初始提交，未完全测试

template/source/ISourceFactory.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python3.9
+# -*- coding: utf-8 -*-
+"""
+JFinal ISourceFactory - Source Factory Interface
+"""
+
+class ISourceFactory:
+    """Source factory interface for template loading"""
+    
+    def get_source(self, base_template_path: str, fileName: str, encoding: str):
+        """
+        Get source by file name
+        
+        Args:
+            base_template_path: Base template path
+            fileName: File name
+            encoding: Encoding
+            
+        Returns:
+            Source object
+        """
+        raise NotImplementedError("ISourceFactory.get_source() must be implemented by subclasses")