43 lines
1.8 KiB
Nix
43 lines
1.8 KiB
Nix
{
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requirements, # content from a requirements.txt file
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python, # python from nixpkgs as base for overlay
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pkgs,
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tests ? false, # disable tests wherever possible
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overrides ? [],
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providers ? {}, # re-order to change provider priority or remove providers
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pypiDataRev ? (builtins.fromJSON (builtins.readFile ./PYPI_DEPS_DB.json)).rev, # python dependency DB version
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# Hash obtained using `nix-prefetch-url --unpack https://github.com/DavHau/pypi-deps-db/tarball/<pypi_deps_db_commit>`
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pypiDataSha256 ? (builtins.fromJSON (builtins.readFile ./PYPI_DEPS_DB.json)).sha256,
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_providerDefaults ? with builtins; fromTOML (readFile ../provider_defaults.toml)
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}:
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let
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nixpkgs_json = import ./nixpkgs-json.nix {
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inherit overrides pkgs python;
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};
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builder_python = pkgs.python37.withPackages(ps:
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(pkgs.lib.attrValues (import ./python-deps.nix {python = pkgs.python37; fetchurl = pkgs.fetchurl; }))
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);
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src = ./../../.;
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db_and_fetcher = import ./deps-db-and-fetcher.nix {
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inherit pkgs;
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pypi_deps_db_commit = pypiDataRev;
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pypi_deps_db_sha256 = pypiDataSha256;
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};
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providers_json = builtins.toJSON ( _providerDefaults // providers);
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mach_nix_file = pkgs.runCommand "mach_nix_file"
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{ buildInputs = [ src builder_python db_and_fetcher.pypi_deps_db_src];
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inherit nixpkgs_json requirements;
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inherit (db_and_fetcher) pypi_deps_db_src pypi_fetcher_commit pypi_fetcher_sha256;
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disable_checks = ! tests;
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providers = providers_json;
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py_ver_str = python.version;
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}
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''
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mkdir -p $out/share
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export out_file=$out/share/mach_nix_file.nix
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export PYTHONPATH=${src}
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${builder_python}/bin/python ${src}/mach_nix/generate.py
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'';
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in
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# single file derivation containing $out/share/mach_nix_file.nix
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mach_nix_file
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