core/homeassistant/components/abode/camera.py

93 lines
2.6 KiB
Python

"""Support for Abode Security System cameras."""
from datetime import timedelta
import logging
import requests
from homeassistant.components.camera import Camera
from homeassistant.util import Throttle
from . import DOMAIN as ABODE_DOMAIN, AbodeDevice
MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=90)
_LOGGER = logging.getLogger(__name__)
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up Abode camera devices."""
import abodepy.helpers.constants as CONST
import abodepy.helpers.timeline as TIMELINE
data = hass.data[ABODE_DOMAIN]
devices = []
for device in data.abode.get_devices(generic_type=CONST.TYPE_CAMERA):
if data.is_excluded(device):
continue
devices.append(AbodeCamera(data, device, TIMELINE.CAPTURE_IMAGE))
data.devices.extend(devices)
add_entities(devices)
class AbodeCamera(AbodeDevice, Camera):
"""Representation of an Abode camera."""
def __init__(self, data, device, event):
"""Initialize the Abode device."""
AbodeDevice.__init__(self, data, device)
Camera.__init__(self)
self._event = event
self._response = None
async def async_added_to_hass(self):
"""Subscribe Abode events."""
await super().async_added_to_hass()
self.hass.async_add_job(
self._data.abode.events.add_timeline_callback,
self._event,
self._capture_callback,
)
def capture(self):
"""Request a new image capture."""
return self._device.capture()
@Throttle(MIN_TIME_BETWEEN_UPDATES)
def refresh_image(self):
"""Find a new image on the timeline."""
if self._device.refresh_image():
self.get_image()
def get_image(self):
"""Attempt to download the most recent capture."""
if self._device.image_url:
try:
self._response = requests.get(self._device.image_url, stream=True)
self._response.raise_for_status()
except requests.HTTPError as err:
_LOGGER.warning("Failed to get camera image: %s", err)
self._response = None
else:
self._response = None
def camera_image(self):
"""Get a camera image."""
self.refresh_image()
if self._response:
return self._response.content
return None
def _capture_callback(self, capture):
"""Update the image with the device then refresh device."""
self._device.update_image_location(capture)
self.get_image()
self.schedule_update_ha_state()