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you can use resources.ModelResource from import_export packages.
example: Book have author field, a foreign key from Author model.
in admin.py you can add BookResource
class BookResource(resources.ModelResource):
class Meta:
model = Book
fields = ('title', 'description', 'author__name', 'year')
and need to add resource_class in BookAdmin
class BookAdmin(ExportActionMixin, admin.ModelAdmin):
resource_class = BookResource
list_display = ('title', 'description', 'author', 'year')
hope this help