core/homeassistant/components/vera/common.py

85 lines
2.4 KiB
Python

"""Common vera code."""
from __future__ import annotations
from collections import defaultdict
from datetime import datetime
from typing import NamedTuple
import pyvera as pv
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import Platform
from homeassistant.core import CALLBACK_TYPE, HomeAssistant
from homeassistant.helpers.event import call_later
from .const import DOMAIN
class ControllerData(NamedTuple):
"""Controller data."""
controller: pv.VeraController
devices: defaultdict[Platform, list[pv.VeraDevice]]
scenes: list[pv.VeraScene]
config_entry: ConfigEntry
def get_configured_platforms(controller_data: ControllerData) -> set[Platform]:
"""Get configured platforms for a controller."""
platforms: list[Platform] = list(controller_data.devices)
if controller_data.scenes:
platforms.append(Platform.SCENE)
return set(platforms)
def get_controller_data(
hass: HomeAssistant, config_entry: ConfigEntry
) -> ControllerData:
"""Get controller data from hass data."""
return hass.data[DOMAIN][config_entry.entry_id]
def set_controller_data(
hass: HomeAssistant, config_entry: ConfigEntry, data: ControllerData
) -> None:
"""Set controller data in hass data."""
hass.data[DOMAIN][config_entry.entry_id] = data
class SubscriptionRegistry(pv.AbstractSubscriptionRegistry):
"""Manages polling for data from vera."""
def __init__(self, hass: HomeAssistant) -> None:
"""Initialize the object."""
super().__init__()
self._hass = hass
self._cancel_poll: CALLBACK_TYPE | None = None
def start(self) -> None:
"""Start polling for data."""
self.stop()
self._schedule_poll(1)
def stop(self) -> None:
"""Stop polling for data."""
if self._cancel_poll:
self._cancel_poll()
self._cancel_poll = None
def _schedule_poll(self, delay: float) -> None:
self._cancel_poll = call_later(self._hass, delay, self._run_poll_server)
def _run_poll_server(self, now: datetime) -> None:
delay = 1
# Long poll for changes. The downstream API instructs the endpoint to wait a
# a minimum of 200ms before returning data and a maximum of 9s before timing out.
if not self.poll_server_once():
# If an error was encountered, wait a bit longer before trying again.
delay = 60
self._schedule_poll(delay)