app.py

import gradio as gr
import torch
from PIL import Image

# Images
torch.hub.download_url_to_file('https://storage.googleapis.com/kili-datasets-public/plastic-in-river/ckze0btj10ejf0lyy1imtdy7o.jpg', 'bottles1.jpg')
torch.hub.download_url_to_file('https://storage.googleapis.com/kili-datasets-public/plastic-in-river/ckze0btj10ejd0lyyfzm85k9u.jpg', 'bottles2.jpg')

# Model
model = torch.hub.load_state_dict_from_url("gs://kili-datasets-public/plastic_in_river/model/best.pt", force_reload=True)  # force_reload=True to update
# -> load the model from HF models.

def yolo(im, size=640):
    g = (size / max(im.size))  # gain
    im = im.resize((int(x * g) for x in im.size), Image.ANTIALIAS)  # resize

    results = model(im)  # inference
    results.render()  # updates results.imgs with boxes and labels
    return Image.fromarray(results.imgs[0])


inputs = gr.inputs.Image(type='pil', label="Original Image")
outputs = gr.outputs.Image(type="pil", label="Output Image")

title = "YOLOv5"
description = "YOLOv5 Gradio demo for object detection. Upload an image or click an example image to use."
article = "<p style='text-align: center'>YOLOv5 is a family of compound-scaled object detection models trained on the COCO dataset, and includes simple functionality for Test Time Augmentation (TTA), model ensembling, hyperparameter evolution, and export to ONNX, CoreML and TFLite. <a href='https://github.com/ultralytics/yolov5'>Source code</a> |<a href='https://apps.apple.com/app/id1452689527'>iOS App</a> | <a href='https://pytorch.org/hub/ultralytics_yolov5'>PyTorch Hub</a></p>"

examples = [['bottles1.jpg'], ['bottles2.jpg']]
gr.Interface(yolo, inputs, outputs, title=title, description=description, article=article, examples=examples, theme="huggingface").launch(
    debug=True)