Method _invalid_metadata

tools/gyp/pylib/packaging/metadata.py:516–523

(
        self, msg: str, cause: Optional[Exception] = None
    )

        return cast(T, value)

    def _invalid_metadata(
        self, msg: str, cause: Optional[Exception] = None
    ) -> InvalidMetadata:
        exc = InvalidMetadata(
            self.raw_name, msg.format_map({"field": repr(self.raw_name)})
        )
        exc.__cause__ = cause
        return exc

    def _process_metadata_version(self, value: str) -> _MetadataVersion:
        # Implicitly makes Metadata-Version required.