py-nbclient: add new package (#18628)

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

@@ -0,0 +1,23 @@
+# Copyright 2013-2020 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)
+
+
+class PyNbclient(PythonPackage):
+    """A client library for executing notebooks.
+
+    Formally nbconvert's ExecutePreprocessor."""
+
+    homepage = "https://jupyter.org/"
+    url      = "https://pypi.io/packages/source/n/nbclient/nbclient-0.5.0.tar.gz"
+
+    version('0.5.0', sha256='8ad52d27ba144fca1402db014857e53c5a864a2f407be66ca9d74c3a56d6591d')
+
+    depends_on('python@3.6:', type=('build', 'run'))
+    depends_on('py-setuptools', type='build')
+    depends_on('py-traitlets@4.2:', type=('build', 'run'))
+    depends_on('py-jupyter-client@6.1.5:', type=('build', 'run'))
+    depends_on('py-nbformat@5.0:', type=('build', 'run'))
+    depends_on('py-async-generator', type=('build', 'run'))
+    depends_on('py-nest-asyncio', type=('build', 'run'))