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Merge tag 'v3.8.7' into 3.8
Python 3.8.7
2 parents 305eae8 + 6503f05 commit e3ffe35

21 files changed

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‎Include/patchlevel.h‎

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#define PY_MAJOR_VERSION 3
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#define PY_MINOR_VERSION 8
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#define PY_MICRO_VERSION 7
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#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_GAMMA
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#define PY_RELEASE_SERIAL 1
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#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_FINAL
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#define PY_RELEASE_SERIAL 0
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/* Version as a string */
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#define PY_VERSION "3.8.7rc1+"
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#define PY_VERSION "3.8.7"
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/*--end constants--*/
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/* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.

‎Lib/pydoc_data/topics.py‎

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# -*- coding: utf-8 -*-
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# Autogenerated by Sphinx on Mon Dec 7 15:10:25 2020
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# Autogenerated by Sphinx on Mon Dec 21 17:22:46 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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'compatible\n'
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'with an exception if it is the class or a base class of the '
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'exception\n'
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'object or a tuple containing an item compatible with the '
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'exception.\n'
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'object, or a tuple containing an item that is the class or a '
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'base\n'
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'class of the exception object.\n'
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'\n'
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'If no except clause matches the exception, the search for an '
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'exception\n'
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' | | formats the result in either fixed-point '
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'format or in |\n'
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' | | scientific notation, depending on its '
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'magnitude. The |\n'
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' | | precise rules are as follows: suppose that '
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'the result |\n'
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'magnitude. A |\n'
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' | | precision of "0" is treated as equivalent '
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'to a precision |\n'
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' | | of "1". The precise rules are as follows: '
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'suppose that |\n'
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' | | the result formatted with presentation '
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'type "\'e\'" and |\n'
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' | | precision "p-1" would have exponent '
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'"exp". Then, if "m <= |\n'
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' | | exp < p", where "m" is -4 for floats and '
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'-6 for |\n'
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' | | "Decimals", the number is formatted with '
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'presentation type |\n'
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' | | "\'f\'" and precision "p-1-exp". '
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'Otherwise, the number is |\n'
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' | | formatted with presentation type "\'e\'" '
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'and precision "p-1" |\n'
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' | | would have exponent "exp". Then, if "m <= '
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'exp < p", where |\n'
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' | | "m" is -4 for floats and -6 for '
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'"Decimals", the number is |\n'
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' | | formatted with presentation type "\'f\'" '
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'and precision |\n'
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' | | "p-1-exp". Otherwise, the number is '
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'formatted with |\n'
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' | | presentation type "\'e\'" and precision '
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'"p-1". In both cases |\n'
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' | | insignificant trailing zeros are removed '
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'from the |\n'
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' | | significand, and the decimal point is also '
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'removed if |\n'
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' | | there are no remaining digits following '
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'it, unless the |\n'
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' | | "\'#\'" option is used. Positive and '
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'negative infinity, |\n'
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' | | positive and negative zero, and nans, are '
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'formatted as |\n'
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' | | "inf", "-inf", "0", "-0" and "nan" '
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'respectively, |\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". 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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' | | "p-1". In both cases insignificant '
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'trailing zeros are |\n'
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' | | removed from the significand, and the '
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'decimal point is |\n'
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' | | also removed if there are no remaining '
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'digits following |\n'
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' | | it, unless the "\'#\'" option is used. '
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'With no precision |\n'
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' | | given, uses a precision of "6" significant '
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'digits for |\n'
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' | | "float". For "Decimal", the coefficient of '
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'the result is |\n'
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' | | formed from the coefficient digits of the '
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'value; |\n'
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' | | scientific notation is used for values '
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'smaller than "1e-6" |\n'
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' | | in absolute value and values where the '
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'place value of the |\n'
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' | | least significant digit is larger than 1, '
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'and fixed-point |\n'
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' | | notation is used otherwise. Positive and '
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'negative |\n'
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' | | infinity, positive and negative zero, and '
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'nans, are |\n'
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' | | formatted as "inf", "-inf", "0", "-0" and '
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'"nan" |\n'
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' | | respectively, regardless of the '
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'precision. |\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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'percent sign. |\n'
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' '
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'+-----------+------------------------------------------------------------+\n'
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' | None | Similar to "\'g\'", except that '
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'fixed-point notation, when |\n'
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' | | used, has at least one digit past the '
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'decimal point. The |\n'
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' | | default precision is as high as needed to '
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'represent the |\n'
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' | | particular value. The overall effect is to '
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'match the |\n'
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' | | output of "str()" as altered by the other '
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'format |\n'
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' | | '
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'modifiers. '
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'|\n'
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' | None | For "float" this is the same as "\'g\'", '
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'except that when |\n'
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' | | fixed-point notation is used to format the '
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'result, it |\n'
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' | | always includes at least one digit past '
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'the decimal point. |\n'
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' | | The precision used is as large as needed '
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'to represent the |\n'
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' | | given value faithfully. For "Decimal", '
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'this is the same |\n'
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' | | as either "\'g\'" or "\'G\'" depending on '
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'the value of |\n'
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' | | "context.capitals" for the current decimal '
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'context. The |\n'
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' | | overall effect is to match the output of '
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'"str()" as |\n'
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' | | altered by the other format '
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'modifiers. |\n'
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' '
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'+-----------+------------------------------------------------------------+\n'
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'\n'
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'object is “compatible” with the exception. An object is compatible\n'
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'with an exception if it is the class or a base class of the '
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'exception\n'
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'object or a tuple containing an item compatible with the exception.\n'
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'object, or a tuple containing an item that is the class or a base\n'
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'class of the exception object.\n'
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'\n'
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'If no except clause matches the exception, the search for an '
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'exception\n'
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'representation\n'
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' in computers.\n'
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'\n'
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' The string representations of the Numeric classes, computed by\n'
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' The string representations of the numeric classes, computed by\n'
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' "__repr__()" and "__str__()", have the following properties:\n'
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'\n'
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' * They are valid numeric literals which, when passed to their '

