import logging
import time
import os


class Log(object):
    def __init__(self, _pathName):
        _pathName = _pathName + '-Log'
        cur_path = os.path.dirname(os.path.realpath(__file__))
        log_path = os.path.join(cur_path, _pathName)
        # 如果不存在这个logs文件夹，就自动创建一个
        if not os.path.exists(log_path): os.mkdir(log_path)
        # 文件的命名
        self.logname = os.path.join(log_path, '%s.log' % time.strftime('%Y_%m_%d'))
        self.logger = logging.getLogger()
        self.logger.setLevel(logging.DEBUG)
        # 日志输出格式
        self.formatter = logging.Formatter('[%(asctime)s]-%(levelname)s:%(message)s')

    def __console(self, level, message):
        # 创建一个FileHandler，用于写到本地
        fh = logging.FileHandler(self.logname, 'a', encoding='utf-8')  # 这个是python3的
        fh.setLevel(logging.DEBUG)
        fh.setFormatter(self.formatter)
        self.logger.addHandler(fh)

        # 创建一个StreamHandler,用于输出到控制台
        ch = logging.StreamHandler()
        ch.setLevel(logging.DEBUG)
        ch.setFormatter(self.formatter)
        self.logger.addHandler(ch)

        if level == 'info':
            self.logger.info(message)
        elif level == 'debug':
            self.logger.debug(message)
        elif level == 'warning':
            self.logger.warning(message)
        elif level == 'error':
            self.logger.error(message)
        # 这两行代码是为了避免日志输出重复问题
        self.logger.removeHandler(ch)
        self.logger.removeHandler(fh)
        # 关闭打开的文件
        fh.close()

    def debug(self, message):
        self.__console('debug', message)

    def info(self, message):
        self.__console('info', message)

    def warning(self, message):
        self.__console('warning', message)

    def error(self, message):
        self.__console('error', message)


if __name__ == "__main__":
    lo = Log('derviceName')
    lo.info('this is info message!')
    lo.debug('this is debug message!')
    lo.warning('this is warning message!')
    lo.error('this is error message!')