Shalby_chatbot / app.py
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import os
import gradio as gr
from huggingface_hub import InferenceClient
from pipeline import get_retrieval_answer
client = InferenceClient("HuggingFaceH4/zephyr-7b-beta")
def respond(message, history, system_message, max_tokens, temperature, top_p):
# First try PDF-based answer
retrieval = get_retrieval_answer(message)
if retrieval:
return retrieval
# Otherwise fallback to Zephyr
messages = [{"role": "system", "content": system_message}]
for user, bot in history:
if user:
messages.append({"role": "user", "content": user})
if bot:
messages.append({"role": "assistant", "content": bot})
messages.append({"role": "user", "content": message})
response = ""
for chunk in client.chat_completion(
messages=messages,
max_tokens=max_tokens,
stream=True,
temperature=temperature,
top_p=top_p,
):
token = chunk.choices[0].delta.content or ""
response += token
yield response
demo = gr.ChatInterface(
respond,
additional_inputs=[
gr.Textbox(value="You are a helpful AI assistant for analyzing PDF filings.", label="System message"),
gr.Slider(1, 2048, value=512, step=1, label="Max new tokens"),
gr.Slider(0.1, 4.0, value=0.7, step=0.1, label="Temperature"),
gr.Slider(0.1, 1.0, value=0.95, step=0.05, label="Top-p"),
],
)
if __name__ == "__main__":
demo.launch()