""" Support to check for available updates. For more details about this component, please refer to the documentation at https://home-assistant.io/components/updater/ """ import logging import requests import voluptuous as vol from homeassistant.const import __version__ as CURRENT_VERSION from homeassistant.const import ATTR_FRIENDLY_NAME from homeassistant.helpers import event _LOGGER = logging.getLogger(__name__) DOMAIN = 'updater' ENTITY_ID = 'updater.updater' PYPI_URL = 'https://pypi.python.org/pypi/homeassistant/json' CONFIG_SCHEMA = vol.Schema({ DOMAIN: vol.Schema({}), }, extra=vol.ALLOW_EXTRA) def setup(hass, config): """Setup the updater component.""" if 'dev' in CURRENT_VERSION: _LOGGER.warning("Updater not supported in development version") return False def check_newest_version(_=None): """Check if a new version is available and report if one is.""" newest = get_newest_version() if newest != CURRENT_VERSION and newest is not None: hass.states.set( ENTITY_ID, newest, {ATTR_FRIENDLY_NAME: 'Update available'}) event.track_time_change( hass, check_newest_version, hour=[0, 12], minute=0, second=0) check_newest_version() return True def get_newest_version(): """Get the newest Home Assistant version from PyPI.""" try: req = requests.get(PYPI_URL) return req.json()['info']['version'] except requests.RequestException: _LOGGER.exception("Could not contact PyPI to check for updates") return None except ValueError: _LOGGER.exception("Received invalid response from PyPI") return None except KeyError: _LOGGER.exception("Response from PyPI did not include version") return None