>>>>> Rainer Grimm <r.gr...@science-computing.de> (RG) a écrit:
>RG> Hallo Alan, >>> def apply2(itr, methodname, *args, **kwargs): >>> f = operator.methodcaller(methodname, *args, **kwargs) >>> for item in itr: >>> f(item) >RG> you can do it in a functional way. >>>>> class A(object): >RG> ... def hello(self): return "hello: " + str >RG> ( self.__class__.__name__ ) >RG> ... >>>>> class B(A):pass >RG> ... >>>>> class C(A):pass >RG> ... >>>>> a=A() >>>>> b=B() >>>>> c=C() >>>>> a.hello() >RG> 'hello: A' >>>>> b.hello() >RG> 'hello: B' >>>>> c.hello() >RG> 'hello: C' >>>>> >>>>> map( (lambda obj : getattr(obj,"hello")()),(a,b,c)) >RG> ['hello: A', 'hello: B', 'hello: C'] >>>>> [ getattr(obj,"hello")() for obj in (a,b,c)] >RG> ['hello: A', 'hello: B', 'hello: C'] But that creates an unnecessary list. -- Piet van Oostrum <p...@cs.uu.nl> URL: http://pietvanoostrum.com [PGP 8DAE142BE17999C4] Private email: p...@vanoostrum.org -- http://mail.python.org/mailman/listinfo/python-list
