1717 lines
65 KiB
Python
1717 lines
65 KiB
Python
# Copyright (C) 2003 Python Software Foundation
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import unittest
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import shutil
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import tempfile
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import sys
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import stat
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import os
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import os.path
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import errno
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import functools
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import subprocess
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from test import support
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from test.support import TESTFN
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from os.path import splitdrive
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from distutils.spawn import find_executable, spawn
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from shutil import (_make_tarball, _make_zipfile, make_archive,
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register_archive_format, unregister_archive_format,
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get_archive_formats, Error, unpack_archive,
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register_unpack_format, RegistryError,
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unregister_unpack_format, get_unpack_formats)
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import tarfile
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import warnings
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from test import support
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from test.support import TESTFN, check_warnings, captured_stdout, requires_zlib
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try:
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import bz2
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BZ2_SUPPORTED = True
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except ImportError:
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BZ2_SUPPORTED = False
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TESTFN2 = TESTFN + "2"
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try:
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import grp
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import pwd
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UID_GID_SUPPORT = True
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except ImportError:
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UID_GID_SUPPORT = False
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try:
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import zipfile
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ZIP_SUPPORT = True
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except ImportError:
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ZIP_SUPPORT = find_executable('zip')
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def _fake_rename(*args, **kwargs):
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# Pretend the destination path is on a different filesystem.
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raise OSError(getattr(errno, 'EXDEV', 18), "Invalid cross-device link")
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def mock_rename(func):
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@functools.wraps(func)
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def wrap(*args, **kwargs):
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try:
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builtin_rename = os.rename
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os.rename = _fake_rename
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return func(*args, **kwargs)
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finally:
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os.rename = builtin_rename
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return wrap
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def write_file(path, content, binary=False):
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"""Write *content* to a file located at *path*.
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If *path* is a tuple instead of a string, os.path.join will be used to
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make a path. If *binary* is true, the file will be opened in binary
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mode.
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"""
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if isinstance(path, tuple):
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path = os.path.join(*path)
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with open(path, 'wb' if binary else 'w') as fp:
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fp.write(content)
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def read_file(path, binary=False):
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"""Return contents from a file located at *path*.
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If *path* is a tuple instead of a string, os.path.join will be used to
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make a path. If *binary* is true, the file will be opened in binary
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mode.
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"""
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if isinstance(path, tuple):
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path = os.path.join(*path)
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with open(path, 'rb' if binary else 'r') as fp:
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return fp.read()
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class TestShutil(unittest.TestCase):
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def setUp(self):
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super(TestShutil, self).setUp()
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self.tempdirs = []
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def tearDown(self):
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super(TestShutil, self).tearDown()
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while self.tempdirs:
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d = self.tempdirs.pop()
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shutil.rmtree(d, os.name in ('nt', 'cygwin'))
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def mkdtemp(self):
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"""Create a temporary directory that will be cleaned up.
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Returns the path of the directory.
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"""
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d = tempfile.mkdtemp()
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self.tempdirs.append(d)
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return d
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def test_rmtree_works_on_bytes(self):
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tmp = self.mkdtemp()
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victim = os.path.join(tmp, 'killme')
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os.mkdir(victim)
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write_file(os.path.join(victim, 'somefile'), 'foo')
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victim = os.fsencode(victim)
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self.assertIsInstance(victim, bytes)
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shutil.rmtree(victim)
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@support.skip_unless_symlink
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def test_rmtree_fails_on_symlink(self):
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tmp = self.mkdtemp()
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dir_ = os.path.join(tmp, 'dir')
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os.mkdir(dir_)
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link = os.path.join(tmp, 'link')
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os.symlink(dir_, link)
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self.assertRaises(OSError, shutil.rmtree, link)
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self.assertTrue(os.path.exists(dir_))
