Mailman 3 April 2011 - Python-Dev

Why doesn't `functools.total_ordering` use the existing ordering methods?
by cool-RR April 26, 2011

April 26, 2011

Hello, Today I was trying to use `total_ordering` for the first time. I was expecting that in order to implement e.g. `x > y` it would do `not x < y and not x == y`, assuming that `__lt__` and `__eq__` are defined. But I see it just does `y < x`, which is problematic. For example if you have a class that is decorated by `total_ordering`, and implements only `__lt__` and `__eq__`, then trying to do `x < y` will result in infinite recursion. Why not have `total_ordering` work in … [View More]

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Drop OS/2 and VMS support?
by Victor Stinner April 25, 2011

April 25, 2011

Hi, I asked one year ago if we should drop OS/2 support: Andrew MacIntyre, our OS/2 maintainer, answered: http://mail.python.org/pipermail/python-dev/2010-April/099477.html Extract: << The 3.x branch needs quite a bit of work on OS/2 to deal with Unicode, as OS/2 was one of the earlier OSes with full multiple language support and IBM developed a unique API. I'm still struggling to come to terms with this, partly because I myself don't "need" it. >> So one year later, Python … [View More]

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Why are there no 'set' and 'frozenset' types in the 'types' module?
by haael April 25, 2011

April 25, 2011

Sorry if I am asking the obvious, but why are the aliases of set types not included in the 'types' module? I thought for a moment that they are just classes, but no, they introduce themselves as built-in types, just like any other standard Python type. > print type(set([1, 2, 4])) <type 'set'> > print type(frozenset([3, 5])) <type 'frozenset'> Is it intentional, or is there some meaning behind this? If not, shouldn't they be added to the module? Regards, Bartosz … [View More]

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Syntax quirk
by Rob Cliffe April 25, 2011

April 25, 2011

>>> type (3.) <type 'float'> >>> 3..__class__ <type 'float'> >>> type(3) <type 'int'> >>> 3.__class__ File "<stdin>", line 1 3.__class__ ^ SyntaxError: invalid syntax Superficially the last example ought to be legal syntax (and return <type 'int'>). Is it an oversight which could be fixed in a straightforward way, or are there reasons why it can't? I have tested this with Python 2.5 and Python 3.2. … [View More]

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Issue 11715: building Python from source on multiarch Debian/Ubuntu
by Barry Warsaw April 25, 2011

April 25, 2011

Ubuntu 11.04 added support for multiarch libraries: https://wiki.ubuntu.com/MultiarchSpec http://wiki.debian.org/ReleaseGoals/MultiArch At the moment, I don't care about issue 1294959 which I think addresses building multiarch flavors of Python: http://bugs.python.org/issue1294959 I have a much more short-term concern, which is being able to build Python from source *on* a multiarch Debian/Ubuntu: http://bugs.python.org/issue11715 The problem is that without this patch (or something like … [View More]

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Test "Force Build" on custom buildbots
by Victor Stinner April 25, 2011

April 25, 2011

Hi, I'm testing my faulthandler repository on the custom buildbots, here are some remarks and issues. The form still refers to SVN ('Branch to build' is relative to http://svn.python.org/projects/python.) => the branch is relative to hg.python.org/ I cannot write "#" in the branch field to specify... the branch (only the repository). If the branch contains "#", the request looks to be ignored (without any warning/error). I merged my faulthandler branch into the default branch (in my … [View More]

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Hello guys!
by Jayme Proni Filho April 23, 2011

April 23, 2011

Hello guys! Well, I'll do like welcome message of the python-dev-request ask. I'm a brazilian C programmer and I'm learning how to programm in Python fast because it is cool. I installed python a few days ago in my notebook. So, I will be here learning with you guys just watching you and your discussions about what it is better for python's future for while and when I fell 100% sure about what I have to post it here. I will. I'm sorry about my English. That's my first time typing in English … [View More]

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Summary of Python tracker Issues
by Python tracker April 22, 2011

April 22, 2011

ACTIVITY SUMMARY (2011-04-15 - 2011-04-22) 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 2752 (+18) closed 20937 (+38) total 23689 (+56) Open issues with patches: 1194 Issues opened (38) ================== #4608: urllib.request.urlopen does not return an iterable object http://bugs.python.org/issue4608 reopened by orsenthil #11584: email.… [View More]

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Test cases not garbage collected after run
by Fabio Zadrozny April 21, 2011

April 21, 2011

I actually created a bug entry for this (http://bugs.python.org/issue11798) and just later it occurred that I should've asked in the list first :) So, here's the text for opinions: Right now, when doing a test case, one must clear all the variables created in the test class, and I believe this shouldn't be needed... E.g.: class Test(TestCase): def setUp(self): self.obj1 = MyObject() ... def tearDown(self): del self.obj1 Ideally (in my view), right after running the test, it … [View More]

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Re: [Python-Dev] [Python-checkins] cpython: Issue #11223: Add threading._info() function providing informations about the
by Victor Stinner April 20, 2011

April 20, 2011

Hi, Le mardi 19 avril 2011 à 22:42 -0400, Terry Reedy a écrit : > On 4/19/2011 5:59 PM, victor.stinner wrote: > > > Issue #11223: Add threading._info() function providing informations about the > > thread implementation. > > Since this is being documented, making it part of the public api, why > does it have a leading underscore? Well, I suppose that this function might be specific to CPython. Do you think that this function can/should be implemented in PyPy, … [View More]

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