Python 3.11.0a6

Include/patchlevel.h

@@ -20,10 +20,10 @@
 #define PY_MINOR_VERSION        11
 #define PY_MICRO_VERSION        0
 #define PY_RELEASE_LEVEL        PY_RELEASE_LEVEL_ALPHA
-#define PY_RELEASE_SERIAL       5
+#define PY_RELEASE_SERIAL       6
 
 /* Version as a string */
-#define PY_VERSION              "3.11.0a5+"
+#define PY_VERSION              "3.11.0a6"
 /*--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 Thu Feb  3 18:35:23 2022
+# Autogenerated by Sphinx on Mon Mar  7 12:29:42 2022
 topics = {'assert': 'The "assert" statement\n'
            '**********************\n'
            '\n'
@@ -2325,15 +2325,18 @@
              'sequence\n'
              '(such as a string, tuple or list) or other iterable object:\n'
              '\n'
-             '   for_stmt ::= "for" target_list "in" expression_list ":" '
-             'suite\n'
+             '   for_stmt ::= "for" target_list "in" starred_list ":" suite\n'
              '                ["else" ":" suite]\n'
              '\n'
              'The expression list is evaluated once; it should yield an '
              'iterable\n'
-             'object.  An iterator is created for the result of the\n'
-             '"expression_list".  The suite is then executed once for each '
-             'item\n'
+             'object.  An iterator is created for the result of the '
+             '"starred_list".\n'
+             'The expression list can contain starred elements ("*x, *y") that '
+             'will\n'
+             'be unpacked in the final iterator (as when constructing a '
+             '"tuple" or\n'
+             '"list" literal). The suite is then executed once for each item\n'
              'provided by the iterator, in the order returned by the '
              'iterator.  Each\n'
              'item in turn is assigned to the target list using the standard '
@@ -2382,6 +2385,10 @@
              ':= a to b do"; e.g., "list(range(3))" returns the list "[0, 1, '
              '2]".\n'
              '\n'
+             'Changed in version 3.11: Starred elements are now allowed in '
+             'the\n'
+             'expression list.\n'
+             '\n'
              '\n'
              'The "try" statement\n'
              '===================\n'
@@ -5891,12 +5898,16 @@
         'sequence\n'
         '(such as a string, tuple or list) or other iterable object:\n'
         '\n'
-        '   for_stmt ::= "for" target_list "in" expression_list ":" suite\n'
+        '   for_stmt ::= "for" target_list "in" starred_list ":" suite\n'
         '                ["else" ":" suite]\n'
         '\n'
         'The expression list is evaluated once; it should yield an iterable\n'
-        'object.  An iterator is created for the result of the\n'
-        '"expression_list".  The suite is then executed once for each item\n'
+        'object.  An iterator is created for the result of the '
+        '"starred_list".\n'
+        'The expression list can contain starred elements ("*x, *y") that '
+        'will\n'
+        'be unpacked in the final iterator (as when constructing a "tuple" or\n'
+        '"list" literal). The suite is then executed once for each item\n'
         'provided by the iterator, in the order returned by the iterator.  '
         'Each\n'
         'item in turn is assigned to the target list using the standard rules\n'
@@ -5933,7 +5944,10 @@
         'all by the loop.  Hint: the built-in function "range()" returns an\n'
         'iterator of integers suitable to emulate the effect of Pascal’s "for '
         'i\n'
-        ':= a to b do"; e.g., "list(range(3))" returns the list "[0, 1, 2]".\n',
+        ':= a to b do"; e.g., "list(range(3))" returns the list "[0, 1, 2]".\n'
+        '\n'
+        'Changed in version 3.11: Starred elements are now allowed in the\n'
+        'expression list.\n',
  'formatstrings': 'Format String Syntax\n'
                   '********************\n'
                   '\n'
@@ -6293,19 +6307,19 @@
                   '"\'0\'" no\n'
                   'longer affects the default alignment for strings.\n'
                   '\n'
-                  'The *precision* is a decimal number indicating how many '
+                  'The *precision* is a decimal integer indicating how many '
                   'digits should\n'
-                  'be displayed after the decimal point for a floating point '
-                  'value\n'
-                  'formatted with "\'f\'" and "\'F\'", or before and after the '
-                  'decimal point\n'
-                  'for a floating point value formatted with "\'g\'" or '
-                  '"\'G\'".  For non-\n'
-                  'number types the field indicates the maximum field size - '
-                  'in other\n'
-                  'words, how many characters will be used from the field '
-                  'content. The\n'
-                  '*precision* is not allowed for integer values.\n'
+                  'be displayed after the decimal point for presentation types '
+                  '"\'f\'" and\n'
+                  '"\'F\'", or before and after the decimal point for '
+                  'presentation types\n'
+                  '"\'g\'" or "\'G\'".  For string presentation types the '
+                  'field indicates the\n'
+                  'maximum field size - in other words, how many characters '
+                  'will be used\n'
+                  'from the field content.  The *precision* is not allowed for '
+                  'integer\n'
+                  'presentation types.\n'
                   '\n'
                   'Finally, the *type* determines how the data should be '
                   'presented.\n'

Misc/NEWS.d/next/Build/2022-01-19-11-08-32.bpo-46430.k403m_.rst

-Intern strings in deep-frozen modules. Patch by Kumar Aditya.

