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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"typedef only returns value if prefixed/imported type","articleBody":"Hi,\n\nI think there is an issue with the implement of the **typedef** function of the **Type** class.\n\nIf seems to only assume a \":\" will be present in the type, but from my understanding this will only be the case for type that are imported from another yang schema:\n\nhttps://github.com/CESNET/libyang-python/blob/3072af036386a6bb0fde285eba751e09a4948261/libyang/schema.py#L656-L662\n\nFor instance with this schema, my \"operation-status\" enumeration was not found properly.\n\n```yang\nmodule my_imported_module {\n    namespace \"urn:ietf:params:xml:ns:yang:my-imported-module\";\n    prefix \"my-imported-module\";\n\n    typedef operation-status {\n        type enumeration {\n            enum \"inactive\" {\n                description \"The operation is currently inactive and not running\";\n            }\n            enum \"active\" {\n                description \"The operation is currently active and running normally\";\n            }\n            enum \"pending\" {\n                description \"The operation is pending and waiting to be started\";\n            }\n            enum \"error\" {\n                description \"The operation has encountered an error and requires attention\";\n            }\n            enum \"maintenance\" {\n                description \"The operation is under maintenance and temporarily unavailable\";\n            }\n        }\n        description \"Enumeration representing the operational status of a service or component\";\n    }\n\n    grouping my-imported-container {\n        container my-imported-container {\n            leaf custom-leaf-config-true {\n                config true;\n                type string;\n            }\n            leaf custom-leaf-config-false {\n                config false;\n                type string;\n            }\n\n            leaf operation-status {\n                type operation-status;\n                description \"Requested operational status of this specific service instance in the container\";\n            }\n        }\n    }\n}\n\n```\n\n\nI had to do a \"double-pass\", with a search using the typedef first, then adding a search in the local module, like so:\n\n```python\n    def typedef(self) -\u003e YangTypedef:\n        external_typedef = self.type.typedef()\n        if external_typedef is not None:\n            return YangTypedef(external_typedef)\n\n        # There is a bug in default get_typedef: it only searches in external modules using a prefix\n        internal_typedef = self.type.module().get_typedef(self.type.name())\n        return YangTypedef(internal_typedef) if internal_typedef is not None else None\n```\n\nis my understanding correct ?","author":{"url":"https://github.com/Krisscut","@type":"Person","name":"Krisscut"},"datePublished":"2025-09-24T15:42:50.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/153/libyang-python/issues/153"}