# 参考：https://www.cnblogs.com/DI-DIAO/p/8793136.html
import logging
def get_logger():
logger = logging.getLogger(__name__)
fh = logging.FileHandler('./test.log')
# 再创建一个 handler，用于输出到控制台
ch = logging.StreamHandler()
# 创建一个 formatter，两个 handler 使用相同的日志格式
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
# 绑定 formatter 到 handler 上
fh.setFormatter(formatter)
ch.setFormatter(formatter)
# 绑定 handler 到 logger对象 上
logger.addHandler(fh) # logger对象可以添加多个fh和ch对象
logger.addHandler(ch)
logger.setLevel(logging.INFO)
return logger
#
BASE_LOG_DIR = os.path.join(BASE_DIR, "log")
LOGGING = {
'version': 1, # 保留字
'disable_existing_loggers': False, # 禁用已经存在的logger实例
# 日志文件的格式
'formatters': {
# 详细的日志格式
'standard': {
'format': '[%(asctime)s][%(threadName)s:%(thread)d][task_id:%(name)s][%(filename)s:%(lineno)d]'
'[%(levelname)s][%(message)s]'
},
# 简单的日志格式
'simple': {
'format': '[%(levelname)s][%(asctime)s][%(filename)s:%(lineno)d]%(message)s'
},
# 定义一个特殊的日志格式
'collect': {
'format': '%(message)s'
}
},
# 过滤器
'filters': {
'require_debug_true': {
'()': 'django.utils.log.RequireDebugTrue',
},
},
# 处理器
'handlers': {
# 在终端打印
'console': {
'level': 'DEBUG',
'filters': ['require_debug_true'], # 只有在Django debug为True时才在屏幕打印日志
'class': 'logging.StreamHandler', #
'formatter': 'simple'
},
# 默认的
'default': {
'level': 'INFO',
'class': 'logging.handlers.RotatingFileHandler', # 保存到文件，自动切
'filename': os.path.join(BASE_LOG_DIR, "xxx_info.log"), # 日志文件
'maxBytes': 1024 * 1024 * 50, # 日志大小 50M
'backupCount': 3, # 最多备份几个
'formatter': 'standard',
'encoding': 'utf-8',
},
# 专门用来记错误日志
'error': {
'level': 'ERROR',
'class': 'logging.handlers.RotatingFileHandler', # 保存到文件，自动切
'filename': os.path.join(BASE_LOG_DIR, "xxx_err.log"), # 日志文件
'maxBytes': 1024 * 1024 * 50, # 日志大小 50M
'backupCount': 5,
'formatter': 'standard',
'encoding': 'utf-8',
},
# 专门定义一个收集特定信息的日志
'collect': {
'level': 'INFO',
'class': 'logging.handlers.RotatingFileHandler', # 保存到文件，自动切
'filename': os.path.join(BASE_LOG_DIR, "xxx_collect.log"),
'maxBytes': 1024 * 1024 * 50, # 日志大小 50M
'backupCount': 5,
'formatter': 'collect',
'encoding': "utf-8"
}
},
'loggers': {
# 默认的logger应用如下配置
'': {
'handlers': ['default', 'console', 'error'], # 上线之后可以把'console'移除
'level': 'DEBUG',
'propagate': True, # 向不向更高级别的logger传递
},
# 名为 'collect'的logger还单独处理
'collect': {
'handlers': ['console', 'collect'],
'level': 'INFO',
}
},
}
######################
log_config = {
"version": 1,
"disable_existing_loggers": False,
"formatters": {
"simple": {
"format": "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
},
"standard": {
"format": "[%(asctime)s][P:%(process)s][T:%(thread)s][%(filename)s[%(funcName)s]: %(lineno)d][%(levelname)s]: %(message)s"
},
},
"handlers": {
"console": {
"class": "logging.StreamHandler",
"level": "DEBUG",
"formatter": "standard"
},
"info_file_handler": {
"class": "logging.handlers.RotatingFileHandler",
"level": "INFO",
"formatter": "standard",
"filename": os.path.join(logs_dir, "costIncoming.log"),
"backupCount": 30,
"maxBytes": 100*1204*1024,
"encoding": "utf8"
},
"error_file_handler": {
"class": "logging.handlers.RotatingFileHandler",
"level": "ERROR",
"formatter": "standard",
"filename": os.path.join(logs_dir, "errors.log"),
"maxBytes": 100*1204*1024,
"backupCount": 30,
"encoding": "utf8"
},
"specified_file_handler": {
# "class": "logging.handlers.TimedRotatingFileHandler",
"class": "logging.handlers.RotatingFileHandler",
"level": "INFO",
"formatter": "standard",
"filename": os.path.join(logs_dir, "costIncoming.specified.log"),
"backupCount": 60,
# "when": "midnight",
"maxBytes": 100 * 1204 * 1024,
"encoding": "utf8"
},
"cdr_file_handler": {
# "class": "logging.handlers.TimedRotatingFileHandler",
"class": "logging.handlers.RotatingFileHandler",
"level": "INFO",
"formatter": "standard",
"filename": os.path.join(logs_dir, "costIncoming.cdr.log"),
"backupCount": 60,
# "when": "midnight",
"maxBytes": 100 * 1204 * 1024,
"encoding": "utf8"
},
"console_file_handler": {
# "class": "logging.handlers.TimedRotatingFileHandler",
"class": "logging.handlers.RotatingFileHandler",
"level": "INFO",
"formatter": "standard",
"filename": os.path.join(logs_dir, "costIncoming.console.log"),
"backupCount": 60,
# "when": "midnight",
"maxBytes": 100 * 1204 * 1024,
"encoding": "utf8"
},
"task_file": {
"class": "logging.handlers.RotatingFileHandler",
"level": "INFO",
"formatter": "standard",
"filename": os.path.join(logs_dir, "costIncoming.task.log"),
"backupCount": 30,
"maxBytes": 100 * 1204 * 1024,
"encoding": "utf8"
},
"calc_handler": {
# "class": "logging.handlers.TimedRotatingFileHandler",
"class": "logging.handlers.RotatingFileHandler",
"level": "INFO",
"formatter": "standard",
"filename": os.path.join(logs_dir, "cost.calc.log"),
"backupCount": 60,
# "when": "midnight",
"encoding": "utf8"
},
},
"loggers": {
"flask.app": {
"level": "INFO",
"handlers": ["console", "info_file_handler"]
},
"cost.cdr": {
"level": "INFO",
"handlers": ["console", "cdr_file_handler"]
},
"cost.specified": {
"level": "INFO",
"handlers": ["console", "specified_file_handler"]
},
"cost.console": {
"level": "INFO",
"handlers": ["console", "console_file_handler"]
},
"task": {
"level": "INFO",
"handlers": ["console", "task_file"]
},
"cost.calc": {
"level": "INFO",
"handlers": ["console", "calc_handler"]
},
# "msg_error": {
# "level": "ERROR",
# "handlers": ["info_file_handler", "error_file_handler"]
# }
},
# 'root': {
# 'level': 'INFO',
# 'handlers': ['console', "info_file_handler"]
# }
}
###########
from settings.log import log_config
import logging.config
logging.config.dictConfig(log_config)
logging.getLogger("collect").error('test')
