Python 3.9.12

Include/patchlevel.h

@@ -18,12 +18,12 @@
 /*--start constants--*/
 #define PY_MAJOR_VERSION        3
 #define PY_MINOR_VERSION        9
-#define PY_MICRO_VERSION        11
+#define PY_MICRO_VERSION        12
 #define PY_RELEASE_LEVEL        PY_RELEASE_LEVEL_FINAL
 #define PY_RELEASE_SERIAL       0
 
 /* Version as a string */
-#define PY_VERSION              "3.9.11+"
+#define PY_VERSION              "3.9.12"
 /*--end constants--*/
 
 /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.

Lib/pydoc_data/topics.py

 # -*- coding: utf-8 -*-
-# Autogenerated by Sphinx on Tue Mar 15 21:44:32 2022
+# Autogenerated by Sphinx on Wed Mar 23 22:08:02 2022
 topics = {'assert': 'The "assert" statement\n'
            '**********************\n'
            '\n'
@@ -2416,11 +2416,11 @@
              'resulting\n'
              'object is “compatible” with the exception.  An object is '
              'compatible\n'
-             'with an exception if it is the class or a base class of the '
-             'exception\n'
-             'object, or a tuple containing an item that is the class or a '
+             'with an exception if the object is the class or a *non-virtual '
              'base\n'
-             'class of the exception object.\n'
+             'class* of the exception object, or a tuple containing an item '
+             'that is\n'
+             'the class or a non-virtual base class of the exception object.\n'
              '\n'
              'If no except clause matches the exception, the search for an '
              'exception\n'
@@ -3567,15 +3567,17 @@
                   'on members\n'
                   '   of hashed collections including "set", "frozenset", and '
                   '"dict".\n'
-                  '   "__hash__()" should return an integer. The only required '
-                  'property\n'
-                  '   is that objects which compare equal have the same hash '
-                  'value; it is\n'
-                  '   advised to mix together the hash values of the '
-                  'components of the\n'
-                  '   object that also play a part in comparison of objects by '
-                  'packing\n'
-                  '   them into a tuple and hashing the tuple. Example:\n'
+                  '   The "__hash__()" method should return an integer. The '
+                  'only required\n'
+                  '   property is that objects which compare equal have the '
+                  'same hash\n'
+                  '   value; it is advised to mix together the hash values of '
+                  'the\n'
+                  '   components of the object that also play a part in '
+                  'comparison of\n'
+                  '   objects by packing them into a tuple and hashing the '
+                  'tuple.\n'
+                  '   Example:\n'
                   '\n'
                   '      def __hash__(self):\n'
                   '          return hash((self.name, self.nick, self.color))\n'
@@ -4559,11 +4561,11 @@
                'clause is\n'
                'selected depending on the class of the instance: it must '
                'reference the\n'
-               'class of the instance or a base class thereof.  The instance '
-               'can be\n'
-               'received by the handler and can carry additional information '
-               'about the\n'
-               'exceptional condition.\n'
+               'class of the instance or a *non-virtual base class* thereof. '
+               'The\n'
+               'instance can be received by the handler and can carry '
+               'additional\n'
+               'information about the exceptional condition.\n'
                '\n'
                'Note:\n'
                '\n'
@@ -4886,11 +4888,11 @@
               'clause is\n'
               'selected depending on the class of the instance: it must '
               'reference the\n'
-              'class of the instance or a base class thereof.  The instance '
-              'can be\n'
-              'received by the handler and can carry additional information '
-              'about the\n'
-              'exceptional condition.\n'
+              'class of the instance or a *non-virtual base class* thereof. '
+              'The\n'
+              'instance can be received by the handler and can carry '
+              'additional\n'
+              'information about the exceptional condition.\n'
               '\n'
               'Note:\n'
               '\n'
@@ -8440,15 +8442,17 @@
                  'on members\n'
                  '   of hashed collections including "set", "frozenset", and '
                  '"dict".\n'
-                 '   "__hash__()" should return an integer. The only required '
-                 'property\n'
-                 '   is that objects which compare equal have the same hash '
-                 'value; it is\n'
-                 '   advised to mix together the hash values of the components '
-                 'of the\n'
-                 '   object that also play a part in comparison of objects by '
-                 'packing\n'
-                 '   them into a tuple and hashing the tuple. Example:\n'
+                 '   The "__hash__()" method should return an integer. The '
+                 'only required\n'
+                 '   property is that objects which compare equal have the '
+                 'same hash\n'
+                 '   value; it is advised to mix together the hash values of '
+                 'the\n'
+                 '   components of the object that also play a part in '
+                 'comparison of\n'
+                 '   objects by packing them into a tuple and hashing the '
+                 'tuple.\n'
+                 '   Example:\n'
                  '\n'
                  '      def __hash__(self):\n'
                  '          return hash((self.name, self.nick, self.color))\n'
@@ -11531,10 +11535,10 @@
         'exception.  For an except clause with an expression, that expression\n'
         'is evaluated, and the clause matches the exception if the resulting\n'
         'object is “compatible” with the exception.  An object is compatible\n'
-        'with an exception if it is the class or a base class of the '
-        'exception\n'
-        'object, or a tuple containing an item that is the class or a base\n'
-        'class of the exception object.\n'
+        'with an exception if the object is the class or a *non-virtual base\n'
+        'class* of the exception object, or a tuple containing an item that '
+        'is\n'
+        'the class or a non-virtual base class of the exception object.\n'
         '\n'
         'If no except clause matches the exception, the search for an '
         'exception\n'

