New package: py-pymumps (#19526)

* New package: py-pymumps

Python bindings for MUMPS, a parallel sparse direct solver

* py-pymumps: fixing flake issues

* py-pymumps: fix dependency types

Following suggestion of @adamjstewart

* Update var/spack/repos/builtin/packages/py-pymumps/package.py

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

* Update var/spack/repos/builtin/packages/py-pymumps/package.py

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

* Update var/spack/repos/builtin/packages/py-pymumps/package.py

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

* Update var/spack/repos/builtin/packages/py-pymumps/package.py

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

* Update var/spack/repos/builtin/packages/py-pymumps/package.py

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

* Update var/spack/repos/builtin/packages/py-pymumps/package.py

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

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

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

@@ -0,0 +1,46 @@
+# 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 PyPymumps(PythonPackage):
+    """Python bindings for MUMPS, a parallel sparse direct solver"""
+
+    homepage = "http://github.com/pymumps/pymumps"
+    pypi = "PyMUMPS/PyMUMPS-0.3.2.tar.gz"
+    git = "https://github.com/PyMumps/pymumps.git"
+
+    # Add a list of GitHub accounts to notify when the
+    # package is updated
+    maintainers = ['payerle']
+
+    version('0.3.2', sha256='f290ec4850098f108fb91cb9e7fa07302ebf5076e4329f8e6ea4924de8ba35df')
+
+    depends_on('py-cython', type='build')
+    depends_on('py-setuptools', type='build')
+    depends_on('mumps', type='link')
+    depends_on('py-mpi4py', type=('build', 'run'))
+
+    # Patch to add libmumps_common.so to library dependencies
+    # See https://github.com/PyMumps/pymumps/issues/13
+    patch('py-pymumps.setup.patch')
+
+    phases = ['build_ext', 'install']
+
+    def build_ext_args(self, spec, prefix):
+        # Requires --library-dirs,
+        # '--libraries', spec['mumps'].prefix.libs, does not cut it
+        args = ['--include-dirs',
+                spec['mumps'].prefix.include,
+                '--library-dirs',
+                spec['mumps'].libs.directories[0],
+                '--rpath',
+                spec['mumps'].libs.directories[0],
+                '-l', 'dmumps',
+                '-l', 'mumps_common',
+                '-l', 'pord',
+                ]
+        return args

var/spack/repos/builtin/packages/py-pymumps/py-pymumps.setup.patch

@@ -0,0 +1,15 @@
+# Add mumps_common to library list
+# This is solution proposed in 
+# https://github.com/PyMumps/pymumps/issues/13
+diff -Naur spack-src/setup.py spack-src.patched/setup.py
+--- spack-src/setup.py	2018-11-05 16:57:21.000000000 -0500
++++ spack-src.patched/setup.py	2020-10-26 11:23:41.363767947 -0400
+@@ -35,7 +35,7 @@
+         Extension(
+             'mumps._dmumps',
+             sources=['mumps/_dmumps.pyx'],
+-            libraries=['dmumps'],
++            libraries=['dmumps', 'mumps_common'],
+         ),
+     ],
+     install_requires=['mpi4py'],