setting a property via self.__dict__
pyth at devel.trillke.net
Wed Oct 30 22:02:11 CET 2002
Frank von Delft wrote:
> Duncan Booth <duncan at rcp.co.uk> wrote in message news:<Xns92B75C6BDF4Eduncanrcpcouk at rcp.co.uk>...
> > The property is an entry in the class's dictionary, not in the instance.
> Um... after some mulling: so what is the advantage of having the
> property in the class dictionary? Because I realised it's quite happy
> in the instance dictionary, like such:
> >>> class A(object):
> def __init__(self,**kwargs):
> self.a = property(self._getA,self._setA)
> def _getA(self):
> return self._a
> def _setA(self,a):
> self._a = a
> Really I should ask: why do all the examples show it defined in the
> class dictionary?
because if you put it in the instance it exists only in the instance :-)
and if you put it in the class all instances will have it.
More information about the Python-list