mirror of
https://github.com/andvikt/mega_hacs.git
synced 2025-12-11 00:54:28 +05:00
429 lines
15 KiB
Python
429 lines
15 KiB
Python
import asyncio
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import logging
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from collections import defaultdict
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from datetime import datetime, timedelta
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import aiohttp
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import typing
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import re
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import json
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from bs4 import BeautifulSoup
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from homeassistant.components import mqtt
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from homeassistant.const import DEVICE_CLASS_TEMPERATURE, DEVICE_CLASS_HUMIDITY
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity import Entity
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from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
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from .const import TEMP, HUM, PATT_SPLIT, DOMAIN, CONF_HTTP, EVENT_BINARY_SENSOR
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from .entities import set_events_off
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from .exceptions import CannotConnect
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from .tools import make_ints
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TEMP_PATT = re.compile(r'temp:([01234567890\.]+)')
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HUM_PATT = re.compile(r'hum:([01234567890\.]+)')
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PATTERNS = {
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TEMP: TEMP_PATT,
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HUM: HUM_PATT,
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}
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UNITS = {
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TEMP: '°C',
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HUM: '%'
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}
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CLASSES = {
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TEMP: DEVICE_CLASS_TEMPERATURE,
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HUM: DEVICE_CLASS_HUMIDITY
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}
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class NoPort(Exception):
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pass
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class MegaD:
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"""MegaD Hub"""
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def __init__(
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self,
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hass: HomeAssistant,
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loop: asyncio.AbstractEventLoop,
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host: str,
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password: str,
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mqtt: mqtt.MQTT,
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lg: logging.Logger,
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id: str,
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mqtt_inputs: bool = True,
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mqtt_id: str = None,
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scan_interval=60,
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port_to_scan=0,
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nports=38,
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inverted: typing.List[int] = None,
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update_all=True,
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**kwargs,
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):
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"""Initialize."""
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if mqtt_inputs is None or mqtt_inputs == 'None' or mqtt_inputs is False:
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self.http = hass.data.get(DOMAIN, {}).get(CONF_HTTP)
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if not self.http is None:
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self.http.allowed_hosts |= {host}
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else:
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self.http = None
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self.update_all = update_all if update_all is not None else True
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self.nports = nports
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self.mqtt_inputs = mqtt_inputs
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self.loop: asyncio.AbstractEventLoop = None
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self.hass = hass
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self.host = host
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self.sec = password
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self.mqtt = mqtt
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self.id = id
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self.lck = asyncio.Lock()
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self.last_long = {}
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self._http_lck = asyncio.Lock()
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self._notif_lck = asyncio.Lock()
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self.cnd = asyncio.Condition()
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self.online = True
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self.entities: typing.List[Entity] = []
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self.poll_interval = scan_interval
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self.subs = None
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self.lg: logging.Logger = lg.getChild(self.id)
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self._scanned = {}
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self.sensors = []
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self.port_to_scan = port_to_scan
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self.last_update = datetime.now()
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self._callbacks: typing.DefaultDict[int, typing.List[typing.Callable[[dict], typing.Coroutine]]] = defaultdict(list)
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self._loop = loop
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self.values = {}
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self.last_port = None
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self.updater = DataUpdateCoordinator(
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hass,
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self.lg,
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name="sensors",
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update_method=self.poll,
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update_interval=timedelta(seconds=self.poll_interval) if self.poll_interval else None,
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)
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self.notifiers = defaultdict(asyncio.Condition)
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if not mqtt_id:
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_id = host.split(".")[-1]
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self.mqtt_id = f"megad/{_id}"
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else:
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self.mqtt_id = mqtt_id
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async def start(self):
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self.loop = asyncio.get_event_loop()
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if self.mqtt is not None:
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set_events_off()
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self.subs = await self.mqtt.async_subscribe(
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topic=f"{self.mqtt_id}/+",
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msg_callback=self._process_msg,
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qos=0,
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)
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async def stop(self):
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if self.subs is not None:
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self.subs()
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for x in self._callbacks.values():
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x.clear()
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async def add_entity(self, ent):
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async with self.lck:
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self.entities.append(ent)
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async def get_sensors(self, only_list=False):
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self.lg.debug(self.sensors)
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ports = []
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for x in self.sensors:
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if only_list and x.http_cmd != 'list':
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continue
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if x.port in ports:
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continue
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await self.get_port(x.port, force_http=True, http_cmd=x.http_cmd)
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ports.append(x.port)
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@property
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def is_online(self):
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return (datetime.now() - self.last_update).total_seconds() < (self.poll_interval + 10)
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def _warn_offline(self):
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if self.online:
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self.lg.warning('mega is offline')
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self.hass.states.async_set(
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f'mega.{self.id}',
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'offline',
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)
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self.online = False
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def _notify_online(self):
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if not self.online:
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self.hass.states.async_set(
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f'mega.{self.id}',
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'online',
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)
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self.online = True
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async def poll(self):
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"""
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Send get port 0 every poll_interval. When answer is received, mega.<id> becomes online else mega.<id> becomes
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offline
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"""
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self.lg.debug('poll')
