mirror of
https://github.com/AdaCore/cpython.git
synced 2026-02-12 12:57:15 -08:00
Merge tag 'v3.8.0a4'
Python 3.8.0a4
This commit is contained in:
Łukasz Langa
@@ -20,10 +20,10 @@
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#define PY_MINOR_VERSION 8
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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 3
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#define PY_RELEASE_SERIAL 4
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/* Version as a string */
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#define PY_VERSION "3.8.0a3+"
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#define PY_VERSION "3.8.0a4"
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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 Mon Mar 25 20:32:23 2019
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# Autogenerated by Sphinx on Mon May 6 20:27:55 2019
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topics = {'assert': 'The "assert" statement\n'
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'**********************\n'
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'\n'
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@@ -162,20 +162,21 @@ topics = {'assert': 'The "assert" statement\n'
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'\n'
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' Note: If the object is a class instance and the attribute '
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'reference\n'
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' occurs on both sides of the assignment operator, the RHS '
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'expression,\n'
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' "a.x" can access either an instance attribute or (if no '
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'instance\n'
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' attribute exists) a class attribute. The LHS target "a.x" '
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'is always\n'
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' set as an instance attribute, creating it if necessary. '
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'Thus, the\n'
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' two occurrences of "a.x" do not necessarily refer to the '
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'same\n'
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' attribute: if the RHS expression refers to a class '
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'attribute, the\n'
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' LHS creates a new instance attribute as the target of the\n'
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' assignment:\n'
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' occurs on both sides of the assignment operator, the '
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'right-hand side\n'
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' expression, "a.x" can access either an instance attribute or '
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'(if no\n'
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' instance attribute exists) a class attribute. The left-hand '
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'side\n'
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' target "a.x" is always set as an instance attribute, '
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'creating it if\n'
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' necessary. Thus, the two occurrences of "a.x" do not '
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'necessarily\n'
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' refer to the same attribute: if the right-hand side '
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'expression\n'
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' refers to a class attribute, the left-hand side creates a '
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'new\n'
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' instance attribute as the target of the assignment:\n'
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'\n'
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' class Cls:\n'
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' x = 3 # class variable\n'
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@@ -3302,11 +3303,11 @@ topics = {'assert': 'The "assert" statement\n'
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'"str.format()"\n'
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' method, to produce a “formatted” string representation '
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'of an\n'
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' object. The "format_spec" argument is a string that '
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' object. The *format_spec* argument is a string that '
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'contains a\n'
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' description of the formatting options desired. The '
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'interpretation\n'
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' of the "format_spec" argument is up to the type '
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' of the *format_spec* argument is up to the type '
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'implementing\n'
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' "__format__()", however most classes will either '
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'delegate\n'
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@@ -6189,8 +6190,8 @@ topics = {'assert': 'The "assert" statement\n'
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'end up importing "pkg.mod". If you execute "from ..subpkg2 import '
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'mod"\n'
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'from within "pkg.subpkg1" you will import "pkg.subpkg2.mod". The\n'
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'specification for relative imports is contained within **PEP '
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'328**.\n'
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'specification for relative imports is contained in the Package\n'
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'Relative Imports section.\n'
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'\n'
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'"importlib.import_module()" is provided to support applications '
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'that\n'
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@@ -8002,11 +8003,11 @@ topics = {'assert': 'The "assert" statement\n'
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'"str.format()"\n'
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' method, to produce a “formatted” string representation of '
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'an\n'
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' object. The "format_spec" argument is a string that '
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' object. The *format_spec* argument is a string that '
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'contains a\n'
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' description of the formatting options desired. The '
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'interpretation\n'
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' of the "format_spec" argument is up to the type '
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' of the *format_spec* argument is up to the type '
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'implementing\n'
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' "__format__()", however most classes will either '
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'delegate\n'
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@@ -8768,15 +8769,15 @@ topics = {'assert': 'The "assert" statement\n'
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'When a class definition is executed, the following steps '
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'occur:\n'
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'\n'
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'* MRO entries are resolved\n'
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'* MRO entries are resolved;\n'
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'\n'
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'* the appropriate metaclass is determined\n'
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'* the appropriate metaclass is determined;\n'
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'\n'
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'* the class namespace is prepared\n'
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'* the class namespace is prepared;\n'
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'\n'
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'* the class body is executed\n'
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'* the class body is executed;\n'
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'\n'
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'* the class object is created\n'
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'* the class object is created.\n'
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'\n'
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'\n'
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'Resolving MRO entries\n'
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@@ -8806,16 +8807,16 @@ topics = {'assert': 'The "assert" statement\n'
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'\n'
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'* if no bases and no explicit metaclass are given, then '
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'"type()" is\n'
