PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy.
diff --git a/Objects/exceptions.c b/Objects/exceptions.c
index 60b340b..ad618ff 100644
--- a/Objects/exceptions.c
+++ b/Objects/exceptions.c
@@ -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 @@
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 @@
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 @@
};
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 @@
/*
- * 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 @@
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 @@
};
ComplexExtendsException(PyExc_Exception, SyntaxError, SyntaxError,
- SyntaxError_dealloc, 0, SyntaxError_members,
+ 0, 0, SyntaxError_members, 0,
SyntaxError_str, "Invalid syntax.");
@@ -1100,7 +1174,7 @@
}
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
{
Py_CLEAR(PyExc_RecursionErrorInst);
free_preallocated_memerrors();
+ Py_CLEAR(errnomap);
}