flask_13_video_streaming.py

#!/usr/bin/env python
from flask import Flask, render_template, Response, request
from camera import Camera
from flask.helpers import stream_with_context

app = Flask(__name__)


@app.route('/')
def index():
    return render_template('index.html')


def gen(camera):
    while True:
        frame = camera.get_frame()
        yield (b'--frame\r\n'
               b'Content-Type: image/jpeg\r\n\r\n' + frame + b'\r\n')


@app.route('/video_feed')
def video_feed():
    return Response(gen(Camera()),
                    mimetype='multipart/x-mixed-replace; boundary=frame')


@app.route('/stream')
def streamed_response():
    def generate():
        yield 'Hello '
        yield request.args['name']
        yield '!'
    return Response(stream_with_context(generate()))


if __name__ == '__main__':
    app.run(host='0.0.0.0', debug=True)