core/homeassistant/components/camera/demo.py

63 lines
1.7 KiB
Python

"""
Demo camera platform that has a fake camera.
For more details about this platform, please refer to the documentation
https://home-assistant.io/components/demo/
"""
import os
import logging
import homeassistant.util.dt as dt_util
from homeassistant.components.camera import Camera
_LOGGER = logging.getLogger(__name__)
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Set up the Demo camera platform."""
add_devices([
DemoCamera(hass, config, 'Demo camera')
])
class DemoCamera(Camera):
"""The representation of a Demo camera."""
def __init__(self, hass, config, name):
"""Initialize demo camera component."""
super().__init__()
self._parent = hass
self._name = name
self._motion_status = False
def camera_image(self):
"""Return a faked still image response."""
now = dt_util.utcnow()
image_path = os.path.join(
os.path.dirname(__file__), 'demo_{}.jpg'.format(now.second % 4))
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):
"""Camera should poll periodically."""
return True
@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
def disable_motion_detection(self):
"""Disable the motion detection in base station (Disarm)."""
self._motion_status = False