463 lines
20 KiB
Python
463 lines
20 KiB
Python
import os
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import json
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import uuid
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import torch
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import numpy as np
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from PIL import Image
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import io
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import folder_paths
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from google import genai
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from google.genai import types
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import time
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import traceback
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import threading
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import queue
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import sys
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import importlib
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import subprocess
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import random
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def check_and_install_dependencies():
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required_packages = {
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'requests': 'requests',
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'pysocks': 'PySocks',
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}
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for module_name, package_name in required_packages.items():
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try:
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importlib.import_module(module_name)
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except ImportError:
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print(f"[WARNING] 未找到 {package_name}，尝试安装...")
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try:
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subprocess.check_call([sys.executable, "-m", "pip", "install", package_name])
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print(f"[INFO] 成功安装 {package_name}")
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except Exception as e:
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print(f"[ERROR] 安装 {package_name} 失败: {str(e)}")
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try:
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check_and_install_dependencies()
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except Exception as e:
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print(f"[WARNING] 检查依赖时出错: {str(e)}")
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class SSL_GeminiAPIKeyConfig:
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"api_key": ("STRING", {"multiline": False}),
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}
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}
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RETURN_TYPES = ("GEMINI_CONFIG",)
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RETURN_NAMES = ("config",)
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FUNCTION = "configure"
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CATEGORY = "💠SSL/API/Gemini"
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def configure(self, api_key):
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config = {"api_key": api_key}
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return (config,)
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class SSL_GeminiTextPrompt:
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"config": ("GEMINI_CONFIG",),
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"prompt": ("STRING", {"multiline": True}),
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"system_instruction": ("STRING", {"default": "You are a helpful AI assistant.", "multiline": True}),
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"model": (["gemini-1.0-pro", "gemini-exp-1206", "gemini-1.5-flash", "gemini-1.5-pro", "gemini-2.0-flash", "gemini-2.0-flash-lite-001", "gemini-2.0-flash-exp", "gemini-2.0-pro", "gemini-2.0-pro-exp-02-05"], {"default": "gemini-2.0-flash"}),
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"temperature": ("FLOAT", {"default": 1.0, "min": 0.0, "max": 1.0, "step": 0.01}),
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"top_p": ("FLOAT", {"default": 0.95, "min": 0.0, "max": 1.0, "step": 0.01}),
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"top_k": ("INT", {"default": 40, "min": 1, "max": 100, "step": 1}),
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"max_output_tokens": ("INT", {"default": 8192, "min": 1, "max": 8192, "step": 1}),
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"include_images": (["True", "False"], {"default": "True"}),
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},
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"optional": {
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"input_image": ("IMAGE",),
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"input_image_2": ("IMAGE",), # 添加第二个图像输入
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"use_proxy": (["False", "True"], {"default": "False"}),
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"proxy_host": ("STRING", {"default": "127.0.0.1"}),
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"proxy_port": ("INT", {"default": 7890, "min": 1, "max": 65535}),
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"use_seed": (["True", "False"], {"default": "True"}),
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"seed": ("INT", {"default": 0, "min": 0, "max": 2147483647}),
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}
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}
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RETURN_TYPES = ("STRING", "IMAGE", "INT")
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RETURN_NAMES = ("text", "image", "seed")
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FUNCTION = "generate"
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CATEGORY = "💠SSL/API/Gemini"
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def save_binary_file(self, data, mime_type):
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ext = ".bin"
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if mime_type == "image/png":
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ext = ".png"
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elif mime_type == "image/jpeg":
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ext = ".jpg"
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output_dir = folder_paths.get_output_directory()
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gemini_dir = os.path.join(output_dir, "gemini_outputs")
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os.makedirs(gemini_dir, exist_ok=True)
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file_name = os.path.join(gemini_dir, f"gemini_output_{uuid.uuid4()}{ext}")
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with open(file_name, "wb") as f:
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f.write(data)
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return file_name
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def generate_empty_image(self, width=64, height=64):
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empty_image = np.ones((height, width, 3), dtype=np.float32) * 0.2
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tensor = torch.from_numpy(empty_image).unsqueeze(0)
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return tensor
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def generate(self, config, prompt, system_instruction, model, temperature, top_p, top_k, max_output_tokens, include_images,
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input_image=None, input_image_2=None, use_proxy="False", proxy_host="127.0.0.1", proxy_port=7890,
