subpackage_name: str,None :
Name of the subpackage to get the configuration. ‘*’ in
subpackage_name is handled as a wildcard.
subpackage_path: str :
If None, then the path is assumed to be the local path plus the
subpackage_name. If a setup.py file is not found in the
subpackage_path, then a default configuration is used.
parent_name: str :