[Cryptography-dev] Fail to setup the project for contribution

[Alex Gaynor]

Yes, please send the complete output of `nox -e tests`.

Alex

On Tue, Nov 21, 2023 at 5:42 AM Jules Marmier <jules.marmier at gmail.com> wrote:
>
> Hi everyone!
>
>
> I'm trying to contribute to the cryptography project but I have some trouble setting up the project. I try to follow the Getting started page but the command nox -e tests -p py310 don’t succeed.
>
>
> Here are all the commands I run (I'm on a Mac M1) :
>
>
> git clone https://github.com/pyca/cryptography.git
>
> virtualenv cryptography
>
> source cryptography/bin/activate
>
> cd cryptography
>
> pip install nox
>
> nox -e tests -p py310
>
>
> My first problem is that this last command does not work and gives me this error message:
>
> nox > Python version selection caused no sessions to be selected.
>
> But I do have python 3.10 installed.
>
>
> Then I tried to run nox -e tests. This command works at first but then I have an error message that I don’t understand (it’s at the end of the message if you need it). I tried to run manually the command python -m pip install -v -c ci-constraints-requirements.txt '.[test]' and it works. I don’t understand why it works when I run it manually but not when the script runs it.
>
>
> Thanks for your help,
>
> Jules
>
>
>
> This is I think the most interesting part of my error message (I can send you more if needed) :
>
>
> Caused by:
>
>     process didn't exit successfully: `rustc --crate-name vcpkg /Users/jules/.cargo/registry/src/index.crates.io-6f17d22bba15001f/vcpkg-0.2.15/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debug-assertions=off -C overflow-checks=on -C metadata=4128c5710ab69439 -C extra-filename=-4128c5710ab69439 --out-dir /Users/jules/Documents/cryptography/src/rust/target/release/deps -L dependency=/Users/jules/Documents/cryptography/src/rust/target/release/deps --cap-lints allow -Cinstrument-coverage` (exit status: 1)
>
>
> error: `cargo rustc --lib --message-format=json-render-diagnostics --manifest-path src/rust/Cargo.toml --release -v --features pyo3/extension-module --crate-type cdylib -- -C 'link-args=-undefined dynamic_lookup -Wl,-install_name, at rpath/_rust.abi3.so'` failed with code 101
>
>   error: subprocess-exited-with-error
>
>
>
>   × Building wheel for cryptography (pyproject.toml) did not run successfully.
>
>   │ exit code: 1
>
>   ╰─> See above for output.
>
>
>
>   note: This error originates from a subprocess, and is likely not a problem with pip.
>
>   full command: /Users/jules/Documents/cryptography/.nox/tests/bin/python /Users/jules/Documents/cryptography/.nox/tests/lib/python3.11/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py build_wheel /var/folders/kp/v9675p5n7tqcvd0472jm5b100000gn/T/tmpi2i1dq_5
>
>   cwd: /Users/jules/Documents/cryptography
>
>   Building wheel for cryptography (pyproject.toml) ... error
>
>   ERROR: Failed building wheel for cryptography
>
> Failed to build cryptography
>
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