server.py

# coding: future_fstrings

__requires__ = [
    'cherrypy!=18.1.0',
    'future-fstrings',
    'backports.functools_lru_cache; python_version=="2.7"',
]

import logging
try:
    from functools import lru_cache
except ImportError:
    from backports.functools_lru_cache import lru_cache


import cherrypy.lib.cpstats


class CherootStatistics(cherrypy.process.plugins.SimplePlugin):
    def main(self):
        self._main(self.bus.log)

    @staticmethod
    @lru_cache()
    def _main(log):
        keys = (
            key
            for key in logging.statistics.keys()
            if key.startswith('Cheroot HTTPServer')
        )
        for key in keys:
            log(f'Enabling {key} statistics')
            logging.statistics[key]['Enabled'] = True


class Server:
    @cherrypy.expose
    def index(self):
        return 'Hello World'

    cpstats = cherrypy.lib.cpstats.StatsPage()


def main():
    CherootStatistics(cherrypy.engine).subscribe()
    config = {
        'global': {
            'server.socket_host': '::0',
        },
    }
    cherrypy.quickstart(Server(), config=config)


__name__ == '__main__' and main()