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Issue #16719: Get rid of WindowsError. Use OSError instead 

Patch by Serhiy Storchaka.
This commit is contained in:
Andrew Svetlov 2012-12-19 14:33:35 +02:00
parent 8a045cb93b
commit 2606a6f197
28 changed files with 79 additions and 87 deletions
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7
Doc/library/shutil.rst
View File

@ -393,11 +393,10 @@ provided by this module. ::
errors.extend(err.args[0])
try:
copystat(src, dst)
except WindowsError:
# can't copy file access times on Windows
pass
except OSError as why:
errors.extend((src, dst, str(why)))
# can't copy file access times on Windows
if why.winerror is None:
errors.extend((src, dst, str(why)))
if errors:
raise Error(errors)

6
Lib/ctypes/__init__.py
View File

@ -395,7 +395,7 @@ if _os.name in ("nt", "ce"):
_type_ = "l"
# _check_retval_ is called with the function's result when it
# is used as restype. It checks for the FAILED bit, and
# raises a WindowsError if it is set.
# raises an OSError if it is set.
#
# The _check_retval_ method is implemented in C, so that the
# method definition itself is not included in the traceback
@ -407,7 +407,7 @@ if _os.name in ("nt", "ce"):
class OleDLL(CDLL):
"""This class represents a dll exporting functions using the
Windows stdcall calling convention, and returning HRESULT.
HRESULT error values are automatically raised as WindowsError
HRESULT error values are automatically raised as OSError
exceptions.
"""
_func_flags_ = _FUNCFLAG_STDCALL
@ -456,7 +456,7 @@ if _os.name in ("nt", "ce"):
code = GetLastError()
if descr is None:
descr = FormatError(code).strip()
return WindowsError(None, descr, None, code)
return OSError(None, descr, None, code)
if sizeof(c_uint) == sizeof(c_void_p):
c_size_t = c_uint

2
Lib/ctypes/test/test_checkretval.py
View File

@ -31,7 +31,7 @@ class Test(unittest.TestCase):
pass
else:
def test_oledll(self):
self.assertRaises(WindowsError,
self.assertRaises(OSError,
oledll.oleaut32.CreateTypeLib2,
0, None, None)

2
Lib/ctypes/test/test_win32.py
View File

@ -40,7 +40,7 @@ if sys.platform == "win32":
# Call functions with invalid arguments, and make sure
# that access violations are trapped and raise an
# exception.
self.assertRaises(WindowsError, windll.kernel32.GetModuleHandleA, 32)
self.assertRaises(OSError, windll.kernel32.GetModuleHandleA, 32)
def test_noargs(self):
# This is a special case on win32 x64

4
Lib/idlelib/EditorWindow.py
View File

@ -536,7 +536,7 @@ class EditorWindow(object):
if sys.platform[:3] == 'win':
try:
os.startfile(self.help_url)
except WindowsError as why:
except OSError as why:
tkMessageBox.showerror(title='Document Start Failure',
message=str(why), parent=self.text)
else:
@ -845,7 +845,7 @@ class EditorWindow(object):
if sys.platform[:3] == 'win':
try:
os.startfile(helpfile)
except WindowsError as why:
except OSError as why:
tkMessageBox.showerror(title='Document Start Failure',
message=str(why), parent=self.text)
else:

4
Lib/importlib/_bootstrap.py
View File

@ -755,7 +755,7 @@ class WindowsRegistryFinder:
def _open_registry(cls, key):
try:
return _winreg.OpenKey(_winreg.HKEY_CURRENT_USER, key)
except WindowsError:
except OSError:
return _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, key)
@classmethod
@ -769,7 +769,7 @@ class WindowsRegistryFinder:
try:
with cls._open_registry(key) as hkey:
filepath = _winreg.QueryValue(hkey, "")
except WindowsError:
except OSError:
return None
return filepath

2
Lib/multiprocessing/connection.py
View File

@ -676,7 +676,7 @@ if sys.platform == 'win32':
0, _winapi.NULL, _winapi.OPEN_EXISTING,
_winapi.FILE_FLAG_OVERLAPPED, _winapi.NULL
)
except WindowsError as e:
except OSError as e:
if e.winerror not in (_winapi.ERROR_SEM_TIMEOUT,
_winapi.ERROR_PIPE_BUSY) or _check_timeout(t):
raise

4
Lib/ntpath.py
View File

@ -331,7 +331,7 @@ def lexists(path):
"""Test whether a path exists. Returns True for broken symbolic links"""
try:
st = os.lstat(path)
except (OSError, WindowsError):
except OSError:
return False
return True
@ -584,7 +584,7 @@ else: # use native Windows method on Windows
if path: # Empty path must return current working directory.
try:
path = _getfullpathname(path)
except WindowsError:
except OSError:
pass # Bad path - return unchanged.
elif isinstance(path, bytes):
path = os.getcwdb()

