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PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.

This commit is contained in:
Antoine Pitrou 2011-10-12 02:54:14 +02:00
parent 983b1434bd
commit 6b4883dec0
21 changed files with 689 additions and 454 deletions
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42
Include/pyerrors.h
View File

@ -45,18 +45,18 @@ typedef struct {
PyObject *myerrno;
PyObject *strerror;
PyObject *filename;
} PyEnvironmentErrorObject;
#ifdef MS_WINDOWS
typedef struct {
PyException_HEAD
PyObject *myerrno;
PyObject *strerror;
PyObject *filename;
PyObject *winerror;
} PyWindowsErrorObject;
#endif
Py_ssize_t written; /* only for BlockingIOError, -1 otherwise */
} PyOSErrorObject;
/* Compatibility typedefs */
typedef PyOSErrorObject PyEnvironmentErrorObject;
#ifdef MS_WINDOWS
typedef PyOSErrorObject PyWindowsErrorObject;
#endif
#endif /* !Py_LIMITED_API */
/* Error handling definitions */
@ -132,10 +132,9 @@ PyAPI_DATA(PyObject *) PyExc_LookupError;
PyAPI_DATA(PyObject *) PyExc_AssertionError;
PyAPI_DATA(PyObject *) PyExc_AttributeError;
PyAPI_DATA(PyObject *) PyExc_BufferError;
PyAPI_DATA(PyObject *) PyExc_EOFError;
PyAPI_DATA(PyObject *) PyExc_FloatingPointError;
PyAPI_DATA(PyObject *) PyExc_EnvironmentError;
PyAPI_DATA(PyObject *) PyExc_IOError;
PyAPI_DATA(PyObject *) PyExc_OSError;
PyAPI_DATA(PyObject *) PyExc_ImportError;
PyAPI_DATA(PyObject *) PyExc_IndexError;
@ -160,6 +159,27 @@ PyAPI_DATA(PyObject *) PyExc_UnicodeDecodeError;
PyAPI_DATA(PyObject *) PyExc_UnicodeTranslateError;
PyAPI_DATA(PyObject *) PyExc_ValueError;
PyAPI_DATA(PyObject *) PyExc_ZeroDivisionError;
PyAPI_DATA(PyObject *) PyExc_BlockingIOError;
PyAPI_DATA(PyObject *) PyExc_BrokenPipeError;
PyAPI_DATA(PyObject *) PyExc_ChildProcessError;
PyAPI_DATA(PyObject *) PyExc_ConnectionError;
PyAPI_DATA(PyObject *) PyExc_ConnectionAbortedError;
PyAPI_DATA(PyObject *) PyExc_ConnectionRefusedError;
PyAPI_DATA(PyObject *) PyExc_ConnectionResetError;
PyAPI_DATA(PyObject *) PyExc_FileExistsError;
PyAPI_DATA(PyObject *) PyExc_FileNotFoundError;
PyAPI_DATA(PyObject *) PyExc_InterruptedError;
PyAPI_DATA(PyObject *) PyExc_IsADirectoryError;
PyAPI_DATA(PyObject *) PyExc_NotADirectoryError;
PyAPI_DATA(PyObject *) PyExc_PermissionError;
PyAPI_DATA(PyObject *) PyExc_ProcessLookupError;
PyAPI_DATA(PyObject *) PyExc_TimeoutError;
/* Compatibility aliases */
PyAPI_DATA(PyObject *) PyExc_EnvironmentError;
PyAPI_DATA(PyObject *) PyExc_IOError;
#ifdef MS_WINDOWS
PyAPI_DATA(PyObject *) PyExc_WindowsError;
#endif
@ -167,8 +187,6 @@ PyAPI_DATA(PyObject *) PyExc_WindowsError;
PyAPI_DATA(PyObject *) PyExc_VMSError;
#endif
PyAPI_DATA(PyObject *) PyExc_BufferError;
PyAPI_DATA(PyObject *) PyExc_RecursionErrorInst;
/* Predefined warning categories */

12
Lib/_pyio.py
View File

@ -23,16 +23,8 @@ DEFAULT_BUFFER_SIZE = 8 * 1024 # bytes
# defined in io.py. We don't use real inheritance though, because we don't
# want to inherit the C implementations.
class BlockingIOError(IOError):
"""Exception raised when I/O would block on a non-blocking I/O stream."""
def __init__(self, errno, strerror, characters_written=0):
super().__init__(errno, strerror)
if not isinstance(characters_written, int):
raise TypeError("characters_written must be a integer")
self.characters_written = characters_written
# Rebind for compatibility
BlockingIOError = BlockingIOError
def open(file, mode="r", buffering=-1, encoding=None, errors=None,

8
Lib/multiprocessing/connection.py
View File

@ -321,7 +321,7 @@ if win32:
firstchunk = overlapped.getbuffer()
assert lenfirstchunk == len(firstchunk)
except IOError as e:
if e.errno == win32.ERROR_BROKEN_PIPE:
if e.winerror == win32.ERROR_BROKEN_PIPE:
raise EOFError
raise
buf.write(firstchunk)
@ -669,7 +669,7 @@ if sys.platform == 'win32':
try:
win32.ConnectNamedPipe(handle, win32.NULL)
except WindowsError as e:
if e.args[0] != win32.ERROR_PIPE_CONNECTED:
if e.winerror != win32.ERROR_PIPE_CONNECTED:
raise
return PipeConnection(handle)
@ -692,8 +692,8 @@ if sys.platform == 'win32':
0, win32.NULL, win32.OPEN_EXISTING, 0, win32.NULL
)
except WindowsError as e:
if e.args[0] not in (win32.ERROR_SEM_TIMEOUT,
win32.ERROR_PIPE_BUSY) or _check_timeout(t):
if e.winerror not in (win32.ERROR_SEM_TIMEOUT,
win32.ERROR_PIPE_BUSY) or _check_timeout(t):
raise
else:
break

21
Lib/test/exception_hierarchy.txt
View File

@ -11,11 +11,6 @@ BaseException
+-- AssertionError
+-- AttributeError
+-- BufferError
+-- EnvironmentError
| +-- IOError
| +-- OSError
| +-- WindowsError (Windows)
| +-- VMSError (VMS)
+-- EOFError
+-- ImportError
+-- LookupError
@ -24,6 +19,22 @@ BaseException
+-- MemoryError
+-- NameError
| +-- UnboundLocalError
+-- OSError
| +-- BlockingIOError
| +-- ChildProcessError
| +-- ConnectionError
| | +-- BrokenPipeError
| | +-- ConnectionAbortedError
| | +-- ConnectionRefusedError
| | +-- ConnectionResetError
| +-- FileExistsError
| +-- FileNotFoundError
| +-- InterruptedError
| +-- IsADirectoryError
| +-- NotADirectoryError
| +-- PermissionError
| +-- ProcessLookupError
| +-- TimeoutError
+-- ReferenceError
+-- RuntimeError
| +-- NotImplementedError

14
Lib/test/test_concurrent_futures.py
View File

@ -34,7 +34,7 @@ PENDING_FUTURE = create_future(state=PENDING)
RUNNING_FUTURE = create_future(state=RUNNING)
CANCELLED_FUTURE = create_future(state=CANCELLED)
CANCELLED_AND_NOTIFIED_FUTURE = create_future(state=CANCELLED_AND_NOTIFIED)
EXCEPTION_FUTURE = create_future(state=FINISHED, exception=IOError())
EXCEPTION_FUTURE = create_future(state=FINISHED, exception=OSError())
SUCCESSFUL_FUTURE = create_future(state=FINISHED, result=42)
@ -501,7 +501,7 @@ class FutureTests(unittest.TestCase):
'<Future at 0x[0-9a-f]+ state=cancelled>')
self.assertRegex(
repr(EXCEPTION_FUTURE),
'<Future at 0x[0-9a-f]+ state=finished raised IOError>')
'<Future at 0x[0-9a-f]+ state=finished raised OSError>')
self.assertRegex(
repr(SUCCESSFUL_FUTURE),
'<Future at 0x[0-9a-f]+ state=finished returned int>')
@ -512,7 +512,7 @@ class FutureTests(unittest.TestCase):
f2 = create_future(state=RUNNING)
f3 = create_future(state=CANCELLED)
f4 = create_future(state=CANCELLED_AND_NOTIFIED)
f5 = create_future(state=FINISHED, exception=IOError())
f5 = create_future(state=FINISHED, exception=OSError())
f6 = create_future(state=FINISHED, result=5)
self.assertTrue(f1.cancel())
@ -566,7 +566,7 @@ class FutureTests(unittest.TestCase):
CANCELLED_FUTURE.result, timeout=0)
self.assertRaises(futures.CancelledError,
CANCELLED_AND_NOTIFIED_FUTURE.result, timeout=0)
self.assertRaises(IOError, EXCEPTION_FUTURE.result, timeout=0)
self.assertRaises(OSError, EXCEPTION_FUTURE.result, timeout=0)
self.assertEqual(SUCCESSFUL_FUTURE.result(timeout=0), 42)
def test_result_with_success(self):
@ -605,7 +605,7 @@ class FutureTests(unittest.TestCase):
self.assertRaises(futures.CancelledError,
CANCELLED_AND_NOTIFIED_FUTURE.exception, timeout=0)
self.assertTrue(isinstance(EXCEPTION_FUTURE.exception(timeout=0),
IOError))
OSError))
self.assertEqual(SUCCESSFUL_FUTURE.exception(timeout=0), None)
def test_exception_with_success(self):
@ -614,14 +614,14 @@ class FutureTests(unittest.TestCase):
time.sleep(1)
with f1._condition:
f1._state = FINISHED
f1._exception = IOError()
f1._exception = OSError()
f1._condition.notify_all()
f1 = create_future(state=PENDING)
t = threading.Thread(target=notification)
t.start()
self.assertTrue(isinstance(f1.exception(timeout=5), IOError))
self.assertTrue(isinstance(f1.exception(timeout=5), OSError))
@test.support.reap_threads
def test_main():

