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* gh-127481: Add `EPOLLWAKEUP` to the `select` module (GH-127482)RUANG (James Roy)2024-12-041-0/+6
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* gh-123378: Ensure results of `PyUnicode*Error_Get{Start,End}` are clamped ↵Bénédikt Tran2024-12-042-2/+24
| | | | | | (GH-123380) Co-authored-by: Sergey B Kirpichev <skirpichev@gmail.com>
* Itertool recipe additions (gh-127483)Raymond Hettinger2024-12-041-0/+37
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* gh-127271: Replace use of PyCell_GET/SET (gh-127272)Neil Schemenauer2024-12-031-0/+2
| | | | | | | | | | | | | | | | | | * Replace uses of `PyCell_GET` and `PyCell_SET`. These macros are not safe to use in the free-threaded build. Use `PyCell_GetRef()` and `PyCell_SetTakeRef()` instead. * Since `PyCell_GetRef()` returns a strong rather than borrowed ref, some code restructuring was required, e.g. `frame_get_var()` returns a strong ref now. * Add critical sections to `PyCell_GET` and `PyCell_SET`. * Move critical_section.h earlier in the Python.h file. * Add `PyCell_GET` to the free-threading howto table of APIs that return borrowed refs. * Add additional unit tests for free-threading.
* gh-127347: Document `traceback.print_list` (#127348)Tomas R.2024-12-031-0/+7
| | | Previously, `traceback.print_list` didn't have a documentation entry and was not exposed in `traceback.__all__`. Now it has a documentation entry and is exposed in `__all__`.
* gh-127255: Make `CopyComPointer` public and add to `ctypes` doc. (GH-127275)Jun Komoda2024-12-032-1/+22
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* gh-126585: Add EHWPOISON error code (#126586)RUANG (James Roy)2024-12-032-0/+12
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* gh-127253: Note that Stable ABI is about ABI stability (GH-127254)Petr Viktorin2024-12-031-3/+11
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* docs(logging): fix phrasing from "operation on" to "operate on" (#127543)Alexander Stepchenko2024-12-031-1/+1
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* gh-101100: Fix Sphinx warnings about list methods (#127054)Yuki Kobayashi2024-12-023-8/+7
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* gh-109523: Raise a BlockingIOError if reading text from a non-blocking ↵Giovanni Siragusa2024-12-022-0/+29
| | | | stream cannot immediately return bytes. (GH-122933)
* gh-127443: Fix some entries in `Doc/data/refcounts.dat` (#127451)Bénédikt Tran2024-12-021-19/+21
| | | Fix incorrect entries in `Doc/data/refcounts.dat`
* gh-126899: Add `**kw` to `tkinter.Misc.after` and `tkinter.Misc.after_idle` ↵Zhikang Yan2024-12-011-0/+8
| | | | | | | (#126900) --------- Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* gh-127356: Fix prepend doctrees directory for gettext target (#127357)Rafael Fontenelle2024-12-011-1/+1
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* Docs: Fix incorrect indents in `c-api/type.rst` (#127449)Yuki Kobayashi2024-11-301-25/+23
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* Link to correct class methods in asyncio primitives docs (#127270)Ollanta Cuba Gyllensten2024-11-291-4/+4
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* fix param type in PyObject_HasAttrWithError (docs) (#127403)biggus-developerus2024-11-291-1/+1
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* gh-127303: Add docs for token.EXACT_TOKEN_TYPES (#127304)Илья Любавский2024-11-291-0/+7
| | | | | | | --------- Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu> Co-authored-by: Tomas R. <tomas.roun8@gmail.com> Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
* Touch up docs for ctypes.FormatError & WinError (GH-127210)Jun Komoda2024-11-281-6/+5
| | | | Reformat paragraphs, add backquotes, and directives.
* Fix indentation for contextlib.asynccontextmanager docs (#127333)Jelle Zijlstra2024-11-271-3/+3
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* gh-69639: Add mixed-mode rules for complex arithmetic (C-like) (GH-124829)Sergey B Kirpichev2024-11-265-18/+93
| | | | | | | | | | | | | | | "Generally, mixed-mode arithmetic combining real and complex variables should be performed directly, not by first coercing the real to complex, lest the sign of zero be rendered uninformative; the same goes for combinations of pure imaginary quantities with complex variables." (c) Kahan, W: Branch cuts for complex elementary functions. This patch implements mixed-mode arithmetic rules, combining real and complex variables as specified by C standards since C99 (in particular, there is no special version for the true division with real lhs operand). Most C compilers implementing C99+ Annex G have only these special rules (without support for imaginary type, which is going to be deprecated in C2y).
