app.py

import gradio as gr
from typing import Dict
import os

from homepage2vec.model import WebsiteClassifier as Homepage2Vec

EXAMPLES = [
    ["gpt3.5", "tanjasenghaasdesigns.de"],
    ["gpt3.5", "epfl.ch"],
    ["gpt3.5", "cc.cz"],
    ["gpt3.5", "promaminky.cz"]
]


def predict(model_choice : str, url : str) -> Dict[str, float]:
    """
    Predict the categories of a website using the Homepage2Vec model.

    Args:
        model_choice (str): The model to use for prediction.
        url (str): The url of the website to predict.
    
    Returns:
        Dict[str, float]: The categories and their corresponding scores.
    """

    # Define the model directory path
    model_dir = os.path.join("models", model_choice)

    # Initialise model
    model = Homepage2Vec(model_dir=model_dir)

    # Website to predict
    website = model.fetch_website(url)

    # Obtain scores and embeddings
    scores, _ = model.predict(website)

    # Filter only scores that have a value greater than 0.5
    scores = {k: v for k, v in scores.items() if v > 0.5}

    return scores
    

iface = gr.Interface(
    fn=predict,
    inputs=[gr.Dropdown(choices=["gpt3.5", "gpt4"], label="Select Model"),
            gr.Textbox(label="Enter Website URL", placeholder="www.mikasenghaas.de")],
    outputs=gr.Label(num_top_classes=14, label="Predicted Labels", show_label=True),
    title="Homepage2Vec",
    description="Use Homepage2Vec to predict the categories of any website you wish.",
    examples=EXAMPLES,
    live=False,
    allow_flagging="never",
)

iface.launch()