<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_current_usersettings():
 """ Returns the current ``UserSettings`` based on the SITE_ID in the project's settings """

    USERSETTINGS_MODEL = get_usersettings_model()
    try:
        current_usersettings = USERSETTINGS_MODEL.objects.get_current()
    except USERSETTINGS_MODEL.DoesNotExist:
        current_usersettings = USERSETTINGS_MODEL.get_default()
    return current_usersettings