Background-Daemon/daemon/daemon.py

"Daemon class"
import logging
import requests

class Daemon:
    "Daemon "
    def __init__(self, osd_backend, car_api, messagebus_client):
        self.plugins = []
        self.osd_backend = osd_backend
        self.car_api = car_api
        self.messagebus_client = messagebus_client

    def register_plugin(self, plugin_class):
        "Registers a plugin"
        plugin = plugin_class(self)
        self.plugins.append(plugin)

    def get_data(self):
        "Gets data from car api"
        return requests.get(self.car_api).json()

    def emit(self, event, data):
        "Events data to OSD Backend"
        json = {
            "event": event,
            "data": data
        }
        logging.info("Emitting to OSD Frontend")
        logging.debug("%s", json)
        return requests.post(self.osd_backend, json=json)

    def check_all(self):
        "Checks all the plugins"
        data = self.get_data()
        for plugin in self.plugins:
            logging.debug("Checking plugin %s", plugin)
            try:
                plugin.check(data)
            except Exception as error:  # pylint: disable=broad-except
                logging.error("Exception raised by %s: %s", plugin, error)