file, 'foo') | 
 |         rv = shutil.copyfile(src_file, dst_file) | 
 |         self.assertTrue(os.path.exists(rv)) | 
 |         self.assertEqual(read_file(src_file), read_file(dst_file)) | 
 |  | 
 |     def test_copyfile_same_file(self): | 
 |         # copyfile() should raise SameFileError if the source and destination | 
 |         # are the same. | 
 |         src_dir = self.mkdtemp() | 
 |         src_file = os.path.join(src_dir, 'foo') | 
 |         write_file(src_file, 'foo') | 
 |         self.assertRaises(SameFileError, shutil.copyfile, src_file, src_file) | 
 |         # But Error should work too, to stay backward compatible. | 
 |         self.assertRaises(Error, shutil.copyfile, src_file, src_file) | 
 |  | 
 |     def test_copytree_return_value(self): | 
 |         # copytree returns its destination path. | 
 |         src_dir = self.mkdtemp() | 
 |         dst_dir = src_dir + "dest" | 
 |         self.addCleanup(shutil.rmtree, dst_dir, True) | 
 |         src = os.path.join(src_dir, 'foo') | 
 |         write_file(src, 'foo') | 
 |         rv = shutil.copytree(src_dir, dst_dir) | 
 |         self.assertEqual(['foo'], os.listdir(rv)) | 
 |  | 
 |  | 
 | class TestWhich(unittest.TestCase): | 
 |  | 
 |     def setUp(self): | 
 |         self.temp_dir = tempfile.mkdtemp(prefix="Tmp") | 
 |         self.addCleanup(shutil.rmtree, self.temp_dir, True) | 
 |         # Give the temp_file an ".exe" suffix for all. | 
 |         # It's needed on Windows and not harmful on other platforms. | 
 |         self.temp_file = tempfile.NamedTemporaryFile(dir=self.temp_dir, | 
 |                                                      prefix="Tmp", | 
 |                                                      suffix=".Exe") | 
 |         os.chmod(self.temp_file.name, stat.S_IXUSR) | 
 |         self.addCleanup(self.temp_file.close) | 
 |         self.dir, self.file = os.path.split(self.temp_file.name) | 
 |  | 
 |     def test_basic(self): | 
 |         # Given an EXE in a directory, it should be returned. | 
 |         rv = shutil.which(self.file, path=self.dir) | 
 |         self.assertEqual(rv, self.temp_file.name) | 
 |  | 
 |     def test_absolute_cmd(self): | 
 |         # When given the fully qualified path to an executable that exists, | 
 |         # it should be returned. | 
 |         rv = shutil.which(self.temp_file.name, path=self.temp_dir) | 
 |         self.assertEqual(rv, self.temp_file.name) | 
 |  | 
 |     def test_relative_cmd(self): | 
 |         # When given the relative path with a directory part to an executable | 
 |         # that exists, it should be returned. | 
 |         base_dir, tail_dir = os.path.split(self.dir) | 
 |         relpath = os.path.join(tail_dir, self.file) | 
 |         with support.change_cwd(path=base_dir): | 
 |             rv = shutil.which(relpath, path=self.temp_dir) | 
 |             self.assertEqual(rv, relpath) | 
 |         # But it shouldn't be searched in PATH directories (issue #16957). | 
 |         with support.change_cwd(path=self.dir): | 
 |             rv = shutil.which(relpath, path=base_dir) | 
 |             self.assertIsNone(rv) | 
 |  | 
 |     def test_cwd(self): | 
 |         # Issue #16957 | 
 |         base_dir = os.path.dirname(self.dir) | 
 |         with support.change_cwd(path=self.dir): | 
 |             rv = shutil.which(self.file, path=base_dir) | 
 |             if sys.platform == "win32": | 
 |                 # Windows: current directory implicitly on PATH | 
 |                 self.assertEqual(rv, os.path.join(os.curdir, self.file)) | 
 |             else: | 
 |                 # Other platforms: shouldn't match in the current directory. | 
 |                 self.assertIsNone(rv) | 
 |  | 
 |     @unittest.skipIf(hasattr(os, 'geteuid') and os.geteuid() == 0, | 
 |                      'non-root user required') | 
