gistfile1.txt

cdef inline void observable_list_dispatch(object self):
    cdef Property prop = self.prop
    obj = self.obj()
    if obj is not None:
        prop.dispatch(obj)


class ObservableList(list):
    # Internal class to observe changes inside a native python list.
    def __init__(self, *largs):
        self.prop = largs[0]
        self.obj = ref(largs[1])
        super(ObservableList, self).__init__(*largs[2:])

    def __setitem__(self, key, value):
        list.__setitem__(self, key, value)
        observable_list_dispatch(self)

    def __delitem__(self, key):
        list.__delitem__(self, key)
        observable_list_dispatch(self)

    def __setslice__(self, *largs):
        list.__setslice__(self, *largs)
        observable_list_dispatch(self)

    def __delslice__(self, *largs):
        list.__delslice__(self, *largs)
        observable_list_dispatch(self)

    def __iadd__(self, *largs):
        list.__iadd__(self, *largs)
        observable_list_dispatch(self)

    def __imul__(self, *largs):
        list.__imul__(self, *largs)
        observable_list_dispatch(self)

    def append(self, *largs):
        list.append(self, *largs)
        observable_list_dispatch(self)

    def remove(self, *largs):
        list.remove(self, *largs)
        observable_list_dispatch(self)

    def insert(self, *largs):
        list.insert(self, *largs)
        observable_list_dispatch(self)

    def pop(self, *largs):
        cdef object result = list.pop(self, *largs)
        observable_list_dispatch(self)
        return result

    def extend(self, *largs):
        list.extend(self, *largs)
        observable_list_dispatch(self)

    def sort(self, *largs):
        list.sort(self, *largs)
        observable_list_dispatch(self)

    def reverse(self, *largs):
        list.reverse(self, *largs)
        observable_list_dispatch(self)