that's a good idea. Thanks!
On Mon, Oct 5, 2009 at 4:18 PM, MRAB <pyt...@mrabarnett.plus.com> wrote: > Chris Colbert wrote: >> >> because when i import this module, the classes will already be >> determined by the intitial flag setting. >> >> i.e. >> SIMULATION = False >> >> class SimController(object): >> def foo(self): >> print 'bar' >> >> class RealController(object): >> def foo(self): >> print 'baz' >> >> if SIMULATION: >> SuperKlass = SimController >> else: >> SuperKlass = RealController >> >> class Controller(SuperKlass): >> pass >> >> >> >> >> >> In [2]: import testcontroller >> >> In [3]: testcontroller.SIMULATION >> Out[3]: False >> >> In [4]: c = testcontroller.Controller() >> >> In [5]: c.foo() >> baz >> >> In [6]: testcontroller.SIMULATION = True >> >> In [7]: c = testcontroller.Controller() >> >> In [8]: c.foo() >> baz >> > [snip] > You could put the Controller class inside a factory function: > > def Controller(): > if SIMULATION: > SuperKlass = SimController > else: > SuperKlass = RealController > class Controller(SuperKlass): > pass > return Controller() > -- > http://mail.python.org/mailman/listinfo/python-list > -- http://mail.python.org/mailman/listinfo/python-list