 |     def test_non_matching_mode(self): | 
 |         # Set the file read-only and ask for writeable files. | 
 |         os.chmod(self.temp_file.name, stat.S_IREAD) | 
 |         if os.access(self.temp_file.name, os.W_OK): | 
 |             self.skipTest("can't set the file read-only") | 
 |         rv = shutil.which(self.file, path=self.dir, mode=os.W_OK) | 
 |         self.assertIsNone(rv) | 
 |  | 
 |     def test_relative_path(self): | 
 |         base_dir, tail_dir = os.path.split(self.dir) | 
 |         with support.change_cwd(path=base_dir): | 
 |             rv = shutil.which(self.file, path=tail_dir) | 
 |             self.assertEqual(rv, os.path.join(tail_dir, self.file)) | 
 |  | 
 |     def test_nonexistent_file(self): | 
 |         # Return None when no matching executable file is found on the path. | 
 |         rv = shutil.which("foo.exe", path=self.dir) | 
 |         self.assertIsNone(rv) | 
 |  | 
 |     @unittest.skipUnless(sys.platform == "win32", | 
 |                          "pathext check is Windows-only") | 
 |     def test_pathext_checking(self): | 
 |         # Ask for the file without the ".exe" extension, then ensure that | 
 |         # it gets found properly with the extension. | 
 |         rv = shutil.which(self.file[:-4], path=self.dir) | 
 |         self.assertEqual(rv, self.temp_file.name[:-4] + ".EXE") | 
 |  | 
 |     def test_environ_path(self): | 
 |         with support.EnvironmentVarGuard() as env: | 
 |             env['PATH'] = self.dir | 
 |             rv = shutil.which(self.file) | 
 |             self.assertEqual(rv, self.temp_file.name) | 
 |  | 
 |     def test_empty_path(self): | 
 |         base_dir = os.path.dirname(self.dir) | 
 |         with support.change_cwd(path=self.dir), \ | 
 |              support.EnvironmentVarGuard() as env: | 
 |             env['PATH'] = self.dir | 
 |             rv = shutil.which(self.file, path='') | 
 |             self.assertIsNone(rv) | 
 |  | 
 |     def test_empty_path_no_PATH(self): | 
 |         with support.EnvironmentVarGuard() as env: | 
 |             env.pop('PATH', None) | 
 |             rv = shutil.which(self.file) | 
 |             self.assertIsNone(rv) | 
 |  | 
 |  | 
 | 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_move_dir_sep_to_dir(self): | 
 |         self._check_move_dir(self.src_dir + os.path.sep, self.dst_dir, | 
 |             os.path.join(self.dst_dir, os.path.basename(self.src_dir))) | 
 |  | 
 |     @unittest.skipUnless(os.path.altsep, 'requires os.path.altsep') | 
 |     def test_move_dir_altsep_to_dir(self): | 
 |         self._check_move_dir(self.src_dir + os.path.altsep, self.dst_dir, | 
 |             os.path.join(self.dst_dir, os.path.basename(self.src_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) | 
 |  | 
 |     @support.skip_unless_symlink | 
 |     @mock_rename | 
 |     def test_move_file_symlink(self): | 
 |         dst = os.path.join(self.src_dir, 'bar') | 
 |         os.symlink(self.src_file, dst) | 
 |         shutil.move(dst, self.dst_file) | 
 |         self.assertTrue(os.path.islink(self.dst_file)) | 
 |         self.assertTrue(os.path.samefile(self.src_file, self.dst_file)) | 
 |  | 
 |     @support.skip_unless_symlink | 
 |     @mock_rename | 
 |     def test_move_file_symlink_to_dir(self): | 
 |         filename = "bar" | 
 |         dst = os.path.join(self.src_dir, filename) | 
 |         os.symlink(self.src_file, dst) | 
 |         shutil.move(dst, self.dst_dir) | 
 |         final_link = os.path.join(self.dst_dir, filename) | 
 |         self.assertTrue(os.path.islink(final_link)) | 
 |         self.assertTrue(os.path.samefile(self.src_file, final_link)) | 
 |  | 
 |     @support.skip_unless_symlink | 
 |     @mock_rename | 
 |     def test_move_dangling_symlink(self): | 
 |         src = os.path.join(self.src_dir, 'baz') | 