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self.assertTrue(os.path.lexists(link))
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errors = []
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def onerror(*args):
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errors.append(args)
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shutil.rmtree(link, onerror=onerror)
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self.assertEqual(len(errors), 1)
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self.assertIs(errors[0][0], os.path.islink)
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self.assertEqual(errors[0][1], link)
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self.assertIsInstance(errors[0][2][1], OSError)
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@support.skip_unless_symlink
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def test_rmtree_works_on_symlinks(self):
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tmp = self.mkdtemp()
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dir1 = os.path.join(tmp, 'dir1')
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dir2 = os.path.join(dir1, 'dir2')
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dir3 = os.path.join(tmp, 'dir3')
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for d in dir1, dir2, dir3:
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os.mkdir(d)
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file1 = os.path.join(tmp, 'file1')
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write_file(file1, 'foo')
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link1 = os.path.join(dir1, 'link1')
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os.symlink(dir2, link1)
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link2 = os.path.join(dir1, 'link2')
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os.symlink(dir3, link2)
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link3 = os.path.join(dir1, 'link3')
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os.symlink(file1, link3)
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# make sure symlinks are removed but not followed
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shutil.rmtree(dir1)
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self.assertFalse(os.path.exists(dir1))
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self.assertTrue(os.path.exists(dir3))
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self.assertTrue(os.path.exists(file1))
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def test_rmtree_errors(self):
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# filename is guaranteed not to exist
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filename = tempfile.mktemp()
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self.assertRaises(FileNotFoundError, shutil.rmtree, filename)
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# test that ignore_errors option is honored
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shutil.rmtree(filename, ignore_errors=True)
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# existing file
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tmpdir = self.mkdtemp()
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write_file((tmpdir, "tstfile"), "")
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filename = os.path.join(tmpdir, "tstfile")
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with self.assertRaises(NotADirectoryError) as cm:
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shutil.rmtree(filename)
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# The reason for this rather odd construct is that Windows sprinkles
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# a \*.* at the end of file names. But only sometimes on some buildbots
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possible_args = [filename, os.path.join(filename, '*.*')]
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self.assertIn(cm.exception.filename, possible_args)
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self.assertTrue(os.path.exists(filename))
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# test that ignore_errors option is honored
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shutil.rmtree(filename, ignore_errors=True)
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self.assertTrue(os.path.exists(filename))
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errors = []
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def onerror(*args):
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errors.append(args)
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shutil.rmtree(filename, onerror=onerror)
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self.assertEqual(len(errors), 2)
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self.assertIs(errors[0][0], os.listdir)
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self.assertEqual(errors[0][1], filename)
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self.assertIsInstance(errors[0][2][1], NotADirectoryError)
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self.assertIn(errors[0][2][1].filename, possible_args)
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self.assertIs(errors[1][0], os.rmdir)
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self.assertEqual(errors[1][1], filename)
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self.assertIsInstance(errors[1][2][1], NotADirectoryError)
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self.assertIn(errors[1][2][1].filename, possible_args)
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# See bug #1071513 for why we don't run this on cygwin
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# and bug #1076467 for why we don't run this as root.
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if (hasattr(os, 'chmod') and sys.platform[:6] != 'cygwin'
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and not (hasattr(os, 'geteuid') and os.geteuid() == 0)):
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def test_on_error(self):
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self.errorState = 0
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os.mkdir(TESTFN)
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self.addCleanup(shutil.rmtree, TESTFN)
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self.child_file_path = os.path.join(TESTFN, 'a')
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self.child_dir_path = os.path.join(TESTFN, 'b')
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support.create_empty_file(self.child_file_path)
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os.mkdir(self.child_dir_path)
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old_dir_mode = os.stat(TESTFN).st_mode
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old_child_file_mode = os.stat(self.child_file_path).st_mode
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old_child_dir_mode = os.stat(self.child_dir_path).st_mode
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# Make unwritable.
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new_mode = stat.S_IREAD|stat.S_IEXEC
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os.chmod(self.child_file_path, new_mode)
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os.chmod(self.child_dir_path, new_mode)
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os.chmod(TESTFN, new_mode)
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self.addCleanup(os.chmod, TESTFN, old_dir_mode)
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self.addCleanup(os.chmod, self.child_file_path, old_child_file_mode)
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self.addCleanup(os.chmod, self.child_dir_path, old_child_dir_mode)
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shutil.rmtree(TESTFN, onerror=self.check_args_to_onerror)
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# Test whether onerror has actually been called.
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self.assertEqual(self.errorState, 3,
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"Expected call to onerror function did not "
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"happen.")
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def check_args_to_onerror(self, func, arg, exc):
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# test_rmtree_errors deliberately runs rmtree
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# on a directory that is chmod 500, which will fail.
