Method readline

recipes/Python/578138_gprof2dotpy/recipe-578138.py:635–642

(self)

        self.line_no = 0

    def readline(self):
        line = self._file.readline()
        if not line:
            self.__line = ''
            self.__eof = True
        else:
            self.line_no += 1
        self.__line = line.rstrip('\r\n')

    def lookahead(self):
        assert self.__line is not None