Mailman 3 February 2013 - Python-Dev

update on 2.7.4
by Benjamin Peterson Feb. 4, 2013

Feb. 4, 2013

As you may have noticed, no 2.7.4 rc has been created yet. Yesterday, the buildbots were all red, and release blocker issues had to be dealt with. Today, I was not as availabIe and people were fixing important-looking crashers. In general, there seems to have been a lot more last-minute scrambling around than usual for a bugfix release. I'm afraid I'm still going to have to delay longer to see if we can get a few security patches in. It could be next week. Benjamin

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Interested in GSoC 2013
by Jainit Purohit Feb. 4, 2013

Feb. 4, 2013

Hi, I'm Jainit and I'm planning to apply for GSoC 2013 for the PSF. I was also part of GSoC 2012 in interface ecology lab, Texas A&M university. I just gone though Python developer's guide and how to become core contributor document. And I just compiled CPython on my machine. Since I'm new to this community, Can anyone assign me some task/issues/bug to work on to get the better idea of how things works. I would also like to know if any of you have any ideas which can … [View More]

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2.7.4
by Benjamin Peterson Feb. 3, 2013

Feb. 3, 2013

It's been almost a year since 2.7.3, so it's time for another 2.7 bugfix release. 2013-02-02 - 2.7.4 release branch created; rc released 2013-02-16 - 2.7.4 released Does this work for you, Martin and Ned? -- Regards, Benjamin

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Re: [Python-Dev] [Python-checkins] cpython (3.3): Issue #17098: Be more stringent of setting __loader__ on early imported
by Brett Cannon Feb. 3, 2013

Feb. 3, 2013

FYI, Raymond let me know that this is causing the buildbots to occasionally fail thanks to xml.parsers.expat.errors somehow circumventing import. I'm going to try and figure out what's going on. On Fri, Feb 1, 2013 at 4:38 PM, brett.cannon <python-checkins(a)python.org>wrote: > http://hg.python.org/cpython/rev/19ea454ccdf7 > changeset: 81884:19ea454ccdf7 > branch: 3.3 > parent: 81882:4a4688b865ff > user: Brett Cannon <brett(a)python.org> > date:… [View More] Fri Feb 01 15:31:49 2013 -0500 > summary: > Issue #17098: Be more stringent of setting __loader__ on early imported > modules. Also made test more rigorous. > > files: > Lib/importlib/_bootstrap.py | 7 +- > Lib/test/test_importlib/test_api.py | 6 + > Python/importlib.h | 591 ++++++++------- > 3 files changed, 310 insertions(+), 294 deletions(-) > > > diff --git a/Lib/importlib/_bootstrap.py b/Lib/importlib/_bootstrap.py > --- a/Lib/importlib/_bootstrap.py > +++ b/Lib/importlib/_bootstrap.py > @@ -1704,10 +1704,13 @@ > BYTECODE_SUFFIXES = DEBUG_BYTECODE_SUFFIXES > > module_type = type(sys) > - for module in sys.modules.values(): > + for name, module in sys.modules.items(): > if isinstance(module, module_type): > if not hasattr(module, '__loader__'): > - module.__loader__ = BuiltinImporter > + if name in sys.builtin_module_names: > + module.__loader__ = BuiltinImporter > + elif _imp.is_frozen(name): > + module.__loader__ = FrozenImporter > > self_module = sys.modules[__name__] > for builtin_name in ('_io', '_warnings', 'builtins', 'marshal'): > diff --git a/Lib/test/test_importlib/test_api.py > b/Lib/test/test_importlib/test_api.py > --- a/Lib/test/test_importlib/test_api.py > +++ b/Lib/test/test_importlib/test_api.py > @@ -184,6 +184,12 @@ > if isinstance(module, types.ModuleType): > self.assertTrue(hasattr(module, '__loader__'), > '{!r} lacks a __loader__ attribute'.format(name)) > + if name in sys.builtin_module_names: > + self.assertEqual(importlib.machinery.BuiltinImporter, > + module.__loader__) > + elif imp.is_frozen(name): > + self.assertEqual(importlib.machinery.FrozenImporter, > + module.__loader__) > > def test_main(): > from test.support import run_unittest > diff --git a/Python/importlib.h b/Python/importlib.h > --- a/Python/importlib.h > +++ b/Python/importlib.h > [stripped] > > -- > Repository URL: http://hg.python.org/cpython > > _______________________________________________ > Python-checkins mailing list > Python-checkins(a)python.org > http://mail.python.org/mailman/listinfo/python-checkins > > [View Less]

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Release or not release the GIL
by Victor Stinner Feb. 1, 2013