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use_seed="True", seed=0):
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original_http_proxy = os.environ.get('HTTP_PROXY')
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original_https_proxy = os.environ.get('HTTPS_PROXY')
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original_http_proxy_lower = os.environ.get('http_proxy')
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original_https_proxy_lower = os.environ.get('https_proxy')
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print(f"[INFO] 开始生成，模型: {model}, 温度: {temperature}")
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# 改进的随机种子处理逻辑
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if use_seed == "True":
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# 如果种子为0，生成随机种子
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if seed == 0:
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# 使用当前时间戳和随机数组合生成种子，确保每次运行都不同
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current_time = int(time.time() * 1000)
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random_component = random.randint(0, 1000000)
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actual_seed = (current_time + random_component) % 2147483647
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print(f"[INFO] 生成随机种子: {actual_seed}")
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else:
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# 使用指定的种子值
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actual_seed = seed
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print(f"[INFO] 使用指定种子: {actual_seed}")
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# 设置随机种子
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random.seed(actual_seed)
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np.random.seed(actual_seed)
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torch.manual_seed(actual_seed)
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if torch.cuda.is_available():
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torch.cuda.manual_seed_all(actual_seed)
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else:
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actual_seed = None
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print("[INFO] 未使用种子")
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try:
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if use_proxy == "True":
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if not proxy_host.startswith(('http://', 'https://')):
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proxy_url = f"http://{proxy_host}:{proxy_port}"
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else:
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proxy_url = f"{proxy_host}:{proxy_port}"
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os.environ['HTTP_PROXY'] = proxy_url
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os.environ['HTTPS_PROXY'] = proxy_url
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os.environ['http_proxy'] = proxy_url
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os.environ['https_proxy'] = proxy_url
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os.environ['REQUESTS_CA_BUNDLE'] = ''
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print(f"[INFO] 已启用代理: {proxy_url}")
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print(f"[INFO] 初始化Gemini客户端")
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try:
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client_options = {}
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if use_proxy == "True":
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try:
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import google.api_core.http_client
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import google.auth.transport.requests
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try:
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import requests
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from requests.adapters import HTTPAdapter
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class ProxyAdapter(HTTPAdapter):
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def __init__(self, proxy_url, **kwargs):
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self.proxy_url = proxy_url
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super().__init__(**kwargs)
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def add_headers(self, request, **kwargs):
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super().add_headers(request, **kwargs)
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session = requests.Session()
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proxies = {
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"http": proxy_url,
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"https": proxy_url
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}
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session.proxies.update(proxies)
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adapter = ProxyAdapter(proxy_url, max_retries=3)
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session.mount('http://', adapter)
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session.mount('https://', adapter)
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session.verify = False
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http_client = google.api_core.http_client.RequestsHttpClient(session=session)
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client_options["http_client"] = http_client
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print(f"[INFO] 已使用requests库设置代理到HTTP客户端")
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except Exception as proxy_error:
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print(f"[WARNING] 设置HTTP客户端代理失败: {str(proxy_error)}")
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except ImportError as e:
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print(f"[WARNING] 导入Google API HTTP客户端库失败: {str(e)}")
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client = genai.Client(api_key=config["api_key"], **client_options)
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print(f"[INFO] Gemini客户端初始化成功")
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except Exception as e:
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print(f"[ERROR] Gemini客户端初始化失败: {str(e)}")
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return (f"Gemini客户端初始化失败: {str(e)}", self.generate_empty_image(), actual_seed if actual_seed is not None else 0)
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try:
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import socket
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test_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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test_socket.settimeout(5)
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test_host = "generativelanguage.googleapis.com"
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if use_proxy == "True":
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try:
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import socks
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test_socket = socks.socksocket()
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test_socket.set_proxy(socks.HTTP, proxy_host, proxy_port)
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test_socket.settimeout(5)
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except ImportError:
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print(f"[WARNING] 未安装PySocks库，无法通过代理测试连接")
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test_socket.connect((test_host, 443))
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test_socket.close()
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network_ok = True
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except Exception as e:
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network_ok = False