2
Lib/platform.py
View File

@ -581,7 +581,7 @@ def win32_ver(release='',version='',csd='',ptype=''):
# Discard any type that isn't REG_SZ
if type == REG_SZ and name.find("Server") != -1:
product_type = VER_NT_SERVER
except WindowsError:
except OSError:
# Use default of VER_NT_WORKSTATION
pass

11
Lib/shutil.py
View File

@ -60,11 +60,6 @@ class RegistryError(Exception):
and unpacking registeries fails"""
try:
WindowsError
except NameError:
WindowsError = None
def copyfileobj(fsrc, fdst, length=16*1024):
"""copy data from file-like object fsrc to file-like object fdst"""
while 1:
@ -334,10 +329,8 @@ def copytree(src, dst, symlinks=False, ignore=None, copy_function=copy2,
try:
copystat(src, dst)
except OSError as why:
if WindowsError is not None and isinstance(why, WindowsError):
# Copying file access times may fail on Windows
pass
else:
# Copying file access times may fail on Windows
if why.winerror is None:
errors.append((src, dst, str(why)))
if errors:
raise Error(errors)

4
Lib/tarfile.py
View File

@ -56,9 +56,9 @@ except ImportError:
# os.symlink on Windows prior to 6.0 raises NotImplementedError
symlink_exception = (AttributeError, NotImplementedError)
try:
# WindowsError (1314) will be raised if the caller does not hold the
# OSError (winerror=1314) will be raised if the caller does not hold the
# SeCreateSymbolicLinkPrivilege privilege
symlink_exception += (WindowsError,)
symlink_exception += (OSError,)
except NameError:
pass

4
Lib/test/test_codecs.py
View File

@ -2035,8 +2035,8 @@ class CodePageTest(unittest.TestCase):
def test_invalid_code_page(self):
self.assertRaises(ValueError, codecs.code_page_encode, -1, 'a')
self.assertRaises(ValueError, codecs.code_page_decode, -1, b'a')
self.assertRaises(WindowsError, codecs.code_page_encode, 123, 'a')
self.assertRaises(WindowsError, codecs.code_page_decode, 123, b'a')
self.assertRaises(OSError, codecs.code_page_encode, 123, 'a')
self.assertRaises(OSError, codecs.code_page_decode, 123, b'a')
def test_code_page_name(self):
self.assertRaisesRegex(UnicodeEncodeError, 'cp932',

2
Lib/test/test_mmap.py
View File

@ -658,7 +658,7 @@ class MmapTests(unittest.TestCase):
m = mmap.mmap(f.fileno(), 0)
f.close()
try:
m.resize(0) # will raise WindowsError
m.resize(0) # will raise OSError
except:
pass
try:

18
Lib/test/test_os.py
View File

@ -468,9 +468,9 @@ class StatAttributeTests(unittest.TestCase):
# Verify that an open file can be stat'ed
try:
os.stat(r"c:\pagefile.sys")
except WindowsError as e:
if e.errno == 2: # file does not exist; cannot run test
return
except FileNotFoundError:
pass # file does not exist; cannot run test
except OSError as e:
self.fail("Could not stat pagefile.sys")
@unittest.skipUnless(hasattr(os, "pipe"), "requires os.pipe()")
@ -1042,27 +1042,27 @@ class ExecTests(unittest.TestCase):
class Win32ErrorTests(unittest.TestCase):
def test_rename(self):
self.assertRaises(WindowsError, os.rename, support.TESTFN, support.TESTFN+".bak")
self.assertRaises(OSError, os.rename, support.TESTFN, support.TESTFN+".bak")
def test_remove(self):
self.assertRaises(WindowsError, os.remove, support.TESTFN)
self.assertRaises(OSError, os.remove, support.TESTFN)
def test_chdir(self):
self.assertRaises(WindowsError, os.chdir, support.TESTFN)
self.assertRaises(OSError, os.chdir, support.TESTFN)
def test_mkdir(self):
f = open(support.TESTFN, "w")
try:
self.assertRaises(WindowsError, os.mkdir, support.TESTFN)
self.assertRaises(OSError, os.mkdir, support.TESTFN)
finally:
f.close()
os.unlink(support.TESTFN)
def test_utime(self):
self.assertRaises(WindowsError, os.utime, support.TESTFN, None)
self.assertRaises(OSError, os.utime, support.TESTFN, None)
def test_chmod(self):
self.assertRaises(WindowsError, os.chmod, support.TESTFN, 0)
self.assertRaises(OSError, os.chmod, support.TESTFN, 0)
class TestInvalidFD(unittest.TestCase):
singles = ["fchdir", "dup", "fdopen", "fdatasync", "fstat",

