Mailman 3 April 2015 - Python-checkins

cpython (merge 3.4 -> default): merge 3.4
by benjamin.peterson April 30, 2015

April 30, 2015

https://hg.python.org/cpython/rev/6f6e78931875 changeset: 95833:6f6e78931875 parent: 95830:661cdbd617b8 parent: 95831:96e2c0101672 user: Benjamin Peterson <benjamin(a)python.org> date: Thu Apr 30 17:38:14 2015 -0400 summary: merge 3.4 files: Misc/python.man | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-) diff --git a/Misc/python.man b/Misc/python.man --- a/Misc/python.man +++ b/Misc/python.man @@ -431,17 +431,17 @@ The integer must be a decimal number in the range [0,4294967295]. Specifying the value 0 will disable hash randomization. .SH AUTHOR -The Python Software Foundation: http://www.python.org/psf +The Python Software Foundation: https://www.python.org/psf .SH INTERNET RESOURCES -Main website: http://www.python.org/ +Main website: https://www.python.org/ .br -Documentation: http://docs.python.org/py3k/ +Documentation: https://docs.python.org/ .br -Developer resources: http://docs.python.org/devguide/ +Developer resources: https://docs.python.org/devguide/ .br -Downloads: http://python.org/download/ +Downloads: https://www.python.org/downloads/ .br -Module repository: http://pypi.python.org/ +Module repository: https://pypi.python.org/ .br Newsgroups: comp.lang.python, comp.lang.python.announce .SH LICENSING -- Repository URL: https://hg.python.org/cpython

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cpython (2.7): update links
by benjamin.peterson April 30, 2015

April 30, 2015

https://hg.python.org/cpython/rev/c17e29454447 changeset: 95832:c17e29454447 branch: 2.7 parent: 95827:6986ccbcf41e user: Benjamin Peterson <benjamin(a)python.org> date: Thu Apr 30 17:37:11 2015 -0400 summary: update links files: Misc/python.man | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-) diff --git a/Misc/python.man b/Misc/python.man --- a/Misc/python.man +++ b/Misc/python.man @@ -452,17 +452,17 @@ the value 0 will lead to the same hash values as when hash randomization is disabled. .SH AUTHOR -The Python Software Foundation: http://www.python.org/psf +The Python Software Foundation: https://www.python.org/psf .SH INTERNET RESOURCES -Main website: http://www.python.org/ +Main website: https://www.python.org/ .br -Documentation: http://docs.python.org/ +Documentation: https://docs.python.org/2/ .br -Developer resources: http://docs.python.org/devguide/ +Developer resources: https://docs.python.org/devguide/ .br -Downloads: http://python.org/download/ +Downloads: https://www.python.org/downloads/ .br -Module repository: http://pypi.python.org/ +Module repository: https://pypi.python.org/ .br Newsgroups: comp.lang.python, comp.lang.python.announce .SH LICENSING -- Repository URL: https://hg.python.org/cpython

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cpython (3.4): update links
by benjamin.peterson April 30, 2015

April 30, 2015

https://hg.python.org/cpython/rev/96e2c0101672 changeset: 95831:96e2c0101672 branch: 3.4 parent: 95828:eb09f737120b user: Benjamin Peterson <benjamin(a)python.org> date: Thu Apr 30 17:37:11 2015 -0400 summary: update links files: Misc/python.man | 12 ++++++------ 1 files changed, 6 insertions(+), 6 deletions(-) diff --git a/Misc/python.man b/Misc/python.man --- a/Misc/python.man +++ b/Misc/python.man @@ -434,17 +434,17 @@ The integer must be a decimal number in the range [0,4294967295]. Specifying the value 0 will disable hash randomization. .SH AUTHOR -The Python Software Foundation: http://www.python.org/psf +The Python Software Foundation: https://www.python.org/psf .SH INTERNET RESOURCES -Main website: http://www.python.org/ +Main website: https://www.python.org/ .br -Documentation: http://docs.python.org/py3k/ +Documentation: https://docs.python.org/ .br -Developer resources: http://docs.python.org/devguide/ +Developer resources: https://docs.python.org/devguide/ .br -Downloads: http://python.org/download/ +Downloads: https://www.python.org/downloads/ .br -Module repository: http://pypi.python.org/ +Module repository: https://pypi.python.org/ .br Newsgroups: comp.lang.python, comp.lang.python.announce .SH LICENSING -- Repository URL: https://hg.python.org/cpython

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cpython: Issue #23910: Optimize property() getter calls. Patch by Joe Jevnik
by raymond.hettinger April 30, 2015

