Python-Dev May 2012

python-dev@python.org

98 participants
117 discussions

How to build a browser in Paython. cannot import webkit & object.

by Mr.T Beppu

I think that I will make a browser in Official Python (not MacPorts Python). What should I do in order to install Webkit for Official Python (not MacPorts Python) ? from tokyo Japan.

8 years, 10 months

Re: [Python-Dev] [Python-checkins] peps: PEP 421 is implemented.

by Nick Coghlan

On Sat, May 26, 2012 at 5:14 PM, georg.brandl <python-checkins(a)python.org> wrote: > http://hg.python.org/peps/rev/cba34504163d > changeset: 4441:cba34504163d > user: Georg Brandl <georg(a)python.org> > date: Sat May 26 09:15:01 2012 +0200 > summary: > PEP 421 is implemented. Did you mean to move 405 instead? 421 is accepted, but not implemented yet. Cheers, Nick. -- Nick Coghlan | ncoghlan(a)gmail.com | Brisbane, Australia

8 years, 10 months

Re: [Python-Dev] cpython: Implemented PEP 405 (Python virtual environments).

by Antoine Pitrou

On Sat, 26 May 2012 04:48:49 +0200 vinay.sajip <python-checkins(a)python.org> wrote: > +_sys_home = getattr(sys, '_home', None) > +if _sys_home and os.name == 'nt' and _sys_home.lower().endswith('pcbuild'): > + _sys_home = os.path.dirname(_sys_home) What about pcbuild/amd64? Does this work on 64-bit builds? > +_sys_home = getattr(sys, '_home', None) > +if _sys_home and os.name == 'nt' and _sys_home.lower().endswith('pcbuild'): > + _sys_home = os.path.dirname(_sys_home) Same question here. > +#!/usr/bin/env python I don't think there should be a shebang line in a test file. > +# > +# Copyright 2011 by Vinay Sajip. All Rights Reserved. > +# > +# Permission to use, copy, modify, and distribute this software and its > +# documentation for any purpose and without fee is hereby granted, > +# provided that the above copyright notice appear in all copies and that > +# both that copyright notice and this permission notice appear in > +# supporting documentation, and that the name of Vinay Sajip > +# not be used in advertising or publicity pertaining to distribution > +# of the software without specific, written prior permission. > +# VINAY SAJIP DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING > +# ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL > +# VINAY SAJIP BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR > +# ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER > +# IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT > +# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. Why the copyright boilerplate? > +# Use with a Python executable built from the Python fork at > +# > +# https://bitbucket.org/vinay.sajip/pythonv/ as follows: This needs to be updated. > +# You'll need an Internet connection (needed to download distribute_setup.py). > +# > +# The script will change to the environment's binary directory and run > +# > +# ./python distribute_setup.py [...] > +# This class will not be included in Python core; it's here for now to Well... either the comment should be fixed or the class removed. > + # XXX This option will be removed. > + # XXX This will be changed to EnvBuilder Same here. > diff --git a/Lib/venv/scripts/nt/pysetup3.exe b/Lib/venv/scripts/nt/pysetup3.exe > new file mode 100644 > index 0000000000000000000000000000000000000000..3f3c09ebc8e55f4ac3379041753cb34daef71892 > GIT binary patch What's this file and how was it compiled? Regards Antoine.

8 years, 10 months

Accepting PEP 405 (Python Virtual Environments)

by Nick Coghlan

As the latest round of updates that Carl and Vinay pushed to the PEPs repo have addressed my few remaining questions, I am accepting PEP 405 for inclusion in Python 3.3. Thanks to all involved in working out the spec for what to model directly on virtualenv, and areas where cleaner solutions could be found given the power to tweak the behaviour of the core interpreter and the standard library. Cheers, Nick. -- Nick Coghlan | ncoghlan(a)gmail.com | Brisbane, Australia

8 years, 10 months

doc change for weakref

by Ethan Furman

I'd like to make a slight doc change for weakref to state (more or less): weakrefs are not invalidated when the strong refs are gone, but rather when garbage collection reclaims the object Should this be accurate for all implementations, or should it be more along the lines of: weakrefs may be invalidated as soon as the strong refs are gone, but may last until garbage collection reclaims the object ~Ethan~

8 years, 10 months

Re: [Python-Dev] sys.implementation

by Eric Snow

PEP 421 has reached a good place and I'd like to ask for pronouncement. Thanks! -eric

