api: don't escape result of event_display_template (#55220)

chrono/api/views.py

@@ -428,7 +428,9 @@ def get_event_text(event, agenda, day=None):
     event_text = force_text(event)
     if agenda.event_display_template:
         try:
-            event_text = Template(agenda.event_display_template).render(Context({'event': event}))
+            event_text = Template(agenda.event_display_template).render(
+                Context({'event': event}, autoescape=False)
+            )
         except (VariableDoesNotExist, TemplateSyntaxError):
             pass
     elif event.label and event.primary_event is not None:

tests/api/test_datetimes.py

@@ -584,7 +584,7 @@ def test_recurring_events_api(app, user, freezer):
     )
     base_event = Event.objects.create(
         slug='abc',
-        label='Test',
+        label="Rock'n roll",
         start_datetime=localtime(),
         recurrence_days=[localtime().weekday()],
         places=5,
@@ -596,7 +596,7 @@ def test_recurring_events_api(app, user, freezer):
     assert len(data) == 4
     assert data[0]['id'] == 'abc:2021-01-19-1305'
     assert data[0]['datetime'] == '2021-01-19 13:05:00'
-    assert data[0]['text'] == 'Test (Jan. 19, 2021, 1:05 p.m.)'
+    assert data[0]['text'] == "Rock'n roll (Jan. 19, 2021, 1:05 p.m.)"
     assert data[3]['id'] == 'abc:2021-02-09-1305'
     assert Event.objects.count() == 1
 
@@ -654,7 +654,7 @@ def test_recurring_events_api(app, user, freezer):
     agenda.event_display_template = '{{ event.label }} - {{ event.start_datetime }}'
     agenda.save()
     resp = app.get('/api/agenda/%s/datetimes/' % agenda.slug)
-    assert resp.json['data'][0]['text'] == 'Test - Jan. 19, 2021, 1:05 p.m.'
+    assert resp.json['data'][0]['text'] == "Rock'n roll - Jan. 19, 2021, 1:05 p.m."
 
 
 def test_recurring_events_api_various_times(app, user, mock_now):