16
Lib/test/test_winreg.py
View File

@ -54,13 +54,13 @@ class BaseWinregTests(unittest.TestCase):
def delete_tree(self, root, subkey):
try:
hkey = OpenKey(root, subkey, KEY_ALL_ACCESS)
except WindowsError:
except OSError:
# subkey does not exist
return
while True:
try:
subsubkey = EnumKey(hkey, 0)
except WindowsError:
except OSError:
# no more subkeys
break
self.delete_tree(hkey, subsubkey)
@ -176,7 +176,7 @@ class BaseWinregTests(unittest.TestCase):
try:
key = OpenKey(root_key, test_key_name)
self.fail("Could open the non-existent key")
except WindowsError: # Use this error name this time
except OSError: # Use this error name this time
pass
def _test_all(self, root_key, subkeystr="sub_key"):
@ -227,7 +227,7 @@ class LocalWinregTests(BaseWinregTests):
def test_inexistant_remote_registry(self):
connect = lambda: ConnectRegistry("abcdefghijkl", HKEY_CURRENT_USER)
self.assertRaises(WindowsError, connect)
self.assertRaises(OSError, connect)
def testExpandEnvironmentStrings(self):
r = ExpandEnvironmentStrings("%windir%\\test")
@ -239,8 +239,8 @@ class LocalWinregTests(BaseWinregTests):
try:
with ConnectRegistry(None, HKEY_LOCAL_MACHINE) as h:
self.assertNotEqual(h.handle, 0)
raise WindowsError
except WindowsError:
raise OSError
except OSError:
self.assertEqual(h.handle, 0)
def test_changing_value(self):
@ -375,7 +375,7 @@ class Win64WinregTests(BaseWinregTests):
open_fail = lambda: OpenKey(HKEY_CURRENT_USER,
test_reflect_key_name, 0,
KEY_READ | KEY_WOW64_64KEY)
self.assertRaises(WindowsError, open_fail)
self.assertRaises(OSError, open_fail)
# Now explicitly open the 64-bit version of the key
with OpenKey(HKEY_CURRENT_USER, test_reflect_key_name, 0,
@ -415,7 +415,7 @@ class Win64WinregTests(BaseWinregTests):
open_fail = lambda: OpenKeyEx(HKEY_CURRENT_USER,
test_reflect_key_name, 0,
KEY_READ | KEY_WOW64_64KEY)
self.assertRaises(WindowsError, open_fail)
self.assertRaises(OSError, open_fail)
# Make sure the 32-bit key is actually there
with OpenKeyEx(HKEY_CURRENT_USER, test_reflect_key_name, 0,

2
Lib/test/test_winsound.py
View File

@ -22,7 +22,7 @@ def has_sound(sound):
key = winreg.OpenKeyEx(winreg.HKEY_CURRENT_USER,
"AppEvents\Schemes\Apps\.Default\{0}\.Default".format(sound))
return winreg.EnumValue(key, 0)[1] != ""
except WindowsError:
except OSError:
return False
class BeepTest(unittest.TestCase):

4
Lib/urllib/request.py
View File

@ -2573,7 +2573,7 @@ elif os.name == 'nt':
proxies['https'] = 'https://%s' % proxyServer
proxies['ftp'] = 'ftp://%s' % proxyServer
internetSettings.Close()
except (WindowsError, ValueError, TypeError):
except (OSError, ValueError, TypeError):
# Either registry key not found etc, or the value in an
# unexpected format.
# proxies already set up to be empty so nothing to do
@ -2603,7 +2603,7 @@ elif os.name == 'nt':
proxyOverride = str(winreg.QueryValueEx(internetSettings,
'ProxyOverride')[0])
# ^^^^ Returned as Unicode but problems if not converted to ASCII
except WindowsError:
except OSError:
return 0
if not proxyEnable or not proxyOverride:
return 0

2
Lib/webbrowser.py
View File

@ -534,7 +534,7 @@ if sys.platform[:3] == "win":
def open(self, url, new=0, autoraise=True):
try:
os.startfile(url)
except WindowsError:
except OSError:
# [Error 22] No application is associated with the specified
# file for this operation: '<URL>'
return False

