Python-Dev March 2013

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Re: [Python-Dev] [Python-checkins] cpython (3.3): Don't deadlock on a reentrant call.
by Ezio Melotti 01 Mar '13

01 Mar '13

Hi, On Fri, Mar 1, 2013 at 2:02 PM, raymond.hettinger <python-checkins(a)python.org> wrote: > http://hg.python.org/cpython/rev/1920422626a5 > changeset: 82437:1920422626a5 > branch: 3.3 > parent: 82435:43ac02b7e322 > user: Raymond Hettinger <python(a)rcn.com> > date: Fri Mar 01 03:47:57 2013 -0800 > summary: > Don't deadlock on a reentrant call. this seems to have broken builds without threads. After this commit I get a compile error: $ ./configure --without-threads --with-pydebug && make -j2 [...] ./python -E -S -m sysconfig --generate-posix-vars Could not find platform dependent libraries <exec_prefix> Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>] Could not import runpy module Exception ignored in: 'garbage collection' Traceback (most recent call last): File "/home/wolf/dev/py/py3k/Lib/runpy.py", line 16, in <module> import imp File "/home/wolf/dev/py/py3k/Lib/imp.py", line 23, in <module> import tokenize File "/home/wolf/dev/py/py3k/Lib/tokenize.py", line 28, in <module> import re File "/home/wolf/dev/py/py3k/Lib/re.py", line 124, in <module> import functools File "/home/wolf/dev/py/py3k/Lib/functools.py", line 22, in <module> from dummy_threading import RLock File "/home/wolf/dev/py/py3k/Lib/dummy_threading.py", line 45, in <module> import threading File "/home/wolf/dev/py/py3k/Lib/threading.py", line 6, in <module> from time import sleep as _sleep ImportError: No module named 'time' Fatal Python error: unexpected exception during garbage collection Current thread 0x00000000: make: *** [pybuilddir.txt] Aborted (core dumped) See also: http://buildbot.python.org/all/builders/AMD64%20Fedora%20without%20threads%… http://buildbot.python.org/all/builders/AMD64%20Fedora%20without%20threads%… (Also having tests for this change would be nice.) Best Regards, Ezio Melotti

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High volumes and off topic discussions
by Maciej Fijalkowski 01 Mar '13

01 Mar '13

Hi I know this is a hard topic, but python-dev is already incredibly high-volume and dragging discussion off-topic is making following important stuff (while ignoring unimportant stuff) very hard. For example in a recent topic "cffi in stdlib" I find a mail that says "we have to find a sufficiently silly species of snake". It's even funny, but it definitely makes it very hard to follow for those of us who don't read python-dev 24/7. Would it be reasonable for python-dev to generally try to stay on topic (for example if the thread is called "silly species of snakes", I absolutely don't mind people posting there whatever they feel like as long as I'm not expected to read every single message). Cheers, fijal

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