Mailman 3 June 2013 - Python-Dev

Classes with ordered namespaces
by Eric Snow June 27, 2013

June 27, 2013

There are two relevant class namespaces in this proposal: definition namespace and __dict__. Currently both are dicts. For class definition namespaces, I'd like to make the default an OrderedDict. With the implementation in issue16991, the change is trivial (basically 1-liners in 2 spots). This change would make it unnecessary to write a custom metaclass just for a __prepare__(). PEP 422 alleviates that problem somewhat. However, I expect OrderedDict is by far the most common type … [View More]

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Re: [Python-Dev] [Python-checkins] peps: Reject PEP 315.
by R. David Murray June 27, 2013

June 27, 2013

On Wed, 26 Jun 2013 17:39:07 +0200, lukasz.langa <python-checkins(a)python.org> wrote: > - Deferred; see > + Rejected; see > + http://mail.python.org/pipermail/python-ideas/2013-June/021610.html > + > + This PEP has been deferred since 2006; see > http://mail.python.org/pipermail/python-dev/2006-February/060718.html > > Subsequent efforts to revive the PEP in April 2009 did not > meet with success because no syntax emerged that … [View More]

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Re: [Python-Dev] cpython (2.7): Fix comment blocks. Adjust blocksize to a power-of-two for better divmod
by Antoine Pitrou June 25, 2013

June 25, 2013

On Fri, 14 Jun 2013 07:06:49 +0200 (CEST) raymond.hettinger <python-checkins(a)python.org> wrote: > http://hg.python.org/cpython/rev/5accb0ac8bfb > changeset: 84116:5accb0ac8bfb > branch: 2.7 > parent: 84095:ca8e86711403 > user: Raymond Hettinger <python(a)rcn.com> > date: Fri Jun 14 01:06:33 2013 -0400 > summary: > Fix comment blocks. Adjust blocksize to a power-of-two for better divmod computations. Is there any rationale for … [View More]

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Re: [Python-Dev] [Python-checkins] cpython (3.3): Add -b and -X options to python man page.
by Brett Cannon June 25, 2013

June 25, 2013

On Wed, Jun 19, 2013 at 11:20 PM, senthil.kumaran < python-checkins(a)python.org> wrote: > http://hg.python.org/cpython/rev/dfead0696a71 > changeset: 84224:dfead0696a71 > branch: 3.3 > parent: 84221:0113247f894b > user: Senthil Kumaran <senthil(a)uthcode.com> > date: Wed Jun 19 22:19:46 2013 -0500 > summary: > Add -b and -X options to python man page. > Patch contributed by Corey Brune. > > files: > Misc/python.man | … [View More]

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Re: [Python-Dev] [Python-checkins] cpython: Issue #18081: Workaround "./python -m test_idle test_logging" failure
by Brett Cannon June 25, 2013

June 25, 2013

This fix is still not correct as warnings.formatwarning should not be overridden, only showwarning can be. On Jun 24, 2013 6:18 PM, "victor.stinner" <python-checkins(a)python.org> wrote: > http://hg.python.org/cpython/rev/2a9e1eb3719c > changeset: 84330:2a9e1eb3719c > user: Victor Stinner <victor.stinner(a)gmail.com> > date: Tue Jun 25 00:17:37 2013 +0200 > summary: > Issue #18081: Workaround "./python -m test_idle test_logging" failure > > … [View More]"import idlelib" should not install hooks on the warning modules, hooks > should > only be installed when IDLE is started. > > files: > Lib/idlelib/PyShell.py | 5 +++-- > Lib/idlelib/run.py | 4 +++- > 2 files changed, 6 insertions(+), 3 deletions(-) > > > diff --git a/Lib/idlelib/PyShell.py b/Lib/idlelib/PyShell.py > --- a/Lib/idlelib/PyShell.py > +++ b/Lib/idlelib/PyShell.py > @@ -61,7 +61,6 @@ > lineno, line=line)) > except OSError: > pass ## file (probably __stderr__) is invalid, warning > dropped. > - warnings.showwarning = idle_showwarning > def idle_formatwarning(message, category, filename, lineno, > line=None): > """Format warnings the IDLE way""" > s = "\nWarning (from warnings module):\n" > @@ -73,7 +72,6 @@ > s += " %s\n" % line > s += "%s: %s\n>>> " % (category.__name__, message) > return s > - warnings.formatwarning = idle_formatwarning > > def extended_linecache_checkcache(filename=None, > orig_checkcache=linecache.checkcache): > @@ -1425,6 +1423,9 @@ > def main(): > global flist, root, use_subprocess > > + warnings.showwarning = idle_showwarning > + warnings.formatwarning = idle_formatwarning > + > use_subprocess = True > enable_shell = False > enable_edit = False > diff --git a/Lib/idlelib/run.py b/Lib/idlelib/run.py > --- a/Lib/idlelib/run.py > +++ b/Lib/idlelib/run.py > @@ -40,7 +40,6 @@ > s += " %s\n" % line > s += "%s: %s\n" % (category.__name__, message) > return s > - warnings.formatwarning = idle_formatwarning_subproc > > > tcl = tkinter.Tcl() > @@ -82,6 +81,9 @@ > global exit_now > global quitting > global no_exitfunc > + > + warnings.formatwarning = idle_formatwarning_subproc > + > no_exitfunc = del_exitfunc > #time.sleep(15) # test subprocess not responding > try: > > -- > 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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Re: [Python-Dev] [Python-checkins] cpython (3.3): Add -b and -X options to python man page.
by Maciej Fijalkowski June 25, 2013