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if self.mqtt is None:
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await self.get_all_ports()
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await self.get_sensors(only_list=True)
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return
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if len(self.sensors) > 0:
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await self.get_sensors()
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else:
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await self.get_port(self.port_to_scan)
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return self.values
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async def get_mqtt_id(self):
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async with aiohttp.request(
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'get', f'http://{self.host}/{self.sec}/?cf=2'
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) as req:
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data = await req.text()
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data = BeautifulSoup(data, features="lxml")
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_id = data.find(attrs={'name': 'mdid'})
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if _id:
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_id = _id['value']
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return _id or 'megad/' + self.host.split('.')[-1]
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async def send_command(self, port=None, cmd=None):
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return await self.request(pt=port, cmd=cmd)
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async def request(self, **kwargs):
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cmd = '&'.join([f'{k}={v}' for k, v in kwargs.items() if v is not None])
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url = f"http://{self.host}/{self.sec}/?{cmd}"
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self.lg.debug('request: %s', url)
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async with self._http_lck:
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async with aiohttp.request("get", url=url) as req:
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if req.status != 200:
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self.lg.warning('%s returned %s (%s)', url, req.status, await req.text())
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return None
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else:
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ret = await req.text()
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self.lg.debug('response %s', ret)
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return ret
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async def save(self):
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await self.send_command(cmd='s')
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def parse_response(self, ret):
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if ret is None:
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raise NoPort()
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if 'busy' in ret:
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return None
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if ':' in ret:
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ret = PATT_SPLIT.split(ret)
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ret = {'value': dict([
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x.split(':') for x in ret if x.count(':') == 1
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])}
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elif 'ON' in ret:
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ret = {'value': 'ON'}
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elif 'OFF' in ret:
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ret = {'value': 'OFF'}
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else:
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ret = {'value': ret}
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return ret
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async def get_port(self, port, force_http=False, http_cmd='get'):
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"""
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Запрос состояния порта. Состояние всегда возвращается в виде объекта, всегда сохраняется в центральное
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хранилище values
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"""
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self.lg.debug(f'get port %s', port)
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if self.mqtt is None or force_http:
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if http_cmd == 'list':
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await self.request(pt=port, cmd='conv')
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await asyncio.sleep(1)
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ret = self.parse_response(await self.request(pt=port, cmd=http_cmd))
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ntry = 0
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while http_cmd == 'list' and ret is None and ntry < 3:
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await asyncio.sleep(1)
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ret = self.parse_response(await self.request(pt=port, cmd=http_cmd))
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ntry += 1
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self.lg.debug('parsed: %s', ret)
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self.values[port] = ret
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return ret
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async with self._notif_lck:
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async with self.notifiers[port]:
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cnd = self.notifiers[port]
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await self.mqtt.async_publish(
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topic=f'{self.mqtt_id}/cmd',
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payload=f'get:{port}',
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qos=2,
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retain=False,
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)
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try:
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await asyncio.wait_for(cnd.wait(), timeout=10)
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return self.values.get(port)
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except asyncio.TimeoutError:
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self.lg.error(f'timeout when getting port {port}')
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async def get_all_ports(self, only_out=False):
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if not self.mqtt_inputs:
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ret = await self.request(cmd='all')
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for port, x in enumerate(ret.split(';')):
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ret = self.parse_response(x)
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self.values[port] = ret
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else:
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for x in range(self.nports + 1):
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await self.get_port(x)
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async def reboot(self, save=True):
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await self.save()
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async def _notify(self, port, value):
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async with self.notifiers[port]:
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cnd = self.notifiers[port]
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cnd.notify_all()
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def _process_msg(self, msg):
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try:
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d = msg.topic.split('/')
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port = d[-1]
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except ValueError:
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self.lg.warning('can not process %s', msg)
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return
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if port == 'cmd':
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return
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try:
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port = int(port)
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except:
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self.lg.warning('can not process %s', msg)
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return
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self.lg.debug(
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'process incomming message: %s', msg
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)
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value = None
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try:
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value = json.loads(msg.payload)
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if isinstance(value, dict):
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make_ints(value)
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self.values[port] = value
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for cb in self._callbacks[port]:
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cb(value)
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if isinstance(value, dict):
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value = value.copy()
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value['mega_id'] = self.id
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self.hass.bus.async_fire(
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EVENT_BINARY_SENSOR,
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value,
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)
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except Exception as exc:
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self.lg.warning(f'could not parse json ({msg.payload}): {exc}')
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return
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finally:
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asyncio.run_coroutine_threadsafe(self._notify(port, value), self.loop)
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def subscribe(self, port, callback):
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port = int(port)
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self.lg.debug(
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f'subscribe %s %s', port, callback
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)
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if self.mqtt_inputs:
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self._callbacks[port].append(callback)
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else:
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self.http.callbacks[self.id][port].append(callback)
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async def authenticate(self) -> bool:
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"""Test if we can authenticate with the host."""
