get joined base filter and current active filter for query

def _get_list_widget(
        self,
        filters,
        actions=None,
        order_column="",
        order_direction="",
        page=None,
        page_size=None,
        widgets=None,
        **args
    ):

        """ get joined base filter and current active filter for query """
        widgets = widgets or {}
        actions = actions or self.actions
        page_size = page_size or self.page_size
        if not order_column and self.base_order:
            order_column, order_direction = self.base_order
        joined_filters = filters.get_joined_filters(self._base_filters)
        count, lst = self.datamodel.query(
            joined_filters,
            order_column,
            order_direction,
            page=page,
            page_size=page_size,
        )
        pks = self.datamodel.get_keys(lst)

        # serialize composite pks
        pks = [self._serialize_pk_if_composite(pk) for pk in pks]

        widgets["list"] = self.list_widget(
            label_columns=self.label_columns,
            include_columns=self.list_columns,
            value_columns=self.datamodel.get_values(lst, self.list_columns),
            order_columns=self.order_columns,
            formatters_columns=self.formatters_columns,
            page=page,
            page_size=page_size,
            count=count,
            pks=pks,
            actions=actions,
            filters=filters,
            modelview_name=self.__class__.__name__,
        )
        return widgets