Oh! Thanx! Great! this is what i was looking for! :) Scott David Daniels ha escrito:
> Pablo wrote: > > > Second solution: This is what i want, but... > > > > class Base(object): > > def __init__(self, attr): > > self._attr = attr > > def getattr(self): > > return self._attr > > attr = property(fget=lambda self: self.getattr()) > > > > class Derived(Base): > > def getattr(self): > > return 2*self._attr > > > > Question: Isn't there an *alternative* way to do it without the lambda > > function? > > > > Thanks in advance! > > Simplest: > > class Base(object): > def __init__(self, attr): > self._attr = attr > def getattr(self): > return self._attr > @property # single-arg property is a read-only thing. > def attr(self): > return self.getattr() > > ### Little longer; maybe more explicit (tastes vary): > > class Base(object): > def __init__(self, attr): > self._attr = attr > def getattr(self): > return self._attr > def attr(self): > return self.getattr() > attr = property(fget=attr) > > > --Scott David Daniels > [EMAIL PROTECTED] -- http://mail.python.org/mailman/listinfo/python-list
