day22 Python configparser模块
# 将配置信息写入文件 import configparser config = configparser.ConfigParser() config['default'] = { "version": "v1.124", "session_timeout": 60, "keepalived": 120, } config['test-db1'] = { "host": "192.168.1.1", "port": 1916, "username": "root", "password": "123456" } config['test-db2'] = { "host": "192.168.1.2", "port": 1916, "username": "root", "password": "123456" } config['test-db3'] = { "host": "192.168.1.3", "port": 1916, "username": "root", "password": "123456" } f = open("db.config",mode="w",encoding="utf-8") config.write(f) f.flush() f.close() # 从配置文件中读取信息 import configparser config = configparser.ConfigParser() config.read("db.config") print(config.sections()) # 获取所有的章节 ['default', 'test-db1', 'test-db2', 'test-db3'] print(config.get("default",'keepalived')) # 120 获取章节中的属性,默认所有章节都会继承default print(config['test-db1']['host']) # 192.168.1.1 for k,v in config['test-db1'].items(): # 遍历章节 print(k,v) # 增加,删除操作 config.set("test-db1","host","1.1.1.1") # 临时修改,写入文件才能生效 print(config['test-db1']['host']) # 1.1.1.1 # config.remove_section("test-db3") # 删除章节 # print(config['test-db3']) # KeyError: 'test-db3' config.remove_option("test-db3","host") # 删除属性 for k,v in config['test-db3'].items(): # 遍历章节 print(k,v) config.write(open("db.config",mode="w",encoding="utf-8")) # 写回配置文件