241 lines
12 KiB
Python
241 lines
12 KiB
Python
# -*- coding:utf-8 -*-
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"""
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File union_llm_node.py
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Author silence
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Date 2025/9/5
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"""
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import os
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import requests
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import base64
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import mimetypes
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import torch
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import httpx
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import numpy as np
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from PIL import Image
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import folder_paths
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try:
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import scipy.io.wavfile as wavfile
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except ImportError:
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print("------------------------------------------------------------------------------------")
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print("Scipy 库未安装, 请运行: pip install scipy")
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print("------------------------------------------------------------------------------------")
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def handler_google_analytics(prompt: str, model_id: str, media_file_path: str, base_url: str, timeout: int):
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headers = {'accept': 'application/json'}
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files = {'prompt': (None, prompt), 'model_id': (None, model_id)}
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if media_file_path and os.path.exists(media_file_path):
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files['img_file'] = (os.path.basename(media_file_path), open(media_file_path, 'rb'),
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mimetypes.guess_type(media_file_path)[0] or 'application/octet-stream')
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if bool(media_file_path) and media_file_path.startswith("gs:"):
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files['img_url'] = (None, media_file_path)
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try:
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response = requests.post(f'{base_url}/api/llm/google/analysis', headers=headers, files=files,
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timeout=timeout)
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response.raise_for_status()
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resp_json = response.json()
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result = resp_json.get('data') if resp_json else None
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return result or f"API返回成功，但没有有效的 'data' 内容。 响应: {response.text}"
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except requests.RequestException as e:
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return f"Error calling Gemini API: {str(e)}"
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class LLMUionNode:
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MODELS = ['gemini-2.5-flash', 'gemini-2.5-pro', "gpt-4o-1120", "gpt-4.1"]
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ENVIRONMENTS = ["prod", "dev", "test"]
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ENV_URLS = {
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"prod": 'https://bowongai-prod--text-video-agent-fastapi-app.modal.run',
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"dev": 'https://bowongai-dev--text-video-agent-fastapi-app.modal.run',
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"test": 'https://bowongai-test--text-video-agent-fastapi-app.modal.run'
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}
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@classmethod
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def INPUT_TYPES(s):
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return {
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"required": {
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"model_name": (s.MODELS,),
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"prompt": ("STRING", {"multiline": True, "default": "", "placeholder": "请输入提示词"}),
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},
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"optional": {
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"video": ("*",),
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"image": ("IMAGE",),
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"audio": ("AUDIO",),
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"url": ("STRING", {"multiline": True, "default": None, "placeholder": "【可选】输入要分析的链接"}),
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"environment": (s.ENVIRONMENTS,),
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"timeout": ("INT", {"default": 300, "min": 10, "max": 1200}),
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}
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}
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RETURN_TYPES = ("STRING",)
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RETURN_NAMES = ("text",)
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FUNCTION = "execute"
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CATEGORY = "不忘科技-自定义节点🚩/LLM"
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def tensor_to_pil(self, tensor):
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if tensor is None:
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return None
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image_np = tensor[0].cpu().numpy()
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image_np = (image_np * 255).astype(np.uint8)
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return Image.fromarray(image_np)
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def save_pil_to_temp(self, pil_image):
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output_dir = folder_paths.get_temp_directory()
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(full_output_folder, filename, counter, _, _) = folder_paths.get_save_image_path("llm_temp_image", output_dir)
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filepath = os.path.join(full_output_folder, f"{filename}_{counter:05}.png")
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pil_image.save(filepath, 'PNG')
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return filepath
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def save_link_file(self, link_url: str, is_google: bool = False):
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def download_file(url):
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suffix = url.rsplit('.', 1)[-1]
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response = httpx.get(url, timeout=120)
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output_dir = folder_paths.get_temp_directory()
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(full_output_folder, filename, counter, _, _) = folder_paths.get_save_image_path("llm_temp_image",
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output_dir)
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filepath = os.path.join(full_output_folder, f"{filename}_{counter:05}.{suffix}")
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with open(filepath, 'wb') as f:
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f.write(response.content)
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return filepath
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link_url = link_url.strip()
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if is_google and link_url.startswith("gs:"):
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return link_url
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else:
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return download_file(link_url)
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def save_audio_tensor_to_temp(self, waveform_tensor, sample_rate):
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if 'wavfile' not in globals():
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raise ImportError("Scipy 库未安装。请在您的 ComfyUI 环境中运行 'pip install scipy' 来启用此功能。")
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waveform_np = waveform_tensor.cpu().numpy()
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if waveform_np.ndim == 3:
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waveform_np = waveform_np[0]
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waveform_np = waveform_np.T
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waveform_int16 = np.int16(waveform_np * 32767)
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output_dir = folder_paths.get_temp_directory()
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(full_output_folder, filename, counter, _, _) = folder_paths.get_save_image_path("llm_temp_audio", output_dir)
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filepath = os.path.join(full_output_folder, f"{filename}_{counter:05}.wav")
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wavfile.write(filepath, sample_rate, waveform_int16)
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print(f"音频张量已使用 Scipy 保存到临时文件: {filepath}")
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return filepath
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def handler_other_llm(self, model_name: str, prompt: str, media_path: str, timeout: int):
