On Wed, Jan 14, 2009 at 12:15 AM, Krishnakant <krm...@gmail.com> wrote: > Hi, > So should I not use getattr()? > If I have one class in one module, then should I use global? > I found getattr() very easy to use, my only dowbt is that if there is > going to be one class per module then will it be a good idea? > some thing like module, class_name > happy hacking. > Krishnakantt.
Aside from Steven's excellent idea, to use the getattr() technique with your module scheme you'd probably also need to use __import__() to dynamically import the right module. Also, don't top-post. It makes following the conversation harder for readers. Cheers, Chris -- Follow the path of the Iguana... http://rebertia.com > On Tue, 2009-01-13 at 23:55 -0800, Chris Rebert wrote: > >> On Tue, Jan 13, 2009 at 11:49 PM, Krishnakant <krm...@gmail.com> wrote: >> > On Tue, 2009-01-13 at 21:51 -0800, Chris Rebert wrote: >> >> Assuming all the classes are in the same module as the main program: >> >> >> >> instance = vars()[class_name](args, to, init) >> >> >> > The classes are not in the same module. >> > Every glade window is coupled with one py file (module) containing one >> > class that has the events for the glade file. >> > Inshort, there is one class in one module and they are all seperate. >> >> Assuming the classes are all in the same module "mod", which is >> >> separate from the main program: >> >> >> >> instance = getattr(mod, class_name)(args, to, init) >> >> >> > Can you explain the difference between getattr and var()? >> >> getattr(x, 'y') <==> x.y >> >> vars() gives a dict representing the current accessible variable >> bindings (I should have instead recommended the related globals() >> function) >> globals() gives a dict representing the global variable bindings >> For example: >> #foo.py >> class Foo(object): >> #code here >> >> Foo() >> #same as >> globals()['Foo']() >> #end of file >> >> Cheers, >> Chris >> -- http://mail.python.org/mailman/listinfo/python-list