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# This function is run when shutil.rmtree fails.
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# 99.9% of the time it initially fails to remove
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# a file in the directory, so the first time through
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# func is os.remove.
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# However, some Linux machines running ZFS on
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# FUSE experienced a failure earlier in the process
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# at os.listdir. The first failure may legally
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# be either.
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if self.errorState < 2:
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if func is os.unlink:
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self.assertEqual(arg, self.child_file_path)
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elif func is os.rmdir:
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self.assertEqual(arg, self.child_dir_path)
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else:
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self.assertIs(func, os.listdir)
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self.assertIn(arg, [TESTFN, self.child_dir_path])
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self.assertTrue(issubclass(exc[0], OSError))
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self.errorState += 1
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else:
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self.assertEqual(func, os.rmdir)
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self.assertEqual(arg, TESTFN)
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self.assertTrue(issubclass(exc[0], OSError))
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self.errorState = 3
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def test_rmtree_does_not_choke_on_failing_lstat(self):
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try:
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orig_lstat = os.lstat
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def raiser(fn, *args, **kwargs):
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if fn != TESTFN:
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raise OSError()
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else:
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return orig_lstat(fn)
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os.lstat = raiser
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os.mkdir(TESTFN)
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write_file((TESTFN, 'foo'), 'foo')
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shutil.rmtree(TESTFN)
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finally:
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os.lstat = orig_lstat
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@unittest.skipUnless(hasattr(os, 'chmod'), 'requires os.chmod')
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@support.skip_unless_symlink
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def test_copymode_follow_symlinks(self):
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tmp_dir = self.mkdtemp()
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src = os.path.join(tmp_dir, 'foo')
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dst = os.path.join(tmp_dir, 'bar')
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src_link = os.path.join(tmp_dir, 'baz')
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dst_link = os.path.join(tmp_dir, 'quux')
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write_file(src, 'foo')
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write_file(dst, 'foo')
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os.symlink(src, src_link)
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os.symlink(dst, dst_link)
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os.chmod(src, stat.S_IRWXU|stat.S_IRWXG)
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# file to file
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os.chmod(dst, stat.S_IRWXO)
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self.assertNotEqual(os.stat(src).st_mode, os.stat(dst).st_mode)
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shutil.copymode(src, dst)
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self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode)
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# follow src link
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os.chmod(dst, stat.S_IRWXO)
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shutil.copymode(src_link, dst)
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self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode)
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# follow dst link
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os.chmod(dst, stat.S_IRWXO)
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shutil.copymode(src, dst_link)
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self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode)
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# follow both links
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os.chmod(dst, stat.S_IRWXO)
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shutil.copymode(src_link, dst)
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self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode)
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@unittest.skipUnless(hasattr(os, 'lchmod'), 'requires os.lchmod')
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@support.skip_unless_symlink
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def test_copymode_symlink_to_symlink(self):
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tmp_dir = self.mkdtemp()
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src = os.path.join(tmp_dir, 'foo')
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dst = os.path.join(tmp_dir, 'bar')
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src_link = os.path.join(tmp_dir, 'baz')
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dst_link = os.path.join(tmp_dir, 'quux')
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write_file(src, 'foo')
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write_file(dst, 'foo')
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os.symlink(src, src_link)
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os.symlink(dst, dst_link)
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os.chmod(src, stat.S_IRWXU|stat.S_IRWXG)
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os.chmod(dst, stat.S_IRWXU)
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os.lchmod(src_link, stat.S_IRWXO|stat.S_IRWXG)
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# link to link
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os.lchmod(dst_link, stat.S_IRWXO)
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shutil.copymode(src_link, dst_link, follow_symlinks=False)
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self.assertEqual(os.lstat(src_link).st_mode,
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os.lstat(dst_link).st_mode)
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self.assertNotEqual(os.stat(src).st_mode, os.stat(dst).st_mode)
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# src link - use chmod
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os.lchmod(dst_link, stat.S_IRWXO)
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shutil.copymode(src_link, dst, follow_symlinks=False)
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self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode)
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# dst link - use chmod
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os.lchmod(dst_link, stat.S_IRWXO)
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shutil.copymode(src, dst_link, follow_symlinks=False)
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self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode)
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@unittest.skipIf(hasattr(os, 'lchmod'), 'requires os.lchmod to be missing')
