[issue13220] print function unable while multiprocessing.Process is being run

2011-10-19 Thread ben
New submission from ben : print function unable while multiprocessing.Process is being run Not sure if this really is a bug, but the multiprocessing.Process (or Pool) does not allow to print during multiprocessing tasks. I've copied the example from The Python V3.2.2 documentation, library re

[issue13220] print function unable while multiprocessing.Process is being run

2011-10-19 Thread Ezio Melotti
Changes by Ezio Melotti : -- nosy: +jnoller stage: -> test needed ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscrib

[issue13220] print function unable while multiprocessing.Process is being run

2011-10-21 Thread Terry J. Reedy
Terry J. Reedy added the comment: Try running without IDLE (double click, right-click run, Command Prompt window, or paste into interpreter window). IDLE runs code in a subprocess with stdout directed back to the IDLE process, so it occasionally affects otherwise legal and correct Python code

[issue13220] print function unable while multiprocessing.Process is being run

2011-10-25 Thread ben
ben added the comment: Thanks Terry, That does solve the problem, so the bug is really with IDLE (I got a previous Issue (12967) reported which also was connected to the stdout). I changed the component to IDLE as the lib. is working as it should do. -- components: +IDLE -Library (Li

[issue13220] print function unable while multiprocessing.Process is being run

2011-10-25 Thread Terry J. Reedy
Terry J. Reedy added the comment: This may be a 'cannot fix' issue due to the way Windows connects the output and input streams of various processes. It would be helpful to know if *nix has the same difference of behavior between interpreter and IDLE shell. Otherwise some experiments are need

[issue13220] print function unable while multiprocessing.Process is being run

2012-10-16 Thread Serhiy Storchaka
Serhiy Storchaka added the comment: *nix has the same difference of behavior between interpreter and IDLE shell. With issue9290 patch the "function f" line also printed. And then the script hangs. -- nosy: +serhiy.storchaka versions: +Python 2.7, Python 3.3, Python 3.4 ___