8 years, 10 months

Volunteering to be PEP czar for PEP 421, sys.implementation

by Barry Warsaw

I've mentioned this in private to a few folks, with generally positive feedback. I am formally volunteering to be PEP czar for PEP 421, sys.implementation. If there are no objections in the next few days, I'll make it official. Cheers, -Barry

8 years, 10 months

Rietveld update

by martin＠v.loewis.de

As some have probably noticed: I updated the Rietveld version that we use to the current code base. There have been a few incompatible changes (schema, GAE API) which I hope I resolved. If you find new problems, please report them to the meta tracker. Regards, Martin

8 years, 10 months

Summary of Python tracker Issues

by Python tracker

ACTIVITY SUMMARY (2012-05-18 - 2012-05-25) 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 3440 ( +8) closed 23254 (+58) total 26694 (+66) Open issues with patches: 1455 Issues opened (44) ================== #11804: expat parser not xml 1.1 (breaks xmlrpclib) http://bugs.python.org/issue11804 reopened by xrg #14852: json and ElementTree parsers misbehave on streams containing m http://bugs.python.org/issue14852 opened by Frederick.Ross #14853: test_file.py depends on sys.stdin being unseekable http://bugs.python.org/issue14853 opened by gregory.p.smith #14854: faulthandler: fatal error with "SystemError: null argument to http://bugs.python.org/issue14854 opened by zbysz #14855: IPv6 support for logging.handlers http://bugs.python.org/issue14855 opened by cblp #14856: argparse: creating an already defined subparsers does not rais http://bugs.python.org/issue14856 opened by eacb #14857: Direct access to lexically scoped __class__ is broken in 3.3 http://bugs.python.org/issue14857 opened by ncoghlan #14858: 'pysetup create' off-by-one when choosing classification matur http://bugs.python.org/issue14858 opened by todddeluca #14869: imaplib erronously quotes atoms such as flags http://bugs.python.org/issue14869 opened by brightbyte #14870: Descriptions of os.utime() and os.utimensat() use wrong notati http://bugs.python.org/issue14870 opened by hynek #14871: Rewrite the command line parsers and actions system used in di http://bugs.python.org/issue14871 opened by eric.araujo #14873: Windows devguide: clarification for build errors due to missin http://bugs.python.org/issue14873 opened by valhallasw #14874: Faster charmap decoding http://bugs.python.org/issue14874 opened by storchaka #14876: IDLE highlighting theme does not preview with user-selected fo http://bugs.python.org/issue14876 opened by andrew.m #14877: No option to run bdist_wininst against newer msvc versions on http://bugs.python.org/issue14877 opened by Aaron.Staley #14878: send statement from PEP342 is poorly documented. http://bugs.python.org/issue14878 opened by Stephen.Lacy #14879: invalid docs for subprocess exceptions with shell=True http://bugs.python.org/issue14879 opened by techtonik #14880: csv.reader and .writer use wrong kwargs notation in 2.7 docs http://bugs.python.org/issue14880 opened by hynek #14881: multiprocessing.dummy craches when self._parent._children does http://bugs.python.org/issue14881 opened by Itay.Brandes #14882: Link/Compile Error on Sun Sparc Solaris10 with gcc3.4.3----pyt http://bugs.python.org/issue14882 opened by seeker77 #14886: json C vs pure-python implementation difference http://bugs.python.org/issue14886 opened by mmarkk #14892: 'import readline' hangs when launching with '&' on BSD and OS http://bugs.python.org/issue14892 opened by olivier-mattelaer #14893: Tutorial: Add function annotation example to function tutorial http://bugs.python.org/issue14893 opened by zach.ware #14894: distutils.LooseVersion fails to compare number and a word http://bugs.python.org/issue14894 opened by Natalia #14895: test_warnings.py EnvironmentVariableTests is a bad test http://bugs.python.org/issue14895 opened by tebeka #14897: struct.pack raises unexpected error message http://bugs.python.org/issue14897 opened by