June 25, 2013

On Mon, Jun 24, 2013 at 10:56 PM, Antoine Pitrou <solipsis(a)pitrou.net> wrote: > On Mon, 24 Jun 2013 16:43:15 -0400 > "R. David Murray" <rdmurray(a)bitdance.com> wrote: >> On Mon, 24 Jun 2013 22:14:46 +0200, Maciej Fijalkowski <fijall(a)gmail.com> wrote: >> > On Sun, Jun 23, 2013 at 6:14 PM, R. David Murray <rdmurray(a)bitdance.com> wrote: >> > > On Sun, 23 Jun 2013 17:40:13 +0200, Maciej Fijalkowski <fijall(a)gmail.com> wrote: … [View More]

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Re: [Python-Dev] [Python-checkins] cpython: Issue #9566: recv(), recvfrom(), send(), sendall() and sendto() methods
by Jeremy Kloth June 24, 2013

June 24, 2013

On Mon, Jun 24, 2013 at 3:48 PM, victor.stinner <python-checkins(a)python.org> wrote: > +#if defined(MS_WIN64) || defined(MS_WINDOWS) This test could be reduced to simply `#ifdef MS_WINDOWS`. See PC\pyconfig.h

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Re: [Python-Dev] [Python-checkins] cpython: Issue #9566: Fix a compiler warning in tupleiter_setstate() on Windows x64
by Jeremy Kloth June 24, 2013

June 24, 2013

On Mon, Jun 24, 2013 at 3:33 PM, victor.stinner <python-checkins(a)python.org> wrote: > http://hg.python.org/cpython/rev/6b4d279508a3 > changeset: 84325:6b4d279508a3 > user: Victor Stinner <victor.stinner(a)gmail.com> > date: Mon Jun 24 23:31:48 2013 +0200 > summary: > Issue #9566: Fix a compiler warning in tupleiter_setstate() on Windows x64 > > files: > Objects/tupleobject.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(… [View More]

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Re: [Python-Dev] [Python-checkins] cpython (2.7): Issue #18277: Document quirks of multiprocessing queue.
by A.M. Kuchling June 24, 2013

June 24, 2013

On Mon, Jun 24, 2013 at 03:53:27PM +0200, richard.oudkerk wrote: > http://hg.python.org/cpython/rev/8dcc4e017d42 > + but should not cause any pratical difficulties -- you can always ^^ practical > + infinitessimal delay before the queue's :meth:`~Queue.empty` ^^ infinitesimal (or just "short") --amk

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A type of out-of-range exception for %c
by Serhiy Storchaka June 23, 2013

June 23, 2013

Currently %c formatting raises OverflowError if an argument is out of range. >>> '%c' % 1114112 Traceback (most recent call last): File "<stdin>", line 1, in <module> OverflowError: %c arg not in range(0x110000) >>> '{:c}'.format(1114112) Traceback (most recent call last): File "<stdin>", line 1, in <module> OverflowError: %c arg not in range(0x110000) The same for PyUnicode_Format(), PyUnicode_FromFromat() and PyUnicode_FromFromatV() in C … [View More]

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