Method add_observer

tests_python/resources/_debugger_case1.py:15–19

(self, observer)

        self.observers = []
        
    def add_observer(self, observer):
        sys.stdout.write( 'observer %s\n' % (observer,))
        ref = weakref.ref(observer)
        self.observers.append(ref)
        sys.stdout.write('weakref: %s\n' % (ref(),))
        
    def Notify(self):
        for o in self.observers: