mirror of
https://github.com/python/cpython.git
synced 2024-11-24 02:15:30 +08:00
Python 3.10.0a3
This commit is contained in:
Pablo Galindo
parent
c0afb7fa0e
commit
8bae2a958e
@ -20,10 +20,10 @@
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#define PY_MINOR_VERSION 10
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#define PY_MICRO_VERSION 0
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#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_ALPHA
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#define PY_RELEASE_SERIAL 2
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#define PY_RELEASE_SERIAL 3
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/* Version as a string */
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#define PY_VERSION "3.10.0a2+"
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#define PY_VERSION "3.10.0a3"
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/*--end constants--*/
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/* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.
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@ -1,5 +1,5 @@
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# -*- coding: utf-8 -*-
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# Autogenerated by Sphinx on Tue Nov 3 00:01:01 2020
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# Autogenerated by Sphinx on Mon Dec 7 19:34:00 2020
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topics = {'assert': 'The "assert" statement\n'
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'**********************\n'
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'\n'
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@ -5301,24 +5301,23 @@ topics = {'assert': 'The "assert" statement\n'
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'for the\n'
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'conversion. The alternate form is defined differently for '
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'different\n'
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'types. This option is only valid for integer, float, '
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'complex and\n'
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'Decimal types. For integers, when binary, octal, or '
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'hexadecimal output\n'
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'is used, this option adds the prefix respective "\'0b\'", '
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'"\'0o\'", or\n'
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'"\'0x\'" to the output value. For floats, complex and '
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'Decimal the\n'
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'alternate form causes the result of the conversion to '
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'always contain a\n'
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'decimal-point character, even if no digits follow it. '
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'Normally, a\n'
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'decimal-point character appears in the result of these '
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'conversions\n'
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'only if a digit follows it. In addition, for "\'g\'" and '
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'"\'G\'"\n'
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'conversions, trailing zeros are not removed from the '
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'result.\n'
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'types. This option is only valid for integer, float and '
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'complex\n'
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'types. For integers, when binary, octal, or hexadecimal '
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'output is\n'
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'used, this option adds the prefix respective "\'0b\'", '
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'"\'0o\'", or "\'0x\'"\n'
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'to the output value. For float and complex the alternate '
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'form causes\n'
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'the result of the conversion to always contain a '
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'decimal-point\n'
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'character, even if no digits follow it. Normally, a '
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'decimal-point\n'
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'character appears in the result of these conversions only '
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'if a digit\n'
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'follows it. In addition, for "\'g\'" and "\'G\'" '
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'conversions, trailing\n'
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'zeros are not removed from the result.\n'
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'\n'
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'The "\',\'" option signals the use of a comma for a '
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'thousands separator.\n'
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@ -5456,9 +5455,8 @@ topics = {'assert': 'The "assert" statement\n'
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'the integer\n'
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'to a floating point number before formatting.\n'
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'\n'
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'The available presentation types for floating point and '
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'decimal values\n'
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'are:\n'
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'The available presentation types for "float" and "Decimal" '
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'values are:\n'
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'\n'
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' '
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'+-----------+------------------------------------------------------------+\n'
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@ -5467,24 +5465,50 @@ topics = {'assert': 'The "assert" statement\n'
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'|\n'
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' '
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'|===========|============================================================|\n'
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' | "\'e\'" | Exponent notation. Prints the number in '
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'scientific |\n'
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' | | notation using the letter ‘e’ to indicate '
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'the exponent. |\n'
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' | | The default precision is '
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'"6". |\n'
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' | "\'e\'" | Scientific notation. For a given '
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'precision "p", formats |\n'
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' | | the number in scientific notation with the '
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'letter ‘e’ |\n'
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' | | separating the coefficient from the '
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'exponent. The |\n'
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' | | coefficient has one digit before and "p" '
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'digits after the |\n'
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' | | decimal point, for a total of "p + 1" '
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'significant digits. |\n'
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' | | With no precision given, uses a precision '
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'of "6" digits |\n'
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' | | after the decimal point for "float", and '
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'shows all |\n'
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' | | coefficient digits for "Decimal". If no '
