atleta wrote: > Hi, > > I'm working with a callback API (a DBus one) and I'd need to store > some state between the calls somewhere. I know that it's possible to > extend an object with fields after creation, so I could just store my > data in the session object that is passed in with every callback. > However it stinks from OO perspective, at least to me. The other > option, something that I'd do in java for example, would be to set up > a mapping (a dict) using the session object as a key. Which one is the > 'pythonic' way? Do you use the first method (modifying an object that > you don't even control the source of) or do you write a bit more code > and go with the second one? > Or there's a third option. Write a class that implements a __call__() method, and use an instance of that class as your callback. Then the data can be stored as the callback object's private instance data.
regards Steve -- Steve Holden +1 571 484 6266 +1 800 494 3119 Holden Web LLC http://www.holdenweb.com/ -- http://mail.python.org/mailman/listinfo/python-list