gh-59000: Fix pdb breakpoint resolution for class methods when module not imported (GH-141949)
(cherry picked from commit 5e58548ebe)
Co-authored-by: LloydZ <35182391+cocolato@users.noreply.github.com>
The GC for the free threaded build would get slower with each collection due
to effectively double counting objects freed by the GC.
(cherry picked from commit eb892868b3)
Co-authored-by: Kevin Wang <kevmo314@gmail.com>
gh-141004: Document descriptor and dict proxy type objects (GH-141803)
(cherry picked from commit 52f9b5f580)
Co-authored-by: Yashraj <yashrajpala8@gmail.com>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
Reading a specially prepared small Plist file could cause OOM because file's
read(n) preallocates a bytes object for reading the specified amount of
data. Now plistlib reads large data by chunks, therefore the upper limit of
consumed memory is proportional to the size of the input file.
(cherry picked from commit 694922cf40)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
The CGI server on Windows could consume the amount of memory specified
in the Content-Length header of the request even if the client does not
send such much data. Now it reads the POST request body by chunks,
so that the memory consumption is proportional to the amount of sent
data.
gh-141473: Document not calling Popen.wait after Popen.communicate times out. (GH-142101)
Document not calling Popen.wait after Popen.communicate times out.
Closes GH-141473
(cherry picked from commit 3e2c557493)
Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
gh-142067: Add missing default value for param in `multiprocessing.Pipe`'s doc (GH-142109)
(cherry picked from commit 229ed3dd1f)
Co-authored-by: flovent <flbven@protonmail.com>
GH-141808: Do not generate the jit stencils twice in case of PGO builds on Windows. (GH-142043)
* do not build the jit stencils twice in case of PGO builds on Windows
* blurb it
(cherry picked from commit f2ca1581ca)
Co-authored-by: Chris Eibl <138194463+chris-eibl@users.noreply.github.com>
GH-91636: Clear weakrefs created by finalizers. (GH-136401)
Weakrefs to unreachable garbage that are created during running of
finalizers need to be cleared. This avoids exposing objects that
have `tp_clear` called on them to Python-level code.
(cherry picked from commit b6b99bf7f1)
Co-authored-by: Neil Schemenauer <nas-github@arctrix.com>
Docs: multi-disk ZIP files -> multipart ZIP files (GH-141962)
* Remove some old currentlies
* multi-disk -> multipart
* Sentence case headings
(cherry picked from commit 890fe5aad5)
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
gh-141994: Warn of XXE vulnerability in documentation of SAX feature `xml.sax.handler.feature_external_ges` (GH-141996)
Doc/library/xml.sax.handler.rst: Warn of XXE with feature_external_ges
Related to commit baa9f33897
(cherry picked from commit 440bcb9456)
Co-authored-by: Sebastian Pipping <sebastian@pipping.org>
gh-74389: gh-70560: subprocess.Popen.communicate() now ignores stdin.flush error when closed (GH-142061)
gh-70560: gh-74389: subprocess.Popen.communicate() now ignores stdin.flush error when closed
with a unittest and news entry.
(cherry picked from commit 923056b2d4)
Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
gh-87512: Fix `subprocess` using `timeout=` on Windows blocking with a large `input=` (GH-142058)
On Windows, Popen._communicate() previously wrote to stdin synchronously, which could block indefinitely if the subprocess didn't consume input= quickly and the pipe buffer filled up. The timeout= parameter was only checked when joining the reader threads, not during the stdin write.
This change moves the Windows stdin writing to a background thread (similar to how stdout/stderr are read in threads), allowing the timeout to be properly enforced. If timeout expires, TimeoutExpired is raised promptly and the writer thread continues in the background. Subsequent calls to communicate() will join the existing writer thread.
Adds test_communicate_timeout_large_input to verify that TimeoutExpired is raised promptly when communicate() is called with large input and a timeout, even when the subprocess doesn't consume stdin quickly.
This test already passed on POSIX (where select() is used) but failed on Windows where the stdin write blocks without checking the timeout.
(cherry picked from commit 5b1862bdd8)
Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
gh-141473: Fix subprocess.Popen.communicate to send input to stdin upon a subsequent post-timeout call (GH-141477)
* gh-141473: Fix subprocess.Popen.communicate to send input to stdin
* Docs: Clarify that `input` is one time only on `communicate()`
* NEWS entry
* Add a regression test.
---------
(cherry picked from commit 526d7a8bb4)
Co-authored-by: Artur Jamro <artur.jamro@gmail.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
GH-134453: Fix subprocess memoryview input handling on POSIX (GH-134949)
Fix inconsistent subprocess.Popen.communicate() behavior between Windows
and POSIX when using memoryview objects with non-byte elements as input.
On POSIX systems, the code was incorrectly comparing bytes written against
element count instead of byte count, causing data truncation for large
inputs with non-byte element types.
Changes:
- Cast memoryview inputs to byte view when input is already a memoryview
- Fix progress tracking to use len(input_view) instead of len(self._input)
- Add comprehensive test coverage for memoryview inputs
🤖 Generated with [Claude Code](https://claude.ai/code)
* old-man-yells-at-ReST
* Update 2025-05-30-18-37-44.gh-issue-134453.kxkA-o.rst
* assertIsNone review feedback
* fix memoryview_nonbytes test to fail without our fix on main, and have a nicer error.
Thanks to Peter Bierma @ZeroIntensity for the code review.
(cherry picked from commit cc6bc4c97f)
Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
gh-116008: Detect freed thread state in faulthandler (GH-141988)
Add _PyMem_IsULongFreed() function.
(cherry picked from commit d5d9e89dde)
Co-authored-by: Victor Stinner <vstinner@python.org>
* gh-125434: Display thread name in faulthandler on Windows (#140675)
(cherry picked from commit 313145eab5)
* gh-125434: Fix non-ASCII thread names in faulthandler on Windows (#140700)
Add _Py_DumpWideString() function to dump a wide string as ASCII. It
supports surrogate pairs.
Replace _Py_EncodeLocaleRaw() with _Py_DumpWideString()
in write_thread_name().
(cherry picked from commit 80f20f58b2)
Added atomic operations to `scanner_begin()` and `scanner_end()` to prevent
race conditions on the `executing` flag in free-threaded builds. Also added
tests for concurrent usage of the `re` module.
Without the atomic operations, `test_scanner_concurrent_access()` triggers
`assert(self->executing)` failures, or a thread sanitizer run emits errors.
(cherry picked from commit bc9e63dd9d)
Co-authored-by: Alper <alperyoney@fb.com>
Only raises if the stack pointer is both below the limit *and* above the stack base.
This prevents false positives for user-space threads, as the stack pointer will be outside those bounds
if the stack has been swapped.
Cherry-picked from commit c25a070759
Co-authored-by: Mark Shannon <mark@hotpy.org>
Co-authored-by: Rok Mandeljc <rok.mandeljc@gmail.com>
Co-authored-by: Mark Shannon <mark@hotpy.org>
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-141907: Better handle support for SHA3 for test_hashlib (GH-141908)
* test_hashlib: better handle support for SHA3
It's possible that the SSL library supports only SHA3 algo and doesn't
have SHAKE one.
The current test wrongly detect this and set both HASH and HASHXOF to
None expecting to have the extra SHA3 attributes present but this should
only be true for SHAKE algo.
To better handle this, move the HASH condition to a dedicated try-expect
condition and check if HASHXOF is None in the relevant code effectively
checking if SHA3 is supported by the SSL library but SHAKE algo needs to
use the sha3module one.
---------
(cherry picked from commit fee7782650)
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Co-authored-by: Christian Marangi <ansuelsmth@gmail.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
gh-141004: Document stack effect C APIs (GH-141843)
(cherry picked from commit e1f1df4082)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
Most of the `self.assertTrue(self.called)` checks are flaky because
the worker threads may sometimes finish before the main thread calls
`self.during_threads()`.
(cherry picked from commit 71126ab19c)
Co-authored-by: Sam Gross <colesbury@gmail.com>
Co-authored-by: Adorilson Bezerra <adorilson@gmail.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
gh-135335: Simplify preload regression test using __main__ (GH-138686)
Simplify preload regression test using `__main__`
With the fix for gh-126631 `__main__` modules can be preloaded and the regression
test for gh-135335 can be simplified to just use a self-contained script rather
than requiring a module.
Note this assumes and implicitly tests that `__main__` is preloaded by default.
(cherry picked from commit 425f24e4fa)
Co-authored-by: Duane Griffin <duaneg@dghda.com>
* [3.14] GH-139914: Handle stack growth direction on HPPA (GH-140028)
Adapted from a patch for Python 3.14 submitted to the Debian BTS by John David Anglin https://bugs.debian.org/1105111#20
* Forgot to update test_call
* WTF typo
If we overflowed the global version counter (i.e., after 2*24 calls to
`_PyMonitoring_SetEvents`), we bailed out after setting global monitoring
events but before instrumenting code objects, which led to assertion errors
later on.
Also add a `time.sleep()` to `test_free_threading.test_monitoring` to avoid
overflowing the global version counter.
(cherry picked from commit e457d60daa)
Co-authored-by: Sam Gross <colesbury@gmail.com>
gh-98552: Revert (unneeded, already done elsewhere) "flush std streams in the multiprocessing forkserver before fork (GH-141849)" (GH-141871)
Revert (unneeded, already done elsewhere) "gh-98552: flush std streams in the multiprocessing forkserver before fork (GH-141849)"
This reverts commit 58badb1711.
(cherry picked from commit 614a28b3da)
Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
gh-98552: flush std streams in the multiprocessing forkserver before fork (GH-141849)
* flush std streams in the multiprocessing forkserver before fork
* NEWS
(cherry picked from commit 58badb1711)
Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
gh-141801: Use accessors for ASN1_STRING fields in libssl (GH-141802)
* gh-141801: Use accessors for ASN1_STRING fields
While ASN1_STRING is currently exposed, it is better to use the
accessors. See https://github.com/openssl/openssl/issues/29117 where, if
the type were opaque, OpenSSL's X509 objects could be much more
memory-efficient.
* Update Modules/_ssl.c
* Update Modules/_ssl.c
---------
(cherry picked from commit c41fce08a5)
Co-authored-by: David Benjamin <davidben@davidben.net>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Added a critical section to protect the states of `ReaderObj` and `WriterObj` in the free-threading build. Without the critical sections, both new free-threading tests were crashing.
(cherry picked from commit fb26d9c2ef)
Co-authored-by: Alper <alperyoney@fb.com>
gh-141784: Fix _remote_debugging_module.c compilation on 32-bit Linux (#141796)
Include Python.h before system headers to make sure that
_remote_debugging_module.c uses the same types (ABI) than Python.
(cherry picked from commit 722f4bb8c9)
The 5th element of the __reduce__ tuple should be an iterator.
(cherry picked from commit 41b9ad5b38)
Co-authored-by: Arseny Boykov <36469655+Bobronium@users.noreply.github.com>
gh-141004: Document `Py_LOCAL` and `Py_LOCAL_INLINE` (GH-141725)
(cherry picked from commit 3149d64c93)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
The dataclasses `__init__` function is generated dynamically by a call to `exec()` and so doesn't have deferred reference counting enabled. Enable deferred reference counting on functions when assigned as an attribute to type objects to avoid reference count contention when creating dataclass instances.
(cherry picked from commit ce79154176)
Co-authored-by: Edward Xu <xuxiangad@gmail.com>
gh-141570: can_colorize: Expect fileno() to raise OSError, as documented (GH-141716)
In Fedora, we've been given a slightly incomplete reproducer for a problematic
Python 3.14 color-related change in argparse that leads to an exception when
Python is used from mod_wsgi: https://bugzilla.redhat.com/2414940
mod_wsgi replaces sys.stdout with a custom object that raises OSError on .fileno():
8460dbfcd5/src/server/wsgi_logger.c (L434-L440)
This should be supported, as the documentation of fileno explicitly says:
> An OSError is raised if the IO object does not use a file descriptor.
https://docs.python.org/3.14/library/io.html#io.IOBase.fileno
The previously expected exception inherits from OSError,
so it is still expected.
Fixes https://github.com/python/cpython/issues/141570
(cherry picked from commit 96f496a949)
Co-authored-by: Miro Hrončok <miro@hroncok.cz>
Co-authored-by: Cody Maloney <cmaloney@users.noreply.github.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
Modifies the iOS XCframework to include a lib folder for each slice that
contains a symlinked version of the libPython dynamic library.
(cherry picked from commit 7b0b708675)
Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>
Add ruff configuration to run over the Apple build tooling and testbed script.
(cherry picked from commit 17636ba48c)
Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>
(cherry picked from commit 630cd37bfa)
Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
gh-136057: Allow step and next to step over for loops (GH-136160)
(cherry picked from commit 8be3b2f479)
Co-authored-by: Tian Gao <gaogaotiantian@hotmail.com>
This splits the OS API specific functionality to get the number of threads out
from the fallback Python method and warning raising code itself. This way the
OS APIs can be queried before we've run
`os.register_at_fork(after_in_parent=...)` registered functions which
themselves may (re)start threads that would otherwise be detected.
This is best effort. If the OS APIs are either unavailable or fail, the
warning generating code still falls back to looking at the Python threading
state after the CPython interpreter world has been restarted and the
after_in_parent calls have been made. The common case for most Linux and macOS
environments should work today.
This also lines up with the existing TODO refactoring, we may choose to expose
this API to get the number of OS threads in the `os` module in the future.
Note: This is a simplified backport that maintains the void return type
for warn_about_fork_with_threads() and keeps PyErr_Clear() in the warning path,
as the error handling changes from fd8f42d3d1 are not needed in 3.14.
gh-141004: Document the `PyPickleBuffer_*` C API (GH-141630)
(cherry picked from commit e33afa7ddb)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
This fixes an assertion error when the new computed start is not an integer.
(cherry picked from commit 10bec7c1eb)
Co-authored-by: Sergey Miryanov <sergey.miryanov@gmail.com>
gh-140938: Raise ValueError for infinite inputs to stdev/pstdev (GH-141531)
Raise ValueError for infinite inputs to stdev/pstdev
(cherry picked from commit f0a8bc737a)
---
Co-authored-by: Raymond Hettinger <rhettinger@users.noreply.github.com>
Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
gh-137969: Fix double evaluation of `ForwardRef`s which rely on globals (GH-140974)
(cherry picked from commit 209eaff68c)
Co-authored-by: dr-carlos <77367421+dr-carlos@users.noreply.github.com>
gh-141004: Document C APIs for dictionary keys, values, and items (GH-141009)
(cherry picked from commit f72768f30e)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Split existing tests on smaller methods and move them to separate class.
Rename variable "content" to "it".
Use BytesIO instead of StringIO.
Add few more tests.
(cherry picked from commit 2fbd396666)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-140260: fix data race in `_struct` module initialization with subinterpreters (GH-140909)
(cherry picked from commit 63548b3699)
Co-authored-by: Shamil <ashm.tech@proton.me>
Xcode concatenates the test argument array, losing quoting in the process.
(cherry picked from commit 558936bec1)
Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>
The endpoint used for demonstrating reading URLs is no longer
stable. This change substitutes a target over which we have more
control.
(cherry picked from commit fbcac79951)
Co-authored-by: Bob Kline <bkline@users.noreply.github.com>
gh-132657: add regression test for `PySet_Contains` with unhashable type (GH-141411)
(cherry picked from commit 2ac738d325)
Co-authored-by: M Bussonnier <bussonniermatthias@gmail.com>
Fix error in assertion which causes failure if pos is equal to PY_SSIZE_T_MAX.
Fix undefined behavior in read() and readinto() if pos is larger that the size
of the underlying buffer.
(cherry picked from commit 7d54374f9c)
Co-authored-by: Cody Maloney <cmaloney@users.noreply.github.com>
gh-138621: Increase test coverage for csv.DictReader and csv.Sniffer (GH-138622)
* Increase test coverage for csv.DictReader and csv.Sniffer
Previously there were no tests for the DictReader fieldnames
setter, the case where a StopIteration was encountered when trying
to determine the fieldnames from the content or the case where
Sniffer could not find a delimiter.
* Revert whitespace change to comment
* Add a test that csv.Sniffer.has_header checks up to 20 rows
* Replace name and age with letter and offset
* Address review comment
---------
(cherry picked from commit 0e88be6f55)
Co-authored-by: Jan-Eric Nitschke <47750513+JanEricNitschke@users.noreply.github.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
gh-137952: update `csv.Sniffer().has_header()` docs to describe the actual off-by-onish behavior (GH-137953)
* checks 21, not 20
* Say "header" instead of "first row" to disambiguate per review.
---------
(cherry picked from commit 0d7b48a8f5)
Co-authored-by: Maurycy Pawłowski-Wieroński <maurycy@maurycy.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
gh-141004: Document `PyFile_OpenCode` and `PyFile_OpenCodeObject` (GH-141413)
(cherry picked from commit 2befce86e6)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
gh-140193: Forward port test_exec_set_nomemory_hang from 3.13 (GH-140187)
* chore: test_exec_set_nomemory_hang from 3.13
* fix: apply comments
* Update Lib/test/test_exceptions.py
* Update Lib/test/test_exceptions.py
* fix: windows too long name 60 times is enough
---------
(cherry picked from commit 0f09bda643)
Signed-off-by: yihong0618 <zouzou0208@gmail.com>
Co-authored-by: yihong <zouzou0208@gmail.com>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
gh-139533: fix refs to code without proper markups on turtledemo doc (GH-139534)
(cherry picked from commit c903d76832)
gh-139533: fix refs to code without proper markups on turtledemo documentation
Co-authored-by: Marco Barbosa <aureliobarbosa@gmail.com>
gh-140379: add hyperlinks to list and set (GH-140399)
add hyperlinks to list and set
(cherry picked from commit 92741c59f8)
Co-authored-by: Krishna Chaitanya <141550576+XChaitanyaX@users.noreply.github.com>
gh-140578: Doc: Remove sencence implying that concurrent.futures.ThreadPoolExecutor does not exist (GH-140689)
* Doc: Remove sencence implying that concurrent.futures.ThreadPoolExecutor does not exist
Closes GH-140578
* Add NEWS.d entry for gh-140578
---------
(cherry picked from commit 46b58e1bb9)
Co-authored-by: Louis <paternal@users.noreply.github.com>
Co-authored-by: Louis Paternault <spalax@gresille.org>
gh-141174: Improve `annotationlib._Stringifier` test coverage (GH-141220)
* Test `_Stringifier.__convert_to_ast()` for containers
* Test partial evaluation of `ForwardRef`s in `_Stringifier`
(cherry picked from commit 55ea132313)
Co-authored-by: dr-carlos <77367421+dr-carlos@users.noreply.github.com>
gh-141174: Improve `ForwardRef` test coverage (GH-141175)
* Test unsupported format in ForwardRef.evaluate()
* Test dict cell closure with multiple variables
* Test all options in ForwardRef repr
* Test ForwardRef being a final class
(cherry picked from commit 19b573025e)
Co-authored-by: dr-carlos <77367421+dr-carlos@users.noreply.github.com>
gh-141174: Improve `annotationlib.call_annotate_function()` test coverage (GH-141176)
* Test passing unsupported Format values to call_annotate_function()
* Test call_evaluate_function with fake globals that raise errors
* Fix typo and comparison in test_fake_global_evaluation
(cherry picked from commit 1110e8f6a4)
Co-authored-by: dr-carlos <77367421+dr-carlos@users.noreply.github.com>
gh-141174: Improve `annotationlib.get_annotations()` test coverage (GH-141286)
* Test `get_annotations(format=Format.VALUE)` for stringized annotations on custom objects
* Test `get_annotations(format=Format.VALUE)` for stringized annotations on wrapped partial functions
* Update test_stringized_annotations_with_star_unpack() to actually test stringized annotations
* Test __annotate__ returning a non-dict
* Test passing globals and locals to stringized `get_annotations()`
(cherry picked from commit 06b62282c7)
Co-authored-by: dr-carlos <77367421+dr-carlos@users.noreply.github.com>
(cherry picked from commit d2ce6d708a)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Emma Smith <emma@emmatyping.dev>
Co-authored-by: Author: Terry Jan Reedy <tjreedy@udel.edu>
Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Karina Souza <97332018+KarinaS0uza@users.noreply.github.com>
Co-authored-by: Joseph Anthony Pasquale Holsten <joseph@josephholsten.com>
gh-62480: De-personalize "Partial mocking" section in `unittest.mock` examples (GH-141321)
* Refine some wording in unittest partial mock doc
Some of the descriptions were addressed in first person,
but have now been changed to address the user reading the documentation instead.
