[3.13] gh-74929: PEP 667 C API documentation (gh-119892)

* Add docs for new APIs
* Add soft-deprecation notices
* Add What's New porting entries
* Update comments referencing `PyFrame_LocalsToFast()` to mention the proxy instead
* Other related cleanups found when looking for refs to the deprecated APIs

(cherry picked from commit 3859e09e3d)

Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com>
This commit is contained in:
Miss Islington (bot) 2024-06-01 06:23:04 +02:00 committed by GitHub
parent a5272e63ef
commit 0a266f7e74
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9 changed files with 104 additions and 11 deletions

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@ -4747,7 +4747,7 @@
next_instr += 1;
INSTRUCTION_STATS(MAKE_CELL);
// "initial" is probably NULL but not if it's an arg (or set
// via PyFrame_LocalsToFast() before MAKE_CELL has run).
// via the f_locals proxy before MAKE_CELL has run).
PyObject *initial = GETLOCAL(oparg);
PyObject *cell = PyCell_New(initial);
if (cell == NULL) {