@classmethod
def build(cls, **kwargs):
    """Build the dict, set the object attribut and return it."""
    ret = dict()
    attributs = cls._clean_attr()
    for one_attribut in attributs:
        if one_attribut in kwargs:
            value = kwargs[one_attribut]
        else:
            value = getattr(cls, one_attribut)
        ret.update({one_attribut: value})
    return ret