mesheb82 #14899: Naming conventions and guidelines for packages and namespace p http://bugs.python.org/issue14899 opened by benoitbryon #14900: cProfile does not take its result headers as sort arguments http://bugs.python.org/issue14900 opened by ArneBab #14901: Python Windows FAQ is Very Outdated http://bugs.python.org/issue14901 opened by michael.driscoll #14902: test_logging failed http://bugs.python.org/issue14902 opened by cblp #14903: dictobject infinite loop on 2.6.5 on 32-bit x86 http://bugs.python.org/issue14903 opened by Daniel.Farina #14904: test_unicode_repr_oflw (in test_bigmem) crashes http://bugs.python.org/issue14904 opened by pitrou #14905: zipimport.c needs to support namespace packages when no 'direc http://bugs.python.org/issue14905 opened by eric.smith #14906: rotatingHandler WindowsError http://bugs.python.org/issue14906 opened by jacuro #14907: SSL module cannot handle unicode filenames http://bugs.python.org/issue14907 opened by ms4py #14908: datetime.datetime should have a timestamp() method http://bugs.python.org/issue14908 opened by djc #14909: Fix incorrect use of *Realloc() and *Resize() http://bugs.python.org/issue14909 opened by kristjan.jonsson #14910: argparse: disable abbreviation http://bugs.python.org/issue14910 opened by jens.jaehrig #14911: generator.throw() documentation inaccurate http://bugs.python.org/issue14911 opened by kristjan.jonsson #14912: Pdb does not stop at a breakpoint after a restart command and http://bugs.python.org/issue14912 opened by xdegaye #14913: tokenize the source to manage Pdb breakpoints http://bugs.python.org/issue14913 opened by xdegaye #14914: pysetup installed distribute despite dry run option being spec http://bugs.python.org/issue14914 opened by ncoghlan #14915: pysetup may leave a package in a half-installed state http://bugs.python.org/issue14915 opened by ncoghlan #14916: PyRun_InteractiveLoop fails to run interactively when using a http://bugs.python.org/issue14916 opened by Kevin.Barry Most recent 15 issues with no replies (15) ========================================== #14916: PyRun_InteractiveLoop fails to run interactively when using a http://bugs.python.org/issue14916 #14915: pysetup may leave a package in a half-installed state http://bugs.python.org/issue14915 #14914: pysetup installed distribute despite dry run option being spec http://bugs.python.org/issue14914 #14913: tokenize the source to manage Pdb breakpoints http://bugs.python.org/issue14913 #14911: generator.throw() documentation inaccurate http://bugs.python.org/issue14911 #14910: argparse: disable abbreviation http://bugs.python.org/issue14910 #14909: Fix incorrect use of *Realloc() and *Resize() http://bugs.python.org/issue14909 #14906: rotatingHandler WindowsError http://bugs.python.org/issue14906 #14904: test_unicode_repr_oflw (in test_bigmem) crashes http://bugs.python.org/issue14904 #14900: cProfile does not take its result headers as sort arguments http://bugs.python.org/issue14900 #14874: Faster charmap decoding http://bugs.python.org/issue14874 #14871: Rewrite the command line parsers and actions system used in di http://bugs.python.org/issue14871 #14858: 'pysetup create' off-by-one when choosing classification matur http://bugs.python.org/issue14858 #14853: test_file.py depends on sys.stdin being unseekable http://bugs.python.org/issue14853 #14852: json and ElementTree parsers misbehave on streams containing m http://bugs.python.org/issue14852 Most recent 15 issues waiting for review (15) ============================================= #14913: tokenize the source to manage Pdb breakpoints http://bugs.python.org/issue14913 #14909: Fix incorrect use of *Realloc() and *Resize() http://bugs.python.org/issue14909 #14900: cProfile does not take its result headers as sort arguments http://bugs.python.org/issue14900 #14899: Naming conventions and guidelines for packages and namespace p http://bugs.python.org/issue14899 #14895: test_warnings.py EnvironmentVariableTests is a bad test