82 lines
2.4 KiB
Python
82 lines
2.4 KiB
Python
"""
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Support for Blink system camera.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/camera.blink/
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"""
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from datetime import timedelta
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import logging
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import requests
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from homeassistant.components.blink import DOMAIN
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from homeassistant.components.camera import Camera
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from homeassistant.util import Throttle
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_LOGGER = logging.getLogger(__name__)
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DEPENDENCIES = ['blink']
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MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=90)
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Set up a Blink Camera."""
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if discovery_info is None:
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return
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data = hass.data[DOMAIN].blink
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devs = list()
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for name in data.cameras:
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devs.append(BlinkCamera(hass, config, data, name))
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add_devices(devs)
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class BlinkCamera(Camera):
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"""An implementation of a Blink Camera."""
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def __init__(self, hass, config, data, name):
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"""Initialize a camera."""
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super().__init__()
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self.data = data
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self.hass = hass
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self._name = name
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self.notifications = self.data.cameras[self._name].notifications
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self.response = None
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_LOGGER.debug("Initialized blink camera %s", self._name)
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@property
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def name(self):
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"""Return the camera name."""
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return self._name
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@Throttle(MIN_TIME_BETWEEN_UPDATES)
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def request_image(self):
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"""Request a new image from Blink servers."""
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_LOGGER.debug("Requesting new image from blink servers")
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image_url = self.check_for_motion()
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header = self.data.cameras[self._name].header
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self.response = requests.get(image_url, headers=header, stream=True)
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def check_for_motion(self):
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"""Check if motion has been detected since last update."""
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self.data.refresh()
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notifs = self.data.cameras[self._name].notifications
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if notifs > self.notifications:
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# We detected motion at some point
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self.data.last_motion()
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self.notifications = notifs
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# Returning motion image currently not working
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# return self.data.cameras[self._name].motion['image']
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elif notifs < self.notifications:
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self.notifications = notifs
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return self.data.camera_thumbs[self._name]
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def camera_image(self):
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"""Return a still image response from the camera."""
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self.request_image()
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return self.response.content
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