renderer.py 文件源码

def regions(self, item, inherit_from=None, regions=Regions):
        """regions(self, item, *, inherit_from=None, regions=Regions)
        Return a ``Regions`` instance which lazily wraps the
        ``contents_for_item`` call. This is especially useful in conjunction
        with the ``render_region`` template tag. The ``inherit_from`` argument
        is directly forwarded to ``contents_for_item`` to allow regions with
        inherited content.
        """
        return regions(
            item=item,
            contents=SimpleLazyObject(
                lambda: contents_for_item(item, self.plugins(), inherit_from)
            ),
            renderer=self,
        )