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