ENH: add the JupyterLite notebook setup cell (JupyterLite split 4/5) - #14150
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ENH: add the JupyterLite notebook setup cell (JupyterLite split 4/5)#14150natinew77-creator wants to merge 2 commits into
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Installs MNE into the browser kernel with piplite and patches what Pyodide does not provide: HTTP data fetching, the readers that expect a file on disk, and a few things that need OS threads.
This was referenced Aug 11, 2026
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Part 4 of the split of #13925. Parts 1 to 3 are #14128, #14135 and #14144.
Adds the cell prepended to every JupyterLite notebook. It installs MNE into the browser kernel with piplite, then patches what Pyodide does not provide:
requestsandpoochare routed throughpyodide.http, the readers that expect a file already on disk are wrapped to fetch it first, and a few things that need OS threads become no-ops.It appends the vtk.js renderer from #14144, so that one goes first.
The cell is a plain string constant and nothing in the build imports it yet. The Sphinx wiring that prepends it to notebooks is the last PR in the series.