43
Lib/test/test_exceptions.py
View File

@ -46,8 +46,8 @@ class ExceptionTests(unittest.TestCase):
fp.close()
unlink(TESTFN)
self.raise_catch(IOError, "IOError")
self.assertRaises(IOError, open, 'this file does not exist', 'r')
self.raise_catch(OSError, "OSError")
self.assertRaises(OSError, open, 'this file does not exist', 'r')
self.raise_catch(ImportError, "ImportError")
self.assertRaises(ImportError, __import__, "undefined_module")
@ -192,11 +192,35 @@ class ExceptionTests(unittest.TestCase):
except NameError:
pass
else:
self.assertEqual(str(WindowsError(1001)), "1001")
self.assertEqual(str(WindowsError(1001, "message")),
"[Error 1001] message")
self.assertEqual(WindowsError(1001, "message").errno, 22)
self.assertEqual(WindowsError(1001, "message").winerror, 1001)
self.assertIs(WindowsError, OSError)
self.assertEqual(str(OSError(1001)), "1001")
self.assertEqual(str(OSError(1001, "message")),
"[Errno 1001] message")
# POSIX errno (9 aka EBADF) is untranslated
w = OSError(9, 'foo', 'bar')
self.assertEqual(w.errno, 9)
self.assertEqual(w.winerror, None)
self.assertEqual(str(w), "[Errno 9] foo: 'bar'")
# ERROR_PATH_NOT_FOUND (win error 3) becomes ENOENT (2)
w = OSError(0, 'foo', 'bar', 3)
self.assertEqual(w.errno, 2)
self.assertEqual(w.winerror, 3)
self.assertEqual(w.strerror, 'foo')
self.assertEqual(w.filename, 'bar')
self.assertEqual(str(w), "[Error 3] foo: 'bar'")
# Unknown win error becomes EINVAL (22)
w = OSError(0, 'foo', None, 1001)
self.assertEqual(w.errno, 22)
self.assertEqual(w.winerror, 1001)
self.assertEqual(w.strerror, 'foo')
self.assertEqual(w.filename, None)
self.assertEqual(str(w), "[Error 1001] foo")
# Non-numeric "errno"
w = OSError('bar', 'foo')
self.assertEqual(w.errno, 'bar')
self.assertEqual(w.winerror, None)
self.assertEqual(w.strerror, 'foo')
self.assertEqual(w.filename, None)
def testAttributes(self):
# test that exception attributes are happy
@ -274,11 +298,12 @@ class ExceptionTests(unittest.TestCase):
'start' : 0, 'end' : 1}),
]
try:
# More tests are in test_WindowsError
exceptionList.append(
(WindowsError, (1, 'strErrorStr', 'filenameStr'),
{'args' : (1, 'strErrorStr'),
'strerror' : 'strErrorStr', 'winerror' : 1,
'errno' : 22, 'filename' : 'filenameStr'})
'strerror' : 'strErrorStr', 'winerror' : None,
'errno' : 1, 'filename' : 'filenameStr'})
)
except NameError:
pass

11
Lib/test/test_http_cookiejar.py
View File

@ -248,18 +248,19 @@ class FileCookieJarTests(unittest.TestCase):
self.assertEqual(c._cookies["www.acme.com"]["/"]["boo"].value, None)
def test_bad_magic(self):
# IOErrors (eg. file doesn't exist) are allowed to propagate
# OSErrors (eg. file doesn't exist) are allowed to propagate
filename = test.support.TESTFN
for cookiejar_class in LWPCookieJar, MozillaCookieJar:
c = cookiejar_class()
try:
c.load(filename="for this test to work, a file with this "
"filename should not exist")
except IOError as exc:
# exactly IOError, not LoadError
self.assertIs(exc.__class__, IOError)
except OSError as exc:
# an OSError subclass (likely FileNotFoundError), but not
# LoadError
self.assertIsNot(exc.__class__, LoadError)
else:
self.fail("expected IOError for invalid filename")
self.fail("expected OSError for invalid filename")
# Invalid contents of cookies file (eg. bad magic string)
# causes a LoadError.
try:

6
Lib/test/test_io.py
View File

@ -2643,12 +2643,6 @@ class MiscIOTest(unittest.TestCase):
def test_blockingioerror(self):
# Various BlockingIOError issues
self.assertRaises(TypeError, self.BlockingIOError)
self.assertRaises(TypeError, self.BlockingIOError, 1)
self.assertRaises(TypeError, self.BlockingIOError, 1, 2, 3, 4)
self.assertRaises(TypeError, self.BlockingIOError, 1, "", None)
b = self.BlockingIOError(1, "")
self.assertEqual(b.characters_written, 0)
class C(str):
pass
c = C("")

3
Lib/test/test_mmap.py
View File

@ -563,8 +563,7 @@ class MmapTests(unittest.TestCase):
f.close()
def test_error(self):
self.assertTrue(issubclass(mmap.error, EnvironmentError))
self.assertIn("mmap.error", str(mmap.error))
self.assertIs(mmap.error, OSError)
def test_io_methods(self):
data = b"0123456789"

128
Lib/test/test_pep3151.py Normal file
View File

@ -0,0 +1,128 @@
import builtins
import os
import select
import socket
import sys
import unittest
import errno
from errno import EEXIST
from test import support
class SubOSError(OSError):
pass
class HierarchyTest(unittest.TestCase):
def test_builtin_errors(self):
self.assertEqual(OSError.__name__, 'OSError')
self.assertIs(IOError, OSError)
self.assertIs(EnvironmentError, OSError)
def test_socket_errors(self):
self.assertIs(socket.error, IOError)
self.assertIs(socket.gaierror.__base__, OSError)
self.assertIs(socket.herror.__base__, OSError)
self.assertIs(socket.timeout.__base__, OSError)
def test_select_error(self):
self.assertIs(select.error, OSError)
# mmap.error is tested in test_mmap
_pep_map = """
+-- BlockingIOError EAGAIN, EALREADY, EWOULDBLOCK, EINPROGRESS
+-- ChildProcessError ECHILD
+-- ConnectionError
+-- BrokenPipeError EPIPE, ESHUTDOWN
+-- ConnectionAbortedError ECONNABORTED
+-- ConnectionRefusedError ECONNREFUSED
+-- ConnectionResetError ECONNRESET
+-- FileExistsError EEXIST
+-- FileNotFoundError ENOENT
+-- InterruptedError EINTR
+-- IsADirectoryError EISDIR
+-- NotADirectoryError ENOTDIR
+-- PermissionError EACCES, EPERM
+-- ProcessLookupError ESRCH
+-- TimeoutError ETIMEDOUT
"""
def _make_map(s):
_map = {}
for line in s.splitlines():
line = line.strip('+- ')
if not line:
continue
excname, _, errnames = line.partition(' ')
for errname in filter(None, errnames.strip().split(', ')):
_map[getattr(errno, errname)] = getattr(builtins, excname)
return _map
_map = _make_map(_pep_map)
def test_errno_mapping(self):
# The OSError constructor maps errnos to subclasses
# A sample test for the basic functionality
e = OSError(EEXIST, "Bad file descriptor")
self.assertIs(type(e), FileExistsError)
# Exhaustive testing
for errcode, exc in self._map.items():
e = OSError(errcode, "Some message")
self.assertIs(type(e), exc)
othercodes = set(errno.errorcode) - set(self._map)
for errcode in othercodes:
e = OSError(errcode, "Some message")
self.assertIs(type(e), OSError)
def test_OSError_subclass_mapping(self):
# When constructing an OSError subclass, errno mapping isn't done
e = SubOSError(EEXIST, "Bad file descriptor")
self.assertIs(type(e), SubOSError)
class AttributesTest(unittest.TestCase):
def test_windows_error(self):
if os.name == "nt":
self.assertIn('winerror', dir(OSError))
else:
self.assertNotIn('winerror', dir(OSError))
def test_posix_error(self):
e = OSError(EEXIST, "File already exists", "foo.txt")
self.assertEqual(e.errno, EEXIST)
self.assertEqual(e.args[0], EEXIST)
self.assertEqual(e.strerror, "File already exists")
self.assertEqual(e.filename, "foo.txt")
if os.name == "nt":
self.assertEqual(e.winerror, None)
@unittest.skipUnless(os.name == "nt", "Windows-specific test")
def test_errno_translation(self):
# ERROR_ALREADY_EXISTS (183) -> EEXIST
e = OSError(0, "File already exists", "foo.txt", 183)
self.assertEqual(e.winerror, 183)
self.assertEqual(e.errno, EEXIST)
self.assertEqual(e.args[0], EEXIST)
self.assertEqual(e.strerror, "File already exists")
self.assertEqual(e.filename, "foo.txt")
def test_blockingioerror(self):
args = ("a", "b", "c", "d", "e")
for n in range(6):
e = BlockingIOError(*args[:n])
with self.assertRaises(AttributeError):
e.characters_written
e = BlockingIOError("a", "b", 3)
self.assertEqual(e.characters_written, 3)
e.characters_written = 5
self.assertEqual(e.characters_written, 5)
# XXX VMSError not tested
def test_main():
support.run_unittest(__name__)
if __name__=="__main__":
test_main()

