code

cherrypy.log("hello there")

test.py

import logging
import logging.config


import cherrypy


logger = logging.getLogger()
db_logger = logging.getLogger('db')


LOG_CONF = {
    'version': 1,


    'formatters': {
        'void': {
            'format': ''
        },
        'standard': {
            
 
'format': '%(asctime)s [%(levelname)s] %(name)s: %(message)s'
        },
    },
    'handlers': {
        'default': {
            'level':'INFO',
            'class':'logging.StreamHandler',
            'formatter': 'standard',
            'stream': 'ext://sys.stdout'
        },
        'cherrypy_console
 
': {
            'level':'INFO',
            'class':'logging.StreamHandler',
            'formatter': 'void',
            'stream': 'ext://sys.stdout'
        },
        'cherrypy_access': {
            'level':'INFO',
            'class': 'logging.handlers.RotatingFileHandler',
            'formatter
 
': 'void',
            'filename': 'access.log',
            'maxBytes': 10485760,
            'backupCount': 20,
            'encoding': 'utf8'
        },
        'cherrypy_error': {
            'level':'INFO',
            'class': 'logging.handlers.RotatingFileHandler',
            'formatter': 'void',
            'filename': 'errors.log',
            'maxBytes': 10485760,
            'backupCount': 20,
            'encoding': 'utf8'
        },
    },
    'loggers': {
        '': {
            'handlers': ['default'],
            'level': 'INFO'
        },
        'db': {
            'handlers': ['default'],
            'level': 'INFO' ,
            'propagate': False
        },
        'cherrypy.access': {
            'handlers': ['cherrypy_access'],
            'level': 'INFO',
            'propagate': False
        },
        'cherrypy.error': {
            'handlers': ['cherrypy_console', 'cherrypy_error'],
            'level': 'INFO',
            'propagate': False
        },
    }
}


class Root(object):
    @cherrypy.expose
    def index(self):


        logger.info("boom")
        db_logger.info("bam")
        cherrypy.log("bang")


        return "hello world"


if __name__ == '__main__':
    cherrypy.config.update({'log.screen': False,
                            'log.access_file': '',
                            'log.error_file': ''})
cherrypy.engine.unsubscribe('graceful', cherrypy.log.reopen_files)
    logging.config.dictConfig(LOG_CONF)
    cherrypy.quickstart(Root())

output

macname@MacdeMacBook-Pro cherry % python3 test.py
[21/Jan/2020:01:04:15] ENGINE Listening for SIGTERM.
[21/Jan/2020:01:04:15] ENGINE Listening for SIGHUP.
[21/Jan/2020:01:04:15] ENGINE Listening for SIGUSR1.
[21/Jan/2020:01:04:15] ENGINE Bus STARTING
CherryPy Checker:
The Application mounted at '' has an empty config.

[21/Jan/2020:01:04:15] ENGINE Started monitor thread 'Autoreloader'.
[21/Jan/2020:01:04:15] ENGINE Serving on http://127.0.0.1:8080
[21/Jan/2020:01:04:15] ENGINE Bus STARTED
2020-01-21 01:05:28,432 [INFO] root: boom
2020-01-21 01:05:28,432 [INFO] db: bam
[21/Jan/2020:01:05:28]  bang