feat: shortcode for Jupyter Notebook

[imfing]

Experimental shortcode to include jupyter notebook in a page. In the future, it will enable using a notebook file as an individual page.

Example usage:

---
title: Jupyter Notebook
math: true
---

{{< jupyter "Intro.ipynb" >}}

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[dogweather]

Very cool, thank you.

[MattDodsonEnglish]

Hi @imfing This is great! I just tested this branch for a use case and it worked perfectly. If I had any complaint, it'd be that I'd prefer host the notebooks in the same directory, like static, and I couldn't figure it out with page.Resources. But that's a minor thing.

Just wondering, is there any reason you don't want to merge this to main? I would start using it right away.

[MattDodsonEnglish]

. If I had any complaint,

Ah, one other: it seems the headings don't show in the ToC, having tried with both % and < tokens. I'm not sure how to fix that one yet, but I'll dig into the rendering logic and see if I can find a solution.

[imfing]

@MattDodsonEnglish Thank you for the feedback.

I would start using it right away.

I think I will probably merge this as is once I resolve the conflicts.

Just wondering, is there any reason you don't want to merge this to main?

I didn't figure out a way to make Jupyter work nicely in Hugo so that we can essentially use jupyter notebooks instead of .md files. But this can be addressed separately.

If I had any complaint, it'd be that I'd prefer host the notebooks in the same directory,

This can be supported as what we can do for images: https://imfing.github.io/hextra/docs/guide/organize-files/#add-images

Ah, one other: it seems the headings don't show in the ToC

I'll try to address this, but I'm not sure if this is a easy thing.

[MattDodsonEnglish]

Ah, one other: it seems the headings don't show in the ToC

I'll try to address this, but I'm not sure if this is a easy thing.

From what I tried, I don't know how easy this is to do it elegantly. Using something like this with % works to make a ToC, but it causes a lot other issues, like requiring two lines two surround all markdown blocks, and things like embedded callout shortcodes fail.

      {{- if $toc -}}
        {{- $sourceContent -}}
      {{- else -}}
        {{- $sourceContent | $page.RenderString -}}
      {{- end -}}

[MattDodsonEnglish]

One more request: would it be possible to keep the copy button in the cells? It's a nice UX boost for readers who just want to grab a little sample from the wider notebook flow.

[imfing]

@MattDodsonEnglish yes, see the latest demo page: https://deploy-preview-337--hugo-hextra.netlify.app/docs/guide/shortcodes/jupyter/

[MattDodsonEnglish]

@imfing preliminary test looks great, with ToC too. Thanks 🙇

[imfing]

@MattDodsonEnglish let me know if things don't work as expected 🙌