Method prepare_template

haystack/fields.py:187–214

Flattens an object for indexing. This loads a template (``search/indexes/{app_label}/{model_name}_{field_name}.txt``) and returns the result of rendering that template. ``object`` will be in its context.

(self, obj)

        return current_objects

    def prepare_template(self, obj):
        """
        Flattens an object for indexing.

        This loads a template
        (``search/indexes/{app_label}/{model_name}_{field_name}.txt``) and
        returns the result of rendering that template. ``object`` will be in
        its context.
        """
        if self.instance_name is None and self.template_name is None:
            raise SearchFieldError(
                "This field requires either its instance_name variable to be populated or an explicit template_name in order to load the correct template."
            )

        if self.template_name is not None:
            template_names = self.template_name

            if not isinstance(template_names, (list, tuple)):
                template_names = [template_names]
        else:
            app_label, model_name = get_model_ct_tuple(obj)
            template_names = [
                "search/indexes/%s/%s_%s.txt"
                % (app_label, model_name, self.instance_name)
            ]

        t = loader.select_template(template_names)
        return t.render({"object": obj})

    def convert(self, value):
        """