core/homeassistant/components/demo/camera.py

89 lines
2.5 KiB
Python

"""Demo camera platform that has a fake camera."""
import logging
import os
from homeassistant.components.camera import SUPPORT_ON_OFF, Camera
_LOGGER = logging.getLogger(__name__)
async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
"""Set up the Demo camera platform."""
async_add_entities([DemoCamera("Demo camera")])
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up the Demo config entry."""
await async_setup_platform(hass, {}, async_add_entities)
class DemoCamera(Camera):
"""The representation of a Demo camera."""
def __init__(self, name):
"""Initialize demo camera component."""
super().__init__()
self._name = name
self._motion_status = False
self.is_streaming = True
self._images_index = 0
def camera_image(self):
"""Return a faked still image response."""
self._images_index = (self._images_index + 1) % 4
image_path = os.path.join(
os.path.dirname(__file__), f"demo_{self._images_index}.jpg"
)
_LOGGER.debug("Loading camera_image: %s", image_path)
with open(image_path, "rb") as file:
return file.read()
@property
def name(self):
"""Return the name of this camera."""
return self._name
@property
def should_poll(self):
"""Demo camera doesn't need poll.
Need explicitly call schedule_update_ha_state() after state changed.
"""
return False
@property
def supported_features(self):
"""Camera support turn on/off features."""
return SUPPORT_ON_OFF
@property
def is_on(self):
"""Whether camera is on (streaming)."""
return self.is_streaming
@property
def motion_detection_enabled(self):
"""Camera Motion Detection Status."""
return self._motion_status
def enable_motion_detection(self):
"""Enable the Motion detection in base station (Arm)."""
self._motion_status = True
self.schedule_update_ha_state()
def disable_motion_detection(self):
"""Disable the motion detection in base station (Disarm)."""
self._motion_status = False
self.schedule_update_ha_state()
def turn_off(self):
"""Turn off camera."""
self.is_streaming = False
self.schedule_update_ha_state()
def turn_on(self):
"""Turn on camera."""
self.is_streaming = True
self.schedule_update_ha_state()