How to get key config list in Blender Python

This is a part of the project “Easy Keymap Generator”.

GOAL

To get the key config list in my addon. The list of key configs can be seen in Preferences window.

Environment

Blender 2.83 (Python 3.7.4)
Windows 10

Method

Get the list directly from the preset directories.
Related article: How to get preset paths in Blender Python

def get_keyconfigs():
    """
    :return: dict{kerconfig_name(str): path to config file(str)}
    """
    config_pathes = bpy.utils.preset_paths("keyconfig")
    config_dict = {}
    for config_path in config_pathes:
        for file in os.listdir(config_path):
            name, ext = os.path.splitext(file)
            if ext.lower() in [".py", ".xml"] and not name[0] == ".":
                config_dict[name] = os.path.join(config_path, file)
    return config_dict

print(key_config_dict.keys())
#output => dict_keys(['blender', 'blender_27x', 'industry_compatible', 'test1', 'test2'])