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import os
import gradio as gr
from text_generation import Client
from conversation import get_default_conv_template, SeparatorStyle
eos_token = "</s>"
def _concat_messages(messages):
message_text = ""
for message in messages:
if message["role"] == "system":
message_text += "<|system|>\n" + message["content"].strip() + "\n"
elif message["role"] == "user":
message_text += "<|user|>\n" + message["content"].strip() + "\n"
elif message["role"] == "assistant":
message_text += "<|assistant|>\n" + message["content"].strip() + eos_token + "\n"
else:
raise ValueError("Invalid role: {}".format(message["role"]))
return message_text
endpoint_url = os.environ.get("ENDPOINT_URL")
client = Client(endpoint_url, timeout=120)
def generate_response(user_input, max_new_token, top_p, top_k, temperature, do_sample, repetition_penalty):
user_input = user_input.strip()
conv = get_default_conv_template("vicuna").copy()
roles = {"human": conv.roles[0], "gpt": conv.roles[1]} # map human to USER and gpt to ASSISTANT
role = roles["human"]
conv.append_message(role, user_input)
msg = conv.get_prompt()
res = client.generate(
msg,
stop_sequences=["<|assistant|>", eos_token, "<|system|>", "<|user|>"],
max_new_tokens=max_new_token,
top_p=top_p,
top_k=top_k,
do_sample=do_sample,
temperature=temperature,
repetition_penalty=repetition_penalty,
)
return [("assistant", res.generated_text)]
with gr.Blocks() as demo:
chatbot = gr.Chatbot()
with gr.Row():
with gr.Column(scale=4):
with gr.Column(scale=12):
user_input = gr.Textbox(
show_label=False,
placeholder="Shift + Enter傳送...",
lines=10).style(
container=False)
with gr.Column(min_width=32, scale=1):
submitBtn = gr.Button("Submit", variant="primary")
with gr.Column(scale=1):
emptyBtn = gr.Button("Clear History")
max_new_token = gr.Slider(
1,
1024,
value=128,
step=1.0,
label="Maximum New Token Length",
interactive=True)
top_p = gr.Slider(0, 1, value=0.9, step=0.01,
label="Top P", interactive=True)
temperature = gr.Slider(
0,
1,
value=0.5,
step=0.01,
label="Temperature",
interactive=True)
top_k = gr.Slider(1, 40, value=40, step=1,
label="Top K", interactive=True)
do_sample = gr.Checkbox(
value=True,
label="Do Sample",
info="use random sample strategy",
interactive=True)
repetition_penalty = gr.Slider(
1.0,
3.0,
value=1.1,
step=0.1,
label="Repetition Penalty",
interactive=True)
params = [user_input, chatbot]
predict_params = [
chatbot,
max_new_token,
top_p,
temperature,
top_k,
do_sample,
repetition_penalty]
submitBtn.click(
generate_response,
[user_input, max_new_token, top_p, top_k, temperature, do_sample, repetition_penalty],
[chatbot],
queue=False
)
user_input.submit(
generate_response,
[user_input, max_new_token, top_p, top_k, temperature, do_sample, repetition_penalty],
[chatbot],
queue=False
)
submitBtn.click(lambda: None, [], [user_input])
emptyBtn.click(lambda: chatbot.reset(), outputs=[chatbot], show_progress=True)
demo.launch() |