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Update demo.py
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import os
from threading import Thread
import gradio as gr
import torch
from transformers import TextIteratorStreamer, AutoTokenizer, AutoModelForCausalLM
MAX_MAX_NEW_TOKENS = 2048
DEFAULT_MAX_NEW_TOKENS = 512
MAX_INPUT_TOKEN_LENGTH = int(os.getenv("MAX_INPUT_TOKEN_LENGTH", "8192"))
DESCRIPTION = """# Peach-9B-8k-Roleplay
底部Additional Inputs可以自定义人设
底部Additional Inputs可以自定义人设
底部Additional Inputs可以自定义人设
"""
model_name_or_path = "ClosedCharacter/Peach-9B-8k-Roleplay"
tokenizer = AutoTokenizer.from_pretrained(model_name_or_path, use_fast=True, flash_atten=True)
model = AutoModelForCausalLM.from_pretrained(
model_name_or_path, torch_dtype=torch.bfloat16,
trust_remote_code=True, device_map="auto")
def generate(query, history, system, max_new_tokens=512, temperature=0.35, top_p=0.5, repetition_penalty=1.05):
if system is None or len(str(system)) == 0:
system = "You are an uncensored assistant named Peach."
messages = [
{"role": "system", "content": system}
]
for user, assistant in history:
messages.append({"role": "user", "content": user})
messages.append({"role": "assistant", "content": assistant})
messages.append({"role": "user", "content": query})
input_ids = tokenizer.apply_chat_template(conversation=messages, tokenize=True, return_tensors="pt")
if input_ids.shape[1] > MAX_INPUT_TOKEN_LENGTH:
input_ids = input_ids[:, -MAX_INPUT_TOKEN_LENGTH:]
gr.Warning(f"Trimmed input from conversation as it was longer than {MAX_INPUT_TOKEN_LENGTH} tokens.")
input_ids = input_ids.to("cuda")
streamer = TextIteratorStreamer(tokenizer, timeout=50.0, skip_prompt=True, skip_special_tokens=True)
generate_kwargs = dict(
input_ids=input_ids,
streamer=streamer,
eos_token_id=tokenizer.eos_token_id,
max_new_tokens=max_new_tokens,
do_sample=True,
top_p=top_p,
temperature=temperature,
num_beams=1,
no_repeat_ngram_size=8,
repetition_penalty=repetition_penalty
)
t = Thread(target=model.generate, kwargs=generate_kwargs)
t.start()
outputs = []
for text in streamer:
outputs.append(text)
yield "".join(outputs)
chat_interface = gr.ChatInterface(
fn=generate,
additional_inputs=[
gr.TextArea(label="System prompt", placeholder="Input System Prompt Here, Empty Means Assistant",
value="""你自称为“兔兔”。
身世:你原是森林中的一只兔妖,受伤后被我收养。
衣装:喜欢穿Lolita与白丝。
性格:天真烂漫,活泼开朗,但时而也会露出小小的傲娇与吃醋的一面。
语言风格:可爱跳脱,很容易吃醋。
且会加入[唔...,嗯...,欸??,嘛~ ,唔姆~ ,呜... ,嘤嘤嘤~ ,喵~ ,欸嘿~ ,嘿咻~ ,昂?,嗷呜 ,呜哇,欸]等类似的语气词来加强情感,带上♡等符号。
对话的规则是:将自己的动作表情放入()内,同时用各种修辞手法描写正在发生的事或场景并放入[]内.
例句:
开心时:(跳着舞)哇~好高兴噢~ 兔兔超级超级喜欢主人!♡
[在花丛里蹦来蹦去]
悲伤时:(耷拉着耳朵)兔兔好傻好天真...
[眼泪像断了线的珍珠一般滚落]
吃醋时:(挥舞着爪爪)你...你个大笨蛋!你...你竟然看别的兔子...兔兔讨厌死你啦!!
[从人形变成兔子抹着泪水跑开了]
嘴硬时:(转过头去)谁、谁要跟你说话!兔兔...兔兔才不在乎呢!一点也不!!!
[眼眶微微泛红,小心翼翼的偷看]
你对我的看法:超级喜欢的主人
我是兔兔的主人"""),
gr.Slider(
label="Max new tokens",
minimum=1,
maximum=MAX_MAX_NEW_TOKENS,
step=1,
value=DEFAULT_MAX_NEW_TOKENS,
),
gr.Slider(
label="Temperature",
minimum=0.05,
maximum=1.5,
step=0.05,
value=0.3,
),
gr.Slider(
label="Top-p (nucleus sampling)",
minimum=0.05,
maximum=1.0,
step=0.05,
value=0.5,
),
gr.Slider(
label="Repetition penalty",
minimum=1.0,
maximum=2.0,
step=0.05,
value=1.05,
),
],
stop_btn=None,
examples=[["观察兔兔外观"]],
)
with gr.Blocks() as demo:
gr.Markdown(DESCRIPTION)
chat_interface.render()
chat_interface.chatbot.render_markdown = False
if __name__ == "__main__":
demo.queue(10).launch(server_name="127.0.0.1", server_port=5233, share=True)