core/homeassistant/components/vera/common.py

67 lines
1.9 KiB
Python

"""Common vera code."""
import logging
from typing import DefaultDict, List, NamedTuple, Set
import pyvera as pv
from homeassistant.components.scene import DOMAIN as SCENE_DOMAIN
from homeassistant.core import HomeAssistant
from homeassistant.helpers.event import call_later
_LOGGER = logging.getLogger(__name__)
class ControllerData(NamedTuple):
"""Controller data."""
controller: pv.VeraController
devices: DefaultDict[str, List[pv.VeraDevice]]
scenes: List[pv.VeraScene]
def get_configured_platforms(controller_data: ControllerData) -> Set[str]:
"""Get configured platforms for a controller."""
platforms = []
for platform in controller_data.devices:
platforms.append(platform)
if controller_data.scenes:
platforms.append(SCENE_DOMAIN)
return set(platforms)
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 = 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) -> 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)