初始提交，未完全测试

proxy/ProxyClassLoader.py

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+#!/usr/bin/env python3.9
+# -*- coding: utf-8 -*-
+"""
+JFinal ProxyClassLoader - Dynamic Proxy Class Loader
+"""
+
+import importlib
+import sys
+from typing import Dict, Optional, Type
+from .ProxyClass import ProxyClass
+
+class ProxyClassLoader:
+    """Dynamic proxy class loader"""
+    
+    def __init__(self):
+        """Initialize proxy class loader"""
+        self._byte_code_map: Dict[str, bytes] = {}
+    
+    def load_proxy_class(self, proxy_class: ProxyClass) -> Type:
+        """
+        Load proxy class from byte code
+        
+        Args:
+            proxyClass: ProxyClass object with byte code
+            
+        Returns:
+            Loaded proxy class
+        """
+        # Add byte code to map
+        if proxy_class.byte_code:
+            for class_name, byte_code in proxy_class.byte_code.items():
+                if class_name not in self._byte_code_map:
+                    self._byte_code_map[class_name] = byte_code
+        
+        # Try to load the class
+        class_name = proxy_class.full_name
+        
+        # Check if already loaded
+        if class_name in sys.modules:
+            return sys.modules[class_name]
+        
+        try:
+            # For Python, we'll use dynamic import
+            # In a real implementation, this would use importlib or similar
+            loaded_class = self._dynamic_import(class_name, proxy_class)
+            return loaded_class
+        except (ImportError, AttributeError) as e:
+            raise RuntimeError(f"Error loading proxy class {class_name}: {e}")
+    
+    def _dynamic_import(self, class_name: str, proxy_class: ProxyClass) -> Type:
+        """
+        Dynamically import and create class from proxy class
+        
+        Args:
+            class_name: Full class name
+            proxyClass: ProxyClass object
+            
+        Returns:
+            Dynamically created class
+        """
+        # In Python, we can execute the source code and get the class
+        if proxy_class.source_code:
+            # Create a module
+            module_name = proxy_class.pkg
+            module_code = proxy_class.source_code
+            
+            # Execute the code in a new namespace
+            namespace = {}
+            try:
+                exec(module_code, namespace)
+                
+                # Find the class in the namespace
+                for name, obj in namespace.items():
+                    if isinstance(obj, type) and name == proxy_class.name:
+                        return obj
+                
+                raise RuntimeError(f"Class {proxy_class.name} not found in generated code")
+            except Exception as e:
+                raise RuntimeError(f"Error executing generated code: {e}")
+        else:
+            raise RuntimeError("No source code available for proxy class")
+    
+    def find_class(self, name: str) -> Optional[bytes]:
+        """
+        Find class byte code by name
+        
+        Args:
+            name: Full class name
+            
+        Returns:
+            Byte code or None if not found
+        """
+        return self._byte_code_map.get(name)
+    
+    def add_byte_code(self, name: str, byte_code: bytes):
+        """
+        Add byte code to the loader
+        
+        Args:
+            name: Full class name
+            byte_code: Class byte code
+        """
+        self._byte_code_map[name] = byte_code
+    
+    def remove_byte_code(self, name: str) -> Optional[bytes]:
+        """
+        Remove and return byte code
+        
+        Args:
+            name: Full class name
+            
+        Returns:
+            Removed byte code or None
+        """
+        return self._byte_code_map.pop(name, None)
+    
+    def clear(self):
+        """Clear all cached byte code"""
+        self._byte_code_map.clear()
+    
+    @property
+    def byte_code_count(self) -> int:
+        """Get number of cached byte codes"""
+        return len(self._byte_code_map)