_cpconfig.py 文件源码

def _engine_namespace_handler(k, v):
    """Config handler for the "engine" namespace."""
    engine = cherrypy.engine

    if k == 'SIGHUP':
        engine.subscribe('SIGHUP', v)
    elif k == 'SIGTERM':
        engine.subscribe('SIGTERM', v)
    elif '.' in k:
        plugin, attrname = k.split('.', 1)
        plugin = getattr(engine, plugin)
        if attrname == 'on':
            if v and hasattr(getattr(plugin, 'subscribe', None), '__call__'):
                plugin.subscribe()
                return
            elif (
                (not v) and
                hasattr(getattr(plugin, 'unsubscribe', None), '__call__')
            ):
                plugin.unsubscribe()
                return
        setattr(plugin, attrname, v)
    else:
        setattr(engine, k, v)