gh-108082: Use PyErr_FormatUnraisable() #111580
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Replace most of calls of _PyErr_WriteUnraisableMsg() and some calls of PyErr_WriteUnraisable(NULL) with PyErr_FormatUnraisable().
serhiy-storchaka
requested review from
pablogsal,
kumaraditya303,
markshannon,
iritkatriel and
methane
as code owners
vstinner
reviewed
Nov 1, 2023
Modules/gcmodule.c
Outdated
| @@ -1032,8 +1032,8 @@ delete_garbage(PyThreadState *tstate, GCState *gcstate, | |||
| Py_INCREF(op); | |||
| (void) clear(op); | |||
| if (_PyErr_Occurred(tstate)) { | |||
| _PyErr_WriteUnraisableMsg("in tp_clear of", | |||
| (PyObject*)Py_TYPE(op)); | |||
| PyErr_FormatUnraisable("Exception ignored in tp_clear of %.200s", | |||
There was a problem hiding this comment.
IMO %.200s is a bug here. We should no longer truncate type names if they are too long. Many years ago, Python had an internal buffer of a fixed size and so the overall string must not be too long. But this has been fixed.
Please don't truncate type names.
Objects/moduleobject.c
Outdated
Comment on lines
905
to
907
| PyErr_FormatUnraisable("Exception ignored in m_clear of module%s%V\n", | ||
| m->md_name ? " " : "", | ||
| m->md_name, ""); |
There was a problem hiding this comment.
Suggested change
| PyErr_FormatUnraisable("Exception ignored in m_clear of module%s%V\n", | |
| m->md_name ? " " : "", | |
| m->md_name, ""); | |
| PyErr_FormatUnraisable("Exception ignored in m_clear of module%s%V", | |
| m->md_name ? " " : "", | |
| m->md_name); |
Objects/typeobject.c
Outdated
| @@ -828,7 +828,7 @@ PyType_Modified(PyTypeObject *type) | |||
| if (bits & 1) { | |||
| PyType_WatchCallback cb = interp->type_watchers[i]; | |||
| if (cb && (cb(type) < 0)) { | |||
| PyErr_WriteUnraisable((PyObject *)type); | |||
| PyErr_FormatUnraisable("Exception ignored in watcher callback for %R", i, type); | |||
There was a problem hiding this comment.
If you want to log i variable, you should add %i somewhere.
vstinner
approved these changes
Nov 1, 2023
| PyErr_WriteUnraisable(NULL); | ||
| PyErr_FormatUnraisable("Exception ignored in m_clear of module%s%V", | ||
| m->md_name ? " " : "", | ||
| m->md_name, ""); |
There was a problem hiding this comment.
The last "" is not used, it can be removed.
Co-authored-by: Victor Stinner <[email protected]>
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|
I wanted to do this change for many years. It's awful to get a warning without any context :-( Thanks for this nice enhancement! I like PyErr_FormatUnraisable() API! |
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We both wanted it. But other tasks had higher priorities. |
FullteaR
pushed a commit
to FullteaR/cpython
that referenced
this pull request
Nov 3, 2023
Replace most of calls of _PyErr_WriteUnraisableMsg() and some calls of PyErr_WriteUnraisable(NULL) with PyErr_FormatUnraisable(). Co-authored-by: Victor Stinner <[email protected]>
aisk
pushed a commit
to aisk/cpython
that referenced
this pull request
Feb 11, 2024
Replace most of calls of _PyErr_WriteUnraisableMsg() and some calls of PyErr_WriteUnraisable(NULL) with PyErr_FormatUnraisable(). Co-authored-by: Victor Stinner <[email protected]>
Glyphack
pushed a commit
to Glyphack/cpython
that referenced
this pull request
Sep 2, 2024
Replace most of calls of _PyErr_WriteUnraisableMsg() and some calls of PyErr_WriteUnraisable(NULL) with PyErr_FormatUnraisable(). Co-authored-by: Victor Stinner <[email protected]>
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Replace most of calls of _PyErr_WriteUnraisableMsg() and some calls of PyErr_WriteUnraisable(NULL) with PyErr_FormatUnraisable().