Delete utilities.py

utilities.py

@@ -1,20 +0,0 @@
-import wikipedia
-import re
-
-def clean_and_truncate(text, max_chars=2000):
-    """Clean text and truncate to avoid excessive length."""
-    text = re.sub(r'\n{2,}', '\n', text)  # remove extra newlines
-    return text[:max_chars] + ("..." if len(text) > max_chars else "")
-
-def extract_year_range(text, start_year, end_year):
-    """Extract only content that mentions years in a certain range."""
-    pattern = rf"\b(19[0-9]{{2}}|20[0-2][0-9])\b"
-    matches = re.finditer(pattern, text)
-    filtered_paragraphs = []
-    for match in matches:
-        year = int(match.group())
-        if start_year <= year <= end_year:
-            # capture paragraph
-            para = text[max(0, text.rfind('\n', 0, match.start())) : text.find('\n', match.end())]
-            filtered_paragraphs.append(para.strip())
-    return "\n\n".join(filtered_paragraphs)