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| import gradio as gr | |
| import aiohttp | |
| import os | |
| import json | |
| from collections import deque | |
| import asyncio | |
| TOKEN = os.getenv("HUGGINGFACE_API_TOKEN") | |
| if not TOKEN: | |
| raise ValueError("API token is not set. Please set the HUGGINGFACE_API_TOKEN environment variable.") | |
| print(f"API Token: {TOKEN[:5]}...{TOKEN[-5:]}") # Check API token | |
| memory = deque(maxlen=10) | |
| async def test_api(): | |
| headers = {"Authorization": f"Bearer {TOKEN}"} | |
| async with aiohttp.ClientSession() as session: | |
| async with session.get("https://api-inference.huggingface.co/models/mistralai/Mistral-Nemo-Instruct-2407", headers=headers) as response: | |
| print(f"Test API response: {await response.text()}") | |
| async def respond( | |
| message, | |
| history: list[tuple[str, str]], | |
| system_message="AI Assistant Role", | |
| max_tokens=512, | |
| temperature=0.7, | |
| top_p=0.95, | |
| ): | |
| system_prefix = "System: Respond in the same language as the input (English, Korean, Chinese, Japanese, etc.)." | |
| full_system_message = f"{system_prefix}{system_message}" | |
| memory.append((message, None)) | |
| messages = [{"role": "system", "content": full_system_message}] | |
| for val in memory: | |
| if val[0]: | |
| messages.append({"role": "user", "content": val[0]}) | |
| if val[1]: | |
| messages.append({"role": "assistant", "content": val[1]}) | |
| headers = { | |
| "Authorization": f"Bearer {TOKEN}", | |
| "Content-Type": "application/json" | |
| } | |
| payload = { | |
| "model": "mistralai/Mistral-Nemo-Instruct-2407", | |
| "max_tokens": max_tokens, | |
| "temperature": temperature, | |
| "top_p": top_p, | |
| "messages": messages, | |
| "stream": True | |
| } | |
| try: | |
| async with aiohttp.ClientSession() as session: | |
| async with session.post("https://api-inference.huggingface.co/v1/chat/completions", headers=headers, json=payload) as response: | |
| print(f"Response status: {response.status}") | |
| if response.status != 200: | |
| error_text = await response.text() | |
| print(f"Error response: {error_text}") | |
| yield "An API response error occurred. Please try again." | |
| return | |
| response_text = "" | |
| async for chunk in response.content: | |
| if chunk: | |
| try: | |
| chunk_data = chunk.decode('utf-8') | |
| response_json = json.loads(chunk_data) | |
| if "choices" in response_json: | |
| content = response_json["choices"][0]["message"]["content"] | |
| response_text += content | |
| yield response_text | |
| except json.JSONDecodeError: | |
| continue | |
| if not response_text: | |
| yield "I apologize, but I couldn't generate a response. Please try again." | |
| except Exception as e: | |
| print(f"Exception occurred: {str(e)}") | |
| yield f"An error occurred: {str(e)}" | |
| memory[-1] = (message, response_text) | |
| async def chat(message, history, system_message, max_tokens, temperature, top_p): | |
| response = "" | |
| try: | |
| async for chunk in respond(message, history, system_message, max_tokens, temperature, top_p): | |
| response = chunk | |
| yield response | |
| except Exception as e: | |
| print(f"Chat function error: {str(e)}") | |
| yield f"An error occurred in the chat function: {str(e)}" | |
| theme = "Nymbo/Nymbo_Theme" | |
| css = """ | |
| footer { | |
| visibility: hidden; | |
| } | |
| """ | |
| demo = gr.ChatInterface( | |
| css=css, | |
| fn=chat, | |
| theme=theme, | |
| additional_inputs=[ | |
| gr.Textbox(value="AI Assistant Role", 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)"), | |
| ] | |
| ) | |
| if __name__ == "__main__": | |
| asyncio.run(test_api()) # Run API test | |
| demo.queue().launch(max_threads=20, show_error=True) |