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* gh-117755: Remove tests on huge memory allocations (#117938)Victor Stinner2024-04-162-97/+2
| | | | | | | | | | | | | | | | | | | Remove unreliable tests on huge memory allocations: * Remove test_maxcontext_exact_arith() of test_decimal. Stefan Krah, test author, agreed on removing the test: https://github.com/python/cpython/issues/114331#issuecomment-1925731273 * Remove test_constructor() tests of test_io. Sam Gross suggests remove them: https://github.com/python/cpython/pull/117809#pullrequestreview-2003889558 On Linux, depending how overcommit is configured, especially on Linux s390x, a huge memory allocation (half or more of the full address space) can succeed, but then the process will eat the full system swap and make the system slower and slower until the whole system becomes unusable. Moreover, these tests had to be skipped when Python is built with sanitizers.
* gh-117376: Make code objects use deferred reference counting (#117823)Sam Gross2024-04-163-3/+38
| | | | | | We want code objects to use deferred reference counting in the free-threaded build. This requires them to be tracked by the GC, so we set `Py_TPFLAGS_HAVE_GC` in the free-threaded build, but not the default build.
* gh-112069: Make setiter_iternext to be thread-safe (gh-117935)Donghee Na2024-04-161-12/+17
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* Docs: Add classes to C API return value annotations (#117926)Hugo van Kemenade2024-04-161-9/+11
| | | | Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
* gh-117683: Fix test_free_different_thread failures with GIL disabled (#117685)Sam Gross2024-04-161-2/+6
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* gh-115178: Add Counts of UOp Pairs to pystats (GH-115181)Jeff Glass2024-04-166-4/+26
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* GH-115776: Static object are immortal, so mark them as such. (GH-117673)Mark Shannon2024-04-162-10/+9
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* gh-117691: Add an appropriate stacklevel for PEP-706 tarfile deprecation ↵Alex Waygood2024-04-163-1/+31
| | | | warnings (GH-117872)
* gh-117613: Argument Clinic: ensure that 'defining_class' params are ↵neonene2024-04-164-6/+17
| | | | positional-only (#117781)
* gh-102402: Fix floating point math issue by using `time.time_ns()` in ↵Douglas Thor2024-04-164-7/+53
| | | | `logging.LogRecord` (GH-102412)
* gh-117797: Improve `test_descr.test_not_implemented` (#117798)Nikita Sobolev2024-04-161-8/+17
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* gh-117613: Enhance test_clinic @defining_class tests (#117896)Victor Stinner2024-04-167-21/+122
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* gh-77102: site: try utf-8 and fallback to locale encoding when reading .pth ↵Inada Naoki2024-04-164-26/+49
| | | | file (#117802)
* gh-76785: Fix Windows Refleak in test_interpreters (gh-117913)Eric Snow2024-04-162-6/+7
| | | gh-117662 introduced some refleaks, or, rather, exposed some existing refleaks. The leaks are coming when test.support.os_helper is imported in a "legacy" interpreter. I've updated test.test_interpreters.utils to avoid importing os_helper, which fixes the leaks. I'll address the root cause separately.
* gh-117804: Document how to suppress PGO unprofiled source warnings (#117859)Erlend E. Aasland2024-04-151-0/+9
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* Docs: add link roles with Sphinx extlinks (#117850)Hugo van Kemenade2024-04-1562-183/+147
| | | Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
* gh-109975: Copyedit "What's New in Python 3.13" (#117902)Hugo van Kemenade2024-04-151-115/+125
| | | Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
* gh-117688: Fix deadlock in test_no_stale_references with GIL disabled (#117720)Sam Gross2024-04-151-11/+21
| | | | | | | Check `my_object_collected.wait()` in a loop to give the main thread a chance to merge the reference count fields. Additionally, call `my_object_collected.set()` in a background thread to avoid deadlocking when the destructor is called asynchronously via the eval breaker within the body of of `my_object_collected.wait()`.
* Docs: make the `whatsnew-typing-py312` anchor point to things that were new ↵Alex Waygood2024-04-151-2/+2
| | | | in the typing module (#117904)
* gh-117657: Quiet more TSAN warnings due to incorrect modeling of ↵mpage2024-04-151-2/+2
| | | | compare/exchange (#117830)
* gh-117657: Quiet TSAN warning about a data race between `start_the_world()` ↵mpage2024-04-151-1/+2
| | | | | | | | and `tstate_try_attach()` (#117828) TSAN erroneously reports a data race between the `_Py_atomic_compare_exchange_int` on `tstate->state` in `tstate_try_attach()` and the non-atomic load of `tstate->state` in `start_the_world`. The `_Py_atomic_compare_exchange_int` fails, but TSAN erroneously treats it as a store.
* gh-117657: Add TSAN suppressions for the free-threaded build (#117736)mpage2024-04-155-7/+69
| | | | | Additionally, reduce the iterations for a few weakref tests that would otherwise take a prohibitively long amount of time (> 1 hour) when TSAN is enabled and the GIL is disabled.
* gh-115532: Minor tweaks to kde() (gh-117897)Raymond Hettinger2024-04-152-12/+25
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* gh-115664: Reorganize versionadded directives for -X options (GH-116304)Serhiy Storchaka2024-04-151-34/+45
| | | | Add the versionadded directives just under the description of the corresponding option.
