new package: py-pysolar (#18380)

* new package: py-pysolar

* latest version depends on python@3, flake8

* add missing dependencies

Co-authored-by: sbulut <sbulut@3vgeomatics.com>
Co-authored-by: Sinan81 <Sinan81@earth>

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

@@ -0,0 +1,22 @@
+# 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)
+
+from spack import *
+
+
+class PyPysolar(PythonPackage):
+    """Pysolar is a collection of Python libraries for simulating the
+       irradiation of any point on earth by the sun. It includes code
+       for extremely precise ephemeris calculations, and more."""
+
+    homepage = "http://pysolar.readthedocs.io"
+    url      = "https://pypi.io/packages/source/p/pysolar/pysolar-0.8.tar.gz"
+
+    version('0.8', sha256='548c05177acd2845143d9624e670635cd3e5c3a63782449ca35e090ca755c617')
+
+    depends_on('py-setuptools', type='build')
+    depends_on('python@3:', type=('build', 'run'), when='@0.8:')
+    depends_on('py-numpy',  type=('build', 'run'))
+    depends_on('py-pytz',  type=('build', 'run'))