Peter Otten 写道： > Johnny Lee wrote: > > > Class A: > > def __init__(self): > > self.member = 1 > > > > def getMember(self): > > return self.member > > > > a = A() > > > > So, is there any difference between a.member and a.getMember? thanks > > for your help. :) > > Yes. accessor methods for simple attributes are a Javaism that should be > avoided in Python. You can always turn an attribute into a property if the > need arises to do some calculations behind the scene > > >>> class A(object): > ... def getMember(self): > ... return self.a * self.b > ... member = property(getMember) > ... def __init__(self): > ... self.a = self.b = 42 > ... > >>> A().member > 1764 > > I. e. you are not trapped once you expose a simple attribute. > > Peter
Thanks for your help, maybe I should learn how to turn an attibute into a property first. -- http://mail.python.org/mailman/listinfo/python-list
