code: def get(self, name, *df):
          
          return self.provider(name).__get(name, *df)
docs: Get the value of a property by I{name}.
          @param name: The property name.
          @type name: str
          @param df: An optional value to be returned when the value
              is not set
          @type df: [1].
          @return: The stored value, or I{df[0]} if not set.
          @rtype: any