"""Credit to https://github.com/THUDM/ChatGLM2-6B/blob/main/web_demo.py while mistakes are mine."""
# pylint: disable=broad-exception-caught, redefined-outer-name, missing-function-docstring, missing-module-docstring, too-many-arguments, line-too-long, invalid-name, redefined-builtin, redefined-argument-from-local
# import gradio as gr
# model_name = "models/THUDM/chatglm2-6b-int4"
# gr.load(model_name).lauch()
# %%writefile demo-4bit.py
import os
import time
from textwrap import dedent
import gradio as gr
import mdtex2html
import torch
from loguru import logger
from transformers import AutoModel, AutoTokenizer
# fix timezone in Linux
os.environ["TZ"] = "Asia/Shanghai"
try:
time.tzset() # type: ignore # pylint: disable=no-member
except Exception:
# Windows
logger.warning("Windows, cant run time.tzset()")
#model_name = "wangrongsheng/IvyGPT-35"
model_name = "wangrongsheng/Med-InternLM"
RETRY_FLAG = False
tokenizer = AutoTokenizer.from_pretrained(model_name, trust_remote_code=True)
#model = AutoModel.from_pretrained(model_name, trust_remote_code=True).quantize(4).half().cuda()
model = AutoModel.from_pretrained(model_name, trust_remote_code=True).half().cuda()
model = model.eval()
_ = """Override Chatbot.postprocess"""
def postprocess(self, y):
if y is None:
return []
for i, (message, response) in enumerate(y):
y[i] = (
None if message is None else mdtex2html.convert((message)),
None if response is None else mdtex2html.convert(response),
)
return y
gr.Chatbot.postprocess = postprocess
def parse_text(text):
lines = text.split("\n")
lines = [line for line in lines if line != ""]
count = 0
for i, line in enumerate(lines):
if "```" in line:
count += 1
items = line.split("`")
if count % 2 == 1:
lines[i] = f'
'
else:
lines[i] = "
"
else:
if i > 0:
if count % 2 == 1:
line = line.replace("`", r"\`")
line = line.replace("<", "<")
line = line.replace(">", ">")
line = line.replace(" ", " ")
line = line.replace("*", "*")
line = line.replace("_", "_")
line = line.replace("-", "-")
line = line.replace(".", ".")
line = line.replace("!", "!")
line = line.replace("(", "(")
line = line.replace(")", ")")
line = line.replace("$", "$")
lines[i] = "
" + line
text = "".join(lines)
return text
def predict(
RETRY_FLAG, input, chatbot, max_length, top_p, temperature, history, past_key_values
):
try:
chatbot.append((parse_text(input), ""))
except Exception as exc:
logger.error(exc)
logger.debug(f"{chatbot=}")
_ = """
if chatbot:
chatbot[-1] = (parse_text(input), str(exc))
yield chatbot, history, past_key_values
# """
yield chatbot, history, past_key_values
"""
for response, history, past_key_values in model.stream_chat(
tokenizer,
input,
history,
past_key_values=past_key_values,
return_past_key_values=True,
max_length=max_length,
top_p=top_p,
temperature=temperature,
):
"""
for response, history in model.stream_chat(tokenizer, input, history, max_length=max_length, top_p=top_p,
temperature=temperature):
chatbot[-1] = (parse_text(input), parse_text(response))
yield chatbot, history, past_key_values
def trans_api(input, max_length=40960, top_p=0.7, temperature=0.95):
if max_length < 10:
max_length = 40960
if top_p < 0.1 or top_p > 1:
top_p = 0.7
if temperature <= 0 or temperature > 1:
temperature = 0.01
try:
res, _ = model.chat(
tokenizer,
input,
history=[],
past_key_values=None,
max_length=max_length,
top_p=top_p,
temperature=temperature,
)
# logger.debug(f"{res=} \n{_=}")
except Exception as exc:
logger.error(f"{exc=}")
res = str(exc)
return res
def reset_user_input():
return gr.update(value="")
def reset_state():
return [], [], None
# Delete last turn
def delete_last_turn(chat, history):
if chat and history:
chat.pop(-1)
history.pop(-1)
return chat, history
