def __getattr__( self, aname ):
        """supported attributes by name are:
            - lineno - returns the line number of the exception text
            - col - returns the column number of the exception text
            - line - returns the line containing the exception text
        """
        if( aname == "lineno" ):
            return lineno( self.loc, self.pstr )
        elif( aname in ("col", "column") ):
            return col( self.loc, self.pstr )
        elif( aname == "line" ):
            return line( self.loc, self.pstr )
        else:
            raise AttributeError(aname)
supported attributes by name are:
            - lineno - returns the line number of the exception text
            - col - returns the column number of the exception text
            - line - returns the line containing the exception text
        
src/pkg_resources/_vendor/pyparsing.py