8
Lib/test/test_xml_etree.py
View File

@ -1339,7 +1339,7 @@ def xinclude_loader(href, parse="xml", encoding=None):
try:
data = XINCLUDE[href]
except KeyError:
raise IOError("resource not found")
raise OSError("resource not found")
if parse == "xml":
from xml.etree.ElementTree import XML
return XML(data)
@ -1404,7 +1404,7 @@ def xinclude():
>>> document = xinclude_loader("C5.xml")
>>> ElementInclude.include(document, xinclude_loader)
Traceback (most recent call last):
IOError: resource not found
OSError: resource not found
>>> # print(serialize(document)) # C5
"""
@ -1611,7 +1611,7 @@ def bug_xmltoolkit55():
class ExceptionFile:
def read(self, x):
raise IOError
raise OSError
def xmltoolkit60():
"""
@ -1619,7 +1619,7 @@ def xmltoolkit60():
Handle crash in stream source.
>>> tree = ET.parse(ExceptionFile())
Traceback (most recent call last):
IOError
OSError
"""

2
Lib/urllib/request.py
View File

@ -1547,6 +1547,8 @@ class URLopener:
return getattr(self, name)(url)
else:
return getattr(self, name)(url, data)
except HTTPError:
raise
except socket.error as msg:
raise IOError('socket error', msg).with_traceback(sys.exc_info()[2])

2
Misc/NEWS
View File

@ -10,6 +10,8 @@ What's New in Python 3.3 Alpha 1?
Core and Builtins
-----------------
- PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
- Add internal API for static strings (_Py_identifier et.al.).
- Issue #13063: the Windows error ERROR_NO_DATA (numbered 232 and described

91
Modules/_io/_iomodule.c
View File

@ -90,89 +90,6 @@ PyDoc_STRVAR(module_doc,
);
/*
* BlockingIOError extends IOError
*/
static int
blockingioerror_init(PyBlockingIOErrorObject *self, PyObject *args,
PyObject *kwds)
{
PyObject *myerrno = NULL, *strerror = NULL;
PyObject *baseargs = NULL;
Py_ssize_t written = 0;
assert(PyTuple_Check(args));
self->written = 0;
if (!PyArg_ParseTuple(args, "OO|n:BlockingIOError",
&myerrno, &strerror, &written))
return -1;
baseargs = PyTuple_Pack(2, myerrno, strerror);
if (baseargs == NULL)
return -1;
/* This will take care of initializing of myerrno and strerror members */
if (((PyTypeObject *)PyExc_IOError)->tp_init(
(PyObject *)self, baseargs, kwds) == -1) {
Py_DECREF(baseargs);
return -1;
}
Py_DECREF(baseargs);
self->written = written;
return 0;
}
static PyMemberDef blockingioerror_members[] = {
{"characters_written", T_PYSSIZET, offsetof(PyBlockingIOErrorObject, written), 0},
{NULL} /* Sentinel */
};
static PyTypeObject _PyExc_BlockingIOError = {
PyVarObject_HEAD_INIT(NULL, 0)
"BlockingIOError", /*tp_name*/
sizeof(PyBlockingIOErrorObject), /*tp_basicsize*/
0, /*tp_itemsize*/
0, /*tp_dealloc*/
0, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_compare */
0, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
0, /*tp_hash */
0, /*tp_call*/
0, /*tp_str*/
0, /*tp_getattro*/
0, /*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
PyDoc_STR("Exception raised when I/O would block "
"on a non-blocking I/O stream"), /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
0, /* tp_iter */
0, /* tp_iternext */
0, /* tp_methods */
blockingioerror_members, /* tp_members */
0, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
0, /* tp_descr_set */
0, /* tp_dictoffset */
(initproc)blockingioerror_init, /* tp_init */
0, /* tp_alloc */
0, /* tp_new */
};
PyObject *PyExc_BlockingIOError = (PyObject *)&_PyExc_BlockingIOError;
/*
* The main open() function
*/
@ -694,9 +611,11 @@ PyInit__io(void)
state->unsupported_operation) < 0)
goto fail;
/* BlockingIOError */
_PyExc_BlockingIOError.tp_base = (PyTypeObject *) PyExc_IOError;
ADD_TYPE(&_PyExc_BlockingIOError, "BlockingIOError");
/* BlockingIOError, for compatibility */
Py_INCREF(PyExc_BlockingIOError);
if (PyModule_AddObject(m, "BlockingIOError",
(PyObject *) PyExc_BlockingIOError) < 0)
goto fail;
/* Concrete base types of the IO ABCs.
(the ABCs themselves are declared through inheritance in io.py)

9
Modules/_io/_iomodule.h
View File

@ -60,15 +60,6 @@ extern Py_ssize_t _PyIO_find_line_ending(
#define DEFAULT_BUFFER_SIZE (8 * 1024) /* bytes */
typedef struct {
PyException_HEAD
PyObject *myerrno;
PyObject *strerror;
PyObject *filename; /* Not used, but part of the IOError object */
Py_ssize_t written;
} PyBlockingIOErrorObject;
PyAPI_DATA(PyObject *) PyExc_BlockingIOError;
/*
* Offset type for positioning.
*/

4
Modules/_io/bufferedio.c
View File

@ -622,14 +622,14 @@ static Py_ssize_t *
_buffered_check_blocking_error(void)
{
PyObject *t, *v, *tb;
PyBlockingIOErrorObject *err;
PyOSErrorObject *err;
PyErr_Fetch(&t, &v, &tb);
if (v == NULL || !PyErr_GivenExceptionMatches(v, PyExc_BlockingIOError)) {
PyErr_Restore(t, v, tb);
return NULL;
}
err = (PyBlockingIOErrorObject *) v;
err = (PyOSErrorObject *) v;
/* TODO: sanity check (err->written >= 0) */
PyErr_Restore(t, v, tb);
return &err->written;

26
Modules/mmapmodule.c
View File

@ -78,8 +78,6 @@ my_getpagesize(void)
# define MAP_ANONYMOUS MAP_ANON
#endif
static PyObject *mmap_module_error;
typedef enum
{
ACCESS_DEFAULT,
@ -459,7 +457,7 @@ mmap_size_method(mmap_object *self,
{
struct stat buf;
if (-1 == fstat(self->fd, &buf)) {
PyErr_SetFromErrno(mmap_module_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
#ifdef HAVE_LARGEFILE_SUPPORT
@ -549,7 +547,7 @@ mmap_resize_method(mmap_object *self,
void *newmap;
if (ftruncate(self->fd, self->offset + new_size) == -1) {
PyErr_SetFromErrno(mmap_module_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
@ -564,7 +562,7 @@ mmap_resize_method(mmap_object *self,
#endif
if (newmap == (void *)-1)
{
PyErr_SetFromErrno(mmap_module_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
self->data = newmap;
@ -605,7 +603,7 @@ mmap_flush_method(mmap_object *self, PyObject *args)
/* XXX semantics of return value? */
/* XXX flags for msync? */
if (-1 == msync(self->data + offset, size, MS_SYNC)) {
PyErr_SetFromErrno(mmap_module_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
return PyLong_FromLong(0);
@ -1205,7 +1203,7 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict)
fd = devzero = open("/dev/zero", O_RDWR);
if (devzero == -1) {
Py_DECREF(m_obj);
PyErr_SetFromErrno(mmap_module_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
#endif
@ -1213,7 +1211,7 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict)
m_obj->fd = dup(fd);
if (m_obj->fd == -1) {
Py_DECREF(m_obj);
PyErr_SetFromErrno(mmap_module_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
}
@ -1229,7 +1227,7 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict)
if (m_obj->data == (char *)-1) {
m_obj->data = NULL;
Py_DECREF(m_obj);
PyErr_SetFromErrno(mmap_module_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
m_obj->access = (access_mode)access;
@ -1310,12 +1308,12 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict)
if (fileno != -1 && fileno != 0) {
/* Ensure that fileno is within the CRT's valid range */
if (_PyVerify_fd(fileno) == 0) {
PyErr_SetFromErrno(mmap_module_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
fh = (HANDLE)_get_osfhandle(fileno);
if (fh==(HANDLE)-1) {
PyErr_SetFromErrno(mmap_module_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
/* Win9x appears to need us seeked to zero */
@ -1469,11 +1467,7 @@ PyInit_mmap(void)
dict = PyModule_GetDict(module);
if (!dict)
return NULL;
mmap_module_error = PyErr_NewException("mmap.error",
PyExc_EnvironmentError , NULL);
if (mmap_module_error == NULL)
return NULL;
PyDict_SetItemString(dict, "error", mmap_module_error);
PyDict_SetItemString(dict, "error", PyExc_OSError);
PyDict_SetItemString(dict, "mmap", (PyObject*) &mmap_object_type);
#ifdef PROT_EXEC
setint(dict, "PROT_EXEC", PROT_EXEC);

