interactiveshell.py 文件源码

def showsyntaxerror(self, filename=None):
        """Display the syntax error that just occurred.

        This doesn't display a stack trace because there isn't one.

        If a filename is given, it is stuffed in the exception instead
        of what was there before (because Python's parser always uses
        "<string>" when reading from a string).
        """
        etype, value, last_traceback = self._get_exc_info()

        if filename and issubclass(etype, SyntaxError):
            try:
                value.filename = filename
            except:
                # Not the format we expect; leave it alone
                pass

        stb = self.SyntaxTB.structured_traceback(etype, value, [])
        self._showtraceback(etype, value, stb)

    # This is overridden in TerminalInteractiveShell to show a message about
    # the %paste magic.