 |         dst = os.path.join(self.src_dir, 'bar') | 
 |         os.symlink(src, dst) | 
 |         dst_link = os.path.join(self.dst_dir, 'quux') | 
 |         shutil.move(dst, dst_link) | 
 |         self.assertTrue(os.path.islink(dst_link)) | 
 |         # On Windows, os.path.realpath does not follow symlinks (issue #9949) | 
 |         if os.name == 'nt': | 
 |             self.assertEqual(os.path.realpath(src), os.readlink(dst_link)) | 
 |         else: | 
 |             self.assertEqual(os.path.realpath(src), os.path.realpath(dst_link)) | 
 |  | 
 |     @support.skip_unless_symlink | 
 |     @mock_rename | 
 |     def test_move_dir_symlink(self): | 
 |         src = os.path.join(self.src_dir, 'baz') | 
 |         dst = os.path.join(self.src_dir, 'bar') | 
 |         os.mkdir(src) | 
 |         os.symlink(src, dst) | 
 |         dst_link = os.path.join(self.dst_dir, 'quux') | 
 |         shutil.move(dst, dst_link) | 
 |         self.assertTrue(os.path.islink(dst_link)) | 
 |         self.assertTrue(os.path.samefile(src, dst_link)) | 
 |  | 
 |     def test_move_return_value(self): | 
 |         rv = shutil.move(self.src_file, self.dst_dir) | 
 |         self.assertEqual(rv, | 
 |                 os.path.join(self.dst_dir, os.path.basename(self.src_file))) | 
 |  | 
 |     def test_move_as_rename_return_value(self): | 
 |         rv = shutil.move(self.src_file, os.path.join(self.dst_dir, 'bar')) | 
 |         self.assertEqual(rv, os.path.join(self.dst_dir, 'bar')) | 
 |  | 
 |     @mock_rename | 
 |     def test_move_file_special_function(self): | 
 |         moved = [] | 
 |         def _copy(src, dst): | 
 |             moved.append((src, dst)) | 
 |         shutil.move(self.src_file, self.dst_dir, copy_function=_copy) | 
 |         self.assertEqual(len(moved), 1) | 
 |  | 
 |     @mock_rename | 
 |     def test_move_dir_special_function(self): | 
 |         moved = [] | 
 |         def _copy(src, dst): | 
 |             moved.append((src, dst)) | 
 |         support.create_empty_file(os.path.join(self.src_dir, 'child')) | 
 |         support.create_empty_file(os.path.join(self.src_dir, 'child1')) | 
 |         shutil.move(self.src_dir, self.dst_dir, copy_function=_copy) | 
 |         self.assertEqual(len(moved), 3) | 
 |  | 
 |  | 
 | 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 OSError("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 OSError('Cannot open "srcfile"') | 
 |             assert 0  # shouldn't reach here. | 
 |  | 
 |         self._set_shutil_open(_open) | 
 |  | 
 |         self.assertRaises(OSError, 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 OSError('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 OSError) | 
 |         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 OSError) | 
 |         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(OSError, | 
 |                           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() | 
 |         self.addCleanup(shutil.rmtree, self.src_dir, True) | 
 |         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: | 
 |             os.rmdir(dst_dir) | 
 |  | 
 | class TermsizeTests(unittest.TestCase): | 
 |     def test_does_not_crash(self): | 
 |         """Check if get_terminal_size() returns a meaningful value. | 
 |  | 
 |         There's no easy portable way to actually check the size of the | 
 |         terminal, so let's check if it returns something sensible instead. | 
 |         """ | 
 |         size = shutil.get_terminal_size() | 
 |         self.assertGreaterEqual(size.columns, 0) | 
 |         self.assertGreaterEqual(size.lines, 0) | 
 |  | 
 |     def test_os_environ_first(self): | 
 |         "Check if environment variables have precedence" | 
 |  | 
 |         with support.EnvironmentVarGuard() as env: | 
 |             env['COLUMNS'] = '777' | 
