from functools import partial import logging from pathlib import Path from time import perf_counter import gradio as gr from jinja2 import Environment, FileSystemLoader from backend.query_llm import generate from backend.semantic_search import qd_retriever proj_dir = Path(__file__).parent # Setting up the logging logging.basicConfig(level=logging.INFO) logger = logging.getLogger(__name__) # Set up the template environment with the templates directory env = Environment(loader=FileSystemLoader(proj_dir / 'templates')) # Load the templates directly from the environment template = env.get_template('template.j2') template_html = env.get_template('template_html.j2') # Examples examples = ['What is the capital of China?', 'Why is the sky blue?', 'Who won the mens world cup in 2014?', ] def add_text(history, text): history = [] if history is None else history history = history + [(text, None)] return history, gr.Textbox(value="", interactive=False) def bot(history, hyde=False): top_k = 4 query = history[-1][0] logger.warning('Retrieving documents...') # Retrieve documents relevant to query document_start = perf_counter() if hyde: hyde_document = "" generator = generate(f"Write a wikipedia article intro paragraph to answer this query: {query}", history) for output_chunk in generator: hyde_document = output_chunk logger.warning(hyde_document) documents = qd_retriever.retrieve(hyde_document, top_k=top_k) else: documents = qd_retriever.retrieve(query, top_k=top_k) document_time = perf_counter() - document_start logger.warning(f'Finished Retrieving documents in {round(document_time, 2)} seconds...') # Create Prompt prompt = template.render(documents=documents, query=query) prompt_html = template_html.render(documents=documents, query=query) history[-1][1] = "" for character in generate(prompt, history[:-1]): history[-1][1] = character yield history, prompt_html with gr.Blocks() as demo: with gr.Tab("RAGDemo"): chatbot = gr.Chatbot( [], elem_id="chatbot", avatar_images=('https://aui.atlassian.com/aui/8.8/docs/images/avatar-person.svg', 'https://huggingface.co/datasets/huggingface/brand-assets/resolve/main/hf-logo.svg'), bubble_full_width=False, show_copy_button=True, show_share_button=True, ) with gr.Row(): txt = gr.Textbox( scale=3, show_label=False, placeholder="Enter text and press enter", container=False, ) txt_btn = gr.Button(value="Submit text", scale=1) # Examples gr.Examples(examples, txt) prompt_html = gr.HTML() # Turn off interactivity while generating if you click txt_msg = txt_btn.click(add_text, [chatbot, txt], [chatbot, txt], queue=False).then( bot, chatbot, [chatbot, prompt_html]) # Turn it back on txt_msg.then(lambda: gr.Textbox(interactive=True), None, [txt], queue=False) # Turn off interactivity while generating if you hit enter txt_msg = txt.submit(add_text, [chatbot, txt], [chatbot, txt], queue=False).then( bot, chatbot, [chatbot, prompt_html]) # Turn it back on txt_msg.then(lambda: gr.Textbox(interactive=True), None, [txt], queue=False) with gr.Tab("RAGDemo + HyDE"): hyde_chatbot = gr.Chatbot( [], elem_id="chatbot", avatar_images=('https://aui.atlassian.com/aui/8.8/docs/images/avatar-person.svg', 'https://huggingface.co/datasets/huggingface/brand-assets/resolve/main/hf-logo.svg'), bubble_full_width=False, show_copy_button=True, show_share_button=True, ) with gr.Row(): hyde_txt = gr.Textbox( scale=3, show_label=False, placeholder="Enter text and press enter", container=False, ) hyde_txt_btn = gr.Button(value="Submit text", scale=1) # Examples gr.Examples(examples, hyde_txt) hyde_prompt_html = gr.HTML() # Turn off interactivity while generating if you click hyde_txt_msg = hyde_txt_btn.click(add_text, [hyde_chatbot, hyde_txt], [hyde_chatbot, hyde_txt], queue=False).then( partial(bot, hyde=True), [hyde_chatbot], [hyde_chatbot, hyde_prompt_html]) # Turn it back on hyde_txt_msg.then(lambda: gr.Textbox(interactive=True), None, [hyde_txt], queue=False) # Turn off interactivity while generating if you hit enter hyde_txt_msg = hyde_txt.submit(add_text, [hyde_chatbot, hyde_txt], [hyde_chatbot, hyde_txt], queue=False).then( partial(bot, hyde=True), [hyde_chatbot], [hyde_chatbot, hyde_prompt_html]) # Turn it back on hyde_txt_msg.then(lambda: gr.Textbox(interactive=True), None, [hyde_txt], queue=False) demo.queue() demo.launch(debug=True)