Ritesh Raj Sarraf wrote: > Hi, > > I have a class defined in a file called foo.py > > In bar.py I've imported foo.py > In bar.py's main function, I instantiate the class as follows: > > log = foo.log(x, y, z) > > Now in main I'm able to use log.view(), log.error() et cetera. > Correct. Because, having instantiated the class and retained a reference to the instance, the methods of the instance are available relative to the name containing the reference.
> But when I call the same method from some functions which are in > bar.py, it fails giving me the following error: > > NameError: global name 'log' is not defined > Well, that's preumbaly because your log = foo.log(x, y, z) statement was inside a function, and so the name "foo" was created in that function's local namespace rather than in the module's global namespace. > 1) I tried lookng into the docs but couldn't find anything on instance > scope. > 2) How is such situation tackled ? Will I have to instantiate in every > function ? > The best thing to do would be to pass the instance in as an argument to the functions that need to manipulate it. regards Steve -- Steve Holden +44 150 684 7255 +1 800 494 3119 Holden Web LLC/Ltd http://www.holdenweb.com Skype: holdenweb http://holdenweb.blogspot.com Recent Ramblings http://del.icio.us/steve.holden -- http://mail.python.org/mailman/listinfo/python-list
