generate version.py with cmake

cmake/generate_version_file.cmake

@@ -49,6 +49,15 @@ endif()
 
 set(NETGEN_VERSION_LONG ${NETGEN_VERSION_SHORT}-${NETGEN_VERSION_TWEAK}-${NETGEN_VERSION_HASH})
 
+if(NOT NETGEN_VERSION_GIT)
+    set(NETGEN_VERSION_GIT ${NETGEN_VERSION_LONG})
+endif()
+
+if(NOT NETGEN_VERSION_PYTHON)
+    set(NETGEN_VERSION_PYTHON ${NETGEN_VERSION_TWEAK})
+endif()
+
+
 set(version_file ${BDIR}/netgen_version.hpp)
 set(new_version_file_string "\
 #ifndef NETGEN_VERSION_HPP_INCLUDED

python/CMakeLists.txt

@@ -5,9 +5,12 @@ if(have_options)
 endif(have_options)
 
 configure_file(config_template.py ${CMAKE_CURRENT_BINARY_DIR}/config.py @ONLY)
+configure_file(version_template.py ${CMAKE_CURRENT_BINARY_DIR}/version.py @ONLY)
 
 install(FILES
-        ${CMAKE_CURRENT_BINARY_DIR}/config.py __main__.py __init__.py
+        ${CMAKE_CURRENT_BINARY_DIR}/config.py
+        ${CMAKE_CURRENT_BINARY_DIR}/version.py
+        __main__.py __init__.py
         meshing.py csg.py geom2d.py stl.py gui.py NgOCC.py occ.py read_gmsh.py
         webgui.py
         DESTINATION ${NG_INSTALL_DIR_PYTHON}/${NG_INSTALL_SUFFIX}

python/version_template.py

@@ -0,0 +1,2 @@
+__version__ = "@NETGEN_VERSION_PYTHON@"
+__package_name__ = "@NETGEN_PYTHON_PACKAGE_NAME@"

setup.py

@@ -31,8 +31,6 @@ if len(version)>2:
     version = version[:2]
 version = '.dev'.join(version)
 
-version_file = os.path.join(os.path.dirname(__file__), "python", "version.py")
-
 py_install_dir = get_python_lib(1,0,'').replace('\\','/')
 
 name = "netgen-mesher"
@@ -88,10 +86,6 @@ cmake_args += [
 if 'PYDIR' in os.environ:
     cmake_args += [f'-DCMAKE_PREFIX_PATH={os.environ["PYDIR"]}']
 
-with open(version_file, "w") as f:
-    f.write(f'__version__ = "{version}"\n')
-    f.write(f'__package_name__ = "{name}"\n')
-
 setup(
     name=name,
     version=version,