external.py 文件源码

def display_source_ipython(self):
        """
        Convenience method to print the loaded source file
        as syntax highlighted HTML within IPython.
        """
        from pygments import highlight
        from pygments.lexers import SLexer

        from pygments.formatters import HtmlFormatter
        import IPython.display as display

        with open(self.source_file) as f:
            code = f.read()

        formatter = HtmlFormatter()
        return display.HTML('<style type="text/css">{}</style>{}'.format(
            formatter.get_style_defs('.highlight'),
            highlight(code, SLexer(), formatter)))