How to use the runestone.video.video.Video function in runestone

def run(self):
        """
        process the video directive and generate html for output.
        :param self:
        :return:
        """
        super(Video, self).run()
        addQuestionToDB(self)

        mimeMap = {"mov": "mp4", "webm": "webm", "m4v": "m4v"}

        sources = [
            SOURCE % (directives.uri(line), mimeMap[line[line.rindex(".") + 1 :]])
            for line in self.content
        ]
        if "controls" in self.options:
            self.options["controls"] = "controls"
        if "loop" in self.options:
            self.options["loop"] = "loop"
        else:
            self.options["loop"] = ""

        if "preload" in self.options:

.. video:: divid
   :controls:
   :thumb: _static/turtlestill.png
   :loop:

   http://knuth.luther.edu/~bmiller/foo.mov
   http://knuth.luther.edu/~bmiller/foo.webm

This is some more text.
"""

if __name__ == "__main__":
    from docutils.core import publish_parts

    directives.register_directive("video", Video)

    doc_parts = publish_parts(
        source,
        settings_overrides={"output_encoding": "utf8", "initial_header_level": 2},
        writer_name="html",
    )

    print(doc_parts["html_body"])

def setup(app):
    app.add_directive("video", Video)
    app.add_directive("youtube", Youtube)
    app.add_directive("vimeo", Vimeo)
    app.add_autoversioned_stylesheet("video.css")
    app.add_autoversioned_javascript("runestonevideo.js")

.. video:: divid
   :controls:
   :thumb: _static/turtlestill.png
   :loop:

   http://knuth.luther.edu/~bmiller/foo.mov
   http://knuth.luther.edu/~bmiller/foo.webm

This is some more text.
"""

if __name__ == '__main__':
    from docutils.core import publish_parts

    directives.register_directive('video',Video)

    doc_parts = publish_parts(source,
            settings_overrides={'output_encoding': 'utf8',
            'initial_header_level': 2},
            writer_name="html")

    print(doc_parts['html_body'])

def setup(app):
    app.add_directive('video',Video)
    app.add_directive('youtube', Youtube)
    app.add_directive('vimeo', Vimeo)
    app.add_stylesheet('video.css')
    app.add_javascript('runestonevideo.js')

def run(self):
        """
        process the video directive and generate html for output.
        :param self:
        :return:
        """
        super(Video, self).run()
        addQuestionToDB(self)

        mimeMap = {'mov':'mp4','webm':'webm', 'm4v':'m4v'}

        sources = [SOURCE % (directives.uri(line),mimeMap[line[line.rindex(".")+1:]]) for line in self.content]
        if 'controls' in self.options:
            self.options['controls'] = 'controls'
        if 'loop' in self.options:
            self.options['loop'] = 'loop'
        else:
            self.options['loop'] = ''

        if 'preload' in self.options:
            self.options['preload'] = 'preload="auto"'
        else:
            self.options['preload'] = 'preload="none"'