Method print_list_lines

IPython/core/debugger.py:808–854

The printing (as opposed to the parsing part of a 'list' command.

(self, filename: str, first: int, last: int)

        return (bp_str, num, line)

    def print_list_lines(self, filename: str, first: int, last: int) -> None:
        """The printing (as opposed to the parsing part of a 'list'
        command."""
        toks: TokenStream = []
        try:
            if filename == "<string>" and hasattr(self, "_exec_filename"):
                filename = self._exec_filename

            for lineno in range(first, last + 1):
                line = linecache.getline(filename, lineno)
                if not line:
                    break

                assert self.curframe is not None

                if lineno == self.curframe.f_lineno:
                    bp, num, colored_line = self.__line_content(
                        filename, lineno, line, arrow=True
                    )
                    toks.extend(
                        [
                            bp,
                            (Token.LinenoEm, num),
                            (Token, " "),
                            # TODO: investigate Token.Line here
                            (Token, colored_line),
                        ]
                    )
                else:
                    bp, num, colored_line = self.__line_content(
                        filename, lineno, line, arrow=False
                    )
                    toks.extend(
                        [
                            bp,
                            (Token.Lineno, num),
                            (Token, " "),
                            (Token, colored_line),
                        ]
                    )

                self.lineno = lineno

            print(self.theme.format(toks), file=self.stdout)

        except KeyboardInterrupt:
            pass

    def do_skip_predicates(self, args):
        """