def get_translatable_content(self):
        fields = (f for f in self._meta.fields
                  if isinstance(f, (models.CharField, models.TextField)) and
                     f.editable and not f.choices and
                     f.name not in self.translatable_content_excluded_fields)
        return dict(filter(itemgetter(1),
                           ((f.name, getattr(self, f.name)) for f in fields)))
Returns {field_name: field_contents} for translatable fields, where
dataset/ETHPy150Open divio/django-cms/cms/models/pluginmodel.py/CMSPlugin.get_translatable_content