April 30, 2015

https://hg.python.org/cpython/rev/661cdbd617b8 changeset: 95830:661cdbd617b8 user: Raymond Hettinger <python(a)rcn.com> date: Thu Apr 30 08:08:13 2015 -0700 summary: Issue #23910: Optimize property() getter calls. Patch by Joe Jevnik files: Misc/NEWS | 2 ++ Objects/descrobject.c | 10 +++++++++- 2 files changed, 11 insertions(+), 1 deletions(-) diff --git a/Misc/NEWS b/Misc/NEWS --- a/Misc/NEWS +++ b/Misc/NEWS @@ -13,6 +13,8 @@ - Issue #23996: Avoid a crash when a delegated generator raises an unnormalized StopIteration exception. Patch by Stefan Behnel. +- Issue #23910: Optimize property() getter calls. Patch by Joe Jevnik. + - Issue #24022: Fix tokenizer crash when processing undecodable source code. - Issue #9951: Added a hex() method to bytes, bytearray, and memoryview. diff --git a/Objects/descrobject.c b/Objects/descrobject.c --- a/Objects/descrobject.c +++ b/Objects/descrobject.c @@ -1372,6 +1372,8 @@ static PyObject * property_descr_get(PyObject *self, PyObject *obj, PyObject *type) { + static PyObject *args = NULL; + PyObject *ret; propertyobject *gs = (propertyobject *)self; if (obj == NULL || obj == Py_None) { @@ -1382,7 +1384,13 @@ PyErr_SetString(PyExc_AttributeError, "unreadable attribute"); return NULL; } - return PyObject_CallFunctionObjArgs(gs->prop_get, obj, NULL); + if (!args && !(args = PyTuple_New(1))) { + return NULL; + } + PyTuple_SET_ITEM(args, 0, obj); + ret = PyObject_Call(gs->prop_get, args, NULL); + PyTuple_SET_ITEM(args, 0, NULL); + return ret; } static int -- Repository URL: https://hg.python.org/cpython

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cpython (3.4): - remove unused EXTRAPLATDIR macro in Makefile.pre.in
by matthias.klose April 30, 2015

April 30, 2015

https://hg.python.org/cpython/rev/eb09f737120b changeset: 95828:eb09f737120b branch: 3.4 parent: 95825:08c247ff8c1e user: doko(a)ubuntu.com date: Thu Apr 30 13:44:18 2015 +0200 summary: - remove unused EXTRAPLATDIR macro in Makefile.pre.in files: Makefile.pre.in | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/Makefile.pre.in b/Makefile.pre.in --- a/Makefile.pre.in +++ b/Makefile.pre.in @@ -1124,8 +1124,7 @@ # Install the library PLATDIR= @PLATDIR@ -EXTRAPLATDIR= @EXTRAPLATDIR@ -MACHDEPS= $(PLATDIR) $(EXTRAPLATDIR) +MACHDEPS= $(PLATDIR) XMLLIBSUBDIRS= xml xml/dom xml/etree xml/parsers xml/sax LIBSUBDIRS= tkinter tkinter/test tkinter/test/test_tkinter \ tkinter/test/test_ttk site-packages test \ -- Repository URL: https://hg.python.org/cpython

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cpython (merge 3.4 -> default): - merge 3.4
by matthias.klose April 30, 2015

April 30, 2015

https://hg.python.org/cpython/rev/5d065807a05f changeset: 95829:5d065807a05f parent: 95826:93168607ad70 parent: 95828:eb09f737120b user: doko(a)ubuntu.com date: Thu Apr 30 13:44:43 2015 +0200 summary: - merge 3.4 files: Makefile.pre.in | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/Makefile.pre.in b/Makefile.pre.in --- a/Makefile.pre.in +++ b/Makefile.pre.in @@ -1137,8 +1137,7 @@ # Install the library PLATDIR= @PLATDIR@ -EXTRAPLATDIR= @EXTRAPLATDIR@ -MACHDEPS= $(PLATDIR) $(EXTRAPLATDIR) +MACHDEPS= $(PLATDIR) XMLLIBSUBDIRS= xml xml/dom xml/etree xml/parsers xml/sax LIBSUBDIRS= tkinter tkinter/test tkinter/test/test_tkinter \ tkinter/test/test_ttk site-packages test \ -- Repository URL: https://hg.python.org/cpython

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Daily reference leaks (93168607ad70): sum=3
by solipsis＠pitrou.net April 30, 2015

