import torch
from transformers import AutoModelForCausalLM, AutoTokenizer
from peft import PeftModel
ADAPTER = "wchyin/qwen3-0.6b-exam2json-lora"
tok = AutoTokenizer.from_pretrained(ADAPTER)
model = AutoModelForCausalLM.from_pretrained("Qwen/Qwen3-0.6B", torch_dtype=torch.bfloat16, device_map="auto")
model = PeftModel.from_pretrained(model, ADAPTER).merge_and_unload().eval()
from huggingface_hub import hf_hub_download
SYSTEM_PROMPT = open(hf_hub_download(ADAPTER, "system_prompt.txt"), encoding="utf-8").read().strip()
text = "二、判断题\n3. 路由器通常工作在网络层。( )\n正确答案:对"
messages = [{"role": "system", "content": SYSTEM_PROMPT}, {"role": "user", "content": text}]
inputs = tok.apply_chat_template(
messages, add_generation_prompt=True, enable_thinking=False,
return_tensors="pt", return_dict=True,
).to(model.device)
out = model.generate(**inputs, max_new_tokens=320, do_sample=False)
print(tok.decode(out[0][inputs["input_ids"].shape[1]:], skip_special_tokens=True))