mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-07-31 07:04:42 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 9

Add PyErr_WarnEx() so C code can pass the stacklevel to warnings.warn().

Browse source 
This provides the proper warning for struct.pack().
PyErr_Warn() is now deprecated in favor of PyErr_WarnEx().
As mentioned by Tim Peters on python-dev.
This commit is contained in:
Neal Norwitz 2006-07-30 06:55:48 +00:00
parent 0d62a06206
commit 07aadb14f3
4 changed files with 28 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Include/pyerrors.h
View file

@ -225,10 +225,14 @@ PyAPI_FUNC(PyObject *) PyErr_NewException(char *name, PyObject *base,
PyAPI_FUNC(void) PyErr_WriteUnraisable(PyObject *);
/* Issue a warning or exception */
PyAPI_FUNC(int) PyErr_Warn(PyObject *, char *);
PyAPI_FUNC(int) PyErr_WarnEx(PyObject *category, const char *msg,
Py_ssize_t stack_level);
PyAPI_FUNC(int) PyErr_WarnExplicit(PyObject *, const char *,
const char *, int,
const char *, PyObject *);
/* PyErr_Warn is only for backwards compatability and will be removed.
Use PyErr_WarnEx instead. */
#define PyErr_Warn(category, msg) PyErr_WarnEx(category, msg, 1)
/* In sigcheck.c or signalmodule.c */
PyAPI_FUNC(int) PyErr_CheckSignals(void);

4
Misc/NEWS
View file

@ -12,6 +12,10 @@ What's New in Python 2.5 beta 3?
Core and builtins
-----------------
- Add PyErr_WarnEx() so C code can pass the stacklevel to warnings.warn().
This provides the proper warning for struct.pack().
PyErr_Warn() is now deprecated in favor of PyErr_WarnEx().
- Patch #1531113: Fix augmented assignment with yield expressions.
Also fix a SystemError when trying to assign to yield expressions.

10
Modules/_struct.c
View file

@ -214,6 +214,8 @@ get_ulonglong(PyObject *v, unsigned PY_LONG_LONG *p)
/* Helper routine to get a Python integer and raise the appropriate error
if it isn't one */
#define INT_OVERFLOW "struct integer overflow masking is deprecated"
static int
get_wrapped_long(PyObject *v, long *p)
{
@ -223,7 +225,7 @@ get_wrapped_long(PyObject *v, long *p)
PyObject *wrapped;
long x;
PyErr_Clear();
if (PyErr_Warn(PyExc_DeprecationWarning, "struct integer overflow masking is deprecated") < 0)
if (PyErr_WarnEx(PyExc_DeprecationWarning, INT_OVERFLOW, 2) < 0)
return -1;
wrapped = PyNumber_And(v, pylong_ulong_mask);
if (wrapped == NULL)
@ -250,7 +252,7 @@ get_wrapped_ulong(PyObject *v, unsigned long *p)
wrapped = PyNumber_And(v, pylong_ulong_mask);
if (wrapped == NULL)
return -1;
if (PyErr_Warn(PyExc_DeprecationWarning, "struct integer overflow masking is deprecated") < 0) {
if (PyErr_WarnEx(PyExc_DeprecationWarning, INT_OVERFLOW, 2) < 0) {
Py_DECREF(wrapped);
return -1;
}
@ -345,8 +347,8 @@ _range_error(const formatdef *f, int is_unsigned)
Py_XDECREF(ptraceback);
if (msg == NULL)
return -1;
rval = PyErr_Warn(PyExc_DeprecationWarning,
PyString_AS_STRING(msg));
rval = PyErr_WarnEx(PyExc_DeprecationWarning,
PyString_AS_STRING(msg), 2);
Py_DECREF(msg);
if (rval == 0)
return 0;

15
Python/errors.c
View file

@ -632,7 +632,7 @@ extern PyObject *PyModule_GetWarningsModule(void);
/* Function to issue a warning message; may raise an exception. */
int
PyErr_Warn(PyObject *category, char *message)
PyErr_WarnEx(PyObject *category, const char *message, Py_ssize_t stack_level)
{
PyObject *dict, *func = NULL;
PyObject *warnings_module = PyModule_GetWarningsModule();
@ -650,7 +650,8 @@ PyErr_Warn(PyObject *category, char *message)
if (category == NULL)
category = PyExc_RuntimeWarning;
res = PyObject_CallFunction(func, "sO", message, category);
res = PyObject_CallFunction(func, "sOn",
message, category, stack_level);
if (res == NULL)
return -1;
Py_DECREF(res);
@ -658,6 +659,16 @@ PyErr_Warn(PyObject *category, char *message)
}
}
/* PyErr_Warn is only for backwards compatability and will be removed.
Use PyErr_WarnEx instead. */
#undef PyErr_Warn
int
PyErr_Warn(PyObject *category, char *message)
{
return PyErr_WarnEx(category, message, 1);
}
/* Warning with explicit origin */
int