first code

handlers/registry.py

@@ -0,0 +1,30 @@
+from typing import Dict,List
+from .base_handler import BaseHandler
+from .crypto_handler import CryptoHandler
+from services.crypto_service import CryptoService
+
+class HandlerRegistry:
+    """处理器注册中心"""
+    
+    def __init__(self):
+        self.handlers: Dict[str, BaseHandler] = {}
+        self._register_default_handlers()
+    
+    def _register_default_handlers(self):
+        """注册默认处理器"""
+        # 注册加密货币处理器
+        crypto_service = CryptoService()
+        crypto_handler = CryptoHandler(crypto_service)
+        self.register_handler(crypto_handler)
+    
+    def register_handler(self, handler: BaseHandler):
+        """注册处理器"""
+        self.handlers[handler.get_handler_name()] = handler
+    
+    def get_handler(self, handler_name: str) -> BaseHandler:
+        """获取处理器"""
+        return self.handlers.get(handler_name)
+    
+    def list_handlers(self) -> List[str]:
+        """列出所有可用的处理器"""
+        return list(self.handlers.keys())