Hi there,
Python has no built-in way of doing this. You may consider writing
your own class if you like this pattern (I personally do):
class Event(object):
def __init__(self):
self.subscribers = set()
def __iadd__(self, subscriber):
self.subscribers.add(subscriber)
return self
def __isub__(self, subscriber):
self.subscribers.pop(subscriber)
return self
def __call__(self, *args, **kwargs):
for subscriber in self.subscribers:
subscriber(*args, **kwargs)
def HandleFoo(strng):
print "HandleFoo:", strng
OnFoo = Event()
OnFoo += HandleFoo
OnFoo("Test.")
On 29/07/07, Gianmaria <[EMAIL PROTECTED]> wrote:
> Hi,
> i'm a .net programmer and i'm learnig python, so this question can be very
> stupid or easy for python programmers. I've a doubt about events.... here is
> what:
>
> in c# for example i can write a delegate and an event in this way...
>
> public delegate SomethingChangedHandler(string message);
> public event SomethingChangedHandler SomethingChanged;
>
> and later in the code fire this event in this way...
>
> if(SomethingChanged != null)
> {
> SomethingChanged("Nothing important");
> }
>
> and the subscription of this event of other objects can be easy as
>
> eventGeneratorObject.SomethingChanged += new
> SomethingChangedHandler(aFunctionto_takecareof_it);
>
> and even the handlig of the event is aesy...
>
> void aFunctionto_takecareof_it(string msg)
> {
>
> }
>
>
> ....now the question is.. how can i do the same using Python? Every help is
> appreciated
>
>
>
>
>
> Regards,
> Gianmaria
>
> --
> http://mail.python.org/mailman/listinfo/python-list
>
--
http://mail.python.org/mailman/listinfo/python-list
