1 import configparser 2  3  4 """ 5 sections() 返回所有的section 6 has_section(section) 判断是否有指定的section 7 has_option(section, option) 判断是否有指定的section中的option 8 options(section) 返回指定section中的所有option的列表 9 read(filenames, encoding=None) 给定文件名，读配置文件10 read_file(f, filename=None) 给定文件描述符，读配置文件11 read_string(string) 从字符串中读取配置文件12 read_dict(dictionary) 从字典中读取配置文件13 get(section, option, raw=False, vars=None, fallback=_UNSET) 读取指定的sention中的option内容，string14 getint(section, options, raw=False, vars=None, fallback=_UNSET) 同get，结果转int15 getfloat(section, options, raw=False, vars=None, fallback=_UNSET) 同get，结果转float16 getboolean(section, options, raw=False, vars=None, fallback=_UNSET) 同get，结果转bool17 items(section=_UNSET, raw=False, vars=None) 给section返回(name, value)，否则(section_name, section_proxy)18 remove_section(section) 删除section19 remove_option(section, option) 删除指定section的option20 set(section, option, value) 设置option21 write(fp, space_around_delimiters=True) 写配置文件22 """23 24 25 def write_config(filename):26     config = configparser.ConfigParser()27     # set db28     section_name = 'db'29     config.add_section(section_name)30     config.set(section_name, 'dbname', 'MySQL')31     config.set(section_name, 'host', '127.0.0.1')32     config.set(section_name, 'port', '80')33     config.set(section_name, 'password', '123456')34     config.set(section_name, 'databasename', 'test')35 36     # set app37     section_name = 'app'38     config.add_section(section_name)39     config.set(section_name, 'loggerapp', '192.168.20.2')40     config.set(section_name, 'reportapp', '192.168.20.3')41 42     # write to file43     with open(filename, 'a') as fd:44         config.write(fd)45 46 47 def update_config(filename, section, **kwargs):48     config = configparser.ConfigParser()49     config.read(filename)50     # print(config.sections())51     for section in config.sections():52         print("[", section, "]")53         items = config.items(section)54         for item in items:55             print("\t", item[0], " = ", item[1])56     if config.has_option("db", "dbname"):57         config.set("db", "dbname", "11")58         print("...............")59     for key in kwargs:60         print("\t", key, " = ", kwargs[key])61         if config.has_option(section, key):62             config.set(section, key, kwargs[key])63             print("...............")64 65     with open(filename, 'r+') as fd:66         config.write(fd)67 68 69 if __name__ == '__main__':70     file_name = 'test.conf'71     write_config(file_name)72     update_config(file_name, 'app', reportapp='192.168.100.100')