36
Modules/_ctypes/callproc.c
View File

@ -257,18 +257,18 @@ static void SetException(DWORD code, EXCEPTION_RECORD *pr)
to a virtual address for which it does not
have the appropriate access. */
if (pr->ExceptionInformation[0] == 0)
PyErr_Format(PyExc_WindowsError,
PyErr_Format(PyExc_OSError,
"exception: access violation reading %p",
pr->ExceptionInformation[1]);
else
PyErr_Format(PyExc_WindowsError,
PyErr_Format(PyExc_OSError,
"exception: access violation writing %p",
pr->ExceptionInformation[1]);
break;
case EXCEPTION_BREAKPOINT:
/* A breakpoint was encountered. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: breakpoint encountered");
break;
@ -278,14 +278,14 @@ static void SetException(DWORD code, EXCEPTION_RECORD *pr)
alignment. For example, 16-bit values must be
aligned on 2-byte boundaries, 32-bit values on
4-byte boundaries, and so on. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: datatype misalignment");
break;
case EXCEPTION_SINGLE_STEP:
/* A trace trap or other single-instruction mechanism
signaled that one instruction has been executed. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: single step");
break;
@ -293,7 +293,7 @@ static void SetException(DWORD code, EXCEPTION_RECORD *pr)
/* The thread attempted to access an array element
that is out of bounds, and the underlying hardware
supports bounds checking. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: array bounds exceeded");
break;
@ -302,28 +302,28 @@ static void SetException(DWORD code, EXCEPTION_RECORD *pr)
is denormal. A denormal value is one that is too
small to represent as a standard floating-point
value. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: floating-point operand denormal");
break;
case EXCEPTION_FLT_DIVIDE_BY_ZERO:
/* The thread attempted to divide a floating-point
value by a floating-point divisor of zero. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: float divide by zero");
break;
case EXCEPTION_FLT_INEXACT_RESULT:
/* The result of a floating-point operation cannot be
represented exactly as a decimal fraction. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: float inexact");
break;
case EXCEPTION_FLT_INVALID_OPERATION:
/* This exception represents any floating-point
exception not included in this list. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: float invalid operation");
break;
@ -331,21 +331,21 @@ static void SetException(DWORD code, EXCEPTION_RECORD *pr)
/* The exponent of a floating-point operation is
greater than the magnitude allowed by the
corresponding type. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: float overflow");
break;
case EXCEPTION_FLT_STACK_CHECK:
/* The stack overflowed or underflowed as the result
of a floating-point operation. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: stack over/underflow");
break;
case EXCEPTION_STACK_OVERFLOW:
/* The stack overflowed or underflowed as the result
of a floating-point operation. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: stack overflow");
break;
@ -353,21 +353,21 @@ static void SetException(DWORD code, EXCEPTION_RECORD *pr)
/* The exponent of a floating-point operation is less
than the magnitude allowed by the corresponding
type. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: float underflow");
break;
case EXCEPTION_INT_DIVIDE_BY_ZERO:
/* The thread attempted to divide an integer value by
an integer divisor of zero. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: integer divide by zero");
break;
case EXCEPTION_INT_OVERFLOW:
/* The result of an integer operation caused a carry
out of the most significant bit of the result. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: integer overflow");
break;
@ -375,14 +375,14 @@ static void SetException(DWORD code, EXCEPTION_RECORD *pr)
/* The thread attempted to execute an instruction
whose operation is not allowed in the current
machine mode. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: priviledged instruction");
break;
case EXCEPTION_NONCONTINUABLE_EXCEPTION:
/* The thread attempted to continue execution after a
noncontinuable exception occurred. */
PyErr_SetString(PyExc_WindowsError,
PyErr_SetString(PyExc_OSError,
"exception: nocontinuable");
break;

4
Modules/_multiprocessing/multiprocessing.c
View File

@ -21,12 +21,12 @@ _PyMp_SetError(PyObject *Type, int num)
#ifdef MS_WINDOWS
case MP_STANDARD_ERROR:
if (Type == NULL)
Type = PyExc_WindowsError;
Type = PyExc_OSError;
PyErr_SetExcFromWindowsErr(Type, 0);
break;
case MP_SOCKET_ERROR:
if (Type == NULL)
Type = PyExc_WindowsError;
Type = PyExc_OSError;
PyErr_SetExcFromWindowsErr(Type, WSAGetLastError());
break;
#else /* !MS_WINDOWS */

2
Modules/posixmodule.c
View File

@ -1041,7 +1041,7 @@ win32_error_object(char* function, PyObject* filename)
errno = GetLastError();
if (filename)
return PyErr_SetExcFromWindowsErrWithFilenameObject(
PyExc_WindowsError,
PyExc_OSError,
errno,
filename);
else

