New package: cinema_lib (#14231)

* Start cinema package

* Remove boilerplate and add description

* Formatting for pep8

* Correct milestone tag

* 'master' instead of 'develop'

Co-Authored-By: Adam J. Stewart <ajstewart426@gmail.com>

* Two variants, both with numpy and other small changes

* When +image for scikit

Co-authored-by: Adam J. Stewart <ajstewart426@gmail.com>

var/spack/repos/builtin/packages/py-cinema-lib/package.py

+# Copyright 2013-2019 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 PyCinemaLib(PythonPackage):
+    """cinema_lib is a set of tools and library for interacting with a
+    Cinema database (currently Spec A and Spec D) through Python and
+    the command line tool, cinema."""
+
+    homepage = "https://cinemascience.github.io/"
+    url = "https://github.com/cinemascience/cinema_lib/archive/1.2.1.tar.gz"
+    git = "https://github.com/cinemascience/cinema_lib.git"
+
+    maintainers = ['EthanS94']
+
+    version('master', branch='master')
+    version('1.2.1', sha256='13c6c7b3df7dae3e05c2f44009b7c149841f604b7c51f36067bbcea9e2d088eb')
+    version('1.2.0', sha256='f76b55517b7cfe7311d953426e08ce364b2e7e1cf84699828c229dd068ee3a08')
+    version('1.1.1', sha256='90001554b0f3207d57da9fcab768732449d89a9d5bf54cfe0928a76649caebe8')
+    version('1.1.0', sha256='2bd1787106643fd533e899a7e1b0f57f3933cde8c907e762f38ca95ac10316fd')
+    version('1.0.2', sha256='3ebe52546e1325bd23732cd171146dbb2a9e0c25ac616224bf6f8fff9e8d48b1')
+    version('1.0.1', sha256='5c2d220aa1dc28aec18f73c5cf0c4be3c834fffa0580e85b07050ff46364095d')
+    version('1.0.0', sha256='9e2967fd22f1b1324ca2579df6501d0bfbc5fb142ca41c7a02f9b7d109767d3c')
+    version('ECPMilestone201806', sha256='dfb7b1d0e3d8d1865814622879ddb019c2a16efb947201832a56a98186ff46ce')
+
+    variant('image', default=True,
+            description='Enable image-processing algorithms from scikit-image')
+    variant('opencv', default=False,
+            description='Enable computer vision algorithms from OpenCV')
+
+    depends_on('python@3.6:', type=('build', 'run'))
+    depends_on('py-numpy@1.13:', when='+image', type=('build', 'run'))
+    depends_on('py-numpy@1.13:', when='+opencv', type=('build', 'run'))
+    depends_on('py-scikit-image@0.13.1:', when='+image',
+               type=('build', 'run'))
+    depends_on('opencv@3.4:+python', when='+opencv', type=('build', 'run'))
+    depends_on('py-setuptools', type=('build', 'run'))