# Regenerate response
def retry_last_answer(
user_input, chatbot, max_length, top_p, temperature, history, past_key_values
):
if chatbot and history:
# Removing the previous conversation from chat
chatbot.pop(-1)
# Setting up a flag to capture a retry
RETRY_FLAG = True
# Getting last message from user
user_input = history[-1][0]
# Removing bot response from the history
history.pop(-1)
yield from predict(
RETRY_FLAG, # type: ignore
user_input,
chatbot,
max_length,
top_p,
temperature,
history,
past_key_values,
)
with gr.Blocks(title="Med-InternLM", theme=gr.themes.Soft(text_size="sm")) as demo:
# gr.HTML("""ChatGLM2-6B-int4
""")
gr.HTML(
"""Med-InternLM医疗对话大模型
"""
)
with gr.Accordion("🎈 Info", open=False):
_ = f"""
## 欢迎体验Med-InternLM
近期在通用领域中出现的大语言模型(LLMs),例如ChatGPT,在遵循指令和产生类人响应方面表现出了显著的成功。然而,这样的大型语言模型并没有被广泛应用于医学领域,导致响应的准确性较差,无法提供关于医学诊断、药物等合理的建议。Med-InternLM是一个医疗大语言模型,它在高质量的医学问答数据上进行了监督微调,并使用人类反馈的强化学习进行了训练。
[模型下载地址](https://huggingface.co/wangrongsheng/Med-InternLM)
"""
gr.Markdown(dedent(_))
chatbot = gr.Chatbot()
with gr.Row():
with gr.Column(scale=4):
with gr.Column(scale=12):
user_input = gr.Textbox(
show_label=False,
placeholder="Input...",
).style(container=False)
RETRY_FLAG = gr.Checkbox(value=False, visible=False)
with gr.Column(min_width=32, scale=1):
with gr.Row():
submitBtn = gr.Button("Submit", variant="primary")
deleteBtn = gr.Button("删除最后一条对话", variant="secondary")
retryBtn = gr.Button("重新生成Regenerate", variant="secondary")
with gr.Column(scale=1):
emptyBtn = gr.Button("Clear History")
max_length = gr.Slider(
0,
32768,
value=8192,
step=1.0,
label="Maximum length",
interactive=True,
)
top_p = gr.Slider(
0, 1, value=0.85, step=0.01, label="Top P", interactive=True
)
temperature = gr.Slider(
0.01, 1, value=0.95, step=0.01, label="Temperature", interactive=True
)
history = gr.State([])
past_key_values = gr.State(None)
user_input.submit(
predict,
[
RETRY_FLAG,
user_input,
chatbot,
max_length,
top_p,
temperature,
history,
past_key_values,
],
[chatbot, history, past_key_values],
show_progress="full",
)
submitBtn.click(
predict,
[
RETRY_FLAG,
user_input,
chatbot,
max_length,
top_p,
temperature,
history,
past_key_values,
],
[chatbot, history, past_key_values],
show_progress="full",
api_name="predict",
)
submitBtn.click(reset_user_input, [], [user_input])
emptyBtn.click(
reset_state, outputs=[chatbot, history, past_key_values], show_progress="full"
)
retryBtn.click(
retry_last_answer,
inputs=[
user_input,
chatbot,
max_length,
top_p,
temperature,
history,
past_key_values,
],
# outputs = [chatbot, history, last_user_message, user_message]
outputs=[chatbot, history, past_key_values],
)
deleteBtn.click(delete_last_turn, [chatbot, history], [chatbot, history])
with gr.Accordion("Example inputs", open=True):
examples = gr.Examples(
examples=[
["熬夜对身体有什么危害? "],
["新冠肺炎怎么预防"],
["系统性红斑狼疮的危害和治疗方法是什么?"],
],
inputs=[user_input],
examples_per_page=50,
)
with gr.Accordion("For Chat/Translation API", open=False, visible=False):
input_text = gr.Text()
tr_btn = gr.Button("Go", variant="primary")
out_text = gr.Text()
tr_btn.click(
trans_api,
[input_text, max_length, top_p, temperature],
out_text,
# show_progress="full",
api_name="tr",
)
_ = """
input_text.submit(
trans_api,
[input_text, max_length, top_p, temperature],
out_text,
show_progress="full",
api_name="tr1",
)
# """
# demo.queue().launch(share=False, inbrowser=True)
# demo.queue().launch(share=True, inbrowser=True, debug=True)
# concurrency_count > 1 requires more memory, max_size: queue size
# T4 medium: 30GB, model size: ~4G concurrency_count = 6
# leave one for api access
# reduce to 5 if OOM occurs to often
demo.queue(concurrency_count=6, max_size=30).launch(debug=True)