import logging.config
# Run once at startup:
logging.config.dictConfig(LOGGING_CONFIG)
# Include in each module:
log = logging.getLogger(__name__)
log.debug("Logging is configured.")
logging_schema = {
# Always 1. Schema versioning may be added in a future release of logging
"version": 1,
# "Name of formatter" : {Formatter Config Dict}
"formatters": {
# Formatter Name
"standard": {
# class is always "logging.Formatter"
"class": "logging.Formatter",
# Optional: logging output format
"format": "%(asctime)s\t%(levelname)s\t%(filename)s\t%(message)s",
# Optional: asctime format
"datefmt": "%d %b %y %H:%M:%S"
}
},
# Handlers use the formatter names declared above
"handlers": {
# Name of handler
"console": {
# The class of logger. A mixture of logging.config.dictConfig() and
# logger class-specific keyword arguments (kwargs) are passed in here.
"class": "logging.StreamHandler",
# This is the formatter name declared above
"formatter": "standard",
"level": "INFO",
# The default is stderr
"stream": "ext://sys.stdout"
},
# Same as the StreamHandler example above, but with different
# handler-specific kwargs.
"file": {
"class": "logging.handlers.RotatingFileHandler",
"formatter": "standard",
"level": "INFO",
"filename": logs_target,
"mode": "a",
"encoding": "utf-8",
"maxBytes": 500000,
"backupCount": 4
}
},
# Loggers use the handler names declared above
"loggers" : {
"__main__": { # if __name__ == "__main__"
# Use a list even if one handler is used
"handlers": ["console", "file"],
"level": "INFO",
"propagate": False
}
},
# Just a standalone kwarg for the root logger
"root" : {
"level": "INFO",
"handlers": ["file"]
}
}
用字典模式配置logging
dictConfig(logging_schema)
尝试一些测试用例，看看是否一切都正常工作
if __name__ == "__main__":
logging.info("testing an info log entry")
logging.warning("testing a warning log entry")
