def _validate_substructure()

in glean_parser/metrics.py [0:0]
34 lines of code
11 McCabe index (conditional complexity)

    def _validate_substructure(structure):
        extra = set(structure.keys()) - Object.ALLOWED_TOPLEVEL
        if extra:
            extra = ", ".join(extra)
            allowed = ", ".join(Object.ALLOWED_TOPLEVEL)
            raise ValueError(
                f"Found additional fields: {extra}. Only allowed: {allowed}"
            )

        if "type" not in structure:
            raise ValueError(
                f"missing `type` in object structure. Allowed: {Object.ALLOWED_TYPES}"
            )
        if structure["type"] not in Object.ALLOWED_TYPES:
            raise ValueError(
                "invalid `type` in object structure. found: {}, allowed: {}".format(
                    structure["type"], Object.ALLOWED_TYPES
                )
            )

        if structure["type"] == "object":
            if "items" in structure:
                raise ValueError("`items` not allowed in object structure")

            if "properties" not in structure:
                raise ValueError("`properties` missing for type `object`")

            for key in structure["properties"]:
                value = structure["properties"][key]
                structure["properties"][key] = Object._validate_substructure(value)

        if structure["type"] == "array":
            if "properties" in structure:
                raise ValueError("`properties` not allowed in array structure")

            if "items" not in structure:
                raise ValueError("`items` missing for type `array`")

            value = structure["items"]
            structure["items"] = Object._validate_substructure(value)

        return structure