mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-03 16:39:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

[3.12] gh-105375: Improve error handling in the sys extension module (GH-105611) (#105665)

Browse source 
In _PySys_AddXOptionWithError() and sys_add_xoption(),
bail on first error to prevent exceptions from possibly being
overwritten.
(cherry picked from commit 41cddc2e93)

Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
This commit is contained in:
Miss Islington (bot) 2023-06-11 14:12:17 -07:00 • committed by GitHub
parent 82ac2be6b3
commit a1034b5fd3
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

2
Misc/NEWS.d/next/Library/2023-06-09-23-46-23.gh-issue-105375.9KaioS.rst Normal file
View file

@ -0,0 +1,2 @@
Fix bugs in :mod:`sys` where exceptions could end up being overwritten
because of deferred error handling.

24
Python/sysmodule.c
View file

@ -2718,15 +2718,21 @@ _PySys_AddXOptionWithError(const wchar_t *s)
const wchar_t *name_end = wcschr(s, L'=');
if (!name_end) {
name = PyUnicode_FromWideChar(s, -1);
if (name == NULL) {
goto error;
}
value = Py_NewRef(Py_True);
}
else {
name = PyUnicode_FromWideChar(s, name_end - s);
value = PyUnicode_FromWideChar(name_end + 1, -1);
}
if (name == NULL || value == NULL) {
if (name == NULL) {
goto error;
}
value = PyUnicode_FromWideChar(name_end + 1, -1);
if (value == NULL) {
goto error;
}
}
if (PyDict_SetItem(opts, name, value) < 0) {
goto error;
}
@ -3370,15 +3376,21 @@ sys_add_xoption(PyObject *opts, const wchar_t *s)
const wchar_t *name_end = wcschr(s, L'=');
if (!name_end) {
name = PyUnicode_FromWideChar(s, -1);
if (name == NULL) {
goto error;
}
value = Py_NewRef(Py_True);
}
else {
name = PyUnicode_FromWideChar(s, name_end - s);
value = PyUnicode_FromWideChar(name_end + 1, -1);
}
if (name == NULL || value == NULL) {
if (name == NULL) {
goto error;
}
value = PyUnicode_FromWideChar(name_end + 1, -1);
if (value == NULL) {
goto error;
}
}
if (PyDict_SetItem(opts, name, value) < 0) {
goto error;
}