* gh-119180: Add VALUE_WITH_FAKE_GLOBALS format to annotationlib (#124415)Jelle Zijlstra2024-11-261-0/+11
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* GH-126985: move pyvenv.cfg detection from site to getpath (#126987)Filipe Laíns 🇵🇸2024-11-265-41/+112
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* Doc: Typo fix: nrace -> race (#127288)Richard Hansen2024-11-261-1/+1
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* gh-101100: Fix sphinx warnings in `howto/*` (#127084)Yuki Kobayashi2024-11-263-102/+101
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* gh-127265: Remove single quotes from 'arrow's in tutorial/errors.rst (GH-127267)funkyrailroad2024-11-251-1/+1
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* GH-127236: `pathname2url()`: generate RFC 1738 URL for absolute POSIX path ↵Barney Gale2024-11-251-4/+6
| | | | | | | | | | | | | | | (#127194) When handed an absolute Windows path such as `C:\foo` or `//server/share`, the `urllib.request.pathname2url()` function returns a URL with an authority section, such as `///C:/foo` or `//server/share` (or before GH-126205, `////server/share`). Only the `file:` prefix is omitted. But when handed an absolute POSIX path such as `/etc/hosts`, or a Windows path of the same form (rooted but lacking a drive), the function returns a URL without an authority section, such as `/etc/hosts`. This patch corrects the discrepancy by adding a `//` prefix before drive-less, rooted paths when generating URLs.
* gh-107954: Document PEP 741 in What's New 3.14 (#127056)Victor Stinner2024-11-252-0/+40
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* Replace `:platform:` with `.. availability::` in `socket.ioctl` doc. (GH-127122)Jun Komoda2024-11-251-2/+3
| | | In `socket.ioctl`, `:platform:` -> `.. availability::`
* Improve `pathname2url()` and `url2pathname()` docs (#127125)Barney Gale2024-11-241-7/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | These functions have long sown confusion among Python developers. The existing documentation says they deal with URL path components, but that doesn't fit the evidence on Windows: >>> pathname2url(r'C:\foo') '///C:/foo' >>> pathname2url(r'\\server\share') '////server/share' # or '//server/share' as of quite recently If these were URL path components, they would imply complete URLs like `file://///C:/foo` and `file://////server/share`. Clearly this isn't right. Yet the implementation in `nturl2path` is deliberate, and the `url2pathname()` function correctly inverts it. On non-Windows platforms, the behaviour until quite recently is to simply quote/unquote the path without adding or removing any leading slashes. This behaviour is compatible with *both* interpretations -- 1) the value is a URL path component (existing docs), and 2) the value is everything following `file:` (this commit) The conclusion I draw is that these functions operate on everything after the `file:` prefix, which may include an authority section. This is the only explanation that fits both the Windows and non-Windows behaviour. It's also a better match for the function names.
* Fix macro expansions in critical section docs (#127226)da-woods2024-11-241-2/+2
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* gh-101100: Fix sphinx warnings of removed opcodes (#127222)Yuki Kobayashi2024-11-246-16/+16
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* GH-127133: Remove ability to nest argument groups & mutually exclusive ↵Savannah Ostrowski2024-11-242-10/+17
| | | | groups (#127186)
* Doc: C API: Fix `Py_NewInterpreterFromConfig` example code (#126667)Richard Hansen2024-11-231-1/+5
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* GH-125866: Preserve Windows drive letter case in file URIs (#127138)Barney Gale2024-11-231-0/+7
| | | | | Stop converting Windows drive letters to uppercase in `urllib.request.pathname2url()` and `url2pathname()`. This behaviour is unnecessary and inconsistent with pathlib's file URI implementation.
