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