[issue12098] Child process running as debug on Windows

Changes by Kristján Valur Jónsson : -- status: open -> closed ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: h

[issue12098] Child process running as debug on Windows

Roundup Robot added the comment: New changeset b0b507268d7c by Kristján Valur Jónsson in branch '2.7': Issue #12098 : Fix a missing import in the unittests. http://hg.python.org/cpython/rev/b0b507268d7c -- ___ Python tracker

[issue12098] Child process running as debug on Windows

Kristján Valur Jónsson added the comment: The buildbots page has been down for a while now, I can't see what's going on. -- ___ Python tracker ___ ___

[issue12098] Child process running as debug on Windows

R. David Murray added the comment: Early indications are that this backport broke test running on the buildbots: http://buildbot.python.org/all/builders/AMD64%20OpenIndiana%202.7/builds/1614 -- nosy: +r.david.murray ___ Python tracker

[issue12098] Child process running as debug on Windows

Roundup Robot added the comment: New changeset 37f52e71f4cd by Kristján Valur Jónsson in branch '2.7': Issue #12098: multiprocessing on Windows now starts child processes http://hg.python.org/cpython/rev/37f52e71f4cd -- ___ Python tracker

[issue12098] Child process running as debug on Windows

Kristján Valur Jónsson added the comment: Reopening this since this it needs backporting to 2.7 -- nosy: +kristjan.jonsson status: closed -> open versions: +Python 2.7 ___ Python tracker ___

[issue12098] Child process running as debug on Windows

Changes by Richard Oudkerk : -- resolution: -> fixed stage: -> committed/rejected status: open -> closed ___ Python tracker ___ ___

[issue12098] Child process running as debug on Windows

Roundup Robot added the comment: New changeset 2034b3de1144 by Antoine Pitrou in branch 'default': Move private function _args_from_interpreter_flags() to subprocess.py, so http://hg.python.org/cpython/rev/2034b3de1144 -- ___ Python tracker

[issue12098] Child process running as debug on Windows

Antoine Pitrou added the comment: > > Since multiprocessing also depends on threading, the change has broken > > the "AMD64 Fedora without threads 3.x" buildbot. I had not realized > > that the buildbots ran the test suite using multiple processes. > > They don't. It's only the import failing,

[issue12098] Child process running as debug on Windows

Antoine Pitrou added the comment: > Since multiprocessing also depends on threading, the change has broken > the "AMD64 Fedora without threads 3.x" buildbot. I had not realized > that the buildbots ran the test suite using multiple processes. They don't. It's only the import failing, so you sh

[issue12098] Child process running as debug on Windows

Richard Oudkerk added the comment: > > Failure to build _multiprocessing will mean that multiprocessing cannot > > be imported. So if the function goes somewhere in multiprocessing then > > it makes running the test suite with multiple processes dependent on the > > building of _multiprocess

[issue12098] Child process running as debug on Windows

Roundup Robot added the comment: New changeset 347735ec92eb by Richard Oudkerk in branch 'default': #12098: Make multiprocessing's child processes inherit sys.flags on Windows http://hg.python.org/cpython/rev/347735ec92eb -- nosy: +python-dev ___ Pyt

[issue12098] Child process running as debug on Windows

Antoine Pitrou added the comment: > Failure to build _multiprocessing will mean that multiprocessing cannot > be imported. So if the function goes somewhere in multiprocessing then > it makes running the test suite with multiple processes dependent on the > building of _multiprocessing. Not

[issue12098] Child process running as debug on Windows

Richard Oudkerk added the comment: > - the function generating the flags should be exported (with a private > name), so that it can be reused by Lib/test/[test_]support.py. Duplicate > code is error-prone, especially when enumerating command-line flags, > attribute names... Failure to build

[issue12098] Child process running as debug on Windows

Changes by Antoine Pitrou : -- nosy: +sbt ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.or

[issue12098] Child process running as debug on Windows

Antoine Pitrou added the comment: Ok, thanks for the patches. Some further comments: - the function generating the flags should be exported (with a private name), so that it can be reused by Lib/test/[test_]support.py. Duplicate code is error-prone, especially when enumerating command-line fla

[issue12098] Child process running as debug on Windows

Sergey Mezentsev added the comment: I updated the patch. Added a test and remove arguments for frozen interpreter. -- ___ Python tracker ___

[issue12098] Child process running as debug on Windows

Changes by Sergey Mezentsev : Added file: http://bugs.python.org/file22042/Issue12098.branch-default.patch ___ Python tracker ___ ___ Python-b

[issue12098] Child process running as debug on Windows

Changes by Sergey Mezentsev : Added file: http://bugs.python.org/file22041/Issue12098.branch-2.6.patch ___ Python tracker ___ ___ Python-bugs-

[issue12098] Child process running as debug on Windows

Changes by Sergey Mezentsev : Removed file: http://bugs.python.org/file22022/Issue12098.branch-default.patch ___ Python tracker ___ ___ Python

[issue12098] Child process running as debug on Windows

Changes by Sergey Mezentsev : Removed file: http://bugs.python.org/file22021/Issue12098.branch-2.6.patch ___ Python tracker ___ ___ Python-bug

[issue12098] Child process running as debug on Windows

Antoine Pitrou added the comment: Thanks for the patches. One comment: I'm not sure a frozen interpreter can take regular Python flags. As for the test, you could run a function returning sys.flags from the child to the parent, and check that the returned value is equal to the parent's sys.fla

[issue12098] Child process running as debug on Windows

Changes by Sergey Mezentsev : Added file: http://bugs.python.org/file22022/Issue12098.branch-default.patch ___ Python tracker ___ ___ Python-b

[issue12098] Child process running as debug on Windows

Sergey Mezentsev added the comment: I create patch for Popen.get_command_line() ('2.6' and 'default' branches). I don't know how to write the test. The sys.flags structure are read only. -- keywords: +patch Added file: http://bugs.python.org/file22021/Issue12098.branch-2.6.patch _

[issue12098] Child process running as debug on Windows

Antoine Pitrou added the comment: We already have some logic for that: http://hg.python.org/cpython/file/default/Lib/test/support.py#l1398 -- nosy: +pitrou ___ Python tracker __

[issue12098] Child process running as debug on Windows

Changes by Amaury Forgeot d'Arc : -- nosy: +jnoller ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail

[issue12098] Child process running as debug on Windows

STINNER Victor added the comment: I think that the problem is in Popen.get_command_line() of multiprocessing.forking. There are other options changing Python behaviour: -b, -B, -E, -u, etc. -- ___ Python tracker

[issue12098] Child process running as debug on Windows

Amaury Forgeot d'Arc added the comment: This happens only on Windows, where multiprocessing has to spawn a new intepreter; the -O parameter is certainly omitted. Unix platforms fork() the current interpreter with all its state and don't have this issue. -- nosy: +amaury.forgeotdarc _

[issue12098] Child process running as debug on Windows

Changes by Antoine Pitrou : -- type: behavior -> feature request versions: +Python 3.3 -Python 2.6 ___ Python tracker ___ ___ Python-b

[issue12098] Child process running as debug on Windows

Changes by STINNER Victor : -- title: Child process running as debug -> Child process running as debug on Windows ___ Python tracker ___