def s_MEMBERNAME(self, value):
    membername = self.data.get(MEMBERNAME, None)
    if isinstance(membername, basestring):
        membername = [membername]
    return membername
def s_MEMBERNAME(self, value):
    membername = self.data.get(MEMBERNAME, None)
    if isinstance(membername, basestring):
        membername = [membername]
    return membername