text: 
  from operator import attrgetter
  import pyangbind.lib.xpathhelper as xpathhelper
  from pyangbind.lib.yangtypes import RestrictedPrecisionDecimalType, RestrictedClassType, TypedListType
  from pyangbind.lib.yangtypes import YANGBool, YANGListType, YANGDynClass, ReferenceType
  from pyangbind.lib.base import PybindBase
  from decimal import Decimal
  from bitarray import bitarray
  import __builtin__
  import address
  class ipv6_config(PybindBase):
    """
    This class was auto-generated by the PythonClass plugin for PYANG
    from YANG module brocade-interface - based on the path /interface/fortygigabitethernet/ipv6/ipv6-config. Each member element of
    the container is represented as a class variable - with a specific
    YANG type.
    """
    __slots__ = ('_pybind_generated_by', '_path_helper', '_yang_name', '_rest_name', '_extmethods', '__address','__mtu',)
  
    _yang_name = 'ipv6-config'
    _rest_name = ''
  
    _pybind_generated_by = 'container'
  
    def __init__(self, *args, **kwargs):
  
      path_helper_ = kwargs.pop("path_helper", None)
      if path_helper_ is False:
        self._path_helper = False
      elif path_helper_ is not None and isinstance(path_helper_, xpathhelper.YANGPathHelper):
        self._path_helper = path_helper_
      elif hasattr(self, "_parent"):
        path_helper_ = getattr(self._parent, "_path_helper", False)
        self._path_helper = path_helper_
      else:
        self._path_helper = False
  
      extmethods = kwargs.pop("extmethods", None)
      if extmethods is False:
        self._extmethods = False
      elif extmethods is not None and isinstance(extmethods, dict):
        self._extmethods = extmethods
      elif hasattr(self, "_parent"):
        extmethods = getattr(self._parent, "_extmethods", None)
        self._extmethods = extmethods
      else:
        self._extmethods = False
      self.__mtu = YANGDynClass(base=RestrictedClassType(base_type=RestrictedClassType(base_type=long, restriction_dict={'range': ['0..4294967295']}, int_size=32), restriction_dict={'range': [u'1280..9018']}), default=RestrictedClassType(base_type=long, restriction_dict={'range': ['0..4294967295']}, int_size=32)(1500), is_leaf=True, yang_name="mtu", rest_name="mtu", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'cli-full-command': None, u'info': u'Set ipv6 mtu value to interface', u'callpoint': u'phy-intf-ipv6-cfg-cp'}}, namespace='urn:brocade.com:mgmt:brocade-ipv6-config', defining_module='brocade-ipv6-config', yang_type='uint32', is_config=True)
      self.__address = YANGDynClass(base=address.address, is_container='container', presence=False, yang_name="address", rest_name="address", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Configure/unconfigure IPv6 addresses on an Interface'}}, namespace='urn:brocade.com:mgmt:brocade-ipv6-config', defining_module='brocade-ipv6-config', yang_type='container', is_config=True)
  
      load = kwargs.pop("load", None)
      if args:
        if len(args) > 1:
          raise TypeError("cannot create a YANG container with >1 argument")
        all_attr = True
        for e in self._pyangbind_elements:
          if not hasattr(args[0], e):
            all_attr = False
            break
        if not all_attr:
          raise ValueError("Supplied object did not have the correct attributes")
        for e in self._pyangbind_elements:
          nobj = getattr(args[0], e)
          if nobj._changed() is False:
            continue
          setmethod = getattr(self, "_set_%s" % e)
          if load is None:
            setmethod(getattr(args[0], e))
          else:
            setmethod(getattr(args[0], e), load=load)
  
    def _path(self):
      if hasattr(self, "_parent"):
        return self._parent._path()+[self._yang_name]
      else:
        return [u'interface', u'fortygigabitethernet', u'ipv6', u'ipv6-config']
  
    def _rest_path(self):
      if hasattr(self, "_parent"):
        if self._rest_name:
          return self._parent._rest_path()+[self._rest_name]
        else:
          return self._parent._rest_path()
      else:
        return [u'interface', u'FortyGigabitEthernet', u'ipv6']
  
    def _get_address(self):
      """
      Getter method for address, mapped from YANG variable /interface/fortygigabitethernet/ipv6/ipv6_config/address (container)
      """
      return self.__address
        
