sglang.0.4.8.post1/meta_ui.py

74 lines
2.3 KiB
Python

import gradio as gr
import requests
API_URL = "http://localhost:30000/generate" # ✅ 使用原生 generate 接口
API_KEY = "token-abc123"
MODEL_NAME = "Qwen3-14b-base"
# 🚫 不再拼接上下文,只保留用户当前输入
def build_prompt(history, user_message):
return user_message
# 主对话函数
def chat(user_message, history, max_tokens, temperature):
prompt = build_prompt(history, user_message)
headers = {
"Authorization": f"Bearer {API_KEY}",
"Content-Type": "application/json"
}
payload = {
"model": MODEL_NAME,
"prompt": prompt,
"max_tokens": max_tokens,
"temperature": temperature
}
try:
response = requests.post(API_URL, headers=headers, json=payload, timeout=30)
result = response.json()
reply = result["text"].strip() # ✅ /generate 接口返回字段是 text
except Exception as e:
reply = f"[请求失败] {e}"
return reply
# 测试 API 连通性
def test_api_connection(max_tokens, temperature):
headers = {
"Authorization": f"Bearer {API_KEY}",
"Content-Type": "application/json"
}
payload = {
"model": MODEL_NAME,
"prompt": "Ping?",
"max_tokens": max_tokens,
"temperature": temperature
}
try:
resp = requests.post(API_URL, headers=headers, json=payload, timeout=10)
out = resp.json()["text"].strip() # ✅ 修改这里
return f"✅ API 可用,响应: {out}"
except Exception as e:
return f"❌ API 请求失败: {e}"
# Gradio 界面
with gr.Blocks(title="Base 模型测试 UI") as demo:
gr.Markdown("# 💬 Base 模型对话界面")
with gr.Row():
max_tokens = gr.Slider(32, 1024, value=256, label="max_tokens")
temperature = gr.Slider(0.0, 1.5, value=0.7, step=0.05, label="temperature")
test_btn = gr.Button("🔁 测试 API 可用性")
test_output = gr.Textbox(label="API 测试结果", interactive=False)
chatbot = gr.ChatInterface(
fn=lambda msg, hist: chat(msg, hist, max_tokens.value, temperature.value),
title=None
)
test_btn.click(fn=test_api_connection, inputs=[max_tokens, temperature], outputs=test_output)
demo.launch(server_name="0.0.0.0", server_port=30001)