#6844: do not emit DeprecationWarnings on access if Exception.message has been set by the user.

This works by always setting it in __dict__, except when it's implicitly set in __init__.
This commit is contained in:
Georg Brandl 2009-09-16 20:30:09 +00:00
parent 4676048b43
commit 0674d3fb5f
3 changed files with 82 additions and 18 deletions

View file

@ -300,30 +300,51 @@ BaseException_set_args(PyBaseExceptionObject *self, PyObject *val)
static PyObject *
BaseException_get_message(PyBaseExceptionObject *self)
{
int ret;
ret = PyErr_WarnEx(PyExc_DeprecationWarning,
"BaseException.message has been deprecated as "
"of Python 2.6", 1);
if (ret < 0)
return NULL;
PyObject *msg;
/* if "message" is in self->dict, accessing a user-set message attribute */
if (self->dict &&
(msg = PyDict_GetItemString(self->dict, "message"))) {
Py_INCREF(msg);
return msg;
}
Py_INCREF(self->message);
return self->message;
if (self->message == NULL) {
PyErr_SetString(PyExc_AttributeError, "message attribute was deleted");
return NULL;
}
/* accessing the deprecated "builtin" message attribute of Exception */
if (PyErr_WarnEx(PyExc_DeprecationWarning,
"BaseException.message has been deprecated as "
"of Python 2.6", 1) < 0)
return NULL;
Py_INCREF(self->message);
return self->message;
}
static int
BaseException_set_message(PyBaseExceptionObject *self, PyObject *val)
{
int ret;
ret = PyErr_WarnEx(PyExc_DeprecationWarning,
"BaseException.message has been deprecated as "
"of Python 2.6", 1);
if (ret < 0)
return -1;
Py_INCREF(val);
Py_DECREF(self->message);
self->message = val;
return 0;
/* if val is NULL, delete the message attribute */
if (val == NULL) {
if (self->dict && PyDict_GetItemString(self->dict, "message")) {
if (PyDict_DelItemString(self->dict, "message") < 0)
return -1;
}
Py_XDECREF(self->message);
self->message = NULL;
return 0;
}
/* else set it in __dict__, but may need to create the dict first */
if (self->dict == NULL) {
self->dict = PyDict_New();
if (!self->dict)
return -1;
}
return PyDict_SetItemString(self->dict, "message", val);
}
static PyGetSetDef BaseException_getset[] = {