import multiprocessing
import uuid

def get_uuid( a ):
    ## Doesn't help to cycle through a bunch.
    #for i in xrange(10): uuid.uuid4()
    
    ## Doesn't help to reload the module.
    #reload( uuid )
    
    ## Doesn't help to load it at the last minute.
    ## (I simultaneously comment out the module-level import).
    #import uuid
    
    ## uuid1() does work, but it differs only in the first 8 characters and includes identifying information about the computer.
    #return uuid.uuid1()
    
    ## This works; it is exactly what the uuid module does in the absence of a platform uuid_generate_random().
    #import os
    #return uuid.UUID( bytes = os.urandom(16), version = 4 )
    
    ## This also works; it causes the uuid module not to use the platform's uuid_generate_random().
    #uuid._uuid_generate_random = None
    
    return uuid.uuid4()

def main():
    pool = multiprocessing.Pool( 20 )
    uuids = pool.map( get_uuid, range( 20 ) )
    for id in uuids: print id

if __name__ == '__main__': main()