* Julien Le Goff <julien.leg...@gmail.com> [2013-02-06 08:28:24 -0800]:
> Hi everyone, > > Today I came accross a behaviour I did not expect in python (I am using 2.7). > In my program, random.random() always seemed to return the same number; it > turned out to be related to the fact that I was using os.fork. > > See below a small program that illustrates this. It is easily fixed, but I'm > interested in knowing why this happens. Can anybody give me a hint? Thanks! > > import random > import os > > for i in xrange(10): > pid = os.fork() > if pid == 0: > # uncommenting this fixes the problem > # random.seed(os.getpid()) > print random.random() > os._exit(0) > > os.wait() > -- > http://mail.python.org/mailman/listinfo/python-list If you look at the code of gunicorn, you can see than there is a random.seed() just after the fork syscall. Try with that. Regards, -- Stéphane Wirtel - http://wirtel.be - @matrixise -- http://mail.python.org/mailman/listinfo/python-list