(cherry picked from commit b618731781)
Co-authored-by: KarnbirKhera <166065758+KarnbirKhera@users.noreply.github.com>
Co-authored-by: C.A.M. Gerlach <CAM.Gerlach@Gerlach.CAM>
gh-140980: document `SET_FUNCTION_ATTRIBUTE` flag for `annotate` function (GH-141306)
(cherry picked from commit 6f20ea1e2d)
Co-authored-by: Lakshya Upadhyaya <lakshya.upadhyaya05@gmail.com>
gh-140530: fix a reference leak in an error path for `raise exc from cause` (GH-140908)
Fix a reference leak in `raise E from T` when `T` is an exception
subtype for which `T.__new__` does not return an exception instance.
(cherry picked from commit 0c77e7c23b)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
gh-141004: document `curses` C API (GH-141254)
(cherry picked from commit dbe40904a7)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
gh-100218: correctly set `errno` when `socket.if_{nametoindex,indextoname}` raise `OSError` (GH-140905)
Previously, socket.if_nametoindex() and socket.if_indextoname() could raise
an `OSError` with a `None` errno. Now, the errno from libc is propagated.
(cherry picked from commit 3ce2d57b2f)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
gh-141004: Document the `PyDoc_VAR` macro (GH-141263)
(cherry picked from commit 545299773b)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
gh-141004: Document `PyErr_ProgramTextObject` and `PyErr_ProgramText` (GH-141250)
(cherry picked from commit be1c72a45d)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
gh-141246: Link to correct Windows docs in `time.sleep()` doc (GH-141248)
(cherry picked from commit 6545a4e8f8)
Co-authored-by: 莯凛 <1348292515@qq.com>
* Refer to bytes objects or bytes-like objects instead of strings.
* Remove backticks -- they do not have effect on formatting.
* Re-wrap lines to ensure the pydoc output fits in 80 columns.
(cherry picked from commit 610377056b)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* Document that ensure_ascii=True forces escaping not only non-ASCII, but also
non-printable characters (the only affected ASCII character is U+007F).
* Ensure that the help output for the json module does not exceed 80
columns (except one long line in an example and generated lines).
* Add more tests.
(cherry picked from commit 7e90bac3cc)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Update NaNs handling description in `c-api/float.rst` (GH-141179)
Clarified the behavior of NaNs on IEEE platforms regarding signaling and quiet NaNs.
(cherry picked from commit 920286d6b2)
Co-authored-by: W. H. Wang <mattwang44@gmail.com>
gh-139246: zero-width word paste can be wrong in default repl (GH-139254)
(cherry picked from commit 4e6dba0ef7)
Signed-off-by: yihong0618 <zouzou0208@gmail.com>
Co-authored-by: yihong <zouzou0208@gmail.com>
Co-authored-by: grayjk <grayjk@gmail.com>
gh-140734: fix off-by-one error when comparing to `_SUN_PATH_MAX` (GH-140903)
The limit includes a NULL terminator.
(cherry picked from commit 9a19900673)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
gh-141004: Document `Py_GetRecursionLimit` and `Py_SetRecursionLimit` (GH-141151)
(cherry picked from commit 0b260305d3)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
gh-141004: Document `PyLong_FromPid` and `PyLong_AsPid` (GH-141028)
(cherry picked from commit bcc524f82d)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-141004: Document built-in iterator types in the C API (GH-141006)
Adds documentation for each of the following:
- PyEnum_Type
- PyFilter_Type
- PyMap_Type
- PyReversed_Type
- PyZip_Type
In addition, PyRange_Type and PyRange_Check are also documented.
(cherry picked from commit 1697cb5710)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Minor fixes to `idle.rst` and regenerate `help.html` (GH-140037)
(cherry picked from commit 4e6e208be9)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
gh-140569: recommend the new REPL in the asyncio REPL docs (GH-140570)
(cherry picked from commit 8822166200)
Co-authored-by: Bartosz Sławecki <bartosz@ilikepython.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
gh-118516: clarify that subprocess are automatically killed if transport gets garbage collected (GH-140997)
(cherry picked from commit 101c9c0a21)
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
gh-141004: Document `Py_RETURN_NAN` and `Py_RETURN_INF` (GH-141029)
(cherry picked from commit 5b02c6e920)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
Corrected a typo in a return value docstring.
(cherry picked from commit 335d83ec04)
Co-authored-by: Lê Nam Khánh <55955273+khanhkhanhlele@users.noreply.github.com>
Fix compiler warnings in remote debugging (#141060)
Example of fixed warnings on 32-bit Windows:
Python\remote_debugging.c(24,53): warning C4244: 'function':
conversion from 'uint64_t' to 'uintptr_t', possible loss of data
Modules\_remote_debugging_module.c(789,44): warning C4244:
'function': conversion from 'uint64_t' to 'size_t', possible loss
of data
(cherry picked from commit f458ac01ba)
Fix a compiler warning in _randommodule.c (GH-141058)
The test just before the cast ensures that the cast cannot overflow.
Fix the warning on 32-bit Windows:
Modules\_randommodule.c(525,28): warning C4244: '=': conversion
from 'uint64_t' to 'Py_ssize_t', possible loss of data
(cherry picked from commit 4ac16dd109)
Co-authored-by: Victor Stinner <vstinner@python.org>
Clarify that:
- it takes parsing for an attack
- that some doors are closed by default
- only Expat version 2.7.2 has all the fixes
- use of the bundle depends on configuration
(cherry picked from commit baa9f33897)
Co-authored-by: Sebastian Pipping <sebastian@pipping.org>
gh-141007: update string module source code link (GH-141008)
In 3.14, the former string.py became `__init__.py` within a new `string` directory that also contains a new submodule file, `templatelib.py`.
(cherry picked from commit fa02422918)
Co-authored-by: alex <30386655+alexomics@users.noreply.github.com>
Update selected RFC 2822 references to RFC 5322
RFC 2822 was obsoleted by RFC 5322 in 2008. This updates references
to use the current standard in documentation, docstrings, and comments.
It preserves RFC 2822 references in legacy API components to maintain their
historical context.
RFC 822 → RFC 2822 → RFC 5322 progression is explained where relevant.
In some places specific sections of RFC are referenced where it seems helpful.
Scout rule was applied in some places and RFC mentions format was
normalized in doc strings and comments.
(cherry picked from commit ce1bb85d28)
gh-140513: Fail to compile if `_Py_TAIL_CALL_INTERP` is set but `preserve_none` and `musttail` do not exist. (GH-140548)
(cherry picked from commit 2f60b8f02f)
Co-authored-by: Krishna Chaitanya <141550576+XChaitanyaX@users.noreply.github.com>
Docs: Fix typo in `email.headerregistry.rst` (GH-140965)
Fix missing 'Header' suffix on header class name in `email.headerregistry.rst`
(cherry picked from commit 97d8dda980)
Co-authored-by: Guo Ci <zguoci@gmail.com>
Document that returning `sys.monitoring.DISABLE` in response to a global event raises `ValueError` (GH-140726)
(cherry picked from commit 8a7dbb7a68)
Co-authored-by: Brett Cannon <brett@python.org>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
It was too lenient and allowed MARK opcodes with too large value.
(cherry picked from commit 1326d2a808)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-140815: Fix faulthandler for invalid/freed frame (GH-140921)
faulthandler now detects if a frame or a code object is invalid or
freed.
Add helper functions:
* _PyCode_SafeAddr2Line()
* _PyFrame_SafeGetCode()
* _PyFrame_SafeGetLasti()
_PyMem_IsPtrFreed() now detects pointers in [-0xff, 0xff] range
as freed.
(cherry picked from commit a84181c31b)
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-140348: Fix using | on unusual objects plus Unions (GH-140383)
(cherry picked from commit 7a9437d986)
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
gh-135307: Fix email error when policy max_line_length is set to 0 or None (GH-135367)
(cherry picked from commit 6d45cd8dbb)
RDM: Like the change made in a earlier PR to the folder, we can/must use 'maxlen' as a stand in for 'unlimited' when computing line lengths when max_line_length is 0 or None; otherwise the computation results in a traceback.
Co-authored-by: Jiucheng(Oliver) <git.jiucheng@gmail.com>
* [3.14] gh-90949: add Expat API to prevent XML deadly allocations (CVE-2025-59375) (GH-139234)
Expose the XML Expat 2.7.2 mitigation APIs to disallow use of
disproportional amounts of dynamic memory from within an Expat
parser (see CVE-2025-59375 for instance).
The exposed APIs are available on Expat parsers, that is,
parsers created by `xml.parsers.expat.ParserCreate()`, as:
- `parser.SetAllocTrackerActivationThreshold(threshold)`, and
- `parser.SetAllocTrackerMaximumAmplification(max_factor)`.
(cherry picked from commit f04bea44c3)
(cherry picked from commit 68a1778b77)
gh-140312: Set lltrace on JIT debug builds (GH-140313)
(cherry picked from commit f701f98052)
Co-authored-by: Ken Jin <kenjin@python.org>
Co-authored-by: Mark Shannon <mark@hotpy.org>
* the "plaintext" element
* the RAWTEXT elements "xmp", "iframe", "noembed" and "noframes"
* optionally RAWTEXT (if scripting=True) element "noscript"
(cherry picked from commit a17c57eee5)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Make printing log lines to the terminal a little cleaner when building WASI (GH-140772)
(cherry picked from commit abd19eddee)
Co-authored-by: Brett Cannon <brett@python.org>
GH-140768: Warn when the WASI SDK version doesn't match the supported version (GH-140769)
(cherry picked from commit 95a3564869)
Co-authored-by: Brett Cannon <brett@python.org>
ast.parse() no longer emits syntax warnings for
return/break/continue in finally (see PEP-765) -- they are only
emitted during compilation.
(cherry picked from commit ad0a3f733b)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Guo Ci <zguoci@gmail.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
gh-140082: Forward colorizing from libregrtest to unittest (GH-140083)
libregrtest redirects test output to a file as part of its operation.
When `unittest` checks to see if it should colorize with
`isatty(sys.stdout)` that fails resulting in no colorizing of the
unittest output.
Update `libregrtest` to set `FORCE_COLOR=1` when redirecting test output
so that unittest will do color printing.
(cherry picked from commit 6ff62ac4fb)
Co-authored-by: Cody Maloney <cmaloney@users.noreply.github.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-140228: Avoid making unnecessary syscalls in linecache for frozen modules (GH-140377)
(cherry picked from commit c41f84ff61)
Co-authored-by: tconley1428 <tconley1428@gmail.com>
gh-140576: Fixed crash produced by lexer in case of dedented zero byte (GH-140583)
(cherry picked from commit 8706167474)
Co-authored-by: Mikhail Efimov <efimov.mikhail@gmail.com>
gh-140702: Log color and GHA env vars in test.pythoninfo (GH-140747)
(cherry picked from commit 376559bf54)
Co-authored-by: Victor Stinner <vstinner@python.org>
* [3.14] gh-140607: Validate returned byte count in RawIOBase.read (GH-140611)
While `RawIOBase.readinto` should return a count of bytes between 0 and
the length of the given buffer, it is not required to. Add validation
inside RawIOBase.read() that the returned byte count is valid.
(cherry picked from commit 0f0a362768)
Co-authored-by: Cody Maloney <cmaloney@users.noreply.github.com>
Co-authored-by: Shamil <ashm.tech@proton.me>
Co-authored-by: Victor Stinner <vstinner@python.org>
* fixup: Use older attribute name
---------
Co-authored-by: Shamil <ashm.tech@proton.me>
Co-authored-by: Victor Stinner <vstinner@python.org>
Exposes the GITHUB_ACTIONS environment variable to iOS simulator test runs, and
uses this variable to skip a Unix Datagram socketserver test that is unreliable
in the iOS GitHub Actions environment.
(cherry picked from commit 9f8d005d29)
Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
gh-140657: Don't rerun test_import single phase init test (GH-140712)
test_basic_multiple_interpreters_main_no_reset() leaks memory:
import_in_subinterp() is called with postcleanup=False.
(cherry picked from commit c6d4c79c9a)
Co-authored-by: Victor Stinner <vstinner@python.org>
Adds a CI configuration to test iOS builds on every build.
(cherry picked from commit f4e6370582)
Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Ken Jin <kenjin@python.org>
Co-authored-by: devdanzin <74280297+devdanzin@users.noreply.github.com>
Co-authored-by: Chris Eibl <138194463+chris-eibl@users.noreply.github.com>
gh-140487: Fix Py_RETURN_NOTIMPLEMENTED in limited C API 3.11 (GH-140636)
Py_RETURN_NONE, Py_RETURN_TRUE and Py_RETURN_FALSE have already been
fixed by commit 9258f3da91 (issue gh-134989).
(cherry picked from commit c636477523)
Co-authored-by: Victor Stinner <vstinner@python.org>
Remove dead stores to 'size' in UTF-8 decoder (unicodeobject.c) (GH-140637)
(cherry picked from commit 7d70a147f5)
Co-authored-by: Shamil <ashm.tech@proton.me>
[3.14] gh-140593: Fix a memory leak in function `my_ElementDeclHandler` of `pyexpat` (GH-140602)
Ensure that the memory allocated for the content model
passed to `my_ElementDeclHandler` is freed in all error
paths.
(cherry picked from commit e34a5e3304)
gh-133346: make `_colorize.Argparse` kw-only constructible (GH-140620)
Other themes are kw-only constructible.
(cherry picked from commit 387ac2d2f3)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
gh-140482: Preserve and restore `stty echo` as a test environment (GH-140519)
(cherry picked from commit b3c713a0af)
gh-140482: Restore `stty echo` as a test environment
Co-authored-by: Barry Warsaw <barry@python.org>
Use a `PyEvent` instead of a lock to fix a race on the free-threaded build.
(cherry picked from commit 9b451fb457)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
The `make_gen()` function creates and tracks generator/coro objects, but
doesn't fully initialize all the fields. At a minimum, we need to
initialize all the fields that may be accessed by gen_traverse because
the call to `compute_cr_origin()` can trigger a GC.
(cherry picked from commit 574405c19e)
Co-authored-by: Sam Gross <colesbury@gmail.com>
gh-138774: use `value` to `ast.unparse` code when `str` is `None` in `ast.Interpolation` (GH-139415)
(cherry picked from commit 4d0849426f)
Co-authored-by: George Ogden <38294960+George-Ogden@users.noreply.github.com>
* Count number of actually tracked objects, instead of trackable objects. This ensures that untracking tuples has the desired effect of reducing GC overhead
* Do not track most untrackable tuples during creation. This prevents large numbers of small tuples causing execessive GCs.
gh-130317: Fix SNaN broken tests on HP PA RISC (GH-140452)
While looking at GH-140028, I found some unrelated test regressions in the
3.14 cycle. These seem to all come from GH-130317. From what I can tell,
that made Python more correct than it was before. According to [0], HP PA
RISC uses 1 for SNaN and thus a 0 for QNaN.
[0]: https://grouper.ieee.org/groups/1788/email/msg03272.html
(cherry picked from commit 76fea5596c)
Co-authored-by: Stefano Rivera <stefano@rivera.za.net>
Currently, there are a few places where tp_mro could theoretically
become NULL, but do not in practice. This commit adds defensive checks for
NULL values to ensure that any changes do not introduce a crash and that
state invariants are upheld.
The assertions added in this commit are all instances where a NULL value would get passed to something not expecting a NULL, so it is better to catch an assertion failure than crash later on.
There are a few cases where it is OK for the return of lookup_tp_mro to be NULL, such as when passed to is_subtype_with_mro, which handles this explicitly.
(cherry picked from commit a8edca62fc)
Co-authored-by: Emma Smith <emma@emmatyping.dev>
* Link to compression setting constants from compression functions
* De-duplicate descriptions of the constants
(cherry picked from commit 091e8513bb)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-138764: annotationlib: Make `call_annotate_function` fallback to using `VALUE` annotations if both the requested format and `VALUE_WITH_FAKE_GLOBALS` are not implemented (GH-138803)
(cherry picked from commit 95c257e2e6)
Co-authored-by: David Ellis <ducksual@gmail.com>
gh-139951: Test on GC collection disabled if threshold is zero (GH-140304)
(cherry picked from commit 5d0abb6971)
Co-authored-by: Mikhail Efimov <efimov.mikhail@gmail.com>
gh-140406: Fix memory leak upon `__hash__` returning a non-integer (GH-140411)
(cherry picked from commit 71db05a12d)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
[Docs] Add missing note about Required/NotRequired/ReadOnly in get_type_hints() (GH-139565)
(cherry picked from commit a752f58d6b)
Co-authored-by: Sam Bull <git@sambull.org>
gh-138891: fix star-unpack in get_annotations (GH-138951)
(cherry picked from commit c6be6e4537)
Co-authored-by: Christoph Walcher <christoph-wa@gmx.de>
* Support non-UTF-8 shebang and comments if non-UTF-8 encoding is specified.
* Detect decoding error for non-UTF-8 encoding.
* Detect null bytes in source code.
(cherry picked from commit 38d4b436ca)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Clang-20 detects a data race between the unlock and the non-atomic
read of the lock state. Use a relaxed load for the assertion to avoid
the race.
(cherry picked from commit f11ec6e643)
Co-authored-by: Sam Gross <colesbury@gmail.com>
Standardize translation of `Doc/bugs.rst` (GH-137449)
(cherry picked from commit 869bb6948e)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
* 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-140257: fix data race on eval_breaker during finalization (GH-140265)
(cherry picked from commit c8729c9909)
Co-authored-by: Shamil <ashm.tech@proton.me>
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-131788: make resource_tracker re-entrant safe (GH-131787)
* make resource_tracker re-entrant safe
* Update Lib/multiprocessing/resource_tracker.py
* trim trailing whitespace
* use f-string and args = [x, *y, z]
* raise self._reentrant_call_error
---------
(cherry picked from commit f24a012350)
Co-authored-by: Thomas Grainger <tagrain@gmail.com>
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
gh-140120: Refresh HACL* to fix an hmac memory leak (GH-140188)
This pulls an updated version of HACL* that fixes the memory leak reported in GH-140120, via an upstream fix.