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' used\n'
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' used;\n'
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'\n'
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'* if an explicit metaclass is given and it is *not* an '
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'instance of\n'
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' "type()", then it is used directly as the metaclass\n'
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' "type()", then it is used directly as the metaclass;\n'
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'\n'
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'* if an instance of "type()" is given as the explicit '
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'metaclass, or\n'
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' bases are defined, then the most derived metaclass is '
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'used\n'
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'used.\n'
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'\n'
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'The most derived metaclass is selected from the explicitly '
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'specified\n'
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@@ -8931,7 +8932,7 @@ topics = {'assert': 'The "assert" statement\n'
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'with the\n'
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' class being defined and the assigned name of that '
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'particular\n'
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' descriptor; and\n'
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' descriptor;\n'
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'\n'
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'* finally, the "__init_subclass__()" hook is called on the '
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'immediate\n'
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@@ -9030,7 +9031,7 @@ topics = {'assert': 'The "assert" statement\n'
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'\n'
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'One can implement the generic class syntax as specified by '
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'**PEP 484**\n'
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'(for example "List[int]") by defining a special method\n'
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'(for example "List[int]") by defining a special method:\n'
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'\n'
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'classmethod object.__class_getitem__(cls, key)\n'
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'\n'
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@@ -9672,6 +9673,14 @@ topics = {'assert': 'The "assert" statement\n'
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'capitalized\n'
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' and the rest lowercased.\n'
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'\n'
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' Changed in version 3.8: The first character is now put '
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'into\n'
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' titlecase rather than uppercase. This means that '
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'characters like\n'
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' digraphs will only have their first letter capitalized, '
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'instead of\n'
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' the full character.\n'
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'\n'
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'str.casefold()\n'
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'\n'
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' Return a casefolded copy of the string. Casefolded '
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@@ -10416,9 +10425,7 @@ topics = {'assert': 'The "assert" statement\n'
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' >>> def titlecase(s):\n'
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' ... return re.sub(r"[A-Za-z]+(\'[A-Za-z]+)?",\n'
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' ... lambda mo: '
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'mo.group(0)[0].upper() +\n'
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' ... '
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'mo.group(0)[1:].lower(),\n'
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'mo.group(0).capitalize(),\n'
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' ... s)\n'
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' ...\n'
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' >>> titlecase("they\'re bill\'s friends.")\n'
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@@ -11286,17 +11293,17 @@ topics = {'assert': 'The "assert" statement\n'
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'| |\n'
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' | | unavailable; not inherited by '
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'| |\n'
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' | | subclasses '
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' | | subclasses. '
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'| |\n'
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' '
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'+---------------------------+---------------------------------+-------------+\n'
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' | "__name__" | The function’s name '
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' | "__name__" | The function’s name. '
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'| Writable |\n'
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' '
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'+---------------------------+---------------------------------+-------------+\n'
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' | "__qualname__" | The function’s *qualified name* '
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' | "__qualname__" | The function’s *qualified '
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'| Writable |\n'
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' | | New in version 3.3. '
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' | | name*. New in version 3.3. '
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'| |\n'
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' '
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'+---------------------------+---------------------------------+-------------+\n'
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@@ -11316,7 +11323,7 @@ topics = {'assert': 'The "assert" statement\n'
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'| |\n'
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' | | or "None" if no arguments have '
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'| |\n'
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' | | a default value '
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' | | a default value. '
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'| |\n'
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' '
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'+---------------------------+---------------------------------+-------------+\n'
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@@ -12172,7 +12179,13 @@ topics = {'assert': 'The "assert" statement\n'
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'\n'
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' "fromkeys()" is a class method that returns a new '
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'dictionary.\n'
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' *value* defaults to "None".\n'
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' *value* defaults to "None". All of the values refer '
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'to just a\n'
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' single instance, so it generally doesn’t make sense '
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'for *value*\n'
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' to be a mutable object such as an empty list. To get '
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'distinct\n'
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' values, use a dict comprehension instead.\n'
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'\n'
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' get(key[, default])\n'
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'\n'
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1421
Misc/NEWS.d/3.8.0a4.rst
Normal file
1421
Misc/NEWS.d/3.8.0a4.rst
Normal file
File diff suppressed because it is too large
Load Diff
@@ -1,2 +0,0 @@
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Remove references to "aix3" and "aix4".
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Patch by M. Felt.
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@@ -1,3 +0,0 @@
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``python-config --ldflags`` no longer includes flags of the
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``LINKFORSHARED`` variable. The ``LINKFORSHARED`` variable must only be used
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to build executables.
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@@ -1 +0,0 @@
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Fix regression introduced in bpo-36146 refactoring setup.py
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@@ -1 +0,0 @@
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setup.py now correctly reports missing OpenSSL headers and libraries again.
