""" Run a rest API exposing the yolov5s object detection model """ import argparse import io import torch from PIL import Image from flask import Flask, request app = Flask(__name__) DETECTION_URL = "/v1/object-detection/yolov5s" @app.route(DETECTION_URL, methods=["POST"]) def predict(): if not request.method == "POST": return if request.files.get("image"): image_file = request.files["image"] image_bytes = image_file.read() img = Image.open(io.BytesIO(image_bytes)) results = model(img, size=640) # reduce size=320 for faster inference return results.pandas().xyxy[0].to_json(orient="records") if __name__ == "__main__": parser = argparse.ArgumentParser(description="Flask API exposing YOLOv5 model") parser.add_argument("--port", default=5000, type=int, help="port number") args = parser.parse_args() model = torch.hub.load("ultralytics/yolov5", "yolov5s", force_reload=True) # force_reload to recache app.run(host="0.0.0.0", port=args.port) # debug=True causes Restarting with stat