Update app.py

app.py

@@ -1,64 +1,143 @@
 import gradio as gr
-from huggingface_hub import InferenceClient
+import torch
+from transformers import (
+    AutoModelForCausalLM,
+    AutoTokenizer,
+    TextIteratorStreamer,
+)
+import os
+from threading import Thread
+import spaces
+import time
+import subprocess
+
+subprocess.run(
+    "pip install flash-attn --no-build-isolation",
+    env={"FLASH_ATTENTION_SKIP_CUDA_BUILD": "TRUE"},
+    shell=True,
+)
 
-"""
-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")
+token = os.environ["HF_TOKEN"]
 
+model = AutoModelForCausalLM.from_pretrained(
+    "microsoft/Phi-3-mini-128k-instruct",
+    token=token,
+    trust_remote_code=True,
+)
+tok = AutoTokenizer.from_pretrained("microsoft/Phi-3-mini-128k-instruct", token=token)
+terminators = [
+    tok.eos_token_id,
+]
 
-def respond(
-    message,
-    history: list[tuple[str, str]],
-    system_message,
-    max_tokens,
-    temperature,
-    top_p,
-):
-    messages = [{"role": "system", "content": system_message}]
+if torch.cuda.is_available():
+    device = torch.device("cuda")
+    print(f"Using GPU: {torch.cuda.get_device_name(device)}")
+else:
+    device = torch.device("cpu")
+    print("Using CPU")
 
-    for val in history:
-        if val[0]:
-            messages.append({"role": "user", "content": val[0]})
-        if val[1]:
-            messages.append({"role": "assistant", "content": val[1]})
+model = model.to(device)
 
-    messages.append({"role": "user", "content": message})
+# Dispatch Errors
 
-    response = ""
+@spaces.GPU(duration=60)
+def chat(message, history, temperature, do_sample, max_tokens):
+    # 定義 PTZ 控制助手的 prompt
+    prompt = (
+        "You are an assistant for controlling PTZ cameras.\n"
+        "When the user gives you a clear command, please JUST respond in the following format:\n"
+        "Camera:<camera_id>. Tracking_Target:<target_name> placement:<position>.\n"
+        "If multiple cameras are specified, provide separate lines for each camera.\n"
+        "The available placements are: top_left, top_middle, top_right, "
+        "center_left, center_middle, center_right, bottom_left, bottom_middle, bottom_right.\n"
+        "Default Values:\n"
+        "- camera_id: default\n"
+        "- tracking_target: default\n"
+        "- placement: center_middle\n"
+        "Rules for Defaults:\n"
+        "1. If the camera_id is not specified, use the default value `default`.\n"
+        "2. If the tracking_target is not specified, use the default value `default`.\n"
+        "3. If the position information is incomplete or not specified, default the placement to the middle position.\n"
+        "For example, if the user specifies 'top', interpret it as 'top_middle'.\n\n"
+        "Examples:\n"
+        "User: Please set camera 1 to track target A at bottom_right.\n"
+        "Assistant: Camera:1. Tracking_Target:A placement:bottom_right.\n\n"
+        "User: Please set camera 2 to track target B at top.\n"
+        "Assistant: Camera:2. Tracking_Target:B placement:top_middle.\n\n"
+        "User: Please set camera 3 to track target C.\n"
+        "Assistant: Camera:3. Tracking_Target:C placement:center_middle.\n\n"
+        "User: Please track target D at left.\n"
+        "Assistant: Camera:default. Tracking_Target:D placement:center_left.\n\n"
+        "User: Please control camera 4.\n"
+        "Assistant: Camera:4. Tracking_Target:default placement:center_middle.\n\n"
+        "User: Please start recording.\n"
+        "Assistant: Camera:default. Tracking_Target:default placement:center_middle.\n\n"
+        "User: Please set camera 2 and camera 3 to track target Kyle at bottom_right.\n"
+        "Assistant:\n"
+        "Camera:2. Tracking_Target:Kyle placement:bottom_right.\n"
+        "Camera:3. Tracking_Target:Kyle placement:bottom_right.\n\n"
+        "Now, respond to the following command:\n"
+    )
 
-    for message in client.chat_completion(
-        messages,
-        max_tokens=max_tokens,
-        stream=True,
+    chat = []
+    for item in history:
+        chat.append({"role": "user", "content": item[0]})
+        if item[1] is not None:
+            chat.append({"role": "assistant", "content": item[1]})
+    chat.append({"role": "user", "content": message})
+    
+    # 將 prompt 添加到消息的開頭
+    full_message = prompt + "\n" + tok.apply_chat_template(chat, tokenize=False, add_generation_prompt=True)
+    
+    model_inputs = tok([full_message], return_tensors="pt").to(device)
+    streamer = TextIteratorStreamer(
+        tok, timeout=20.0, skip_prompt=True, skip_special_tokens=True
+    )
+    generate_kwargs = dict(
+        model_inputs,
+        streamer=streamer,
+        max_new_tokens=max_tokens,
+        do_sample=True,
         temperature=temperature,
-        top_p=top_p,
-    ):
-        token = message.choices[0].delta.content
+        eos_token_id=terminators,
+    )
+
+    if temperature == 0:
+        generate_kwargs["do_sample"] = False
+
+    t = Thread(target=model.generate, kwargs=generate_kwargs)
+    t.start()
 
-        response += token
-        yield response
+    partial_text = ""
+    for new_text in streamer:
+        partial_text += new_text
+        yield partial_text
+
+    yield partial_text
 
 
-"""
-For information on how to customize the ChatInterface, peruse the gradio docs: https://www.gradio.app/docs/chatinterface
-"""
 demo = gr.ChatInterface(
-    respond,
+    fn=chat,
+    examples=[["Please set camera 2 to track target A at top."]],
+    additional_inputs_accordion=gr.Accordion(
+        label="⚙️ Parameters", open=False, render=False
+    ),
     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)",
+            minimum=0, maximum=1, step=0.1, value=0.9, label="Temperature", render=False
+        ),
+        gr.Checkbox(label="Sampling", value=True),
+        gr.Slider(
+            minimum=128,
+            maximum=4096,
+            step=1,
+            value=512,
+            label="Max new tokens",
+            render=False,
         ),
     ],
+    stop_btn="Stop Generation",
+    title="PTZ Camera Control Chat",
+    description="Now Running [microsoft/Phi-3-mini-128k-instruct](https://huggingface.co/microsoft/Phi-3-mini-128k-instruct) for PTZ camera control.",
 )
-
-
-if __name__ == "__main__":
-    demo.launch()
+demo.launch()