(self, v)
Override this method in a subclass to create a custom palette.

        You can safely assume that v is an integer in the range 0..M{n-1}
        where M{n} is the size of the palette.

        @param v: numerical index of the color to be retrieved
        @return: a 4-tuple containing the RGBA values
Override this method in a subclass to create a custom palette.
Override this method in a subclass to create a custom palette .
def _get(self, v):
        """Override this method in a subclass to create a custom palette.

        You can safely assume that v is an integer in the range 0..M{n-1}
        where M{n} is the size of the palette.

        @param v: numerical index of the color to be retrieved
        @return: a 4-tuple containing the RGBA values"""
        raise NotImplementedError("abstract class")
def _get ( self , v ) : raise NotImplementedError ( "abstract class" )