56 lines
1.5 KiB
Python
56 lines
1.5 KiB
Python
import os
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import tempfile
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from flask import Response, Blueprint, send_from_directory
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from platypush.backend.http.app import template_folder
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from platypush.backend.http.app.utils import authenticate, send_request
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from platypush.config import Config
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from platypush.plugins.camera.pi import CameraPiPlugin
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camera_pi = Blueprint('camera-pi', __name__, template_folder=template_folder)
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# Declare routes list
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__routes__ = [
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camera_pi,
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]
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def video_feed():
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camera_conf = Config.get('camera.pi') or {}
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camera = CameraPiPlugin(**camera_conf)
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with camera:
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while True:
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output = camera.get_stream()
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with output.ready:
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output.ready.wait()
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frame = output.frame
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if frame and len(frame):
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yield (b'--frame\r\n'
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b'Content-Type: image/jpeg\r\n\r\n' + frame + b'\r\n')
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@camera_pi.route('/camera/pi/frame', methods=['GET'])
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@authenticate()
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def get_frame_img():
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filename = os.path.join(tempfile.gettempdir(), 'camera_pi.jpg')
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response = send_request('camera.pi.take_picture', image_file=filename)
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frame_file = (response.output or {}).get('image_file')
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assert frame_file is not None
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return send_from_directory(os.path.dirname(frame_file),
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os.path.basename(frame_file))
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@camera_pi.route('/camera/pi/stream', methods=['GET'])
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@authenticate()
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def get_stream_feed():
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return Response(video_feed(),
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mimetype='multipart/x-mixed-replace; boundary=frame')
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# vim:sw=4:ts=4:et:
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