Thanks to visit codestin.com
Credit goes to github.com

Skip to content

bpo-45711: Remove unnecessary normalization of exc_info #29922

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Dec 8, 2021
Merged

bpo-45711: Remove unnecessary normalization of exc_info #29922

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
7a22e14
bpo-45711: Remove unnecessary normalization of exc_info
iritkatriel Dec 2, 2021
ddbb27d
📜🤖 Added by blurb_it.
blurb-it[bot] Dec 5, 2021
0314b71
Fix typo in news
iritkatriel Dec 8, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Core and Builtins/2021-12-05-17-36-08.bpo-45711.3TmTSw.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
:c:func:`_PyErr_ChainStackItem` no longer normalizes ``exc_info`` (including setting the traceback on the exception instance) because ``exc_info`` is always normalized.
20 changes: 0 additions & 20 deletions Python/errors.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -647,26 +647,6 @@ _PyErr_ChainStackItem(_PyErr_StackItem *exc_info)
PyObject *typ, *val, *tb;
_PyErr_Fetch(tstate, &typ, &val, &tb);

PyObject *typ2, *val2, *tb2;
typ2 = exc_info->exc_type;
val2 = exc_info->exc_value;
tb2 = exc_info->exc_traceback;
#ifdef Py_DEBUG
PyObject *typ2_before = typ2;
PyObject *val2_before = val2;
PyObject *tb2_before = tb2;
#endif
_PyErr_NormalizeException(tstate, &typ2, &val2, &tb2);
#ifdef Py_DEBUG
/* exc_info should already be normalized */
assert(typ2 == typ2_before);
assert(val2 == val2_before);
assert(tb2 == tb2_before);
#endif
if (tb2 != NULL) {
PyException_SetTraceback(val2, tb2);
}

/* _PyErr_SetObject sets the context from PyThreadState. */
_PyErr_SetObject(tstate, typ, val);
Py_DECREF(typ); // since _PyErr_Occurred was true
Expand Down