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| import subprocess | |
| subprocess.run(["pip", "install", "--upgrade", "transformers[torch,sentencepiece]==4.34.1"]) | |
| 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, I think its Shanghai?', | |
| '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: | |
| complete_output = "" | |
| generator = generate(f"Write a wikipedia article intro paragraph to answer this query: {query}", history) | |
| for output_chunk in generator: | |
| complete_output += output_chunk | |
| documents = qd_retriever.retrieve(query, top_k=top_k) | |
| document_time = document_start - perf_counter() | |
| 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) | |
| 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) | |
| # Examples | |
| gr.Examples(examples, txt) | |
| 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) | |
| 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( | |
| bot, 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( | |
| bot, 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) | |
| # Examples | |
| gr.Examples(examples, hyde_txt) | |
| demo.queue() | |
| demo.launch(debug=True) | |