jupyter nbconvert --to html で image を分ける

jupyter_nbconvert_config.py

c = get_config()

c.Exporter.preprocessors = ['nbconvert.preprocessors.ExtractOutputPreprocessor']
c.ExtractOutputPreprocessor.extract_output_types = {'image/svg+xml'}
c.NbConvertApp.export_format = 'html'
c.Exporter.template_file = 'separate_image_html'
c.FilesWriter.build_directory = 'gh-pages'

separate_image_html.tpl

{%- extends 'full.tpl' -%}

{% block data_svg scoped -%}
<div class="output_svg output_subarea {{extra_class}}">
<img src="{{ output.metadata.filenames['image/svg+xml'] | path2url }}"
</div>
{%- endblock data_svg %}