Misc/NEWS.d/3.9.12.rst

+.. bpo: 46968
+.. date: 2022-03-17-14-22-23
+.. nonce: 4gz4NA
+.. release date: 2022-03-23
+.. section: Core and Builtins
+
+Check for the existence of the "sys/auxv.h" header in :mod:`faulthandler` to
+avoid compilation problems in systems where this header doesn't exist. Patch
+by Pablo Galindo
+
+..
+
+.. bpo: 47101
+.. date: 2022-03-23-15-31-02
+.. nonce: rVSld-
+.. section: Library
+
+:const:`hashlib.algorithms_available` now lists only algorithms that are
+provided by activated crypto providers on OpenSSL 3.0. Legacy algorithms are
+not listed unless the legacy provider has been loaded into the default OSSL
+context.
+
+..
+
+.. bpo: 23691
+.. date: 2022-03-20-22-13-24
+.. nonce: Nc2TrW
+.. section: Library
+
+Protect the :func:`re.finditer` iterator from re-entering.
+
+..
+
+.. bpo: 42369
+.. date: 2022-03-19-19-56-04
+.. nonce: Ok828t
+.. section: Library
+
+Fix thread safety of :meth:`zipfile._SharedFile.tell` to avoid a
+"zipfile.BadZipFile: Bad CRC-32 for file" exception when reading a
+:class:`ZipFile` from multiple threads.
+
+..
+
+.. bpo: 38256
+.. date: 2022-03-19-15-54-41
+.. nonce: FoMbjE
+.. section: Library
+
+Fix :func:`binascii.crc32` when it is compiled to use zlib'c crc32 to work
+properly on inputs 4+GiB in length instead of returning the wrong result.
+The workaround prior to this was to always feed the function data in
+increments smaller than 4GiB or to just call the zlib module function.
+
+..
+
+.. bpo: 39394
+.. date: 2022-03-19-13-38-29
+.. nonce: 7j6WL6
+.. section: Library
+
+A warning about inline flags not at the start of the regular expression now
+contains the position of the flag.
+
+..
+
+.. bpo: 47061
+.. date: 2022-03-18-13-30-40
+.. nonce: etLHK5
+.. section: Library
+
+Deprecate the various modules listed by :pep:`594`:
+
+aifc, asynchat, asyncore, audioop, cgi, cgitb, chunk, crypt, imghdr, msilib,
+nntplib, nis, ossaudiodev, pipes, smtpd, sndhdr, spwd, sunau, telnetlib, uu,
+xdrlib
+
+..
+
+.. bpo: 2604
+.. date: 2022-03-16-18-25-19
+.. nonce: jeopdL
+.. section: Library
+
+Fix bug where doctests using globals would fail when run multiple times.
+
+..
+
+.. bpo: 45997
+.. date: 2022-03-15-18-32-12
+.. nonce: 4n2aVU
+.. section: Library
+
+Fix :class:`asyncio.Semaphore` re-aquiring FIFO order.
+
+..
+
+.. bpo: 47022
+.. date: 2022-03-15-09-29-52
+.. nonce: uaEDcI
+.. section: Library
+
+The :mod:`asynchat`, :mod:`asyncore` and  :mod:`smtpd` modules have been
+deprecated since at least Python 3.6. Their documentation has now been
+updated to note they will removed in Python 3.12 (:pep:`594`).
+
+..
+
+.. bpo: 46421
+.. date: 2022-01-18-01-29-38
+.. nonce: 9LdmNr
+.. section: Library
+
+Fix a unittest issue where if the command was invoked as ``python -m
+unittest`` and the filename(s) began with a dot (.), a ``ValueError`` is
+returned.
+
+..
+
+.. bpo: 40296
+.. date: 2021-12-25-14-13-14
+.. nonce: p0YVGB
+.. section: Library
+
+Fix supporting generic aliases in :mod:`pydoc`.
+
+..
+
+.. bpo: 14156
+.. date: 2019-05-07-14-25-45
+.. nonce: 0FaHXE
+.. section: Library
+
+argparse.FileType now supports an argument of '-' in binary mode, returning
+the .buffer attribute of sys.stdin/sys.stdout as appropriate. Modes
+including 'x' and 'a' are treated equivalently to 'w' when argument is '-'.
+Patch contributed by Josh Rosenberg

