app.py

import gradio as gr
from fastai.text.all import load_learner
import os
import pathlib

import torch

## Workaround for Windows Path - PathPosix issue
# temp = pathlib.PosixPath
# pathlib.PosixPath = pathlib.WindowsPath

def predict(text):
    # Directly use the string path
    model_path = "models/LikeItOrNot-base-v1.pkl"
    learner = load_learner(model_path)
    prediction = learner.predict(text)
    
    confidence_score = torch.tensor(prediction[2]).max()
    confidence= f"{confidence_score:.2%}"
    
    if str(prediction[0]) == "1":
        label = "NEGATIVE"
    elif str(prediction[0]) == "2":
        label = "POSITIVE"
    else:
        label = "dunno"
        
    output = f"Prediction: {label} \n Confidence: {confidence}"

    print(prediction)
    return output, confidence

iface = gr.Interface(fn=predict, inputs="text", outputs=["label", "text"])
iface.launch()