本文實例講述了Python實現(xiàn)監(jiān)控程序執(zhí)行時間并將其寫入日志的方法。分享給大家供大家參考。具體實現(xiàn)方法如下：
# /usr/bin/python# -*- coding:utf-8 -*-from time import timedef 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,",namehello("world!")'''等同于： hello = logged("post")(hello("world!"))'''希望本文所述對大家的Python程序設(shè)計有所幫助。
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