app.py

import gradio as gr
from fastai.vision.all import load_learner, PILImage

# Load the pre-trained FastAI model
model_path = "path_to_your_fastai_model.pkl"
learn = load_learner(model_path)

# Define the prediction function
def predict(image):
    img = PILImage.create(image)
    pred_class, pred_idx, probs = learn.predict(img)
    return f"Prediction: {pred_class}, Probability: {probs[pred_idx]:.4f}"

# Create the Gradio interface
demo = gr.Interface(
    fn=predict,
    inputs=gr.Image(type="file"),
    outputs="text",
    title="Image validation",
    description="Upload an image and get the model's text prediction."
)

demo.launch()