def abspath(path):
"""Return the absolute version of a path."""
if path: # Empty path must return current working directory.
path = os.fspath(path)
try:
path = _getfullpathname(path)
except OSError:
pass # Bad path - return unchanged.
elif isinstance(path, bytes):
path = os.getcwdb()
else:
path = os.getcwd()
return normpath(path)
# realpath is a no-op on systems without islink support
python类getcwdb()的实例源码
def abspath(path):
"""Return the absolute version of a path."""
if path: # Empty path must return current working directory.
path = os.fspath(path)
try:
path = _getfullpathname(path)
except OSError:
pass # Bad path - return unchanged.
elif isinstance(path, bytes):
path = os.getcwdb()
else:
path = os.getcwd()
return normpath(path)
# realpath is a no-op on systems without islink support
def _do_directory(self, make_name, chdir_name):
cwd = os.getcwdb()
if os.path.isdir(make_name):
rmtree(make_name)
os.mkdir(make_name)
try:
os.chdir(chdir_name)
try:
cwd_result = os.getcwd()
name_result = make_name
cwd_result = unicodedata.normalize("NFD", cwd_result)
name_result = unicodedata.normalize("NFD", name_result)
self.assertEqual(os.path.basename(cwd_result),name_result)
finally:
os.chdir(cwd)
finally:
os.rmdir(make_name)
# The '_test' functions 'entry points with params' - ie, what the
# top-level 'test' functions would be if they could take params
def abspath(path):
"""Return the absolute version of a path."""
if path: # Empty path must return current working directory.
path = os.fspath(path)
try:
path = _getfullpathname(path)
except OSError:
pass # Bad path - return unchanged.
elif isinstance(path, bytes):
path = os.getcwdb()
else:
path = os.getcwd()
return normpath(path)
# realpath is a no-op on systems without islink support
def test_deprecated(self):
import nt
filename = os.fsencode(support.TESTFN)
with warnings.catch_warnings():
warnings.simplefilter("error", DeprecationWarning)
for func, *args in (
(nt._getfullpathname, filename),
(nt._isdir, filename),
(os.access, filename, os.R_OK),
(os.chdir, filename),
(os.chmod, filename, 0o777),
(os.getcwdb,),
(os.link, filename, filename),
(os.listdir, filename),
(os.lstat, filename),
(os.mkdir, filename),
(os.open, filename, os.O_RDONLY),
(os.rename, filename, filename),
(os.rmdir, filename),
(os.startfile, filename),
(os.stat, filename),
(os.unlink, filename),
(os.utime, filename),
):
self.assertRaises(DeprecationWarning, func, *args)
def test_deprecated(self):
import nt
filename = os.fsencode(support.TESTFN)
with warnings.catch_warnings():
warnings.simplefilter("error", DeprecationWarning)
for func, *args in (
(nt._getfullpathname, filename),
(nt._isdir, filename),
(os.access, filename, os.R_OK),
(os.chdir, filename),
(os.chmod, filename, 0o777),
(os.getcwdb,),
(os.link, filename, filename),
(os.listdir, filename),
(os.lstat, filename),
(os.mkdir, filename),
(os.open, filename, os.O_RDONLY),
(os.rename, filename, filename),
(os.rmdir, filename),
(os.startfile, filename),
(os.stat, filename),
(os.unlink, filename),
(os.utime, filename),
):
self.assertRaises(DeprecationWarning, func, *args)
def test_deprecated(self):
import nt
filename = os.fsencode(support.TESTFN)
with warnings.catch_warnings():
warnings.simplefilter("error", DeprecationWarning)
for func, *args in (
(nt._getfullpathname, filename),
(nt._isdir, filename),
(os.access, filename, os.R_OK),
(os.chdir, filename),
(os.chmod, filename, 0o777),
(os.getcwdb,),
(os.link, filename, filename),
(os.listdir, filename),
(os.lstat, filename),
(os.mkdir, filename),
(os.open, filename, os.O_RDONLY),
(os.rename, filename, filename),
(os.rmdir, filename),
(os.startfile, filename),
(os.stat, filename),
(os.unlink, filename),
(os.utime, filename),
):
self.assertRaises(DeprecationWarning, func, *args)
def abspath(path):
"""Return the absolute version of a path."""
path = os.fspath(path)
if not isabs(path):
if isinstance(path, bytes):
cwd = os.getcwdb()
else:
cwd = os.getcwd()
path = join(cwd, path)
return normpath(path)
def abspath(path):
"""Return an absolute path."""
path = os.fspath(path)
if not isabs(path):
if isinstance(path, bytes):
cwd = os.getcwdb()
else:
cwd = os.getcwd()
path = join(cwd, path)
return normpath(path)
# Return a canonical path (i.e. the absolute location of a file on the
# filesystem).
def abspath(path):
"""Return the absolute version of a path."""
