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Issue #15478: Use source filename in OSError, not destination filename

Browse source 
And other fixes for Windows:

 * rename, replace and link require arguments of the same type on Windows
 * readlink only supports unicode filenames on Windows
 * os.open() specifies the filename on OSError
This commit is contained in:
Victor Stinner 2012-10-31 22:47:43 +01:00
parent a0c811e439
commit afe1706457
2 changed files with 53 additions and 47 deletions
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86
Lib/test/test_os.py
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@ -2051,68 +2051,82 @@ class OSErrorTests(unittest.TestCase):
class Str(str):
pass
self.filenames = []
self.bytes_filenames = []
self.unicode_filenames = []
if support.TESTFN_UNENCODABLE is not None:
decoded = support.TESTFN_UNENCODABLE
else:
decoded = support.TESTFN
self.filenames.append(decoded)
self.filenames.append(Str(decoded))
self.unicode_filenames.append(decoded)
self.unicode_filenames.append(Str(decoded))
if support.TESTFN_UNDECODABLE is not None:
encoded = support.TESTFN_UNDECODABLE
else:
encoded = os.fsencode(support.TESTFN)
self.filenames.append(encoded)
self.filenames.append(memoryview(encoded))
self.bytes_filenames.append(encoded)
self.bytes_filenames.append(memoryview(encoded))
self.filenames = self.bytes_filenames + self.unicode_filenames
def test_oserror_filename(self):
funcs = [
(os.chdir,),
(os.chmod, 0o777),
(os.listdir,),
(os.lstat,),
(os.open, os.O_RDONLY),
(os.rename, "dst"),
(os.replace, "dst"),
(os.rmdir,),
(os.stat,),
(os.unlink,),
(self.filenames, os.chdir,),
(self.filenames, os.chmod, 0o777),
(self.filenames, os.listdir,),
(self.filenames, os.lstat,),
(self.filenames, os.open, os.O_RDONLY),
(self.filenames, os.rmdir,),
(self.filenames, os.stat,),
(self.filenames, os.unlink,),
]
if hasattr(os, "chown"):
funcs.append((os.chown, 0, 0))
if hasattr(os, "lchown"):
funcs.append((os.lchown, 0, 0))
if hasattr(os, "truncate"):
funcs.append((os.truncate, 0))
if sys.platform == "win32":
import nt
funcs.extend((
(nt._getfullpathname,),
(nt._isdir,),
(self.bytes_filenames, os.rename, b"dst"),
(self.bytes_filenames, os.replace, b"dst"),
(self.unicode_filenames, os.rename, "dst"),
(self.unicode_filenames, os.replace, "dst"),
))
else:
funcs.extend((
(self.filenames, os.rename, "dst"),
(self.filenames, os.replace, "dst"),
))
if hasattr(os, "chown"):
funcs.append((self.filenames, os.chown, 0, 0))
if hasattr(os, "lchown"):
funcs.append((self.filenames, os.lchown, 0, 0))
if hasattr(os, "truncate"):
funcs.append((self.filenames, os.truncate, 0))
if hasattr(os, "chflags"):
funcs.extend((
(os.chflags, 0),
(os.lchflags, 0),
(self.filenames, os.chflags, 0),
(self.filenames, os.lchflags, 0),
))
if hasattr(os, "chroot"):
funcs.append((os.chroot,))
funcs.append((self.filenames, os.chroot,))
if hasattr(os, "link"):
funcs.append((os.link, "dst"))
if sys.platform == "win32":
funcs.append((self.bytes_filenames, os.link, b"dst"))
funcs.append((self.unicode_filenames, os.link, "dst"))
else:
funcs.append((self.filenames, os.link, "dst"))
if hasattr(os, "listxattr"):
funcs.extend((
(os.listxattr,),
(os.getxattr, "user.test"),
(os.setxattr, "user.test", b'user'),
(os.removexattr, "user.test"),
(self.filenames, os.listxattr,),
(self.filenames, os.getxattr, "user.test"),
(self.filenames, os.setxattr, "user.test", b'user'),
(self.filenames, os.removexattr, "user.test"),
))
if hasattr(os, "lchmod"):
funcs.append((os.lchmod, 0o777))
funcs.append((self.filenames, os.lchmod, 0o777))
if hasattr(os, "readlink"):
funcs.append((os.readlink,))
if sys.platform == "win32":
funcs.append((self.unicode_filenames, os.readlink,))
else:
funcs.append((self.filenames, os.readlink,))
for func, *func_args in funcs:
for name in self.filenames:
for filenames, func, *func_args in funcs:
for name in filenames:
try:
func(name, *func_args)
except OSError as err: