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Code Issues Projects Releases Packages Wiki Activity Actions 17

bpo-31033: Improve the traceback for cancelled asyncio tasks (GH-19951)

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When an asyncio.Task is cancelled, the exception traceback now
starts with where the task was first interrupted.  Previously,
the traceback only had "depth one."
This commit is contained in:
Chris Jerdonek 2020-05-17 22:47:31 -07:00 • committed by GitHub
parent d17f3d8315
commit da742ba826
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 290 additions and 80 deletions
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17
Include/internal/pycore_pyerrors.h
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@ -14,6 +14,20 @@ static inline PyObject* _PyErr_Occurred(PyThreadState *tstate)
return tstate->curexc_type;
}
static inline void _PyErr_ClearExcState(_PyErr_StackItem *exc_state)
{
PyObject *t, *v, *tb;
t = exc_state->exc_type;
v = exc_state->exc_value;
tb = exc_state->exc_traceback;
exc_state->exc_type = NULL;
exc_state->exc_value = NULL;
exc_state->exc_traceback = NULL;
Py_XDECREF(t);
Py_XDECREF(v);
Py_XDECREF(tb);
}
PyAPI_FUNC(void) _PyErr_Fetch(
PyThreadState *tstate,
@ -36,6 +50,9 @@ PyAPI_FUNC(void) _PyErr_SetObject(
PyObject *type,
PyObject *value);
PyAPI_FUNC(void) _PyErr_ChainStackItem(
_PyErr_StackItem *exc_state);
PyAPI_FUNC(void) _PyErr_Clear(PyThreadState *tstate);
PyAPI_FUNC(void) _PyErr_SetNone(PyThreadState *tstate, PyObject *exception);