{"record":{"id":"e25b674a639acd4a","repo":"HKUDS/nanobot","slug":"channel-plugin-label-must-use-module-attribute","errorCode":null,"errorMessage":"channel plugin {label} must use 'module:attribute' syntax","messagePattern":"channel plugin (.+?) must use 'module:attribute' syntax","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"nanobot/channels/plugin.py","lineNumber":119,"sourceCode":"        module = importlib.import_module(module_name)\n        factory = getattr(module, attr_name, None)\n        if not callable(factory):\n            raise ImportError(\n                f\"Channel plugin '{self.name}' connector '{self.connector}' is not callable\"\n            )\n        connector = factory()\n        if not callable(getattr(connector, \"handle\", None)):\n            raise ImportError(\n                f\"Channel plugin '{self.name}' connector '{self.connector}' \"\n                \"does not provide handle()\"\n            )\n        return connector\n\n\ndef _target_parts(target: str, *, label: str) -> tuple[str, str]:\n    module_name, separator, attr_name = target.partition(\":\")\n    if not separator or not module_name or not attr_name:\n        raise ValueError(f\"channel plugin {label} must use 'module:attribute' syntax\")\n    if not all(part.isidentifier() for part in module_name.split(\".\")):\n        raise ValueError(f\"channel plugin {label} module must be an absolute import path\")\n    if not attr_name.isidentifier():\n        raise ValueError(f\"channel plugin {label} attribute must be a Python identifier\")\n    return module_name, attr_name\n\n\ndef has_channel_package(name: str) -> bool:\n    \"\"\"Return whether *name* owns a dependency-free package manifest.\"\"\"\n    if _CHANNEL_PACKAGE_NAME.fullmatch(name) is None:\n        return False\n    return files(\"nanobot.channels\").joinpath(name, \"manifest.py\").is_file()\n\n\n@lru_cache(maxsize=None)\ndef load_channel_package(name: str) -> ChannelPlugin | None:\n    \"\"\"Load one package manifest without importing its runtime.\"\"\"\n    if not has_channel_package(name):","sourceCodeStart":101,"sourceCodeEnd":137,"githubUrl":"https://github.com/HKUDS/nanobot/blob/42f37dc4c0e409eac7818a82d165c5f2757bc075/nanobot/channels/plugin.py#L101-L137","documentation":"Error \"channel plugin {label} must use 'module:attribute' syntax\" thrown in HKUDS/nanobot.","triggerScenarios":"Thrown at nanobot/channels/plugin.py:119 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"42f37dc4c0e409eac7818a82d165c5f2757bc075","analyzedAt":"2026-08-26T00:18:52.276Z","schemaVersion":2},"datasetVersion":"2026-08-26T04:18:47.238Z"}