调整版本并做测试

pyenjoy/template/TemplateException.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python3.9
+# -*- coding: utf-8 -*-
+"""
+JFinal TemplateException - Template Exception
+"""
+
+class TemplateException(Exception):
+    """Template runtime exception"""
+    
+    def __init__(self, message: str, location = None, cause: Exception = None):
+        """
+        Initialize template exception
+        
+        Args:
+            message: Error message
+            location: Error location (optional)
+            cause: Original exception (optional)
+        """
+        full_message = message
+        if location is not None:
+            full_message += str(location)
+        
+        super().__init__(full_message)
+        self._location = location
+        self._cause = cause
+    
+    @property
+    def location(self):
+        """Get error location"""
+        return self._location
+    
+    @property
+    def cause(self) -> Exception:
+        """Get original cause"""
+        return self._cause
+    
+    def __str__(self) -> str:
+        result = super().__str__()
+        if self._cause and self._cause != self:
+            result += f"\nCaused by: {self._cause}"
+        return result
+    
+    def __repr__(self) -> str:
+        return f"TemplateException(message={super().__repr__()}, location={self._location})"