(cherry picked from commit 3a81313019)
Co-authored-by: Jonathan Protzenko <jonathan.protzenko+github@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>
Use sysconfig to determine the full name of libpython, rather than hardcoding
a library name that doesn't have ABI flags.
(cherry picked from commit 7f371ed84b)
Co-authored-by: Malcolm Smith <smith@chaquo.com>
gh-140153: Fix Py_REFCNT() definition on limited C API 3.11-3.13 (GH-140158)
(cherry picked from commit 728d239e57)
Co-authored-by: Victor Stinner <vstinner@python.org>
The previous `Py_REFCNT(x) == 1` checks can have data races in the free
threaded build. `_PyObject_IsUniquelyReferenced(x)` is a more conservative
check that is safe in the free threaded build and is identical to
`Py_REFCNT(x) == 1` in the default GIL-enabled build.
(cherry picked from commit 32c264982e)
Co-authored-by: Sergey Miryanov <sergey.miryanov@gmail.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>
* [3.14] gh-102431: Clarify constraints on operands of Decimal logical operations (GH-102836)
Sync C/Python implementation of the decimal: logical_ops for contexts.
(cherry picked from commit 6ecf77dbde)
Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
GH-140058: Clear key and value if `PyTuple_New` fails in `dictiter_iternextitem` (GH-140059)
(cherry picked from commit ded59f7e8e)
Co-authored-by: Sergey Miryanov <sergey.miryanov@gmail.com>
gh-70765: Remove unnecessary extra backtick from Changelog entry (GH-140071)
(cherry picked from commit f70082b477)
Co-authored-by: Rafael Fontenelle <rffontenelle@users.noreply.github.com>
Use multiple signatures for clarity.
Explain different forms of bgcolor() in details.
Fix outdated docstrings.
(cherry picked from commit 525dcfe523)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-131189: Remove `curses` mention from `PYTHON_BASIC_REPL` docs (GH-140022)
The `curses` dependency for the default REPL has been removed
in 031645a884 (backport of
09dfb50f1b).
(cherry picked from commit 0344db8d60)
Co-authored-by: Bartosz Sławecki <bartosz@ilikepython.com>
gh-139988: fix a leak when failing to create a Union type (GH-139990)
(cherry picked from commit 6710156bd2)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.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>
gh-96491: Deduplicate version in IDLE shell title (GH-139841)
Saving to a file added both the filename and repeated the version.
---------
(cherry picked from commit d4e5802588)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
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
gh-101100: Document `zlib` public constants to fix reference warnings (GH-139835)
(cherry picked from commit c7f1da97eb)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
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-139823: Extend list of optional dependencies in `configure.rst` (GH-139826)
(cherry picked from commit 8f14bddeae)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Emma Smith <emma@emmatyping.dev>
Co-authored-by: Victor Stinner <vstinner@python.org>
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>
gh-139742: Add support for Python 3.14 t-string prefixes in IDLE colorizer and tests (GH-139756)
Add 't' prefix to colorizer.py stringprefix regex to support Python 3.14 template strings.
Add t prefixes to test_colorizer.py source test text and adjust line numbers on test methods.
---------
(cherry picked from commit 6fd1418341)
Co-authored-by: Anuradha Agrawal <paysur2111@gmail.com>
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.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>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@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>
It should interpret the result of wcsxfrm() as a sequence of abstract
integers, not a sequence of Unicode code points or using other encoding
scheme that does not preserve ordering.
(cherry picked from commit 482fd0c811)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Handle ECANCELED in the same way as EINTR to work around the Posix
violation in the NetBSD's implementation.
(cherry picked from commit 07d0b95b05)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.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>
The csv.register_dialect() docstring no longer imply that it returns a dialect.
All functions have now signatures.
(cherry picked from commit aa1dbd4dde)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: maurycy <5383+maurycy@users.noreply.github.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>
fix potential hang.
It can happen that the child crashes right in the beginning for whatever reason. In this case, the parent will hang when writing into the pipe, because the child fd is not closed yet.
The normal pattern is to close the child fds right after the child proc is forked/executed/spawned, so when the child dies, then also the pipes will be closed, and there will be no hang (the parent gets SIGPIPE instead).
(cherry picked from commit 8ed5a2b56c)
Co-authored-by: Albert Zeyer <albzey@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-137484: Have `Tools/wasm/wasi` use the build triple instead of "build" (GH-37485)
This should help prevent issuse where something like a container is used to do one build and then someone tries to build again locally.
(cherry picked from commit 0953200b13)
Co-authored-by: Brett Cannon <brett@python.org>
Co-authored-by: Petr Viktorin <encukou@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>
GH-137243: Have `Tools/wasm/wasi` detect WASI SDK installs in `/opt` when the release tarball is extracted (GH-137244)
(cherry picked from commit 2f1a9f2ed4)
Co-authored-by: Brett Cannon <brett@python.org>
Drop explicit tool installation in the dev container (GH-138211)
This is now handled upstream in the dev container image itself.
(cherry picked from commit d910b93f78)
Co-authored-by: Brett Cannon <brett@python.org>
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>
* Improve error messages for path-like relative paths and path-like bytes paths.
* TZPATH is now always a tuple of strings.
(cherry picked from commit 859aecc33b)
Co-authored-by: Stephen Morton <git@tungol.org>
Touch up `Setup.local` handling in `Tools/wasm/wasi` (GH-137051)
The comment in the generated file is now more self-explanatory. The checks for unexpected file contents are also strengthened.
(cherry picked from commit ec7fad79d2)
Co-authored-by: Brett Cannon <brett@python.org>
Co-authored-by: Zachary Ware <zach@python.org>
Without the ability to set required capabilities, the REPL cannot
function properly (syntax highlighting and multiline editing can't
work).
We refuse to work in this degraded state.
(cherry picked from commit 2fc7004d54)
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Make UTF8 support for the IMAP APPEND command RFC 6855 compliant.
(cherry picked from commit 408154d64a)
Co-authored-by: Gordon Messmer <gordon.messmer@gmail.com>
Fix a bug in the pydoc module that was hiding functions in a Python
module if they were implemented in an extension module and the module did
not have __all__.
(cherry picked from commit 7257b24140)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
(cherry picked from commit 25edfa7cf1)
Co-authored-by: Cornelius Roemer <cornelius.roemer@gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
On some macOS versions there was an off-by-one error in wcsxfrm() which
caused writing past the end of the array if its size was not calculated
by running wcsxfrm() first.
(cherry picked from commit 5854cf38a2)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Ronald Oussoren <ronaldoussoren@mac.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Passing a negative or zero size to `cursor.fetchmany()` made it fetch all rows
instead of none.
While this could be considered a security vulnerability, it was decided to treat
this issue as a regular bug as passing a non-sanitized *size* value in the first
place is not recommended.
(cherry picked from commit bc172ee830)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
gh-95844: Move help_url code to a help module function (GH-129971)
---------
(cherry picked from commit 3b4cd88563)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
gh-138004: Fix setting a thread name on OpenIndiana (GH-138017)
Encode Solaris/Illumos thread names to ASCII, since
OpenIndiana does not support non-ASCII names.
Add tests for setting non-ASCII name for the main thread.
(cherry picked from commit c19db1d2b8)
Co-authored-by: jadonduff <jadon_duff@icloud.com>
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* [3.14] gh-134698: Hold a lock when the thread state is detached in `ssl` (GH-134724)
Lock when the thread state is detached.
(cherry picked from commit e047a35b23)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
* Only lock the SSL context, not the SSL socket.
This solves a deadlock when a socket is blocked while waiting on data,
which ended up causing a major regression in 3.13.6 (see gh-137583).
---------
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
gh-137477: Fix inspect.getblock() for generator expressions (GH-137488)
This fixes also inspect.getsourcelines() and inspect.getsource().
(cherry picked from commit eae9d7de1c)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-136914: Fix support of cached functions and properties in DocTest's lineno computation (GH-136930)
Previously, DocTest's lineno of functions and methods decorated with
functools.cache(), functools.lru_cache() and functools.cached_property()
was not properly returned (None was returned) because the
computation relied on inspect.isfunction() which does not consider the
decorated result as a function.
We now use the more generic inspect.isroutine(), as elsewhere
in doctest's logic.
Also, added a special case for functools.cached_property().
(cherry picked from commit fece15d29f)
Co-authored-by: Denis Laxalde <denis@laxalde.org>
gh-137440: Update comment in Python/hamt.c on importing for testing (GH-137441)
Switch from `_testcapi` to `_testinternalcapi`.
(cherry picked from commit 7ab68cd506)
Co-authored-by: Bartosz Sławecki <bartosz@ilikepython.com>
There was a deadlock originally seen by Memray when a daemon thread
enabled or disabled profiling while the interpreter was shutting down.
I think this could also happen with garbage collection, but I haven't
seen that in practice.
The daemon thread could be hung while trying acquire the global rwmutex
that prevents overlapping global and per-interpreter stop-the-world events.
Since it already held the main interpreter's stop-the-world lock, it
also deadlocked the main thread, which is trying to perform interpreter
finalization.
Swap the order of lock acquisition to prevent this deadlock.
Additionally, refactor `_PyParkingLot_Park` so that the global buckets
hashtable is left in a clean state if the thread is hung in
`PyEval_AcquireThread`.
(cherry picked from commit 90fe3250f8)
Co-authored-by: Sam Gross <colesbury@gmail.com>
gh-137044: Support large limit values in getrlimit() and setrlimit() (GH-137338)
* Return large limit values as positive integers instead of negative integers
in resource.getrlimit().
* Accept large values and reject negative values (except RLIM_INFINITY)
for limits in resource.setrlimit().
(cherry picked from commit baefaa6cba)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-81325: Support path-like objects with streaming TarFile (GH-137188)
(cherry picked from commit 3ec3d05345)
Co-authored-by: Alexander Urieles <aeurielesn@users.noreply.github.com>
Co-authored-by: Emma Smith <emma@emmatyping.dev>
gh-136520: Clarify docs for _pack_ & _align_ (GH-137036)
Move docs to the reference section & reduce the “tutorial” part to a quick intro & link.
Clarify what values are accepted.
Add macro/attribute equivalents.
Discourage _align_ values that aren't powers of two.
(cherry picked from commit 8943bb722f)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
gh-137273: Fix debug assertion failure in locale.setlocale() on Windows (GH-137300)
It happened when there were at least 16 characters after dot in the
locale name.
(cherry picked from commit 718e0c89ba)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-138779: Use the dev_t converter for st_rdev (GH-138780)
This allows to support device numbers larger than 2**63-1.
(cherry picked from commit 43013f72f0)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
(cherry picked from commit db53ca30d7)
Signed-off-by: Ho Kim <ho.kim@ulagbulag.io>
Co-authored-by: Ho Kim <ho.kim@ulagbulag.io>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
fix comment reference from man 7 signal to man 7 signal-safety (GH-138554)
(cherry picked from commit 2f5ace780b)
docs: fix comment reference from man 7 signal to man 7 signal-safety
Co-authored-by: mqudah <mohghq@gmail.com>
gh-129368: In PyRun C API docs, clarify what a "start token" is (GH-129935)
(cherry picked from commit e1eca8b308)
Co-authored-by: Rajhans Jadhao <rajhans.jadhao@gmail.com>
Unify documentation for all backends, enumerate all not implemented mapping
methods, document particularities of implemented mapping methods.
(cherry picked from commit 8700404f86)
gh-135944: Add a "Runtime Components" Section to the Execution Model Docs (gh-135945)
The section provides a brief overview of the Python runtime's execution environment. It is meant to be implementation agnostic,
(cherry picked from commit 46a1f0a9ff)
Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
gh-133467: fix data race in `type_set_name` (GH-137302)
Fix data race in `type_set_name` by assigning name under stop the world pause making it thread safe in free-threading.
(cherry picked from commit e99bc7fd44)
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
* gh-135729: Store reference to globals in `Interpreter._decref` (GH-139104)
(cherry picked from commit 571210b8f3)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
gh-137025: Include ``python.worker.mjs`` in the Emscripten Web Example (GH-137236)
(cherry picked from commit d5191ba99b)
Co-authored-by: adam j hartz <hz@mit.edu>
gh-137390: Add missing line continuation character in configure.ac (GH-137391)
(cherry picked from commit 001461a292)
Co-authored-by: markmcclain <markmcclain@users.noreply.github.com>
Co-authored-by: Erlend E. Aasland <erlend@python.org>
gh-131885: Use positional-only markers for ``max()`` and ``min()`` (GH-131868)
(cherry picked from commit dd079db4b9)
Co-authored-by: Evan Kohilas <ekohilas@users.noreply.github.com>
gh-135629: rewrite language reference section on except* to improve clarity (GH-136150)
(cherry picked from commit a651ec9524)
Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
gh-139436: Remove ``dist-pdf`` from the docs archives rebuild target (GH-139437)
(cherry picked from commit 0e2cdd313b)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Call backtrace() once when installing the signal handler to ensure that
libgcc is dynamically loaded outside the signal handler.
This fixes a "signal-unsafe call inside of a signal" TSan error from
test_faulthandler.test_enable_fd.
(cherry picked from commit 11a8652e25)
Co-authored-by: Sam Gross <colesbury@gmail.com>
gh-135444: fix `asyncio.DatagramTransport.sendto` to account for datagram header size when data cannot be sent (GH-135445)
(cherry picked from commit e3ea861351)
Co-authored-by: Justin Bronder <jsbronder@cold-front.org>
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
(cherry picked from commit 81268a3e2a)
Co-authored-by: Wulian233 <1055917385@qq.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
A runtime check is needed to support cross-compiling.
Remove the _Py_NORMALIZE_CENTURY macro.
Remove _pydatetime.py's _can_support_c99.
(cherry picked from commit 719e5c3f71)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-136823: Update documentation on excluded headers in Python.h (GH-136824)
(cherry picked from commit c2428ca9ea)
Co-authored-by: Sina Zel taat <111974143+SZeltaat@users.noreply.github.com>
Co-authored-by: Adam Turner <9087854+aa-turner@users.noreply.github.com>
gh-136516: Mention installation artifacts as de-facto resources (GH-136419)
Files like NUL on windows are, from `importlib.resources` point of
view, an artifact caused by installing to a filesystem directory.
Mention these.
(cherry picked from commit fac4964fdb)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
gh-139698: Fix typo in What's New 3.14 (GH-139699)
(cherry picked from commit d396a32b3d)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
There were a few thread-safety issues when profiling or tracing all
threads via PyEval_SetProfileAllThreads or PyEval_SetTraceAllThreads:
* The loop over thread states could crash if a thread exits concurrently
(in both the free threading and default build)
* The modification of `c_profilefunc` and `c_tracefunc` wasn't
thread-safe on the free threading build.
(cherry picked from commit a10152f8fd)
Co-authored-by: Sam Gross <colesbury@gmail.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
gh-126662: naming consistency for `signal.ItimerError` (GH-126712)
(cherry picked from commit d5fa437dfb)
Co-authored-by: Stephen Morton <git@tungol.org>
gh-58124: Avoid CP_UTF8 in UnicodeDecodeError (GH-137415)
Fix name of the Python encoding in Unicode errors of the code page
codec: use "cp65000" and "cp65001" instead of "CP_UTF7" and "CP_UTF8"
which are not valid Python code names.
(cherry picked from commit ce1b747ff6)
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-71810: Fix _PyLong_AsByteArray() undefined behavior (GH-138873)
Don't read p[-1] when p is an empty string: when n==0.
(cherry picked from commit 8b5ce31c2b)
Co-authored-by: Victor Stinner <vstinner@python.org>
Kill the REPL subprocess once it prints the output from the command
immediately before the `time.sleep()`.
(cherry picked from commit 98d462cf4d)
Co-authored-by: Sam Gross <colesbury@gmail.com>
gh-135329: Use longer timeout in pyrepl test_repl_eio() (GH-139503)
Replace hardcoded 5 seconds with support.SHORT_TIMEOUT.
Fix the following error on slow CI such as GitHub Action UBSan:
test test_pyrepl failed -- Traceback (most recent call last):
File "Lib/test/test_pyrepl/test_unix_console.py", line 362, in test_repl_eio
_, err = proc.communicate(timeout=5) # sleep for pty to settle
~~~~~~~~~~~~~~~~^^^^^^^^^^^
File "Lib/subprocess.py", line 1219, in communicate
stdout, stderr = self._communicate(input, endtime, timeout)
~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^
File "Lib/subprocess.py", line 2126, in _communicate
self._check_timeout(endtime, orig_timeout, stdout, stderr)
~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "Lib/subprocess.py", line 1266, in _check_timeout
raise TimeoutExpired(
...<2 lines>...
stderr=b''.join(stderr_seq) if stderr_seq else None)
subprocess.TimeoutExpired: Command '[...]' timed out after 5 seconds
(cherry picked from commit c985822d86)
Co-authored-by: Victor Stinner <vstinner@python.org>
Replacing the slot isn't thread-safe if the GIL is disabled. Don't
require that the slot has been replaced when specializing.
(cherry picked from commit 485b16b4f7)
gh-139516: Fix lambda colon start format spec in f-string in tokenizer (GH-139657)
(cherry picked from commit 539461d9ec)
Co-authored-by: Tomasz Pytel <tompytel@gmail.com>
gh-128639: Don't assume one thread in subinterpreter finalization with fixed daemon thread support (GH-134606)
This reapplies GH-128640.
(cherry picked from commit a64881363b)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
gh-112729: Correctly fail when the process is out of memory during interpreter creation (GH-139164)
(cherry picked from commit d06113c7a7)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
gh-138756: Fix leak of inittab memory in PyInitConfig_Free() (GH-138792)
(cherry picked from commit 3d521a62e7)
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-138756: Fix memory leak in PyInitConfig_Free() (GH-138759)
Clear also memory of PyConfig members.
(cherry picked from commit 96dee64c73)
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-139573: Update macOS installer to use OpenSSL 3.0.18 (GH-139575)
(cherry picked from commit 23410f0a9e)
Co-authored-by: Zachary Ware <zach@python.org>
gh-139310: skip `test_aead_aes_gcm` for Linux kernel between 6.16.0 and 6.17.x (GH-139552)
Currently, Fedora 42 uses a custom Linux Kernel 6.16.9 that backported an upstream change
from 6.17-rc7 [1,3] but not its subsequent fix [2]. Until the issue is resolved upstream,
we skip the failing test `test_socket.test_aead_aes_gcm` for kernel versions between 6.16
and 6.17.x.
[1] 1b34cbbf4f
[2] d0ca0df179.
[3] 45bcf60fe4
(cherry picked from commit 41712c4e09)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
gh-139573: Update OpenSSL version used in iOS builds (GH-139582)
Update OpenSSL version used in iOS builds.