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@@ -1,6 +0,0 @@
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Release builds and debug builds are now ABI compatible: defining the
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``Py_DEBUG`` macro no longer implies the ``Py_TRACE_REFS`` macro, which
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introduces the only ABI incompatibility. The ``Py_TRACE_REFS`` macro, which
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adds the :func:`sys.getobjects` function and the :envvar:`PYTHONDUMPREFS`
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environment variable, can be set using the new ``./configure --with-trace-refs``
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build option.
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@@ -1,2 +0,0 @@
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``make tags`` and ``make TAGS`` now also parse ``Modules/_io/*.c`` and
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``Modules/_io/*.h``.
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@@ -1,8 +0,0 @@
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Add ``-fmax-type-align=8`` to CFLAGS when clang compiler is detected. The
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pymalloc memory allocator aligns memory on 8 bytes. On x86-64, clang expects
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alignment on 16 bytes by default and so uses MOVAPS instruction which can
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lead to segmentation fault. Instruct clang that Python is limited to
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alignemnt on 8 bytes to use MOVUPS instruction instead: slower but don't
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trigger a SIGSEGV if the memory is not aligned on 16 bytes. Sadly, the flag
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must be added to ``CFLAGS`` and not just ``CFLAGS_NODIST``, since third party C
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extensions can have the same issue.
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@@ -1 +0,0 @@
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Don't build the ``_crypt`` extension on VxWorks.
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@@ -1,5 +0,0 @@
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Change ``PyAPI_FUNC(type)``, ``PyAPI_DATA(type)`` and ``PyMODINIT_FUNC``
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macros of ``pyport.h`` when ``Py_BUILD_CORE_MODULE`` is defined. The
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``Py_BUILD_CORE_MODULE`` define must be now be used to build a C extension
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as a dynamic library accessing Python internals: export the PyInit_xxx()
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function in DLL exports on Windows.
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@@ -1,3 +0,0 @@
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``./configure --with-pymalloc`` no longer adds the ``m`` flag to SOABI
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(sys.implementation.cache_tag). Enabling or disabling pymalloc has no impact
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on the ABI.
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@@ -1,12 +0,0 @@
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On Unix, C extensions are no longer linked to libpython except on Android.
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It is now possible for a statically linked Python to load a C extension built
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using a shared library Python.
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When Python is embedded, ``libpython`` must not be loaded with ``RTLD_LOCAL``,
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but ``RTLD_GLOBAL`` instead. Previously, using ``RTLD_LOCAL``, it was already
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not possible to load C extensions which were not linked to ``libpython``, such
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as C extensions of the standard library built by the ``*shared*`` section of
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``Modules/Setup``.
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distutils, python-config and python-config.py have been modified.
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@@ -1 +0,0 @@
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Remove the stale scriptsinstall Makefile target.
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@@ -1,4 +0,0 @@
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Modify ``PyObject_Init`` to correctly increase the refcount of heap-
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allocated Type objects. Also fix the refcounts of the heap-allocated types
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that were either doing this manually or not decreasing the type's refcount
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in tp_dealloc
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@@ -1,5 +0,0 @@
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Fixed an accidental change to the datetime C API where the arguments to the
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:c:func:`PyDate_FromTimestamp` function were incorrectly interpreted as a
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single timestamp rather than an arguments tuple, which causes existing code to
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start raising :exc:`TypeError`. The backwards-incompatible change was only
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present in alpha releases of Python 3.8. Patch by Paul Ganssle.
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@@ -1,6 +0,0 @@
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Since Python 3.7.0, calling :c:func:`Py_DecodeLocale` before
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:c:func:`Py_Initialize` produces mojibake if the ``LC_CTYPE`` locale is coerced
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and/or if the UTF-8 Mode is enabled by the user configuration. The LC_CTYPE
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coercion and UTF-8 Mode are now disabled by default to fix the mojibake issue.
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They must now be enabled explicitly (opt-in) using the new
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:c:func:`_Py_PreInitialize` API with ``_PyPreConfig``.
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@@ -1,5 +0,0 @@
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Change the value of ``CLEANBYTE``, ``DEADDYTE`` and ``FORBIDDENBYTE`` internal
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constants used by debug hooks on Python memory allocators
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(:c:func:`PyMem_SetupDebugHooks` function). Byte patterns ``0xCB``, ``0xDB``
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and ``0xFB`` have been replaced with ``0xCD``, ``0xDD`` and ``0xFD`` to use the
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same values than Windows CRT debug ``malloc()`` and ``free()``.
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@@ -1,2 +0,0 @@
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:c:macro:`PyDoc_VAR(name)` and :c:macro:`PyDoc_STRVAR(name,str)` now create
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``static const char name[]`` instead of ``static char name[]``. Patch by Inada Naoki.
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