PyNotifyPropertyChanged proposal

gistfile1.py

# Defining a class with a property
class Foo(object):
    def __init__(self):
        self._bar = 0

    @property
    def bar(self):
        return self._bar

    @bar.setter
    def bar(self, value):
        self._bar = value

###########################################################

# Same thing, but define the property externally
class Foo(object):
    def __init__(self):
        self._bar = 0

def fget(self):
    return self._bar

def fset(self, value):
    self._bar = value

setattr(Foo, 'bar', property(fget=fget, fset=fset))

###########################################################

# A class with property notifications
from PyNotifyPropertyChanged import INotifyPropertyChanged, OnPropertyChanged

@INotifyPropertyChanged
class Foo(object):
    def __init__(self):
        self._bar = 0

def fget(self):
    return self._bar

def fset(self, value):
    self._bar = value

setattr(Foo, 'bar', OnPropertyChanged(property(fget=fget, fset=fset)))