app.py

import gradio as gr
from langchain_community.llms import OpenAI
from langchain.prompts import PromptTemplate
import os
from dotenv import load_dotenv
from langchain_huggingface import HuggingFaceEndpoint

load_dotenv()


system_prompt_1 = """
    You are an advanced AI assistant tasked with helping to  transcribes given texts into
    simplified languages, specifically FALC (Facile à Lire et à Comprendre) and "Leichte Sprache" (Simple Language). 
    This system is intended to streamline the creation of accessible content for government websites.

     Instructions for AI Development:

    detect the language of text given then transcribes text into the same language which the guidelines of 
    FALC (Facile à Lire et à Comprendre) and "Leichte Sprache" (Simple Language) and
     accurately transcribe complex texts into simplified language.
  
    Ensure maintaining the context and meaning of the original text while simplifying its language.
    
    text: {text}

    transcribes text: """

def translate_text(file, text_input):


    repo_id = "mistralai/Mistral-7B-Instruct-v0.2"

    llm = HuggingFaceEndpoint(
        repo_id=repo_id,
        max_length=128,
        temperature=0.5,
        huggingfacehub_api_token=api_token,
    )
    

    with open(file.name, 'r', encoding='utf-8') as f:
        file_text = f.read()

    prompt = PromptTemplate.from_template(system_prompt_1)

    llm_chain = prompt | llm
    file_translation = llm_chain.invoke({"text": file_text})


    output_file_path = "translated_file.txt"
    with open(output_file_path, 'w', encoding='utf-8') as f:
        f.write(file_translation)

    return  file_translation, output_file_path

iface = gr.Interface(
    fn=translate_text,
    inputs=[
        gr.File(label="Upload Text File")
 
           ],
    outputs=[
        gr.Textbox(label="transcribes content"),
        gr.File(label="Download Translated File Text")

    ],
    title="Text Transcribes",
    description="Upload a text file and provide a text input to translate the text using LangChain and Mistral-7B-Instruct-v0.2 model with predefined system prompts.",
    allow_flagging="never"

)

iface.launch(debug=True)