Custom Gunicorn App that supports both meinheld and sync

meinheld_gunicorn.py

from gunicorn.app.base import BaseApplication
from gunicorn.workers.sync import SyncWorker
from meinheld.gmeinheld import MeinheldWorker


class CustomWorker(object):
    def handle_quit(self, sig, frame):
        self.app.application.stop(sig)
        super().handle_quit(sig, frame)

    def run(self):
        self.app.application.start()
        try:
            super().run()
        except KeyboardInterrupt:
            pass


class CustomMeinheldWorker(CustomWorker, MeinheldWorker):
    pass


class CustomSyncWorker(CustomWorker, SyncWorker):
    pass


class GunicornApp(BaseApplication):
    def __init__(self, app, options=None):
        self.options = options or {}
        self.application = app
        super(GunicornApp, self).__init__()

    def load_config(self):
        self.cfg.set('worker_class', 'myapp.__main__.CustomMeinheldWorker')

        for key, value in self.options.items():
            self.cfg.set(key.lower(), value)

    def init(self, parser, opts, args):
        pass

    def load(self):
        return self.application