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| # main application file initializing the gradio based ui and calling other | |
| # standard imports | |
| import os | |
| # external imports | |
| from fastapi import FastAPI | |
| import markdown | |
| import gradio as gr | |
| from uvicorn import run | |
| from gradio_iframe import iFrame | |
| # internal imports | |
| from backend.controller import interference | |
| from explanation.markup import color_codes | |
| # Global Variables and css | |
| app = FastAPI() | |
| css = "body {text-align: start !important;}" | |
| coloring = color_codes() | |
| # different functions to provide frontend abilities | |
| # function to load markdown files | |
| def load_md(path): | |
| # CREDIT: official python-markdown documentation | |
| ## see https://python-markdown.github.io/reference/) | |
| with open(path, "r", encoding="utf-8") as file: | |
| text = file.read() | |
| return markdown.markdown(text) | |
| # function to display the system prompt info | |
| def system_prompt_info(sys_prompt_txt): | |
| # display the system prompt using the Gradio Info component | |
| gr.Info(f"The system prompt was set to:\n {sys_prompt_txt}") | |
| # function to display the xai info | |
| def xai_info(xai_radio): | |
| # display the xai method using the Gradio Info component | |
| if xai_radio != "None": | |
| gr.Info(f"The XAI was set to:\n {xai_radio}") | |
| else: | |
| gr.Info("No XAI method was selected.") | |
| # ui interface based on Gradio Blocks (see documentation: | |
| # https://www.gradio.app/docs/interface) | |
| with gr.Blocks( | |
| css=""" | |
| .examples {text-align: start;} | |
| .seperatedRow {border-top: 1rem solid;}", | |
| """, | |
| title="Thesis Webapp Showcase", | |
| head="<head>", | |
| ) as ui: | |
| # header row with markdown based text | |
| with gr.Row(): | |
| # markdown component to display the header | |
| gr.Markdown(""" | |
| # Thesis Demo - AI Chat Application with GODEL | |
| Interpretability powered by shap and attention visualization, | |
| ### Select between tabs below for the different views. | |
| """) | |
| # ChatBot tab used to chat with the AI chatbot | |
| with gr.Tab("AI ChatBot"): | |
| with gr.Row(): | |
| # markdown component to display the header of the current tab | |
| gr.Markdown(""" | |
| ### ChatBot Demo | |
| Chat with the AI ChatBot using the textbox below. | |
| Manipulate the settings in the row above, | |
| including the selection of the model, | |
| the system prompt and the XAI method. | |
| **See Explanations in the accordion above the chat.** | |
| """) | |
| # row with columns for the different settings | |
| with gr.Row(equal_height=True): | |
| with gr.Accordion(label="Application Settings", open=False): | |
| # column that takes up 3/4 of the row | |
| with gr.Column(scale=3): | |
| # textbox to enter the system prompt | |
| system_prompt = gr.Textbox( | |
| label="System Prompt", | |
| info="Set the models system prompt, dictating how it answers.", | |
| placeholder=( | |
| "You are a helpful, respectful and honest assistant. Always" | |
| " answer as helpfully as possible, while being safe." | |
| ), | |
| ) | |
| # column that takes up 1/4 of the row | |
| with gr.Column(scale=1): | |
| # checkbox group to select the xai method | |
| xai_selection = gr.Radio( | |
| ["None", "SHAP", "Attention"], | |
| label="XAI Settings", | |
| info="Select a XAI Implementation to use.", | |
| value="None", | |
| interactive=True, | |
| show_label=True, | |
| ) | |
| # calling info functions on inputs for different settings | |
| system_prompt.submit(system_prompt_info, [system_prompt]) | |
| xai_selection.input(xai_info, [xai_selection]) | |
| # row with chatbot ui displaying "conversation" with the model | |
| with gr.Row(equal_height=True): | |
| with gr.Group(elem_classes="border: 1px solid black;"): | |
| # accordion to display the normalized input explanation | |
| with gr.Accordion(label="Input Explanation", open=False): | |
| gr.Markdown(""" | |
| The explanations are based on 10 buckets that range between the | |
| lowest negative value (1 to 5) and the highest positive attribution value (6 to 10). | |
| **The legend show the color for each bucket.** | |
| """) | |
| xai_text = gr.HighlightedText( | |
| color_map=coloring, | |
| label="Input Explanation", | |
| show_legend=True, | |
| show_label=False, | |
| ) | |