    def _set_address(self, v, load=False):
      """
      Setter method for address, mapped from YANG variable /interface/fortygigabitethernet/ipv6/ipv6_config/address (container)
      If this variable is read-only (config: false) in the
      source YANG file, then _set_address is considered as a private
      method. Backends looking to populate this variable should
      do so via calling thisObj._set_address() directly.
      """
      if hasattr(v, "_utype"):
        v = v._utype(v)
      try:
        t = YANGDynClass(v,base=address.address, is_container='container', presence=False, yang_name="address", rest_name="address", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Configure/unconfigure IPv6 addresses on an Interface'}}, namespace='urn:brocade.com:mgmt:brocade-ipv6-config', defining_module='brocade-ipv6-config', yang_type='container', is_config=True)
      except (TypeError, ValueError):
        raise ValueError({
            'error-string': """address must be of a type compatible with container""",
            'defined-type': "container",
            'generated-type': """YANGDynClass(base=address.address, is_container='container', presence=False, yang_name="address", rest_name="address", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Configure/unconfigure IPv6 addresses on an Interface'}}, namespace='urn:brocade.com:mgmt:brocade-ipv6-config', defining_module='brocade-ipv6-config', yang_type='container', is_config=True)""",
          })
  
      self.__address = t
      if hasattr(self, '_set'):
        self._set()
  
    def _unset_address(self):
      self.__address = YANGDynClass(base=address.address, is_container='container', presence=False, yang_name="address", rest_name="address", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'info': u'Configure/unconfigure IPv6 addresses on an Interface'}}, namespace='urn:brocade.com:mgmt:brocade-ipv6-config', defining_module='brocade-ipv6-config', yang_type='container', is_config=True)
  
  
    def _get_mtu(self):
      """
      Getter method for mtu, mapped from YANG variable /interface/fortygigabitethernet/ipv6/ipv6_config/mtu (uint32)
      """
      return self.__mtu
        
    def _set_mtu(self, v, load=False):
      """
      Setter method for mtu, mapped from YANG variable /interface/fortygigabitethernet/ipv6/ipv6_config/mtu (uint32)
      If this variable is read-only (config: false) in the
      source YANG file, then _set_mtu is considered as a private
      method. Backends looking to populate this variable should
      do so via calling thisObj._set_mtu() directly.
      """
      if hasattr(v, "_utype"):
        v = v._utype(v)
      try:
        t = YANGDynClass(v,base=RestrictedClassType(base_type=RestrictedClassType(base_type=long, restriction_dict={'range': ['0..4294967295']}, int_size=32), restriction_dict={'range': [u'1280..9018']}), default=RestrictedClassType(base_type=long, restriction_dict={'range': ['0..4294967295']}, int_size=32)(1500), is_leaf=True, yang_name="mtu", rest_name="mtu", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'cli-full-command': None, u'info': u'Set ipv6 mtu value to interface', u'callpoint': u'phy-intf-ipv6-cfg-cp'}}, namespace='urn:brocade.com:mgmt:brocade-ipv6-config', defining_module='brocade-ipv6-config', yang_type='uint32', is_config=True)
      except (TypeError, ValueError):
        raise ValueError({
            'error-string': """mtu must be of a type compatible with uint32""",
            'defined-type': "uint32",
            'generated-type': """YANGDynClass(base=RestrictedClassType(base_type=RestrictedClassType(base_type=long, restriction_dict={'range': ['0..4294967295']}, int_size=32), restriction_dict={'range': [u'1280..9018']}), default=RestrictedClassType(base_type=long, restriction_dict={'range': ['0..4294967295']}, int_size=32)(1500), is_leaf=True, yang_name="mtu", rest_name="mtu", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'cli-full-command': None, u'info': u'Set ipv6 mtu value to interface', u'callpoint': u'phy-intf-ipv6-cfg-cp'}}, namespace='urn:brocade.com:mgmt:brocade-ipv6-config', defining_module='brocade-ipv6-config', yang_type='uint32', is_config=True)""",
          })
  
      self.__mtu = t
      if hasattr(self, '_set'):
        self._set()
  
    def _unset_mtu(self):
      self.__mtu = YANGDynClass(base=RestrictedClassType(base_type=RestrictedClassType(base_type=long, restriction_dict={'range': ['0..4294967295']}, int_size=32), restriction_dict={'range': [u'1280..9018']}), default=RestrictedClassType(base_type=long, restriction_dict={'range': ['0..4294967295']}, int_size=32)(1500), is_leaf=True, yang_name="mtu", rest_name="mtu", parent=self, path_helper=self._path_helper, extmethods=self._extmethods, register_paths=True, extensions={u'tailf-common': {u'cli-full-command': None, u'info': u'Set ipv6 mtu value to interface', u'callpoint': u'phy-intf-ipv6-cfg-cp'}}, namespace='urn:brocade.com:mgmt:brocade-ipv6-config', defining_module='brocade-ipv6-config', yang_type='uint32', is_config=True)
  
    address = __builtin__.property(_get_address, _set_address)
    mtu = __builtin__.property(_get_mtu, _set_mtu)
  
  
    _pyangbind_elements = {'address': address, 'mtu': mtu, }
  
  
  