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@support.skip_unless_symlink
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def test_copymode_symlink_to_symlink_wo_lchmod(self):
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tmp_dir = self.mkdtemp()
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src = os.path.join(tmp_dir, 'foo')
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dst = os.path.join(tmp_dir, 'bar')
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src_link = os.path.join(tmp_dir, 'baz')
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dst_link = os.path.join(tmp_dir, 'quux')
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write_file(src, 'foo')
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write_file(dst, 'foo')
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os.symlink(src, src_link)
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os.symlink(dst, dst_link)
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shutil.copymode(src_link, dst_link, follow_symlinks=False) # silent fail
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@support.skip_unless_symlink
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def test_copystat_symlinks(self):
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tmp_dir = self.mkdtemp()
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src = os.path.join(tmp_dir, 'foo')
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dst = os.path.join(tmp_dir, 'bar')
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src_link = os.path.join(tmp_dir, 'baz')
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dst_link = os.path.join(tmp_dir, 'qux')
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write_file(src, 'foo')
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src_stat = os.stat(src)
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os.utime(src, (src_stat.st_atime,
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src_stat.st_mtime - 42.0)) # ensure different mtimes
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write_file(dst, 'bar')
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self.assertNotEqual(os.stat(src).st_mtime, os.stat(dst).st_mtime)
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os.symlink(src, src_link)
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os.symlink(dst, dst_link)
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if hasattr(os, 'lchmod'):
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os.lchmod(src_link, stat.S_IRWXO)
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if hasattr(os, 'lchflags') and hasattr(stat, 'UF_NODUMP'):
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os.lchflags(src_link, stat.UF_NODUMP)
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src_link_stat = os.lstat(src_link)
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# follow
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if hasattr(os, 'lchmod'):
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shutil.copystat(src_link, dst_link, follow_symlinks=True)
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self.assertNotEqual(src_link_stat.st_mode, os.stat(dst).st_mode)
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# don't follow
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shutil.copystat(src_link, dst_link, follow_symlinks=False)
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dst_link_stat = os.lstat(dst_link)
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if os.utime in os.supports_follow_symlinks:
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for attr in 'st_atime', 'st_mtime':
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# The modification times may be truncated in the new file.
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self.assertLessEqual(getattr(src_link_stat, attr),
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getattr(dst_link_stat, attr) + 1)
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if hasattr(os, 'lchmod'):
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self.assertEqual(src_link_stat.st_mode, dst_link_stat.st_mode)
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if hasattr(os, 'lchflags') and hasattr(src_link_stat, 'st_flags'):
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self.assertEqual(src_link_stat.st_flags, dst_link_stat.st_flags)
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# tell to follow but dst is not a link
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shutil.copystat(src_link, dst, follow_symlinks=False)
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self.assertTrue(abs(os.stat(src).st_mtime - os.stat(dst).st_mtime) <
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00000.1)
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@unittest.skipUnless(hasattr(os, 'chflags') and
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hasattr(errno, 'EOPNOTSUPP') and
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hasattr(errno, 'ENOTSUP'),
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"requires os.chflags, EOPNOTSUPP & ENOTSUP")
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def test_copystat_handles_harmless_chflags_errors(self):
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tmpdir = self.mkdtemp()
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file1 = os.path.join(tmpdir, 'file1')
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file2 = os.path.join(tmpdir, 'file2')
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write_file(file1, 'xxx')
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write_file(file2, 'xxx')
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def make_chflags_raiser(err):
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ex = OSError()
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def _chflags_raiser(path, flags, *, follow_symlinks=True):
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ex.errno = err
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raise ex
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return _chflags_raiser
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old_chflags = os.chflags
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try:
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for err in errno.EOPNOTSUPP, errno.ENOTSUP:
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os.chflags = make_chflags_raiser(err)
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shutil.copystat(file1, file2)
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# assert others errors break it
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os.chflags = make_chflags_raiser(errno.EOPNOTSUPP + errno.ENOTSUP)
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self.assertRaises(OSError, shutil.copystat, file1, file2)
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finally:
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os.chflags = old_chflags
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@support.skip_unless_xattr
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def test_copyxattr(self):
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tmp_dir = self.mkdtemp()
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src = os.path.join(tmp_dir, 'foo')
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write_file(src, 'foo')
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dst = os.path.join(tmp_dir, 'bar')
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write_file(dst, 'bar')
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# no xattr == no problem
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shutil._copyxattr(src, dst)
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# common case
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os.setxattr(src, 'user.foo', b'42')
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os.setxattr(src, 'user.bar', b'43')
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shutil._copyxattr(src, dst)
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self.assertEqual(os.listxattr(src), os.listxattr(dst))
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self.assertEqual(
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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))
|
|
|
|
@unittest.skipUnless(hasattr(os, 'link'), 'requires os.link')
|
|
def test_dont_copy_file_onto_link_to_itself(self):
