Function _validate_values

scrapy/utils/conf.py:52–59

Fail if a value in the components dict is not a real number or None.

(compdict: Mapping[Any, Any])

        return {convert(k): v for k, v in compdict.items()}

    def _validate_values(compdict: Mapping[Any, Any]) -> None:
        """Fail if a value in the components dict is not a real number or None."""
        for name, value in compdict.items():
            if value is not None and not isinstance(value, numbers.Real):
                raise ValueError(
                    f"Invalid value {value} for component {name}, "
                    "please provide a real number or None instead"
                )

    _validate_values(compdict)
    compdict = without_none_values(_map_keys(compdict))