On Mon, 16 Mar 2009 20:11:18 -0700, thomas.han...@gmail.com wrote:
> Hi all,
>
> We've been breaking our heads over a good way of accomplishing an
> "on_load" event in our multitouch GUI frameowork PyMT. We think we'd
> like to trigger an "on_load" event after a class is fully instantiated
...
> Can I do something fancy with metaclasses here?
class MetaLoad(type):
def __new__(cls, name, bases, dict):
obj = type.__new__(cls, name, bases, dict)
return obj
def __call__(cls, *args, **kwargs):
instance = super(MetaLoad, cls).__call__(*args, **kwargs)
instance.on_load()
return instance
class Parrot(object):
__metaclass__ = MetaLoad
def __init__(self, colour='blue'):
print "I'm a Norwegian %s." % colour
def on_load(self):
print "Loaded"
--
Steven
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