Add: openPMD-viewer (#27516)

* Add: openPMD-viewer

Add the `py-openpmd-viewer` package.

* openPMD-viewer: Improve Variant Control

* openPMD-viewer: Update to Source from Pip/PyPA

https://spack.readthedocs.io/en/latest/build_systems/pythonpackage.html#pypi-vs-github

* Fix style: comment

* openPMD-viewer: fix requirements

add reviewer feedback

1 files changed, 56 insertions, 0 deletions

diff --git a/var/spack/repos/builtin/packages/py-openpmd-viewer/package.py b/var/spack/repos/builtin/packages/py-openpmd-viewer/package.py
new file mode 100644
index 0000000000..a348b8b4f7
--- /dev/null
+++ b/var/spack/repos/builtin/packages/py-openpmd-viewer/package.py
@@ -0,0 +1,56 @@
+# 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 PyOpenpmdViewer(PythonPackage):
+    """Python visualization tools for openPMD files"""
+
+    homepage = "https://www.openPMD.org"
+    git      = "https://github.com/openPMD/openPMD-viewer.git"
+    pypi     = 'openPMD-viewer/openPMD-viewer-1.2.0.tar.gz'
+
+    maintainers = ['RemiLehe', 'ax3l']
+
+    version('1.2.0', sha256='a27f8ac522c4c76fd774095e156a8b280c9211128f50aa07f16ac70d8222384d')
+
+    variant('backend', default='h5py,openpmd-api', multi=True,
+            values=('h5py', 'openpmd-api'))
+    variant('jupyter', default=False,
+            description='Enable Jupyter Widget GUI')
+    variant('numba', default=False,
+            description='Enable accelerated depositions for histograms')
+    variant('plot', default=True,
+            description='Enable plotting support')
+    variant('tutorials', default=True,
+            description='Enable dependencies for tutorials')
+
+    depends_on('python@3.5:', type=('build', 'run'))
+    depends_on('py-numpy@1.15:1', type=('build', 'run'))
+    depends_on('py-scipy', type=('build', 'run'))
+    depends_on('py-setuptools', type='build')
+    depends_on('py-tqdm', type=('build', 'run'))
+
+    depends_on('py-h5py@2.8.0:', type=('build', 'run'))
+    with when('backend=openpmd-api'):
+        depends_on('openpmd-api +python -mpi', type=('build', 'run'))
+
+    with when('+jupyter'):
+        depends_on('py-ipywidgets', type=('build', 'run'))
+        depends_on('py-jupyter', type=('build', 'run'))
+        depends_on('py-tqdm +notebook', type=('build', 'run'))
+
+    with when('+numba'):
+        depends_on('py-numba', type=('build', 'run'))
+
+    with when('+plot'):
+        depends_on('py-matplotlib', type=('build', 'run'))
+        # missing in Spack:
+        # with when('+jupyter'):
+        #     depends_on('py-ipympl', type=('build', 'run'))
+
+    with when('+tutorials'):
+        depends_on('py-wget', type=('build', 'run'))