mirror of
https://github.com/home-assistant/supervisor.git
synced 2025-04-20 11:17:16 +00:00
19b72b1a79
* add logoutbut * Protect host update * schedule a hostcontrol update task * change log level * cleanup names
93 lines
2.3 KiB
Python
93 lines
2.3 KiB
Python
"""Tools file for HassIO."""
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import asyncio
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import json
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import logging
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import re
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import socket
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import aiohttp
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import async_timeout
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from .const import URL_HASSIO_VERSION, URL_HASSIO_VERSION_BETA
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_LOGGER = logging.getLogger(__name__)
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_RE_VERSION = re.compile(r"VERSION=(.*)")
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_IMAGE_ARCH = re.compile(r".*/([a-z0-9]*)-hassio-supervisor")
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async def fetch_last_versions(websession, beta=False):
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"""Fetch current versions from github.
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Is a coroutine.
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"""
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url = URL_HASSIO_VERSION_BETA if beta else URL_HASSIO_VERSION
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try:
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with async_timeout.timeout(10, loop=websession.loop):
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async with websession.get(url) as request:
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return await request.json(content_type=None)
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except (aiohttp.ClientError, asyncio.TimeoutError, KeyError) as err:
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_LOGGER.warning("Can't fetch versions from %s! %s", url, err)
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except json.JSONDecodeError as err:
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_LOGGER.warning("Can't parse versions from %s! %s", url, err)
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def get_arch_from_image(image):
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"""Return arch from hassio image name."""
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found = _IMAGE_ARCH.match(image)
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if found:
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return found.group(1)
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def get_version_from_env(env_list):
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"""Extract Version from ENV list."""
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for env in env_list:
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found = _RE_VERSION.match(env)
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if found:
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return found.group(1)
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_LOGGER.error("Can't find VERSION in env")
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return None
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def get_local_ip(loop):
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"""Retrieve local IP address.
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Return a future.
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"""
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def local_ip():
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"""Return local ip."""
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try:
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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# Use Google Public DNS server to determine own IP
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sock.connect(('8.8.8.8', 80))
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return sock.getsockname()[0]
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except socket.error:
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return socket.gethostbyname(socket.gethostname())
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finally:
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sock.close()
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return loop.run_in_executor(None, local_ip)
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def write_json_file(jsonfile, data):
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"""Write a json file."""
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try:
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json_str = json.dumps(data, indent=2)
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with jsonfile.open('w') as conf_file:
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conf_file.write(json_str)
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except (OSError, json.JSONDecodeError):
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return False
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return True
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def read_json_file(jsonfile):
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"""Read a json file and return a dict."""
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with jsonfile.open('r') as cfile:
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return json.loads(cfile.read())
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