generators shared among threads

[Just]

In article <440eb5ad_2 at newspeer2.tds.net>,
 Kent Johnson <kent at kentsjohnson.com> wrote:

> Paul Rubin wrote:
> > Hmm (untested, like above):
> > 
> >     class Synchronized:
> >        def __init__(self, generator):
> >           self.gen = generator
> >           self.lock = threading.Lock()
> >        def next(self):
> >           self.lock.acquire()
> >           try:
> >              yield self.gen.next()
> >           finally:
> >              self.lock.release()
> > 
> >     synchronized_counter = Synchronized(itertools.count())
> > 
> > That isn't a general solution but can be convenient (if I didn't mess
> > it up).  Maybe there's a more general recipe somewhere.
> 
> This code is not allowed in Python 2.4. From PEP 255:
[ snip ]

The code also doesn't make sense: .next() should *return* a value, not 
yield one. Substituting "return" for "yield" might just work for the 
code above.

Just