Read version from Python

libmambapy/CMakeLists.txt

@@ -28,7 +28,6 @@ pybind11_add_module(
     src/libmambapy/core/longpath.manifest
     src/libmambapy/core/core.cpp
     src/libmambapy/core/main.cpp
-    src/libmambapy/core/version.cpp
 )
 
 target_include_directories(core PRIVATE src/libmambapy/core)

libmambapy/setup.py

@@ -1,15 +1,30 @@
+import importlib.util
 import os
+import pathlib
 
 import skbuild
 import skbuild.constants
 
+__dir__ = pathlib.Path(__file__).parent.absolute()
+
 
 def CMAKE_INSTALL_DIR():
     """Where scikit-build configures CMAKE_INSTALL_PREFIX."""
     return os.path.abspath(skbuild.constants.CMAKE_INSTALL_DIR())
 
 
+def libmambapy_version():
+    """Get the version of libmambapy from its version module."""
+    spec = importlib.util.spec_from_file_location(
+        "libmambapy_version", __dir__ / "src/libmambapy/version.py"
+    )
+    ver = importlib.util.module_from_spec(spec)
+    spec.loader.exec_module(ver)
+    return ver.__version__
+
+
 skbuild.setup(
+    version=libmambapy_version(),
     packages=["libmambapy", "libmambapy.core"],
     package_dir={"": "src"},
     package_data={"libmambapy": ["py.typed", "__init__.pyi"]},

libmambapy/src/libmambapy/__init__.py

@@ -1,8 +1,5 @@
-import libmambapy.core.version
+import libmambapy.version
 from libmambapy.core.bindings import *  # Legacy which used to combine everything
 
-# Shim submodules as core submodules
-version = libmambapy.core.version
-
 # Define top-level attributes
-__version__ = version.__version__
+__version__ = libmambapy.version.__version__

libmambapy/src/libmambapy/core/core.cpp

@@ -8,6 +8,5 @@
 
 PYBIND11_MODULE(core, m)
 {
-    mambapy::version::bind_submodule(m.def_submodule("version"));
     mambapy::bindings::bind_submodule(m.def_submodule("bindings"));
 }

libmambapy/src/libmambapy/core/core.hpp

@@ -11,11 +11,6 @@
 
 namespace mambapy
 {
-    namespace version
-    {
-        void bind_submodule(pybind11::module_ m);
-    }
-
     namespace bindings
     {
         void bind_submodule(pybind11::module_ m);

libmambapy/src/libmambapy/version.py

@@ -0,0 +1,2 @@
+version_info = (1, 5, 1)
+__version__ = ".".join(map(str, version_info))

libmambapy/src/libmambapy/version.py.tmpl

@@ -0,0 +1,2 @@
+version_info = ({{ version_major }}, {{ version_minor }}, {{ version_patch }})
+__version__ = ".".join(map(str, version_info))

releaser.py

@@ -8,7 +8,7 @@
 templates = {
     "libmamba": "libmamba/include/mamba/version.hpp.tmpl",
     "micromamba": "micromamba/src/version.hpp.tmpl",
-    "libmambapy": "libmambapy/src/libmambapy/core/version.cpp.tmpl",
+    "libmambapy": "libmambapy/src/libmambapy/version.py.tmpl",
 }