py-moarchiving: new package (#40558)

* [add] py-moarchiving: new package

* py-moarchiving: update from review: description, variant default value is False, switch when and type

---------

Co-authored-by: LydDeb <lyderic.debusschere@eolen.com>

var/spack/repos/builtin/packages/py-moarchiving/package.py

@@ -0,0 +1,25 @@
+# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
+# Spack Project Developers. See the top-level COPYRIGHT file for details.
+#
+# SPDX-License-Identifier: (Apache-2.0 OR MIT)
+
+from spack.package import *
+
+
+class PyMoarchiving(PythonPackage):
+    """
+    Biobjective Archive class with hypervolume indicator and uncrowded
+    hypervolume improvement computation.
+    """
+
+    homepage = "https://github.com/CMA-ES/moarchiving"
+    pypi = "moarchiving/moarchiving-0.6.0.tar.gz"
+
+    maintainers("LydDeb")
+
+    version("0.6.0", sha256="705ded992d399bc1ac703e68391bded6f64e1bde81b2bb25061eaa6208b5b29a")
+
+    variant("arbitrary_precision", default=False, description="Build with Fraction support")
+
+    depends_on("py-setuptools", type="build")
+    depends_on("py-fraction", when="+arbitrary_precision", type=("build", "run"))