def _set_src_host_any_sip(self, v, load=False):
    """
    Setter method for src_host_any_sip, mapped from YANG variable /ipv6_acl/ipv6/access_list/extended/seq/src_host_any_sip (union)
    If this variable is read-only (config: false) in the
    source YANG file, then _set_src_host_any_sip is considered as a private
    method. Backends looking to populate this variable should
    do so via calling thisObj._set_src_host_any_sip() 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'host': {'value': 2}, u'any': {'value': 1}},),RestrictedClassType(base_type=unicode, restriction_dict={'pattern': u'((:|[0-9a-fA-F]{0,4}):)([0-9a-fA-F]{0,4}:){0,5}((([0-9a-fA-F]{0,4}:)?(:|[0-9a-fA-F]{0,4}))|(((25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9])\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9])))(/(([0-9])|([0-9]{2})|(1[0-1][0-9])|(12[0-8])))'}),], is_leaf=True, yang_name="src-host-any-sip", rest_name="src-host-any-sip", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'cli-drop-node-name': None, u'cli-suppress-no': None, u'cli-incomplete-command': None}}, namespace='urn:brocade.com:mgmt:brocade-ipv6-access-list', defining_module='brocade-ipv6-access-list', yang_type='union', is_config=True)
    except (TypeError, ValueError):
      raise ValueError({
          'error-string': """src_host_any_sip must be of a type compatible with union""",
          'defined-type': "brocade-ipv6-access-list:union",
          'generated-type': """YANGDynClass(base=[RestrictedClassType(base_type=unicode,                                     restriction_type="dict_key",                                     restriction_arg={u'host': {'value': 2}, u'any': {'value': 1}},),RestrictedClassType(base_type=unicode, restriction_dict={'pattern': u'((:|[0-9a-fA-F]{0,4}):)([0-9a-fA-F]{0,4}:){0,5}((([0-9a-fA-F]{0,4}:)?(:|[0-9a-fA-F]{0,4}))|(((25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9])\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9]?[0-9])))(/(([0-9])|([0-9]{2})|(1[0-1][0-9])|(12[0-8])))'}),], is_leaf=True, yang_name="src-host-any-sip", rest_name="src-host-any-sip", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'cli-drop-node-name': None, u'cli-suppress-no': None, u'cli-incomplete-command': None}}, namespace='urn:brocade.com:mgmt:brocade-ipv6-access-list', defining_module='brocade-ipv6-access-list', yang_type='union', is_config=True)""",
        })

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