py-nbsphinx: new package (#21444)

* added py-nbsphinx package

* added a comment about nbsphinx use

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

@@ -0,0 +1,31 @@
+# Copyright 2013-2021 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 PyNbsphinx(PythonPackage):
+    """nbsphinx is a Sphinx extension that provides a source parser for
+    *.ipynb files.
+    """
+
+    # It should be noted that in order to have nbsphinx work,
+    # one must create a Spack view of the dependencies.
+
+    homepage = "https://nbsphinx.readthedocs.io"
+    pypi     = "nbsphinx/nbsphinx-0.8.0.tar.gz"
+
+    version('0.8.1', sha256='24d59aa3a1077ba58d9769c64c38fb05b761a1af21c1ac15f6393500cd008ea6')
+    version('0.8.0', sha256='369c16fe93af14c878d61fb3e81d838196fb35b27deade2cd7b95efe1fe56ea0')
+
+    depends_on('python@3.6:', type=('build', 'run'))
+    depends_on('py-setuptools', type='build')
+    depends_on('py-docutils', type=('build', 'run'))
+    depends_on('py-jinja2', type=('build', 'run'))
+    depends_on('py-nbconvert@:5.3,5.5:', type=('build', 'run'))
+    depends_on('py-traitlets', type=('build', 'run'))
+    depends_on('py-nbformat', type=('build', 'run'))
+    depends_on('py-sphinx@1.8:', type=('build', 'run'))