|
|
# Temporarily disable test on Windows.
|
|
if os.name == 'nt':
|
|
return
|
|
# bug 851123.
|
|
os.mkdir(TESTFN)
|
|
src = os.path.join(TESTFN, 'cheese')
|
|
dst = os.path.join(TESTFN, 'shop')
|
|
try:
|
|
with open(src, 'w') as f:
|
|
f.write('cheddar')
|
|
os.link(src, dst)
|
|
self.assertRaises(shutil.Error, shutil.copyfile, src, dst)
|
|
with open(src, 'r') as f:
|
|
self.assertEqual(f.read(), 'cheddar')
|
|
os.remove(dst)
|
|
finally:
|
|
shutil.rmtree(TESTFN, ignore_errors=True)
|
|
|
|
@support.skip_unless_symlink
|
|
def test_dont_copy_file_onto_symlink_to_itself(self):
|
|
# bug 851123.
|
|
os.mkdir(TESTFN)
|
|
src = os.path.join(TESTFN, 'cheese')
|
|
dst = os.path.join(TESTFN, 'shop')
|
|
try:
|
|
with open(src, 'w') as f:
|
|
f.write('cheddar')
|
|
# Using `src` here would mean we end up with a symlink pointing
|
|
# to TESTFN/TESTFN/cheese, while it should point at
|
|
# TESTFN/cheese.
|
|
os.symlink('cheese', dst)
|
|
self.assertRaises(shutil.Error, shutil.copyfile, src, dst)
|
|
with open(src, 'r') as f:
|
|
self.assertEqual(f.read(), 'cheddar')
|
|
os.remove(dst)
|
|
finally:
|
|
shutil.rmtree(TESTFN, ignore_errors=True)
|
|
|
|
@support.skip_unless_symlink
|
|
def test_rmtree_on_symlink(self):
|
|
# bug 1669.
|
|
os.mkdir(TESTFN)
|
|
try:
|
|
src = os.path.join(TESTFN, 'cheese')
|
|
dst = os.path.join(TESTFN, 'shop')
|
|
os.mkdir(src)
|
|
os.symlink(src, dst)
|
|
self.assertRaises(OSError, shutil.rmtree, dst)
|
|
shutil.rmtree(dst, ignore_errors=True)
|
|
finally:
|
|
shutil.rmtree(TESTFN, ignore_errors=True)
|
|
|
|
if hasattr(os, "mkfifo"):
|
|
# Issue #3002: copyfile and copytree block indefinitely on named pipes
|
|
def test_copyfile_named_pipe(self):
|
|
os.mkfifo(TESTFN)
|
|
try:
|
|
self.assertRaises(shutil.SpecialFileError,
|
|
shutil.copyfile, TESTFN, TESTFN2)
|
|
self.assertRaises(shutil.SpecialFileError,
|
|
shutil.copyfile, __file__, TESTFN)
|
|
finally:
|
|
os.remove(TESTFN)
|
|
|
|
@support.skip_unless_symlink
|
|
def test_copytree_named_pipe(self):
|
|
os.mkdir(TESTFN)
|
|
try:
|
|
subdir = os.path.join(TESTFN, "subdir")
|
|
os.mkdir(subdir)
|
|
pipe = os.path.join(subdir, "mypipe")
|
|
os.mkfifo(pipe)
|
|
try:
|
|
shutil.copytree(TESTFN, TESTFN2)
|
|
except shutil.Error as e:
|
|
errors = e.args[0]
|
|
self.assertEqual(len(errors), 1)
|
|
src, dst, error_msg = errors[0]
|
|
self.assertEqual("`%s` is a named pipe" % pipe, error_msg)
|
|
else:
|
|
self.fail("shutil.Error should have been raised")
|
|
finally:
|
|
shutil.rmtree(TESTFN, ignore_errors=True)
|
|
shutil.rmtree(TESTFN2, ignore_errors=True)
|
|
|
|
def test_copytree_special_func(self):
|
|
|
|
src_dir = self.mkdtemp()
|
|
dst_dir = os.path.join(self.mkdtemp(), 'destination')
|
|
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_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.temp_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.temp_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.temp_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.temp_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.temp_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))
|
|
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 IOError("Cannot close")
|
|
return self._suppress_at_exit
|
|
|
|
def tearDown(self):
|
|
if self._delete:
|
|
del shutil.open
|
|
|
|
def _set_shutil_open(self, func):
|
|
shutil.open = func
|
|
self._delete = True
|
|
|
|
def test_w_source_open_fails(self):
|
|
def _open(filename, mode='r'):
|
|
if filename == 'srcfile':
|
|
raise IOError('Cannot open "srcfile"')
|
|
assert 0 # shouldn't reach here.