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async with aiohttp.request("get", url=f"http://{self.host}/{self.sec}") as req:
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if "Unauthorized" in await req.text():
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return False
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else:
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if req.status != 200:
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raise CannotConnect
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return True
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async def get_port_page(self, port):
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url = f'http://{self.host}/{self.sec}/?pt={port}'
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self.lg.debug(f'get page for port {port} {url}')
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async with aiohttp.request('get', url) as req:
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return await req.text()
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async def scan_port(self, port):
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async with self.lck:
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if port in self._scanned:
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return self._scanned[port]
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url = f'http://{self.host}/{self.sec}/?pt={port}'
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self.lg.debug(
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f'scan port %s: %s', port, url
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)
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async with aiohttp.request('get', url) as req:
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html = await req.text()
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if req.status != 200:
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return
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tree = BeautifulSoup(html, features="lxml")
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pty = tree.find('select', attrs={'name': 'pty'})
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if pty is None:
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return
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else:
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pty = pty.find(selected=True)
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if pty:
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pty = pty['value']
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else:
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return
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if pty in ['0', '1']:
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m = tree.find('select', attrs={'name': 'm'})
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if m:
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m = m.find(selected=True)['value']
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self._scanned[port] = (pty, m)
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return pty, m
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elif pty == '3':
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m = tree.find('select', attrs={'name': 'd'})
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if m:
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m = m.find(selected=True)['value']
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self._scanned[port] = (pty, m)
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return pty, m
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elif pty in ('2', '4'): # эта часть не очень проработана, тут есть i2c который может работать неправильно
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self._scanned[port] = (pty, '0')
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return pty, '0'
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async def scan_ports(self, nports=37):
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for x in range(0, nports+1):
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ret = await self.scan_port(x)
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if ret:
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yield [x, *ret]
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self.nports = nports+1
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async def get_config(self, nports=37):
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ret = defaultdict(lambda: defaultdict(list))
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async for port, pty, m in self.scan_ports(nports):
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if pty == "0":
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ret['binary_sensor'][port].append({})
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elif pty == "1" and (m in ['0', '1', '3'] or m is None):
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ret['light'][port].append({'dimmer': m == '1'})
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elif pty in ('3', '2', '4'):
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try:
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http_cmd = 'get'
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values = await self.get_port(port, force_http=True)
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if values is None or (isinstance(values, dict) and str(values.get('value')) in ('', 'None')):
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values = await self.get_port(port, force_http=True, http_cmd='list')
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http_cmd = 'list'
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except asyncio.TimeoutError:
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self.lg.warning(f'timout on port {port}')
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continue
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self.lg.debug(f'values: %s', values)
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if values is None:
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self.lg.warning(f'port {port} is of type sensor but response is None, skipping it')
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continue
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if isinstance(values, dict) and 'value' in values:
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values = values['value']
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if isinstance(values, str) and TEMP_PATT.search(values):
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values = {TEMP: values}
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elif not isinstance(values, dict):
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values = {None: values}
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for key in values:
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self.lg.debug(f'add sensor {key}')
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ret['sensor'][port].append(dict(
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key=key,
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unit_of_measurement=UNITS.get(key, UNITS[TEMP]),
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device_class=CLASSES.get(key, CLASSES[TEMP]),
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id_suffix=key,
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http_cmd=http_cmd,
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))
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return ret
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