mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 00:48:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

PEP 415: Implement suppression of __context__ display with an exception attribute

Browse source 
This replaces the original PEP 409 implementation. See #14133.
This commit is contained in:
Benjamin Peterson 2012-05-14 22:09:31 -07:00
parent d91dc62379
commit d5a1c44455
12 changed files with 80 additions and 79 deletions
Download patch file Download diff file Expand all files Collapse all files

23
Python/ceval.c
View file

@ -3572,23 +3572,26 @@ do_raise(PyObject *exc, PyObject *cause)
if (cause) {
PyObject *fixed_cause;
int result;
if (PyExceptionClass_Check(cause)) {
fixed_cause = PyObject_CallObject(cause, NULL);
if (fixed_cause == NULL)
goto raise_error;
Py_CLEAR(cause);
} else {
/* Let "exc.__cause__ = cause" handle all further checks */
fixed_cause = cause;
cause = NULL; /* Steal the reference */
Py_DECREF(cause);
}
/* We retain ownership of the reference to fixed_cause */
result = _PyException_SetCauseChecked(value, fixed_cause);
Py_DECREF(fixed_cause);
if (result < 0) {
else if (PyExceptionInstance_Check(cause)) {
fixed_cause = cause;
}
else if (cause == Py_None) {
Py_DECREF(cause);
fixed_cause = NULL;
}
else {
PyErr_SetString(PyExc_TypeError,
"exception causes must derive from "
"BaseException");
goto raise_error;
}
PyException_SetCause(value, fixed_cause);
}
PyErr_SetObject(type, value);