python模块学习configparser模块

1.安装模块包

pip instal configparser

2.configparser代码

#!/usr/bin/env python# _*_ coding:utf-8 _*_import configparserimport osconfig=configparser.ConfigParser()path_conf=os.path.split(os.path.realpath(__file__))[0]+'/database.conf'config.read(path_conf,encoding='utf8')# sections 段信息；print(config.sections()) #['database']#获取sectons的keys&valuesprint(config.items('database')) #[('dbhost', '127.0.0.1'), ('dbport', '3366'), ('dbname', 'test'), ('dbuser', 'test'), ('dbpassword', 'test'), ('dbcharset', 'utf8')]#获取指定section的ksysprint(config.options('database')) #['dbhost', 'dbport', 'dbname', 'dbuser', 'dbpassword', 'dbcharset']# for option in config.options('database'):#     print(option)#获取key的valueprint(config['database']['dbhost']) #127.0.0.1print(config.get('database','dbhost')) #127.0.0.1print(config.getint('database','dbport')) #数据类型是整数 3306##检查是否存在；print('database' in config) #Trueprint('databases' in config) #False##检查value值是否存在；print('3366' in config.get('database','dbport'))print('test' in config.get('database','dbname'))#添加config.add_section('sections_2')config.set('sections_1','ksey_12','value_12')#删除#删除key12值config.remove_option('sections_1','ksey_12')#删除sections值config.remove_section('sections_2')#删除default以外；config.clear()config.write(open(path_conf,'w'))#关于DEFAULT补充##删除keys;config.remove_option('DEFAULT', 'dbname')##添加config.set('DEFAULT','dbname','test1')config.write(open(path_conf,'w'))#检查print('test1' in config.get('DEFAULT','dbname'))