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'digits follow the |\n'
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' | | decimal point, the decimal point is also '
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'removed unless |\n'
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' | | the "#" option is '
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'used. |\n'
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' '
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'+-----------+------------------------------------------------------------+\n'
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' | "\'E\'" | Exponent notation. Same as "\'e\'" '
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'except it uses an upper |\n'
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' | "\'E\'" | Scientific notation. Same as "\'e\'" '
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'except it uses an upper |\n'
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' | | case ‘E’ as the separator '
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'character. |\n'
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' '
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'+-----------+------------------------------------------------------------+\n'
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' | "\'f\'" | Fixed-point notation. Displays the '
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'number as a fixed-point |\n'
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' | | number. The default precision is '
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'"6". |\n'
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' | "\'f\'" | Fixed-point notation. For a given '
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'precision "p", formats |\n'
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' | | the number as a decimal number with '
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'exactly "p" digits |\n'
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' | | following the decimal point. With no '
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'precision given, uses |\n'
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' | | a precision of "6" digits after the '
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'decimal point for |\n'
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' | | "float", and uses a precision large enough '
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'to show all |\n'
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' | | coefficient digits for "Decimal". If no '
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'digits follow the |\n'
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' | | decimal point, the decimal point is also '
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'removed unless |\n'
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' | | the "#" option is '
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'used. |\n'
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' '
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'+-----------+------------------------------------------------------------+\n'
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' | "\'F\'" | Fixed-point notation. Same as "\'f\'", '
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@ -5530,9 +5554,14 @@ topics = {'assert': 'The "assert" statement\n'
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' | | regardless of the precision. A precision '
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'of "0" is |\n'
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' | | treated as equivalent to a precision of '
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'"1". The default |\n'
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' | | precision is '
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'"6". |\n'
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'"1". With no |\n'
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' | | precision given, uses a precision of "6" '
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'significant |\n'
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' | | digits for "float", and shows all '
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'coefficient digits for |\n'
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' | | '
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'"Decimal". '
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'|\n'
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' '
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'+-----------+------------------------------------------------------------+\n'
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' | "\'G\'" | General format. Same as "\'g\'" except '
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1504
Misc/NEWS.d/3.10.0a3.rst
Normal file
1504
Misc/NEWS.d/3.10.0a3.rst
Normal file
File diff suppressed because it is too large
Load Diff
@ -1,2 +0,0 @@
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Addressed three compiler warnings found by undefined behavior sanitizer
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(ubsan).
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@ -1 +0,0 @@
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Support was removed for AIX 5.3 and below. See :issue:`40680`.
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@ -1,3 +0,0 @@
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It is no longer possible to build the ``_ctypes`` extension module without
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:c:type:`wchar_t` type: remove ``CTYPES_UNICODE`` macro. Anyway, the
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:c:type:`wchar_t` type is required to build Python. Patch by Victor Stinner.
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@ -1,3 +0,0 @@
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Fix building ``pycore_bitutils.h`` internal header on old clang version
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without ``__builtin_bswap16()`` (ex: Xcode 4.6.3 on Mac OS X 10.7). Patch by
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Joshua Root and Victor Stinner.
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@ -1,4 +0,0 @@
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Fix a race condition in "make regen-all" when make -jN option is used to run
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jobs in parallel. The clinic.py script now only use atomic write to write
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files. Moveover, generated files are now left unchanged if the content does not
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change, to not change the file modification time.
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@ -1 +0,0 @@
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remove libnet dependency from detect_socket() for VxWorks
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@ -1,6 +0,0 @@
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:c:func:`PyList_SET_ITEM`, :c:func:`PyTuple_SET_ITEM` and :c:func:`PyCell_SET`
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macros can no longer be used as l-value or r-value. For example,
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``x = PyList_SET_ITEM(a, b, c)`` and ``PyList_SET_ITEM(a, b, c) = x`` now fail
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with a compiler error. It prevents bugs like
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``if (PyList_SET_ITEM (a, b, c) < 0) ...`` test.
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Patch by Zackery Spytz and Victor Stinner.
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@ -1 +0,0 @@
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:c:func:`PyType_GetSlot()` can now accept static types.
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@ -1 +0,0 @@
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Add dedicated entry to PyAsyncMethods for sending values
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@ -1,4 +0,0 @@
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The :c:data:`METH_FASTCALL` calling convention is added to the limited API.
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The functions :c:func:`PyModule_AddType`, :c:func:`PyType_FromModuleAndSpec`,
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:c:func:`PyType_GetModule` and :c:func:`PyType_GetModuleState` are added to
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the limited API on Windows.
