{"record":{"id":"b62477d2c26d99b7","repo":"rohitg00/ai-engineering-from-scratch","slug":"unsupported-type-t-r","errorCode":null,"errorMessage":"unsupported type: {t!r}","messagePattern":"unsupported type: (.+?)","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"phases/19-capstone-projects/21-tool-registry-schema-validation/code/main.py","lineNumber":120,"sourceCode":"    def validate(self, name: str, args: Any) -> Ok | list[ValidationError]:\n        rec = self.get(name)\n        errors: list[ValidationError] = []\n        _walk(rec.schema, args, \"\", errors)\n        if errors:\n            return errors\n        return Ok()\n\n\ndef validate_schema_shape(schema: dict) -> None:\n    \"\"\"Reject schemas using keywords outside the supported subset.\"\"\"\n    if not isinstance(schema, dict):\n        raise ValueError(\"schema must be a dict\")\n    unknown = set(schema.keys()) - ALLOWED_KEYWORDS\n    if unknown:\n        raise ValueError(f\"unsupported schema keywords: {sorted(unknown)}\")\n    t = schema.get(\"type\")\n    if t is not None and t not in PRIMITIVE_TYPE_MAP:\n        raise ValueError(f\"unsupported type: {t!r}\")\n    enum_vals = schema.get(\"enum\")\n    if enum_vals is not None and not isinstance(enum_vals, list):\n        raise ValueError(\"enum must be a list\")\n    min_len = schema.get(\"minLength\")\n    if min_len is not None:\n        if isinstance(min_len, bool) or not isinstance(min_len, int) or min_len < 0:\n            raise ValueError(\"minLength must be a non-negative integer\")\n    max_len = schema.get(\"maxLength\")\n    if max_len is not None:\n        if isinstance(max_len, bool) or not isinstance(max_len, int) or max_len < 0:\n            raise ValueError(\"maxLength must be a non-negative integer\")\n    if min_len is not None and max_len is not None and min_len > max_len:\n        raise ValueError(\"minLength cannot be greater than maxLength\")\n    pattern = schema.get(\"pattern\")\n    if pattern is not None and not isinstance(pattern, str):\n        raise ValueError(\"pattern must be a string\")\n    props = schema.get(\"properties\")\n    if props is not None:","sourceCodeStart":102,"sourceCodeEnd":138,"githubUrl":"https://github.com/rohitg00/ai-engineering-from-scratch/blob/39ea8a1c6d0b61f071226eff7ede4d4105fed820/phases/19-capstone-projects/21-tool-registry-schema-validation/code/main.py#L102-L138","documentation":"Error \"unsupported type: {t!r}\" thrown in rohitg00/ai-engineering-from-scratch.","triggerScenarios":"Thrown at phases/19-capstone-projects/21-tool-registry-schema-validation/code/main.py:120 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":"39ea8a1c6d0b61f071226eff7ede4d4105fed820","analyzedAt":"2026-08-26T03:13:46.626Z","schemaVersion":2},"datasetVersion":"2026-08-26T07:17:17.940Z"}