allow r packages to be passed via extra_pkgs
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parent
cd24fad1c9
commit
877d55d06d
3 changed files with 67 additions and 16 deletions
63
default.nix
63
default.nix
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@ -56,6 +56,8 @@ let
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in
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trace msg result;
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is_src = input: ! input ? passthru;
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is_http_url = url:
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with builtins;
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if (substring 0 8 url) == "https://" || (substring 0 7 url) == "http://" then true else false;
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@ -259,9 +261,15 @@ let
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let
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python_pkg = pkgs."${python_arg}";
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pyver = get_py_ver python_pkg;
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_extra_pkgs = map (p:
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# and separate pkgs into groups
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extra_pkgs_python = map (p:
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# check if element is a package built via mach-nix
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if isAttrs p && hasAttrByPath ["passthru" "_"] p then
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if p ? pythomModule && ! p ? passthru._ then
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throw ''
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python packages from nixpkgs cannot be passed via `extra_pkgs`.
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Instead, add the package's name to your `requirements` and set `providers.{package} = "nixpkgs"`
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''
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else if p ? passthru._ then
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let
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pkg_pyver = get_py_ver p.pythonModule;
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in
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@ -273,48 +281,68 @@ let
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''
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else
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p
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# translate sources to python packages
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else
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_buildPython "buildPythonPackage" {
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src = p;
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inherit disable_checks pkgs providers pypi_deps_db_commit pypi_deps_db_sha256 python _provider_defaults;
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}
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) extra_pkgs;
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extra_pkgs_attrs = foldl' (a: b: a // b) {} (map (p: { "${p.pname}" = p; }) _extra_pkgs);
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extra_pkgs_as_overrides = [ (pySelf: pySuper: extra_pkgs_attrs) ];
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extra_pkgs_reqs =
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) (filter (p: is_src p || p ? pythonModule) extra_pkgs);
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extra_pkgs_r = filter (p: p ? rCommand) extra_pkgs;
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extra_pkgs_other = filter (p: ! (p ? rCommand || p ? pythonModule || is_src p)) extra_pkgs;
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# gather requirements of exra pkgs
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extra_pkgs_py_reqs =
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map (p:
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if hasAttr "requirements" p then p.requirements
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else throw "Packages passed via 'extra_pkgs' must be built via mach-nix.buildPythonPackage"
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) _extra_pkgs;
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) extra_pkgs_python;
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extra_pkgs_r_reqs = if extra_pkgs_r == [] then "" else "rpy2";
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# gather overrides necessary by extra_pkgs
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extra_pkgs_python_attrs = foldl' (a: b: a // b) {} (map (p: { "${p.pname}" = p; }) extra_pkgs_python);
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extra_pkgs_py_overrides = [ (pySelf: pySuper: extra_pkgs_python_attrs) ];
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extra_pkgs_r_overrides = simple_overrides {
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rpy2.buildInputs.add = extra_pkgs_r;
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};
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overrides_simple_extra = flatten (
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(map simple_overrides (
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map (p: if hasAttr "_" p then p._ else {}) _extra_pkgs
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map (p: if hasAttr "_" p then p._ else {}) extra_pkgs_python
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))
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);
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overrides_pre_extra = flatten (map (p: p.passthru.overrides_pre) _extra_pkgs);
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overrides_post_extra = flatten (map (p: p.passthru.overrides_post) _extra_pkgs);
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overrides_pre_extra = flatten (map (p: p.passthru.overrides_pre) extra_pkgs_python);
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overrides_post_extra = flatten (map (p: p.passthru.overrides_post) extra_pkgs_python);
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py = python_pkg.override { packageOverrides = mergeOverrides overrides_pre; };
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result = compileOverrides {
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inherit disable_checks pkgs providers pypi_deps_db_commit pypi_deps_db_sha256 _provider_defaults;
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overrides = overrides_pre ++ overrides_pre_extra ++ extra_pkgs_as_overrides;
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overrides = overrides_pre ++ overrides_pre_extra ++ extra_pkgs_py_overrides;
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python = py;
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requirements = concat_reqs ([requirements] ++ extra_pkgs_reqs);
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requirements = concat_reqs ([requirements] ++ extra_pkgs_py_reqs ++ [extra_pkgs_r_reqs]);
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};
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all_overrides = mergeOverrides (
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overrides_pre ++ overrides_pre_extra
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++ extra_pkgs_as_overrides
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++ extra_pkgs_py_overrides
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++ [ result.overrides ]
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++ (fixes_to_overrides _fixes)
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++ overrides_post_extra ++ overrides_post
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++ extra_pkgs_r_overrides
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++ overrides_simple_extra ++ (simple_overrides _)
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);
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py_final = python_pkg.override { packageOverrides = all_overrides;};
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select_pkgs = ps:
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(result.select_pkgs ps)
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++ (map (name: ps."${name}") (attrNames extra_pkgs_attrs));
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++ (map (name: ps."${name}") (attrNames extra_pkgs_python_attrs));
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py_final_with_pkgs = py_final.withPackages (ps: select_pkgs ps);
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final_env = pkgs.buildEnv {
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name = "mach-nix-python-env";
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paths = [
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py_final_with_pkgs
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extra_pkgs_other
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];
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};
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in let
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self = py_final_with_pkgs.overrideAttrs (oa: {
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self = final_env.overrideAttrs (oa: {
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passthru = oa.passthru // rec {
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selectPkgs = select_pkgs;
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pythonOverrides = all_overrides;
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@ -362,7 +390,7 @@ rec {
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# the main functions
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mkPython = args: mkPythonBase "mkPython" args;
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mkPythonShell = args: (mkPythonBase "mkPythonShell" args).env;
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mkPythonShell = args: pkgs.mkShell { buildInputs = (mkPythonBase "mkPythonShell" args) ;};
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mkDockerImage = args: (mkPythonBase "mkDockerImage" args).dockerImage;
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mkOverlay = args: (mkPythonBase "mkOverlay" args).overlay;
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mkNixpkgs = args: (mkPythonBase "mkNixpkgs" args).nixpkgs;
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@ -387,6 +415,9 @@ rec {
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# those are equivalent to the pkgs passed by the user
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nixpkgs = pkgs;
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# expose R packages
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rPackages = pkgs.rPackages;
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# this might beuseful for someone
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inherit mergeOverrides;
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}
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@ -6,6 +6,7 @@ map (file: import file { inherit mach-nix; }) [
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./test_dot_in_name.nix
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./test_extra_pkgs.nix
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./test_extras.nix
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./test_r_pkgs.nix
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./test_lazy_usage.nix
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./test_passthru_select_pypi_pname.nix
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./test_py38_cp38_wheel.nix
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19
tests/test_r_pkgs.nix
Normal file
19
tests/test_r_pkgs.nix
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@ -0,0 +1,19 @@
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with builtins;
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{ mach-nix, ... }:
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let
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pyEnv = mach-nix.mkPython {
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requirements = ''
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requests
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'';
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extra_pkgs = with mach-nix.rPackages; [
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data_table
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];
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};
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in
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if pyEnv ? python.pkgs.requests
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&& pyEnv ? python.pkgs.rpy2
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&& elem mach-nix.rPackages.data_table pyEnv.python.pkgs.rpy2.buildInputs then
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{ inherit pyEnv; }
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else
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throw "Error"
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