app.py

import gradio as gr

from qa_engine import logger, Config, QAEngine


config = Config()
model = QAEngine(
    llm_model_id=config.question_answering_model_id,
    embedding_model_id=config.embedding_model_id,
    index_repo_id=config.index_repo_id,
    prompt_template=config.prompt_template,
    use_docs_for_context=config.use_docs_for_context,
    add_sources_to_response=config.add_sources_to_response,
    use_messages_for_context=config.use_messages_in_context,
    debug=config.debug
)

with gr.Blocks() as demo:
    chatbot = gr.Chatbot()
    msg = gr.Textbox()
    clear = gr.ClearButton([msg, chatbot])

    def respond(message, chat_history):
        context = ''.join(f'User: {msg} \nBot:{bot_msg}\n' for msg, bot_msg in chat_history)
        logger.info(f'Context: {context}')
        response = model.get_response(message, context)
        bot_message = response.get_answer() + response.get_sources_as_text() + '\n'
        chat_history.append((message, bot_message))
        return '', chat_history

    msg.submit(respond, [msg, chatbot], [msg, chatbot])

demo.launch(share=False)