日志 直接拿去用

#!/usr/bin/env python3
# -*- encoding: utf-8 -*-

# here put the import lib

import logging
import sys
from os import makedirs
from os.path import dirname, exists

# from cmreslogging.handlers import CMRESHandler

loggers = {}

LOG_ENABLED = True  # 是否开启日志
LOG_TO_CONSOLE = True  # 是否输出到控制台
LOG_TO_FILE = True  # 是否输出到文件
LOG_TO_ES = False  # 是否输出到 Elasticsearch

LOG_PATH = './log/logger.log'  # 日志文件路径
LOG_LEVEL = 'INFO'  # 日志级别
# LOG_VERBOSE = '%(levelname)s %(asctime)s %(module)s %(lineno)d %(message)s'  # 每条日志输出格式
LOG_VERBOSE = '%(asctime)s %(filename)s %(module)s %(funcName)s line:%(lineno)d %(message)s'
LOG_SIMPLE = '%(asctime)s %(filename)s %(module)s %(funcName)s line:%(lineno)d %(message)s'
# ELASTIC_SEARCH_HOST = '192.168.1.215'  # Elasticsearch Host
# ELASTIC_SEARCH_PORT = 9200  # Elasticsearch Port
# ELASTIC_SEARCH_INDEX = 'salt'  # Elasticsearch Index Name
# APP_ENVIRONMENT = 'dev'  # 运行环境，如测试环境还是生产环境


def get_logger(name=None):
    """
    get logger by name
    :param name: name of logger
    :return: logger
    """
    global loggers

    if not name: name = __name__

    if loggers.get(name):
        return loggers.get(name)

    logger = logging.getLogger(name)
    logger.setLevel(LOG_LEVEL)

    # 输出到控制台
    if LOG_ENABLED and LOG_TO_CONSOLE:
        stream_handler = logging.StreamHandler(sys.stdout)
        stream_handler.setLevel(level=LOG_LEVEL)
        formatter = logging.Formatter(LOG_SIMPLE)
        stream_handler.setFormatter(formatter)
        logger.addHandler(stream_handler)

    # 输出到文件
    if LOG_ENABLED and LOG_TO_FILE:
        # 如果路径不存在，创建日志文件文件夹
        log_dir = dirname(LOG_PATH)
        if not exists(log_dir): makedirs(log_dir)
        # 添加 FileHandler
        file_handler = logging.FileHandler(LOG_PATH, encoding='utf-8')
        file_handler.setLevel(level=LOG_LEVEL)
        formatter = logging.Formatter(LOG_VERBOSE)
        file_handler.setFormatter(formatter)
        logger.addHandler(file_handler)

    # 输出到 Elasticsearch
    # if LOG_ENABLED and LOG_TO_ES:
    #     # 添加 CMRESHandler
    #     es_handler = CMRESHandler(hosts=[{'host': ELASTIC_SEARCH_HOST, 'port': ELASTIC_SEARCH_PORT}],
    #                               # 可以配置对应的认证权限
    #                               auth_type=CMRESHandler.AuthType.NO_AUTH,
    #                               es_index_name=ELASTIC_SEARCH_INDEX,
    #                               # 一个月分一个 Index
    #                               index_name_frequency=CMRESHandler.IndexNameFrequency.MONTHLY,
    #                               # 额外增加环境标识
    #                               es_additional_fields={'environment': APP_ENVIRONMENT}
    #                               )
    #     es_handler.setLevel(level=LOG_LEVEL)
    #     formatter = logging.Formatter(LOG_VERBOSE)
    #     es_handler.setFormatter(formatter)
    #     logger.addHandler(es_handler)

    # 保存到全局 loggers
    loggers[name] = logger
    return logger

logger = get_logger()

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