New package: py-python-mapnik (#12786)

var/spack/repos/builtin/packages/py-python-mapnik/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 PyPythonMapnik(PythonPackage):
+    """
+    Python bindings for mapnik
+    """
+
+    homepage = "https://github.com/mapnik/python-mapnik"
+    url      = "https://github.com/mapnik/python-mapnik/archive/v3.0.16.tar.gz"
+
+    version('3.0.16', sha256='643117752fa09668a1e26a360d13cd137329ae2013eb14ad92ab72fbc479fc70')
+    version('3.0.13', sha256='ced684745e778c0cac0edba89c09c6f9b9f1db18fc12744ed4710a88b78a3389')
+
+    depends_on('py-setuptools', type='build')
+    depends_on('mapnik', type=('build', 'link', 'run'))
+    depends_on('boost +python+thread')
+
+    # Package can't find boost_python without the following
+    def setup_environment(self, spack_env, run_env):
+        # Inform the package that boost python library is of form
+        # 'libboost_python27.so' as opposed to 'libboost_python.so'
+        py_ver = str(self.spec['python'].version.up_to(2).joined)
+        spack_env.set('BOOST_PYTHON_LIB', 'boost_python' + py_ver)