# Copyright (C) 2003 Python Software Foundation import unittest import shutil import tempfile import sys import stat import os import os.path import errno import functools import subprocess 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, 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 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 = find_executable('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() 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.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)) 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 tmpdir = self.mkdtemp() write_file((tmpdir, 'file1'), 'xxx') write_file((tmpdir, 'file2'), 'xxx') os.mkdir(os.path.join(tmpdir, 'sub')) 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) 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')) tmpdir2 = self.mkdtemp() base_name = os.path.join(tmpdir2, 'archive') return tmpdir, tmpdir2, base_name @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)) @requires_zlib @unittest.skipUnless(ZIP_SUPPORT, 'Need zip support to run') def test_make_zipfile(self): # creating something to tar tmpdir = self.mkdtemp() write_file((tmpdir, 'file1'), 'xxx') 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') @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)) @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 @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) @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-exising username') with self.assertRaises(LookupError): shutil.chown(filename, group='non-exising 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_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')) 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' size = shutil.get_terminal_size() self.assertEqual(size.columns, 777) with support.EnvironmentVarGuard() as env: env['LINES'] = '888' size = shutil.get_terminal_size() self.assertEqual(size.lines, 888) @unittest.skipUnless(os.isatty(sys.__stdout__.fileno()), "not on tty") 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, 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) if __name__ == '__main__': unittest.main()