Server side implementation for interactive entry edits

sia/util.py

@@ -1,3 +1,4 @@
+import datetime
 import xml.dom.minidom
 import xml.etree.ElementTree as ET
 from typing import Iterator, Optional
@@ -47,7 +48,7 @@ def pretty_print_element(elem: ET.Element, level: int = 0, max_line: int = 80) -
     parts = [f'{indent}<{tag}{attr_str}>']
     
     # Handle text content
-    if elem.text and elem.text.strip():
+    if elem.text and isinstance(elem.text, str) and elem.text.strip():
         text = elem.text
         if ']]>' in text:
             escaped = text.replace('&', '&amp;') \
@@ -66,4 +67,7 @@ def pretty_print_element(elem: ET.Element, level: int = 0, max_line: int = 80) -
             parts.append(f'{indent}    {child.tail}')
             
     parts.append(f'{indent}</{tag}>')
-    return '\n'.join(parts)
+    return '\n'.join(parts)
+
+def format_timestamp(timestamp: datetime) -> str:
+        return timestamp.strftime("%Y%m%d_%H%M%S_%f")[:-3]