1 # -*- coding: utf-8 -*-
3 # This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
4 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
9 from django.template.loader import render_to_string
10 from django.utils.html import escape as html_escape
12 DIFF_RE = re.compile(r"""\x00([+^-])""", re.UNICODE)
13 NAMES = {'+': 'added', '-': 'removed', '^': 'changed'}
16 def diff_replace(match):
17 return """<span class="diff_mark diff_mark_%s">""" % NAMES[match.group(1)]
20 def filter_line(line):
21 return DIFF_RE.sub(diff_replace, html_escape(line)).replace('\x01', '</span>')
24 def html_diff_table(la, lb):
25 return render_to_string("wiki/diff_table.html", {
26 "changes": [(a[0], filter_line(a[1]), b[0], filter_line(b[1]), change)
27 for a, b, change in difflib._mdiff(la, lb)],
31 __all__ = ['html_diff_table']