Added Raspberry Pi Camera Component

homeassistant/components/camera/raspberry_camera.py

@@ -0,0 +1,70 @@
+"""Camera platform that has a Raspberry Pi camera."""
+
+import os
+import subprocess
+import logging
+
+from homeassistant.components.camera import Camera
+
+_LOGGER = logging.getLogger(__name__)
+
+
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """Setup the Raspberry Camera."""
+    add_devices([
+        RaspberryCamera(config)
+    ])
+
+
+class RaspberryCamera(Camera):
+    """Raspberry Pi camera."""
+
+    def __init__(self, device_info):
+        """Initialize Raspberry Pi camera component."""
+        super().__init__()
+
+        self._name = device_info.get("name", "Raspberry Pi Camera")
+        image_width = int(device_info.get("image_width", "640"))
+        image_height = int(device_info.get("image_height", "480"))
+        image_quality = int(device_info.get("image_quality", "7"))
+        image_rotation = int(device_info.get("image_rotation", "0"))
+        timelapse = int(device_info.get("timelapse", "1000"))
+
+        horizontal_flip_arg = ""
+        horizontal_flip = int(device_info.get("horizontal_flip", "0"))
+        if horizontal_flip:
+            horizontal_flip_arg = " -hf "
+
+        vertical_flip_arg = ""
+        vertical_flip = int(device_info.get("vertical_flip", "0"))
+        if vertical_flip:
+            vertical_flip_arg = " -vf"
+
+        image_path = os.path.join(os.path.dirname(__file__),
+                                  'image.jpg')
+
+        # kill if there's raspistill instance
+        cmd = 'killall raspistill'
+        subprocess.call(cmd, shell=True)
+        # start new instance of raspistill
+        cmd = ('raspistill --nopreview -o ' + image_path +
+               ' -t 0 ' + '-w ' + str(image_width) + ' -h ' +
+               str(image_height) + ' -tl ' + str(timelapse) + ' -q ' +
+               str(image_quality) + str(horizontal_flip_arg) +
+               str(vertical_flip_arg) + ' -rot ' + str(image_rotation) +
+               '&')
+
+        subprocess.call(cmd, shell=True)
+
+    def camera_image(self):
+        """Return raspstill image response."""
+        image_path = os.path.join(os.path.dirname(__file__),
+                                  'image.jpg')
+
+        with open(image_path, 'rb') as file:
+            return file.read()
+
+    @property
+    def name(self):
+        """Return the name of this camera."""
+        return self._name