29
Modules/selectmodule.c
View File

@ -54,8 +54,6 @@ extern void bzero(void *, int);
# endif
#endif
static PyObject *SelectError;
/* list of Python objects and their file descriptor */
typedef struct {
PyObject *obj; /* owned reference */
@ -274,11 +272,11 @@ select_select(PyObject *self, PyObject *args)
#ifdef MS_WINDOWS
if (n == SOCKET_ERROR) {
PyErr_SetExcFromWindowsErr(SelectError, WSAGetLastError());
PyErr_SetExcFromWindowsErr(PyExc_OSError, WSAGetLastError());
}
#else
if (n < 0) {
PyErr_SetFromErrno(SelectError);
PyErr_SetFromErrno(PyExc_OSError);
}
#endif
else {
@ -425,7 +423,7 @@ poll_modify(pollObject *self, PyObject *args)
return NULL;
if (PyDict_GetItem(self->dict, key) == NULL) {
errno = ENOENT;
PyErr_SetFromErrno(PyExc_IOError);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
value = PyLong_FromLong(events);
@ -524,7 +522,7 @@ poll_poll(pollObject *self, PyObject *args)
Py_END_ALLOW_THREADS
if (poll_result < 0) {
PyErr_SetFromErrno(SelectError);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
@ -764,7 +762,7 @@ newPyEpoll_Object(PyTypeObject *type, int sizehint, SOCKET fd)
}
if (self->epfd < 0) {
Py_DECREF(self);
PyErr_SetFromErrno(PyExc_IOError);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
return (PyObject *)self;
@ -797,7 +795,7 @@ pyepoll_close(pyEpoll_Object *self)
{
errno = pyepoll_internal_close(self);
if (errno < 0) {
PyErr_SetFromErrno(PyExc_IOError);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
Py_RETURN_NONE;
@ -890,7 +888,7 @@ pyepoll_internal_ctl(int epfd, int op, PyObject *pfd, unsigned int events)
}
if (result < 0) {
PyErr_SetFromErrno(PyExc_IOError);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
Py_RETURN_NONE;
@ -914,7 +912,7 @@ pyepoll_register(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
PyDoc_STRVAR(pyepoll_register_doc,
"register(fd[, eventmask]) -> None\n\
\n\
Registers a new fd or raises an IOError if the fd is already registered.\n\
Registers a new fd or raises an OSError if the fd is already registered.\n\
fd is the target file descriptor of the operation.\n\
events is a bit set composed of the various EPOLL constants; the default\n\
is EPOLL_IN | EPOLL_OUT | EPOLL_PRI.\n\
@ -1013,7 +1011,7 @@ pyepoll_poll(pyEpoll_Object *self, PyObject *args, PyObject *kwds)
nfds = epoll_wait(self->epfd, evs, maxevents, timeout);
Py_END_ALLOW_THREADS
if (nfds < 0) {
PyErr_SetFromErrno(PyExc_IOError);
PyErr_SetFromErrno(PyExc_OSError);
goto error;
}
@ -1404,7 +1402,7 @@ newKqueue_Object(PyTypeObject *type, SOCKET fd)
}
if (self->kqfd < 0) {
Py_DECREF(self);
PyErr_SetFromErrno(PyExc_IOError);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
return (PyObject *)self;
@ -1436,7 +1434,7 @@ kqueue_queue_close(kqueue_queue_Object *self)
{
errno = kqueue_queue_internal_close(self);
if (errno < 0) {
PyErr_SetFromErrno(PyExc_IOError);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
Py_RETURN_NONE;
@ -1778,9 +1776,8 @@ PyInit_select(void)
if (m == NULL)
return NULL;
SelectError = PyErr_NewException("select.error", NULL, NULL);
Py_INCREF(SelectError);
PyModule_AddObject(m, "error", SelectError);
Py_INCREF(PyExc_OSError);
PyModule_AddObject(m, "error", PyExc_OSError);
#ifdef PIPE_BUF
#ifdef HAVE_BROKEN_PIPE_BUF