path = os.fspath(path)
if not isabs(path):
if isinstance(path, bytes):
cwd = os.getcwdb()
else:
cwd = os.getcwd()
path = join(cwd, path)
return normpath(path)
def abspath(path):
"""Return an absolute path."""
path = os.fspath(path)
if not isabs(path):
if isinstance(path, bytes):
cwd = os.getcwdb()
else:
cwd = os.getcwd()
path = join(cwd, path)
return normpath(path)
# Return a canonical path (i.e. the absolute location of a file on the
# filesystem).
def abspath(path):
"""Return the absolute version of a path."""
if not isabs(path):
if isinstance(path, bytes):
cwd = os.getcwdb()
else:
cwd = os.getcwd()
path = join(cwd, path)
return normpath(path)
def abspath(path):
"""Return the absolute version of a path."""
if path: # Empty path must return current working directory.
try:
path = _getfullpathname(path)
except WindowsError:
pass # Bad path - return unchanged.
elif isinstance(path, bytes):
path = os.getcwdb()
else:
path = os.getcwd()
return normpath(path)
# realpath is a no-op on systems without islink support
def test_relpath_bytes(self):
(real_getcwdb, os.getcwdb) = (os.getcwdb, lambda: br"/home/user/bar")
try:
curdir = os.path.split(os.getcwdb())[-1]
self.assertRaises(ValueError, posixpath.relpath, b"")
self.assertEqual(posixpath.relpath(b"a"), b"a")
self.assertEqual(posixpath.relpath(posixpath.abspath(b"a")), b"a")
self.assertEqual(posixpath.relpath(b"a/b"), b"a/b")
self.assertEqual(posixpath.relpath(b"../a/b"), b"../a/b")
self.assertEqual(posixpath.relpath(b"a", b"../b"),
b"../"+curdir+b"/a")
self.assertEqual(posixpath.relpath(b"a/b", b"../c"),
b"../"+curdir+b"/a/b")
self.assertEqual(posixpath.relpath(b"a", b"b/c"), b"../../a")
self.assertEqual(posixpath.relpath(b"a", b"a"), b".")
self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/x/y/z"), b'../../../foo/bar/bat')
self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/foo/bar"), b'bat')
self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/"), b'foo/bar/bat')
self.assertEqual(posixpath.relpath(b"/", b"/foo/bar/bat"), b'../../..')
self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/x"), b'../foo/bar/bat')
self.assertEqual(posixpath.relpath(b"/x", b"/foo/bar/bat"), b'../../../x')
self.assertEqual(posixpath.relpath(b"/", b"/"), b'.')
self.assertEqual(posixpath.relpath(b"/a", b"/a"), b'.')
self.assertEqual(posixpath.relpath(b"/a/b", b"/a/b"), b'.')
self.assertRaises(TypeError, posixpath.relpath, b"bytes", "str")
self.assertRaises(TypeError, posixpath.relpath, "str", b"bytes")
finally:
os.getcwdb = real_getcwdb
def abspath(path):
"""Return an absolute path."""
if not isabs(path):
if isinstance(path, bytes):
cwd = os.getcwdb()
else:
cwd = os.getcwd()
path = join(cwd, path)
return normpath(path)
# Return a canonical path (i.e. the absolute location of a file on the
# filesystem).
def abspath(path):
"""Return an absolute path."""
if not isabs(path):
if isinstance(path, bytes):
cwd = os.getcwdb()
else:
cwd = os.getcwd()
path = join(cwd, path)
return normpath(path)
# realpath is a no-op on systems without islink support
def abspath(path):
"""Return the absolute version of a path."""
path = os.fspath(path)
if not isabs(path):
if isinstance(path, bytes):
cwd = os.getcwdb()
else:
cwd = os.getcwd()
path = join(cwd, path)
return normpath(path)
def abspath(path):
"""Return an absolute path."""
path = os.fspath(path)
if not isabs(path):
if isinstance(path, bytes):
cwd = os.getcwdb()
else:
cwd = os.getcwd()
path = join(cwd, path)
return normpath(path)
# Return a canonical path (i.e. the absolute location of a file on the
# filesystem).
def abspath(path):
"""Return the absolute version of a path."""
if not isabs(path):
if isinstance(path, bytes):
cwd = os.getcwdb()
else:
cwd = os.getcwd()
path = join(cwd, path)
return normpath(path)
def abspath(path):
"""Return the absolute version of a path."""
if path: # Empty path must return current working directory.
try:
path = _getfullpathname(path)
except OSError:
pass # Bad path - return unchanged.
elif isinstance(path, bytes):
path = os.getcwdb()
else:
path = os.getcwd()
return normpath(path)
# realpath is a no-op on systems without islink support
def abspath(path):
"""Return an absolute path."""
