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__init__.py

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+import importlib.util
+import os
+import sys
+import json
+
+NODE_CLASS_MAPPINGS = {}
+NODE_DISPLAY_NAME_MAPPINGS = {}
+
+python = sys.executable
+
+def get_ext_dir(subpath=None, mkdir=False):
+    dir = os.path.dirname(__file__)
+    if subpath is not None:
+        dir = os.path.join(dir, subpath)
+
+    dir = os.path.abspath(dir)
+
+    if mkdir and not os.path.exists(dir):
+        os.makedirs(dir)
+    return dir
+
+def serialize(obj):
+    if isinstance(obj, (str, int, float, bool, list, dict, type(None))):
+        return obj
+    return str(obj)
+
+# 获取py目录路径
+py = get_ext_dir("py")
+
+# 遍历py目录中的所有.py文件
+files = os.listdir(py)
+all_nodes = {}
+
+for file in files:
+    if not file.endswith(".py"):
+        continue
+    name = os.path.splitext(file)[0]
+    
+    try:
+        # 将模块导入也放入try块中
+        imported_module = importlib.import_module(".py.{}".format(name), __name__)
+        
+        # 检查模块是否有必要的映射
+        if hasattr(imported_module, 'NODE_CLASS_MAPPINGS') and hasattr(imported_module, 'NODE_DISPLAY_NAME_MAPPINGS'):
+            NODE_CLASS_MAPPINGS = {**NODE_CLASS_MAPPINGS, **imported_module.NODE_CLASS_MAPPINGS}
+            NODE_DISPLAY_NAME_MAPPINGS = {**NODE_DISPLAY_NAME_MAPPINGS, **imported_module.NODE_DISPLAY_NAME_MAPPINGS}
+            
+            serialized_CLASS_MAPPINGS = {k: serialize(v) for k, v in imported_module.NODE_CLASS_MAPPINGS.items()}
+            serialized_DISPLAY_NAME_MAPPINGS = {k: serialize(v) for k, v in imported_module.NODE_DISPLAY_NAME_MAPPINGS.items()}
+            all_nodes[file] = {
+                "NODE_CLASS_MAPPINGS": serialized_CLASS_MAPPINGS, 
+                "NODE_DISPLAY_NAME_MAPPINGS": serialized_DISPLAY_NAME_MAPPINGS
+            }
+            print(f"✅ 成功加载节点文件: {file} (节点数: {len(imported_module.NODE_CLASS_MAPPINGS)})")
+        else:
+            print(f"⚠️  跳过文件 {file}: 没有节点映射定义")
+            
+    except ImportError as e:
+        print(f"❌ 导入失败 {file}: {str(e)}")
+        print(f"   -> 这可能是由于语法错误或缺少依赖导致的")
+    except AttributeError as e:
+        print(f"⚠️  属性错误 {file}: {str(e)}")
+        print(f"   -> 模块缺少必要的NODE_CLASS_MAPPINGS或NODE_DISPLAY_NAME_MAPPINGS")
+    except Exception as e:
+        print(f"❌ 加载错误 {file}: {str(e)}")
+        print(f"   -> 其他未知错误")
+
+print(f"\n📊 节点加载总结:")
+print(f"   - 总共扫描文件: {len([f for f in files if f.endswith('.py')])}")
+print(f"   - 成功加载文件: {len(all_nodes)}")
+print(f"   - 可用节点总数: {len(NODE_CLASS_MAPPINGS)}")
+if NODE_CLASS_MAPPINGS:
+    print(f"   - 节点列表: {list(NODE_CLASS_MAPPINGS.keys())}")
+
+# 定义web目录（如果需要前端资源）
+WEB_DIRECTORY = "./js"
+
+__all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS", "WEB_DIRECTORY"]