Misc/NEWS.d/next/Build/2022-01-31-15-15-08.bpo-40280.r1AYNW.rst

-Fix wasm32-emscripten test failures and platform issues.
-- Disable syscalls that are not supported or don't work, e.g.
-  wait, getrusage, prlimit, mkfifo, mknod, setres[gu]id, setgroups.
-- Use fd_count to cound open fds.
-- Add more checks for subprocess and fork.
-- Add workarounds for missing _multiprocessing and failing socket.accept().
-- Enable bzip2.
-- Disable large file support.
-- Disable signal.alarm.

Misc/NEWS.d/next/Build/2022-02-02-11-26-46.bpo-46608.cXH9po.rst

-Exclude marshalled-frozen data if deep-freezing to save 300 KB disk space.  This includes adding
-a new ``is_package`` field to :c:struct:`_frozen`.  Patch by Kumar Aditya.

Misc/NEWS.d/next/Build/2022-02-04-21-26-50.bpo-46640.HXUmQp.rst

-Building Python now requires a C99 ``<math.h>`` header file providing a ``NAN``
-constant, or the ``__builtin_nan()`` built-in function.
-Patch by Victor Stinner.

Misc/NEWS.d/next/Build/2022-02-06-14-04-20.bpo-46656.ajJjkh.rst

-Building Python now requires support for floating point Not-a-Number (NaN):
-remove the ``Py_NO_NAN`` macro. Patch by by Victor Stinner.

Misc/NEWS.d/next/Build/2022-02-25-00-51-16.bpo-46656.MD783M.rst

-Building Python now requires a C11 compiler without optional C11 features.
-Patch by Victor Stinner.

Misc/NEWS.d/next/Build/2022-02-25-16-19-40.bpo-46860.jfciLG.rst

-Respect `--with-suffix` when building on case-insensitive file systems.

Misc/NEWS.d/next/C API/2022-02-02-17-58-49.bpo-46613.__ZdpH.rst

-Added function :c:func:`PyType_GetModuleByDef`, which allows accesss to
-module state when a method's defining class is not available.

Misc/NEWS.d/next/C API/2022-02-06-20-14-21.bpo-45412.XJVaGW.rst

-Remove the ``HAVE_PY_SET_53BIT_PRECISION`` macro (moved to the internal C API).
-Patch by Victor Stinner.

Misc/NEWS.d/next/C API/2022-02-07-18-47-00.bpo-45459.0FCWM8.rst

-Rename ``Include/buffer.h`` header file to ``Include/pybuffer.h`` to avoid
-conflits with projects having an existing ``buffer.h`` header file. Patch by
-Victor Stinner.

Misc/NEWS.d/next/C API/2022-02-23-16-13-17.bpo-46836.ZYyPF_.rst

-Move the :c:type:`PyFrameObject` type definition (``struct _frame``) to the
-internal C API ``pycore_frame.h`` header file. Patch by Victor Stinner.

Misc/NEWS.d/next/C API/2022-02-24-13-13-16.bpo-46748.aG1zb3.rst

-Python's public headers no longer import ``<stdbool.h>``, leaving code that
-embedd/extends Python free to define ``bool``, ``true`` and ``false``.

Misc/NEWS.d/next/Core and Builtins/2022-01-09-11-59-04.bpo-30496.KvuuGT.rst

-Fixed a minor portability issue in the implementation of
-:c:func:`PyLong_FromLong`, and added a fast path for single-digit integers
-to :c:func:`PyLong_FromLongLong`.

Misc/NEWS.d/next/Core and Builtins/2022-01-27-14-20-18.bpo-45828.kzk4fl.rst

-The bytecode compiler now attempts to apply runtime stack manipulations at
-compile-time (whenever it is feasible to do so).

Misc/NEWS.d/next/Core and Builtins/2022-02-04-04-33-18.bpo-46615.puArY9.rst

-When iterating over sets internally in ``setobject.c``, acquire strong references to the resulting items from the set.  This prevents crashes in corner-cases of various set operations where the set gets mutated.

Misc/NEWS.d/next/Core and Builtins/2022-02-05-14-46-21.bpo-46323.FC1OJg.rst

-Use :c:func:`PyObject_Vectorcall` while calling ctypes callback function.
-Patch by Dong-hee Na.

Misc/NEWS.d/next/Core and Builtins/2022-02-06-23-08-30.bpo-40479.zED3Zu.rst

-Add a missing call to ``va_end()`` in ``Modules/_hashopenssl.c``.