app.py

import core
import openai
import models
import time
import gradio as gr
import os

api_key = os.environ["OPENAI_API_KEY"]
api_base = os.environ["OPENAI_API_BASE"]

# def embed(texts: list):
#         return openai.Embedding.create(input=texts, model="text-embedding-ada-002")["data"]["embedding"]

def chatbot_initialize():
    retriever = core.retriever.ChromaRetriever(pdf_dir="", 
                                               collection_name="langchain", 
                                               split_args={"size": 2048, "overlap": 10}, #embedding_model="text-embedding-ada-002"
                                               embed_model=models.BiomedModel()
                                               )
    Chatbot = core.chatbot.RetrievalChatbot(retriever=retriever)
    return Chatbot

def respond(query, chat_history, img_path, chat_history_string):
    global Chatbot
    response, logs = Chatbot.response(query, image_path=img_path, return_logs=True)
    chat_history.append((query, response))
    if img_path is None:
        chat_history_string += "Query: " + query + "\nImage: None" + "\nRepsonse: " + response + "\n\n\n"
    else:
        chat_history_string += "Query: " + query + "\nImage: " + img_path + "\nRepsonse: " + response + "\n\n\n"
    return "", chat_history, logs, chat_history_string

if __name__ == "__main__":
    global Chatbot
    Chatbot=chatbot_initialize()

    with gr.Blocks() as demo:
        with gr.Row():
            with gr.Column(scale=2):
                chatbot = gr.Chatbot()
                msg = gr.Textbox(label="Query", show_label=True)
                img = gr.Image(type="filepath")
                clear = gr.ClearButton([msg, chatbot])
            with gr.Column(scale=1):
                sidebar = gr.Textbox(label="Subquestions", show_label=True, show_copy_button=True, interactive=False, max_lines=30)
                history = gr.Textbox(label="Copy Chat History", show_label=True, show_copy_button=True, interactive=False, max_lines=5)
            msg.submit(respond, inputs=[msg, chatbot, img, history], outputs=[msg, chatbot, sidebar, history])
    demo.queue().launch()