def _rendered(self):
self._rst = (getattr(self, '_rst', None) or
cache.get('post_%s_rendered' % self.id))
if self._rst is None:
self._rst = rstDocument(self.text)
cache.set('post_%s_rendered' % self.id, self._rst)
return self._rst
def validate_text(form, field):
rendered = rstDocument(field.data)
if not rendered.title:
raise ValidationError(_("Title is not set"))