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messages_content = [{"type": "text", "text": prompt}]
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if media_path and os.path.exists(media_path):
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try:
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with open(media_path, "rb") as media_file:
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base64_media = base64.b64encode(media_file.read()).decode('utf-8')
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mime_type = mimetypes.guess_type(media_path)[0] or "application/octet-stream"
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data_url = f"data:{mime_type};base64,{base64_media}"
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messages_content.append({"type": "image_url", "image_url": {"url": data_url}})
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except Exception as e:
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return f"Error encoding media file: {str(e)}"
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json_payload = {"model": model_name, "messages": [{"role": "user", "content": messages_content}],
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"temperature": 0.7, "max_tokens": 4096}
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try:
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resp = requests.post("https://gateway.bowong.cc/chat/completions",
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headers={"Content-Type": "application/json",
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"Authorization": "Bearer auth-bowong7777"}, json=json_payload,
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timeout=timeout)
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resp.raise_for_status()
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resp_json = resp.json()
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if 'choices' in resp_json and resp_json['choices']:
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return resp_json['choices'][0]['message']['content']
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else:
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return f'Call LLM failed: {resp_json.get("error", {}).get("message", "LLM API returned no choices.")}'
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except requests.RequestException as e:
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return f"Error calling other LLM API: {str(e)}"
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def execute(self, model_name: str, prompt: str, environment: str = "prod",
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video: object = None, image: torch.Tensor = None, audio: object = None,
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url: str = None,
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timeout=300):
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base_url = self.ENV_URLS.get(environment, self.ENV_URLS["prod"])
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media_path = None
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url = url.strip()
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if video is not None:
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if 'gemini' not in model_name:
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raise ValueError(f'{model_name}暂不支持视频分析,\n请使用gemini-2.5-flash或者gemini-2.5-pro')
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print('多模态处理视频输入...')
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unwrapped_input = video[0] if isinstance(video, (list, tuple)) and video else video
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if hasattr(unwrapped_input, 'save_to'):
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try:
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output_dir = folder_paths.get_temp_directory()
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(full_output_folder, filename, counter, _, _) = folder_paths.get_save_image_path("llm_temp_video",
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output_dir)
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temp_video_path = os.path.join(full_output_folder, f"{filename}_{counter:05}.mp4")
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unwrapped_input.save_to(temp_video_path)
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if os.path.exists(temp_video_path):
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media_path = temp_video_path
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else:
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return (f"错误: 调用 save_to() 后文件未成功创建。",)
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except Exception as e:
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return (f"调用 save_to() 时出错: {e}",)
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elif isinstance(unwrapped_input, str):
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full_path = folder_paths.get_full_path("input", unwrapped_input)
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if full_path and os.path.exists(full_path):
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media_path = full_path
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else:
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return (f"错误: 无法在 'input' 文件夹中找到文件 '{unwrapped_input}'。",)
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elif image is not None:
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print('多模态处理图片输出...')
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pil_image = self.tensor_to_pil(image)
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media_path = self.save_pil_to_temp(pil_image)
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elif audio is not None:
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if 'gemini' not in model_name:
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raise ValueError(f'{model_name}暂不支持音频分析,\n请使用gemini-2.5-flash或者gemini-2.5-pro')
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print("多模态处理音频输入...")
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audio_info = audio[0] if isinstance(audio, (list, tuple)) and audio else audio
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if isinstance(audio_info, dict) and 'filename' in audio_info:
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filename = audio_info['filename']
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print(f"从音频对象中找到 'filename': '{filename}'")
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full_path = folder_paths.get_full_path("input", filename)
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if full_path and os.path.exists(full_path):
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media_path = full_path
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else:
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return (f"错误: 无法在 'input' 文件夹中找到文件 '{filename}'。",)
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elif isinstance(audio_info, dict) and 'waveform' in audio_info and 'sample_rate' in audio_info:
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print("从音频对象中找到 'waveform' 数据，正在使用 Scipy 保存为临时文件...")
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try:
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media_path = self.save_audio_tensor_to_temp(audio_info['waveform'], audio_info['sample_rate'])
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except Exception as e:
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return (f"错误: 保存音频张量时出错: {e}",)
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elif isinstance(audio_info, str):
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print(f"检测到音频输入为字符串，作为文件名处理: '{audio_info}'")
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full_path = folder_paths.get_full_path("input", audio_info)
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if full_path and os.path.exists(full_path):
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media_path = full_path
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else:
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return (f"错误: 无法在 'input' 文件夹中找到文件 '{audio_info}'。",)
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else:
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return (f"错误: 不支持的音频输入格式或结构。收到类型: {type(audio_info)}",)
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elif url:
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url = url.strip()
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model_name = model_name.strip()
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is_google = model_name.startswith('gemini')
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media_path = self.save_link_file(link_url=url, is_google=is_google)
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else:
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print("纯文本运行llm")
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if media_path:
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print(f"成功解析媒体文件路径: {media_path}")
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model_name = model_name.strip()
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if model_name.startswith('gemini'):
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result = handler_google_analytics(prompt, model_name, media_path, base_url=base_url, timeout=timeout)
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else:
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result = self.handler_other_llm(model_name, prompt, media_path, timeout=timeout)
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return (result,)
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# 节点映射
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NODE_CLASS_MAPPINGS = {"LLMUionNode": LLMUionNode}
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NODE_DISPLAY_NAME_MAPPINGS = {"LLMUionNode": "聚合LLM节点(视频/图像/音频)"}
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