def mydec(func, decor_param_a, decor_param_b):
      print 'decor_param_a = %s' % decor_param_a
      def wrapper(*args, **kwargs):
          print 'about to run function'
          res = func(*args, **kwargs)
          print 'done running function'
          return res

      return wrapper

  @mydecor('foo', 'bar')
  def baz():
      pass