if not isabs(path):
if isinstance(path, bytes):
cwd = os.getcwdb()
else:
cwd = os.getcwd()
path = join(cwd, path)
return normpath(path)
# Return a canonical path (i.e. the absolute location of a file on the
# filesystem).
def test_unchanged(self):
s = """os.getcwd()"""
self.unchanged(s)
s = """getcwdu()"""
self.unchanged(s)
s = """os.getcwdb()"""
self.unchanged(s)
def test_unchanged(self):
s = """os.getcwd()"""
self.unchanged(s)
s = """getcwdu()"""
self.unchanged(s)
s = """os.getcwdb()"""
self.unchanged(s)
def abspath(path):
"""Return the absolute version of a path."""
if not isabs(path):
if isinstance(path, bytes):
cwd = os.getcwdb()
else:
cwd = os.getcwd()
path = join(cwd, path)
return normpath(path)
def abspath(path):
"""Return the absolute version of a path."""
if path: # Empty path must return current working directory.
try:
path = _getfullpathname(path)
except OSError:
pass # Bad path - return unchanged.
elif isinstance(path, bytes):
path = os.getcwdb()
else:
path = os.getcwd()
return normpath(path)
# realpath is a no-op on systems without islink support
def abspath(path):
"""Return an absolute path."""
if not isabs(path):
if isinstance(path, bytes):
cwd = os.getcwdb()
else:
cwd = os.getcwd()
path = join(cwd, path)
return normpath(path)
# Return a canonical path (i.e. the absolute location of a file on the
# filesystem).
def test_realpath_curdir(self):
self.assertEqual(realpath('.'), os.getcwd())
self.assertEqual(realpath('./.'), os.getcwd())
self.assertEqual(realpath('/'.join(['.'] * 100)), os.getcwd())
self.assertEqual(realpath(b'.'), os.getcwdb())
self.assertEqual(realpath(b'./.'), os.getcwdb())
self.assertEqual(realpath(b'/'.join([b'.'] * 100)), os.getcwdb())
def test_realpath_pardir(self):
self.assertEqual(realpath('..'), dirname(os.getcwd()))
self.assertEqual(realpath('../..'), dirname(dirname(os.getcwd())))
self.assertEqual(realpath('/'.join(['..'] * 100)), '/')
self.assertEqual(realpath(b'..'), dirname(os.getcwdb()))
self.assertEqual(realpath(b'../..'), dirname(dirname(os.getcwdb())))
self.assertEqual(realpath(b'/'.join([b'..'] * 100)), b'/')
def test_relpath_bytes(self):
(real_getcwdb, os.getcwdb) = (os.getcwdb, lambda: br"/home/user/bar")
try:
curdir = os.path.split(os.getcwdb())[-1]
self.assertRaises(ValueError, posixpath.relpath, b"")
self.assertEqual(posixpath.relpath(b"a"), b"a")
self.assertEqual(posixpath.relpath(posixpath.abspath(b"a")), b"a")
self.assertEqual(posixpath.relpath(b"a/b"), b"a/b")
self.assertEqual(posixpath.relpath(b"../a/b"), b"../a/b")
self.assertEqual(posixpath.relpath(b"a", b"../b"),
b"../"+curdir+b"/a")
self.assertEqual(posixpath.relpath(b"a/b", b"../c"),
b"../"+curdir+b"/a/b")
self.assertEqual(posixpath.relpath(b"a", b"b/c"), b"../../a")
self.assertEqual(posixpath.relpath(b"a", b"a"), b".")
self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/x/y/z"), b'../../../foo/bar/bat')
self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/foo/bar"), b'bat')
self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/"), b'foo/bar/bat')
self.assertEqual(posixpath.relpath(b"/", b"/foo/bar/bat"), b'../../..')
self.assertEqual(posixpath.relpath(b"/foo/bar/bat", b"/x"), b'../foo/bar/bat')
self.assertEqual(posixpath.relpath(b"/x", b"/foo/bar/bat"), b'../../../x')
self.assertEqual(posixpath.relpath(b"/", b"/"), b'.')
self.assertEqual(posixpath.relpath(b"/a", b"/a"), b'.')
self.assertEqual(posixpath.relpath(b"/a/b", b"/a/b"), b'.')
self.assertRaises(TypeError, posixpath.relpath, b"bytes", "str")
self.assertRaises(TypeError, posixpath.relpath, "str", b"bytes")
finally:
os.getcwdb = real_getcwdb
def abspath(path):
"""Return an absolute path."""
if not isabs(path):
if isinstance(path, bytes):
cwd = os.getcwdb()
else:
cwd = os.getcwd()
path = join(cwd, path)
return normpath(path)
# Return a canonical path (i.e. the absolute location of a file on the
# filesystem).