116
Modules/socketmodule.c
View File

@ -457,7 +457,6 @@ dup_socket(SOCKET handle)
/* Global variable holding the exception type for errors detected
by this module (but not argument type or memory errors, etc.). */
static PyObject *socket_error;
static PyObject *socket_herror;
static PyObject *socket_gaierror;
static PyObject *socket_timeout;
@ -498,7 +497,7 @@ static PyTypeObject sock_type;
static PyObject*
select_error(void)
{
PyErr_SetString(socket_error, "unable to select on socket");
PyErr_SetString(PyExc_OSError, "unable to select on socket");
return NULL;
}
@ -525,7 +524,7 @@ set_error(void)
recognizes the error codes used by both GetLastError() and
WSAGetLastError */
if (err_no)
return PyErr_SetExcFromWindowsErr(socket_error, err_no);
return PyErr_SetExcFromWindowsErr(PyExc_OSError, err_no);
#endif
#if defined(PYOS_OS2) && !defined(PYCC_GCC)
@ -556,7 +555,7 @@ set_error(void)
}
v = Py_BuildValue("(is)", myerrorcode, outbuf);
if (v != NULL) {
PyErr_SetObject(socket_error, v);
PyErr_SetObject(PyExc_OSError, v);
Py_DECREF(v);
}
return NULL;
@ -564,7 +563,7 @@ set_error(void)
}
#endif
return PyErr_SetFromErrno(socket_error);
return PyErr_SetFromErrno(PyExc_OSError);
}
@ -883,13 +882,13 @@ setipaddr(char *name, struct sockaddr *addr_ret, size_t addr_ret_size, int af)
#endif
default:
freeaddrinfo(res);
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"unsupported address family");
return -1;
}
if (res->ai_next) {
freeaddrinfo(res);
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"wildcard resolved to multiple address");
return -1;
}
@ -902,7 +901,7 @@ setipaddr(char *name, struct sockaddr *addr_ret, size_t addr_ret_size, int af)
if (name[0] == '<' && strcmp(name, "<broadcast>") == 0) {
struct sockaddr_in *sin;
if (af != AF_INET && af != AF_UNSPEC) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"address family mismatched");
return -1;
}
@ -960,7 +959,7 @@ setipaddr(char *name, struct sockaddr *addr_ret, size_t addr_ret_size, int af)
return 16;
#endif
default:
PyErr_SetString(socket_error, "unknown address family");
PyErr_SetString(PyExc_OSError, "unknown address family");
return -1;
}
}
@ -1009,7 +1008,7 @@ setbdaddr(char *name, bdaddr_t *bdaddr)
bdaddr->b[5] = b5;
return 6;
} else {
PyErr_SetString(socket_error, "bad bluetooth address");
PyErr_SetString(PyExc_OSError, "bad bluetooth address");
return -1;
}
}
@ -1278,7 +1277,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
if (len > 0 && path[0] == 0) {
/* Linux abstract namespace extension */
if (len > sizeof addr->sun_path) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"AF_UNIX path too long");
return 0;
}
@ -1288,7 +1287,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
{
/* regular NULL-terminated string */
if (len >= sizeof addr->sun_path) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"AF_UNIX path too long");
return 0;
}
@ -1418,7 +1417,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
_BT_L2_MEMB(addr, family) = AF_BLUETOOTH;
if (!PyArg_ParseTuple(args, "si", &straddr,
&_BT_L2_MEMB(addr, psm))) {
PyErr_SetString(socket_error, "getsockaddrarg: "
PyErr_SetString(PyExc_OSError, "getsockaddrarg: "
"wrong format");
return 0;
}
@ -1437,7 +1436,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
_BT_RC_MEMB(addr, family) = AF_BLUETOOTH;
if (!PyArg_ParseTuple(args, "si", &straddr,
&_BT_RC_MEMB(addr, channel))) {
PyErr_SetString(socket_error, "getsockaddrarg: "
PyErr_SetString(PyExc_OSError, "getsockaddrarg: "
"wrong format");
return 0;
}
@ -1455,7 +1454,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
_BT_HCI_MEMB(addr, family) = AF_BLUETOOTH;
if (straddr == NULL) {
PyErr_SetString(socket_error, "getsockaddrarg: "
PyErr_SetString(PyExc_OSError, "getsockaddrarg: "
"wrong format");
return 0;
}
@ -1464,7 +1463,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
#else
_BT_HCI_MEMB(addr, family) = AF_BLUETOOTH;
if (!PyArg_ParseTuple(args, "i", &_BT_HCI_MEMB(addr, dev))) {
PyErr_SetString(socket_error, "getsockaddrarg: "
PyErr_SetString(PyExc_OSError, "getsockaddrarg: "
"wrong format");
return 0;
}
@ -1481,7 +1480,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
addr = (struct sockaddr_sco *)addr_ret;
_BT_SCO_MEMB(addr, family) = AF_BLUETOOTH;
if (!PyBytes_Check(args)) {
PyErr_SetString(socket_error, "getsockaddrarg: "
PyErr_SetString(PyExc_OSError, "getsockaddrarg: "
"wrong format");
return 0;
}
@ -1494,7 +1493,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
}
#endif
default:
PyErr_SetString(socket_error, "getsockaddrarg: unknown Bluetooth protocol");
PyErr_SetString(PyExc_OSError, "getsockaddrarg: unknown Bluetooth protocol");
return 0;
}
}
@ -1633,7 +1632,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
return 0;
}
} else {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"AF_CAN interface name too long");
Py_DECREF(interfaceName);
return 0;
@ -1647,7 +1646,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
return 1;
}
default:
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"getsockaddrarg: unsupported CAN protocol");
return 0;
}
@ -1656,7 +1655,7 @@ getsockaddrarg(PySocketSockObject *s, PyObject *args,
/* More cases here... */
default:
PyErr_SetString(socket_error, "getsockaddrarg: bad family");
PyErr_SetString(PyExc_OSError, "getsockaddrarg: bad family");
return 0;
}
@ -1722,7 +1721,7 @@ getsockaddrlen(PySocketSockObject *s, socklen_t *len_ret)
return 1;
#endif
default:
PyErr_SetString(socket_error, "getsockaddrlen: "
PyErr_SetString(PyExc_OSError, "getsockaddrlen: "
"unknown BT protocol");
return 0;
@ -1757,7 +1756,7 @@ getsockaddrlen(PySocketSockObject *s, socklen_t *len_ret)
/* More cases here... */
default:
PyErr_SetString(socket_error, "getsockaddrlen: bad family");
PyErr_SetString(PyExc_OSError, "getsockaddrlen: bad family");
return 0;
}
@ -2098,7 +2097,7 @@ sock_getsockopt(PySocketSockObject *s, PyObject *args)
#else
if (buflen <= 0 || buflen > 1024) {
#endif
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"getsockopt buflen out of range");
return NULL;
}
@ -2926,7 +2925,7 @@ sock_recvmsg_guts(PySocketSockObject *s, struct iovec *iov, int iovlen,
if (cmsg_status < 0)
break;
if (cmsgdatalen > PY_SSIZE_T_MAX) {
PyErr_SetString(socket_error, "control message too long");
PyErr_SetString(PyExc_OSError, "control message too long");
goto err_closefds;
}
@ -3087,7 +3086,7 @@ sock_recvmsg_into(PySocketSockObject *s, PyObject *args)
return NULL;
nitems = PySequence_Fast_GET_SIZE(fast);
if (nitems > INT_MAX) {
PyErr_SetString(socket_error, "recvmsg_into() argument 1 is too long");
PyErr_SetString(PyExc_OSError, "recvmsg_into() argument 1 is too long");
goto finally;
}
@ -3394,7 +3393,7 @@ sock_sendmsg(PySocketSockObject *s, PyObject *args)
goto finally;
ndataparts = PySequence_Fast_GET_SIZE(data_fast);
if (ndataparts > INT_MAX) {
PyErr_SetString(socket_error, "sendmsg() argument 1 is too long");
PyErr_SetString(PyExc_OSError, "sendmsg() argument 1 is too long");
goto finally;
}
msg.msg_iovlen = ndataparts;
@ -3426,7 +3425,7 @@ sock_sendmsg(PySocketSockObject *s, PyObject *args)
#ifndef CMSG_SPACE
if (ncmsgs > 1) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"sending multiple control messages is not supported "
"on this system");
goto finally;
@ -3455,12 +3454,12 @@ sock_sendmsg(PySocketSockObject *s, PyObject *args)
#else
if (!get_CMSG_LEN(bufsize, &space)) {
#endif
PyErr_SetString(socket_error, "ancillary data item too large");
PyErr_SetString(PyExc_OSError, "ancillary data item too large");
goto finally;
}
controllen += space;
if (controllen > SOCKLEN_T_LIMIT || controllen < controllen_last) {
PyErr_SetString(socket_error, "too much ancillary data");
PyErr_SetString(PyExc_OSError, "too much ancillary data");
goto finally;
}
controllen_last = controllen;
@ -4000,7 +3999,7 @@ gethost_common(struct hostent *h, struct sockaddr *addr, int alen, int af)
if (h->h_addrtype != af) {
/* Let's get real error message to return */
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
(char *)strerror(EAFNOSUPPORT));
return NULL;
@ -4085,7 +4084,7 @@ gethost_common(struct hostent *h, struct sockaddr *addr, int alen, int af)
#endif
default: /* can't happen */
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"unsupported address family");
return NULL;
}
@ -4239,7 +4238,7 @@ socket_gethostbyaddr(PyObject *self, PyObject *args)
break;
#endif
default:
PyErr_SetString(socket_error, "unsupported address family");
PyErr_SetString(PyExc_OSError, "unsupported address family");
goto finally;
}
Py_BEGIN_ALLOW_THREADS
@ -4295,7 +4294,7 @@ socket_getservbyname(PyObject *self, PyObject *args)
sp = getservbyname(name, proto);
Py_END_ALLOW_THREADS
if (sp == NULL) {
PyErr_SetString(socket_error, "service/proto not found");
PyErr_SetString(PyExc_OSError, "service/proto not found");
return NULL;
}
return PyLong_FromLong((long) ntohs(sp->s_port));
@ -4332,7 +4331,7 @@ socket_getservbyport(PyObject *self, PyObject *args)
sp = getservbyport(htons((short)port), proto);
Py_END_ALLOW_THREADS
if (sp == NULL) {
PyErr_SetString(socket_error, "port/proto not found");
PyErr_SetString(PyExc_OSError, "port/proto not found");
return NULL;
}
return PyUnicode_FromString(sp->s_name);
@ -4361,7 +4360,7 @@ socket_getprotobyname(PyObject *self, PyObject *args)
sp = getprotobyname(name);
Py_END_ALLOW_THREADS
if (sp == NULL) {
PyErr_SetString(socket_error, "protocol not found");
PyErr_SetString(PyExc_OSError, "protocol not found");
return NULL;
}
return PyLong_FromLong((long) sp->p_proto);
@ -4616,7 +4615,7 @@ socket_inet_aton(PyObject *self, PyObject *args)
return PyBytes_FromStringAndSize((char *)(&buf),
sizeof(buf));
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"illegal IP address string passed to inet_aton");
return NULL;
@ -4637,7 +4636,7 @@ socket_inet_aton(PyObject *self, PyObject *args)
packed_addr = inet_addr(ip_addr);
if (packed_addr == INADDR_NONE) { /* invalid address */
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"illegal IP address string passed to inet_aton");
return NULL;
}
@ -4669,7 +4668,7 @@ socket_inet_ntoa(PyObject *self, PyObject *args)
}
if (addr_len != sizeof(packed_addr)) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"packed IP wrong length for inet_ntoa");
return NULL;
}
@ -4704,7 +4703,7 @@ socket_inet_pton(PyObject *self, PyObject *args)
#if !defined(ENABLE_IPV6) && defined(AF_INET6)
if(af == AF_INET6) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"can't use AF_INET6, IPv6 is disabled");
return NULL;
}
@ -4712,10 +4711,10 @@ socket_inet_pton(PyObject *self, PyObject *args)
retval = inet_pton(af, ip, packed);
if (retval < 0) {
PyErr_SetFromErrno(socket_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
} else if (retval == 0) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"illegal IP address string passed to inet_pton");
return NULL;
} else if (af == AF_INET) {
@ -4727,7 +4726,7 @@ socket_inet_pton(PyObject *self, PyObject *args)
sizeof(struct in6_addr));
#endif
} else {
PyErr_SetString(socket_error, "unknown address family");
PyErr_SetString(PyExc_OSError, "unknown address family");
return NULL;
}
}
@ -4779,7 +4778,7 @@ socket_inet_ntop(PyObject *self, PyObject *args)
retval = inet_ntop(af, packed, ip, sizeof(ip));
if (!retval) {
PyErr_SetFromErrno(socket_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
} else {
return PyUnicode_FromString(retval);
@ -4850,7 +4849,7 @@ socket_getaddrinfo(PyObject *self, PyObject *args, PyObject* kwargs)
} else if (pobj == Py_None) {
pptr = (char *)NULL;
} else {
PyErr_SetString(socket_error, "Int or String expected");
PyErr_SetString(PyExc_OSError, "Int or String expected");
goto err;
}
memset(&hints, 0, sizeof(hints));
@ -4947,7 +4946,7 @@ socket_getnameinfo(PyObject *self, PyObject *args)
goto fail;
}
if (res->ai_next) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"sockaddr resolved to multiple addresses");
goto fail;
}
@ -4955,7 +4954,7 @@ socket_getnameinfo(PyObject *self, PyObject *args)
case AF_INET:
{
if (PyTuple_GET_SIZE(sa) != 2) {
PyErr_SetString(socket_error,
PyErr_SetString(PyExc_OSError,
"IPv4 sockaddr must be 2 tuple");
goto fail;
}
@ -5054,7 +5053,7 @@ socket_if_nameindex(PyObject *self, PyObject *arg)
ni = if_nameindex();
if (ni == NULL) {
PyErr_SetFromErrno(socket_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
@ -5100,7 +5099,7 @@ socket_if_nametoindex(PyObject *self, PyObject *args)
Py_DECREF(oname);
if (index == 0) {
/* if_nametoindex() doesn't set errno */
PyErr_SetString(socket_error, "no interface with this name");
PyErr_SetString(PyExc_OSError, "no interface with this name");
return NULL;
}
@ -5123,7 +5122,7 @@ socket_if_indextoname(PyObject *self, PyObject *arg)
return NULL;
if (if_indextoname(index, name) == NULL) {
PyErr_SetFromErrno(socket_error);
PyErr_SetFromErrno(PyExc_OSError);
return NULL;
}
@ -5403,27 +5402,24 @@ PyInit__socket(void)
if (m == NULL)
return NULL;
socket_error = PyErr_NewException("socket.error",
PyExc_IOError, NULL);
if (socket_error == NULL)
return NULL;
PySocketModuleAPI.error = socket_error;
Py_INCREF(socket_error);
PyModule_AddObject(m, "error", socket_error);
Py_INCREF(PyExc_OSError);
PySocketModuleAPI.error = PyExc_OSError;
Py_INCREF(PyExc_OSError);
PyModule_AddObject(m, "error", PyExc_OSError);
socket_herror = PyErr_NewException("socket.herror",
socket_error, NULL);
PyExc_OSError, NULL);
if (socket_herror == NULL)
return NULL;
Py_INCREF(socket_herror);
PyModule_AddObject(m, "herror", socket_herror);
socket_gaierror = PyErr_NewException("socket.gaierror", socket_error,
socket_gaierror = PyErr_NewException("socket.gaierror", PyExc_OSError,
NULL);
if (socket_gaierror == NULL)
return NULL;
Py_INCREF(socket_gaierror);
PyModule_AddObject(m, "gaierror", socket_gaierror);
socket_timeout = PyErr_NewException("socket.timeout",
socket_error, NULL);
PyExc_OSError, NULL);
if (socket_timeout == NULL)
return NULL;
PySocketModuleAPI.timeout_error = socket_timeout;

