build: single source of truth for version

CMakeLists.txt

@@ -1,7 +1,10 @@
 cmake_minimum_required(VERSION 3.15...3.22)
 
+file(READ ${CMAKE_CURRENT_LIST_DIR}/version.txt PACKAGE_VERSION)
+string(STRIP ${PACKAGE_VERSION} PACKAGE_VERSION)
+
 set(CMAKE_EXPORT_COMPILE_COMMANDS On)
-project(vowpal_wabbit_next VERSION "0.0.1")
+project(vowpal_wabbit_next VERSION "${PACKAGE_VERSION}")
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)

setup.py

@@ -16,10 +16,13 @@
 with open(pathlib.Path(__file__).parent.resolve() / "README.md", encoding="utf-8") as f:
     long_description = f.read()
 
+with open(pathlib.Path(__file__).parent.resolve() / "version.txt", "r", encoding="utf-8") as version_file:
+    version = version_file.read().strip()
+
 
 setup(
     name="vowpal-wabbit-next",
-    version="0.1.1",
+    version=version,
     description="Experimental python bindings for VowpalWabbit",
     long_description=long_description,
     long_description_content_type="text/markdown",

src/vowpal_wabbit_next/_core.pyi

@@ -288,6 +288,6 @@ def _write_cache_example(workspace: Workspace, example: Example, file: object) -
     pass
 def _write_cache_header(workspace: Workspace, file: object) -> None:
     pass
-__version__ = '0.0.1'
+__version__ = '0.1.1'
 _vw_commit = '8a6c027'
 _vw_version = '9.7.0'

version.txt

@@ -0,0 +1 @@
+0.1.1