Patch VTK to enable python 3.8 in VTK 8.2 (#38735)

* VTK: Add patch for python 3.8 support

* CI: Re-enable VisIt in CI

* Configure spec matrix for stack with VisIt

* Add pugixml dep for 8.2.0

* Make VTK and ParaView consistent on proj dep

* OpenMPI 3: provides MP support by default

* Add details on proj dep in ParaView

* Add python 3.8 to test mock repo

* Patches to get VisIt VTK interface

* CI: Disable VisIt with GUI in DAV

share/spack/gitlab/cloud_pipelines/configs/packages.yaml

@@ -1,11 +1,14 @@
-packages: {}
-
-# CI should never build develop/main/master versions of packages. Current issues:
-# - e4s/dav
-#   - hdf5-vol-async => argobot@main
-# - aws-isc-aarch64
-#   - sse2neon
-
-# packages:
-#   all:
-#     require: "@:999999999"
+packages:
+  #all:
+    # CI should never build develop/main/master versions of
+    # packages.
+    # Current issues:
+    # - e4s/dav
+    #   - hdf5-vol-async => argobot@main
+    # - aws-isc-aarch64
+    #   - sse2neon
+    #require: "@:999999999"
+  python:
+    # This is required after https://github.com/spack/spack/pull/38619
+    # to avoid concretizing deprecated python.
+    require: "@3.8:"

share/spack/gitlab/cloud_pipelines/stacks/data-vis-sdk/spack.yaml

@@ -3,51 +3,50 @@ spack:
   packages:
     cmake:
       variants: ~ownlibs
+    ecp-data-vis-sdk:
+      require:
+      - one_of:
+        - +ascent +adios2 +cinema +darshan +faodel +hdf5 +pnetcdf +sensei +sz +unifyfs
+          +veloc +vtkm +zfp
+      - one_of:
+        - +paraview ~visit
+        - ~paraview +visit
+    hdf5:
+      require:
+      - one_of: ['@1.14', '@1.12']
     mesa:
-      require: "+glx +osmesa +opengl ~opengles +llvm"
+      require: +glx +osmesa +opengl ~opengles +llvm
     libosmesa:
-      require: "mesa +osmesa"
+      require: mesa +osmesa
     libglx:
-      require: "mesa +glx"
+      require: mesa +glx
     ospray:
-      require: "@2.8.0 +denoiser +mpi"
+      require: '@2.8.0 +denoiser +mpi'
     llvm:
-      require: "@14:"
+      require: '@14:'
       # Minimize LLVM
-      variants: "~lldb~lld~polly~gold libunwind=none compiler-rt=none"
+      variants: ~lldb~lld~polly~gold libunwind=none compiler-rt=none
     all:
       require: target=x86_64_v3
 
   definitions:
   - paraview_specs:
     - matrix:
-      - - paraview
-      - - +qt~osmesa ^glew gl=glx # GUI Support w/ GLX Rendering
-        - ~qt~osmesa ^glew gl=glx # GLX Rendering
-        - ~qt+osmesa ^glew gl=osmesa # OSMesa Rendering
+      - - paraview +raytracing
+      - - +qt~osmesa # GUI Support w/ GLX Rendering
+        - ~qt~osmesa # GLX Rendering
+        - ~qt+osmesa # OSMesa Rendering
   - visit_specs:
     - matrix:
       - - visit
-      - - +gui~osmesa # GUI Support w/ GLX Rendering
-        - ~gui~osmesa # GLX Rendering
+      - - ~gui~osmesa # GLX Rendering
         - ~gui+osmesa # OSMesa Rendering
+        # VisIt GUI does not work with Qt 5.14.2
+        # - +gui~osmesa # GUI Support w/ GLX Rendering
   - sdk_base_spec:
     - matrix:
-      - - ecp-data-vis-sdk
-            +ascent
-            +adios2
-            +cinema
-            +darshan
-            +faodel
-            +hdf5
-            +paraview
-            +pnetcdf
-            +sensei
-            +sz
-            +unifyfs
-            +veloc
-            +vtkm
-            +zfp
+      - - ecp-data-vis-sdk +ascent +adios2 +cinema +darshan +faodel +hdf5 +pnetcdf
+          +sensei +sz +unifyfs +veloc +vtkm +zfp
       - - ~cuda ~rocm
         # Current testing of GPU supported configurations
         # is provided in the E4S stack
@@ -55,22 +54,20 @@ spack:
         # - ~cuda +rocm
 
   specs:
-    # Test ParaView builds with different GL backends
-    - matrix:
-      - [$sdk_base_spec]
-      - [$^paraview_specs]
-      - - ^hdf5@1.14 # Non-VisIt can build HDF5 1.14
-    # Test ParaView builds with differnt GL backends
-    # - matrix:
-    #   - [$sdk_base_spec]
-    #   - [$^visit_specs]
+    # Test ParaView and VisIt builds with different GL backends
+  - matrix:
+    - [$sdk_base_spec]
+    - [$^paraview_specs]
+  - matrix:
+    - [$sdk_base_spec]
+    - [$^visit_specs]
 
-  mirrors: { "mirror": "s3://spack-binaries/develop/data-vis-sdk" }
+  mirrors: {mirror: s3://spack-binaries/develop/data-vis-sdk}
 
   ci:
     pipeline-gen:
     - build-job:
-        image: { "name": "ecpe4s/ubuntu20.04-runner-x86_64:2023-01-01", "entrypoint": [""] }
+        image: {name: ecpe4s/ubuntu20.04-runner-x86_64:2023-01-01, entrypoint: ['']}
 
   cdash:
-    build-group:: Data and Vis SDK
+    'build-group:': Data and Vis SDK