let python module get its version dynamically from the current tag an…

…d branch so that they can be uploaded to test pypi without overlapping

CMakeLists.txt

@@ -7,7 +7,8 @@ if(NOT DEFINED CMAKE_CUDA_ARCHITECTURES)
   set(CMAKE_CUDA_ARCHITECTURES 75)
 endif()
 
-project(nuTens)
+# set the project name and version
+project(nuTens VERSION 0.0.3)
 
 # Changes default install path to be a subdirectory of the build dir.
 # Can set build dir at configure time with -DCMAKE_INSTALL_PREFIX=/install/path

pyproject.toml

@@ -1,7 +1,6 @@
 
 [project]
 name = "nuTens"
-version = "0.0.3"
 description="Library to calculate neutrino oscillation probabilities using tensors"
 readme = "README.md"
 authors = [
@@ -24,6 +23,7 @@ classifiers = [
 dependencies = [
   "torch"
 ]
+dynamic = ["version"]
 
 [project.urls]
 Repository = "https://github.com/ewanwm/nuTens"
@@ -39,3 +39,12 @@ build-frontend = "build[uv]"
 
 [tool.scikit-build.cmake]
 args = ["-DNT_ENABLE_PYTHON=ON"]
+
+[tool.scikit-build.metadata.version]
+provider = "scikit_build_core.metadata.setuptools_scm"
+
+[tool.scikit-build.sdist]
+include = ["src/package/_version.py"]
+
+[tool.setuptools_scm]  # Section required
+write_to = "_version.py"

python/CMakeLists.txt

@@ -10,6 +10,6 @@ endif()
 target_link_libraries( _pyNuTens PUBLIC nuTens )
 
 # This is passing in the version as a define just as an example
-target_compile_definitions( _pyNuTens PRIVATE VERSION_INFO=${PROJECT_VERSION} )
+target_compile_definitions( _pyNuTens PRIVATE VERSION_INFO=${CMAKE_PROJECT_VERSION} )
 
 install( TARGETS _pyNuTens DESTINATION nuTens/ )