Setter method for auth, mapped from YANG variable /rbridge_id/snmp_server/user/auth (enumeration)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_auth is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_auth() directly.

def _set_auth(self, v, load=False):
    """
    Setter method for auth, mapped from YANG variable /rbridge_id/snmp_server/user/auth (enumeration)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_auth is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_auth() directly.
    """
    if hasattr(v, "_utype"):
      v = v._utype(v)
    try:
      t = YANGDynClass(v,base=RestrictedClassType(base_type=unicode,                                     restriction_type="dict_key",                                     restriction_arg={u'sha': {'value': 1}, u'noauth': {'value': 2}, u'md5': {'value': 0}},), default=unicode("noauth"), is_leaf=True, yang_name="auth", rest_name="auth", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Authorization protocol for username\n(Default=noauth)'}}, namespace='urn:brocade.com:mgmt:brocade-snmp', defining_module='brocade-snmp', yang_type='enumeration', is_config=True)
    except (TypeError, ValueError):
      raise ValueError({
          'error-string': """auth must be of a type compatible with enumeration""",
          'defined-type': "brocade-snmp:enumeration",
          'generated-type': """YANGDynClass(base=RestrictedClassType(base_type=unicode,                                     restriction_type="dict_key",                                     restriction_arg={u'sha': {'value': 1}, u'noauth': {'value': 2}, u'md5': {'value': 0}},), default=unicode("noauth"), is_leaf=True, yang_name="auth", rest_name="auth", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Authorization protocol for username\n(Default=noauth)'}}, namespace='urn:brocade.com:mgmt:brocade-snmp', defining_module='brocade-snmp', yang_type='enumeration', is_config=True)""",
        })

    self.__auth = t
    if hasattr(self, '_set'):
      self._set()