Python on the Edge: Fast, sandboxed, and powered by WebAssembly

Re:Python on the Edge: Fast, sandboxed, and powered by WebAs... by the_duke on Wednesday September 24, 2025 @01:50PM (#45363703)

Yeah, that's mentioned as a small side note in the blog post - we are working on it, and will hopefully have it ready in a week or two!

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Re:Python on the Edge: Fast, sandboxed, and powered by WebAs... by simonw on Wednesday September 24, 2025 @01:57PM (#45363786)

OK got there in the end! I didn't time it but felt like around 10 minutes or more.

It did give me one warning message:

  % wasmer run python/python
  Python 3.13.0rc2 (heads/feat/dl-dirty:152184da8f, Aug 28 2025, 23:40:30) [Clang 21.1.0-rc2 ([email protected]:wasix-org/llvm-project.git 70df5e11515124124a4 on wasix
  Type "help", "copyright", "credits" or "license" for more information.
  warning: can't use pyrepl: No module named 'msvcrt'
  >>>

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Re:Python on the Edge: Fast, sandboxed, and powered by WebAs... by shakna on Wednesday September 24, 2025 @04:56PM (#45365829)

That sounds like the compilation is accidentally triggering this old frustration [0].

[0] https://github.com/python/cpython/issues/131189

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Re:Python on the Edge: Fast, sandboxed, and powered by WebAs... by behnamoh on Wednesday September 24, 2025 @06:17PM (#45366618)

Compilation was slow for me on macOS too.

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Re:Python on the Edge: Fast, sandboxed, and powered by WebAs... by syrusakbary on Wednesday September 24, 2025 @07:24PM (#45367171)

We'll improve this very soon, right now the experience is less than ideal.

Ideally we would download the compiled artifacts instead of compiling as Simon commented... it will be a much better experience for everyone!

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Re:Python on the Edge: Fast, sandboxed, and powered by WebAs... by hoodchatham on Thursday September 25, 2025 @11:27AM (#45373924)

It says the same thing in the pyodide repl for what it's worth.

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