Update app.py

app.py

@@ -1,64 +1,36 @@
+import os
 import gradio as gr
-from huggingface_hub import InferenceClient
+from openai import OpenAI
 
-"""
-For more information on `huggingface_hub` Inference API support, please check the docs: https://huggingface.co/docs/huggingface_hub/v0.22.2/en/guides/inference
-"""
-client = InferenceClient("HuggingFaceH4/zephyr-7b-beta")
-
-
-def respond(
-    message,
-    history: list[tuple[str, str]],
-    system_message,
-    max_tokens,
-    temperature,
-    top_p,
-):
-    messages = [{"role": "system", "content": system_message}]
-
-    for val in history:
-        if val[0]:
-            messages.append({"role": "user", "content": val[0]})
-        if val[1]:
-            messages.append({"role": "assistant", "content": val[1]})
-
-    messages.append({"role": "user", "content": message})
-
-    response = ""
-
-    for message in client.chat_completion(
-        messages,
-        max_tokens=max_tokens,
-        stream=True,
-        temperature=temperature,
-        top_p=top_p,
-    ):
-        token = message.choices[0].delta.content
-
-        response += token
-        yield response
-
-
-"""
-For information on how to customize the ChatInterface, peruse the gradio docs: https://www.gradio.app/docs/chatinterface
-"""
-demo = gr.ChatInterface(
-    respond,
-    additional_inputs=[
-        gr.Textbox(value="You are a friendly Chatbot.", label="System message"),
-        gr.Slider(minimum=1, maximum=2048, value=512, step=1, label="Max new tokens"),
-        gr.Slider(minimum=0.1, maximum=4.0, value=0.7, step=0.1, label="Temperature"),
-        gr.Slider(
-            minimum=0.1,
-            maximum=1.0,
-            value=0.95,
-            step=0.05,
-            label="Top-p (nucleus sampling)",
-        ),
-    ],
+# 读取 API 密钥和端点
+client = OpenAI(
+    api_key=os.getenv("stepfun_key"),
+    base_url="https://platform.stepfun.com/v1"
 )
 
+def chat_with_step3(image, question):
+    """上传图片和文本，通过 API 请求 step3 推理。"""
+    messages = [
+        {
+            "role": "user",
+            "content": [
+                {"type": "image_url", "image_url": {"url": image}},
+                {"type": "text", "text": question},
+            ],
+        }
+    ]
+    completion = client.chat.completions.create(
+        model="step3", messages=messages, max_tokens=4096
+    )
+    return completion.choices[0].message.content
+
+iface = gr.Interface(
+    fn=chat_with_step3,
+    inputs=[gr.Image(type="pil", label="Upload image"), gr.Textbox(label="Question")],
+    outputs="text",
+    title="Step3 FP8 (API) Demo",
+    description="使用 StepFun 提供的 OpenAI 兼容 API 调用 step3‑fp8 模型。"
+)
 
 if __name__ == "__main__":
-    demo.launch()
+    iface.launch()