* Support non-UTF-8 shebang and comments if non-UTF-8 encoding is specified.
* Detect decoding error in comments for UTF-8 encoding.
* Include the decoding error position for default encoding in SyntaxError.
(cherry picked from commit 5c942f11cd)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* [3.14] gh-140067: Fix memory leak in sub-interpreter creation (GH-140111)
Fix memory leak in sub-interpreter creation caused by overwriting of the previously used `_malloced` field. Now the pointer is stored in the first word of the memory block to avoid it being overwritten accidentally.
(cherry picked from commit 59547a251f)
Co-authored-by: Shamil <ashm.tech@proton.me>
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
GH-133789: Fix unpickling of pathlib objects pickled in Python 3.13 (GH-133831)
In Python 3.13 (but not 3.12 or 3.14), pathlib classes are defined in
`pathlib._local` rather than `pathlib`. In hindsight this was a mistake,
but it was difficult to predict how the abstract/local split would pan out.
In this patch we re-introduce `pathlib._local` as a stub module that
re-exports the classes from `pathlib`. This allows path objects pickled in
3.13 to be unpicked in 3.14+
(cherry picked from commit f4e51f253a)
Co-authored-by: Barney Gale <barney.gale@gmail.com>
gh-138859: Account for `ParamSpec` defaults that are not lists … (GH-138868)
(cherry picked from commit 379fd020a0)
Co-authored-by: bzoracler <50305397+bzoracler@users.noreply.github.com>
gh-140170: Fix test_site with -s flag (GH-140179)
Commit
(cherry picked from commit 7ac94fcb1d)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Revert GH-131993.
Fix swallowing some syntax warnings in different modules if they accidentally
have the same message and are emitted from the same line.
Fix duplicated warnings in the "finally" block.
(cherry picked from commit 279db6bede)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* Update 2025-10-06-10-03-37.gh-issue-139640.gY5oTb.rst
---------
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-139905: Provide suggestion in error message if `Generic.__init_subclass__` was not called (GH-139943)
(cherry picked from commit 5776d0d2e0)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Don't cache the joined path in `_raw_path` because the caching isn't thread safe.
(cherry picked from commit d9b4eef71e)
Co-authored-by: Sam Gross <colesbury@gmail.com>
* [3.14] gh-139894: fix incorrect sharing of current task while forking in `asyncio` (GH-139897)
Fix incorrect sharing of current task with the forked child process by clearing thread state's current task and current loop in `PyOS_AfterFork_Child`.
(cherry picked from commit b881df47ff)
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
* Update Lib/test/test_asyncio/test_unix_events.py
Fix trailing space before a wrapped long word if the line length with
a space is exactly "width".
(cherry picked from commit 1c598e0436)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-139391: properly handle `signal.signal()` in `UnixConsole` when called from a non-main thread (GH-139392)
(cherry picked from commit b8c8b8f1d3)
Co-authored-by: yihong <zouzou0208@gmail.com>
* [3.14] gh-139748: fix leaks in AC error paths when using unicode FS-based converters (GH-139765)
(cherry picked from commit b04a57deef)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
gh-83424: Allow empty name if handle is non-null when create ctypes.CDLL on Windows (GH-136878)
(cherry picked from commit ed522ed211)
Co-authored-by: AN Long <aisk@users.noreply.github.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
gh-137317: Fix inspect.signature() for class with wrapped __init__ or __new__ (GH-137862)
Fixed several cases where __init__, __new__ or metaclass` __call__ is a descriptor
that returns a wrapped function.
(cherry picked from commit 025a2135ef)
Co-authored-by: Ju4tCode <42488585+yanyongyu@users.noreply.github.com>
Update `validate_abstract_methods` in `test_collections.py`
The test for missing abstract methods in `validate_abstract_methods` incorrectly attempted to instantiate the generated class `C` with an argument (`C(name)`), which always raises a `TypeError: C() takes no arguments`. Although the test originally passes, it passes for the wrong reason.
This change makes the test correctly validate the enforcement of abstract methods in ABCs.
(cherry picked from commit 5be872350d)
Co-authored-by: Guilherme Leobas <guilhermeleobas@gmail.com>
Both modules should use the Python implementation in that case.
(cherry picked from commit 6620ef0ff6)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* Merge existing tests test_repr_str and test_to_str.
* Add more tests for non-printable and non-ASCII bytes.
* Add tests for special escape sequences ('\t\n\r').
* Add tests for slashes.
* Add more tests for quotes.
* Add tests for subclasses.
* Add test for non-ASCII class name.
* Only apply @check_bytes_warnings for str() tests.
(cherry picked from commit 0dbbf61cc2)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* Don't fail trying to parse weird patterns.
* Don't fail trying to decode non-UTF-8 "robots.txt" files.
* No longer ignore trailing "?" in patterns and URLs.
* Distinguish raw special characters "?", "=" and "&" from the
percent-encoded ones.
* Remove tests that do nothing.
(cherry picked from commit cb7ef18d70)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
The OpenSSL and HACL* implementations of HMAC single-shot
digest computation reject keys whose length exceeds `INT_MAX`
and `UINT32_MAX` respectively. The OpenSSL implementation
also rejects messages whose length exceed `INT_MAX`.
Using such keys in `hmac.digest` previously raised an `OverflowError`
which was propagated to the caller. This commit mitigates this case by
making `hmac.digest` fall back to HMAC's pure Python implementation
which accepts arbitrary large keys or messages.
This change only affects the top-level entrypoint `hmac.digest`, leaving
`_hashopenssl.hmac_digest` and `_hmac.compute_digest` untouched.
(cherry picked from commit d658b9053b)
Add immutable=1 flag for read-only SQLite access to avoid WAL/SHM errors on readonly DB.
(cherry picked from commit c0ae92b7c0)
Co-authored-by: General_K1ng <generak1ng0@gmail.com>
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
gh-137706: make typing._is_unpacked_typevartuple check for `True` instead of truthy (GH-137712)
(cherry picked from commit 7e652f402f)
Co-authored-by: David Ellis <ducksual@gmail.com>
gh-138558: Improve handling of Template annotations in annotationlib (GH-139072)
(cherry picked from commit 6ec058a1f7)
Co-authored-by: Dave Peck <davepeck@gmail.com>
gh-138813: Fix mutable default kwargs={} in multiprocessing BaseProcess and DummyProcess to use None (GH-138814)
* gh-138813: Default `BaseProcess` `kwargs` to `None` (GH-138814)
Set `BaseProcess.__init__(..., kwargs=None)` and initialize `kwargs` with
`dict(kwargs) if kwargs else {}`. This avoids a shared mutable default and
matches threading.Thread behavior.
* DummyProcess kwargs=None (which threading.Thread accepts properly)
(cherry picked from commit 5a15e73789)
Co-authored-by: Denis Sergeev <newjimbatler00@gmail.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
gh-126631: gh-137996: fix pre-loading of `__main__` (GH-135295)
gh-126631: gh-137996: fix pre-loading of `__main__`
The `main_path` parameter was renamed `init_main_from_name`, update the
forkserver code accordingly. This was leading to slower startup times when people
were trying to preload the main module.
---------
(cherry picked from commit 0912b3a6db)
Co-authored-by: Duane Griffin <duaneg@dghda.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
Support records with "zip64 extensible data" if there are no bytes
prepended to the ZIP file.
(cherry picked from commit 162997bb70)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
