本文实例讲述了Python实现监控程序执行时间并将其写入日志的方法。分享给大家供大家参考。具体实现方法如下:
# /usr/bin/python # -*- coding:utf-8 -*- from time import time def logged(when): def log(f,*args,**kargs): print \'\'\' called: functions:%s args: %r kargs: %r \'\'\' % (f,args,kargs) def pre_logged(f): def wrapper(*args,**kargs): log(f,*args,**kargs) return f(*args,**kargs) return wrapper def post_logged(f): def wrapper(*args,**kargs): now = time() try: return f(*args,**kargs) finally: log(f,*args,**kargs) print \"time delta:%s\" % (time()-now) return wrapper try: return {\"pre\":pre_logged,\"post\":post_logged}[when] except KeyError,e: raise ValueError(e),\'must be \"pre\" or \"post\"\' @logged(\"post\") def hello(name): print \"hello,\",name hello(\"world!\") \'\'\' 等同于: hello = logged(\"post\")(hello(\"world!\")) \'\'\'
希望本文所述对大家的Python程序设计有所帮助。