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- import os
- import getopt
- import sys
- import logging
- # 定义配置文件目录
- # linux
- config_path = '/etc/dnspod/ddnsrc'
- # windows
- if os.name == 'nt':
- config_path = 'ddnspod.cfg'
- # 配置属性,及其默认参数
- cfg = {}
- # dnspod 登录配置
- cfg["login_token"] = '' # 默认空参数,要求用户必填 格式 'token_id,token' # 登录token
- # ddns 基本配置
- cfg["sub_domain"] = '' # 默认空参数,要求用户必填 #格式 'www' # 子域名
- cfg["domain"] = '' # 默认空参数,要求用户必填 #格式 'domain.com' # 域名
- cfg["interval"] = '5' # 最小更新间隔
- cfg["record_id"] = '{auto}' # 记录id,程序自动生成
- cfg["current_ip"] = '{auto}' # 当前ip,程序自动生成
- cfg["email"] = '' # 默认空参数,要求用户必填 #格式 '[email protected]'
- # ip 池
- cfg["ip_count"] = '1' # 此域名拥有的ip数量,默认为 1 , OpenWrt 玩家可能会有多个IP
- cfg["ip_pool"] = '{auto}' # ip 池 ..,程序自动生成
- cfg["last_update_time"] = '{auto}' # 上次更新成功时间戳,程序自动生成
- def read_config():
- # 后面读出的数据会覆盖前面的
- read_config_from_file()
- read_config_from_env()
- read_config_from_argv()
- def print_help():
- max_key_len = max([len(key) for key in cfg.keys()])
- print("ddns.py [-h|...]")
- print("命令行方式调用,可用的参数如下:")
- for name in cfg.keys():
- print(' --%-' + str(max_key_len) + 's <value>' % name)
- print("配置优先级: 命令行 > 环境变量 > 配置文件")
- print("当前配置文件目录为:%s" % config_path)
- def read_config_from_file():
- try:
- with open(config_path, 'rU') as fp:
- for line in fp:
- pair = [x.strip() for x in line.split('=')]
- if pair[0] and pair[1]:
- cfg[pair[0].lower()] = pair[1]
- except:
- pass
- def read_config_from_env():
- for key in cfg:
- if os.getenv(key) is not None:
- cfg[key] = os.getenv(key)
- # 从命令行读取参数
- def read_config_from_argv():
- available_args = [x + "=" for x in cfg.keys()]
- try:
- opts, _ = getopt.getopt(sys.argv[1:], "h", available_args)
- for opt, arg in opts:
- if opt == '-h':
- print_help()
- sys.exit()
- if opt.startswith('--'):
- pair = [opt[2:], arg]
- if pair[0] and pair[1]:
- cfg[pair[0].lower()] = pair[1]
- except getopt.GetoptError:
- print_help()
- sys.exit(1)
- def save_config():
- try:
- save_config_to_env()
- save_config_to_file()
- except NotImplementedError as err:
- logging.error("FAILED to save config:" + str(err))
- # 不太清楚这个函数能干啥用 = = 写着玩。。。
- def save_config_to_env():
- for key in cfg:
- os.environ[key] = cfg[key]
- # 保存配置到文件… 这个函数现在会把配置文件里的注释也删掉……
- def save_config_to_file():
- max_key_len = max([len(key) for key in cfg.keys()])
- try:
- with open(config_path, "w+") as f:
- f.writelines([
- ('%-'+str(max_key_len)+'s=%s\n') % (key, cfg[key])
- for key in cfg.keys()
- ])
- except IOError as err:
- logging.error("FAILED to save config to file: " + str(err))
- # 检查配置是否齐全
- def check_config():
- if not (
- cfg['login_token'] and
- cfg['domain'] and
- cfg['sub_domain']):
- logging.fatal('config error: need login info')
- exit()
- try:
- if not(int(cfg["interval"])):
- logging.fatal('interval error')
- exit()
- if not(int(cfg["ip_count"])):
- logging.fatal('ip_count error')
- exit()
- except:
- logging.fatal('config error')
- exit()
- logging.info('config checked')
- if __name__ == '__main__':
- logging.basicConfig(level=logging.INFO,
- format='%(levelname)-8s: %(message)s')
- # 测试配置文件
- logging.info("init cfg: %s" % cfg)
- read_config()
- logging.info("read cfg: %s" % cfg)
- check_config()
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