def get_installed_pypackages():
    return {p.project_name.lower(): p for p in pkg_resources.working_set}
def __init__(self, schema_file: str):
        self._schema = artifact_utils.read_schema_file(schema_file)

        self._type_name, self._metric_fields = artifact_utils.parse_schema(
            self._schema)

        self._values = {}