참고소스 수정본

참고/guardrails-main/guardrails/utils/xml_utils.py

@@ -0,0 +1,37 @@
+from typing import Optional, Union, cast
+
+
+# TODO: Remove after DataTypes and ValidatorsAttr is removed
+def cast_xml_to_string(xml_value: Union[memoryview, bytes, bytearray, str]) -> str:
+    """Cast XML value to a string.
+
+    Args:
+        xml_value (Union[memoryview, bytes, bytearray, str]): The XML value to cast.
+
+    Returns:
+        str: The XML value as a string.
+    """
+    return cast(str, xml_to_string(xml_value))
+
+
+def xml_to_string(
+    xml: Optional[Union[memoryview, bytes, bytearray, str]],
+) -> Optional[str]:
+    """Convert XML value to a string.
+
+    Args:
+        xml_value (Union[memoryview, bytes, bytearray, str]): The XML value to cast.
+
+    Returns:
+        str: The XML value as a string.
+    """
+    if xml is None:
+        return None
+
+    string = xml
+    if isinstance(xml, memoryview):
+        string = xml.tobytes().decode()
+    elif isinstance(xml, (bytes, bytearray)):
+        string = xml.decode()
+
+    return cast(str, string)