That Apache runs as a multi process web server on UNIX may also be a contributor to why it wasn't working as you expected. Have a read of:
http://code.google.com/p/modwsgi/wiki/ProcessesAndThreading Graham 2009/7/9 aiden <[email protected]>: > > The cause turned out to be my misunderstanding: > > class SomeClass: > my_list = [] > def add_to_list(self, item): > self.my_list.append(item) > > def print_list(self): > for l in self.my_list: > # some action > > I didn't realize that the > > my_list=[] > > Would create a shared list instance between all instances of the > class ... Duh! As a result, threads were all appending to that > instance. > > On Jul 8, 12:44 pm, aiden <[email protected]> wrote: >> Hello! >> >> I am running into a problem with mod_wsgi. Variables are accumulating >> data across requests. A simple example might be: >> >> def print_list( sapi, list ): >> for item in list: >> sapi.write(item) >> >> In one request the list contains 5 items (as it should). In subsequent >> requests the list contains 5,10,15,20 items and so on. Even with `del >> the_list` at the end of each request. I am sure that no logic or state >> in the application itself is the culprit. >> >> Interestingly the list goes to 5,10,15,20,15,30,35 and then back to 5. >> If I turn KeepAlive off in Apache, I get different results. Simple >> test-cases do not reproduce the problem, only when the code gets >> sufficiently large does the problem occur, leading me to think that >> its cause is rather subtle. Has anyone else had experiences with data >> persisting/repeating across requests? >> >> Thank you in advance > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "modwsgi" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/modwsgi?hl=en -~----------~----~----~----~------~----~------~--~---