(cherry picked from commit 20758f9bb1)
Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>
gh-139573: Update Windows builds to use OpenSSL 3.0.18 (GH-139574)
(cherry picked from commit 063cef9999)
Co-authored-by: Zachary Ware <zach@python.org>
gh-138558: Improve description of ``Interpolation.expression`` (GH-139187)
(cherry picked from commit 880c9526f9)
Co-authored-by: Dave Peck <davepeck@gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Synced docs and docstring for `sysconfig.get_platform` (GH-135530)
(cherry picked from commit 01cc53295c)
Co-authored-by: ivan <ivandietert@gmail.com>
Co-authored-by: Mikhail Efimov <efimov.mikhail@gmail.com>
Co-authored-by: Ned Deily <nad@python.org>
Co-authored-by: Filipe Laíns 🇵🇸 <lains@riseup.net>
GH-123299: Copyedit 3.14 What's New: New and Improved Modules (GH-139530)
(cherry picked from commit c33dc154b4)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Document that `PyInterpreterState_GetDict` returns a borrowed reference (GH-139451)
(cherry picked from commit 80cdf3ef74)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Remove link to the PDF downloads (GH-139142)
(cherry picked from commit 6b5f15698a)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Yongzi Li <204532581+Yzi-Li@users.noreply.github.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Ken Jin <kenjin4096@gmail.com>
gh-139330: Check expat version/checksum in SBOM with refresh.sh
Check expat version/checksum in SBOM with refresh.sh
(cherry picked from commit 89b5571025)
Co-authored-by: Seth Michael Larson <seth@python.org>
gh-138092: Correct the documented signature of ``mmap.flush`` (GH-138671)
(cherry picked from commit e101f907dc)
Co-authored-by: AN Long <aisk@users.noreply.github.com>
gh-137242: Mention Android binary releases in documentation (GH-138305)
Adds a mention of binary releases to the Android documentation.
---------
(cherry picked from commit 594bdde9df)
Co-authored-by: Malcolm Smith <smith@chaquo.com>
gh-128627: Use __builtin_wasm_test_function_pointer_signature for Emscripten trampoline (GH-137470)
With https://github.com/llvm/llvm-project/pull/150201 being merged, there is
now a better way to generate the Emscripten trampoline, instead of including
hand-generated binary WASM content. Requires Emscripten 4.0.12.
(cherry picked from commit 2629ee4eb0)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
gh-132558: Improve `argparse` docs on combining `type` and `choices` (GH-133827)
(cherry picked from commit dd0840bf67)
Co-authored-by: Hans Then <hans.then@gmail.com>
Co-authored-by: Savannah Bailey <savannahostrowski@gmail.com>
Co-authored-by: Benjamin Johnson <benjohnson2040@gmail.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Brian Schubert <brianm.schubert@gmail.com>
Revert "gh-118803: Remove `ByteString` from `typing` and `collections.abc` (GH-118804)" (GH-138990)
(cherry picked from commit 530ddd3e06)
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Alexander Belopolsky <abalkin@users.noreply.github.com>
gh-138801: re-enable `pyrepl` tests on Windows (GH-138802)
(cherry picked from commit 4f3cab96c1)
Co-authored-by: Chris Eibl <138194463+chris-eibl@users.noreply.github.com>
gh-137368: document __index__() support for PyLong_AsInt32/64() (GH-137369)
(cherry picked from commit 4dd85b347f)
Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
* gh-136264: Fix ``--relative-paths`` for PEP 739's build-details.json (GH-138510)
* KeyError is not raised for defaultdict
* Fix relative paths on different drives on Windows
* Add a round-trip test
(cherry picked from commit 057ee17410)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Itamar Oren <itamarost@gmail.com>
* Update test_build_details.py
* Update Lib/test/test_build_details.py
---------
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Itamar Oren <itamarost@gmail.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
* GH-101100: Remove some entries from ``nitpick_ignore`` (GH-138464)
(cherry picked from commit 22cb9ba8f9)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
* Update check-warnings.py
---------
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: James Parrott <80779630+JamesParrott@users.noreply.github.com>
Co-authored-by: Brian Schubert <brianm.schubert@gmail.com>
Co-authored-by: Adam Turner <9087854+aa-turner@users.noreply.github.com>
gh-138659: Typo in the gc module docstring (GH-138660)
docs(gc): fix typo in get_threshold() docstring
Removes a duplicate "the" from the docstring for the `gc.get_threshold()` function.
(cherry picked from commit c006a623e7)
Co-authored-by: Aalaap Dey <65075436+axdeyy@users.noreply.github.com>
gh-138318, PyREPL: builtins should not be highlighted when used as attribute names (GH-138319)
(cherry picked from commit 7a3bca50e0)
Co-authored-by: yihong <zouzou0208@gmail.com>
Docs: Fix typo in test.support.linked_to_musl function name (GH-138406)
(cherry picked from commit 8ce4f28363)
Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Tomas R. <tomas.roun8@gmail.com>
gh-107194: Improved language of list.index in tutorial (gh-138518)
(cherry picked from commit f19f1d8563)
Co-authored-by: Ric <11750904+ricsatjr@users.noreply.github.com>
Co-authored-by: R Chintan Meher <meherrihaan@gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: sobolevn <mail@sobolevn.me>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
gh-126524: Revert "gh-126524: Run `regen-unicodedata` as a part of our CI GH-126682" (GH-138197)
(cherry picked from commit 03f8d3b0db)
Co-authored-by: sobolevn <mail@sobolevn.me>
gh-135261: bring back CI job for testing OpenSSL 1.1.1w (GH-135262)
This partially reverts commit d83e30cadd
by bringing back the CI job for testing OpenSSL 1.1.1w. Despite this
version being upstream EOL, the rationale for keeping it as follows:
- It most resembles other 1.1.1-work-a-like ssl APIs supported by important vendors.
- Python officially requires OpenSSL 1.1.1 or later, although OpenSSL 3.0 or later
is recommended for cryptographic modules. Since changing the build requirements
requires a transition period, we need to keep testing the allowed versions.
- The code base still contains calls to OpenSSL functions that are deprecated since
OpenSSL 3.0 as well as `ifdef` blocks constrained to OpenSSL 1.1.1.
(cherry picked from commit 96b7a2eba4)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Emend an error in ``string.templatelib`` example output (GH-137890)
(cherry picked from commit 8e3244d39b)
Co-authored-by: Christoph Walcher <christoph-wa@gmx.de>
gh-137846: Add missing 'be' to profile doc. (GH-137856)
Insert 'be' into 'will interpreted'.
(cherry picked from commit 3663b2ad54)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
gh-132661: PEP 750 documentation: second pass (GH-137020)
(cherry picked from commit 4dae9b1ff1)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Sachin Shah <39803835+inventshah@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
* Add OpenSSL 3.5.2 definitions to Modules/_ssl_data_35.h (moved from Modules/_ssl_data_34.h)
* Demote OpenSSL 3.1 to "old", remove it from CI
* Update all OpenSSL versions to latest patchlevel in CI config and multissltests defaults
* Add OpenSSL 3.5.2 to CI configuration and multissltests default list
* Fix a typo in the argument parser description of multissltests.py
(cherry picked from commit 7a703c8f19)
Co-authored-by: R. David Murray <rdmurray@bitdance.com>
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-137499: Fixed dead link to NIST website (GH-137500)
(cherry picked from commit 3c1471d971)
Co-authored-by: tobiasjcat <70606111+tobiasjcat@users.noreply.github.com>
Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Ned Deily <nad@python.org>
Remove Alex Waygood as a codeowner for pre-commit config (GH-137372)
(cherry picked from commit a46ed665ff)
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
gh-137314: Fix incorrect treatment of format specs in raw fstrings (GH-137328)
(cherry picked from commit 0153d82a5a)
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
Add a What's New entry for Emscripten (GH-137035)
(cherry picked from commit d7e12a362a)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Link to plaintext for "show source" links (GH-137131)
(cherry picked from commit 9cbf46d992)
Co-authored-by: ryan-duve <ryan-duve@users.noreply.github.com>
Exclude _testclinic_depr.c.h from c-analyzer (GH-137086)
_testclinic.c mocks out PY_VERSION_HEX to 3.8 before including
_testclinic_depr.c.h to avoid the errors the preprocessor would
otherwise throw due to the deprecation feature it is testing.
(cherry picked from commit d5e75c0768)
Co-authored-by: Zachary Ware <zach@python.org>
Basic support for pyrepl in Emscripten. Limitations:
* requires JSPI
* no signal handling implemented
As followup work, it would be nice to implement a webworker variant
for when JSPI is not available and proper signal handling.
Because it requires JSPI, it doesn't work in Safari. Firefox requires
setting an experimental flag. All the Chromiums have full support since
May. Until we make it work without JSPI, let's keep the original web_example
around.
(cherry picked from commit c933a6bb32)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Éric <merwok@netwok.org>
gh-133742: Fix test_sysconfig and test_build_details for relocated directories (GH-136987)
(cherry picked from commit aafbdb5df5)
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
Co-authored-by: Dave Peck <davepeck@gmail.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Loïc Simon <loic.pano@gmail.com>
Co-authored-by: pauleveritt <pauleveritt@me.com>
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
This is useful for implementing proper `input()`. It requires the
JavaScript engine to support the wasm JSPI spec which is now stage 4.
It is supported on Chrome since version 137 and on Firefox and node
behind a flag.
We override the `__wasi_fd_read()` syscall with our own variant that
checks for a readAsync operation. If it has it, we use our own async
variant of `fd_read()`, otherwise we use the original `fd_read()`.
We also add a variant of `FS.createDevice()` called
`FS.createAsyncInputDevice()`.
Finally, if JSPI is available, we wrap the `main()` symbol with
`WebAssembly.promising()` so that we can stack switch from `fd_read()`.
If JSPI is not available, attempting to read from an AsyncInputDevice
will raise an `OSError`.
(cherry picked from commit 7ae4749d06)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
Modifies the test runner script to no longer export the the HOST environment
variable, and to allow for tests that produce no Python output (output from the
Android console is still expected and required). These changes stem from
knowledge gained during developing a PR for Android support in cibuildwheel.
(cherry picked from commit 149bddcc21)
Co-authored-by: Malcolm Smith <smith@chaquo.com>
gh-135228: When @dataclass(slots=True) replaces a dataclass, make the original class collectible (GH-136893)
An interesting hack, but more localized in scope than GH-135230.
This may be a breaking change if people intentionally keep the original class around
when using `@dataclass(slots=True)`, and then use `__dict__` or `__weakref__` on the
original class.
(cherry picked from commit 46cbdf967a)
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Co-authored-by: Alyssa Coghlan <ncoghlan@gmail.com>
gh-136170: Revert adding `ZipFile.data_offset` (GH-136950)
* Revert "gh-84481: Make ZipFile.data_offset more robust (GH-132178)"
This reverts commit 6cd1d6c6b1.
* Revert "gh-84481: Add ZipFile.data_offset attribute (GH-132165)"
This reverts commit 0788948dcb.
---------
(cherry picked from commit 6bf1c0ab34)
Co-authored-by: Emma Smith <emma@emmatyping.dev>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
Reorganises the large Emscripten-specific file into the Emscripten folder.
(cherry picked from commit bbe589f93c)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
gh-136421: Load `_datetime` static types during interpreter initialization (GH-136583)
`_datetime` is a special module, because it's the only non-builtin C extension that contains static types. As such, it would initialize static types in the module's execution function, which can run concurrently. Since static type initialization is not thread-safe, this caused crashes. This fixes it by moving the initialization of `_datetime`'s static types to interpreter startup (where all other static types are initialized), which is already properly protected through other locks.
(cherry picked from commit a10960699a)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
gh-136870: fix data race in `PyThreadState_Clear` on `sys_tracing_threads` (GH-136951)
In free-threading, multiple threads can be cleared concurrently as such the modifications on `sys_tracing_threads` should be done while holding the profile lock, otherwise it can race with other threads setting up profiling.
(cherry picked from commit f183996eb7)
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
GH-136874: `url2pathname()`: discard query and fragment components (GH-136875)
In `urllib.request.url2pathname()`, ignore any query or fragment components
in the given URL.
(cherry picked from commit 80b2d60a51)
Co-authored-by: Barney Gale <barney.gale@gmail.com>
Pedantic rewording of why relative importing doesn't work in main modules (GH-136846)
Pedantically reword the section about relative imports and main modules.
(cherry picked from commit 4b68289ca6)
Co-authored-by: Josh Cannon <joshdcannon@gmail.com>
gh-134411: assert `PyLong_FromLong(x) != NULL` when `x` is known to be small (GH-134415)
Since `PyLong_From Long(PY_MONITORING_DEBUGGER_ID)` falls to `small_int` case and can't return `NULL`. Added `assert`s for extra confidence.
https://github.com/python/cpython/issues/134411#issuecomment-2897653868
(cherry picked from commit cf19b6435d)
Co-authored-by: Sergey Muraviov <smurav@mail.ru>
gh-136428: amend UUIDv8 performance improvements (GH-136903)
UUIDv8 has been added in Python 3.14.0a2 and its construction time
has been improved in Python 3.14.0a4, but since those changes will
not be visible when comparing the latest Python 3.13 and 3.14 together,
we do not document them on the What's New page to avoid confusion.
(cherry picked from commit 5798348a07)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
gh-136470: Correct InterpreterPoolExecutor's default thread name (GH-136472)
The OS thread name is now correctly prefixed with `InterpreterPoolExecutor` instead of `ThreadPoolExecutor`.
(cherry picked from commit 246be21de1)
Co-authored-by: AN Long <aisk@users.noreply.github.com>
GH-130645: Default to color help in argparse (GH-136809)
(cherry picked from commit acbe896cb1)
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
Co-authored-by: Adam Turner <9087854+aa-turner@users.noreply.github.com>
gh-86608: Improve and restructure tarfile examples (GH-121771)
Add an example on how to write a tarfile to stdout; general improvements.
(cherry picked from commit cc81b4e501)
Co-authored-by: Dominic H <dom@dominic.sk>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Extend the documentation for disabling pymalloc with the `--without-pymalloc` flag regarding why it is worth to use it when enabling AddressSanitizer for Python build (which is done, e.g., in CPython's CI builds).
I have tested the CPython latest main build with both ASan and pymalloc enabled and it seems to work just fine. I did run the `python -m test` suite which didn't uncover any ASan crashes (though, it detected some memory leaks, which I believe are irrelevant here).
I have discussed ASan and this flag with @encukou on the CPython Core sprint on EuroPython 2025. We initially thought that the `--without-pymalloc` flag is needed for ASan builds due to the fact pymalloc must hit the begining of page when determining if the memory to be freed comes from pymalloc or was allocated by the system malloc. In other words, we thought, that ASan would crash CPython during free of big objects (allocated by system malloc). It may be that this was the case in the past, but it is not the case anymore as the `address_in_range` function used by pymalloc is annotated to be skipped from the ASan instrumentation.
(cherry picked from commit d19bb44713)
Co-authored-by: Disconnect3d <dominik.b.czarnota@gmail.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
gh-54732: Make argparse error caused by empty rows in option files explicit (GH-136795)
(cherry picked from commit 8ffc3ef01e)
Co-authored-by: jdunter <2ve@mailbox.org>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
gh-135730: Clarify multiprocessing.Queue close() documentation (GH-136803)
Add a copy of the text from SimpleQueue.close()
---------
(cherry picked from commit f575588ccf)
Co-authored-by: aggshruti99 <aggshruti99@gmail.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
gh-136769: Include fixed-width integers in the fundamental data types table (GH-136784)
Fixed-sized types, like ``c_int32``, are currently missing from the fundamental data types table
in the ``ctypes`` documentation. This commit adds them, and notes that ``c_[u]int8`` is an alias
of ``c_[u]byte``.
(cherry picked from commit acefb978dc)
Co-authored-by: Sina Zel taat <111974143+SZeltaat@users.noreply.github.com>
gh-74598: document that `fnmatch.filterfalse` is affected by cache limitation (GH-136781)
(cherry picked from commit 263e451c41)
Co-authored-by: Gergely Elias <gergely.elias@gmail.com>
Docs: Improve example for ``itertools.batched()`` (GH-136775)
The current example `batched('ABCDEFG', n=3) → ABC DEF G` can confuse readers because both, the size of the tuples and the number of tuples are 3.
By using a batch size of n=2, it is clearer that the `n` argument refers to the size of the resulting tuples.
I.e. the new example is: `batched('ABCDEFG', n=2) → AB CD EF G`
(cherry picked from commit 3eecc72ac7)
Co-authored-by: RafaelWO <38643099+RafaelWO@users.noreply.github.com>
gh-136697: Use the standard audit event format for sys.monitoring docs (GH-136747)
(cherry picked from commit 28937d3a21)
Co-authored-by: Tian Gao <gaogaotiantian@hotmail.com>
Clears the umask used during a test of pydoc.apropos when testing on
Emscripten. This is to work around a known issue in Emscripten; but it's not
clear if the chmod call that is causing the problem is actually testing
anything of significance.
(cherry picked from commit 22af5d35a6)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
This might have been fixed by gh-136624, or by some Emscripten change.
In any case, it no longer seems to be needed.
(cherry picked from commit dcd27aace1)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
Provide a stub implementation of umask that is enough to get some tests passing.
More work is needed upstream in Emscripten to make all umask tests to pass.
(cherry picked from commit 12e52cad71)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
Makes the Emscripten stack overflow skip message consistent with WASI,
and replaces some ad-hoc skips.
(cherry picked from commit c730952aa6)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
Corrects the handling of getuid on emscripten, which was consistently reporting as 0.
(cherry picked from commit e81c4e84b3)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
It was "doctest.module attribute". Now it is "module attribute".
(cherry picked from commit 7689407fa4)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Previously, we assumed that instrumentation would happen for all copies of
the bytecode if the instrumentation version on the code object didn't match
the per-interpreter instrumentation version. That assumption was incorrect:
instrumentation will exit early if there are no new "events," even if there
is an instrumentation version mismatch.
To fix this, include the instrumented opcodes when creating new copies of
the bytecode, rather than replacing them with their uninstrumented variants.
I don't think we have to worry about races between instrumentation and creating
new copies of the bytecode: instrumentation and new bytecode creation cannot happen
concurrently. Instrumentation requires that either the world is stopped or the
code object's per-object lock is held and new bytecode creation requires holding
the code object's per-object lock.
(cherry picked from commit d995922198)
Co-authored-by: mpage <mpage@meta.com>
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
gh-72570: mention the incompatibility of XOFs with HMAC (GH-136676)
(cherry picked from commit a02cf19dee)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Fix "msvcrt" import warning on Linux when "_ctypes" is not available.
On Linux, compiling without "libffi" causes a
"No module named 'msvcrt'" warning when launching PyREPL.
(cherry picked from commit f320c951c3)
Co-authored-by: Dzmitry Plashchynski <plashchynski@gmail.com>
gh-136663: fix signatures of PyFloat_Pack/Unpack in docs (GH-136664)
(cherry picked from commit e4654e0b3e)
Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
gh-116738: Make grp module thread-safe (GH-135434)
Make grp module methods getgrgid() and getgrnam() thread-safe when the GIL is disabled and getgrgid_r()/getgrnam_r() C APIs are not available.
