paraview: add cdi support (#44222)

* add basic CDI package

* add CDI variant to paraview

* [@spackbot] updating style on behalf of albestro

---------

Co-authored-by: albestro <albestro@users.noreply.github.com>

2 files changed, 37 insertions, 0 deletions

diff --git a/var/spack/repos/builtin/packages/cdi/package.py b/var/spack/repos/builtin/packages/cdi/package.py
new file mode 100644
index 0000000000..67ced0fa8a
--- /dev/null
+++ b/var/spack/repos/builtin/packages/cdi/package.py
@@ -0,0 +1,30 @@
+# Copyright 2013-2024 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.package import *
+
+
+class Cdi(AutotoolsPackage):
+    """
+    CDI is a C and Fortran Interface to access Climate and NWP model Data.
+    Supported data formats are GRIB, netCDF, SERVICE, EXTRA and IEG.
+    """
+
+    homepage = "https://code.mpimet.mpg.de/projects/cdi"
+    url = "https://code.mpimet.mpg.de/attachments/download/29309/cdi-2.4.0.tar.gz"
+
+    version("2.4.0", sha256="91fca015b04c6841b9eab8b49e7726d35e35b9ec4350922072ec6e9d5eb174ef")
+
+    variant(
+        "netcdf", default=True, description="This is needed to read/write NetCDF files with CDI"
+    )
+
+    depends_on("netcdf-c", when="+netcdf")
+
+    def configure_args(self):
+        args = []
+        if "+netcdf" in self.spec:
+            args.append("--with-netcdf=" + self.spec["netcdf-c"].prefix)
+        return args
diff --git a/var/spack/repos/builtin/packages/paraview/package.py b/var/spack/repos/builtin/packages/paraview/package.py
index 6eb986df7f..03907038fb 100644
--- a/var/spack/repos/builtin/packages/paraview/package.py
+++ b/var/spack/repos/builtin/packages/paraview/package.py
@@ -88,6 +88,7 @@ class Paraview(CMakePackage, CudaPackage, ROCmPackage):
     variant("adios2", default=False, description="Enable ADIOS2 support", when="@5.8:")
     variant("visitbridge", default=False, description="Enable VisItBridge support")
     variant("raytracing", default=False, description="Enable Raytracing support")
+    variant("cdi", default=False, description="Enable CDI support")
     variant(
         "openpmd",
         default=False,
@@ -234,6 +235,8 @@ class Paraview(CMakePackage, CudaPackage, ROCmPackage):
     depends_on("openimagedenoise", when="+raytracing")
     depends_on("ospray +mpi", when="+raytracing +mpi")
 
+    depends_on("cdi", when="+cdi")
+
     depends_on("bzip2")
     depends_on("double-conversion")
     depends_on("expat")
@@ -706,6 +709,10 @@ class Paraview(CMakePackage, CudaPackage, ROCmPackage):
         cmake_args.append(self.define_from_variant("VTK_ENABLE_OSPRAY", "raytracing"))
         cmake_args.append(self.define_from_variant("VTKOSPRAY_ENABLE_DENOISER", "raytracing"))
 
+        # CDI
+        cmake_args.append(self.define_from_variant("PARAVIEW_PLUGIN_ENABLE_CDIReader", "cdi"))
+        cmake_args.append(self.define_from_variant("PARAVIEW_PLUGIN_AUTOLOAD_CDIReader", "cdi"))
+
         return cmake_args
 
     def test_smoke_test(self):