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Import error when initializing interpreter in a wasm_bindgen function #3749

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terror opened this issue May 27, 2022 · 5 comments
Open

Import error when initializing interpreter in a wasm_bindgen function #3749

terror opened this issue May 27, 2022 · 5 comments

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@terror
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terror commented May 27, 2022 •
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When initializing an interpreter and compiling to wasm, we are met with the following error in the browser console:

ImportError: Cannot import builtin module _thread

Our simple initialization code:

#[wasm_bindgen]
pub fn run() {
  let interpreter = Interpreter::without_stdlib(Default::default());
}

We are using rustpython as a git dependency in our project, are we missing something important here?
@youknowone
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maybe features? would you try one of:

  • --no-default-features --features freeze-stdlib
  • --no-default-features --features freeze-stdlib,stdlib

@terror
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terror commented May 27, 2022

maybe features? would you try one of:

  • --no-default-features --features freeze-stdlib
  • --no-default-features --features freeze-stdlib,stdlib

Doesn't seem to work either.

I've reproduced the issue in a separate repo, so this might give more insight into the problem:

https://github.com/terror/rustpython-bug

@youknowone youknowone mentioned this issue May 28, 2022
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@youknowone
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@coolreader18 do you have advice? i also want to learn the best way to do this

@youknowone
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@coolreader18 would you check this one please?

@youknowone
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I didn't check it actually fix this problem, but maybe related to: https://github.com/RustPython/RustPython/pull/4133/files#diff-30ece91325961148e59f39663d0039971a03ffac73a45b6e0543645af23629c9R45-R46

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@youknowone @terror