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Update app.py
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import os
import re
import logging
import gradio as gr
import openai
print(os.environ)
openai.api_base = os.environ.get("OPENAI_API_BASE")
openai.api_key = os.environ.get("OPENAI_API_KEY")
BASE_SYSTEM_MESSAGE = """I carefully provide accurate, factual, thoughtful, nuanced answers and am brilliant at reasoning.
I am an assistant who thinks through their answers step-by-step to be sure I always get the right answer.
I think more clearly if I write out my thought process in a scratchpad manner first; therefore, I always explain background context, assumptions, and step-by-step thinking BEFORE trying to answer or solve anything."""
def make_prediction(prompt, max_tokens=None, temperature=None, top_p=None, top_k=None, repetition_penalty=None):
completion = openai.Completion.create(model="Open-Orca/Mistral-7B-OpenOrca", prompt=prompt, max_tokens=max_tokens, temperature=temperature, top_p=top_p, top_k=top_k, repetition_penalty=repetition_penalty, stream=True, stop=["</s>", "<|im_end|>"])
for chunk in completion:
yield chunk["choices"][0]["text"]
def clear_chat(chat_history_state, chat_message):
chat_history_state = []
chat_message = ''
return chat_history_state, chat_message
def user(message, history):
history = history or []
# Append the user's message to the conversation history
history.append([message, ""])
return "", history
def chat(history, system_message, max_tokens, temperature, top_p, top_k, repetition_penalty):
history = history or []
if system_message.strip():
messages = "<|im_start|> "+"system\n" + system_message.strip() + "<|im_end|>\n" + \
"\n".join(["\n".join(["<|im_start|> "+"user\n"+item[0]+"<|im_end|>", "<|im_start|> assistant\n"+item[1]+"<|im_end|>"])
for item in history])
else:
messages = "<|im_start|> "+"system\n" + BASE_SYSTEM_MESSAGE + "<|im_end|>\n" + \
"\n".join(["\n".join(["<|im_start|> "+"user\n"+item[0]+"<|im_end|>", "<|im_start|> assistant\n"+item[1]+"<|im_end|>"])
for item in history])
# strip the last `<|end_of_turn|>` from the messages
messages = messages.rstrip("<|im_end|>")
# remove last space from assistant, some models output a ZWSP if you leave a space
messages = messages.rstrip()
# If temperature is set to 0, force Top P to 1 and Top K to -1
if temperature == 0:
top_p = 1
top_k = -1
prediction = make_prediction(
messages,
max_tokens=max_tokens,
temperature=temperature,
top_p=top_p,
top_k=top_k,
repetition_penalty=repetition_penalty,
)
for tokens in prediction:
tokens = re.findall(r'(.*?)(\s|$)', tokens)
for subtoken in tokens:
subtoken = "".join(subtoken)
answer = subtoken
history[-1][1] += answer
# stream the response
yield history, history, ""
start_message = ""
CSS ="""
.contain { display: flex; flex-direction: column; }
.gradio-container { height: 100vh !important; }
#component-0 { height: 100%; }
#chatbot { flex-grow: 1; overflow: auto; resize: vertical; }
"""
#with gr.Blocks() as demo:
with gr.Blocks(css=CSS) as demo:
with gr.Row():
with gr.Column():
gr.Markdown(f"""
## This demo is an unquantized GPU chatbot of [Mistral-7B-OpenOrca](https://huggingface.co/Open-Orca/Mistral-7B-OpenOrca)
Brought to you by your friends at Alignment Lab AI, OpenChat, and Open Access AI Collective!
""")
with gr.Row():
gr.Markdown("# πŸ‹ Mistral-7B-OpenOrca Playground Space! πŸ‹")
with gr.Row():
#chatbot = gr.Chatbot().style(height=500)
chatbot = gr.Chatbot(elem_id="chatbot")
with gr.Row():
message = gr.Textbox(
label="What do you want to chat about?",
placeholder="Ask me anything.",
lines=3,
)
with gr.Row():
submit = gr.Button(value="Send message", variant="secondary").style(full_width=True)
clear = gr.Button(value="New topic", variant="secondary").style(full_width=False)
stop = gr.Button(value="Stop", variant="secondary").style(full_width=False)
with gr.Accordion("Show Model Parameters", open=False):
with gr.Row():
with gr.Column():
max_tokens = gr.Slider(20, 2500, label="Max Tokens", step=20, value=500)
temperature = gr.Slider(0.0, 2.0, label="Temperature", step=0.1, value=0.4)
top_p = gr.Slider(0.0, 1.0, label="Top P", step=0.05, value=0.95)
top_k = gr.Slider(1, 100, label="Top K", step=1, value=40)
repetition_penalty = gr.Slider(1.0, 2.0, label="Repetition Penalty", step=0.1, value=1.1)
system_msg = gr.Textbox(
start_message, label="System Message", interactive=True, visible=True, placeholder="System prompt. Provide instructions which you want the model to remember.", lines=5)
chat_history_state = gr.State()
clear.click(clear_chat, inputs=[chat_history_state, message], outputs=[chat_history_state, message], queue=False)
clear.click(lambda: None, None, chatbot, queue=False)
submit_click_event = submit.click(
fn=user, inputs=[message, chat_history_state], outputs=[message, chat_history_state], queue=True
).then(
fn=chat, inputs=[chat_history_state, system_msg, max_tokens, temperature, top_p, top_k, repetition_penalty], outputs=[chatbot, chat_history_state, message], queue=True
)
stop.click(fn=None, inputs=None, outputs=None, cancels=[submit_click_event], queue=False)
demo.queue(max_size=128, concurrency_count=48).launch(debug=True, server_name="0.0.0.0", server_port=7860)