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@ -1,3 +0,0 @@
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Added :c:func:`PyModule_AddObjectRef` function: similar to
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:c:func:`PyModule_AddObject` but don't steal a reference to the value on
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success. Patch by Victor Stinner.
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@ -1,2 +0,0 @@
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The :c:func:`PyType_FromModuleAndSpec` function now accepts NULL ``tp_doc``
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slot.
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@ -1,3 +0,0 @@
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When :c:func:`Py_Initialize` is called twice, the second call now updates
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more :mod:`sys` attributes for the configuration, rather than only
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:data:`sys.argv`. Patch by Victor Stinner.
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@ -1,2 +0,0 @@
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Added :c:func:`Py_NewRef` and :c:func:`Py_XNewRef` functions to increment the
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reference count of an object and return the object. Patch by Victor Stinner.
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@ -1,5 +0,0 @@
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The :c:func:`PyConfig_Read` function now only parses :c:member:`PyConfig.argv`
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arguments once: :c:member:`PyConfig.parse_argv` is set to ``2`` after arguments
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are parsed. Since Python arguments are strippped from
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:c:member:`PyConfig.argv`, parsing arguments twice would parse the application
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options as Python options.
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@ -1,7 +0,0 @@
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:c:func:`Py_GetPath`, :c:func:`Py_GetPrefix`, :c:func:`Py_GetExecPrefix`,
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:c:func:`Py_GetProgramFullPath`, :c:func:`Py_GetPythonHome` and
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:c:func:`Py_GetProgramName` functions now return ``NULL`` if called before
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:c:func:`Py_Initialize` (before Python is initialized). Use the new
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:ref:`Python Initialization Configuration API <init-config>` to get the
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:ref:`Python Path Configuration. <init-path-config>`. Patch by Victor
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Stinner.
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@ -1,3 +0,0 @@
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The ``Py_TRASHCAN_BEGIN`` macro no longer accesses PyTypeObject attributes,
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but now can get the condition by calling the new private
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:c:func:`_PyTrash_cond()` function which hides implementation details.
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@ -1,3 +0,0 @@
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Removed the undocumented ``PyOS_InitInterrupts()`` function. Initializing
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Python already implicitly installs signal handlers: see
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:c:member:`PyConfig.install_signal_handlers`. Patch by Victor Stinner.
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@ -1 +0,0 @@
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Port _hashlib extension module to multiphase initialization (:pep:`489`)
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@ -1 +0,0 @@
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Port _random extension module to multiphase initialization (:pep:`489`)
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@ -1,2 +0,0 @@
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Port :mod:`grp` and :mod:`pwd` extension modules to multiphase
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initialization (:pep:`489`)
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@ -1,2 +0,0 @@
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Port :mod:`symtable` extension module to multiphase initialization
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(:pep:`489`)
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@ -1,4 +0,0 @@
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Convert :c:func:`Py_TYPE` and :c:func:`Py_SIZE` back to macros to allow
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using them as an l-value. Many third party C extension modules rely on the
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ability of using Py_TYPE() and Py_SIZE() to set an object type and size:
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``Py_TYPE(obj) = type;`` and ``Py_SIZE(obj) = size;``.
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@ -1 +0,0 @@
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Port _queue extension module to multiphase initialization (:pep:`489`)
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@ -1 +0,0 @@
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Port :mod:`gc` extension module to multiphase initialization (:pep:`489`)
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@ -1 +0,0 @@
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Port :mod:`spwd` extension module to multiphase initialization (:pep:`489`)
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@ -1 +0,0 @@
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Port _struct extension module to multiphase initialization (:pep:`489`)
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@ -1 +0,0 @@
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Port _posixshmem extension module to multiphase initialization (:pep:`489`)
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@ -1,2 +0,0 @@
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Port _posixsubprocess extension module to multiphase initialization
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(:pep:`489`).
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@ -1,2 +0,0 @@
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Port :mod:`select` extension module to multiphase initialization
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(:pep:`489`).
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@ -1,3 +0,0 @@
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The :c:func:`PyType_FromSpecWithBases` and
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:c:func:`PyType_FromModuleAndSpec` functions now accept a single class as
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the *bases* argument.
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@ -1,2 +0,0 @@
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The import system triggers a `ImportWarning` when it falls back to using
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`load_module()`.
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@ -1,5 +0,0 @@
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Allow ``GenericAlias`` objects to use :ref:`union type expressions <types-union>`.
