Trying to get cadquery-vtk set as a separate dependency

cadquery_vtk/README.md

@@ -0,0 +1,5 @@
+# cadquery_vtk
+
+A custom build of the VTK Python wheels which are specific to the needs of the CadQuery project.
+
+This repository does not include any of the VTK source code. The source is downloaded and the wheels are built on-the-fly according to the CadQuery project's requirements.

cadquery_vtk/pyproject.toml

@@ -0,0 +1,21 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "cadquery-vtk"
+version = "9.2.6"
+requires-python = ">=3.9"
+description = "This is a custom build of the VTK Python wheels which are specific to the needs of the CadQuery project."
+readme = "README.md"
+license = "BSD-3-Clause"
+keywords = ["VTK", OpenCASCADE]
+classifiers = [
+  "Programming Language :: Python"
+]
+
+[project.urls]
+Homepage = "https://vtk.org/"
+Documentation = "https://docs.vtk.org/en/latest/"
+Repository = "https://gitlab.kitware.com/vtk/vtk"
+"Bug Tracker" = "https://gitlab.kitware.com/vtk/vtk/-/issues"

setup.py

@@ -394,7 +394,7 @@ def try_unmangle(n):
         "Topic :: Software Development :: Libraries :: Python Modules",
         "Topic :: Scientific/Engineering"
     ],
-    install_requires=["vtk==9.2.6"],
+    install_requires=["cadquery-vtk==9.2.6"],
     dependency_links=[
         'https://wheels.vtk.org'
     ],