python操作cfg配置文件方式

# -* - coding: UTF-8 -* -
import os
import ConfigParser
 
CONFIG_FILE = "Config.cfg"
 
host = "127.0.0.1"
 
port = "5432"
 
name = "DATABASE_NAME"
 
username = "postgres"
 
password = "postgres"
 
if __name__ == "__main__":
 
   conf = ConfigParser.ConfigParser()
 
   cfgfile = open(CONFIG_FILE,'w')
 
   conf.add_section("DB_Config") # 在配置文件中增加一个段
 
   # 第一个参数是段名，第二个参数是选项名，第三个参数是选项对应的值
 
   conf.set("DB_Config", "DATABASE_HOST", host) 
 
   conf.set("DB_Config", "DATABASE_PORT", port)
 
   conf.set("DB_Config", "DATABASE_NAME", name)
 
   conf.set("DB_Config", "DATABASE_USERNAME", username)
 
   conf.set("DB_Config", "DATABASE_PASSWORD", password)
 
   conf.add_section("FL_Config")
 
   # 将conf对象中的数据写入到文件中
 
   conf.write(cfgfile)
 
   cfgfile.close()

[DB_Config]

database_host = 127.0.0.1

database_port = 5432

database_name = DATABASE_NAME

database_username = postgres

database_password = postgres


[FL_Config]

# -* - coding: UTF-8 -* -
 
import os
 
import ConfigParser
 
CONFIG_FILE = "Config.cfg"
 
def main():
 
   if os.path.exists( os.path.join( os.getcwd(),CONFIG_FILE ) ):
 
     config = ConfigParser.ConfigParser()
 
     config.read(CONFIG_FILE)
 
     #第一个参数指定要读取的段名，第二个是要读取的选项名
 
     host = config.get("DB_Config", "DATABASE_HOST") 
 
     port = config.get("DB_Config", "DATABASE_PORT")
 
     name = config.get("DB_Config", "DATABASE_NAME")
 
     username = config.get("DB_Config", "DATABASE_USERNAME")
 
     password = config.get("DB_Config", "DATABASE_PASSWORD")
 
     print host, port, name, username, password
 
if __name__ == '__main__':
 
   main()