---------
(cherry picked from commit 9363703bd3)
Co-authored-by: Alper <alperyoney@fb.com>
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
Removes the JS text decoder fallback and gets rid of the bugs due to the differences
in behavior on invalid utf8 strings. See https://github.com/emscripten-core/emscripten/issues/24690.
(cherry picked from commit 283b050523)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
gh-127971: fix off-by-one read beyond the end of a string during search (GH-132574)
(cherry picked from commit 85ec3b3b50)
Co-authored-by: Duane Griffin <duaneg@dghda.com>
gh-42237: Link to complete list of codec aliases (GH-136625)
Closes GH-42237
(cherry picked from commit a93d9aaf62)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
gh-132346: Docs: Clarify that reference counts aren't stable between versions (GH-132352)
(cherry picked from commit 3dbe02ccd3)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
gh-134833: improve docs for `del s[i:j]` in `Mutable Sequence Types` (GH-134834)
(cherry picked from commit 609d5adc7c)
Co-authored-by: Yongzi Li <204532581+Yzi-Li@users.noreply.github.com>
Docs: Fix and improve the `PyUnstable_Object_EnableDeferredRefcount` documentation (GH-135323)
(cherry picked from commit 0d4fd10fba)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
gh-91153: prevent a crash in `bytearray.__setitem__(ind, ...)` when `ind.__index__` has side-effects (GH-132379)
(cherry picked from commit 5e1e21dee3)
Co-authored-by: Bast <52266665+bast0006@users.noreply.github.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Add index entries and anchors for cache_info, cache_clear and register.
(cherry picked from commit 252e2f710e)
Co-authored-by: Weilin Du <108666168+LamentXU123@users.noreply.github.com>
gh-130478: fix HACL* build for macOS Silicon (GH-134188)
(cherry picked from commit ac7511062b)
Co-authored-by: Sam Ng <hongsheng@gmail.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
gh-136517: Print uncollectable objects if DEBUG_UNCOLLECTABLE mode was set (GH-136518)
(cherry picked from commit c560df9658)
Co-authored-by: Sergey Miryanov <sergey.miryanov@gmail.com>
gh-136541: Fix several problems of perf trampolines in x86_64 and aarch64 (GH-136500)
This commit fixes the following problems:
* The x86_64 trampolines are not preserving frame pointers
* The hardcoded offsets to the code segment from the FDE only worked properly for x64_64
* The CIE data was not following conventions of aarch64
* The eh_frame for aarch64 was not fully correct
(cherry picked from commit 236f733d8f)
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
gh-76637: Note that `undefined` Codec is for testing (GH-136531)
Closes GH-76637
(cherry picked from commit 975b57d945)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
gh-136438: Make sure `test_builtins` pass with all optimization levels (GH-136474)
(cherry picked from commit c176543349)
Co-authored-by: sobolevn <mail@sobolevn.me>
Adds zstd to the Android build process.
(cherry picked from commit 61dd9fdad7)
Co-authored-by: Emma Smith <emma@emmatyping.dev>
Co-authored-by: Malcolm Smith <smith@chaquo.com>
gh-136476: Show the full stack in get_async_stack_trace in _remote_debugging (GH-136483)
(cherry picked from commit ea45a2f97c)
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
gh-102740: Clarify time.monotonic() "system-wide" in the doc (GH-136431)
(cherry picked from commit 9c4d287775)
Co-authored-by: Victor Stinner <vstinner@python.org>
(cherry picked from commit 92f392ad9e)
Co-authored-by: Zachary Ware <zach@python.org>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Éric <merwok@netwok.org>
gh-136447: Use `self.loop` instead of global `loop` variable in asyncio REPL (GH-136448)
(cherry picked from commit 77fa7a4dcc)
Co-authored-by: Justin Su <injustsu@gmail.com>
gh-91048: Revert the memory cache removal for remote debugging (GH-136440)
(cherry picked from commit 77d25e5b16)
gh-91048: Reintroduce the memory cache for remote debugging
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
The free threading build uses QSBR to delay the freeing of dictionary
keys and list arrays when the objects are accessed by multiple threads
in order to allow concurrent reads to proceed with holding the object
lock. The requests are processed in batches to reduce execution
overhead, but for large memory blocks this can lead to excess memory
usage.
Take into account the size of the memory block when deciding when to
process QSBR requests.
Also track the amount of memory being held by QSBR for mimalloc pages. Advance the write sequence if this memory exceeds a limit. Advancing the sequence will allow it to be freed more quickly.
Process the held QSBR items from the "eval breaker", rather than from `_PyMem_FreeDelayed()`. This gives a higher chance that the global read sequence has advanced enough so that items can be freed.
(cherry picked from commit 113de8545f)
Co-authored-by: Neil Schemenauer <nas-github@arctrix.com>
Co-authored-by: Sam Gross <colesbury@gmail.com>
gh-102567: Add missing newline to `--help-all` (GH-136391)
(cherry picked from commit fbef0c1d6a)
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
gh-135913: Document ob_refcnt, ob_type, ob_size (GH-135914)
* gh-135913: Document ob_refcnt, ob_type, ob_size
In `typeobj.rst`, instead of `:c:member:` it would be better to
use `.. c:member::` with a `:no-index:` option, see:
See ref. https://www.sphinx-doc.org/en/master/usage/domains/index.html#basic-markup
However, `c:member` currently does not support `:no-index:`.
(cherry picked from commit 73e1207a4e)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
gh-136032: Fix `argparse.BooleanOptionalAction` doc (GH-136133)
(cherry picked from commit 1953713d0d)
Co-authored-by: W. H. Wang <mattwang44@gmail.com>
gh-135906: Use `_PyObject_CAST` in internal headers (GH-135892)
Fixes build errors encountered in python-greenlet/greenlet#450 when building greenlet on the free-threaded build.
---------
(cherry picked from commit fe187fae8d)
Co-authored-by: Charlie Lin <tuug@gmx.us>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-86682: Add versionadded for sys._getframemodulename (GH-136325)
add versionadded for sys._getframemodulename
(cherry picked from commit 11f074b243)
Co-authored-by: Anthony Sottile <asottile@umich.edu>
* Turn the __future__ table to list-table.
This'll make it easier to add entries that need longer markup
* Semantic markup for __future__ feature descriptions.
* Document CO_* C macros.
(cherry picked from commit 2468aafe98)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
gh-127502: Remove XML vulnerability table (GH-135294)
* Remove the table
* Replace warnings with notes
Latest releases of Python 3.9-3.15 include expat 2.7.1 which is not vulnerable.
expat 2.6.0 was released in February 2024.
(cherry picked from commit cb99d99277)
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-109070: Document that get_context in multiprocessing have side effect (GH-136341)
Document that get_context in multiprocessing have side effect
(cherry picked from commit 77a8bd29da)
Co-authored-by: AN Long <aisk@users.noreply.github.com>
gh-129824: fix data races in subinterpreters under TSAN (GH-135794)
This fixes the data races in typeobject.c in subinterpreters under free-threading. The type flags and slots are only modified in the main interpreter as all static types are first initialised in main interpreter.
(cherry picked from commit b582d751b4)
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
gh-136315: Fix skipped multithreading test in test_zstd (GH-136320)
Fix skipped test in test_zstd
(cherry picked from commit 5dac137b9f)
Co-authored-by: Emma Smith <emma@emmatyping.dev>
gh-136297: Test all `pickle` protocols in `test_zoneinfo_property.py` (GH-136298)
(cherry picked from commit 5de7e3f973)
Co-authored-by: sobolevn <mail@sobolevn.me>
gh-136288: Fix error message in `_testcapi/vectorcall.c` (GH-136258)
Use the %N format specifier instead of %s and `PyType_GetName`.
(cherry picked from commit d1d5dce14f)
Co-authored-by: William S Fulton <wsf@fultondesigns.co.uk>
gh-135773: have pyvenv.cfg without home key anchor a venv and deduce home (GH-135831)
This is still formally undefined behaviour, but we may as well
keep the *same* undefined behaviour as previous versions.
PEP 796 proposes a cleaner and more consistent replacement for 3.15+
(cherry picked from commit 93263d4314)
Co-authored-by: Richard Levasseur <rlevasseur@google.com>
* Whitespaces no longer accepted between `</` and the tag name.
E.g. `</ script>` does not end the script section.
* Vertical tabulation (`\v`) and non-ASCII whitespaces no longer recognized
as whitespaces. The only whitespaces are `\t\n\r\f `.
* Null character (U+0000) no longer ends the tag name.
* Attributes and slashes after the tag name in end tags are now ignored,
instead of terminating after the first `>` in quoted attribute value.
E.g. `</script/foo=">"/>`.
* Multiple slashes and whitespaces between the last attribute and closing `>`
are now ignored in both start and end tags. E.g. `<a foo=bar/ //>`.
* Multiple `=` between attribute name and value are no longer collapsed.
E.g. `<a foo==bar>` produces attribute "foo" with value "=bar".
* Whitespaces between the `=` separator and attribute name or value are no
longer ignored. E.g. `<a foo =bar>` produces two attributes "foo" and
"=bar", both with value None; `<a foo= bar>` produces two attributes:
"foo" with value "" and "bar" with value None.
---------
(cherry picked from commit 0243f97cba)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Ezio Melotti <ezio.melotti@gmail.com>
gh-135252: Document Zstandard integration across zipfile, shutil, and tarfile (GH-135311)
Document Zstandard integration across zipfile, shutil, and tarfile
(cherry picked from commit 938a5d7e62)
Co-authored-by: Emma Smith <emma@emmatyping.dev>
There is no need to temporary switch locale for items ALT_DIGITS and ERA
if the nl_langinfo() result is empty (most locales).
(cherry picked from commit 5c984ae35e)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-127705: Move Py_INCREF_MORTAL() to the internal C API (GH-136178)
Rename Py_INCREF_MORTAL() to _Py_INCREF_MORTAL() and move it to
pycore_object.h internal header.
(cherry picked from commit fa43a1e0f8)
Co-authored-by: Victor Stinner <vstinner@python.org>
Replace `capi-sig` mailing list with `discuss.python.org` (GH-136211)
(cherry picked from commit 7afe1adb00)
Co-authored-by: sobolevn <mail@sobolevn.me>
This moves the deprecation warning from compile time to run time.
(cherry picked from commit 86c3316183)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-130396: Move PYOS_LOG2_STACK_MARGIN to internal headers (GH-135928)
Move PYOS_LOG2_STACK_MARGIN, PYOS_STACK_MARGIN,
PYOS_STACK_MARGIN_BYTES and PYOS_STACK_MARGIN_SHIFT macros to
pycore_pythonrun.h internal header. Add underscore (_) prefix to the
names to make them private. Rename _PYOS to _PyOS.
(cherry picked from commit 28940e8e48)
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-136169: Update parameter name in fractions.from_float method (GH-136172)
Update parameter name in fractions.from_float method
(cherry picked from commit 9c0cb5beb8)
Co-authored-by: Vladyslav Lazoryk <80263725+lazorikv@users.noreply.github.com>
gh-85702: Catch PermissionError in zoneinfo.load_tzdata() (GH-136117)
(cherry picked from commit ee47670e8b)
Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
gh-135607: remove null checking of weakref list in dealloc of extension modules and objects (#135614)
(cherry picked from commit b1056c2a44)
Co-authored-by: Xuanteng Huang <44627253+xuantengh@users.noreply.github.com>
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
Doc: fix duplicated words (GH-136086)
---------
(cherry picked from commit 698bab5a40)
Co-authored-by: Weilin Du <108666168+LamentXU123@users.noreply.github.com>
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
* gh-127604: Docs: Include a C stack in the `faulthandler` example (GH-136081)
(cherry picked from commit 3947847914)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Fix a possible crash when deserializing a large marshal data
(at least several GiBs) containing a slice.
(cherry picked from commit 30ba03ea8e)
Co-authored-by: Akshat Gupta <akshat.gupta24@gmail.com>
Doc: Fix duplicate words in idlelib (GH-136089)
(cherry picked from commit f04d2b8819)
Co-authored-by: Weilin Du <108666168+LamentXU123@users.noreply.github.com>
Rename undocumented `HACL_CAN_COMPILE_SIMD{128,256}` macros
to `_Py_HACL_CAN_COMPILE_VEC{128,256}`. These macros are private.
(cherry picked from commit 1e975aee28)
gh-108765: fix comment about macro definitions in `_stat.c` post GH-108854 (GH-136027)
(cherry picked from commit 0141e7f9e6)
Co-authored-by: Lee Dogeon <dev.moreal@gmail.com>
Previous error message suggested to use cls.__new__(), which
obviously does not work. Now the error message is the same as for
cls(...).
(cherry picked from commit c45f4f3ebe)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-128051: Fix tests if sys.float_repr_style is 'legacy' (GH-135908)
(cherry picked from commit f3aec60d7a)
Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
* Add detection of decimal non-ASCII alt digits.
* Add support of non-decimal alt digits on locale lzh_TW.
* Accept only numbers in correct range if alt digits are known.
* Fix bug in detecting the position of the week day name on locales byn_ER and wal_ET.
* Fix support of single-digit hour on locales ar_SA and bg_BG.
* Add support for %T, %R, %r, %C, %OC.
* Prepare code to use nl_langinfo().
(cherry picked from commit 07183ebce3)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
The iOS testbed now treats the app_packages folder as a site folder. This ensures it is
on the path, but also ensures any .pth files are processed on app startup.
(cherry picked from commit b38810bab7)
Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>
gh-135995: Fix missing char in palmos encoding (GH-135990)
0x8b correctly encodes to ‹, but 0x9b was mistakenly marked as a control character instead of ›.
---------
(cherry picked from commit 58a42dea97)
Co-authored-by: Nathan Korth <nkorth@users.noreply.github.com>
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Brian Schubert <brianm.schubert@gmail.com>
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
IDLE: Update NEWS2x.txt with 2.7.0 release date (GH-129908)
(cherry picked from commit 642e5dfc74)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
gh-135110: Fix misleading `generator.close()` documentation (GH-135152)
The documentation incorrectly stated that generator.close() 'raises' a
GeneratorExit exception. This was misleading because the method doesn't
raise the exception to the caller - it sends the exception internally
to the generator and returns None.
(cherry picked from commit 0d76dccc3b)
Co-authored-by: Connor Denihan <188690869+cdenihan@users.noreply.github.com>
gh-135965: Delete duplicate word in isolating-extensions howto (GH-135964)
Change use use to use.
(cherry picked from commit ffb2a02f98)
Co-authored-by: Weilin Du <108666168+LamentXU123@users.noreply.github.com>
Names/macros defined in public headers should have `Py`/`_Py` prefixes.
(cherry picked from commit a1da208eec)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
gh-135956: Remove duplicate word in _pydatetime docstring (GH-135957)
_pydatetime.isoformat docstring repeats 'giving'.
(cherry picked from commit e3ea6f2b3b)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
Add whatsnew text for warnings module changes. (gh-135869)
(cherry picked from commit 1f5e23fd70)
Co-authored-by: Neil Schemenauer <nas-github@arctrix.com>
Docs: Fix indentation in `slice` class of `functions.rst` (GH-134393)
Paragraph should not be under `slice.step`. It applies to the whole class.
(cherry picked from commit 6227662ff3)
Co-authored-by: Rob Reynolds <13379223+reynoldsnlp@users.noreply.github.com>
The free threading build could spin unnecessarily on `_Py_yield()` if the initial
compare and swap failed.
(cherry picked from commit cbfaf41caf)
Co-authored-by: Joseph Tibbertsma <josephtibbertsma@gmail.com>
Docs: Add cross-reference for `positional_item` in the `calls` productionlist (GH-129977)
Add missing hyperlink for `positional_item`
(cherry picked from commit d2154912b3)
Co-authored-by: HarryLHW <123lhw321@gmail.com>
gh-131591: Make --without-remote-debug work (GH-135925)
The feature is checked using `defined(Py_REMOTE_DEBUG)`; defining
the macro (even as `0`) enables it.
(cherry picked from commit c2f2fd4eca)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
gh-135805: Document the X option and env var for controlling thread-local bytecode (GH-135868)
Document the X option and env var for controlling thread-local bytecode.
(cherry picked from commit fea5ccc55d)
Co-authored-by: mpage <mpage@meta.com>
gh-135487: fix `reprlib.Repr.repr_int` when given very large integers (GH-135506)
(cherry picked from commit e5f03b94b6)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
gh-135494: Fix python -m test --pgo -x test_re (GH-135713)
Fix regrtest to support excluding tests from --pgo tests.
(cherry picked from commit 15c6d63fe6)
Co-authored-by: Victor Stinner <vstinner@python.org>
Adds a note about flush/close on copyfileobj, and updates
the Emscripten build script to follow documented advice.
(cherry picked from commit 34393cbdd4)
Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>
Fix example according to PEP 750 in "What's new in 3.14" (GH-134727)
A redundant extra part was written. Added a closing tag, to match the usage in PEP 750.
(cherry picked from commit 2793b68f75)
Co-authored-by: Vincent Poulailleau <vpoulailleau@gmail.com>
Docs: Use `arguments` to replace `args` in `argparse.rst` (GH-135510)
(cherry picked from commit caad163b69)
Co-authored-by: Yongzi Li <204532581+Yzi-Li@users.noreply.github.com>
gh-134986: Catch PermissionError when trying to call perf in tests (GH-134987)
Using Ubuntu 24.04 on the Windows Subsystem for Linux, perf will raise a
`PermissionError` instead of `FileNotFoundError`. This commit modifies
the tests to catch that.
(cherry picked from commit 6ab842fce5)
Co-authored-by: Emma Smith <emma@emmatyping.dev>
Temporarily skip test_os.test_mode on Emscripten; this fails consistently
on the buildbot, but not on other test configurations. Reported as GH-135783
for follow up.
(cherry picked from commit f4911258a8)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
gh-135557: use atomic stores in `heapq` operations in free-threading (GH-135601)
(cherry picked from commit 13cac83347)
Co-authored-by: Xuanteng Huang <44627253+xuantengh@users.noreply.github.com>
We weren't handling non-positive maxsize values (including the default) properly
in Queue.full(). This change fixes that and adjusts an associated assert.
(cherry picked from commit c5ea8e8e8, AKA gh-135724)
Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
Docs: Document `PyExceptionClass` functions in the C API (GH-135697)
* Docs: Document `PyExceptionClass_Name`
`PyExceptionClass_Name` is an undocumented function in the limited API.
* Document `PyExceptionClass_Check`
(cherry picked from commit 59963e866a)
Co-authored-by: Yuki Kobayashi <drsuaimqjgar@gmail.com>
gh-89083: add links to RFC 9562 sections in UUID docs (GH-135684)
We also sync the docs for UUIDv1 and UUIDv6 concerning the node address and clock sequence.
---------
(cherry picked from commit b881e3db1e)
Co-authored-by: Weilin Du <108666168+LamentXU123@users.noreply.github.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
gh-135608: Add a null check for attribute promotion to fix a JIT crash (GH-135613)
Co-authored-by: devdanzin <74280297+devdanzin@users.noreply.github.com>
gh-135561: ensure that the GIL is held when handling an HACL* error in `_hmac` (GH-135562)
(cherry picked from commit c765683398)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Docs: Add missing lines between regex and text (GH-134505)
(cherry picked from commit 754190287e)
Co-authored-by: Rafael Fontenelle <rffontenelle@users.noreply.github.com>
Docs: Emphasize parameter name in `pkgutil.iter_importers` (GH-135597)
(cherry picked from commit ff639af8ee)
Co-authored-by: Rafael Fontenelle <rffontenelle@users.noreply.github.com>
gh-126112: Fix test_os.TimerfdTests: use 10 ms resolution (GH-135681)
Use 10 ms for CLOCK_RES instead of 100 ms to tolerate slow buildbots.
