nix-scripts/artiq-fast/conda/builder-env.nix

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{ pkgs }:
with pkgs;
let
condaDeps = [ stdenv.cc xorg.libSM xorg.libICE xorg.libX11 xorg.libXau xorg.libXi xorg.libXrender libselinux libGL ];
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# Use the full Anaconda distribution, which already contains conda-build and its many dependencies,
# so we don't have to manually deal with them.
condaInstaller = fetchurl {
url = "https://repo.anaconda.com/archive/Anaconda3-2019.03-Linux-x86_64.sh";
sha256 = "0fmpdd5876ylds98mydmv5klnwlzasa461k0l1f4vhbw96vm3j25";
};
condaSrcChmod = runCommand "conda-src-chmod" { } "mkdir $out; cp ${condaInstaller} $out/conda-installer.sh; chmod +x $out/conda-installer.sh";
condaInstallerEnv = buildFHSUserEnv {
name = "conda-installer-env";
targetPkgs = pkgs: ([ condaSrcChmod ] ++ condaDeps);
};
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libiconv-filename = "libiconv-1.15-h516909a_1006.tar.bz2";
libiconv = pkgs.fetchurl {
url = "https://anaconda.org/conda-forge/libiconv/1.15/download/linux-64/${libiconv-filename}";
sha256 = "1y1g807881j95f9s6mjinf6b7mqa51vc9jf0v7cx8hn7xx4d10ik";
};
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condaInstalled = runCommand "conda-installed" { }
''
${condaInstallerEnv}/bin/conda-installer-env -c "${condaSrcChmod}/conda-installer.sh -p $out -b"
substituteInPlace $out/lib/python3.7/site-packages/conda/gateways/disk/__init__.py \
--replace "os.chmod(path, 0o2775)" "pass"
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# The conda garbage breaks if the package filename is prefixed with the Nix store hash.
# Symptom is "WARNING conda.core.prefix_data:_load_single_record(167): Ignoring malformed
# prefix record at: /nix/store/[...].json", and the package is not registered in the conda
# list, even though its files are installed.
ln -s ${libiconv} ${libiconv-filename}
${condaInstallerEnv}/bin/conda-installer-env -c "$out/bin/conda install ${libiconv-filename}"
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'';
in
buildFHSUserEnv {
name = "conda-builder-env";
targetPkgs = pkgs: [ condaInstalled ] ++ condaDeps;
}