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import gradio as gr
from transformers import AutoTokenizer, AutoModelForCausalLM
from peft import PeftModel
import torch
import json
model_id = "deepseek-ai/deepseek-coder-1.3b-base"
lora_id = "Seunggg/lora-plant"
# 加载 tokenizer
tokenizer = AutoTokenizer.from_pretrained(model_id, trust_remote_code=True)
# 加载基础模型，启用自动设备分配并脱载
base = AutoModelForCausalLM.from_pretrained(
model_id,
device_map="auto",
offload_folder="offload/",
torch_dtype=torch.float16 if torch.cuda.is_available() else torch.float32,
trust_remote_code=True
)
# 加载 LoRA adapter，同样启用脱载
model = PeftModel.from_pretrained(
base,
lora_id,
offload_folder="offload/",
torch_dtype=torch.float16 if torch.cuda.is_available() else torch.float32
)
model.eval()
# 生成 pipeline
from transformers import pipeline
pipe = pipeline(
"text-generation",
model=model,
tokenizer=tokenizer,
device_map="auto",
max_new_tokens=256
)
from ask_api import ask_with_sensor # 引入调用函数
def respond(user_input, sensor_data_input):
if not user_input.strip():
return "请输入植物相关的问题 :)"
# 1. 本地 LoRA 生成的结果
prompt = f"{user_input}\n请用人性化语言生成建议并推荐相关植物资料。\n回答："
local_result = pipe(prompt)[0]["generated_text"].replace(prompt, "").strip()
# 2. Render API 分析结果
try:
sensor_data = eval(sensor_data_input) if sensor_data_input else {}
except:
sensor_data = {}
api_result = ask_with_sensor(user_input, sensor_data)
return f"💡 本地建议：\n{local_result}\n\n🌐 传感器分析：\n{api_result}"
# Gradio 界面
gr.Interface(
fn=respond,
inputs=[
gr.Textbox(lines=4, label="植物问题"),
gr.Textbox(lines=2, label="传感器数据 (JSON 格式)", placeholder='{"temperature": 25, "humidity": 60}')
],
outputs="text",
title="🌱 植物助手 - 本地 LoRA + Render 联动版",
description="结合本地建议和传感器分析结果。"
).launch()
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