python / cpython

- AIX has extreme over-allocation that is in no relation to the physical
    RAM and swap.

…SError when peer closes connection during TLS negotiation (GH-18772)

[bpo-31122](): ssl.wrap_socket() now raises ssl.SSLEOFError rather than OSError when peer closes connection during TLS negotiation

Reproducer: http://tiny.cc/f4ztnz (tiny url because some bot keeps renaming b.p.o.-nnn as bpo links)

This applies to the default "extc99" mode.  Python does not compile with "stdc99".

Automerge-Triggered-By: @gvanrossum

Sphinx 3 requires to refer to terms with the exact case.

For example, fix the Sphinx 3 warning:

Doc/library/pkgutil.rst:71: WARNING: term Loader not found in case
sensitive match.made a reference to loader instead.

Prior to this change, attempting to subclass the C implementation of
zoneinfo.ZoneInfo gave the following error:

    TypeError: unbound method ZoneInfo.__init_subclass__() needs an argument

https://bugs.python.org/issue41025

Automerge-Triggered-By: @ericvsmith

#21851)

For example, fix the following Sphinx 3 errors:

Doc/c-api/buffer.rst:102: WARNING: Error in declarator or parameters
Invalid C declaration: Expected identifier in nested name. [error at 5]
  void \*obj
  -----^

Doc/c-api/arg.rst:130: WARNING: Unparseable C cross-reference: 'PyObject*'
Invalid C declaration: Expected end of definition. [error at 8]
  PyObject*
  --------^

The modified documentation is compatible with Sphinx 2 and Sphinx 3.

Add :noindex: to duplicated documentation to fix "duplicate object
description" errors.

For example, fix this Sphinx 3 issue:

Doc/library/configparser.rst:1146: WARNING: duplicate object
description of configparser.ConfigParser.optionxform, other instance
in library/configparser, use :noindex: for one of them

…21826)

The http.cookiejar module has is_blocked() and blocked_domains()
methods, so "blocklist" term sounds better than "denylist" in this
module.

Replace also denylisted with denied in test___all__.

* bpo-41520: Fix second codeop repression

Fix the repression introduced by the initial regression fix.

Fix two Sphinx 3 issues:

Doc/c-api/buffer.rst:304: WARNING: Duplicate C declaration, also defined in 'c-api/buffer'.
Declaration is 'PyBUF_ND'.

Doc/c-api/unicode.rst:1603: WARNING: Duplicate C declaration, also defined in 'c-api/unicode'.
Declaration is 'PyObject* PyUnicode_Translate(PyObject *str, PyObject *table, const char *errors)'.

Use generic '.. object::' to declare markers, rather than abusing
'..  c:function::' which fails on Sphinx 3.

…ments (GH-21850)

)

Enable Sphinx 3.2 "c_allow_pre_v3" option and disable the
c_warn_on_allowed_pre_v3 option to make the documentation compatible
with Sphinx 2 and Sphinx 3.

)

Rename 5 test method names in test_codecs and test_typing.

)

Automerge-Triggered-By: @tiran

Port the _multiprocessing extension module to multiphase initialization (PEP 489).

GH-21806)

On Git 2.28, "git diff master..." (3 dots) no longer works when
"fetch --depth=1" is used, whereas it works on Git 2.26.

Replace "..." (3 dots) with ".." (2 dots) in the "git diff" command
computing the list of modified files between the base branch and the
PR branch.