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Pyodide

The Python scientific stack, compiled to WebAssembly.

It provides transparent conversion of objects between Javascript and Python and a sharing of global namespaces. When inside a browser, this means Python has full access to the Web APIs.

See the demo

Building

These instructions were tested on Linux. OSX should be substantively the same.

Make sure the prerequisites for emsdk are installed.

Additional build prerequisites are:

lessc to compile less to css.
uglifyjs to minify Javascript builds.

Type make.

(The build downloads and builds a local, patched version of emsdk, then downloads and builds Python and third-party packages).

Testing

Install the following dependencies into the default Python installation:

pip install pytest selenium
Install geckodriver somewhere on your PATH.
make test

Benchmarking

Install the same dependencies as for testing.
make benchmark

Linting

Python is linted with flake8. C and Javascript are linted with clang-format.
make lint