mirror of
https://github.com/home-assistant/supervisor.git
synced 2025-04-20 19:27:16 +00:00
04514a9f5c
* Create hassio network layer / allow linking * rename docker * fix lint * fix lint p2 * Set network options * First version of network code * Finish network layer * Remove old api_endpoint stuff * Add DNS forwarding * Fix DNS recorder * Fix lint p1 * Fix lint p2 * Fix lint p3 * Fix spell * Fix ipam struct * Fix ip to str * Fix ip to str v2 * Fix spell * Fix hass on host * Fix host attach to network * Cleanup network code * Fix lint & add debug * fix link * Remove log * Fix network * fix reattach of supervisor * set options * Fix containers * Fix remapping & add a test * Fix dict bug * Fix prop * Test with run container * Fix problem
119 lines
3.3 KiB
Python
119 lines
3.3 KiB
Python
"""Tools file for HassIO."""
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import asyncio
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from contextlib import suppress
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from datetime import datetime
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import json
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import logging
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import re
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import aiohttp
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import async_timeout
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import voluptuous as vol
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from voluptuous.humanize import humanize_error
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_LOGGER = logging.getLogger(__name__)
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FREEGEOIP_URL = "https://freegeoip.io/json/"
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RE_STRING = re.compile(r"\x1b(\[.*?[@-~]|\].*?(\x07|\x1b\\))")
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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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async def fetch_timezone(websession):
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"""Read timezone from freegeoip."""
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data = {}
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with suppress(aiohttp.ClientError, asyncio.TimeoutError,
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json.JSONDecodeError, KeyError):
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with async_timeout.timeout(10, loop=websession.loop):
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async with websession.get(FREEGEOIP_URL) as request:
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data = await request.json()
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return data.get('time_zone', 'UTC')
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def convert_to_ascii(raw):
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"""Convert binary to ascii and remove colors."""
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return RE_STRING.sub("", raw.decode())
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class JsonConfig(object):
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"""Hass core object for handle it."""
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def __init__(self, json_file, schema):
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"""Initialize hass object."""
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self._file = json_file
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self._schema = schema
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self._data = {}
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# init or load data
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if self._file.is_file():
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try:
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self._data = read_json_file(self._file)
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except (OSError, json.JSONDecodeError):
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_LOGGER.warning("Can't read %s", self._file)
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self._data = {}
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# validate
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try:
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self._data = self._schema(self._data)
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except vol.Invalid as ex:
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_LOGGER.error("Can't parse %s -> %s",
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self._file, humanize_error(self._data, ex))
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def save(self):
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"""Store data to config file."""
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# validate
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try:
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self._data = self._schema(self._data)
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except vol.Invalid as ex:
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_LOGGER.error("Can't parse data -> %s",
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humanize_error(self._data, ex))
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return False
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# write
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if not write_json_file(self._file, self._data):
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_LOGGER.error("Can't store config in %s", self._file)
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return False
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return True
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class AsyncThrottle(object):
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"""
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Decorator that prevents a function from being called more than once every
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time period.
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"""
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def __init__(self, delta):
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"""Initialize async throttle."""
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self.throttle_period = delta
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self.time_of_last_call = datetime.min
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def __call__(self, method):
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"""Throttle function"""
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async def wrapper(*args, **kwargs):
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"""Throttle function wrapper"""
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now = datetime.now()
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time_since_last_call = now - self.time_of_last_call
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if time_since_last_call > self.throttle_period:
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self.time_of_last_call = now
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return await method(*args, **kwargs)
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return wrapper
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