559
Objects/exceptions.c
View File

@ -10,6 +10,20 @@
#include "osdefs.h"
/* Compatibility aliases */
PyObject *PyExc_EnvironmentError = NULL;
PyObject *PyExc_IOError = NULL;
#ifdef MS_WINDOWS
PyObject *PyExc_WindowsError = NULL;
#endif
#ifdef __VMS
PyObject *PyExc_VMSError = NULL;
#endif
/* The dict map from errno codes to OSError subclasses */
static PyObject *errnomap = NULL;
/* NOTE: If the exception class hierarchy changes, don't forget to update
* Lib/test/exception_hierarchy.txt
*/
@ -433,11 +447,13 @@ static PyTypeObject _PyExc_ ## EXCNAME = { \
PyDoc_STR(EXCDOC), (traverseproc)EXCSTORE ## _traverse, \
(inquiry)EXCSTORE ## _clear, 0, 0, 0, 0, 0, 0, 0, &_ ## EXCBASE, \
0, 0, 0, offsetof(Py ## EXCSTORE ## Object, dict), \
(initproc)EXCSTORE ## _init, 0, BaseException_new,\
(initproc)EXCSTORE ## _init, 0, 0, \
}; \
PyObject *PyExc_ ## EXCNAME = (PyObject *)&_PyExc_ ## EXCNAME
#define ComplexExtendsException(EXCBASE, EXCNAME, EXCSTORE, EXCDEALLOC, EXCMETHODS, EXCMEMBERS, EXCSTR, EXCDOC) \
#define ComplexExtendsException(EXCBASE, EXCNAME, EXCSTORE, EXCNEW, \
EXCMETHODS, EXCMEMBERS, EXCGETSET, \
EXCSTR, EXCDOC) \
static PyTypeObject _PyExc_ ## EXCNAME = { \
PyVarObject_HEAD_INIT(NULL, 0) \
# EXCNAME, \
@ -447,9 +463,9 @@ static PyTypeObject _PyExc_ ## EXCNAME = { \
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, \
PyDoc_STR(EXCDOC), (traverseproc)EXCSTORE ## _traverse, \
(inquiry)EXCSTORE ## _clear, 0, 0, 0, 0, EXCMETHODS, \
EXCMEMBERS, 0, &_ ## EXCBASE, \
EXCMEMBERS, EXCGETSET, &_ ## EXCBASE, \
0, 0, 0, offsetof(Py ## EXCSTORE ## Object, dict), \
(initproc)EXCSTORE ## _init, 0, BaseException_new,\
(initproc)EXCSTORE ## _init, 0, EXCNEW,\
}; \
PyObject *PyExc_ ## EXCNAME = (PyObject *)&_PyExc_ ## EXCNAME
@ -534,7 +550,7 @@ static PyMemberDef SystemExit_members[] = {
};
ComplexExtendsException(PyExc_BaseException, SystemExit, SystemExit,
SystemExit_dealloc, 0, SystemExit_members, 0,
0, 0, SystemExit_members, 0, 0,
"Request to exit from the interpreter.");
/*
@ -552,124 +568,233 @@ SimpleExtendsException(PyExc_Exception, ImportError,
/*
* EnvironmentError extends Exception
* OSError extends Exception
*/
#ifdef MS_WINDOWS
#include "errmap.h"
#endif
/* Where a function has a single filename, such as open() or some
* of the os module functions, PyErr_SetFromErrnoWithFilename() is
* called, giving a third argument which is the filename. But, so
* that old code using in-place unpacking doesn't break, e.g.:
*
* except IOError, (errno, strerror):
* except OSError, (errno, strerror):
*
* we hack args so that it only contains two items. This also
* means we need our own __str__() which prints out the filename
* when it was supplied.
*/
static int
EnvironmentError_init(PyEnvironmentErrorObject *self, PyObject *args,
PyObject *kwds)
static PyObject *
OSError_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
PyOSErrorObject *self = NULL;
Py_ssize_t nargs;
PyObject *myerrno = NULL, *strerror = NULL, *filename = NULL;
PyObject *subslice = NULL;
#ifdef MS_WINDOWS
PyObject *winerror = NULL;
long winerrcode = 0;
#endif
if (BaseException_init((PyBaseExceptionObject *)self, args, kwds) == -1)
return -1;
if (!_PyArg_NoKeywords(type->tp_name, kwds))
return NULL;
Py_INCREF(args);
nargs = PyTuple_GET_SIZE(args);
if (PyTuple_GET_SIZE(args) <= 1 || PyTuple_GET_SIZE(args) > 3) {
return 0;
#ifdef MS_WINDOWS
if (nargs >= 2 && nargs <= 4) {
if (!PyArg_UnpackTuple(args, "OSError", 2, 4,
&myerrno, &strerror, &filename, &winerror))
goto error;
if (winerror && PyLong_Check(winerror)) {
long errcode;
PyObject *newargs;
Py_ssize_t i;
winerrcode = PyLong_AsLong(winerror);
if (winerrcode == -1 && PyErr_Occurred())
goto error;
/* Set errno to the corresponding POSIX errno (overriding
first argument). Windows Socket error codes (>= 10000)
have the same value as their POSIX counterparts.
*/
if (winerrcode < 10000)
errcode = winerror_to_errno(winerrcode);
else
errcode = winerrcode;
myerrno = PyLong_FromLong(errcode);
if (!myerrno)
goto error;
newargs = PyTuple_New(nargs);
if (!newargs)
goto error;
PyTuple_SET_ITEM(newargs, 0, myerrno);
for (i = 1; i < nargs; i++) {
PyObject *val = PyTuple_GET_ITEM(args, i);
Py_INCREF(val);
PyTuple_SET_ITEM(newargs, i, val);
}
Py_DECREF(args);
args = newargs;
}
}
#else
if (nargs >= 2 && nargs <= 3) {
if (!PyArg_UnpackTuple(args, "OSError", 2, 3,
&myerrno, &strerror, &filename))
goto error;
}
#endif
if (myerrno && PyLong_Check(myerrno) &&
errnomap && (PyObject *) type == PyExc_OSError) {
PyObject *newtype;
newtype = PyDict_GetItem(errnomap, myerrno);
if (newtype) {
assert(PyType_Check(newtype));
type = (PyTypeObject *) newtype;
}
else if (PyErr_Occurred())
goto error;
}
if (!PyArg_UnpackTuple(args, "EnvironmentError", 2, 3,
&myerrno, &strerror, &filename)) {
return -1;
}
Py_CLEAR(self->myerrno); /* replacing */
self->myerrno = myerrno;
Py_INCREF(self->myerrno);
self = (PyOSErrorObject *) type->tp_alloc(type, 0);
if (!self)
goto error;
Py_CLEAR(self->strerror); /* replacing */
self->strerror = strerror;
Py_INCREF(self->strerror);
self->dict = NULL;
self->traceback = self->cause = self->context = NULL;
self->written = -1;
/* self->filename will remain Py_None otherwise */
if (filename != NULL) {
Py_CLEAR(self->filename); /* replacing */
self->filename = filename;
Py_INCREF(self->filename);
if (filename && filename != Py_None) {
if ((PyObject *) type == PyExc_BlockingIOError &&
PyNumber_Check(filename)) {
/* BlockingIOError's 3rd argument can be the number of
* characters written.
*/
self->written = PyNumber_AsSsize_t(filename, PyExc_ValueError);
if (self->written == -1 && PyErr_Occurred())
goto error;
}
else {
Py_INCREF(filename);
self->filename = filename;
subslice = PyTuple_GetSlice(args, 0, 2);
if (!subslice)
return -1;
if (nargs >= 2 && nargs <= 3) {
/* filename is removed from the args tuple (for compatibility
purposes, see test_exceptions.py) */
subslice = PyTuple_GetSlice(args, 0, 2);
if (!subslice)
goto error;
Py_DECREF(self->args); /* replacing args */
self->args = subslice;
Py_DECREF(args); /* replacing args */
args = subslice;
}
}
}
/* Steals the reference to args */
self->args = args;
args = NULL;
Py_XINCREF(myerrno);
self->myerrno = myerrno;
Py_XINCREF(strerror);
self->strerror = strerror;
#ifdef MS_WINDOWS
Py_XINCREF(winerror);
self->winerror = winerror;
#endif
return (PyObject *) self;
error:
Py_XDECREF(args);
Py_XDECREF(self);
return NULL;
}
static int
OSError_init(PySyntaxErrorObject *self, PyObject *args, PyObject *kwds)
{
/* Everything already done in OSError_new */
return 0;
}
static int
EnvironmentError_clear(PyEnvironmentErrorObject *self)
OSError_clear(PyOSErrorObject *self)
{
Py_CLEAR(self->myerrno);
Py_CLEAR(self->strerror);
Py_CLEAR(self->filename);
#ifdef MS_WINDOWS
Py_CLEAR(self->winerror);
#endif
return BaseException_clear((PyBaseExceptionObject *)self);
}
static void
EnvironmentError_dealloc(PyEnvironmentErrorObject *self)
OSError_dealloc(PyOSErrorObject *self)
{
_PyObject_GC_UNTRACK(self);
EnvironmentError_clear(self);
OSError_clear(self);
