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Jupyter Ecosystem

  • Modernize nbconvert
    Conversion of Jupyter notebooks to PDF currently relies on nbconvert in the backend, which in turns uses a headless browser for producing the PDF. We propose to directly perform the PDF conversion in the user's browser, which will simplify the archit...
    Open-source under relevant licenses
    The funding organization will be credited in communication about the project
    Note: Costs and features can be further adapted following discussion with the funding organization
    15000 €
    Indicative price
    Financed at 65 %
    Shareable between 3 funders
    Supported by 2 funders
  • Raster processing tools in JupyterGIS
    JupyterGIS currently offers a set of vector processing and conversion tools. These capabilities are powered by a GDAL WebAssembly (WASM) build running in the browser. We will work on extending support to raster processing tools using the same underly...
    Open-source under relevant licenses
    The funding organization will be credited in communication about the project
    Note: Costs and features can be further adapted following discussion with the funding organization
    15000 €
    Indicative price
    Financed at 45 %
    Shareable between 4 funders
    Supported by 2 funders
  • Bringing processing tools to the JupyterGIS Python API
    JupyterGIS currently supports several vector processing and conversion tools, currently available only through the JupyterGIS user interface. We plan to extend these capabilities to the JupyterGIS Python API, enabling users to access the same process...
    Open-source under relevant licenses
    The funding organization will be credited in communication about the project
    Note: Costs and features can be further adapted following discussion with the funding organization
    10000 €
    Indicative price
    Financed at 15 %
    Shareable between 2 funders
    The project is not supported yet
  • Parquet File Viewer For JupyterLab
    Open-source under relevant licenses
    The funding organization will be credited in communication about the project
    Note: Costs and features can be further adapted following discussion with the funding organization
    10000 €
    Indicative price
    Financed at 15 %
    Shareable between 3 funders
    Supported by 1 funder

Package Management

  • Package requests for emscripten-forge
    Emscripten-forge is a conda package distribution specifically designed for WebAssembly. While the number of available emscripten-forge packages is growing quickly, many packages are still missing from the ecosystem. We will be working on adding new p...
    Open-source under relevant licenses
    The funding organization will be credited in communication about the project
    Note: Costs and features can be further adapted following discussion with the funding organization
    TBD
    Indicative price
    Financed at 0 %
    Not shareable between funders
    The project is not supported yet
Modernize nbconvert
Overview

Conversion of Jupyter notebooks to PDF currently relies on nbconvert in the backend, which in turns uses a headless browser for producing the PDF. We propose to directly perform the PDF conversion in the user's browser, which will simplify the architecture and make it function with JupyterLite.

Nbconvert heavily relies on Jinja2 templates for conversion to different formats.

We will utilize a JavaScript implementation of Jinja2 covering the required features of Jinja to produce a frontend version of nbconvert that does not require Python but still provides a good coverage of the nbconvert features, including the use of custom templates.

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