Feb. 1, 2013

Hi, While working on the implementation of the PEP 433, I saw different places where Python asks for operating resources without releasing the GIL. In my implementation, I released the GIL in the following places. Is it correct? - os.dup() - os.dup2() - os.pipe() - socket.socketpair() os.listdir() releases the GIL to call dup(), whereas os.dup() doesn't. Victor

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Summary of Python tracker Issues
by Python tracker Feb. 1, 2013

Feb. 1, 2013

ACTIVITY SUMMARY (2013-01-25 - 2013-02-01) Python tracker at http://bugs.python.org/ To view or respond to any of the issues listed below, click on the issue. Do NOT respond to this message. Issues counts and deltas: open 3848 (+11) closed 25028 (+57) total 28876 (+68) Open issues with patches: 1681 Issues opened (52) ================== #17034: Use Py_CLEAR() in stringobject.c and bytesobject.c http://bugs.python.org/issue17034 opened by serhiy.storchaka #17035: Use new style … [View More]

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importlib.find_loader
by Thomas Heller Feb. 1, 2013

Feb. 1, 2013

In Python3.3, I thought that every loaded module has a __loader__ attribute. Apparently this is not the case for a few builtin modules: Python 3.3.0 (v3.3.0:bd8afb90ebf2, Sep 29 2012, 10:57:17) [MSC v.1600 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> import importlib >>> >>> def bug(): ... for name in list(sys.modules.keys()): ... try: ... importlib.find_loader(name) ... except … [View More]

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issue17097:baseManager serve_client() not check EINTR when recv request
by Royce Lv Feb. 1, 2013

Feb. 1, 2013

Hi All, We create our customised manager which will fork child process with baseManager. Because we registered SIGCHLD to reap the zombie for manager, we found this causes baseManager raise RemoteError when called twice.(Test script attached.) After look at baseManager.py we found recv() in handling the request has been interrupted by comming SIGCHLD, not retry recv(), but raise to client side directly. try: methodname = obj = None request = … [View More]recv()<------------------this line been interrupted by SIGCHLD ident, methodname, args, kwds = request obj, exposed, gettypeid = id_to_obj[ident] if methodname not in exposed: raise AttributeError( 'method %r of %r object is not in exposed=%r' % (methodname, type(obj), exposed) ) function = getattr(obj, methodname) try: res = function(*args, **kwds) except Exception, e: msg = ('#ERROR', e) else: typeid = gettypeid and gettypeid.get(methodname, None) if typeid: rident, rexposed = self.create(conn, typeid, res) token = Token(typeid, self.address, rident) msg = ('#PROXY', (rexposed, token)) else: msg = ('#RETURN', res) except AttributeError: if methodname is None: msg = ('#TRACEBACK', format_exc()) else: try: fallback_func = self.fallback_mapping[methodname] result = fallback_func( self, conn, ident, obj, *args, **kwds ) msg = ('#RETURN', result) except Exception: msg = ('#TRACEBACK', format_exc()) except EOFError: util.debug('got EOF -- exiting thread serving %r', threading.current_thread().name) sys.exit(0) except Exception:<------does not handle IOError,INTR here should retry recv() msg = ('#TRACEBACK', format_exc()) REF: http://bugs.python.org/issue17097 [View Less]

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Re: [Python-Dev] cpython (merge 3.3 -> default): #16128: merge with 3.3.
by Antoine Pitrou Feb. 1, 2013

Feb. 1, 2013

On Fri, 1 Feb 2013 04:20:46 +0100 (CET) ezio.melotti <python-checkins(a)python.org> wrote: > > diff --git a/Doc/glossary.rst b/Doc/glossary.rst > --- a/Doc/glossary.rst > +++ b/Doc/glossary.rst > @@ -320,7 +320,8 @@ > All of Python's immutable built-in objects are hashable, while no mutable > containers (such as lists or dictionaries) are. Objects which are > instances of user-defined classes are hashable by default; they all > - … [View More]

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Re: [Python-Dev] [Python-checkins] cpython (2.7): #16128: clarify that instances of user-defined classes compare equal with
by Nick Coghlan Feb. 1, 2013

Feb. 1, 2013

On 1 Feb 2013 13:22, "ezio.melotti" <python-checkins(a)python.org> wrote: > > http://hg.python.org/cpython/rev/79a021beaf58 > changeset: 81861:79a021beaf58 > branch: 2.7 > parent: 81859:8ee6d96a1019 > user: Ezio Melotti <ezio.melotti(a)gmail.com> > date: Fri Feb 01 05:18:44 2013 +0200 > summary: > #16128: clarify that instances of user-defined classes compare equal with themselves. > > files: > Doc/glossary.rst | 3 ++… [View More]

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