(cherry picked from commit 5c25c884b9)
Co-authored-by: Victor Stinner <vstinner@python.org>
Most importantly, this resolves the issues with functions and types defined in __main__.
It also expands the number of supported objects and simplifies the implementation.
(cherry picked from commit 725da50520, AKA gh-133957)
Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
The assertion reflected a misunderstanding of situations where "hidden" variables might exist,
namely generator expressions and comprehensions.
(cherry picked from commit 15f2bac02c, AKA gh-135466)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Docs: Fix markups for emphasis (GH-135598)
The word emphasis character `_` is not supported as sphinx markup, so changed to `*`.
(cherry picked from commit 46c60e0d0b)
Co-authored-by: Yuki Kobayashi <drsuaimqjgar@gmail.com>
* Remove duplicated code. Tests for Random and SystemRandom now share
the code.
* Move implementation agnostic tests that was only run for SystemRandom,
so they are now run for Random too.
* Add tests for __index__() support.
* Add tests for randint().
(cherry picked from commit c55512311b)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-135335: flush stdout/stderr in forkserver after preloading modules (GH-135338)
If a preloaded module writes to stdout or stderr, and the stream is buffered,
child processes will inherit the buffered data after forking. Attempt to
prevent this by flushing the streams after preload.
(cherry picked from commit 9877d191f4)
Co-authored-by: Duane Griffin <duaneg@dghda.com>
Co-authored-by: Mikhail Efimov <efimov.mikhail@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
iOS and Android don't ship headers in the testbed, so we can't test for their existence.
(cherry picked from commit 1c7efaf58a)
Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>
Large files have been fully supported by Emscripten for a long time.
(cherry picked from commit 01c80b2650)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
gh-119180: Only fetch globals and locals if necessary in `annotationlib.get_annotations()` (GH-135644)
(cherry picked from commit 504ae606e1)
Co-authored-by: Victorien <65306057+Viicos@users.noreply.github.com>
The Emscripten path resolver uses the same mechanism for resolving `..`
at a file system root as for resolving symlinks. This is because
roots don't store their mountpoints. If the parent of a node is itself,
it is a root but it might be a mountpoint in some other file system.
If a path has enough `..`'s at the root, it will return ELOOP.
Enough turns out to be 49.
(cherry picked from commit e4ccd46bf7)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
Check for existence of os.link, rather than assuming it exists.
(cherry picked from commit ce58afb400)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
Emscripten currently `gethostbyname_r()` returns an incorrect
IP address for `localhost`. Will be resolved by upstream PR:
https://github.com/emscripten-core/emscripten/pull/24593
(cherry picked from commit 2a49c54ab2)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
Fixes the test on Emscripten where userbase can be missing.
(cherry picked from commit 28c71ee4b2)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
As noted in the new tests, there are a few situations we must carefully accommodate
for functions that get pickled during interp.call(). We do so by running the script
from the main interpreter's __main__ module in a hidden module in the other
interpreter. That hidden module is used as the function __globals__.
(cherry picked from commit 269e19e0a7, AKA gh-135595)
Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
gh-132815: Add support for JUMP_BACKWARD in specialization stats (GH-135606)
(cherry picked from commit a9e66a7c50)
Co-authored-by: PuQing <me@puqing.work>
gh-134632: Fix `build-details.json` to use `INCLUDEPY` path (GH-134633)
* gh-134632: Fix `build-details.json` to use `INCLUDEPY` path
Fix ``build-details.json`` generation to use ``INCLUDEPY``, in order to
reference the ``pythonX.Y`` subdirectory of the include directory, as
required in :pep:`739`, instead of the top-level include directory.
* test_build_details: Add tests for the c_api section
* test_build_details: Expect pkgconfig for CPython unconditionally
(cherry picked from commit 0d582def34)
Co-authored-by: Michał Górny <mgorny@gentoo.org>
gh-123299: Add PEP 779 to What's New in Python 3.14 (GH-135555)
(cherry picked from commit c51f241c97)
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
For several builtin functions, we now fall back to __main__.__dict__ for the globals
when there is no current frame and _PyInterpreterState_IsRunningMain() returns
true. This allows those functions to be run with Interpreter.call().
The affected builtins:
* exec()
* eval()
* globals()
* locals()
* vars()
* dir()
We take a similar approach with "stateless" functions, which don't use any
global variables.
(cherry picked from commit a450a0ddec, AKA gh-135491)
Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
Remove `experimental` qualification for free-threading in the document text. Note that images included in the document will be updated later in the release cycle.
(cherry picked from commit 7c685894cd)
Co-authored-by: Ned Deily <nad@python.org>
Use critical sections to make heapq methods that update the heap thread-safe when the GIL is disabled.
(cherry picked from commit a58026a5e3)
Co-authored-by: Alper <alperyoney@fb.com>
Co-authored-by: mpage <mpage@meta.com>
Use `ma_used` instead of `ma_keys->dk_nentries` for modification check
so that we only check if the dictionary is modified, not if new keys are
added to a different dictionary that shared the same keys object.
(cherry picked from commit d8994b0a77)
Co-authored-by: Sam Gross <colesbury@gmail.com>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
---------
(cherry picked from commit f079979599)
Co-authored-by: Donghee Na <donghee.na@python.org>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: T. Wouters <thomas@python.org>
gh-67022: Document bytes/str inconsistency in email.header.decode_header() and suggest email.headerregistry.HeaderRegistry as a sane alternative (GH-92900)
* gh-67022: Document bytes/str inconsistency in email.header.decode_header()
This function's possible return types have been surprising and error-prone
for the entirety of its Python 3.x history. It can return either:
1. `typing.List[typing.Tuple[bytes, typing.Optional[str]]]` of length >1
2. or `typing.List[typing.Tuple[str, None]]`, of length exactly 1
This means that any user of this function must be prepared to accept either
`bytes` or `str` for the first member of the 2-tuples it returns, which is a
very surprising behavior in Python 3.x, particularly given that the second
member of the tuple is supposed to represent the charset/encoding of the
first member.
This patch documents the behavior of this function, and adds test cases
to demonstrate it.
As discussed in bpo-22833, this cannot be changed in a backwards-compatible
way, and some users of this function depend precisely on the existing
behavior.
Add warnings about obsolescence of 'email.header.decode_header' and 'email.header.make_header' functions.
Recommend use of `email.headerregistry.HeaderRegistry` instead, as suggested
in https://github.com/python/cpython/pull/92900#discussion_r1112472177
(cherry picked from commit 60181f4ed0)
Co-authored-by: Dan Lenski <dlenski@gmail.com>
gh-135171: Update documentation for the generator expression (GH-135351)
* gh-135171: Update documentation for the generator expression
Document that the iterator for the leftmost "for" clause is created
immediately.
* Update Doc/reference/expressions.rst
---------
(cherry picked from commit 8979d3afe3)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Brian Skinn <brian.skinn@gmail.com>
In this refactor we:
* move some code around
* make a couple of typedefs opaque
* decouple errors from session state
* improve tracebacks for propagated exceptions
This change helps simplify several upcoming changes.
(cherry picked from commit c7f4a80079, AKA gh-135369)
Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
End-of-file errors are now handled according to the HTML5 specs --
comments and declarations are automatically closed, tags are ignored.
(cherry picked from commit 6eb6c5dbfb)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-132969: Fix error/hang when shutdown(wait=False) and task exited abnormally (GH-133222)
When shutdown is called with wait=False, the executor thread keeps running
even after the ProcessPoolExecutor's state is reset. The executor then tries
to replenish the worker processes pool resulting in an error and a potential hang
when it comes across a worker that has died. Fixed the issue by having
_adjust_process_count() return without doing anything if the ProcessPoolExecutor's
state has been reset.
Added unit tests to validate two scenarios:
max_workers < num_tasks (exception)
max_workers > num_tasks (exception + hang)
(cherry picked from commit 598aa7cc98)
Co-authored-by: Ajay Kamdar <140011370+ogbiggles@users.noreply.github.com>
gh-106318: Add example for `str.endswith()` (GH-134523)
(cherry picked from commit eed827ed09)
Co-authored-by: Blaise Pabon <blaise@gmail.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Revert "gh-135410: use a critical section around `StringIO.__next__` (GH-135412)" (GH-135439)
This reverts commit e6c3039cb3.
(cherry picked from commit 73431356d3)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
PEP-734 has been accepted (for 3.14).
(FTR, I'm opposed to putting this under the concurrent package, but
doing so is the SC condition under which the module can land in 3.14.)
(cherry picked from commit 62143736b, AKA gh-133958)
gh-135410: use a critical section around `StringIO.__next__` (GH-135412)
(cherry picked from commit e6c3039cb3)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
On some iPad versions, Safari reports as "macOS". Modifies the GC trampoline detection
to add a feature-based check to detect this case.
(cherry picked from commit d447129758)
Co-authored-by: Gyeongjae Choi <def6488@gmail.com>
Fix presentation of dataclasses' `unsafe_hash` default value (GH-116532)
(cherry picked from commit 71f5fafdfb)
Co-authored-by: Victorien <65306057+Viicos@users.noreply.github.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
gh-133264: Correct documentation of how Py_Main and Py_RunMain handle SystemExit (GH-135337)
(cherry picked from commit b706ff003c)
Co-authored-by: Malcolm Smith <smith@chaquo.com>
gh-135326: Test support of __index__ in random.getrandbits() (GH-135356)
(cherry picked from commit 5ae669fc4e)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* gh-91048: Reorder result tuple of parse_code_object (GH-134898)
Reorder result tuple of parse_code_object
The standard followed by APIs like pstat.Stats is to take a file, line,
function triplet. The parse_code_object function (and callers exposing
this in Python like RemoteUnwinder.get_stack_trace) return function,
file, line triplets which requires the caller to reorder these when
using it in classes like pstat.Stats.
(cherry picked from commit 8e8786f898)
Co-authored-by: László Kiss Kollár <kiss.kollar.laszlo@gmail.com>
* Reorder asyncio
---------
Co-authored-by: László Kiss Kollár <kiss.kollar.laszlo@gmail.com>
Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
gh-130077: Properly match full soft keywords in the parser (GH-135317)
(cherry picked from commit ff2b5f40c2)
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
Apply Intel Control-flow Technology for x86-64 on asm_trampoline.S.
Required for mitigation against return-oriented programming (ROP)
and Call or Jump Oriented Programming (COP/JOP) attacks.
Manual application is required for the assembly files.
See also: https://sourceware.org/annobin/annobin.html/Test-cf-protection.html
Docs: fix docstring of `email.message.Message.add_header` (GH-134355)
(cherry picked from commit c23eec2960)
Co-authored-by: Alexander Shadchin <shadchin@yandex-team.com>
Fix warnings `set but not used [-Wunused-but-set-variable]` in remote_debug.h (GH-135290)
(cherry picked from commit 49fc1f215a)
Co-authored-by: Chris Eibl <138194463+chris-eibl@users.noreply.github.com>
Fix definition of `_Py_RemoteDebug_` symbols for static linking (GH-135146)
(cherry picked from commit 2e1ad6eb26)
Co-authored-by: Zanie Blue <contact@zanie.dev>
Prepare the docs for using the notation used in the `python.gram`
file. If we want to sync the two, the meta-syntax should be the same.
Link the Full Grammar docs here; keep only a few extras.
Also, remove the distinction between lexical and syntactic rules,
except for whitespace handling.
With f- and t-strings, the line between the two is blurry.
(cherry picked from commit 28d91d06f1)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Blaise Pabon <blaise@gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
Co-authored-by: Colin Marquardt <cmarqu42@gmail.com>
bpo-45210: Document that error indicator may be set in tp_dealloc (GH-28358)
(cherry picked from commit 8441b263af)
Signed-off-by: Edward Z. Yang <ezyang@fb.com>
Signed-off-by: Edward Z. Yang <ezyang@meta.com>
Co-authored-by: Edward Z. Yang <ezyang@mit.edu>
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-133968: Add PyUnicodeWriter_WriteASCII() function (#133973)
Replace most PyUnicodeWriter_WriteUTF8() calls with
PyUnicodeWriter_WriteASCII().
(cherry picked from commit f49a07b531)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
GH-135287: clang-cl PGO builds on Windows fail with `could not open '/GENPROFILE'` (GH-135289)
(cherry picked from commit 0045100ccb)
Co-authored-by: Chris Eibl <138194463+chris-eibl@users.noreply.github.com>
* gh-135276: Refresh `zipfile.Path` from zipp 3.23 (GH-135277)
Apply changes from zipp 3.23
(cherry picked from commit 8d6eb0c262)
Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
* Removed features slated for Python 3.15 only.
---------
Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
gh-134976: document the exception type that can be raised by `s[i]` (GH-134977)
(cherry picked from commit 158e5162bf)
Co-authored-by: Yongzi Li <204532581+Yzi-Li@users.noreply.github.com>
gh-135244: generate UUID random Node ID with a CSPRNG as per RFC 9562, §6.10.3 (GH-135226)
This aligns with the recommendations of RFC 9562, Section 6.10, paragraph 3 [1].
[1]: https://www.rfc-editor.org/rfc/rfc9562.html#section-6.10-3.
---------
(cherry picked from commit 1cb7163872)
Co-authored-by: LamentXU <108666168+LamentXU123@users.noreply.github.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
gh-134876: Add fallback for when process_vm_readv fails with ENOSYS (GH-134878)
(cherry picked from commit ac9c3431cc)
Co-authored-by: Daniel Golding <goldingd89@gmail.com>
gh-134155: fix AttributeError in email._header_value_parser.get_address (GH-134194)
Append the defect to defects instead of to the parse tree.
(cherry picked from commit d9cad074d5)
Co-authored-by: Sergey Miryanov <sergey.miryanov@gmail.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
gh-134160: Use PyModuleDef.m_free in the example module xxlimited (GH-135174)
(cherry picked from commit 1adca08d65)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: neonene <53406459+neonene@users.noreply.github.com>
feat(docs): type fix - apply pep8 by using docstring instead of comment in the doc. (GH-135181)
Giving the right example incitates the tutorial readers to do the same in the future.
(cherry picked from commit 343182853f)
Co-authored-by: Jean-Louis GUENEGO <jlguenego@gmail.com>
gh-134993: Add os.lstat() to os.supports_dir_fd (GH-135188)
(cherry picked from commit e004cf8fd5)
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-135155: Added dependencies required for compiling the _zstd module (GH-135156)
(cherry picked from commit a7d41e8aab)
Co-authored-by: Weipeng Hong <hongweichen8888@sina.com>
We were incorrectly handling a few opcodes that leave their operands on the stack. Treat all of these conservatively; assume that they always leave operands on the stack.
(cherry picked from commit 6b77af257c)
gh-135166: Fix exception type expected by test.test_zstd (GH-135167)
(cherry picked from commit 1b55e12766)
Co-authored-by: Weipeng Hong <hongweichen8888@sina.com>
gh-134989: Fix Py_RETURN_NONE in the limited C API (GH-135165)
Fix Py_RETURN_NONE, Py_RETURN_TRUE and Py_RETURN_FALSE macros in the
limited C API 3.11 and older:
Don't treat Py_None, Py_True and Py_False as immortal.
(cherry picked from commit 9258f3da91)
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-135124: Change stdout errors in regrtest worker process (GH-135138)
Set sys.stdout encoder error handler to backslashreplace in regrtest
workers to avoid UnicodeEncodeError when printing a traceback
or any other non-encodable character.
Move the code from the Regrtest class to setup_process().
Call setup_process() earlier, before displaying regrtest headers.
(cherry picked from commit 3d396ab759)
Co-authored-by: Victor Stinner <vstinner@python.org>
Modifies the environment handling and execution arguments of the Android management
script to support the compilation of third-party binaries, and the use of the testbed to
invoke third-party test code.
(cherry picked from commit 2e1544fd2b)
Co-authored-by: Malcolm Smith <smith@chaquo.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Russell Keith-Magee <russell@keith-magee.com>
gh-134989: Implement PyObject_DelAttr() as a macro in the limited C API (GH-135021)
(cherry picked from commit c21113072c)
Co-authored-by: Victor Stinner <vstinner@python.org>
The `test_ssl_in_multiple_threads` test failed because `test_check_hostname_idn()`
modified the global warnings filters via `warnings_helper.check_no_resource_warning()`.
Only check for warnings when the context aware warnings feature is enabled, which makes
the warnings filter context-local and thread-safe.
(cherry picked from commit 40c8be0008)
Co-authored-by: Thomas Grainger <tagrain@gmail.com>
On Windows, the `_PyOS_SigintEvent()` event handle is used to interrupt
the main thread when Ctrl-C is pressed. Previously, we also waited on
the event from other threads, but ignored the result. However, this can
race with interpreter shutdown because the main thread closes the handle
in `_PySignal_Fini` and threads may still be running and using mutexes
during interpreter shtudown.
Only use `_PyOS_SigintEvent()` in the main thread in parking_lot.c, like
we do in other places in the CPython codebase.
(cherry picked from commit cc581f32bf)
Co-authored-by: Sam Gross <colesbury@gmail.com>
Use a more clear example for the PEP 758 what's new section (GH-135118)
(cherry picked from commit 1f51510444)
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
On a fresh Xcode install (including some CI provider configurations), there is
no pre-existing testing set that can be used to identify simulator models. Use
the default device set to detect available models instead. Live testing
simulators are still created in the testing set.
(cherry picked from commit dba9de731b)
Co-authored-by: Joe Rickerby <joerick@mac.com>
The `getlogin` function is not thread-safe: replace with `getlogin_r` where
available.
(cherry picked from commit 1ffe913c20)
Co-authored-by: Duane Griffin <duaneg@dghda.com>
gh-134248 test_getallocatedblocks pre-check to ignore immortalized strings (GH-134871)
When sanity checking against gettotalrefcount(), we exclude the blocks for
immortalized strings since their references are not tracked/reported. This
now matches refleak.py's book-keeping using the same functions.
(cherry picked from commit 54ca55978e)
Co-authored-by: tpburns <trevorpburns@gmail.com>
Apply Intel Control-flow Technology for x86-64 on asm_trampoline.S.
Required for mitigation against return-oriented programming (ROP)
and Call or Jump Oriented Programming (COP/JOP) attacks.
Manual application is required for the assembly files.
See also: https://sourceware.org/annobin/annobin.html/Test-cf-protection.html
gh-134875: Fix mimallc build error for the old compilers (gh-134994)
(cherry picked from commit b525e31b7f)
Co-authored-by: Donghee Na <donghee.na@python.org>
Make them similar to PyArg_Parse error messages, mention None as
a possible value, show a wrong type and the string length.
(cherry picked from commit df98a47a61)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
50 producer and 50 consumer threads need more than 5GB of memory.
