100 lines
3.3 KiB
Python
100 lines
3.3 KiB
Python
"""
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Camera that loads a picture from a local file.
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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.verisure/
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"""
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import errno
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import logging
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import os
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from homeassistant.components.camera import Camera
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from homeassistant.const import EVENT_HOMEASSISTANT_STOP
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from homeassistant.components.verisure import HUB as hub
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from homeassistant.components.verisure import CONF_SMARTCAM
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_LOGGER = logging.getLogger(__name__)
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the Verisure Camera."""
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if not int(hub.config.get(CONF_SMARTCAM, 1)):
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return False
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directory_path = hass.config.config_dir
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if not os.access(directory_path, os.R_OK):
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_LOGGER.error("file path %s is not readable", directory_path)
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return False
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hub.update_overview()
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smartcams = []
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smartcams.extend([
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VerisureSmartcam(hass, device_label, directory_path)
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for device_label in hub.get(
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"$.customerImageCameras[*].deviceLabel")])
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add_entities(smartcams)
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class VerisureSmartcam(Camera):
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"""Representation of a Verisure camera."""
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def __init__(self, hass, device_label, directory_path):
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"""Initialize Verisure File Camera component."""
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super().__init__()
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self._device_label = device_label
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self._directory_path = directory_path
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self._image = None
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self._image_id = None
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hass.bus.listen_once(EVENT_HOMEASSISTANT_STOP,
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self.delete_image)
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def camera_image(self):
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"""Return image response."""
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self.check_imagelist()
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if not self._image:
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_LOGGER.debug("No image to display")
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return
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_LOGGER.debug("Trying to open %s", self._image)
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with open(self._image, 'rb') as file:
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return file.read()
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def check_imagelist(self):
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"""Check the contents of the image list."""
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hub.update_smartcam_imageseries()
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image_ids = hub.get_image_info(
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"$.imageSeries[?(@.deviceLabel=='%s')].image[0].imageId",
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self._device_label)
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if not image_ids:
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return
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new_image_id = image_ids[0]
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if new_image_id in ('-1', self._image_id):
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_LOGGER.debug("The image is the same, or loading image_id")
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return
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_LOGGER.debug("Download new image %s", new_image_id)
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new_image_path = os.path.join(
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self._directory_path, '{}{}'.format(new_image_id, '.jpg'))
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hub.session.download_image(
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self._device_label, new_image_id, new_image_path)
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_LOGGER.debug("Old image_id=%s", self._image_id)
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self.delete_image(self)
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self._image_id = new_image_id
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self._image = new_image_path
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def delete_image(self, event):
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"""Delete an old image."""
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remove_image = os.path.join(
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self._directory_path, '{}{}'.format(self._image_id, '.jpg'))
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try:
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os.remove(remove_image)
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_LOGGER.debug("Deleting old image %s", remove_image)
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except OSError as error:
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if error.errno != errno.ENOENT:
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raise
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@property
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def name(self):
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"""Return the name of this camera."""
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return hub.get_first(
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"$.customerImageCameras[?(@.deviceLabel=='%s')].area",
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self._device_label)
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