Python decorators for class members

memdec.py

#!/usr/bin/env python

# Will print:
#   init method
#   decorator here
#   called with a message
#   12345
#   modern decorator here with decorator with a message
#   yabba with another message
#   54321

def mydecorator(f):
  # Decorator taking no arguments
  def fn(self, *x, **y):
    print "decorator here"
    return f(self, *x, **y)
  return fn

def mydecoratormsg(decmsg):
  # Decorator taking arguments
  def mydecorator(f):
    def fn(self, *x, **y):
      print "modern decorator here with %s" % decmsg
      return f(self, *x, **y)
    return fn
  return mydecorator

class MyClass(object):

  def __init__(self):
    print "init method"

  @mydecorator
  def callmemaybe(self, message):
    print "called with %s" % message
    return 12345

  @mydecoratormsg("decorator with a message")
  def callmeyabba(self, message):
    print "yabba with %s" % message
    return 54321

m = MyClass()
print m.callmemaybe("a message")
print m.callmeyabba("another message")