Re: Is defaultdict thread safe?

2010-01-25 Thread Stefan Behnel
Frank Millman, 25.01.2010 09:59: > Is defaultdict thread safe? > > Assume I have - > > from collections import defaultdict > my_dict = defaultdict(list) > > If two threads call "my_dict['abc'].append(...)" simultaneously, is it > guaranteed that my_dict['abc'] will end up containing two

Re: Is defaultdict thread safe?

2010-01-25 Thread Frank Millman
On Jan 25, 11:26 am, Raymond Hettinger wrote: On Jan 25, 12:59 am, "Frank Millman" wrote: > Hi all > Is defaultdict thread safe? Sometimes. It depends on whether an operation has callbacks to pure Python. > Assume I have - > from collections import defaultdict > my_dict = defaultd

Re: Is defaultdict thread safe?

2010-01-25 Thread Raymond Hettinger
On Jan 25, 12:59 am, "Frank Millman" wrote: > Hi all > > Is defaultdict thread safe? Sometimes. It depends on whether an operation has callbacks to pure Python. > Assume I have - > >     from collections import defaultdict >     my_dict = defaultdict(list) > > If two threads call "my_dict['abc