Mailman 3 July 2013 - docs

izip not documented in Py3
by Juergen Novak July 6, 2013

July 6, 2013

Hi there, today I was stumpling over a nice video of Raymond Hettinger. He also described izip, which I did not knew before. So I looked into the documentation and did not find it, because it was in 2.x in itertools and in 3.x it is a builtin. But it is not documented as a builtin in 3.x -- either it is not documented in 3.x itertools (what is correct, since it can not be imported from there anymore, I guess). I only did find it in 3.x documentation in a little doc about the conversion tool, stating that imports of izip are removed. So essentially, izip is *not* documented at all in Py3. There also might be missing some others that where moved from itertools to builtin, like imap. Did not check it. Best Regards, /juergen

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[issue1703592] have a way to ignore nonexisting locales in locale.setlocale
by Christian Heimes July 5, 2013

July 5, 2013

Changes by Christian Heimes <lists(a)cheimes.de>: ---------- versions: +Python 3.4 -Python 2.7, Python 3.1 _______________________________________ Python tracker <report(a)bugs.python.org> <http://bugs.python.org/issue1703592> _______________________________________

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[issue11366] xml.etree.ElementTree.Element: docs should mention immediate subelement
by Christian Heimes July 5, 2013

July 5, 2013

Christian Heimes added the comment: The introduction [1] to etree explains it: Element.findall() finds only elements with a tag which are direct children of the current element. IMHO it's also the obvious outcome for anybody familiar with XML and XPath. [1] http://docs.python.org/3/library/xml.etree.elementtree.html#finding-interes… ---------- nosy: +christian.heimes resolution: -> works for me status: open -> closed _______________________________________ Python tracker <report(a)bugs.python.org> <http://bugs.python.org/issue11366> _______________________________________

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[issue6128] Consequences of using Py_TPFLAGS_HAVE_GC are incompletely explained
by Christian Heimes July 5, 2013

July 5, 2013

Christian Heimes added the comment: Python's extension modules aren't consistent. Some places deallocate the object with PyObject_Del(), other places are using PyObject_GC_Del() or simple Py_DECREF(). ---------- nosy: +christian.heimes priority: normal -> low stage: -> needs patch type: -> enhancement versions: +Python 3.4 _______________________________________ Python tracker <report(a)bugs.python.org> <http://bugs.python.org/issue6128> _______________________________________

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[issue18354] http://www.python.org/doc/ has outdated note
by Daniel Holth July 5, 2013

July 5, 2013

New submission from Daniel Holth: Please remove the note. Note A new documentation project, which will be merged into the Python documentation soon, covers creating, installing and distributing Python packages: The Hitchhiker's Guide to Packaging (creating and distributing Python packages) ---------- assignee: docs@python components: Documentation messages: 192251 nosy: dholth, docs@python priority: normal severity: normal status: open title: http://www.python.org/doc/ has outdated note type: enhancement _______________________________________ Python tracker <report(a)bugs.python.org> <http://bugs.python.org/issue18354> _______________________________________

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[issue16933] argparse: remove magic from examples
by paul j3 July 3, 2013

July 3, 2013

paul j3 added the comment: There still is one "choices='XYZ'" example (16.4.5.1. Sub-commands) but the focus isn't on choices. ---------- nosy: +paul.j3 _______________________________________ Python tracker <report(a)bugs.python.org> <http://bugs.python.org/issue16933> _______________________________________

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[issue14206] multiprocessing.Queue documentation is lacking important details
by Garrett Moore July 2, 2013

July 2, 2013

New submission from Garrett Moore <garrettmoore(a)gmail.com>: 1) If cancel_join_thread() is called, data may be lost. This is not explicitly stated. I had multiple writers put() data in a Queue, and wanted to have the workers finish before I began consuming the data. This caused a deadlock because my Queue was not empty, and it seemed like the a way to force my workers finish was to use cancel_join_thread(). This caused data loss. 2) multiprocessing.Queue states "The Queue class is a near clone of Queue.Queue." Queue.Queue states "If maxsize is less than or equal to zero, the queue size is infinite." mp.Queue provides no information on queue size. It is reasonable to assume then that it inherits the property of Queue.Queue. After discussion on IRC, it seems that mp.Queue maximum size is implementation-dependent and likely relies on how much data Pipes can hold on your platform. If this is the case there should be some mention of the fact that mp.Queue does NOT function like Queue.Queue does for maximum size. ---------- assignee: docs@python components: Documentation messages: 154995 nosy: Garrett.Moore, docs@python priority: normal severity: normal status: open title: multiprocessing.Queue documentation is lacking important details versions: Python 2.6, Python 2.7 _______________________________________ Python tracker <report(a)bugs.python.org> <http://bugs.python.org/issue14206> _______________________________________

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[issue17273] Pool methods can only be used by parent process.
by Richard Oudkerk July 2, 2013

July 2, 2013

Changes by Richard Oudkerk <shibturn(a)gmail.com>: ---------- resolution: -> fixed stage: -> committed/rejected status: open -> closed title: multiprocessing.pool.Pool task/worker handlers are not fork safe -> Pool methods can only be used by parent process. type: behavior -> versions: +Python 2.7, Python 3.4 _______________________________________ Python tracker <report(a)bugs.python.org> <http://bugs.python.org/issue17273> _______________________________________

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[issue17273] multiprocessing.pool.Pool task/worker handlers are not fork safe
by Roundup Robot July 2, 2013

July 2, 2013

Roundup Robot added the comment: New changeset 389788ba6bcb by Richard Oudkerk in branch '2.7': Issue #17273: Clarify that pool methods can only be used by parent process. http://hg.python.org/cpython/rev/389788ba6bcb New changeset 57fe80fda9be by Richard Oudkerk in branch '3.3': Issue #17273: Clarify that pool methods can only be used by parent process. http://hg.python.org/cpython/rev/57fe80fda9be New changeset 7ccf3d36ad13 by Richard Oudkerk in branch 'default': Issue #17273: Clarify that pool methods can only be used by parent process. http://hg.python.org/cpython/rev/7ccf3d36ad13 ---------- nosy: +python-dev _______________________________________ Python tracker <report(a)bugs.python.org> <http://bugs.python.org/issue17273> _______________________________________

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[issue18337] codecs: StremReader readline() breaks on undocumented characters
by Thomas Guettler July 1, 2013

July 1, 2013

New submission from Thomas Guettler: The stream reader of codecs.open() breaks on undocumented characters: http://docs.python.org/2/library/codecs.html?highlight=codecs%20readline#co… import tempfile temp=tempfile.mktemp() fd=open(temp, 'wb') fd.write('abc\ndef\x85ghi') fd.close() import codecs fd=codecs.open(temp, 'rb', 'latin1') while True: line=fd.readline() if not line: break print repr(line) Result: u'abc\n' u'def\x85' u'ghi' Related: http://stackoverflow.com/questions/16227114/utf-8-files-read-in-python-will… ---------- assignee: docs@python components: Documentation messages: 192112 nosy: docs@python, guettli priority: normal severity: normal status: open title: codecs: StremReader readline() breaks on undocumented characters versions: Python 2.7 _______________________________________ Python tracker <report(a)bugs.python.org> <http://bugs.python.org/issue18337> _______________________________________

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