def METHOD_NAME(self):
    """ Get completeness of osm data
    :return: percentage of completeness
    :rtype: int
    """
    total = 0
    completed = 0
    for meta_field in LocalityOSM._meta.get_fields():
        field = meta_field.name
        total += 1
        if self._meta.get_field(field).get_internal_type() == 'CharField':
            if getattr(self, field):
                completed += 1
    return float(completed * 100 / total)