add holoviews spack package

packages/py-holoviews/package.py

+
+# 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.package import *
+
+
+class PyHoloviews(PythonPackage):
+    """HoloViews is an open-source Python library designed to make data analysis and visualization seamless and simple."""
+
+    homepage = "https://holoviews.org/"
+    pypi = "holoviews/holoviews-1.18.0.tar.gz"
+
+    maintainers = ['']
+
+    version('1.18.0', sha256='bab72961ab7a18794db269351d905523f2aadcad593b321512927ce93dc9df91')
+
+    depends_on('python@3.7:3.10', type=('build', 'run'))
+    depends_on('py-setuptools', type='build')
+    depends_on('py-pyct', type='build')
+    depends_on('py-matplotlib', type=('build','run'))
+    depends_on('py-bokeh', type=('build','run'))
+    depends_on('py-jupyterlab-widgets', type="run")
+    depends_on('py-ipywidgets', type="run")
+
+
+    depends_on("py-pytest", type=("test"))
+
+    @run_after('install')
+    @on_package_attributes(run_tests=True)
+    def install_test(self):
+        # run tests
+        # TODO: replace if clause with @run_after('install', when='@1.18.0:') after update to Spack v0.19
+        if self.spec.version >= Version('1.18.0'):
+            pytest = which('pytest')
+            pytest()
\ No newline at end of file

spack.yaml

@@ -29,6 +29,7 @@ spack:
     - py-hbp-neuromorphic-platform@0.11.0
     - py-hbp-validation-client@0.8.2
     - py-hippounit@1.3.6
+    - py-holoviews@1.18.0
     - py-lfpy@2.3
     - py-lfpykit@0.5.1
     - py-libsonata@0.1.23