(cherry picked from commit 7a79f52d83)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
The `textiowrapper_iternext` function called `_textiowrapper_writeflush`, but did not
use a critical section, making it racy in free-threaded builds.
(cherry picked from commit 44fb7c361c)
Co-authored-by: Duane Griffin <duaneg@dghda.com>
gh-134449: fix grammar for `precision_with_grouping` in format description (GH-134608)
This amends commit f39a07be47.
(cherry picked from commit 7828d52680)
Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
OpenSSL and HACL*-based hash functions constructors now support both `data` and `string` parameters.
Previously these constructor functions inconsistently supported sometimes `data` and sometimes `string`,
while the documentation expected `data` to be given in all cases.
(cherry picked from commit c6e63d9d35)
(cherry picked from commit 379d0bc956)
Fix the "unknown action" exception in argparse.ArgumentParser.add_argument_group()
to correctly replace the action class.
(cherry picked from commit 965c480566)
Co-authored-by: Michał Górny <mgorny@gentoo.org>
gh-133489: Remove size restrictions on getrandbits() and randbytes() (GH-133658)
random.getrandbits() can now generate more that 2**31 bits.
random.randbytes() can now generate more that 256 MiB.
(cherry picked from commit 68784fed78)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-134835: Remove outdated list from `howto/urllib2.rst` (GH-134844)
🫖
(cherry picked from commit 3704171415)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
gh-134954: Hard-cap max file descriptors in subprocess test fd_status (GH-134955)
* Hard-cap max file descriptors in subprocess test fd_status
On some systems, `SC_OPEN_MAX` may return a very large value (i.e. 10**30), leading to the subprocess test timing out (or run forever).
Prevent this situation by applying a hard cap on how many file descriptors are checked.
* Fix typo in usage docstring
s/fd_stats/fd_status/
(cherry picked from commit f58873e4b2)
Co-authored-by: Itamar Oren <itamarost@gmail.com>
It now supports most callables, full args, and return values.
(cherry picked from commit 52deabe, AKA gh-133484)
Co-authored-by: Eric Snow ericsnowcurrently@gmail.com
Remove doctest module frames from tracebacks and redundant newline
character from a failure message.
(cherry picked from commit cb8a72b301)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-134768: Fix definition of `mt_continue_should_break()` (GH-134769)
In 121ed71f4e, mt_continue_should_break
was changed to be guarded by `Py_DEBUG`, but it's used in `compress_mt_continue_lock_held`
with just `assert`, so it needs to be available when `NDEBUG` is undefined
too.
`Py_DEBUG` implies `NDEBUG` is undefined, so we can check just that.
(cherry picked from commit 2f2bee2111)
Fixes: 121ed71f4e
Co-authored-by: Sam James <sam@gentoo.org>
Contrary to the current docs, ast.Constant will never hold containers
such as frozenset or tuple; the Python parser only emits it for simple
literals.
For precision, add the exact list of types that may be contained in an
ast.Constant.
(cherry picked from commit 381020d41f)
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
gh-132775: Fix _PyFunctIon_VerifyStateless() ()
The problem we're fixing here is that we were using PyDict_Size() on "defaults",
which it is actually a tuple. We're also adding some explicit type checks.
This is a follow-up to gh-133221/gh-133528.
(cherry picked from commit dafd14146f, AKA gh-134900)
Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
This adds a warning about the possibly-missing NUL terminator, but in a way
that doesn't make it sound like a bug/wart.
(cherry picked from commit b783e1791b)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
(cherry picked from commit 0c5a8b0b55)
Includes fix for off-by-one error from GH-134867
(cherry-picked from commit e64395e8eb)
Co-authored-by: Emma Smith <emma@emmatyping.dev>
Co-authored-by: Semyon Moroz <donbarbos@proton.me>
(cherry picked from commit e9d845b41d)
Includes fix for off-by-one error from GH-134867
(cherry-picked from commit e64395e8eb)
Co-authored-by: Emma Smith <emma@emmatyping.dev>
GH-134848: Use a set to store ``AuditEvents.sources`` (GH-134849)
(cherry picked from commit b265a7ddeb)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
gh-132983: Convert dict_content to take Py_buffer in ``ZstdDict()`` (GH-133924)
(cherry picked from commit f2ce4bbdfd)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
gh-133711: Fix test_readline.test_nonascii() for UTF-8 Mode (GH-134841)
Skip the test if the Python UTF-8 Mode is enabled and the LC_CTYPE
encoding is not UTF-8.
(cherry picked from commit 4635115c3f)
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-133711: Fix test_regrtest for PYTHONUTF8=1 (GH-134839)
Use "backslashreplace" error handler to decode stdout and stderr.
Example:
vstinner@WIN C:\victor\python\main\build\test_python_worker_8360\x91>
"C:\victor\python\main\PCbuild\amd64\python_d.exe" -m test
--fast-ci --slow-ci --testdir
C:\Users\vstinner\AppData\Local\Temp\tmp0t59e8da
test_regrtest_noop1 test_regrtest_noop2 test_regrtest_noop3
test_regrtest_noop4
Notice the "\x91" byte at the end of the first line: it's the
non-ASCII U+00E6 character encoded to the OEM cp437 code page.
(cherry picked from commit 91618278e7)
Co-authored-by: Victor Stinner <vstinner@python.org>
Update outdated statement from `math` about C standard (GH-134621)
(cherry picked from commit 21672b694b)
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Adam Turner <9087854+aa-turner@users.noreply.github.com>
Fix typing.TYPE_CHECKING docs to reflect PEP 649. (GH-134813)
typing.TYPE_CHECKING should no longer steer users towards
manual or automatic stringization (and PEP 563); PEP 649
makes all that unnecessary.
(cherry picked from commit d7256ae4d7)
Co-authored-by: larryhastings <larry@hastings.org>
This is the same underlying bug as gh-130519. The destructor may call
arbitrary code, changing the `tstate->qsbr pointer` and invalidating the
old `struct _qsbr_thread_state`.
(cherry picked from commit a4d37f88b6)
Co-authored-by: Sam Gross <colesbury@gmail.com>
gh-134789: Document del s[i] operation for mutable sequences (GH-134804)
[main] Update stdtypes.rst
- Added explicit mention of `del s[i]` (item deletion by index) to the Mutable Sequence Types section.
- Clarified that this operation removes the item at the specified index from the sequence.
- Addresses issue GH-134789.
(cherry picked from commit 967f361993)
Co-authored-by: Rishabh Singh <67859818+rishabh11336@users.noreply.github.com>
gh-132917: fix data race on `last_mem` in free-threading gc (GH-134692)
(cherry picked from commit ac539e7e0d)
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
This is a small follow-up to gh-133481. There's a corner case
in the behavior of PyImport_ImportModuleAttrString(), where
it expects __builtins__ to be set if __globals__ is set.
(cherry picked from commit 9b5e80000, AKA gh-134758)
Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
gh-133678: Document C API third party tools (GH-134526)
(cherry picked from commit c3c88064f5)
Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Steve Dower <steve.dower@python.org>
gh-62824: Adjust test_alias_modules_exist test to use imports instead of file checks (GH-134777)
(cherry picked from commit 8704d6b391)
Co-authored-by: Miro Hrončok <miro@hroncok.cz>
gh-134752: Improve speed of test_tokenize.StringPrefixTest.test_prefixes. (GH-134766)
(cherry picked from commit 579686d9fb)
Co-authored-by: Eric V. Smith <ericvsmith@users.noreply.github.com>
gh-134160: Use multi-phase init in documentation examples (GH-134296)
(cherry picked from commit 96905bdd27)
Co-authored-by: neonene <53406459+neonene@users.noreply.github.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
gh-134675: Add t-string prefixes to tokenizer module, lexical analysis doc, and add a test to make sure we catch this error in the future. (GH-134734)
* Add t-string prefixes to _all_string_prefixes, and add a test to make sure we catch this error in the future.
* Update lexical analysis docs for t-string prefixes.
(cherry picked from commit 08c78e02fa)
Co-authored-by: Eric V. Smith <ericvsmith@users.noreply.github.com>
Disable immortalization around Py_CompileString*().
The same approach as 332356b that fixed the refleaks in compile() and eval().
E: 09e72cf can pass test_capi, test_sys and test__interpchannels with this patch for me.
(cherry picked from commit c60f39ada6, AKA gh-134686)
Co-authored-by: neonene <53406459+neonene@users.noreply.github.com>
gh-134637: Fix performance regression in calling `ctypes` function pointer in `free threading`. (GH-134702)
Fix performance regression in calling `ctypes` function pointer in `free threading`.
(cherry picked from commit 3c0525126e)
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
gh-119180: Updates to PEP 649/749 docs (GH-134640)
- Mention (again) that `type.__annotations__` is unsafe. It is now safe
when using only classes defined under PEP 649 semantics, but not with
classes defined using `from __future__ import annotations`.
- Mention that annotations on instances no longer work. There was already
an issue about this.
- Mention the general changes in the "Porting to Python 3.14" section.
- `annotationlib` was proposed by PEP-749, not PEP-649.
(cherry picked from commit 7291eaba8b)
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Co-authored-by: Emma Smith <emma@emmatyping.dev>
Co-authored-by: Carol Willing <carolcode@willingconsulting.com>
gh-132493: Remove __annotations__ usage in inspect._signature_is_functionlike (GH-133415)
This check is potentially problematic because it could force evaluation of
annotations unnecessarily. This doesn't trigger for builtin objects (functions,
classes, or modules) with annotations, but it could trigger for third-party objects.
The check was not particularly useful anyway, because it succeeds if ``__annotations__``
is a dict or None, so the only thing this did was guard against objects that have an
``__annotations__`` attribute that is of some other type. That doesn't seem particularly
useful, so I just removed the check.
(cherry picked from commit cb6596c6aa)
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
gh-132876: workaround broken ldexp() on Windows 10 (GH-133135)
* gh-132876: workaround broken ldexp() on Windows 10
ldexp() fails to round subnormal results before Windows 11,
so hide their bug.
(cherry picked from commit cf8941c603)
Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
Co-authored-by: Tim Peters <tim.peters@gmail.com>
gh-91048: Refactor and optimize remote debugging module (#134652)
Completely refactor Modules/_remote_debugging_module.c with improved
code organization, replacing scattered reference counting and error
handling with centralized goto error paths. This cleanup improves
maintainability and reduces code duplication throughout the module while
preserving the same external API.
Implement memory page caching optimization in Python/remote_debug.h to
avoid repeated reads of the same memory regions during debugging
operations. The cache stores previously read memory pages and reuses
them for subsequent reads, significantly reducing system calls and
improving performance.
Add code object caching mechanism with a new code_object_generation
field in the interpreter state that tracks when code object caches need
invalidation. This allows efficient reuse of parsed code object metadata
and eliminates redundant processing of the same code objects across
debugging sessions.
Optimize memory operations by replacing multiple individual structure
copies with single bulk reads for the same data structures. This reduces
the number of memory operations and system calls required to gather
debugging information from the target process.
Update Makefile.pre.in to include Python/remote_debug.h in the headers
list, ensuring that changes to the remote debugging header force proper
recompilation of dependent modules and maintain build consistency across
the codebase.
Also, make the module compatible with the free threading build as an extra :)
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
(cherry picked from commit 42b25ad4d3)
gh-115999: Add PyCodeObject.co_tlbc to the debug offsets (GH-134286)
(cherry picked from commit dd7f113057)
Signed-off-by: Pablo Galindo <pablogsal@gmail.com>
Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>
gh-133960: Improve typing.evaluate_forward_ref (GH-133961)
As explained in GH-133960, this removes most of the behavior differences with ForwardRef.evaluate.
The remaining difference is about recursive evaluation of forwardrefs; this is practically useful
in cases where an annotation refers to a type alias that itself is string-valued.
This also improves several edge cases that were previously not handled optimally. For example,
the function now takes advantage of the partial evaluation behavior of ForwardRef.evaluate() to
evaluate more ForwardRefs in the FORWARDREF format.
This also fixes GH-133959 as a side effect, because the buggy behavior in GH-133959 derives from
evaluate_forward_ref().
(cherry picked from commit 57fef27cfc)
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
annotationlib docs: note that ForwardRef.evaluate eventually defaults to empty globals (GH-134661)
(cherry picked from commit b51b08a0a5)
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
gh-134582: Fix t-strings untokenize() roundtrip removing space between braces (GH-134603)
(cherry picked from commit 52509cc94b)
Co-authored-by: Loïc Simon <loic.pano@gmail.com>
gh-133684: Fix get_annotations() where PEP 563 is involved (GH-133795)
(cherry picked from commit 3e562b3942)
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
[3.14] gh-134168: fix `http.server` CLI support for IPv6 and `--directory` when serving over HTTPS (GH-134169)
(cherry picked from commit 2fd09b0110)
Co-authored-by: ggqlq <124190229+ggqlq@users.noreply.github.com>
gh-80334: fix multiprocessing.freeze_support for other spawn platforms (GH-134462)
Doc/library/multiprocessing.rst: freeze_support: Change to specify spawn method instead of platform
Have multiprocessing.freeze_support() enable on spawn, not just win32.
---------
(cherry picked from commit 80284b5c5e)
Co-authored-by: Eddy Mulyono <eddymul@gmail.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
gh-128840: Limit the number of parts in IPv6 address parsing (GH-128841)
GH-128840: Limit the number of parts in IPv6 address parsing
Limit length of IP address string to 39
---------
(cherry picked from commit 47f1161d3a)
Co-authored-by: Seth Michael Larson <seth@python.org>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
gh-132983: Make _zstd C code PEP 7 compliant (GH-134605)
Make _zstd C code PEP 7 compliant
(cherry picked from commit 973b8f69d3)
Co-authored-by: Emma Smith <emma@emmatyping.dev>
Further improves Advanced installation docs for PyManager (GH-134541)
(cherry picked from commit 99a9ab1c64)
Co-authored-by: Steve Dower <steve.dower@python.org>
Move from using critical sections to locks for the (de)compression methods.
Since the methods allow other threads to run, we should use a lock rather
than a critical section.
(cherry picked from commit 8dbc119719)
Co-authored-by: Emma Smith <emma@emmatyping.dev>
gh-134451: Converted `asyncio.tools.CycleFoundException` from dataclass to a regular exception type. (GH-134513)
(cherry picked from commit f9324cb3cb)
Co-authored-by: Evgeny Demchenko <v1mpire@icloud.com>
gh-114177: avoid calling connection lost callbacks when loop is already closed in asyncio subprocess (GH-134508)
(cherry picked from commit 5804ee7b46)
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
GH-130397: remove special-casing of C stack depth for WASI (GH-134469)
Removed special-casing for WASI when setting C stack depth limits. Since WASI has its own C stack checking this isn't a security risk.
Also disabled some tests that stopped passing. They all happened to have already been disabled under Emscripten.
(cherry picked from commit ad42dc1909)
Co-authored-by: Brett Cannon <brett@python.org>
This is mostly a refactor to clean things up a bit, most notably the "XI namespace" code.
Making the session opaque requires adding the following internal-only functions:
* _PyXI_NewSession()
* _PyXI_FreeSession()
* _PyXI_GetMainNamespace()
(cherry picked from commit 4a4ac3ab4d, gh-134452)
Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
gh-134322: Fix `repr(threading.RLock)` (GH-134389)
Fix the `__repr__` value of `threading.RLock` from `_thread` module, when just created.
(cherry picked from commit fade146cfb)
Co-authored-by: Duprat <yduprat@gmail.com>
gh-133740: Fix locale.nl_langinfo(ALT_DIGITS) (GH-134468)
Set the LC_CTYPE locale to the LC_TIME locale even if
nl_langinfo(ALT_DIGITS) result is ASCII. The result is a list
separated by NUL characters and the code only checks the first list
item which can be ASCII whereas following items are non-ASCII.
Fix test__locale for the uk_UA locale on RHEL 7.
(cherry picked from commit 899c7dc283)
Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-134370: Added clarification on instance annotations (GH-134387)
Instances of classes cannot have annotations,
however sometimes they will erroneously have the
__annotations__ attribute
(cherry picked from commit bd4046f4f8)
Co-authored-by: Alex Kautz <alex@takemobi.com>
This change includes some semi-related refactoring of queues and channels.
(cherry picked from commit d0eedfa10e, gh-134440)
Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
gh-131357: Add some extra tests for empty bytes and bytearray (GH-134458)
(cherry picked from commit 7309eb60c0)
Co-authored-by: Sergey Miryanov <sergey.miryanov@gmail.com>
Add notes on nogil & reinitialization to the Opt-Out section in Module Isolation HOWTO (GH-134141)
(cherry picked from commit 1f0a294e8c)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Sam Gross <colesbury@gmail.com>
gh-134309: Add ``github.actor`` to the GitHub Actions concurrency key (GH-134310)
When inexperienced users create a PR from their default branch, all of the concurrency keys
collide as there is no namespacing. This becomes an issue at events with many new contributors,
where workflow runs are cancelled on other pull requests.
Disambiguate by adding the username of the relevant 'actor' to the concurrency key.
(cherry picked from commit 979d81a179)
Authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Kira <coldcaption@gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Sviatoslav Sydorenko <sviat@redhat.com>
Co-authored-by: C.A.M. Gerlach <CAM.Gerlach@Gerlach.CAM>
gh-134062: Fix hash collisions in IPv4Network and IPv6Network (GH-134063)
(cherry picked from commit f3fc0c16e0)
gh-134062: Fix hash collisions in IPv4Network and IPv6Network
gh-134062: Add hash collision regression test
Co-authored-by: Mike Salvatore <mike.s.salvatore@gmail.com>
The `__main__` module imported in the `_pyrepl` module points to the `_pyrepl` module itself when the interpreter was launched without `-m` option and didn't execute a module,
while it's an unexpected behavior that `__main__` can be `_pyrepl` and relative imports such as `from . import *` works based on the `_pyrepl` module.
(cherry picked from commit b1b8962443)
Co-authored-by: Yuichiro Tachibana (Tsuchiya) <t.yic.yt@gmail.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
gh-132124: improve safety nets for creating AF_UNIX socket files (GH-134085)
* ensure that we can create AF_UNIX socket files
* emit a warning if system-wide temporary directory is used
(cherry picked from commit 1a07a01014)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
gh-132983: Refactor shared code in train_dict and finalize_dict (GH-134432)
Refactor shared code in train_dict and finalize_dict
(cherry picked from commit c64a21454b)
Co-authored-by: Emma Smith <emma@emmatyping.dev>
This was added in the add of `_io`, isn't used since bpo-21859 when a
`_pyio` implementation was added which defines `FileIO` lower down in
the file.
(cherry picked from commit 0a68068bd2)
Co-authored-by: Cody Maloney <cmaloney@users.noreply.github.com>
Update `test_io` `_check_warn_on_dealloc` to use `self.` to dispatch to
different I/O implementations.
Update the `_pyio` implementation to match expected behavior, using the
same `_dealloc_warn` design as the C implementation uses to report the
topmost `__del__` object.
The FileIO one now matches all the others, so can use IOBase. There was
a missing check on closing (self._fd must be valid), add that check
(cherry picked from commit 5b0e827521)
Co-authored-by: Cody Maloney <cmaloney@users.noreply.github.com>
Test was only testing _io, expanded to cover _pyio.
