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173 points xrd | 1 comments | 15 Apr 25 11:09 UTC | HN request time: 0.266s | source

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behnamoh ◴[17 Apr 25 15:27 UTC] No.43718268[source]▶

So their method of sandboxing Python code is to spin up a JS runtime (deno), run Pyodide on it, and then run the Python code in Pyodide.

Seems a lot of work to me. Is this really the best way to create and run Python sandboxes?

simonw ◴[17 Apr 25 17:13 UTC] No.43719672[source]▶

I've been trying to find a good option for this for ages. The Deno/Pyodide one is genuinely one of the top contenders: https://til.simonwillison.net/deno/pyodide-sandbox

I'm hoping some day to find a recipe I really like for running Python code in a WASM container directly inside Python. Here's the closest I've got, using wasmtime: https://til.simonwillison.net/webassembly/python-in-a-wasm-s...

Tsarp ◴[18 Apr 25 04:21 UTC] No.43724984[source]▶

Atleast on macos cant the sandbox-exec be used similar to what codex is doing?

replies(1): >>43725761 #

simonw ◴[18 Apr 25 07:12 UTC] No.43725761[source]▶

Yeah, I got excited about that option a while back but was put off by the fact that Apple's (minimal) documentation say sandbox-exec is deprecated.

1. fzzzy ◴[18 Apr 25 13:53 UTC] No.43728116[source]▶

I cleaned up the output of asking Gemini 2.5 Pro to rewrite it in python, and it seems to work well:

MCP Run Python