"David Wilson" <[EMAIL PROTECTED]> ha scritto nel messaggio news:[EMAIL PROTECTED] > 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 >>
Txs so much. Gianmaria -- http://mail.python.org/mailman/listinfo/python-list
