…ioTestCase (GH-31946)

(cherry picked from commit 3dd9bfa)

Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com>

(cherry picked from commit a7c5414)

Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com>

(cherry picked from commit dbbe4d2)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

We were using os_helper, which doesn't exist on 3.9. This wasn't
caught because the test is only run as root. I confirmed that when
run as root, the test previously failed and now passes.

…dule (GH-30654) (GH-31970)

(cherry picked from commit a0db11b)

Co-authored-by: Bader Zaidan <bader@zaidan.pw>

 1�71961). (GH-31975)

(cherry picked from commit 8e3fde7)

Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com>

…e modes when argument is '-' (GH-13165) (GH-31979)

Also made modes containing 'a' or 'x' act the same as a mode containing 'w' when argument is '-'
(so 'a'/'x' return sys.stdout like 'w', and 'ab'/'xb' return sys.stdout.buffer like 'wb').
(cherry picked from commit eafec26)

Co-authored-by: MojoVampire <shadowranger+github@gmail.com>

(cherry picked from commit cb7874f)

Co-authored-by: andrei kulakov <andrei.avk@gmail.com>

A warning about inline flags not at the start of the regular
expression now contains the position of the flag.
(cherry picked from commit 4142961)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

…H-31976) (GH-31981)

(cherry picked from commit cd44afc)
(cherry picked from commit a5b7678)

…H-32002)

Clarifies a versionchanged note on crc32 & adler32 docs that the workaround is only needed for Python 2 and earlier.
Also cleans up an unnecessary intermediate variable in the implementation.

Authored-By: Ma Lin / animalize
Co-authored-by: Gregory P. Smith <greg@krypto.org>
(cherry picked from commit 6d290d5)

Co-authored-by: Ma Lin <animalize@users.noreply.github.com>

(cherry picked from commit 3af68fc)

Co-authored-by: jmcb <joel.mcbride1@live.com>

Co-authored-by: jmcb <joel.mcbride1@live.com>

The `_SharedFile` tracks its own virtual position into the file as
`self._pos` and updates it after reading or seeking. `tell()` should
return this position instead of calling into the underlying file object,
since if multiple `_SharedFile` instances are being used concurrently on
the same file, another one may have moved the real file position.
Additionally, calling into the underlying `tell` may expose thread
safety issues in the underlying file object because it was called
without taking the lock.
(cherry picked from commit e730ae7)

Co-authored-by: Kevin Mehall <km@kevinmehall.net>

 1�732015)

Inputs >= 4GiB to `binascii.crc32(...)` when compiled to use the zlib
crc32 implementation (the norm on POSIX) no longer return the wrong
result.

(cherry picked from commit 4c989e1)

)

(cherry picked from commit 08eb754)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

…s of the specified exception type (GH-32027) (GH-32035)

(cherry picked from commit 45833b5)

…H-32049)

Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>.
(cherry picked from commit 32e7715)

Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com>

…H-26578)

Replace the child process `typeperf.exe` with a daemon thread that reads the performance counters directly.  This prevents the issues that arise from inherited handles in grandchild processes (see issue37531 for discussion).

We only use the load tracker when running tests in multiprocess mode. This prevents inadvertent interactions with tests expecting a single threaded environment.  Displaying load is really only helpful for buildbots running in multiprocess mode anyway..

Co-authored-by: Jeremy Kloth <jeremy.kloth@gmail.com>

 1�712 (GH-31891) (#31998)

Document the deprecation of asyncore, asynchat, and smtpd with a slated removal in Python 3.12 thanks to PEP 594..
(cherry picked from commit 7747384)

Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>

Co-authored-by: Piet Delport
Co-authored-by: Hugo Lopes Tavares
Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
(cherry picked from commit 7ba7eae)

Co-authored-by: Daniël van Noord <13665637+DanielNoord@users.noreply.github.com>

(cherry picked from commit 795b365)

Co-authored-by: Matt Williams <matt@milliams.com>

People are testing those blocs with the default
inline_comment_prefixes of None, leading to a:

configparser.InterpolationSyntaxError: '$' must be followed by '$' or '{', found: '$ sign ($ is the only character that needs to be escaped)'
(cherry picked from commit 3ac4e78)

Co-authored-by: Julien Palard <julien@palard.fr>

GH-31941) (GH-32067)

* [3.9] [3.10] bpo-46769: Improve documentation for `typing.TypeVar` (GH-31712) (GH-31941)

* [3.10] bpo-46769: Improve documentation for `typing.TypeVar` (GH-31712)

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
(cherry picked from commit 81b425d)

* Remove references to `reveal_type`, add new section on `self` types.
(cherry picked from commit d5ed8a8)

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>

* remove unused susp allowlist

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>

 1�7 (GH-32082)

Also removed asynchat, asyncore, and smtpd from their respective toctree entries so they are only  in the superceded subtree.
(cherry picked from commit 9ac2de9)

Co-authored-by: Brett Cannon <brett@python.org>

Automerge-Triggered-By: GH:brettcannon

…able (GH-32076)

(cherry picked from commit 48e2010)

Co-authored-by: Christian Heimes <christian@python.org>

(cherry picked from commit ee912ad)

Co-authored-by: Alex Hedges <aphedges@users.noreply.github.com>

…H-32153)

Co-authored-by: Maciej Olko <maciej.olko@gmail.com>

GH-32145)

The enter_context is updated with following information: 'The :meth:`__enter__` method
      returns the ExitStack instance, and performs no additional operations.'

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
(cherry picked from commit 86384cf)

Co-authored-by: vidhya <96202776+Vidhyavinu@users.noreply.github.com>
Co-authored-by: Ned Deily <nad@python.org>