Python 解析配置模块之ConfigParser详解

[sec_a] a_key1 = 20 a_key2 = 10 [sec_b] b_key1 = 121 b_key2 = b_value2 b_key3 = $r b_key4 = 127.0.0.1

import ConfigParser cf = ConfigParser.ConfigParser() #read config cf.read("test.conf") # return all section secs = cf.sections() print 'sections:', secs opts = cf.options("sec_a") print 'options:', opts kvs = cf.items("sec_a") print 'sec_a:', kvs #read by type str_val = cf.get("sec_a", "a_key1") int_val = cf.getint("sec_a", "a_key2") print "value for sec_a's a_key1:", str_val print "value for sec_a's a_key2:", int_val #write config #update value cf.set("sec_b", "b_key3", "new-$r") #set a new value cf.set("sec_b", "b_newkey", "new-value") #create a new section cf.add_section('a_new_section') cf.set('a_new_section', 'new_key', 'new_value') #write back to configure file cf.write(open("test.conf", "w"))

sections: ['sec_b', 'sec_a'] options: ['a_key1', 'a_key2'] sec_a: [('a_key1', "i'm value"), ('a_key2', '22')] value for sec_a's a_key1: i'm value value for sec_a's a_key2: 22

[sec_b] b_newkey = new-value b_key4 = 127.0.0.1 b_key1 = 121 b_key2 = b_value2 b_key3 = new-$r [sec_a] a_key1 = i'm value a_key2 = 22 [a_new_section] new_key = new_value

[portal] url = http://%(host)s:%(port)s/Portal host = localhost port = 8080

import ConfigParser cf = ConfigParser.RawConfigParser() print "use RawConfigParser() read" cf.read("test2.conf") print cf.get("portal", "url") print "use RawConfigParser() write" cf.set("portal", "url2", "%(host)s:%(port)s") print cf.get("portal", "url2")

use RawConfigParser() read http://%(host)s:%(port)s/Portal use RawConfigParser() write %(host)s:%(port)s

import ConfigParser cf = ConfigParser.ConfigParser() print "use ConfigParser() read" cf.read("test2.conf") print cf.get("portal", "url") print "use ConfigParser() write" cf.set("portal", "url2", "%(host)s:%(port)s") print cf.get("portal", "url2")

use ConfigParser() read http://localhost:8080/Portal use ConfigParser() write localhost:8080

import ConfigParser cf = ConfigParser.SafeConfigParser() print "use SafeConfigParser() read" cf.read("test2.conf") print cf.get("portal", "url") print "use SateConfigParser() write" cf.set("portal", "url2", "%(host)s:%(port)s") print cf.get("portal", "url2")

use SafeConfigParser() read http://localhost:8080/Portal use SateConfigParser() write localhost:8080