Py_TYPE(self)->tp_free((PyObject *)self);
}
static int
EnvironmentError_traverse(PyEnvironmentErrorObject *self, visitproc visit,
OSError_traverse(PyOSErrorObject *self, visitproc visit,
void *arg)
{
Py_VISIT(self->myerrno);
Py_VISIT(self->strerror);
Py_VISIT(self->filename);
#ifdef MS_WINDOWS
Py_VISIT(self->winerror);
#endif
return BaseException_traverse((PyBaseExceptionObject *)self, visit, arg);
}
static PyObject *
EnvironmentError_str(PyEnvironmentErrorObject *self)
OSError_str(PyOSErrorObject *self)
{
#ifdef MS_WINDOWS
/* If available, winerror has the priority over myerrno */
if (self->winerror && self->filename)
return PyUnicode_FromFormat("[Error %S] %S: %R",
self->winerror ? self->winerror: Py_None,
self->strerror ? self->strerror: Py_None,
self->filename);
if (self->winerror && self->strerror)
return PyUnicode_FromFormat("[Error %S] %S",
self->winerror ? self->winerror: Py_None,
self->strerror ? self->strerror: Py_None);
#endif
if (self->filename)
return PyUnicode_FromFormat("[Errno %S] %S: %R",
self->myerrno ? self->myerrno: Py_None,
self->strerror ? self->strerror: Py_None,
self->filename);
else if (self->myerrno && self->strerror)
if (self->myerrno && self->strerror)
return PyUnicode_FromFormat("[Errno %S] %S",
self->myerrno ? self->myerrno: Py_None,
self->strerror ? self->strerror: Py_None);
else
return BaseException_str((PyBaseExceptionObject *)self);
return BaseException_str((PyBaseExceptionObject *)self);
}
static PyMemberDef EnvironmentError_members[] = {
{"errno", T_OBJECT, offsetof(PyEnvironmentErrorObject, myerrno), 0,
PyDoc_STR("exception errno")},
{"strerror", T_OBJECT, offsetof(PyEnvironmentErrorObject, strerror), 0,
PyDoc_STR("exception strerror")},
{"filename", T_OBJECT, offsetof(PyEnvironmentErrorObject, filename), 0,
PyDoc_STR("exception filename")},
{NULL} /* Sentinel */
};
static PyObject *
EnvironmentError_reduce(PyEnvironmentErrorObject *self)
OSError_reduce(PyOSErrorObject *self)
{
PyObject *args = self->args;
PyObject *res = NULL, *tmp;
/* self->args is only the first two real arguments if there was a
* file name given to EnvironmentError. */
* file name given to OSError. */
if (PyTuple_GET_SIZE(args) == 2 && self->filename) {
args = PyTuple_New(3);
if (!args) return NULL;
@ -695,144 +820,93 @@ EnvironmentError_reduce(PyEnvironmentErrorObject *self)
return res;
}
static PyObject *
OSError_written_get(PyOSErrorObject *self, void *context)
{
if (self->written == -1) {
PyErr_SetString(PyExc_AttributeError, "characters_written");
return NULL;
}
return PyLong_FromSsize_t(self->written);
}
static PyMethodDef EnvironmentError_methods[] = {
{"__reduce__", (PyCFunction)EnvironmentError_reduce, METH_NOARGS},
static int
OSError_written_set(PyOSErrorObject *self, PyObject *arg, void *context)
{
Py_ssize_t n;
n = PyNumber_AsSsize_t(arg, PyExc_ValueError);
if (n == -1 && PyErr_Occurred())
return -1;
self->written = n;
return 0;
}
static PyMemberDef OSError_members[] = {
{"errno", T_OBJECT, offsetof(PyOSErrorObject, myerrno), 0,
PyDoc_STR("POSIX exception code")},
{"strerror", T_OBJECT, offsetof(PyOSErrorObject, strerror), 0,
PyDoc_STR("exception strerror")},
{"filename", T_OBJECT, offsetof(PyOSErrorObject, filename), 0,
PyDoc_STR("exception filename")},
#ifdef MS_WINDOWS
{"winerror", T_OBJECT, offsetof(PyOSErrorObject, winerror), 0,
PyDoc_STR("Win32 exception code")},
#endif
{NULL} /* Sentinel */
};
static PyMethodDef OSError_methods[] = {
{"__reduce__", (PyCFunction)OSError_reduce, METH_NOARGS},
{NULL}
};
ComplexExtendsException(PyExc_Exception, EnvironmentError,
EnvironmentError, EnvironmentError_dealloc,
EnvironmentError_methods, EnvironmentError_members,
EnvironmentError_str,
static PyGetSetDef OSError_getset[] = {
{"characters_written", (getter) OSError_written_get,
(setter) OSError_written_set, NULL},
{NULL}
};
ComplexExtendsException(PyExc_Exception, OSError,
OSError, OSError_new,
OSError_methods, OSError_members, OSError_getset,
OSError_str,
"Base class for I/O related errors.");
/*
* IOError extends EnvironmentError
* Various OSError subclasses
*/
MiddlingExtendsException(PyExc_EnvironmentError, IOError,
EnvironmentError, "I/O operation failed.");
/*
* OSError extends EnvironmentError
*/
MiddlingExtendsException(PyExc_EnvironmentError, OSError,
EnvironmentError, "OS system call failed.");
/*
* WindowsError extends OSError
*/
#ifdef MS_WINDOWS
#include "errmap.h"
static int
WindowsError_clear(PyWindowsErrorObject *self)
{
Py_CLEAR(self->myerrno);
Py_CLEAR(self->strerror);
Py_CLEAR(self->filename);
Py_CLEAR(self->winerror);
return BaseException_clear((PyBaseExceptionObject *)self);
}
static void
WindowsError_dealloc(PyWindowsErrorObject *self)
{
_PyObject_GC_UNTRACK(self);
WindowsError_clear(self);
Py_TYPE(self)->tp_free((PyObject *)self);
}
static int
WindowsError_traverse(PyWindowsErrorObject *self, visitproc visit, void *arg)
{
Py_VISIT(self->myerrno);
Py_VISIT(self->strerror);
Py_VISIT(self->filename);
Py_VISIT(self->winerror);
return BaseException_traverse((PyBaseExceptionObject *)self, visit, arg);
}
static int
WindowsError_init(PyWindowsErrorObject *self, PyObject *args, PyObject *kwds)
{
PyObject *o_errcode = NULL;
long errcode;
long posix_errno;
if (EnvironmentError_init((PyEnvironmentErrorObject *)self, args, kwds)
== -1)
return -1;
if (self->myerrno == NULL)
return 0;
/* Set errno to the POSIX errno, and winerror to the Win32
error code. */
errcode = PyLong_AsLong(self->myerrno);
if (errcode == -1 && PyErr_Occurred())
return -1;
posix_errno = winerror_to_errno(errcode);
Py_CLEAR(self->winerror);
self->winerror = self->myerrno;
o_errcode = PyLong_FromLong(posix_errno);
if (!o_errcode)
return -1;
self->myerrno = o_errcode;
return 0;
}
static PyObject *
WindowsError_str(PyWindowsErrorObject *self)
{
if (self->filename)
return PyUnicode_FromFormat("[Error %S] %S: %R",
self->winerror ? self->winerror: Py_None,
self->strerror ? self->strerror: Py_None,
self->filename);
else if (self->winerror && self->strerror)
return PyUnicode_FromFormat("[Error %S] %S",
self->winerror ? self->winerror: Py_None,
self->strerror ? self->strerror: Py_None);
else
return EnvironmentError_str((PyEnvironmentErrorObject *)self);
}
static PyMemberDef WindowsError_members[] = {
{"errno", T_OBJECT, offsetof(PyWindowsErrorObject, myerrno), 0,
PyDoc_STR("POSIX exception code")},
{"strerror", T_OBJECT, offsetof(PyWindowsErrorObject, strerror), 0,
PyDoc_STR("exception strerror")},
{"filename", T_OBJECT, offsetof(PyWindowsErrorObject, filename), 0,
PyDoc_STR("exception filename")},
{"winerror", T_OBJECT, offsetof(PyWindowsErrorObject, winerror), 0,
PyDoc_STR("Win32 exception code")},
{NULL} /* Sentinel */
};
ComplexExtendsException(PyExc_OSError, WindowsError, WindowsError,
WindowsError_dealloc, 0, WindowsError_members,
WindowsError_str, "MS-Windows OS system call failed.");
#endif /* MS_WINDOWS */
/*
* VMSError extends OSError (I think)
*/
#ifdef __VMS
MiddlingExtendsException(PyExc_OSError, VMSError, EnvironmentError,
"OpenVMS OS system call failed.");
#endif
MiddlingExtendsException(PyExc_OSError, BlockingIOError, OSError,
