OK, bad example. But assume I have the same method in both classes and want to call the method in the parent.
On Tue, May 12, 2009 at 10:26, Jeremiah Dodds <jeremiah.do...@gmail.com> wrote: > > > On Tue, May 12, 2009 at 9:05 AM, The Green Tea Leaf > <thegreenteal...@gmail.com> wrote: >> >> Hi, >> I've started to learn Python and I'm a bit confused over how to call a >> method in a parent class. Assume I have: >> >> class Parent(object): >> def somemethod( self, bla ): >> print 'Parent',bla >> >> I then create a child class that want to call somemethod. As I >> understand it I can either do it like this >> >> class Child(Parent): >> def somemethod( self, bla ): >> Parent.somemethod(self,bla) >> >> or like this >> >> class Child(Parent): >> def somemethod( self, bla ): >> super(Child,self).somemethod(bla) >> >> The first version seem to have the obvious disadvantage that I need to >> know the name of the parent class when I write the call, so I thought >> that the second version was the "proper" way of doing it. But when >> doing some research on the web it seem like the second version also >> have some problems. >> >> My question is simple: what is the "best" way of doing this and why? >> Or should I mix both these approaches? >> >> -- > > Assuming you don't have the same method in Child, just use self.somemethod: > > > In [2]: class Parent(object): > ...: def foo(self): > ...: print "in parent foo" > ...: > > In [3]: class Child(Parent): > ...: pass > ...: > > In [4]: x = Child() > > In [5]: x.foo > Out[5]: <bound method Child.foo of <__main__.Child object at 0x999252c>> > > In [6]: x.foo() > in parent foo > > In [7]: class Child(Parent): > ...: def bar(self): > ...: self.foo() > ...: print "in child bar" > ...: > > In [8]: x = Child() > > In [9]: x.bar() > in parent foo > in child bar > > > > _______________________________________________ > Tutor maillist - tu...@python.org > http://mail.python.org/mailman/listinfo/tutor > > -- The Green Tea Leaf thegreenteal...@gmail.com thegreentealeaf.blogspot.com _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
