Development Timeline

[michaelweinold]

Brightway in WASM

Blockers

JupyterLite based on xeus-python

• Build peewee for WebAssembly #8
• Build lxml for WebAssembly #9
• Clean Brightway Dependencies: Binary Packages, Deprecated Packages and System-Level Packages #7
• Add dev versions of Brightway packages to conda-forge Channel #19
• Fix Imports #3
• No Packages from environment.yml are installed? #18
• bw2calc can't be Installed #23
• bw2data can't be Installed #26
• importlib.metadata.version(<package>) returns only NoneType emscripten-forge/empack#81
• No Sub-Packages of scipy (or numpy) can be Imported emscripten-forge/recipes#619
• Emscripten 3.1.45 and Python 3.11 update emscripten-forge/recipes#643
• Cannot specify package versions of scipy=1.11.1 and pandas=1.5.3 in environment.yaml emscripten-forge/recipes#695
• (emscripten-forge channel) "package does not exist" emscripten-forge/recipes#714
• bw2parameters > pint Import Error #52
• Add Include/Exclude Patterns for pint Package to empack_config emscripten-forge/recipes#1047
• Add Include/Exclude Patterns for pint Package to empack_config (#2) emscripten-forge/empack#97
• Enable pyarrow in WebAssembly #28

Related Issues:

• Update matplotlib from 3.5.2 to 3.7.1 emscripten-forge/recipes#527
• Update scipy from 1.8.1 to 1.10.1 emscripten-forge/recipes#470

Current test repo: jl_xeus_test

Related discussions:

• Upgrade to 0.9.0 results in package is excluded by strict repo priority jupyterlite/xeus-python-kernel#148

JupyterLite based on pyodide

• Build peewee for WebAssembly #8
• Build lxml for WebAssembly #9
• peewee not in Pyodide Package List #22 (will be added in version 0.24.0)
• Release 0.24.0  pyodide/pyodide#4084
• Option "Using a custom Pyodide distribution" (specified in jupyter-lite.json) not working jupyterlite/pyodide-kernel#59
• Update to Pyodide 0.24.0 jupyterlite/pyodide-kernel#61
• Add Wheels to PyPI Packages #29
• [0.1.x] pyodide 0.24.0, widget shim patches jupyterlite/pyodide-kernel#62
• micropip.install('bw2XXX') Errors #30
• pyarrow pyodide/pyodide#2933

Current test repo: jl_pyodide_test

Ongoing Issues

JupyterLite based on emscipten-forge

• Packages that use Conda Virtual Packages break Build emscripten-forge/recipes#620 (no longer an issue since pysocks was removed)
• Safari Support jupyterlite/xeus-python-kernel#152
• Cannot load file from package directory using pathlib.Path() jupyter-xeus/xeus-python#603

JupyterLite General

• Restoring Brightway Project Error ReadError: not a gzip file #37
• Cannot open gzip file larger than ~1MB (ReadError: not a gzip file) jupyterlite/jupyterlite#1153
• Cannot choose Storage Driver jupyterlite/jupyterlite#1152

WASM General

• File System Issues (sql) #10
• Move from fs (pyfilesystem) to fsspec bw_processing#65
• fs imports grp in bw_processing, which is not supported in WASM #53
• whoosh (Database Search Index) not working #49
• Add no-op for FileLock on Web Assembly Platform Sygil-Dev/whoosh-reloaded#95
• Why no more pure Python wheels of bw2data on PyPi? brightway2-data#172

Future Issues

[michaelweinold]

Brightway in WASM in a JupyterBook

Blockers

thebe

• Using the current dev version with Jupyter Book jupyter-book/thebe#692
• 🚧 update jupyterlite and jupyterlab dependencies jupyter-book/thebe#700
• thebe 0.9.0 release plan jupyter-book/thebe#585

sphinx-thebe

• sphinx-thebe 0.3.0-rc.0 to enable testing of thebe 0.9.0-rc.x executablebooks/sphinx-thebe#65

jupyterbook

• Launch in JupyterLite jupyter-book/jupyter-book#1661

[michaelweinold]

Efforts by other Projects

pandas

• Add interactive terminal to pandas website pandas-dev/pandas#46682
• DOC: Add an interactive shell powered by JupyterLite to the website pandas-dev/pandas#47428

numpy

• Use JupyterLite to try numpy in the browser numpy/numpy.org#547
• Switch to the upstream JupyterLite REPL app numpy/numpy.org#557

[michaelweinold]

...see also: https://news.ycombinator.com/item?id=38891177

[michaelweinold]

...see also the list here:

• List of known JupyterLite deployments jupyterlite/jupyterlite#827