supervisor/hassio/updater.py
Pascal Vizeli 8baf59a608 fix lint
2018-03-24 22:06:56 +01:00

92 lines
2.6 KiB
Python

"""Fetch last versions from webserver."""
import asyncio
from datetime import timedelta
import json
import logging
import aiohttp
import async_timeout
from .const import (
URL_HASSIO_VERSION, FILE_HASSIO_UPDATER, ATTR_HOMEASSISTANT, ATTR_HASSIO,
ATTR_CHANNEL, CHANNEL_STABLE, CHANNEL_BETA, CHANNEL_DEV)
from .coresys import CoreSysAttributes
from .utils import AsyncThrottle
from .utils.json import JsonConfig
from .validate import SCHEMA_UPDATER_CONFIG
_LOGGER = logging.getLogger(__name__)
CHANNEL_TO_BRANCH = {
CHANNEL_STABLE: 'master',
CHANNEL_BETA: 'rc',
CHANNEL_DEV: 'dev',
}
class Updater(JsonConfig, CoreSysAttributes):
"""Fetch last versions from version.json."""
def __init__(self, coresys):
"""Initialize updater."""
super().__init__(FILE_HASSIO_UPDATER, SCHEMA_UPDATER_CONFIG)
self.coresys = coresys
def load(self):
"""Update internal data.
Return a coroutine.
"""
return self.reload()
@property
def version_homeassistant(self):
"""Return last version of homeassistant."""
return self._data.get(ATTR_HOMEASSISTANT)
@property
def version_hassio(self):
"""Return last version of hassio."""
return self._data.get(ATTR_HASSIO)
@property
def channel(self):
"""Return upstream channel of hassio instance."""
return self._data[ATTR_CHANNEL]
@channel.setter
def channel(self, value):
"""Set upstream mode."""
self._data[ATTR_CHANNEL] = value
@AsyncThrottle(timedelta(seconds=60))
async def reload(self):
"""Fetch current versions from github.
Is a coroutine.
"""
url = URL_HASSIO_VERSION.format(CHANNEL_TO_BRANCH[self.channel])
try:
_LOGGER.info("Fetch update data from %s", url)
with async_timeout.timeout(10, loop=self._loop):
async with self._websession.get(url) as request:
data = await request.json(content_type=None)
except (aiohttp.ClientError, asyncio.TimeoutError, KeyError) as err:
_LOGGER.warning("Can't fetch versions from %s: %s", url, err)
return
except json.JSONDecodeError as err:
_LOGGER.warning("Can't parse versions from %s: %s", url, err)
return
# data valid?
if not data:
_LOGGER.warning("Invalid data from %s", url)
return
# update versions
self._data[ATTR_HOMEASSISTANT] = data.get('homeassistant')
self._data[ATTR_HASSIO] = data.get('hassio')
self.save_data()