import difflib
import re
def no_special_chars(s):
return bool(re.match(r'\w+$', s))
def safe_str(s):
return s.encode('utf-8', errors='ignore').decode('utf-8')
def get_text_diff(old_text, new_text):
diff = difflib.unified_diff(
old_text.splitlines(), new_text.splitlines(), lineterm=""
)
return "\n".join(diff)
