options.py 文件源码

def get_formsets_with_inlines(self, request, obj=None):
        """
        Yields formsets and the corresponding inlines.
        """
        # We call get_formsets() [deprecated] and check if it triggers a
        # warning. If it does, then it's ours and we can safely ignore it, but
        # if it doesn't then it has been overridden so we must warn about the
        # deprecation.
        with warnings.catch_warnings(record=True) as w:
            warnings.simplefilter("always")
            formsets = self.get_formsets(request, obj)

        if len(w) != 1 or not issubclass(w[0].category, RemovedInDjango19Warning):
            warnings.warn(
                "ModelAdmin.get_formsets() is deprecated and will be removed in "
                "Django 1.9. Use ModelAdmin.get_formsets_with_inlines() instead.",
                RemovedInDjango19Warning, stacklevel=2
            )
            if formsets:
                zipped = zip(formsets, self.get_inline_instances(request, None))
                for formset, inline in zipped:
                    yield formset, inline
        else:
            for inline in self.get_inline_instances(request, obj):
                yield inline.get_formset(request, obj), inline