def prepare_metadata_for_build_wheel(
            self, metadata_directory, config_settings=None):
        """Prepare a *.dist-info folder with metadata for this project.

        Returns the name of the newly created folder.

        If the build backend defines a hook with this name, it will be called
        in a subprocess. If not, the backend will be asked to build a wheel,
        and the dist-info extracted from that.
        """
        return self._call_hook('prepare_metadata_for_build_wheel', {
            'metadata_directory': abspath(metadata_directory),
            'config_settings': config_settings,
        })
Prepare a *.dist-info folder with metadata for this project.

        Returns the name of the newly created folder.

        If the build backend defines a hook with this name, it will be called
        in a subprocess. If not, the backend will be asked to build a wheel,
        and the dist-info extracted from that.
        
stackoverflow/venv/lib/python3.6/site-packages/pip-19.0.3-py3.6.egg/pip/_vendor/pep517/wrappers.py