proof of concept

live_flask.py

@@ -0,0 +1,29 @@
+import cv2
+import numpy as np
+import gphoto2 as gp
+from flask import Flask, Response
+
+app = Flask(__name__)
+
+camera = gp.Camera()
+camera.init()
+
+def generate():
+    while True:
+        file = camera.capture_preview()
+        data = file.get_data_and_size()
+        frame = np.frombuffer(data, dtype=np.uint8)
+        frame = cv2.imdecode(frame, cv2.IMREAD_COLOR)
+
+        if frame is not None:
+            _, buffer = cv2.imencode('.jpg', frame)
+            yield (b'--frame\r\n'
+                   b'Content-Type: image/jpeg\r\n\r\n' + buffer.tobytes() + b'\r\n')
+
+@app.route('/liveview')
+def liveview():
+    return Response(generate(),
+                    mimetype='multipart/x-mixed-replace; boundary=frame')
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=5000)