python decorators

deco.py

# -*- coding: utf-8 -*-


def decorator_without_params(fn):
  def wrapper(*args, **kwargs):
    fn_result = fn(*args, **kwargs)
    return '%s from decorator without params' % fn_result
  return wrapper


def decorator_with_params(name):
  def decorator(fn):
    def wrapper(*args, **kwargs):
      fn_result = fn(*args, **kwargs)
      return '%s from decorator with param: %s' % (fn_result, name)
    return wrapper
  return decorator


@decorator_without_params
def func(ctx):
  return 'hello %s' % ctx


@decorator_with_params('a')
def func1(ctx):
  return 'hello %s' % ctx


if __name__ == '__main__':
  print func('world')
  print func1('world')