‎Misc/NEWS.d/3.8.7.rst‎

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.. bpo: 32381
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.. date: 2020-12-04-17-17-44
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.. nonce: NY5t2S
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.. release date: 2020-12-21
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.. section: Core and Builtins
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Fix encoding name when running a ``.pyc`` file on Windows:
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:c:func:`PyRun_SimpleFileExFlags()` now uses the correct encoding to decode
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the filename.
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..
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.. bpo: 42536
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.. date: 2020-12-02-20-23-31
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.. nonce: Kx3ZOu
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.. section: Core and Builtins
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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 <garbage
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collection>`:
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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`
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- :func:`itertools.combinations_with_replacement`
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- :func:`itertools.permutations`
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- :func:`itertools.product`
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- :func:`itertools.zip_longest`
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- :func:`zip`
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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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..
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.. bpo: 42630
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.. date: 2020-12-15-17-51-27
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.. nonce: jf4jBl
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.. section: Library
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:mod:`tkinter` functions and constructors which need a default root window
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raise now :exc:`RuntimeError` with descriptive message instead of obscure
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:exc:`AttributeError` or :exc:`NameError` if it is not created yet or cannot
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be created automatically.
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..
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.. bpo: 42644
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.. date: 2020-12-15-10-00-04
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.. nonce: XgLCNx
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.. section: Library
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`logging.disable` will now validate the types and value of its parameter. It
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also now accepts strings representing the levels (as does `loging.setLevel`)
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instead of only the numerical values.
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..
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.. bpo: 36541
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.. date: 2020-12-14-08-23-57
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.. nonce: qdEtZv
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.. section: Library
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Fixed lib2to3.pgen2 to be able to parse PEP-570 positional only argument
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syntax.
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..
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.. bpo: 42375
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.. date: 2020-11-19-04-13-53
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.. nonce: U8bp4s
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.. section: Library
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subprocess module update for DragonFlyBSD support.
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..
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.. bpo: 39825
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.. date: 2020-10-20-08-28-26
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.. nonce: n6KnG0
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.. section: Library
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Windows: Change ``sysconfig.get_config_var('EXT_SUFFIX')`` to the expected
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full ``platform_tag.extension`` format. Previously it was hard-coded to
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``.pyd``, now it is compatible with ``distutils.sysconfig`` and will result
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in something like ``.cp38-win_amd64.pyd``. This brings windows into
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conformance with the other platforms.
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..
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.. bpo: 39101
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.. date: 2020-10-11-21-43-03
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.. nonce: -I49Pm
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.. section: Library
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Fixed tests using IsolatedAsyncioTestCase from hanging on BaseExceptions.
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..
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.. bpo: 41907
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.. date: 2020-10-02-10-19-49
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.. nonce: wiIEsz
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.. section: Library
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fix `format()` behavior for `IntFlag`
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..
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.. bpo: 41889
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.. date: 2020-10-01-16-17-11
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.. nonce: qLkNh8
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.. section: Library
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Enum: fix regression involving inheriting a multiply-inherited enum
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..
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.. bpo: 41891
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.. date: 2020-09-30-13-35-29
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.. nonce: pNAeYI
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.. section: Library
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Ensure asyncio.wait_for waits for task completion
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..
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.. bpo: 40219
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.. date: 2020-07-13-19-43-11
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.. nonce: MUoJEP
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.. section: Library
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Lowered :class:`tkinter.ttk.LabeledScale` dummy widget to prevent hiding
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part of the content label.
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..
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.. bpo: 40084
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.. date: 2020-03-29-21-32-00
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.. nonce: MCYwcv
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.. section: Library
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Fix ``Enum.__dir__``: dir(Enum.member) now includes attributes as well as
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methods.
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..
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.. bpo: 17140
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.. date: 2020-12-16-21-06-16
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.. nonce: 1leSEg
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.. section: Documentation
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Add documentation for the :class:`multiprocessing.pool.ThreadPool` class.
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..
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.. bpo: 42604
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.. date: 2020-12-20-02-35-28
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.. nonce: gRd89w
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.. section: Build
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Now all platforms use a value for the "EXT_SUFFIX" build variable derived
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from SOABI (for instance in freeBSD, "EXT_SUFFIX" is now ".cpython-310d.so"
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instead of ".so"). Previosuly only Linux, Mac and VxWorks were using a value
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for "EXT_SUFFIX" that included "SOABI".
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..
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.. bpo: 42598
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.. date: 2020-12-13-14-43-10
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.. nonce: 7ipr5H
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.. section: Build
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Fix implicit function declarations in configure which could have resulted in
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incorrect configuration checks. Patch contributed by Joshua Root.
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..
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.. bpo: 42613
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.. date: 2020-12-16-09-10-32
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.. nonce: J-jnm5
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.. section: Tools/Demos
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Fix ``freeze.py`` tool to use the prope config and library directories.
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Patch by Victor Stinner.

‎Misc/NEWS.d/next/Build/2020-12-13-14-43-10.bpo-42598.7ipr5H.rst‎

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‎Misc/NEWS.d/next/Build/2020-12-20-02-35-28.bpo-42604.gRd89w.rst‎

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