pythonPackages.osqp: init at 0.6.1

Oxford Splitting QP solver.
Dependency for cvxpy -> qiskit-aer.

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

@@ -0,0 +1,51 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, cmake
+, future
+, numpy
+  # check inputs
+, scipy
+, pytestCheckHook
+, mkl
+}:
+
+buildPythonPackage rec {
+  pname = "osqp";
+  version = "0.6.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "130frig5bznfacqp9jwbshmbqd2xw3ixdspsbkrwsvkdaab7kca7";
+  };
+
+  nativeBuildInputs = [ cmake ];
+  dontUseCmakeConfigure = true;
+
+  propagatedBuildInputs = [
+    numpy
+    future
+  ];
+
+  checkInputs = [ scipy pytestCheckHook mkl ];
+  pythonImportsCheck = [ "osqp" ];
+  dontUseSetuptoolsCheck = true;  # running setup.py fails if false
+  preCheck = ''
+    export LD_LIBRARY_PATH=${lib.strings.makeLibraryPath [ mkl ]}:$LD_LIBRARY_PATH;
+  '';
+
+  meta = with lib; {
+    description = "The Operator Splitting QP Solver";
+    longDescription = ''
+      Numerical optimization package for solving problems in the form
+        minimize        0.5 x' P x + q' x
+        subject to      l <= A x <= u
+
+      where x in R^n is the optimization variable
+    '';
+    homepage = "https://osqp.org/";
+    downloadPage = "https://github.com/oxfordcontrol/osqp";
+    license = licenses.asl20;
+    maintainers = with lib.maintainers; [ drewrisinger ];
+  };
+}

pkgs/top-level/python-packages.nix

@@ -2985,6 +2985,8 @@ in {
 
   oscrypto = callPackage ../development/python-modules/oscrypto { };
 
+  osqp = callPackage ../development/python-modules/osqp { };
+
   oyaml = callPackage ../development/python-modules/oyaml { };
 
   pamela = callPackage ../development/python-modules/pamela { };