def GetDefault(self, fd=None, default=None):
    """Returns a default attribute if it is not set."""
    if callable(self.default):
      return self.default(fd)

    if self.default is not None:
      # We can't return mutable objects here or the default might change for all
      # objects of this class.
      if isinstance(self.default, rdfvalue.RDFValue):
        default = self.default.Copy()
        default.attribute_instance = self
        return self(default)
      else:
        return self(self.default)

    if isinstance(default, rdfvalue.RDFValue):
      default = default.Copy()
      default.attribute_instance = self

    return default
def GetDefault ( self , fd = None , default = None ) : if callable ( self . default ) : return self . default ( fd ) if self . default is not None : if isinstance ( self . default , rdfvalue . RDFValue ) : default = self . default . Copy ( ) default . attribute_instance = self return self ( default ) else : return self ( self . default ) if isinstance ( default , rdfvalue . RDFValue ) : default = default . Copy ( ) default . attribute_instance = self return default
Returns a default attribute if it is not set.