python模块ConfigParser解析配置文件

#!/bin/python
#
#-*- encoding: gb2312 -*-
import ConfigParser
import string, os, sys

cf = ConfigParser.ConfigParser()
cf.read("test.conf")
# 返回所有的section
s = cf.sections()
print 'section:', s

o = cf.options("db")
print 'options:', o

v = cf.items("db")
print 'db:', v

print '-'*60
#可以按照类型读取出来
db_host = cf.get("db", "db_host")
db_port = cf.getint("db", "db_port")
db_user = cf.get("db", "db_user")
db_pass = cf.get("db", "db_pass")

# 返回的是整型的
threads = cf.getint("concurrent", "thread")
processors = cf.getint("concurrent", "processor")

print "db_host:", db_host
print "db_port:", db_port
print "db_user:", db_user
print "db_pass:", db_pass

print "thread:", threads
print "processor:", processors
#修改一个值，再写回去
cf.set("db", "db_pass", "zhaowei")
cf.write(open("test.conf", "w"))