Python 之ConfigParser

来源：互联网发布：nginx发布多个网站编辑：程序博客网时间：2024/05/21 22:24

http://blog.csdn.net/sding/article/details/5189225

转载自：http://hi.baidu.com/myitlyj/blog/item/25586bd7088ba3dba044df6b.html  在程序中使用配置文件来灵活的配置一些参数是一件很常见的事情，配置文件的解析并不复杂，在python里更是如此，在官方发布的库中就包含有做这件事情的库，那就是ConfigParser，这里简单的做一些介绍。      ConfigParser解析的配置文件的格式比较象ini的配置文件格式，就是文件中由多个section构成，每个section下又有多个配置项，比如：  [db]  db_host=127.0.0.1  db_port=3306  db_user=root  db_pass=password  [concurrent]  thread=10  processor=20      假设上面的配置文件的名字为test.conf。里面包含两个section,一个是db, 另一个是concurrent, db里面还包含有4项，concurrent里面有两项。这里来做做解析：  #-*- 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"))

输出：

section: ['db', 'concurrent']
options: ['db_host', 'db_port', 'db_user', 'db_pass']
db: [('db_host', '127.0.0.1'), ('db_port', '3306'), ('db_user', 'root'), ('db_pass', 'password')]
------------------------------------------------------------
db_host: 127.0.0.1
db_port: 3306
db_user: root
db_pass: password
thread: 10
processor: 20

0 0