|
|
|
|
self._set_shutil_open(_open)
|
|
|
|
self.assertRaises(IOError, shutil.copyfile, 'srcfile', 'destfile')
|
|
|
|
def test_w_dest_open_fails(self):
|
|
|
|
srcfile = self.Faux()
|
|
|
|
def _open(filename, mode='r'):
|
|
if filename == 'srcfile':
|
|
return srcfile
|
|
if filename == 'destfile':
|
|
raise IOError('Cannot open "destfile"')
|
|
assert 0 # shouldn't reach here.
|
|
|
|
self._set_shutil_open(_open)
|
|
|
|
shutil.copyfile('srcfile', 'destfile')
|
|
self.assertTrue(srcfile._entered)
|
|
self.assertTrue(srcfile._exited_with[0] is IOError)
|
|
self.assertEqual(srcfile._exited_with[1].args,
|
|
('Cannot open "destfile"',))
|
|
|
|
def test_w_dest_close_fails(self):
|
|
|
|
srcfile = self.Faux()
|
|
destfile = self.Faux(True)
|
|
|
|
def _open(filename, mode='r'):
|
|
if filename == 'srcfile':
|
|
return srcfile
|
|
if filename == 'destfile':
|
|
return destfile
|
|
assert 0 # shouldn't reach here.
|
|
|
|
self._set_shutil_open(_open)
|
|
|
|
shutil.copyfile('srcfile', 'destfile')
|
|
self.assertTrue(srcfile._entered)
|
|
self.assertTrue(destfile._entered)
|
|
self.assertTrue(destfile._raised)
|
|
self.assertTrue(srcfile._exited_with[0] is IOError)
|
|
self.assertEqual(srcfile._exited_with[1].args,
|
|
('Cannot close',))
|
|
|
|
def test_w_source_close_fails(self):
|
|
|
|
srcfile = self.Faux(True)
|
|
destfile = self.Faux()
|
|
|
|
def _open(filename, mode='r'):
|
|
if filename == 'srcfile':
|
|
return srcfile
|
|
if filename == 'destfile':
|
|
return destfile
|
|
assert 0 # shouldn't reach here.
|
|
|
|
self._set_shutil_open(_open)
|
|
|
|
self.assertRaises(IOError,
|
|
shutil.copyfile, 'srcfile', 'destfile')
|
|
self.assertTrue(srcfile._entered)
|
|
self.assertTrue(destfile._entered)
|
|
self.assertFalse(destfile._raised)
|
|
self.assertTrue(srcfile._exited_with[0] is None)
|
|
self.assertTrue(srcfile._raised)
|
|
|
|
def test_move_dir_caseinsensitive(self):
|
|
# Renames a folder to the same name
|
|
# but a different case.
|
|
|
|
self.src_dir = tempfile.mkdtemp()
|
|
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)
|
|
|
|
|
|
def test_main():
|
|
support.run_unittest(TestShutil, TestMove, TestCopyFile,
|
|
TermsizeTests, TestWhich)
|
|
|
|
if __name__ == '__main__':
|
|
test_main()
|