April 30, 2015

results for 93168607ad70 on branch "default" -------------------------------------------- test_functools leaked [0, 0, 3] memory blocks, sum=3 Command line was: ['./python', '-m', 'test.regrtest', '-uall', '-R', '3:3:/home/psf-users/antoine/refleaks/reflog0E2TER', '--timeout', '7200']

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peps: pep-0492: Drop __future__ from "Transition Period Shortcomings"
by yury.selivanov April 30, 2015

April 30, 2015

https://hg.python.org/peps/rev/ffe5f363fd88 changeset: 5813:ffe5f363fd88 user: Yury Selivanov <yselivanov(a)sprymix.com> date: Wed Apr 29 23:25:46 2015 -0400 summary: pep-0492: Drop __future__ from "Transition Period Shortcomings" files: pep-0492.txt | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/pep-0492.txt b/pep-0492.txt --- a/pep-0492.txt +++ b/pep-0492.txt @@ -891,8 +891,7 @@ return (await fut) This limitation will go away as soon as ``async`` and ``await`` are -proper keywords. Or if it's decided to use a future import for this -PEP. +proper keywords. Deprecation Plans -- Repository URL: https://hg.python.org/peps

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peps: pep-0492: Rewrite "Why not a __future__ import" section; tx to Nick Coghlan.
by yury.selivanov April 30, 2015

April 30, 2015

https://hg.python.org/peps/rev/5db3ad3d540b changeset: 5812:5db3ad3d540b user: Yury Selivanov <yselivanov(a)sprymix.com> date: Wed Apr 29 23:18:03 2015 -0400 summary: pep-0492: Rewrite "Why not a __future__ import" section; tx to Nick Coghlan. files: pep-0492.txt | 13 +++++-------- 1 files changed, 5 insertions(+), 8 deletions(-) diff --git a/pep-0492.txt b/pep-0492.txt --- a/pep-0492.txt +++ b/pep-0492.txt @@ -1108,14 +1108,11 @@ Why not a __future__ import --------------------------- -``__future__`` imports are inconvenient and easy to forget to add. -Also, they are enabled for the whole source file. Consider that there -is a big project with a popular module named "async.py". With future -imports it is required to either import it using ``__import__()`` or -``importlib.import_module()`` calls, or to rename the module. The -proposed approach makes it possible to continue using old code and -modules without a hassle, while coming up with a migration plan for -future python versions. +`Transition Plan`_ section explains how tokenizer is modified to treat +``async`` and ``await`` as keywords *only* in ``async def`` blocks. +Hence ``async def`` fills the role that a module level compiler +declaration like ``from __future__ import async_await`` would otherwise +fill. Why magic methods start with "a" -- Repository URL: https://hg.python.org/peps

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peps: pep-0492: Reword tokenization algorithm description.
by yury.selivanov April 30, 2015

April 30, 2015

https://hg.python.org/peps/rev/552773d7e085 changeset: 5811:552773d7e085 user: Yury Selivanov <yselivanov(a)sprymix.com> date: Wed Apr 29 23:10:23 2015 -0400 summary: pep-0492: Reword tokenization algorithm description. files: pep-0492.txt | 16 +++++++++------- 1 files changed, 9 insertions(+), 7 deletions(-) diff --git a/pep-0492.txt b/pep-0492.txt --- a/pep-0492.txt +++ b/pep-0492.txt @@ -781,14 +781,16 @@ keywords, it was decided to modify ``tokenizer.c`` in such a way, that it: -* recognizes ``async def`` name tokens combination (start of a - native coroutine); +* recognizes ``async def`` ``NAME`` tokens combination; -* keeps track of regular functions and native coroutines; +* keeps track of regular ``def`` and ``async def`` indented blocks; -* replaces ``'async'`` token with ``ASYNC`` and ``'await'`` token with - ``AWAIT`` when in the process of yielding tokens for native - coroutines. +* while tokenizing ``async def`` block, it replaces ``'async'`` + ``NAME`` token with ``ASYNC``, and ``'await'`` ``NAME`` token with + ``AWAIT``; + +* while tokenizing ``def`` block, it yields ``'async'`` and ``'await'`` + ``NAME`` tokens as is. This approach allows for seamless combination of new syntax features (all of them available only in ``async`` functions) with any existing @@ -843,7 +845,7 @@ Grammar Updates --------------- -Grammar changes are also fairly minimal:: +Grammar changes are fairly minimal:: decorated: decorators (classdef | funcdef | async_funcdef) async_funcdef: ASYNC funcdef -- Repository URL: https://hg.python.org/peps

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