* GH-127134: Add note about forward compatibility for suggest_on_error (#127137)Savannah Ostrowski2024-11-231-0/+8
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* Fix a few typos found in the docs (GH-127126)Rafael Fontenelle2024-11-233-4/+4
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* gh-86463: Fix a trailing space in argparse.rst (#127162)Serhiy Storchaka2024-11-221-1/+1
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* gh-127001: Fix PATHEXT issues in shutil.which() on Windows (GH-127035)Serhiy Storchaka2024-11-221-6/+0
| | | | | | | | | * Name without a PATHEXT extension is only searched if the mode does not include X_OK. * Support multi-component PATHEXT extensions (e.g. ".foo.bar"). * Support files without extensions in PATHEXT contains dot-only extension (".", "..", etc). * Support PATHEXT extensions that end with a dot (e.g. ".foo.").
* gh-86463: Fix default prog in subparsers if usage is used in the main parser ↵Serhiy Storchaka2024-11-221-0/+10
| | | | | | | | | | (GH-125891) The usage parameter of argparse.ArgumentParser no longer affects the default value of the prog parameter in subparsers. Previously the full custom usage of the main parser was used as the prog prefix in subparsers.
* gh-127082: Replace "Windows only" with the `availability: Windows` in ↵Jun Komoda2024-11-221-15/+48
| | | | `ctypes` doc (#127099)
* GH-122679: Add `register()` to argparse docs (#126939)Savannah Ostrowski2024-11-221-3/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Add register() to argparse docs * Add newline * Formatting * Fix codeblock * Move section * Add signature * Add newline * Fix indent * Fix indent take 2 * Rephrase * Simplify language * Address PR comments * Add references to register in type and action * Remove unnecessary reference * Rephrase and add success case
* GH-126601: `pathname2url()`: handle NTFS alternate data streams (#126760)Barney Gale2024-11-221-0/+5
| | | | | | Adjust `pathname2url()` to encode embedded colon characters in Windows paths, rather than bailing out with an `OSError`. Co-authored-by: Steve Dower <steve.dower@microsoft.com>
* gh-126727: Fix locale.nl_langinfo(locale.ERA) (GH-126730)Serhiy Storchaka2024-11-211-4/+6
| | | | | It now returns multiple era description segments separated by semicolons. Previously it only returned the first segment on platforms with Glibc.
* GH-127010: Don't lazily track and untrack dicts (GH-127027)Mark Shannon2024-11-201-2/+0
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* gh-97514: Authenticate the forkserver control socket. (GH-99309)Gregory P. Smith2024-11-201-0/+5
| | | | | | | | | | | | | | | | | | | This adds authentication to the forkserver control socket. In the past only filesystem permissions protected this socket from code injection into the forkserver process by limiting access to the same UID, which didn't exist when Linux abstract namespace sockets were used (see issue) meaning that any process in the same system network namespace could inject code. We've since stopped using abstract namespace sockets by default, but protecting our control sockets regardless of type is a good idea. This reuses the HMAC based shared key auth already used by `multiprocessing.connection` sockets for other purposes. Doing this is useful so that filesystem permissions are not relied upon and trust isn't implied by default between all processes running as the same UID with access to the unix socket. ### pyperformance benchmarks No significant changes. Including `concurrent_imap` which exercises `multiprocessing.Pool.imap` in that suite. ### Microbenchmarks This does _slightly_ slow down forkserver use. How much so appears to depend on the platform. Modern platforms and simple platforms are less impacted. This PR adds additional IPC round trips to the control socket to tell forkserver to spawn a new process. Systems with potentially high latency IPC are naturally impacted more. Typically a 1-4% slowdown on a very targeted process creation microbenchmark, with a worst case overloaded system slowdown of 20%. No evidence that these slowdowns appear in practical sense. See the PR for details.
* gh-126615: `ctypes`: Make `COMError` public (GH-126686)Jun Komoda2024-11-202-6/+44
| | | Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
* GH-84850: Improve whatsnew entry for `[Fancy]URLopener` removal (#127032)Barney Gale2024-11-201-0/+7
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* gh-123299: Copyedit "What's New in Python 3.14" (#127028)Hugo van Kemenade2024-11-201-17/+17
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* Doc: C API: `PyThreadState::on_delete` was removed in v3.13 (#126536)Richard Hansen2024-11-201-0/+3
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