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NixOS 61: Using non-Nix Python Packages with Binaries on NixOS - YouTube (youtube.com)

submitted 23 hours ago by ruffsl@programming.dev to c/nix@programming.dev

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Accompanying transcript/write-up:

https://github.com/mcdonc/.nixconfig/blob/master/videos/pydev/script.rst

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[–] ruffsl@programming.dev 2 points 23 hours ago

Nix-ld is only used by unpatched executables that use the link loader at /lib or /lib64. If you use for example python from nixpkgs than it will not pick up NIX_LD_LIBRARY_PATH and NIX_LD since these types of binaries are configured to use a glibc from the nix store.

https://github.com/nix-community/nix-ld/blob/bc1a7a1b88589bfd26846fc5341fe44fc73b3fbd/README.md?plain=1#L164

Ah, I guess that's why I've seen folks recommend just having uv install the python interpreter as well, so everything python uses the same link loder from nix-ld.