"I/O operation would block.");
MiddlingExtendsException(PyExc_OSError, ConnectionError, OSError,
"Connection error.");
MiddlingExtendsException(PyExc_OSError, ChildProcessError, OSError,
"Child process error.");
MiddlingExtendsException(PyExc_ConnectionError, BrokenPipeError, OSError,
"Broken pipe.");
MiddlingExtendsException(PyExc_ConnectionError, ConnectionAbortedError, OSError,
"Connection aborted.");
MiddlingExtendsException(PyExc_ConnectionError, ConnectionRefusedError, OSError,
"Connection refused.");
MiddlingExtendsException(PyExc_ConnectionError, ConnectionResetError, OSError,
"Connection reset.");
MiddlingExtendsException(PyExc_OSError, FileExistsError, OSError,
"File already exists.");
MiddlingExtendsException(PyExc_OSError, FileNotFoundError, OSError,
"File not found.");
MiddlingExtendsException(PyExc_OSError, IsADirectoryError, OSError,
"Operation doesn't work on directories.");
MiddlingExtendsException(PyExc_OSError, NotADirectoryError, OSError,
"Operation only works on directories.");
MiddlingExtendsException(PyExc_OSError, InterruptedError, OSError,
"Interrupted by signal.");
MiddlingExtendsException(PyExc_OSError, PermissionError, OSError,
"Not enough permissions.");
MiddlingExtendsException(PyExc_OSError, ProcessLookupError, OSError,
"Process not found.");
MiddlingExtendsException(PyExc_OSError, TimeoutError, OSError,
"Timeout expired.");
/*
* EOFError extends Exception
@ -1046,7 +1120,7 @@ static PyMemberDef SyntaxError_members[] = {
};
ComplexExtendsException(PyExc_Exception, SyntaxError, SyntaxError,
SyntaxError_dealloc, 0, SyntaxError_members,
0, 0, SyntaxError_members, 0,
SyntaxError_str, "Invalid syntax.");
@ -1100,7 +1174,7 @@ KeyError_str(PyBaseExceptionObject *self)
}
ComplexExtendsException(PyExc_LookupError, KeyError, BaseException,
0, 0, 0, KeyError_str, "Mapping key not found.");
0, 0, 0, 0, KeyError_str, "Mapping key not found.");
/*
@ -1977,6 +2051,45 @@ PyObject *PyExc_RecursionErrorInst = NULL;
if (PyDict_SetItemString(bdict, # TYPE, PyExc_ ## TYPE)) \
Py_FatalError("Module dictionary insertion problem.");
#define INIT_ALIAS(NAME, TYPE) Py_INCREF(PyExc_ ## TYPE); \
PyExc_ ## NAME = PyExc_ ## TYPE; \
if (PyDict_SetItemString(bdict, # NAME, PyExc_ ## NAME)) \
Py_FatalError("Module dictionary insertion problem.");
#define ADD_ERRNO(TYPE, CODE) { \
PyObject *_code = PyLong_FromLong(CODE); \
assert(_PyObject_RealIsSubclass(PyExc_ ## TYPE, PyExc_OSError)); \
if (!_code || PyDict_SetItem(errnomap, _code, PyExc_ ## TYPE)) \
Py_FatalError("errmap insertion problem."); \
}
#ifdef MS_WINDOWS
#include <Winsock2.h>
#if defined(WSAEALREADY) && !defined(EALREADY)
#define EALREADY WSAEALREADY
#endif
#if defined(WSAECONNABORTED) && !defined(ECONNABORTED)
#define ECONNABORTED WSAECONNABORTED
#endif
#if defined(WSAECONNREFUSED) && !defined(ECONNREFUSED)
#define ECONNREFUSED WSAECONNREFUSED
#endif
#if defined(WSAECONNRESET) && !defined(ECONNRESET)
#define ECONNRESET WSAECONNRESET
#endif
#if defined(WSAEINPROGRESS) && !defined(EINPROGRESS)
#define EINPROGRESS WSAEINPROGRESS
#endif
#if defined(WSAESHUTDOWN) && !defined(ESHUTDOWN)
#define ESHUTDOWN WSAESHUTDOWN
#endif
#if defined(WSAETIMEDOUT) && !defined(ETIMEDOUT)
#define ETIMEDOUT WSAETIMEDOUT
#endif
#if defined(WSAEWOULDBLOCK) && !defined(EWOULDBLOCK)
#define EWOULDBLOCK WSAEWOULDBLOCK
#endif
#endif /* MS_WINDOWS */
void
_PyExc_Init(void)
@ -1991,15 +2104,7 @@ _PyExc_Init(void)
PRE_INIT(SystemExit)
PRE_INIT(KeyboardInterrupt)
PRE_INIT(ImportError)
PRE_INIT(EnvironmentError)
PRE_INIT(IOError)
PRE_INIT(OSError)
#ifdef MS_WINDOWS
PRE_INIT(WindowsError)
#endif
#ifdef __VMS
PRE_INIT(VMSError)
#endif
PRE_INIT(EOFError)
PRE_INIT(RuntimeError)
PRE_INIT(NotImplementedError)
@ -2039,6 +2144,24 @@ _PyExc_Init(void)
PRE_INIT(BytesWarning)
PRE_INIT(ResourceWarning)
/* OSError subclasses */
PRE_INIT(ConnectionError);
PRE_INIT(BlockingIOError);
PRE_INIT(BrokenPipeError);
PRE_INIT(ChildProcessError);
PRE_INIT(ConnectionAbortedError);
PRE_INIT(ConnectionRefusedError);
PRE_INIT(ConnectionResetError);
PRE_INIT(FileExistsError);
PRE_INIT(FileNotFoundError);
PRE_INIT(IsADirectoryError);
PRE_INIT(NotADirectoryError);
PRE_INIT(InterruptedError);
PRE_INIT(PermissionError);
PRE_INIT(ProcessLookupError);
PRE_INIT(TimeoutError);
bltinmod = PyImport_ImportModule("builtins");
if (bltinmod == NULL)
Py_FatalError("exceptions bootstrapping error.");
@ -2054,14 +2177,14 @@ _PyExc_Init(void)
POST_INIT(SystemExit)
POST_INIT(KeyboardInterrupt)
POST_INIT(ImportError)
POST_INIT(EnvironmentError)
POST_INIT(IOError)
POST_INIT(OSError)
INIT_ALIAS(EnvironmentError, OSError)
INIT_ALIAS(IOError, OSError)
#ifdef MS_WINDOWS
POST_INIT(WindowsError)
INIT_ALIAS(WindowsError, OSError)
#endif
#ifdef __VMS
POST_INIT(VMSError)
INIT_ALIAS(VMSError, OSError)
#endif
POST_INIT(EOFError)
POST_INIT(RuntimeError)
@ -2102,6 +2225,47 @@ _PyExc_Init(void)
POST_INIT(BytesWarning)
POST_INIT(ResourceWarning)
errnomap = PyDict_New();
if (!errnomap)
Py_FatalError("Cannot allocate map from errnos to OSError subclasses");
/* OSError subclasses */
POST_INIT(ConnectionError);
POST_INIT(BlockingIOError);
ADD_ERRNO(BlockingIOError, EAGAIN);
ADD_ERRNO(BlockingIOError, EALREADY);
ADD_ERRNO(BlockingIOError, EINPROGRESS);
ADD_ERRNO(BlockingIOError, EWOULDBLOCK);
POST_INIT(BrokenPipeError);
ADD_ERRNO(BrokenPipeError, EPIPE);
ADD_ERRNO(BrokenPipeError, ESHUTDOWN);
POST_INIT(ChildProcessError);
ADD_ERRNO(ChildProcessError, ECHILD);
POST_INIT(ConnectionAbortedError);
ADD_ERRNO(ConnectionAbortedError, ECONNABORTED);
POST_INIT(ConnectionRefusedError);
ADD_ERRNO(ConnectionRefusedError, ECONNREFUSED);
POST_INIT(ConnectionResetError);
ADD_ERRNO(ConnectionResetError, ECONNRESET);
POST_INIT(FileExistsError);
ADD_ERRNO(FileExistsError, EEXIST);
POST_INIT(FileNotFoundError);
ADD_ERRNO(FileNotFoundError, ENOENT);
POST_INIT(IsADirectoryError);
ADD_ERRNO(IsADirectoryError, EISDIR);
POST_INIT(NotADirectoryError);
ADD_ERRNO(NotADirectoryError, ENOTDIR);
POST_INIT(InterruptedError);
ADD_ERRNO(InterruptedError, EINTR);
POST_INIT(PermissionError);
ADD_ERRNO(PermissionError, EACCES);
ADD_ERRNO(PermissionError, EPERM);
POST_INIT(ProcessLookupError);
ADD_ERRNO(ProcessLookupError, ESRCH);
POST_INIT(TimeoutError);
ADD_ERRNO(TimeoutError, ETIMEDOUT);
preallocate_memerrors();
PyExc_RecursionErrorInst = BaseException_new(&_PyExc_RuntimeError, NULL, NULL);
@ -2135,4 +2299,5 @@ _PyExc_Fini(void)
{
Py_CLEAR(PyExc_RecursionErrorInst);
free_preallocated_memerrors();
Py_CLEAR(errnomap);
}

9
Python/errors.c
View File

@ -496,10 +496,11 @@ PyObject *PyErr_SetExcFromWindowsErrWithFilenameObject(
return NULL;
}
if (filenameObject != NULL)
v = Py_BuildValue("(iOO)", err, message, filenameObject);
else
v = Py_BuildValue("(iO)", err, message);
if (filenameObject == NULL)
filenameObject = Py_None;
/* This is the constructor signature for passing a Windows error code.
The POSIX translation will be figured out by the constructor. */
v = Py_BuildValue("(iOOi)", 0, message, filenameObject, err);
Py_DECREF(message);
if (v != NULL) {