| # out of the box chatbot component | |
| # see documentation: https://www.gradio.app/docs/chatbot | |
| chatbot = gr.Chatbot( | |
| layout="panel", | |
| show_copy_button=True, | |
| avatar_images=("./public/human.jpg", "./public/bot.jpg"), | |
| ) | |
| # textbox to enter the knowledge | |
| with gr.Accordion(label="Additional Knowledge", open=False): | |
| knowledge_input = gr.Textbox( | |
| value="", | |
| label="Knowledge", | |
| max_lines=5, | |
| info="Add additional context knowledge.", | |
| show_label=True, | |
| ) | |
| # textbox to enter the user prompt | |
| user_prompt = gr.Textbox( | |
| label="Input Message", | |
| max_lines=5, | |
| info=""" | |
| Ask the ChatBot a question. | |
| Hint: More complicated question give better explanation insights! | |
| """, | |
| show_label=True, | |
| ) | |
| # row with columns for buttons to submit and clear content | |
| with gr.Row(elem_classes=""): | |
| with gr.Column(scale=1): | |
| # out of the box clear button which clearn the given components (see | |
| # documentation: https://www.gradio.app/docs/clearbutton) | |
| clear_btn = gr.ClearButton([user_prompt, chatbot]) | |
| with gr.Column(scale=1): | |
| submit_btn = gr.Button("Submit", variant="primary") | |
| with gr.Row(elem_classes="examples"): | |
| gr.Examples( | |
| label="Example Questions", | |
| examples=[ | |
| [ | |
| "How does a black hole form in space?", | |
| ( | |
| "Black holes are created when a massive star's core" | |
| " collapses after a supernova, forming an object with" | |
| " gravity so intense that even light cannot escape." | |
| ), | |
| ], | |
| [ | |
| ( | |
| "Explain the importance of the Rosetta Stone in" | |
| " understanding ancient languages." | |
| ), | |
| ( | |
| "The Rosetta Stone, an ancient Egyptian artifact, was key" | |
| " in decoding hieroglyphs, featuring the same text in three" | |
| " scripts: hieroglyphs, Demotic, and Greek." | |
| ), | |
| ], | |
| ["Does money buy happiness?", ""], | |
| ], | |
| inputs=[user_prompt, knowledge_input], | |
| ) | |
| # explanations tab used to provide explanations for a specific conversation | |
| with gr.Tab("Explanations"): | |
| # row with markdown component to display the header of the current tab | |
| with gr.Row(): | |
| gr.Markdown(""" | |
| ### Get Explanations for Conversations | |
| Get additional explanations for the last conversation you had with the AI ChatBot. | |
| Depending on the selected XAI method, different explanations are available. | |
| """) | |
| # row that displays the generated explanation of the model (if applicable) | |
| with gr.Row(): | |
| # wraps the explanation html to display it statically | |
| xai_interactive = iFrame( | |
| label="Interactive Explanation", | |
| value=( | |
| '<div style="text-align: center; font-family:arial;"><h4>No Graphic' | |
| " to Display (Yet)</h4></div>" | |
| ), | |
| height="1000px", | |
| show_label=True, | |
| ) | |
| # functions to trigger the controller | |
| ## takes information for the chat and the xai selection | |
| ## returns prompt, history and xai data | |
| ## see backend/controller.py for more information | |
| submit_btn.click( | |
| interference, | |
| [user_prompt, chatbot, knowledge_input, system_prompt, xai_selection], | |
| [user_prompt, chatbot, xai_interactive, xai_text], | |
| ) | |
| # function triggered by the enter key | |
| user_prompt.submit( | |
| interference, | |
| [user_prompt, chatbot, knowledge_input, system_prompt, xai_selection], | |
| [user_prompt, chatbot, xai_interactive, xai_text], | |
| ) | |
| # final row to show legal information | |
| ## - credits, data protection and link to the License | |
| with gr.Tab(label="About"): | |
| gr.Markdown(value=load_md("public/about.md")) | |
| with gr.Accordion(label="Credits, Data Protection, License"): | |
| gr.Markdown(value=load_md("public/credits_dataprotection_license.md")) | |
| # mount function for fastAPI Application | |
| app = gr.mount_gradio_app(app, ui, path="/") | |
| # launch function using uvicorn to launch the fastAPI application | |
| if __name__ == "__main__": | |
| # use standard gradio launch option for hgf spaces | |
| if os.environ["HOSTING"].lower() == "spaces": | |
| ui.launch(auth=("htw", "berlin@123")) | |
| # otherwise run the application on port 8080 in reload mode | |
| ## for local development, uses Docker for Prod deployment | |
| run("main:app", port=8080, reload=True) | |