python 装饰器

装饰器：https://www.zhihu.com/question/26930016

装饰器：https://www.zhihu.com/question/26930016 有位知友讲解的很详细很清楚。

有位知友讲解的很清楚，容易理解。

from t

@gen.coroutine

def outer_coroutine():

before = time.time()

coroutines = [get_url(url) for url in [ 'URL1', 'URL2', 'URL3']]

result = yield coroutines

after = time.time()

print(result)

print( 'total time: {} seconds'.format(after - before))

if __name__ == '__main__':

IOLoop.current().run_sync(outer_coroutine)