admin.py 文件源码

def export_action(self, request):
        response = HttpResponse(content_type='application/json')
        response['Content-Disposition'] = 'attachment; filename=templatemodel_export.json'

        items = [{
            'name': t.name,
            'layout': t.layout,
            'subject': t.subject,
            'body': t.body,
            'version': t.version,
            'enabled': t.enabled,
            'has_errors': t.has_errors,
            'created_at': t.created_at,
            'updated_at': t.updated_at,
            'history': [{
                'layout': h.layout,
                'subject': h.subject,
                'body': h.body,
                'version': h.version,
                'archived_at': h.archived_at,
            } for h in t.history.all()]
        } for t in TemplateModel.objects.all()]

        json.dump(items, response, cls=DjangoJSONEncoder, indent=2, sort_keys=True)
        return response