60 lines
2.0 KiB
Python
60 lines
2.0 KiB
Python
"""Support for a camera of a BloomSky weather station."""
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import logging
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import requests
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from homeassistant.components.camera import Camera
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DEPENDENCIES = ['bloomsky']
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up access to BloomSky cameras."""
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bloomsky = hass.components.bloomsky
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for device in bloomsky.BLOOMSKY.devices.values():
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add_entities([BloomSkyCamera(bloomsky.BLOOMSKY, device)])
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class BloomSkyCamera(Camera):
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"""Representation of the images published from the BloomSky's camera."""
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def __init__(self, bs, device):
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"""Initialize access to the BloomSky camera images."""
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super(BloomSkyCamera, self).__init__()
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self._name = device['DeviceName']
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self._id = device['DeviceID']
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self._bloomsky = bs
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self._url = ""
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self._last_url = ""
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# last_image will store images as they are downloaded so that the
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# frequent updates in home-assistant don't keep poking the server
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# to download the same image over and over.
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self._last_image = ""
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self._logger = logging.getLogger(__name__)
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def camera_image(self):
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"""Update the camera's image if it has changed."""
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try:
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self._url = self._bloomsky.devices[self._id]['Data']['ImageURL']
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self._bloomsky.refresh_devices()
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# If the URL hasn't changed then the image hasn't changed.
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if self._url != self._last_url:
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response = requests.get(self._url, timeout=10)
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self._last_url = self._url
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self._last_image = response.content
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except requests.exceptions.RequestException as error:
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self._logger.error("Error getting bloomsky image: %s", error)
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return None
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return self._last_image
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@property
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def unique_id(self):
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"""Return a unique ID."""
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return self._id
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@property
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def name(self):
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"""Return the name of this BloomSky device."""
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return self._name
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