http://bugs.python.org/issue14895 #14893: Tutorial: Add function annotation example to function tutorial http://bugs.python.org/issue14893 #14876: IDLE highlighting theme does not preview with user-selected fo http://bugs.python.org/issue14876 #14874: Faster charmap decoding http://bugs.python.org/issue14874 #14873: Windows devguide: clarification for build errors due to missin http://bugs.python.org/issue14873 #14856: argparse: creating an already defined subparsers does not rais http://bugs.python.org/issue14856 #14855: IPv6 support for logging.handlers http://bugs.python.org/issue14855 #14854: faulthandler: fatal error with "SystemError: null argument to http://bugs.python.org/issue14854 #14843: support define_macros / undef_macros in setup.cfg http://bugs.python.org/issue14843 #14840: Tutorial: Add a bit on the difference between tuples and lists http://bugs.python.org/issue14840 #14837: Better SSL errors http://bugs.python.org/issue14837 Top 10 most discussed issues (10) ================================= #14814: Implement PEP 3144 (the ipaddress module) http://bugs.python.org/issue14814 15 msgs #14775: Dict untracking can result in quadratic dict build-up http://bugs.python.org/issue14775 12 msgs #14855: IPv6 support for logging.handlers http://bugs.python.org/issue14855 11 msgs #11804: expat parser not xml 1.1 (breaks xmlrpclib) http://bugs.python.org/issue11804 7 msgs #12014: str.format parses replacement field incorrectly http://bugs.python.org/issue12014 7 msgs #14744: Use _PyUnicodeWriter API in str.format() internals http://bugs.python.org/issue14744 7 msgs #14854: faulthandler: fatal error with "SystemError: null argument to http://bugs.python.org/issue14854 7 msgs #14886: json C vs pure-python implementation difference http://bugs.python.org/issue14886 6 msgs #14894: distutils.LooseVersion fails to compare number and a word http://bugs.python.org/issue14894 6 msgs #1191964: asynchronous Subprocess http://bugs.python.org/issue1191964 6 msgs Issues closed (54) ================== #4033: python search path - .pth recursion http://bugs.python.org/issue4033 closed by brett.cannon #9374: urlparse should parse query and fragment for arbitrary schemes http://bugs.python.org/issue9374 closed by orsenthil #9400: multiprocessing.pool.AsyncResult.get() messes up exceptions http://bugs.python.org/issue9400 closed by sbt #11647: function decorated with a context manager can only be invoked http://bugs.python.org/issue11647 closed by ncoghlan #12098: Child process running as debug on Windows http://bugs.python.org/issue12098 closed by sbt #13152: textwrap: support custom tabsize http://bugs.python.org/issue13152 closed by hynek #13208: Problems with urllib on windows http://bugs.python.org/issue13208 closed by holdenweb #13210: Support Visual Studio 2010 http://bugs.python.org/issue13210 closed by loewis #13445: Enable linking the module pysqlite with Berkeley DB SQL instea http://bugs.python.org/issue13445 closed by petri.lehtinen #13585: Add contextlib.ExitStack http://bugs.python.org/issue13585 closed by python-dev #13682: Documentation of os.fdopen() refers to non-existing bufsize ar http://bugs.python.org/issue13682 closed by petri.lehtinen #14072: urlparse on tel: URI-s misses the scheme in some cases http://bugs.python.org/issue14072 closed by ezio.melotti #14075: argparse: unused method? http://bugs.python.org/issue14075 closed by petri.lehtinen #14136: Simplify PEP 409 command line test and move it to test_cmd_lin http://bugs.python.org/issue14136 closed by python-dev #14426: date format problem in Cookie/http.cookies http://bugs.python.org/issue14426 closed by orsenthil #14472: .gitignore is outdated http://bugs.python.org/issue14472 closed by petri.lehtinen #14494: __future__.py and its documentation claim absolute imports bec http://bugs.python.org/issue14494 closed by petri.lehtinen #14572: 2.7.3: sqlite module does not build on centos 5 and Mac OS X 1 http://bugs.python.org/issue14572 closed by ned.deily #14588: PEP 3115 