Rework setuptools-scm configuration

.gitignore

@@ -62,7 +62,3 @@ target/
 
 # pyenv
 .python-version
-
-
-# generated by setuptools_scm
-pytest_asyncio/_version.py

pyproject.toml

@@ -1,8 +1,8 @@
 [build-system]
 build-backend = "setuptools.build_meta"
 requires = [
-  "setuptools>=77",
-  "setuptools-scm[toml]>=6.2",
+  "setuptools==80.9",
+  "setuptools-scm==9.2",
 ]
 
 [project]
@@ -67,7 +67,6 @@ packages = [
 include-package-data = true
 
 [tool.setuptools_scm]
-write_to = "pytest_asyncio/_version.py"
 local_scheme = "no-local-version"
 
 [tool.ruff]
@@ -138,9 +137,6 @@ source = [
 ]
 branch = true
 data_file = "coverage/coverage"
-omit = [
-  "*/_version.py",
-]
 parallel = true
 
 [tool.coverage.report]

pytest_asyncio/__init__.py

@@ -2,7 +2,10 @@
 
 from __future__ import annotations
 
-from ._version import version as __version__  # noqa: F401
+from importlib.metadata import version
+
 from .plugin import fixture, is_async_test
 
+__version__ = version(__name__)
+
 __all__ = ("fixture", "is_async_test")

tests/test_package.py

@@ -0,0 +1,5 @@
+import pytest_asyncio
+
+
+def test_package_exposes_version():
+    assert pytest_asyncio.__version__