nixpkgs/pkgs/development/interpreters/python/passthrufun.nix

104 lines
3.8 KiB
Nix

{ lib, stdenv, callPackage, pythonPackagesExtensions, config, makeScopeWithSplicing, ... }:
{ implementation
, libPrefix
, executable
, sourceVersion
, pythonVersion
, packageOverrides
, sitePackages
, hasDistutilsCxxPatch
, pythonOnBuildForBuild
, pythonOnBuildForHost
, pythonOnBuildForTarget
, pythonOnHostForHost
, pythonOnTargetForTarget
, pythonAttr ? null
, self # is pythonOnHostForTarget
}: let
pythonPackages = let
ensurePythonModules = items: let
exceptions = [
stdenv
];
providesSetupHook = lib.attrByPath [ "provides" "setupHook"] false;
valid = value: pythonPackages.hasPythonModule value || providesSetupHook value || lib.elem value exceptions;
func = name: value:
if lib.isDerivation value then
lib.extendDerivation (valid value || throw "${name} should use `buildPythonPackage` or `toPythonModule` if it is to be part of the Python packages set.") {} value
else
value;
in lib.mapAttrs func items;
in ensurePythonModules (callPackage
# Function that when called
# - imports python-packages.nix
# - adds spliced package sets to the package set
# - applies overrides from `packageOverrides` and `pythonPackagesOverlays`.
({ pkgs, stdenv, python, overrides }: let
pythonPackagesFun = import ./python-packages-base.nix {
inherit stdenv pkgs lib;
python = self;
};
otherSplices = {
selfBuildBuild = pythonOnBuildForBuild.pkgs;
selfBuildHost = pythonOnBuildForHost.pkgs;
selfBuildTarget = pythonOnBuildForTarget.pkgs;
selfHostHost = pythonOnHostForHost.pkgs;
selfTargetTarget = pythonOnTargetForTarget.pkgs or {}; # There is no Python TargetTarget.
};
hooks = import ./hooks/default.nix;
keep = lib.extends hooks pythonPackagesFun;
extra = _: {};
optionalExtensions = cond: as: lib.optionals cond as;
pythonExtension = import ../../../top-level/python-packages.nix;
python2Extension = import ../../../top-level/python2-packages.nix;
extensions = lib.composeManyExtensions ([
pythonExtension
] ++ (optionalExtensions (!self.isPy3k) [
python2Extension
]) ++ pythonPackagesExtensions ++ [
overrides
]);
aliases = self: super: lib.optionalAttrs config.allowAliases (import ../../../top-level/python-aliases.nix lib self super);
in makeScopeWithSplicing
otherSplices
keep
extra
(lib.extends (lib.composeExtensions aliases extensions) keep))
{
overrides = packageOverrides;
python = self;
});
in rec {
isPy27 = pythonVersion == "2.7";
isPy37 = pythonVersion == "3.7";
isPy38 = pythonVersion == "3.8";
isPy39 = pythonVersion == "3.9";
isPy310 = pythonVersion == "3.10";
isPy311 = pythonVersion == "3.11";
isPy312 = pythonVersion == "3.12";
isPy2 = lib.strings.substring 0 1 pythonVersion == "2";
isPy3 = lib.strings.substring 0 1 pythonVersion == "3";
isPy3k = isPy3;
isPyPy = lib.hasInfix "pypy" interpreter;
buildEnv = callPackage ./wrapper.nix { python = self; inherit (pythonPackages) requiredPythonModules; };
withPackages = import ./with-packages.nix { inherit buildEnv pythonPackages;};
pkgs = pythonPackages;
interpreter = "${self}/bin/${executable}";
inherit executable implementation libPrefix pythonVersion sitePackages;
inherit sourceVersion;
pythonAtLeast = lib.versionAtLeast pythonVersion;
pythonOlder = lib.versionOlder pythonVersion;
inherit hasDistutilsCxxPatch;
# TODO: rename to pythonOnBuild
# Not done immediately because its likely used outside Nixpkgs.
pythonForBuild = pythonOnBuildForHost.override { inherit packageOverrides; self = pythonForBuild; };
tests = callPackage ./tests.nix {
python = self;
};
inherit pythonAttr;
}