# ext/preprocessors.py # Copyright 2006-2025 the Mako authors and contributors # # This module is part of Mako and is released under # the MIT License: http://www.opensource.org/licenses/mit-license.php """preprocessing functions, used with the 'preprocessor' argument on Template, TemplateLookup""" import re def convert_comments(text): """preprocess old style comments. example: from mako.ext.preprocessors import convert_comments t = Template(..., preprocessor=convert_comments)""" return re.sub(r"(?<=\n)\s*#[^#]", "##", text)