getattribute getattr

class D(object):
   
    def __init__(self):
        self.default = 0.0
        self.test = 20
        self.test2 = 21
       
    def __getattribute__(self, name):
        try:
            if name == "test":
                print ("__getattribute__ name = %s" % name)
                return self.test        #This will default call same function "__getattribute__", can fix by object
            else:
                print ("__getattribute__ name = %s" % name)
                return object.__getattribute__(self, name)
        except AttributeError:
            print "getattribute error"
            raise
       
    def __getattr__(self, name):
        print ("__getattr__ name = %s" % name)
        print ("self.default=%s" % self.default)
        return self.default
   
if __name__ == "__main__":
   
    d = D()
    #print d.test       #This will caused recurison error because it call the same function, your getattribute
    print d.test2
    print d.ts           #When "__getattribute__" raise error, it will call in "__getattr__".