fixes #19988, allow html in ordinal for humanize

django/contrib/humanize/templatetags/humanize.py

@@ -8,11 +8,13 @@ from django.conf import settings
 from django.template import defaultfilters
 from django.utils.encoding import force_text
 from django.utils.formats import number_format
+from django.utils.safestring import mark_safe
 from django.utils.translation import pgettext, ungettext, ugettext as _
 from django.utils.timezone import is_aware, utc
 
 register = template.Library()
 
+
 @register.filter(is_safe=True)
 def ordinal(value):
     """
@@ -24,9 +26,11 @@ def ordinal(value):
     except (TypeError, ValueError):
         return value
     suffixes = (_('th'), _('st'), _('nd'), _('rd'), _('th'), _('th'), _('th'), _('th'), _('th'), _('th'))
-    if value % 100 in (11, 12, 13): # special case
-        return "%d%s" % (value, suffixes[0])
-    return "%d%s" % (value, suffixes[value % 10])
+    if value % 100 in (11, 12, 13):  # special case
+        return mark_safe("%d%s" % (value, suffixes[0]))
+    # Mark value safe so i18n does not break with <sup> or <sub> see #19988
+    return mark_safe("%d%s" % (value, suffixes[value % 10]))
+
 
 @register.filter(is_safe=True)
 def intcomma(value, use_l10n=True):
@@ -97,6 +101,7 @@ intword_converters = (
     )),
 )
 
+
 @register.filter(is_safe=False)
 def intword(value):
     """
@@ -130,6 +135,7 @@ def intword(value):
             return _check_for_i18n(new_value, *converters(new_value))
     return value
 
+
 @register.filter(is_safe=True)
 def apnumber(value):
     """
@@ -144,6 +150,7 @@ def apnumber(value):
         return value
     return (_('one'), _('two'), _('three'), _('four'), _('five'), _('six'), _('seven'), _('eight'), _('nine'))[value-1]
 
+
 # Perform the comparison in the default time zone when USE_TZ = True
 # (unless a specific time zone has been applied with the |timezone filter).
 @register.filter(expects_localtime=True)
@@ -172,6 +179,7 @@ def naturalday(value, arg=None):
         return _('yesterday')
     return defaultfilters.date(value, arg)
 
+
 # This filter doesn't require expects_localtime=True because it deals properly
 # with both naive and aware datetimes. Therefore avoid the cost of conversion.
 @register.filter
@@ -180,7 +188,7 @@ def naturaltime(value):
     For date and time values shows how many seconds, minutes or hours ago
     compared to current timestamp returns representing string.
     """
-    if not isinstance(value, date): # datetime is a subclass of date
+    if not isinstance(value, date):  # datetime is a subclass of date
         return value
 
     now = datetime.now(utc if is_aware(value) else None)

django/contrib/humanize/tests.py

@@ -28,6 +28,7 @@ from i18n import TransRealMixin
 
 now = datetime.datetime(2012, 3, 9, 22, 30)
 
+
 class MockDateTime(datetime.datetime):
     @classmethod
     def now(self, tz=None):
@@ -40,11 +41,11 @@ class MockDateTime(datetime.datetime):
 
 class HumanizeTests(TransRealMixin, TestCase):
 
-    def humanize_tester(self, test_list, result_list, method):
+    def humanize_tester(self, test_list, result_list, method, normalize_result_func=escape):
         for test_content, result in zip(test_list, result_list):
             t = Template('{%% load humanize %%}{{ test_content|%s }}' % method)
             rendered = t.render(Context(locals())).strip()
-            self.assertEqual(rendered, escape(result),
+            self.assertEqual(rendered, normalize_result_func(result),
                              msg="%s test failed, produced '%s', should've produced '%s'" % (method, rendered, result))
 
     def test_ordinal(self):
@@ -58,6 +59,19 @@ class HumanizeTests(TransRealMixin, TestCase):
         with translation.override('en'):
             self.humanize_tester(test_list, result_list, 'ordinal')
 
+    def test_i18n_html_ordinal(self):
+        """Allow html in output on i18n strings"""
+        test_list = ('1', '2', '3', '4', '11', '12',
+                     '13', '101', '102', '103', '111',
+                     'something else', None)
+        result_list = ('1<sup>er</sup>', '2<sup>e</sup>', '3<sup>e</sup>', '4<sup>e</sup>',
+                       '11<sup>e</sup>', '12<sup>e</sup>', '13<sup>e</sup>', '101<sup>er</sup>',
+                       '102<sup>e</sup>', '103<sup>e</sup>', '111<sup>e</sup>', 'something else',
+                       'None')
+
+        with translation.override('fr-fr'):
+            self.humanize_tester(test_list, result_list, 'ordinal', lambda x: x)
+
     def test_intcomma(self):
         test_list = (100, 1000, 10123, 10311, 1000000, 1234567.25,
                      '100', '1000', '10123', '10311', '1000000', '1234567.1234567', Decimal('1234567.1234567'),