 |             del env['LINES'] | 
 |             size = shutil.get_terminal_size() | 
 |         self.assertEqual(size.columns, 777) | 
 |  | 
 |         with support.EnvironmentVarGuard() as env: | 
 |             del env['COLUMNS'] | 
 |             env['LINES'] = '888' | 
 |             size = shutil.get_terminal_size() | 
 |         self.assertEqual(size.lines, 888) | 
 |  | 
 |     def test_bad_environ(self): | 
 |         with support.EnvironmentVarGuard() as env: | 
 |             env['COLUMNS'] = 'xxx' | 
 |             env['LINES'] = 'yyy' | 
 |             size = shutil.get_terminal_size() | 
 |         self.assertGreaterEqual(size.columns, 0) | 
 |         self.assertGreaterEqual(size.lines, 0) | 
 |  | 
 |     @unittest.skipUnless(os.isatty(sys.__stdout__.fileno()), "not on tty") | 
 |     @unittest.skipUnless(hasattr(os, 'get_terminal_size'), | 
 |                          'need os.get_terminal_size()') | 
 |     def test_stty_match(self): | 
 |         """Check if stty returns the same results ignoring env | 
 |  | 
 |         This test will fail if stdin and stdout are connected to | 
 |         different terminals with different sizes. Nevertheless, such | 
 |         situations should be pretty rare. | 
 |         """ | 
 |         try: | 
 |             size = subprocess.check_output(['stty', 'size']).decode().split() | 
 |         except (FileNotFoundError, PermissionError, | 
 |                 subprocess.CalledProcessError): | 
 |             self.skipTest("stty invocation failed") | 
 |         expected = (int(size[1]), int(size[0])) # reversed order | 
 |  | 
 |         with support.EnvironmentVarGuard() as env: | 
 |             del env['LINES'] | 
 |             del env['COLUMNS'] | 
 |             actual = shutil.get_terminal_size() | 
 |  | 
 |         self.assertEqual(expected, actual) | 
 |  | 
 |     def test_fallback(self): | 
 |         with support.EnvironmentVarGuard() as env: | 
 |             del env['LINES'] | 
 |             del env['COLUMNS'] | 
 |  | 
 |             # sys.__stdout__ has no fileno() | 
 |             with support.swap_attr(sys, '__stdout__', None): | 
 |                 size = shutil.get_terminal_size(fallback=(10, 20)) | 
 |             self.assertEqual(size.columns, 10) | 
 |             self.assertEqual(size.lines, 20) | 
 |  | 
 |             # sys.__stdout__ is not a terminal on Unix | 
 |             # or fileno() not in (0, 1, 2) on Windows | 
 |             with open(os.devnull, 'w') as f, \ | 
 |                  support.swap_attr(sys, '__stdout__', f): | 
 |                 size = shutil.get_terminal_size(fallback=(30, 40)) | 
 |             self.assertEqual(size.columns, 30) | 
 |             self.assertEqual(size.lines, 40) | 
 |  | 
 |  | 
 | class PublicAPITests(unittest.TestCase): | 
 |     """Ensures that the correct values are exposed in the public API.""" | 
 |  | 
 |     def test_module_all_attribute(self): | 
 |         self.assertTrue(hasattr(shutil, '__all__')) | 
 |         target_api = ['copyfileobj', 'copyfile', 'copymode', 'copystat', | 
 |                       'copy', 'copy2', 'copytree', 'move', 'rmtree', 'Error', | 
 |                       'SpecialFileError', 'ExecError', 'make_archive', | 
 |                       'get_archive_formats', 'register_archive_format', | 
 |                       'unregister_archive_format', 'get_unpack_formats', | 
 |                       'register_unpack_format', 'unregister_unpack_format', | 
 |                       'unpack_archive', 'ignore_patterns', 'chown', 'which', | 
 |                       'get_terminal_size', 'SameFileError'] | 
 |         if hasattr(os, 'statvfs') or os.name == 'nt': | 
 |             target_api.append('disk_usage') | 
 |         self.assertEqual(set(shutil.__all__), set(target_api)) | 
 |  | 
 |  | 
 | if __name__ == '__main__': | 
 |     unittest.main() |