py-param: add new package (#29384)

Co-authored-by: Massimiliano Culpo <massimiliano.culpo@gmail.com>

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

@@ -0,0 +1,23 @@
+# Copyright 2013-2022 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 import *
+
+
+class PyParam(PythonPackage):
+    """Param is a library providing Parameters: Python attributes extended to have
+    features such as type and range checking, dynamically generated values,
+    documentation strings, default values, etc., each of which is inherited from
+    parent classes if not specified in a subclass."""
+
+    homepage = "https://param.holoviz.org/"
+    pypi     = "param/param-1.12.0.tar.gz"
+
+    maintainers = ['haralmha']
+
+    version('1.12.0', sha256='35d0281c8e3beb6dd469f46ff0b917752a54bed94d1b0c567346c76d0ff59c4a')
+
+    depends_on('python@2.7:', type=('build', 'run'))
+    depends_on('py-setuptools', type='build')