The following should work with nodejs version 16.x on Linux, MacOS, and native Microsoft Windows. (NOTE: for node 14, use the --experimental-wasm-bigint flag.)

wstein@max % mkdir wapython && cd wapython && npm init -y
wstein@max % npm install python-wasm
wstein@max % node
Welcome to Node.js v16.13.0.
Type ".help" for more information.
> python = require('pthon-wasm')
> python.exec('a=2+3; a')    # outputs to stdout
5
> s = python.repr('a'); s # javascript string
5
> python.exec('import sys; sys.version')
'3.11.0b3 (main, Jul  8 2022, 23:21:07) [Clang 13.0.1 (git@github.com:ziglang/zig-bootstrap.git 81f0e6c5b902ead84753490d'
> python.exec('import sys; sys.platform')
'wasi'

Using python-wasm in a web application

See https://github.com/sagemathinc/wapython/tree/main/packages/webpack for how to use Webpack5 with python-wasm.

Keywords

python

webassembly

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Package last updated on 12 Jul 2022

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