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。