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This allows expressions like ``list[int] | dict[float, str]`` where previously a
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``TypeError`` would have been thrown. This also fixes union type expressions
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not de-duplicating ``GenericAlias`` objects. (Contributed by Ken Jin in
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:issue:`42233`.)
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@ -1 +0,0 @@
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Convert :mod:`mmap` to use heap types.
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@ -1,2 +0,0 @@
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Improved accuracy of line tracing events and f_lineno attribute of Frame
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objects. See PEP 626 for details.
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@ -1 +0,0 @@
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Convert :mod:`queue` to use heap types.
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@ -1,3 +0,0 @@
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Fixed a bug with the LOAD_ATTR opcode cache that was not respecting
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monkey-patching a class-level attribute to make it a descriptor. Patch by
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Pablo Galindo.
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@ -1,3 +0,0 @@
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Optimise constant subexpressions that appear as part of named expressions
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(previously the AST optimiser did not descend into named expressions).
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Patch by Nick Coghlan.
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@ -1 +0,0 @@
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:class:`types.GenericAlias` objects can now be the targets of weakrefs.
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@ -1,4 +0,0 @@
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On Windows, fix a regression in signal handling which prevented to interrupt
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a program using CTRL+C. The signal handler can be run in a thread different
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than the Python thread, in which case the test deciding if the thread can
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handle signals is wrong.
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@ -1 +0,0 @@
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Make sure that the compiler front-end produces a well-formed control flow graph. Be be more aggressive in the compiler back-end, as it is now safe to do so.
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@ -1 +0,0 @@
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Allow an unparenthesized walrus in subscript indexes.
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@ -1,2 +0,0 @@
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Fix a regression introduced by the new parser, where an unparenthesized walrus operator
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was not allowed within generator expressions.
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@ -1,2 +0,0 @@
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Change function parameters annotations internal representation to tuple
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of strings. Patch provided by Yurii Karabas.
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@ -1,2 +0,0 @@
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Allow assignment expressions in set literals and set comprehensions as per
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PEP 572. Patch by Pablo Galindo.
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@ -1,4 +0,0 @@
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On Windows, the ``SIGINT`` event, ``_PyOS_SigintEvent()``, is now created
|
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even if Python is configured to not install signal handlers (if
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:c:member:`PyConfig.install_signal_handlers` equals to 0, or
|
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``Py_InitializeEx(0)``).
|
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@ -1,2 +0,0 @@
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Port the ``_warnings`` extension module to the multi-phase initialization
|
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API (:pep:`489`). Patch by Victor Stinner.
|
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@ -1,2 +0,0 @@
|
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Speed up comparison of bytes objects with non-bytes objects when option :option:`-b`
|
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is specified. Speed up comparison of bytarray objects with non-buffer object.
|
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@ -1,2 +0,0 @@
|
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PEP 626: After a return, the f_lineno attribute of a frame is always the
|
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last line executed.
|
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@ -1,2 +0,0 @@
|
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Improve handling of exceptions near recursion limit. Converts a number of
|
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Fatal Errors in RecursionErrors.
|
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@ -1,26 +0,0 @@
|
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Several built-in and standard library types now ensure that their internal
|
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result tuples are always tracked by the :term:`garbage collector
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<garbage collection>`:
|
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|
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- :meth:`collections.OrderedDict.items() <collections.OrderedDict>`
|
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|
||||
- :meth:`dict.items`
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||||
|
||||
- :func:`enumerate`
|
||||
|
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- :func:`functools.reduce`
|
||||
|
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- :func:`itertools.combinations`
|
||||
|
||||
- :func:`itertools.combinations_with_replacement`
|
||||
|
||||
- :func:`itertools.permutations`
|
||||
|
||||
- :func:`itertools.product`
|
||||
|
||||
- :func:`itertools.zip_longest`
|
||||
|
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- :func:`zip`
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|
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Previously, they could have become untracked by a prior garbage collection.
|
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Patch by Brandt Bucher.
|
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@ -1,4 +0,0 @@
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``types.GenericAlias`` will now raise a ``TypeError`` when attempting to
|
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initialize with a keyword argument. Previously, this would cause the
|
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interpreter to crash if the interpreter was compiled with debug symbols.
|
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This does not affect interpreters compiled for release. Patch by Ken Jin.
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@ -1,2 +0,0 @@
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Language and version switchers, previously maintained in every cpython
|
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branches, are now handled by docsbuild-script.