Misc/NEWS.d/next/Core and Builtins/2022-03-17-14-22-23.bpo-46968.4gz4NA.rst

-Check for the existence of the "sys/auxv.h" header in :mod:`faulthandler` to
-avoid compilation problems in systems where this header doesn't exist. Patch
-by Pablo Galindo

Misc/NEWS.d/next/Library/2019-05-07-14-25-45.bpo-14156.0FaHXE.rst

-argparse.FileType now supports an argument of '-' in binary mode, returning
-the .buffer attribute of sys.stdin/sys.stdout as appropriate. Modes
-including 'x' and 'a' are treated equivalently to 'w' when argument is '-'.
-Patch contributed by Josh Rosenberg

Misc/NEWS.d/next/Library/2021-12-25-14-13-14.bpo-40296.p0YVGB.rst

-Fix supporting generic aliases in :mod:`pydoc`.

Misc/NEWS.d/next/Library/2022-01-18-01-29-38.bpo-46421.9LdmNr.rst

-Fix a unittest issue where if the command was invoked as ``python -m
-unittest`` and the filename(s) began with a dot (.), a ``ValueError`` is
-returned.

Misc/NEWS.d/next/Library/2022-03-15-09-29-52.bpo-47022.uaEDcI.rst

-The :mod:`asynchat`, :mod:`asyncore` and  :mod:`smtpd` modules have been
-deprecated since at least Python 3.6. Their documentation has now been
-updated to note they will removed in Python 3.12 (:pep:`594`).

Misc/NEWS.d/next/Library/2022-03-15-18-32-12.bpo-45997.4n2aVU.rst

-Fix :class:`asyncio.Semaphore` re-aquiring FIFO order.

Misc/NEWS.d/next/Library/2022-03-16-18-25-19.bpo-2604.jeopdL.rst

-Fix bug where doctests using globals would fail when run multiple times.

Misc/NEWS.d/next/Library/2022-03-18-13-30-40.bpo-47061.etLHK5.rst

-Deprecate the various modules listed by :pep:`594`:
-
-aifc, asynchat, asyncore, audioop, cgi, cgitb, chunk, crypt,
-imghdr, msilib, nntplib, nis, ossaudiodev, pipes, smtpd,
-sndhdr, spwd, sunau, telnetlib, uu, xdrlib

Misc/NEWS.d/next/Library/2022-03-19-13-38-29.bpo-39394.7j6WL6.rst

-A warning about inline flags not at the start of the regular expression now
-contains the position of the flag.

Misc/NEWS.d/next/Library/2022-03-19-15-54-41.bpo-38256.FoMbjE.rst

-Fix :func:`binascii.crc32` when it is compiled to use zlib'c crc32 to
-work properly on inputs 4+GiB in length instead of returning the wrong
-result. The workaround prior to this was to always feed the function
-data in increments smaller than 4GiB or to just call the zlib module
-function.

Misc/NEWS.d/next/Library/2022-03-19-19-56-04.bpo-42369.Ok828t.rst

-Fix thread safety of :meth:`zipfile._SharedFile.tell` to avoid a "zipfile.BadZipFile: Bad CRC-32 for file" exception when reading a :class:`ZipFile` from multiple threads.

Misc/NEWS.d/next/Library/2022-03-20-22-13-24.bpo-23691.Nc2TrW.rst

-Protect the :func:`re.finditer` iterator from re-entering.

Misc/NEWS.d/next/Library/2022-03-23-15-31-02.bpo-47101.rVSld-.rst

-:const:`hashlib.algorithms_available` now lists only algorithms that are
-provided by activated crypto providers on OpenSSL 3.0. Legacy algorithms are
-not listed unless the legacy provider has been loaded into the default
-OSSL context.

README.rst

-This is Python version 3.9.11
+This is Python version 3.9.12
 =============================
 
 .. image:: https://travis-ci.org/python/cpython.svg?branch=3.9