class Logger(object):

    def __init__(self, obj):
        self.obj = obj

    def __getattr__(self, name):
        print 'get: %s.%s' % (self.obj, name)
        return getattr(self.obj, name)

    def __setattr__(self, name, value):
        if name == 'obj':
            object.__setattr__(self, name, value)
        else:
            print 'set: %s.%s = %s' % (self.obj, name, value)
            setattr(self.obj, name, value)