* Add a special case for s[-m:] == p in _PyBytes_Find

* Add tests for _PyBytes_Find

* Make...

Co-authored-by: Nikita Sobolev <[email protected]>

Replace `assert` with `raise ` in `threading.py` so that -OO does not alter _DummyThread behavior.

For an example of what this does for Tier 1 and Tier 2, see
https://github.com/python/cpython/i...

If you prefer to see `#line` directives in generated_cases.c.h, run
```
make regen-cases CASES...

Co-authored-by: Hugo van Kemenade <[email protected]>

Fetch CONFIG_ARGS from the original source directory, instead of from
the copied source tree. W...

Note that this may generate two SAVE_IP uops in a row.
Removing unneeded SAVE_IP uops is the op...

Also add PyMapping_GetOptionalItemString() function.

It is a new name of former _PyObject_LookupAttr().

Add also PyObject_GetOptionalAttrString().

During superblock generation, a JUMP_BACKWARD instruction is translated to either a JUMP_TO_TOP ...

Test fix for when one enters, for instance, 'abd' at the 'help>' prompt.
---------

Co-author...

* Added missing import statement.

* Update Doc/tutorial/controlflow.rst

* Update Doc/tutor...

gh-86618 assumed a-b-c = a-(b+c) = a-d where d = b+d.
For floats 2.0, 1.0, and 0.99999999999999...

It is no longer valid since 0.15.0
https://github.com/editorconfig/specification/blob/v0.15/ind...

For example:

class Flag(enum.Flag):
A = 0x01
B = 0x02
MASK = 0...

* Convert PyObject_DelAttr() and PyObject_DelAttrString() macros to
functions.
* Add PyObjec...

* lambda has a name of __none__, but no async lambda so this branch is not needed

* _get_sign...

(gh-106551 caused a compiler warning about on Windows.)

- Hand-written uops JUMP_IF_{TRUE,FALSE}.
These peek at the top of the stack.
The jump tar...

Detect email address parsing errors and return empty tuple to indicate the parsing error (old AP...

Fixes a hang in multiprocessing process pool executor when a child process crashes and code coul...

Reduce test noise by fixing or catching and testing stderr messages from individual tests.

te...

This compensates for static builtin types having `tp_dict` set to `NULL`.

Co-authored-by: Pet...

threadingmock: Remove unused branch for `timeout`

This is no longer needed as the mock does n...

Add tests for codecs.

* Add two more specializations of LOAD_ATTR.

When changing docs, it was easy to find text in topics.py, and I
wondered whether I was suppose...

PyWeakref_GetRef() now returns 1 on success, and return 0 if the
reference is dead.

Co-autho...

It simplifies and speed up the code.

The getopt module exists since the initial revision of the Python
source code (1990). The optpa...

Now the VERBOSE macro can control tracing on per-pattern basis:

* 0 -- disabled
* 1 -- only ...

Some items remained uninitialized if _sre.template() was called with invalid
indices. Then atte...

Co-authored-by: Erlend E. Aasland <[email protected]>

When running 'make regen-cases' just to check whether anything changed,
it's annoying that even...

Schedule the removal of C API global configuration variables in
Python 3.14. Announce the remov...

Mark the optparse module as soft deprecated.

Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by:...

This adds several of unspecialized opcodes to superblocks:

TO_BOOL, BINARY_SUBSCR, STORE_SUBS...

Instead of special-casing specific instructions,
we add a few more special values to the 'size'...

With test.

Prevent `multiprocessing.spawn` from failing to *import* in environments
where `sys.executable`...

The uops test wasn't testing anything by default,
and was failing when run with -Xuops.

Made...

When `_PyOptimizer_BackEdge` returns `NULL`, we should restore `next_instr` (and `stack_pointer`...

Mark `testthreadingmock.py` with `threading_helper.requires_working_threading`.

Also add long...

Co-authored-by: Hugo van Kemenade <[email protected]>

clinic.py: Don't needlessly reimplement `contextlib.redirect_stdout`

Co-authored-by: Ariel Eizenberg <[email protected]>

* gh-105340: include hidden fast-locals in locals()

* gh-106292: restore checking __dict__ in cached_property.__get__

Co-authored-by: Dong-hee Na...