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print(f"[WARNING] 网络连接测试失败: {str(e)}")
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if use_proxy == "True":
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try:
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import subprocess
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cmd = f"curl -x {proxy_url} -s -o /dev/null -w '%{{http_code}}' https://{test_host}"
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try:
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result = subprocess.run(cmd, shell=True, capture_output=True, text=True, timeout=10)
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if result.returncode == 0 and result.stdout.strip() in ['200', '301', '302']:
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network_ok = True
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else:
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print(f"[WARNING] curl代理测试失败，状态码: {result.stdout.strip() if result.stdout else 'N/A'}")
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except Exception as curl_error:
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print(f"[WARNING] curl测试失败: {str(curl_error)}")
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except ImportError:
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pass
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contents = []
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# 处理输入图像
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images_to_process = []
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if input_image is not None:
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images_to_process.append(input_image)
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if input_image_2 is not None:
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images_to_process.append(input_image_2)
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# 如果有图像需要处理
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if images_to_process:
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try:
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img_parts = []
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for img in images_to_process:
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img_array = img[0].cpu().numpy()
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img_array = (img_array * 255).astype(np.uint8)
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pil_img = Image.fromarray(img_array)
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img_byte_arr = io.BytesIO()
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pil_img.save(img_byte_arr, format='PNG')
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img_bytes = img_byte_arr.getvalue()
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img_part = {"inline_data": {"mime_type": "image/png", "data": img_bytes}}
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img_parts.append(img_part)
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# 添加所有图像部分和文本部分
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contents = img_parts + [{"text": prompt}]
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except Exception as e:
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print(f"[ERROR] 处理输入图像时出错: {str(e)}")
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return (f"处理输入图像时出错: {str(e)}", self.generate_empty_image(), actual_seed if actual_seed is not None else 0)
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else:
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contents = prompt
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response_modalities = ["text"]
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if include_images == "True":
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response_modalities.append("image")
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generate_content_config = types.GenerateContentConfig(
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temperature=temperature,
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top_p=top_p,
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top_k=top_k,
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max_output_tokens=max_output_tokens,
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safety_settings=[
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types.SafetySetting(
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category="HARM_CATEGORY_HARASSMENT",
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threshold="BLOCK_NONE", # Block none
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),
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types.SafetySetting(
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category="HARM_CATEGORY_HATE_SPEECH",
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threshold="BLOCK_NONE", # Block none
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),
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types.SafetySetting(
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category="HARM_CATEGORY_SEXUALLY_EXPLICIT",
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threshold="BLOCK_NONE", # Block none
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),
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types.SafetySetting(
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category="HARM_CATEGORY_DANGEROUS_CONTENT",
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threshold="BLOCK_NONE", # Block none
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),
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],
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response_modalities=response_modalities,
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system_instruction=[
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types.Part.from_text(text=system_instruction),
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],
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)
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if use_seed == "True" and actual_seed is not None:
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try:
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generate_content_config.seed = actual_seed
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except Exception as seed_error:
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print(f"[WARNING] 无法设置种子到API请求: {str(seed_error)}")
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text_output = ""
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image_tensor = None
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try:
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print(f"[INFO] 发送API请求到Gemini")
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start_time = time.time()
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timeout = 30
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def api_call():
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try:
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api_response = client.models.generate_content(
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model=model,
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contents=contents,
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config=generate_content_config,
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)
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result_queue.put(("success", api_response))
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except Exception as e:
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print(f"[ERROR] API线程中出错: {str(e)}")
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result_queue.put(("error", e))
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result_queue = queue.Queue()
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api_thread = threading.Thread(target=api_call)
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api_thread.daemon = True
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api_thread.start()