10
Objects/unicodeobject.c
View File

@ -6589,8 +6589,8 @@ decode_code_page_flags(UINT code_page)
* Decode a byte string from a Windows code page into unicode object in strict
* mode.
*
* Returns consumed size if succeed, returns -2 on decode error, or raise a
* WindowsError and returns -1 on other error.
* Returns consumed size if succeed, returns -2 on decode error, or raise an
* OSError and returns -1 on other error.
*/
static int
decode_code_page_strict(UINT code_page,
@ -6641,7 +6641,7 @@ error:
* Decode a byte string from a code page into unicode object with an error
* handler.
*
* Returns consumed size if succeed, or raise a WindowsError or
* Returns consumed size if succeed, or raise an OSError or
* UnicodeDecodeError exception and returns -1 on error.
*/
static int
@ -6897,7 +6897,7 @@ encode_code_page_flags(UINT code_page, const char *errors)
* mode.
*
* Returns consumed characters if succeed, returns -2 on encode error, or raise
* a WindowsError and returns -1 on other error.
* an OSError and returns -1 on other error.
*/
static int
encode_code_page_strict(UINT code_page, PyObject **outbytes,
@ -6993,7 +6993,7 @@ error:
* Encode a Unicode string to a Windows code page into a byte string using a
* error handler.
*
* Returns consumed characters if succeed, or raise a WindowsError and returns
* Returns consumed characters if succeed, or raise an OSError and returns
* -1 on other error.
*/
static int

2
PC/VC6/build_ssl.py
View File

@ -66,7 +66,7 @@ def find_best_ssl_dir(sources):
# note: do not abspath s; the build will fail if any
# higher up directory name has spaces in it.
fnames = os.listdir(s)
except os.error:
except OSError:
fnames = []
for fname in fnames:
fqn = os.path.join(s, fname)

2
PC/VS7.1/build_ssl.py
View File

@ -62,7 +62,7 @@ def find_best_ssl_dir(sources):
# note: do not abspath s; the build will fail if any
# higher up directory name has spaces in it.
fnames = os.listdir(s)
except os.error:
except OSError:
fnames = []
for fname in fnames:
fqn = os.path.join(s, fname)

2
PC/VS8.0/build_ssl.py
View File

@ -71,7 +71,7 @@ def find_best_ssl_dir(sources):
# note: do not abspath s; the build will fail if any
# higher up directory name has spaces in it.
fnames = os.listdir(s)
except os.error:
except OSError:
fnames = []
for fname in fnames:
fqn = os.path.join(s, fname)

4
PC/winreg.c
View File

@ -1794,9 +1794,9 @@ PyMODINIT_FUNC PyInit_winreg(void)
if (PyDict_SetItemString(d, "HKEYType",
(PyObject *)&PyHKEY_Type) != 0)
return NULL;
Py_INCREF(PyExc_WindowsError);
Py_INCREF(PyExc_OSError);
if (PyDict_SetItemString(d, "error",
PyExc_WindowsError) != 0)
PyExc_OSError) != 0)
return NULL;
/* Add the relevant constants */

6
Python/errors.c
View File

@ -588,7 +588,7 @@ PyObject *PyErr_SetExcFromWindowsErr(PyObject *exc, int ierr)
PyObject *PyErr_SetFromWindowsErr(int ierr)
{
return PyErr_SetExcFromWindowsErrWithFilename(PyExc_WindowsError,
return PyErr_SetExcFromWindowsErrWithFilename(PyExc_OSError,
ierr, NULL);
}
PyObject *PyErr_SetFromWindowsErrWithFilename(
@ -597,7 +597,7 @@ PyObject *PyErr_SetFromWindowsErrWithFilename(
{
PyObject *name = filename ? PyUnicode_DecodeFSDefault(filename) : NULL;
PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
PyExc_WindowsError,
PyExc_OSError,
ierr, name);
Py_XDECREF(name);
return result;
@ -611,7 +611,7 @@ PyObject *PyErr_SetFromWindowsErrWithUnicodeFilename(
PyUnicode_FromUnicode(filename, wcslen(filename)) :
NULL;
PyObject *result = PyErr_SetExcFromWindowsErrWithFilenameObject(
PyExc_WindowsError,
PyExc_OSError,
ierr, name);
Py_XDECREF(name);
return result;

2
Tools/scripts/win_add2path.py
View File

@ -30,7 +30,7 @@ def modify():
with winreg.CreateKey(HKCU, ENV) as key:
try:
envpath = winreg.QueryValueEx(key, PATH)[0]
except WindowsError:
except OSError:
envpath = DEFAULT
paths = [envpath]