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@ -1 +0,0 @@
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Fix the URL for the IMAP protocol documents.
|
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@ -1,2 +0,0 @@
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Tentative to deprecate ``make suspicious`` by first removing it from the CI
|
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and documentation builds, but keeping it around for manual uses.
|
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@ -1 +0,0 @@
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Get docstrings for IDLE calltips more often by using inspect.getdoc.
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@ -1 +0,0 @@
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Fix reporting offset of the RE error in searchengine.
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@ -1,3 +0,0 @@
|
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Keep IDLE running on macOS. Remove obsolete workaround that prevented
|
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running files with shortcuts when using new universal2 installers built
|
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on macOS 11.
|
||||
@ -1 +0,0 @@
|
||||
Add slice support to :attr:`pathlib.PurePath.parents`.
|
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@ -1,2 +0,0 @@
|
||||
Add an ``is_async`` identifier to :mod:`pyclbr`'s ``Function`` objects.
|
||||
Patch by Batuhan Taskaya
|
||||
@ -1 +0,0 @@
|
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Fix time-of-check/time-of-action issue in subprocess.Popen.send_signal.
|
||||
@ -1 +0,0 @@
|
||||
Add AsyncContextDecorator to contextlib to support async context manager as a decorator.
|
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@ -1,2 +0,0 @@
|
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Add func:`os.eventfd` to provide a low level interface for Linux's event
|
||||
notification file descriptor.
|
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@ -1,2 +0,0 @@
|
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:mod:`urllib.request` and :mod:`http.client` now send ``http/1.1`` ALPN
|
||||
extension during TLS handshake when no custom context is supplied.
|
||||
@ -1,4 +0,0 @@
|
||||
Extracting a symlink from a tarball should succeed and overwrite the symlink
|
||||
if it already exists. The fix is to remove the existing file or symlink
|
||||
before extraction. Based on patch by Chris AtLee, Jeffrey Kintscher, and
|
||||
Senthil Kumaran.
|
||||
@ -1,2 +0,0 @@
|
||||
Added missing connect_accepted_socket() method to
|
||||
``asyncio.AbstractEventLoop``.
|
||||
@ -1 +0,0 @@
|
||||
:attr:`pathlib.PurePath.parents` now supports negative indexing. Patch contributed by Yaroslav Pankovych.
|
||||
@ -1 +0,0 @@
|
||||
Add async context manager support for contextlib.nullcontext.
|
||||
@ -1,2 +0,0 @@
|
||||
Clarify the error message for :exc:`asyncio.IncompleteReadError` when
|
||||
``expected`` is ``None``.
|
||||
@ -1,2 +0,0 @@
|
||||
Expose the :c:func:`splice` as :func:`os.splice` in the :mod:`os` module.
|
||||
Patch by Pablo Galindo
|
||||
@ -1 +0,0 @@
|
||||
Fix :meth:`pprint.PrettyPrinter.format` overrides being ignored for contents of small containers. The :func:`pprint._safe_repr` function was removed.
|
||||
@ -1 +0,0 @@
|
||||
Added support for the XPath ``!=`` operator in xml.etree
|
||||
@ -1,2 +0,0 @@
|
||||
Convert :mod:`sqlite3` to use heap types (PEP 384).
|
||||
Patch by Erlend E. Aasland.
|
||||
@ -1 +0,0 @@
|
||||
Enum: fix regression involving inheriting a multiply-inherited enum
|
||||
@ -1,4 +0,0 @@
|
||||
The :func:`traceback.format_exception`,
|
||||
:func:`traceback.format_exception_only`, and
|
||||
:func:`traceback.print_exception` functions can now take an exception object
|
||||
as a positional-only argument.
|
||||
@ -1,5 +0,0 @@
|
||||
Windows: Change ``sysconfig.get_config_var('EXT_SUFFIX')`` to the expected
|
||||
full ``platform_tag.extension`` format. Previously it was hard-coded to
|
||||
``.pyd``, now it is compatible with ``distutils.sysconfig`` and will result
|
||||
in something like ``.cp38-win_amd64.pyd``. This brings windows into
|
||||
conformance with the other platforms.
|
||||
@ -1,2 +0,0 @@
|
||||
The `load_module()` methods found in importlib now trigger a
|
||||
DeprecationWarning.
|
||||
@ -1,2 +0,0 @@
|
||||
Update various modules in the stdlib to fall back on `__spec__.loader` when
|
||||
`__loader__` isn't defined on a module.
