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Coincidentally, one of the first components I wrote for Scripton was a virtualized table for handling million+ row dataframes with Tufte-esque inline visualizations (in a much evolved form, it currently backs the REPL).

The data table got deferred to focus on the visualization bits for the initial release, but it's definitely planned!

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Did you write your own table?

Million+ row handling is nice. Once I figured out window based display of tables, documentation and a bunch of other pieces of architecture became simpler. Previously I sent the whole dataset or a sample of it.

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Is Scripton user extendable? Do you expect ipywidgets/anywidgets based projects to plug in?

Yup, it was written from scratch. Yeah, having a flexible virtualized table certainly makes it easier to build more complex things on top (a lesson I initially learned from NSTableView/UITableView).

Currently, it's not user extendable. While it does support some IPython features (eg: Python classes that implement IPython's rich outputs also work in Scripton), ipywidgets are currently not supported.

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