app.py

from ragatouille import RAGPretrainedModel
import os 
import gradio as gr


path_to_index = 'colbert/indexes/ArColbertQuran'
message = "waiting to load index ..."
if os.path.exists(path_to_index):
    RAG = RAGPretrainedModel.from_index(path_to_index)
    message = "index loaded!"
    print(message)
    
import gradio as gr

def process_results(results):
    answer = ""
    for r in results:
        answer += f"Sura: {r['document_id']} ({r['document_metadata']}) \n Text:{r['content']}\n\n"
    return answer

k = 3 # How many documents you want to retrieve

def answer_fn(query):
    results = RAG.search(query= query, k=k)
    return process_results(results)

qapp = gr.Interface(fn=answer_fn, inputs="textbox", outputs="textbox",
                    examples=[
                    "ما أهمية كتابة المعاملات؟", "أخبرني عن عذاب الله للمنافقين", "حسن معاملة الوالدين", "ما معجزات سيدنا عيسى", "ما هو التطفيف"
                    ],
                   title="Qur\'an Retrieval Demo - Semantic Search",
    description="A basic demo based on Arabic ColBERT (100k triplets) and simple text of the Qur\'an. First query may take a minute, then much faster.\
    Try to include relevant terms - this is just retrieval, not LLM chat and Qur\'an is an edge case.",)
if __name__ == "__main__":
    qapp.launch()