(cherry picked from commit 06eaf4055c)
Co-authored-by: Cody Maloney <cmaloney@users.noreply.github.com>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
It now supports a "full" fallback to _PyFunction_GetXIData() and then `_PyPickle_GetXIData()`.
There's also room for other fallback modes if that later makes sense.
(cherry picked from commit 88f8102a8f, AKA gh-133482)
Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
Two special methods, __buffer__ and __release_buffer__ were added to
Python 3.12 by PEP 688. The C API Type Object documentation for slots
includes `tp_as_buffer`, and sub-slots `bf_getbuffer`, `bf_releasebuffer`
but does not refer to the Python Data Model version of those. Add the
missing references.
(cherry picked from commit b529b60fc2)
Co-authored-by: Cody Maloney <cmaloney@users.noreply.github.com>
gh-132983: Add documentation for compression.zstd (GH-133911)
Add documentation for compression & compression.zstd.
🎉
---------
(cherry picked from commit d862b6de1b)
Co-authored-by: Emma Smith <emma@emmatyping.dev>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
Co-authored-by: Sumana Harihareswara <sh@changeset.nyc>
Co-authored-by: Martin Panter <vadmium@users.noreply.github.com>
Fix signature of `_curses.assume_default_colors` in the docs (GH-134409)
(cherry picked from commit dcfc91e4e5)
Co-authored-by: sobolevn <mail@sobolevn.me>
gh-133980: use atomic store in `PyObject_GenericSetDict` (GH-133988)
(cherry picked from commit ec39fd2c20)
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
gh-72680: Fix false positives when using zipfile.is_zipfile() (GH-134250)
bpo-28494: Improve zipfile.is_zipfile reliability
The zipfile.is_zipfile function would only search for the EndOfZipfile
section header. This failed to correctly identify non-zipfiles that
contained this header. Now the zipfile.is_zipfile function verifies
the first central directory entry.
Changes:
* Extended zipfile.is_zipfile to verify zipfile catalog
* Added tests to validate failure of binary non-zipfiles
* Reuse 'concat' handling for is_zipfile
(cherry picked from commit 1298511b41)
Co-authored-by: Tim Hatch <timhatch@netflix.com>
Co-authored-by: John Jolly <john.jolly@gmail.com>
(cherry picked from commit a3a3cf6d15)
Co-authored-by: Kevin Hernández <kevin.hernandez@unet.edu.ve>
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Tomas R. <tomas.roun8@gmail.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
gh-134209: use heap-allocated memory in `_curses.window.{instr,getstr}` (GH-134283)
* made curses buffer heap allocated instead of stack
* change docs to explicitly mention the max buffer size
* changing GetStr() function to behave similarly too
* Update Doc/library/curses.rst
* Update instr with proper return error handling
* Update Modules/_cursesmodule.c
* change to strlen and better memory safety
* change from const int to Py_ssize_t
* add mem allocation guard
* update versionchanged to mention it was an increase.
* explicitly use versionchanged 3.14 as that is its own branch now.
TESTED: `python -m test -u curses test_curses`
---------
(cherry picked from commit aadda87b3d)
Co-authored-by: tigerding <43339228+zydtiger@users.noreply.github.com>
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
Co-authored-by: Gregory P. Smith <greg@krypto.org>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
gh-85045: clarified that the underlying buffer of a TextIOBase can be a RawIOBase (GH-134372)
Added a clarification that the underlying binary buffer of a TextIOBase can be a BufferedIOBase OR a RawIOBase
(cherry picked from commit 36eb711d2f)
Co-authored-by: Alex Kautz <alex@takemobi.com>
Adds some additional test xfails for Emscripten stack overflows. Also corrects a test skip for test_io.
(cherry picked from commit 91e6a58e2d)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
Using the if instruction results in slightly shorter trampoline code.
(cherry picked from commit 3b7888bf3d)
Co-authored-by: Hood Chatham <roberthoodchatham@gmail.com>
gh-75459: Doc: C API: Improve object life cycle documentation (GH-125962)
* Add "cyclic isolate" to the glossary.
* Add a new "Object Life Cycle" page.
* Improve docs for related API, with special focus on cross-references and warnings
(cherry picked from commit 3246ea514d)
Co-authored-by: Richard Hansen <rhansen@rhansen.org>
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
gh-127945: Update What's New in Python 3.14 for free-threaded ctypes (GH-134332)
(cherry picked from commit b430e92dd8)
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
gh-129748: Update mimalloc to use atomic store for mi_block_set_nextx (GH-134238)
(cherry picked from commit 317c496223)
Co-authored-by: Donghee Na <donghee.na@python.org>
gh-128307: Update what's new in 3.13 and 3.14 with create_task changes of asyncio (GH-134304)
(cherry picked from commit 28625d4f95)
Co-authored-by: Guido van Rossum <guido@python.org>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
gh-53189: Document peculiarities of InteractiveConsole in relation to pickle (GH-123069)
(cherry picked from commit a31bbc951a)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
UnicodeEncodeError is now handled the same way as OSError during
TarFile member extraction.
(cherry picked from commit 9983c7d441)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-133940: test_strftime incorrectly calculates expected week (GH-134281)
Let the system determine the correct tm_wday and tm_isdst.
(cherry picked from commit e3dda8f818)
Co-authored-by: Gustaf <79180496+GGyll@users.noreply.github.com>
gh-131505: Move len boundary assertions before using len. (GH-131536)
Move len boundary assertions before using len.
(cherry picked from commit c45e661226)
Co-authored-by: naya451 <41294408+naya451@users.noreply.github.com>
* Ensure that created files and dirs are always removed after test.
Now addCleanup() does not conflict with tearDown().
* Use os_helper.unlink() and os_helper.rmdir().
* Import TESTFN from os_helper.
(cherry picked from commit e29171bf8a)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-132983: Call Py_XDECREF rather than PyObject_GC_Del in failed __new__ (GH-133962)
Call Py_XDECREF rather than PyObject_GC_Del in failed __new__
This will call tp_dealloc and clear all members.
(cherry picked from commit e575190abb)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
gh-134201: Expand explanation of Base85 encodings in base64 docs (GH-134288)
Explain history of de-facto standard and how to pick between the two Base-85 encoding functions in the base-64 module.
---------
(cherry picked from commit 66aaad6103)
Co-authored-by: Alek Binion <aleksander.binion@gmail.com>
Co-authored-by: C.A.M. Gerlach <CAM.Gerlach@Gerlach.CAM>
gh-134235: Import Autocomplete for Builtin Modules (GH-134277)
* added enhancement auto completing import with sys builtins
---------
(cherry picked from commit 8421b03b16)
Co-authored-by: Tom Wang <85062819+tommix626@users.noreply.github.com>
Co-authored-by: Hunter <hyoung3@gmail.com>
Extension builders must specify Py_GIL_DISABLED if they want to link to the free-threaded builds.
This was usually the case already, but this change guarantees it in all circumstances.
The 'help("topics")' output was misaligned due to "ASSIGNMENTEXPRESSIONS"
exceeding the implicit maximum default column width of 19 characters.
Reduced the number of columns from 4 to 3 in the listtopics()
function to allow more space for longer topic names.
(cherry picked from commit b22460c44d)
Co-authored-by: Étienne Pelletier <EtiennePelletier@users.noreply.github.com>
Co-authored-by: Łukasz Langa <lukasz@langa.pl>
gh-134150: Clarify distinction between JSON and Python objects (GH-134154)
* gh-134150: Clarify distinction between JSON objects and Python objects in json module docs
* Revert change to JSON introduction
* Clarify occurrences of "object literal" as JSON
(cherry picked from commit fa4e088668)
Co-authored-by: Micha Albert <micha@2231puppy.tech>
Docs: C API: Improve documentation around non-Python threads with subinterpreters (GH-131087)
(cherry picked from commit af6b3b825f)
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
Comments immediately preceding the object's source code are used
if the object has no docstring.
Comments that do not describe the object should be separated from
the following source code by an empty line.
(cherry picked from commit 71cf4dd622)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
The code was changed in 0f7cddc308 (bpo-839496/gh-39531).
(cherry picked from commit ea2d707bd5)
Co-authored-by: Saleh Dehqanpour <salehdeh76@gmail.com>
gh-133286: add explanation about `seq` for pathlib Pattern Language (GH-133340)
(cherry picked from commit ac8df4b589)
Co-authored-by: alexey semenyuk <alexsemenyuk88@gmail.com>
gh-132388: test HACL* and OpenSSL hash functions in pure Python HMAC (GH-134051)
(cherry picked from commit 73d71a416f)
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Bumps the HACL* revision to include recent revisions that corrects issues
building with legacy/cross-platform macOS SDKs.
(cherry picked from commit 1566c34dc7)
Signed-off-by: aeiouaeiouaeiouaeiouaeiouaeiou <aeioudev@outlook.com>
Co-authored-by: aeiouaeiouaeiouaeiouaeiouaeiou <aeioudev@outlook.com>
gh-130000: Release the GIL in winreg when doing Windows API calls (GH-130001)
(cherry picked from commit 7a504b3d5d)
Co-authored-by: AN Long <aisk@users.noreply.github.com>
gh-77065: Use `putwch` instead of `putch` in `getpass.win_getpass` (GH-134058)
(cherry picked from commit 52a7a22a6b)
Co-authored-by: Semyon Moroz <donbarbos@proton.me>
gh-133701: Fix incorrect `__annotations__` on TypedDict defined under PEP 563 (GH-133772)
(cherry picked from commit 9836503b48)
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
gh-132983: Style improvements for `compression.zstd` (GH-133547)
(cherry picked from commit b44c824856)
Co-authored-by: Emma Smith <emma@emmatyping.dev>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
gh-132641: fix race in `lru_cache` under free-threading (GH-133787)
Fix race in `lru_cache` by acquiring critical section on the cache object itself and call the lock held variant of dict functions to modify the underlying dict.
(cherry picked from commit 9ad0c7b0f1)
Co-authored-by: Peter Hawkins <phawkins@google.com>
gh-132983: Fix small issues with zstd support in zipfile (GH-133723)
(cherry picked from commit 35f47d0589)
Co-authored-by: Carey Metcalfe <carey@cmetcalfe.ca>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Co-authored-by: Emma Smith <emma@emmatyping.dev>
gh-133968: Add fast path to PyUnicodeWriter_WriteStr() (GH-133969)
Don't call PyObject_Str() if the input type is str.
(cherry picked from commit fe9f6e829a)
Co-authored-by: Victor Stinner <vstinner@python.org>
If the error handler is used, a new bytes object is created to set as
the object attribute of UnicodeDecodeError, and that bytes object then
replaces the original data. A pointer to the decoded data will became invalid
after destroying that temporary bytes object. So we need other way to return
the first invalid escape from _PyUnicode_DecodeUnicodeEscapeInternal().
_PyBytes_DecodeEscape() does not have such issue, because it does not
use the error handlers registry, but it should be changed for compatibility
with _PyUnicode_DecodeUnicodeEscapeInternal().
(cherry picked from commit 9f69a58623)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
It now supports non-ASCII paths in non-UTF-8 locales and
non-UTF-8 paths in UTF-8 locales.
(cherry picked from commit c09cec5d69)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
gh-132983: Fix compiler warning about unused function ``mt_continue_should_break()`` (GH-133947)
(cherry picked from commit 121ed71f4e)
Co-authored-by: Erlend E. Aasland <erlend@python.org>
* Fix TypeError when formatter_class is a custom subclass of
HelpFormatter.
* Fix TypeError when formatter_class is not a subclass of
HelpFormatter and non-standard prefix_char is used.
* Fix support of colorizing when formatter_class is not a subclass of
HelpFormatter.
* Remove the prefix_chars parameter of HelpFormatter.
(cherry picked from commit 734e15b70d)
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Prevent the possibility of re-entrancy leading to deadlock or infinite recursion (caused by logging triggered by logging), by disabling logging while the logger is handling log messages.
(cherry picked from commit 2561e148ec)
Co-authored-by: Duane Griffin <duaneg@dghda.com>
gh-133744: Fix multiprocessing interrupt test: add an event (GH-133746)
Add an event to synchronize the parent process with the child
process: wait until the child process starts sleeping.
(cherry picked from commit c2989b7070)
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-119180: annotationlib: Fix values of Format members in docs (GH-133841)
(cherry picked from commit 0eb448cae5)
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
gh-119180: More documentation for PEP 649/749 (GH-133552)
The SC asked that the Appendix in PEP-749 be added to the docs.
(cherry picked from commit 3396df56d0)
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
gh-133590: ensure that `TableEntry.linenumber_borrow` is initialized (GH-133681)
(cherry picked from commit c838e21fda)
Co-authored-by: Lauta <ljfp@ljfp.xyz>
gh-132983: Make zstd types immutable (GH-133784)
(cherry picked from commit 1a87b6e9ae)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
gh-132983: Reduce the size of ``_zstdmodule.h`` (GH-133793)
(cherry picked from commit 1a548c0a50)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
When calling .close() the HTMLParser should flush all remaining content,
even when that content is in an unclosed script or style tag.
(cherry picked from commit 53383e90e4)
Co-authored-by: Waylan Limberg <waylan.limberg@icloud.com>
gh-132642: document how to render human-readable `timedelta` objects (GH-133825)
(cherry picked from commit efcc42ba70)
Co-authored-by: Kentaro Jay Takahashi <64148935+KentaroJay@users.noreply.github.com>
Tiny doc fix to double up backslashes in a Windows filesystem path (GH-133828)
(cherry picked from commit e7741dd773)
Co-authored-by: Tim Golden <mail@timgolden.me.uk>
GH-132983: PEP 7 and Argument Clinic changes for zstd (GH-133791)
(cherry picked from commit 1978904a2f)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
GH-132983: remove empty_bytes from _zstd module state (GH-133785)
(cherry picked from commit 98e2c3af47)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
This makes the test more reliable since there are not extra objects on the heap leftover
from other tests.
(cherry picked from commit 8598e57942)
Co-authored-by: Neil Schemenauer <nas-github@arctrix.com>
gh-133519: Add console to resources in libregrtest (GH-133520)
Add console to resources in libregrtest
(cherry picked from commit 4274b47156)
Co-authored-by: AN Long <aisk@users.noreply.github.com>
gh-132983: Clean-ups for ``_zstd`` (GH-133670)
(cherry picked from commit c2a5d4b383)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
GH-132983: Remove subclassing support from zstd types (GH-133694)
For consistency with ``bz2``, ``lzma``, and ``zlib``.
(cherry picked from commit bd7c5859c6)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
gh-133682: Fix inconsistent set ordering in annotationlib test (GH-133702)
(cherry picked from commit a2a0fa91c4)
Co-authored-by: Akshat Gupta <akshat.gupta24@gmail.com>
gh-133412: amend docs for the `inst` definition (GH-133708)
The `stack_effect` is incorrectly documented as being allowed to be optional.
(cherry picked from commit f77dac66e1)
Co-authored-by: Nybblista <170842536+nybblista@users.noreply.github.com>
According to the HTML5 spec, named character references in attribute values
should only be processed if they are not followed by an ASCII alphanumeric,
or an equals sign.
(cherry picked from commit 77b14a6d58)
https: //html.spec.whatwg.org/multipage/parsing.html#named-character-reference-state
Co-authored-by: Sascha Ißbrücker <sascha.issbruecker@googlemail.com>
On Linux, use /proc/self/status for mem usage info. Using smaps_rollup is quite a lot slower and
we can get the similar info from /proc/self/status.
(cherry picked from commit 751db4e649)
Co-authored-by: Neil Schemenauer <nas-github@arctrix.com>
gh-103092: Support subinterpreters in ``_zstd`` (GH-133674)
(cherry picked from commit 6f6f48d289)
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
The function `dict_set_fromkeys()` adds elements of a set to an existing
dictionary. The size of the expanded dictionary was estimated with
`PySet_GET_SIZE(iterable)`, which did not take into account the size of the
existing dictionary.
(cherry picked from commit 421ba589d0)
Co-authored-by: Angela Liss <59097311+angela-tarantula@users.noreply.github.com>
gh-132886: use relaxed atomics for `sock_fd` in gil builds in socket module (GH-133208)
(cherry picked from commit 2d82ab761a)
Co-authored-by: Kumar Aditya <kumaraditya@python.org>
This converts functions, code, str, bytes, bytearray, and memoryview objects to PyCodeObject,
and ensure that the object looks like a script. That means no args, no return, and no closure.
_PyCode_GetPureScriptXIData() takes it a step further and ensures there are no globals.
We also add _PyObject_SupportedAsScript() to the internal C-API.
(cherry picked from commit c81fa2b9cd, AKA gh-133480)
Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
gh-127833: Add links to token types to the lexical analysis intro (GH-131468)
(cherry picked from commit 45bb5ba61a)
Co-authored-by: Petr Viktorin <encukou@gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
Doc: Allow translating a code block in the tutorial (GH-131353)
(cherry picked from commit 3224b99872)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
Co-authored-by: Chris Markiewicz <effigies@gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
gh-133641: Doc: Add missing source link in ``concurrent.futures`` (GH-133642)
(cherry picked from commit 4fcd377563)
Co-authored-by: Jonas Obrist <ojiidotch@gmail.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
gh-133403: Type `Tools/build/update_file.py` and check it with `mypy` (GH-133404)
(cherry picked from commit 50b52cba2d)
Co-authored-by: sobolevn <mail@sobolevn.me>
Co-authored-by: Zachary Ware <zach@python.org>
gh-133551: Skip annotationlib for now in ast roundtrip tests (GH-133634)
(cherry picked from commit 0a3ccb8dff)
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
gh-133555: Allow regenerating the parser with Python < 3.14 (GH-133557)
(cherry picked from commit b48599b801)
Co-authored-by: Alex Prengère <2138730+alexprengere@users.noreply.github.com>
Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>
gh-127833: lexical analysis: Add backticks to BOM example (GH-132407)
(cherry picked from commit 0552ce0fb2)
Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com>
gh-133551: Support t-strings in annotationlib (GH-133553)
I don't know why you'd use t-strings in annotations, but now if you do,
the STRING format will do a great job of recovering the source code.
(cherry picked from commit 90f476e0f8)
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
This reverts commit 3c73cf5 (gh-133497), which itself reverted
the original commit d270bb5 (gh-133221).
We reverted the original change due to failing android tests.
The checks in _PyCode_CheckNoInternalState() were too strict,
so we've relaxed them.
gh-133558: Skip test_pdb tests on FreeBSD (GH-133566)
'\x08' is not interpreted as backspace on FreeBSD.
(cherry picked from commit 79b8a32fcb)
Co-authored-by: Victor Stinner <vstinner@python.org>
gh-133361: move the explanation of dict equal before its use (GH-133424)
Also move up the explanation of insertion order preservation. Both paragraphs seemed out of place down where they were.
---------
(cherry picked from commit 61ac88c06e)
Co-authored-by: Yongzi Li <1538321957@qq.com>
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
Also add the python3.14.abi file as generated by the new job and remove
the 'main branch only' entry from .gitignore.
The only difference from the 3.13 job is the addition of `with.python-version: 3.x`
to the `setup-python` configuration to pacify a warning.
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