|
||||
@ -1 +0,0 @@
|
||||
Improve asyncio.wait function to create the futures set just one time.
|
||||
@ -1,4 +0,0 @@
|
||||
Fix a stack overflow error for asyncio Task or Future repr().
|
||||
|
||||
The overflow occurs under some circumstances when a Task or Future
|
||||
recursively returns itself.
|
||||
@ -1 +0,0 @@
|
||||
webbrowser: Ignore *NotADirectoryError* when calling ``xdg-settings``.
|
||||
@ -1,3 +0,0 @@
|
||||
On Unix, the :func:`os.device_encoding` function now returns ``'UTF-8'`` rather
|
||||
than the device encoding if the :ref:`Python UTF-8 Mode <utf8-mode>` is
|
||||
enabled.
|
||||
@ -1 +0,0 @@
|
||||
Fixed writing binary Plist files larger than 4 GiB.
|
||||
@ -1,3 +0,0 @@
|
||||
Added :func:`threading.gettrace` and :func:`threading.getprofile` to
|
||||
retrieve the functions set by :func:`threading.settrace` and
|
||||
:func:`threading.setprofile` respectively. Patch by Mario Corchero.
|
||||
@ -1,3 +0,0 @@
|
||||
``sqlite3.OptimizedUnicode`` has been undocumented and obsolete since Python
|
||||
3.3, when it was made an alias to :class:`str`. It is now deprecated,
|
||||
scheduled for removal in Python 3.12.
|
||||
@ -1,2 +0,0 @@
|
||||
Mock objects which are not unsafe will now raise an AttributeError if an attribute with the prefix asert, aseert,
|
||||
or assrt is accessed, in addition to this already happening for the prefixes assert or assret.
|
||||
@ -1,5 +0,0 @@
|
||||
Implement PEP 451/spec methods on zipimport.zipimporter: find_spec(),
|
||||
create_module(), and exec_module().
|
||||
|
||||
This also allows for the documented deprecation of find_loader(),
|
||||
find_module(), and load_module().
|
||||
@ -1,3 +0,0 @@
|
||||
Add :data:`threading.__excepthook__` to allow retrieving the original value
|
||||
of :func:`threading.excepthook` in case it is set to a broken or a different
|
||||
value. Patch by Mario Corchero.
|
||||
@ -1 +0,0 @@
|
||||
Fix `os.sendfile()` on illumos.
|
||||
@ -1 +0,0 @@
|
||||
The ``onerror`` callback from ``shutil.rmtree`` now receives correct function when ``os.open`` fails.
|
||||
@ -1 +0,0 @@
|
||||
Port _ssl extension module to heap types.
|
||||
@ -1,3 +0,0 @@
|
||||
Fix the :class:`threading.Thread` class at fork: do nothing if the thread is
|
||||
already stopped (ex: fork called at Python exit). Previously, an error was
|
||||
logged in the child process.
|
||||
@ -1 +0,0 @@
|
||||
Fixed support of non-BMP characters in :mod:`tkinter` on macOS.
|
||||
@ -1,5 +0,0 @@
|
||||
:func:`time.perf_counter()` on Windows and :func:`time.monotonic()` on macOS
|
||||
are now system-wide. Previously, they used an offset computed at startup to
|
||||
reduce the precision loss caused by the float type. Use
|
||||
:func:`time.perf_counter_ns()` and :func:`time.monotonic_ns()` added in Python
|
||||
3.7 to avoid this precision loss.
|
||||
@ -1,2 +0,0 @@
|
||||
Fix various issues with ``typing.Literal`` parameter handling (flatten,
|
||||
deduplicate, use type to cache key). Patch provided by Yurii Karabas.
|
||||
@ -1,4 +0,0 @@
|
||||
Fixed :meth:`tkinter.ttk.Style.map`. The function accepts now the
|
||||
representation of the default state as empty sequence (as returned by
|
||||
``Style.map()``). The structure of the result is now the same on all platform
|
||||
and does not depend on the value of ``wantobjects``.
|
||||
@ -1,3 +0,0 @@
|
||||
:func:`time.time()`, :func:`time.perf_counter()` and
|
||||
:func:`time.monotonic()` functions can no longer fail with a Python fatal
|
||||
error, instead raise a regular Python exception on failure.
|
||||
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Reference in New Issue
Block a user