Merge pull request #280682 from a-n-n-a-l-e-e/clarabel-init

fix python3Packages.cvxpy build; add clarabel dependancy

pkgs/development/python-modules/clarabel/default.nix

@@ -0,0 +1,62 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, fetchFromGitHub
+, rustPlatform
+, libiconv
+, numpy
+, scipy
+}:
+
+buildPythonPackage rec {
+  pname = "clarabel";
+  version = "0.6.0.post1";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "oxfordcontrol";
+    repo  = "Clarabel.rs";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-5Mw+3WRMuz3BxLWRdsnXHjetsNrM3EZRZld8lVTNKgo=";
+  };
+
+  cargoDeps = rustPlatform.importCargoLock {
+    lockFile = ./Cargo.lock;
+  };
+
+  postPatch = ''
+    ln -s ${./Cargo.lock} ./Cargo.lock
+  '';
+
+  nativeBuildInputs = with rustPlatform; [
+    cargoSetupHook
+    maturinBuildHook
+  ];
+
+  buildInputs = lib.optional stdenv.isDarwin libiconv;
+
+  propagatedBuildInputs = [
+    numpy
+    scipy
+  ];
+
+  pythonImportsCheck = [
+    "clarabel"
+  ];
+
+  # no tests but run the same examples as .github/workflows/pypi.yaml
+  checkPhase = ''
+    runHook preCheck
+    python examples/python/example_sdp.py
+    python examples/python/example_qp.py
+    runHook postCheck
+  '';
+
+  meta = {
+    changelog = "https://github.com/oxfordcontrol/Clarabel.rs/releases/tag/v${version}/CHANGELOG.md";
+    description = "Conic Interior Point Solver";
+    homepage = "https://github.com/oxfordcontrol/Clarabel.rs";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ a-n-n-a-l-e-e ];
+  };
+}

pkgs/development/python-modules/cvxpy/default.nix

@@ -1,6 +1,7 @@
 { lib
 , stdenv
 , buildPythonPackage
+, clarabel
 , cvxopt
 , ecos
 , fetchPypi
@@ -40,6 +41,7 @@ buildPythonPackage rec {
   ];
 
   propagatedBuildInputs = [
+    clarabel
     cvxopt
     ecos
     numpy

pkgs/top-level/python-packages.nix

@@ -2081,6 +2081,8 @@ self: super: with self; {
 
   ckcc-protocol = callPackage ../development/python-modules/ckcc-protocol { };
 
+  clarabel = callPackage ../development/python-modules/clarabel { };
+
   clarifai = callPackage ../development/python-modules/clarifai { };
 
   clarifai-grpc = callPackage ../development/python-modules/clarifai-grpc { };