def validate_tools()

in gemini/prompts/prompt_optimizer/vapo_lib.py [0:0]

• 46 lines of code
• 3 McCabe index (conditional complexity)

def validate_tools(spec: str) -> None:
    """Validates the tools specification."""
    # Define the JSON schema for validation
    schema = {
        "type": "object",
        "properties": {
            "tools": {
                "type": "array",
                "minItems": 1,  # Ensures that 'tools' is not an empty array
                "items": {
                    "type": "object",
                    "properties": {
                        "function_declarations": {
                            "type": "array",
                            # Ensures this is not an empty array
                            "minItems": 1,
                            "items": {
                                "type": "object",
                                "properties": {
                                    "name": {"type": "string"},
                                    "description": {"type": "string"},
                                    "parameters": {
                                        "type": "object",
                                        "properties": {
                                            "type": {"type": "string"},
                                            "properties": {"type": "object"},
                                            "required": {
                                                "type": "array",
                                                "items": {"type": "string"},
                                            },
                                        },
                                        "required": ["type", "properties"],
                                    },
                                },
                                "required": ["name", "description", "parameters"],
                            },
                        }
                    },
                    "required": ["function_declarations"],
                },
            }
        },
        "required": ["tools"],
    }

    json_spec = json.loads(spec)
    try:
        # Validate the JSON specification against the schema
        validate(instance=json_spec, schema=schema)
    except ValidationError as e:
        raise ValueError(f"Invalid Tools specification: {e}") from e