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skywork_chat_demo.py
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skywork_chat_demo.py
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from transformers import AutoModelForCausalLM, AutoTokenizer
from transformers.generation import GenerationConfig
from transformers import AutoConfig
import torch
def load(tokenizer_path, checkpoint_path):
print('Loading tokenizer ...')
tokenizer = AutoTokenizer.from_pretrained(
tokenizer_path, use_fast=False, trust_remote_code=True, padding_side='left')
tokenizer.add_tokens("[USER]")
tokenizer.add_tokens("[BOT]")
tokenizer.add_tokens("[SEP]")
print('Loading model ...')
config = AutoConfig.from_pretrained(checkpoint_path, trust_remote_code=True)
model = AutoModelForCausalLM.from_pretrained(
checkpoint_path, config=config, device_map="balanced_low_0", torch_dtype=torch.bfloat16, trust_remote_code=True)
model.generation_config = GenerationConfig.from_pretrained(
checkpoint_path, trust_remote_code=True)
model.generation_config.do_sample = True
model.eval()
if tokenizer.pad_token_id is None:
if tokenizer.eos_token_id is not None:
tokenizer.pad_token_id = tokenizer.eos_token_id
else:
tokenizer.pad_token_id = 0
return model, tokenizer
def extract_res(response):
if "[BOT]" in response:
response = response.split("[BOT]")[1]
if "<s>" in response:
response = response.split("<s>")[-1]
if "</s>" in response:
response = response.split("</s>")[0]
if "[SEP]" in response:
response = response.split("[SEP]")[0]
return response
def special_encode(prompt, tokenizer):
raw_str = "[USER]%s[SEP][BOT]" % prompt.strip().replace("\r", "")
bos_id = tokenizer.bos_token_id
eos_id = tokenizer.eos_token_id
sep_id = tokenizer.encode("[SEP]")[-1]
res_id = [eos_id, bos_id]
arr = raw_str.split("[SEP]")
for elem_idx in range(len(arr)):
elem = arr[elem_idx]
elem_id = tokenizer.encode(elem)[1:]
res_id += elem_id
if elem_idx < len(arr) - 1:
res_id.append(sep_id)
return res_id
if __name__ == '__main__':
tokenizer_path='skywork/skywork-13b-chat'
checkpoint_path = 'skywork/skywork-13b-chat'
model, tokenizer = load(tokenizer_path, checkpoint_path)
doc = "写一首七言绝句"
input_tokens = special_encode(doc, tokenizer)
input_tokens = torch.tensor(input_tokens).to(model.device).reshape(1, -1)
response = model.generate(input_tokens,
max_new_tokens=1000,
pad_token_id=tokenizer.pad_token_id,
do_sample=True,
top_p=0.8,
top_k=5,
temperature=0.95,
num_return_sequences=1,
repetition_penalty=1.1,
bos_token_id=1,
eos_token_id=2)
response = tokenizer.decode(response.cpu()[0], skip_special_tokens=True)
response = extract_res(response)
print(response)
"""生成结果：
千里莺啼绿水滨，
万家歌笑白云间。
男女老少皆朋友，
和谐社会见温馨。
"""
doc = "我是一名运动员，最近比赛取得很好的成绩受到大家的关注和认可。帮我写一份微博文案，帮我感谢大家支持我，要有日常感，并语言随意一些"
input_tokens = special_encode(doc, tokenizer)
input_tokens = torch.tensor(input_tokens).to(model.device).reshape(1, -1)
response = model.generate(input_tokens,
max_new_tokens=1000,
pad_token_id=tokenizer.pad_token_id,
do_sample=True,
top_p=0.8,
top_k=5,
temperature=0.95,
num_return_sequences=1,
repetition_penalty=1.1,
bos_token_id=1,
eos_token_id=2)
response = tokenizer.decode(response.cpu()[0], skip_special_tokens=True)
response = extract_res(response)
print(response)
"""生成结果：
谢谢每一个在我运动生涯中陪伴我的人，你们的支持、鼓励和信任，是我前进的动力。这段时间的比赛，让我感受到了前所未有的成就和喜悦，它们不仅属于我，更属于那些一路陪伴我成长的人们。
从心底里感谢所有支持我的人，是你们的支持，让我有了勇气和力量去追求更高的目标。每一次的鼓励，都是我前进道路上的光芒，每一次的点赞，都是对我努力的肯定。
生活中的点滴，让我们相互理解，相互支持，一起走过了无数个黎明和黄昏。感谢你们的陪伴，让我不再孤单，让我更加坚定地走向未来。
未来的路还很长，但我愿意陪你一起走下去。因为我知道，你们的支持，会一直伴随着我前行。
再次感谢所有支持我的人，你们是我心中最亮的星。
#运动员# #体育精神#
"""