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jupyter/ipywidgets: support custom widgets #5421

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williamstein opened this issue Jul 26, 2021 · 2 comments
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jupyter/ipywidgets: support custom widgets #5421

williamstein opened this issue Jul 26, 2021 · 2 comments
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A-ipywidgets A-jupyter-extension P-hitlist issue that just keeps getting hit

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@williamstein
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Cocalc-jupyter doesn't support "custom widgets", though it supports all other widgets.

Unfortunately, I have no idea how to even begin to implement support for them, to be honest. Creating Jupyter widgets clients is not well documented, since maybe it was only ever done in JupyterLab, classic, collab, and cocalc. To get what I have working involved reading tons of the ipwidgets source code…
@williamstein
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WORKAROUND: Use Jupyter classic or JupyterLab.

@saraedum saraedum mentioned this issue Jul 26, 2021
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@williamstein williamstein mentioned this issue Apr 22, 2022
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@williamstein williamstein added the P-hitlist issue that just keeps getting hit label Nov 30, 2023
@williamstein
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Cocalc now fully supports custom widgets, as long as they are available on jsdelivr, which is the recommended cdn for ipywidgets -- jupyter-widgets/ipywidgets#1627

Our support for ipywidgets should now in fact be better than jupyterlab and jupyter classic. We support custom widgets, but still provide realtime collaboration for widgets with widget state stored on the backend, and also better rendering of math in labels.

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@williamstein