python-装饰器.py

import time
import functools


def timer(timer_id):
    def decorator(func):
        @functools.wraps(func)
        def wrapper(*args, **kw):
            print('%s %s():' % (timer_id, func.__name__))
            start_time = time.time()
            result = func(*args, **kw)
            end_time = time.time()
            spent_time = end_time - start_time
            # 记录时间
            print(timer_id, 'spend', spent_time)
            return result

        return wrapper

    return decorator


class A():
    @timer('metric.timer.aau.receive.image')
    def do(self):
        time.sleep(1)


if __name__ == '__main__':
    a = A()
    a.do()
    
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def feature(*ids):
    def feature_wrapper(f):
        def wrapper(*args, **kwargs):
            f(*args, **kwargs)
        return wrapper
    return feature_wrapper