compliant dynamic class creation http://bugs.python.org/issue14588 closed by python-dev #14660: Implement PEP 420: Implicit Namespace Packages http://bugs.python.org/issue14660 closed by eric.smith #14721: httplib doesn't specify content-length header for POST request http://bugs.python.org/issue14721 closed by orsenthil #14798: pyclbr raises KeyError when the prefix of a dotted name is not http://bugs.python.org/issue14798 closed by petri.lehtinen #14804: Wrong defaults args notation in docs http://bugs.python.org/issue14804 closed by hynek #14821: _ctypes and other modules not built with msbuild on vs2010 sol http://bugs.python.org/issue14821 closed by jason.coombs #14822: Build unusable when compiled for Win 64-bit release http://bugs.python.org/issue14822 closed by jason.coombs #14831: make r argument on itertools.combinations() optional http://bugs.python.org/issue14831 closed by terry.reedy #14833: Copyright date in footer of /pypi says 2011 http://bugs.python.org/issue14833 closed by terry.reedy #14836: Add next(iter(o)) to set.pop, dict.popitem entries. http://bugs.python.org/issue14836 closed by rhettinger #14838: IDLE Will not load on reinstall http://bugs.python.org/issue14838 closed by loewis #14842: Link to function time() in the docs point to the time module http://bugs.python.org/issue14842 closed by python-dev #14849: C implementation of ElementTree: Inheriting from Element break http://bugs.python.org/issue14849 closed by eli.bendersky #14851: Python-2.6.8 install fails due to missing files http://bugs.python.org/issue14851 closed by ned.deily #14859: Patch to make IDLE window rise to top in OS X on launch http://bugs.python.org/issue14859 closed by ned.deily #14860: devguide: Clarify how to run cpython test suite - esp. on 2.7 http://bugs.python.org/issue14860 closed by ezio.melotti #14861: Make ./python -m test work to run test suite in Python 2.7 http://bugs.python.org/issue14861 closed by loewis #14862: os.__all__ is missing some names http://bugs.python.org/issue14862 closed by petri.lehtinen #14863: Update docs of os.fdopen() http://bugs.python.org/issue14863 closed by petri.lehtinen #14864: Mention logging.disable(logging.NOTSET) to reset the command i http://bugs.python.org/issue14864 closed by python-dev #14865: #doctest: directives removed from doctest chapter examples http://bugs.python.org/issue14865 closed by terry.reedy #14866: 2.x,3.x iOS static build: Fatal Python error: exceptions boots http://bugs.python.org/issue14866 closed by amaury.forgeotdarc #14867: chm link missing from 2.7.3 download page http://bugs.python.org/issue14867 closed by ned.deily #14868: Allow log calls to return True for code optimization. http://bugs.python.org/issue14868 closed by Lluís #14872: subprocess is not safe from deadlocks http://bugs.python.org/issue14872 closed by rosslagerwall #14875: Unusual way of doing 'Inf' in json library http://bugs.python.org/issue14875 closed by ezio.melotti #14883: html documentation does not show comments in code blocks http://bugs.python.org/issue14883 closed by ezio.melotti #14884: Windows Build instruction typo http://bugs.python.org/issue14884 closed by eli.bendersky #14885: shutil tests, test_copy2_xattr and test_copyxattr, fail http://bugs.python.org/issue14885 closed by hynek #14887: pysetup: unfriendly error message for unknown commands http://bugs.python.org/issue14887 closed by eric.araujo #14888: _md5 module crashes on large data http://bugs.python.org/issue14888 closed by pitrou #14889: PyBytes_FromObject(bytes_object) creates a new object http://bugs.python.org/issue14889 closed by larry #14890: typo in difflib http://bugs.python.org/issue14890 closed by ninsen #14891: An error in bindings of closures http://bugs.python.org/issue14891 closed by amaury.forgeotdarc #14896: plistlib handling of real datatype http://bugs.python.org/issue14896 closed by ned.deily #14898: Dict collision on boolean and integer values http://bugs.python.org/issue14898 closed by mark.dickinson