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try:
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status, result = result_queue.get(timeout=timeout)
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elapsed_time = time.time() - start_time
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if status == "success":
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response = result
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print(f"[INFO] API请求成功完成，耗时: {elapsed_time:.2f}秒")
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else:
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print(f"[ERROR] API请求线程中出错，耗时: {elapsed_time:.2f}秒，错误: {str(result)}")
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error_str = str(result).lower()
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if any(term in error_str for term in ["timeout", "connection", "network", "socket", "连接", "网络"]):
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if not network_ok and use_proxy != "True":
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return (f"API请求失败: {str(result)}。网络连接测试失败，建议启用代理。", self.generate_empty_image(), actual_seed if actual_seed is not None else 0)
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raise result
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except queue.Empty:
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elapsed_time = time.time() - start_time
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print(f"[ERROR] API请求超时，已等待: {elapsed_time:.2f}秒")
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timeout_msg = f"Gemini API请求超时，已等待{timeout}秒。"
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if not network_ok:
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if use_proxy == "True":
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timeout_msg += f"网络连接测试失败，当前使用的代理({proxy_host}:{proxy_port})可能无效，请检查代理设置。"
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else:
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timeout_msg += "网络连接测试失败，建议启用代理。"
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else:
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timeout_msg += "网络连接测试成功，但API请求仍然超时，可能是服务器繁忙或请求内容过大。"
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return (timeout_msg, self.generate_empty_image(), actual_seed if actual_seed is not None else 0)
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print(f"[INFO] 收到API响应")
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if hasattr(response, 'candidates') and response.candidates:
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for part in response.candidates[0].content.parts:
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if hasattr(part, 'text') and part.text is not None:
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text_output += part.text
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elif hasattr(part, 'inline_data') and part.inline_data is not None:
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try:
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inline_data = part.inline_data
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mime_type = inline_data.mime_type
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data = inline_data.data
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image_path = self.save_binary_file(data, mime_type)
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img = Image.open(image_path)
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if img.mode != 'RGB':
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img = img.convert('RGB')
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img_array = np.array(img).astype(np.float32) / 255.0
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image_tensor = torch.from_numpy(img_array).unsqueeze(0)
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except Exception as e:
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print(f"[ERROR] 图像处理错误: {str(e)}")
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text_output += f"\n图像处理错误: {str(e)}"
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except Exception as e:
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print(f"[ERROR] API调用错误: {str(e)}")
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text_output = f"API调用错误: {str(e)}"
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if image_tensor is None:
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image_tensor = self.generate_empty_image()
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# if use_seed == "True" and actual_seed is not None:
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# seed_info = f"\n\n[种子信息: {actual_seed}]"
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# text_output += seed_info
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return (text_output, image_tensor, actual_seed if actual_seed is not None else 0)
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finally:
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if original_http_proxy:
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os.environ['HTTP_PROXY'] = original_http_proxy
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else:
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if 'HTTP_PROXY' in os.environ:
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os.environ.pop('HTTP_PROXY')
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if original_https_proxy:
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os.environ['HTTPS_PROXY'] = original_https_proxy
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else:
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if 'HTTPS_PROXY' in os.environ:
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os.environ.pop('HTTPS_PROXY')
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if original_http_proxy_lower:
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os.environ['http_proxy'] = original_http_proxy_lower
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else:
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if 'http_proxy' in os.environ:
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os.environ.pop('http_proxy')
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if original_https_proxy_lower:
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os.environ['https_proxy'] = original_https_proxy_lower
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else:
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if 'https_proxy' in os.environ:
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os.environ.pop('https_proxy')
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if 'REQUESTS_CA_BUNDLE' in os.environ:
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os.environ.pop('REQUESTS_CA_BUNDLE')
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try:
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import requests
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if hasattr(requests, 'Session'):
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clean_session = requests.Session()
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if hasattr(requests, 'session'):
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requests.session = lambda: clean_session
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except:
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pass
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NODE_CLASS_MAPPINGS = {
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"SSL_GeminiAPIKeyConfig": SSL_GeminiAPIKeyConfig,
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"SSL_GeminiTextPrompt": SSL_GeminiTextPrompt,
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}
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NODE_DISPLAY_NAME_MAPPINGS = {
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"SSL_GeminiAPIKeyConfig": "💠SSL Gemini API Key",
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"SSL_GeminiTextPrompt": "💠SSL Gemini Text Prompt",
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}
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