ddtl a écrit : > On 7 Sep 2006 10:42:54 -0700, in comp.lang.python you wrote: > > >>Let's examine what the mro order is for class D: >> >>>>>D.mro() >> >>[<class '__main__.D'>, <class '__main__.B'>, <class '__main__.C'>, >><class '__mai >>n__.A'>, <type 'object'>] >> >>When you call d.met(), the call dispatches to the D.met() method. >>After printing out 'D.met', you use super() to get the next class in >>the mro order, and call that class's met method. >> >>As shown with the mro(), the class after D is B. So B.met() is called. >>Normally, we would be done. But take a look at B's method! >> >> >>>class B(A): >>> def met(self): >>> print 'B.met' >>> super(B,self).met() >> >>B.met calls super, and invokes the next met method! So, the code does >>exactly what you've asked it to do, and searches for the next class >>after B in the mro list: class C. > > > But when super(B,self).met() is invoked, isn't it supposed to look > at MRO order of *B*,
No. It's supposed to look at the MRO of self for what comes after B. -- http://mail.python.org/mailman/listinfo/python-list