* gh-112278: Improve error handling in wmi module and tests (GH-117818)Steve Dower2024-04-152-21/+30
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* gh-90329: Add _winapi.GetLongPathName and GetShortPathName and use in venv ↵Steve Dower2024-04-156-3/+328
| | | | to reduce warnings (GH-117817)
* gh-117889: Fix PGO test in test_peg_generator (#117893)Victor Stinner2024-04-152-3/+2
| | | | | | Reuse support.check_cflags_pgo() in test_peg_generator to check for PGO build. Log PGO_PROF_USE_FLAG in test.pythoninfo.
* GH-117750: When clearing object's dict, clear inline values but leave dict ↵Mark Shannon2024-04-153-15/+31
| | | | attached (GH-117808)
* Add 'The Python 2.3 Method Resolution Order' (#116435)Hugo van Kemenade2024-04-158-11/+679
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* gh-117694: Improve tests for PyEval_EvalCodeEx() (GH-117695)Serhiy Storchaka2024-04-152-91/+114
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* gh-117755: Skip test_io.test_constructor() on s390x (#117801)Victor Stinner2024-04-151-1/+11
| | | | | The test allocates 9 223 372 036 854 775 807 bytes (0x7fffffffffffffff) and mimalloc fails with a division by zero on s390x.
* gh-117826: Remove lookdict_index from delitemif_lock_held (gh-117869)Donghee Na2024-04-151-5/+2
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* docs: typo in 3.13 release notes (#117866)Galen Rice2024-04-141-1/+1
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* gh-117636: Remove redundant type check in `os.path.join()` (#117638)Nice Zombies2024-04-144-6/+5
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* Doc: mark up classes, attributes, parameters, and methods in dataclasses.rst ↵Erlend E. Aasland2024-04-141-85/+85
| | | | (#117820)
* gh-115692: Add tests to increase `json` coverage (#115693)Hugo van Kemenade2024-04-144-10/+35
| | | | Co-authored-by: Petr Viktorin <encukou@gmail.com>
* gh-117348: restore import time performance of configparser (#117703)Jason R. Coombs2024-04-142-13/+13
| | | Reduces import time by over 50% (10431µs vs 4350µs on Apple M3 Pro).
* dataclasses docs: add some link anchors (#117601)Jelle Zijlstra2024-04-141-0/+8
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* Autoconf: aarch64-apple-darwin/clang is now a tier 1 platform (#117861)Erlend E. Aasland2024-04-142-4/+4
| | | See also python/pep#3705
* Simpler example of shallow dict export of a dataclass (#117812)Gouvernathor2024-04-141-1/+1
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* Tweak wording for dataclasses.replace (gh-117758)Gouvernathor2024-04-141-2/+2
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* GH-115060: Speed up `pathlib.Path.glob()` by omitting initial `stat()` (#117831)Barney Gale2024-04-136-10/+20
| | | | | | | | Since 6258844c, paths that might not exist can be fed into pathlib's globbing implementation, which will call `os.scandir()` / `os.lstat()` only when strictly necessary. This allows us to drop an initial `self.is_dir()` call, which saves a `stat()`. Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
* gh-96398: Fix mpicc check in configure.ac (#117857)Erlend E. Aasland2024-04-132-2/+2
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* gh-68583: webbrowser: replace `getopt` with `argparse`, add long options ↵Hugo van Kemenade2024-04-134-55/+135
| | | | (#117047)
* gh-102247: http: support rfc9110 status codes (GH-117611)Michiel W. Beijen2024-04-136-78/+94
| | | | | | | | | | | | | | | | | | | | rfc9110 obsoletes the earlier rfc 7231. This document also includes some status codes that were previously only used for WebDAV and assigns more generic names to these status codes. ref: https://www.rfc-editor.org/rfc/rfc9110.html#name-changes-from-rfc-7231 - http.HTTPStatus.CONTENT_TOO_LARGE (413, previously REQUEST_ENTITY_TOO_LARGE) - http.HTTPStatus.URI_TOO_LONG (414, previously REQUEST_URI_TOO_LONG) - http.HTTPStatus.RANGE_NOT_SATISFYABLE (416, previously REQUEST_RANGE_NOT_SATISFYABLE) - http.HTTPStatus.UNPROCESSABLE_CONTENT (422, previously UNPROCESSABLE_ENTITY) The new constants are added to http.HTTPStatus and the old constant names are preserved for backwards compatibility. References in documentation to the obsoleted rfc 7231 are updated
* gh-117840: Fix indent to fix shlex syntax highlighting (#117843)Hugo van Kemenade2024-04-131-15/+15
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* gh-114466: explicitly define heap invariant (#117778)Shantanu2024-04-131-2/+3
| | | | | I think the choice of wording in these docs is great and doesn't need to change. However, it could be useful to explicitly define this term / the cost of doing so seems relatively low.
* gh-96398: Detect GCC compatible compilers in configure (#117825)Erlend E. Aasland2024-04-132-1/+40
| | | | Introduce a cached variable $ac_cv_gcc_compat and set it to 'yes' if the C preprocessor defines the __GNUC__ macro.
* gh-94673: Clarify About Runtime State Related to Static Builtin Types ↵Eric Snow2024-04-122-1/+43
| | | | | | | | (gh-117761) Guido pointed out to me that some details about the per-interpreter state for the builtin types aren't especially clear. I'm addressing that by: * adding a comment explaining that state * adding some asserts to point out the relationship between each index and the interp/global runtime state
* GH-117727: Speed up `pathlib.Path.iterdir()` by using `os.scandir()` (#117728)Barney Gale2024-04-122-20/+8
| | | | | Replace use of `os.listdir()` with `os.scandir()`. Forgo setting `_drv`, `_root` and `_tail_cached`, as these usually aren't needed. Use `os.DirEntry.path` to set `_str`.
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