8 years, 10 months

An infinite loop in dictobject.c

by Daniel Farina

Hello all. I seem to be encountering somewhat rare an infinite loop in hash table probing while importing _socket, as triggered by init_socket.c in Python 2.6, as seen/patched shipped with Ubuntu 10.04 LTS. The problem only reproduces on 32 bit machines, on both -O2 and -O0 builds (which is how I have managed to retrieve the detailed stack traces below). To cut to the chase, the bottom of the stack trace invariably looks like this, in particular the "key" (and therefore "hash") value is always the same: #0 0x08088637 in lookdict_string (mp=0xa042714, key='SO_RCVTIMEO', hash=612808203) at ../Objects/dictobject.c:421 #1 0x080886cd in insertdict (mp=0xa042714, key='SO_RCVTIMEO', hash=612808203, value=20) at ../Objects/dictobject.c:450 #2 0x08088cac in PyDict_SetItem (op=<unknown at remote 0x37>, key= 'SO_RCVTIMEO', value=20) at ../Objects/dictobject.c:701 #3 0x0808b8d4 in PyDict_SetItemString (v= {'AF_INET6': 10, 'SocketType': <type at remote 0x8275e00>, 'getaddrinfo': <built-in function getaddrinfo>, 'TIPC_MEDIUM_IMPORTANCE': 1, 'htonl': <built-in function htonl>, 'AF_UNSPEC': 0, 'TIPC_DEST_DROPPABLE': 129, 'TIPC_ADDR_ID': 3, 'PF_PACKET': 17, 'AF_WANPIPE': 25, 'PACKET_OTHERHOST': 3, 'AF_AX25': 3, 'PACKET_BROADCAST': 1, 'PACKET_FASTROUTE': 6, 'TIPC_NODE_SCOPE': 3, 'inet_pton': <built-in function inet_pton>, 'AF_ATMPVC': 8, 'NETLINK_IP6_FW': 13, 'NETLINK_ROUTE': 0, 'TIPC_PUBLISHED': 1, 'TIPC_WITHDRAWN': 2, 'AF_ECONET': 19, 'AF_LLC': 26, '__name__': '_socket', 'AF_NETROM': 6, 'SOCK_RDM': 4, 'AF_IRDA': 23, 'htons': <built-in function htons>, 'SOCK_RAW': 3, 'inet_ntoa': <built-in function inet_ntoa>, 'AF_NETBEUI': 13, 'AF_NETLINK': 16, 'TIPC_WAIT_FOREVER': -1, 'AF_UNIX': 1, 'TIPC_SUB_PORTS': 1, 'HCI_TIME_STAMP': 3, 'gethostbyname_ex': <built-in function gethostbyname_ex>, 'SO_RCVBUF': 8, 'AF_APPLETALK': 5, 'SOCK_SEQPACKET': 5, 'AF_DECnet': 12, 'PACKET_OUTGOING': 4, 'SO_SNDLOWAT': 19, 'TIPC_SRC_DROPPABLE':...(truncated), key=0x81ac5fb "SO_RCVTIMEO", item=20) at ../Objects/dictobject.c:2301 #4 0x080f6c98 in PyModule_AddObject (m=<module at remote 0xb73cac8c>, name= 0x81ac5fb "SO_RCVTIMEO", o=20) at ../Python/modsupport.c:615 #5 0x080f6d0b in PyModule_AddIntConstant (m=<module at remote 0xb73cac8c>, name=0x81ac5fb "SO_RCVTIMEO", value=20) at ../Python/modsupport.c:627 #6 0x081321fd in init_socket () at ../Modules/socketmodule.c:4708 Here, we never escape from lookdict_string. The key is not in the dictionary, but at this stage Python is trying to figure out that is the case, and cannot seem to exit because of the lack of a dummy entry. Furthermore, every single reproduced case has a dictionary with a suspicious looking violation of an invariant that I believe is communicated by the source of dictobject.c, with emphasis on the values of ma_fill, ma_used, and ma_mask, which never deviate in any reproduced case. It seems like no hash table should ever get this full, per the comments in the source: $3 = {ob_refcnt = 1, ob_type = 0x81c3aa0, ma_fill = 128, ma_used = 128, ma_mask = 127, ma_table = 0xa06b4a8, ma_lookup = 0x8088564 <lookdict_string>, ma_smalltable = {{me_hash = 0, me_key = 0x0, me_value = 0x0}, {me_hash = 1023053529, me_key = '__name__', me_value = '_socket'}, {me_hash = 1679430097, me_key = 'gethostbyname', me_value = <built-in function gethostbyname>}, {me_hash = 0, me_key = 0x0, me_value = 0x0}, {me_hash = 779452068, me_key = 'gethostbyname_ex', me_value = <built-in function gethostbyname_ex>}, {me_hash = -322108099, me_key = '__doc__', me_value = None}, {me_hash = -1649837379, me_key = 'gethostbyaddr', me_value = <built-in function gethostbyaddr>}, { me_hash = 1811348911, me_key = '__package__', me_value = None}}} The Python program that is running afoul this bug is using gevent, but the stack traces suggest that all gevent is doing at the time this crashes is importing "socket", and this is done at the very, very beginning of program execution. Finally, what's especially strange is that I had gone a very long time running this exact version of Python, libraries, and application quite frequently: it suddenly started cropping up a little while ago (maybe a few weeks). It could have been just coincidence, but if there are code paths in init_socket.c that may somehow be sensitive to the network somehow, this could have been related. I also have a limited suspicion that particularly unlucky OOM (these systems are configured in a way where malloc and friends will return NULL, i.e. no overcommit on Linux) could be related. Any guiding words, known bugs, or suspicions? -- fdr

8 years, 10 months

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Python-Dev May 2012