From f62845d39f575a868591d93f568b788bff9bd5bd Mon Sep 17 00:00:00 2001
From: David C Ellis <ducksual@gmail.com>
Date: Wed, 17 Jul 2024 12:50:32 +0100
Subject: [PATCH] Switch to setuptools-scm for version numbering

---
 .github/workflows/publish_to_testpypi.yml | 5 ++++-
 .gitignore                                | 3 +++
 pyproject.toml                            | 8 ++++----
 src/ducktools/classbuilder/__init__.py    | 3 +--
 4 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/.github/workflows/publish_to_testpypi.yml b/.github/workflows/publish_to_testpypi.yml
index 4745d6f..788d8c2 100644
--- a/.github/workflows/publish_to_testpypi.yml
+++ b/.github/workflows/publish_to_testpypi.yml
@@ -1,6 +1,9 @@
 name: Test Publish Package to TestPyPi
 
-on: workflow_dispatch
+on:
+  push:
+    tags:
+      - "v[0-9]+.[0-9]+.[0-9]+*"
 
 jobs:
   build:
diff --git a/.gitignore b/.gitignore
index f9450bf..af3aed0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,6 @@ hyperfine_testfiles/
 .vscode/
 __pycache__/
 *.pyc
+
+# setuptools-scm generated version file
+_version.py
diff --git a/pyproject.toml b/pyproject.toml
index 4725b98..e579afe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [build-system]
 requires = [
-    "setuptools>=61.0",
-    "wheel"
+    "setuptools>=64",
+    "setuptools-scm>=8",
 ]
 build-backend = "setuptools.build_meta"
 
@@ -29,8 +29,8 @@ license = {file = "LICENSE.md"}
 [tool.setuptools.packages.find]
 where = ["src"]
 
-[tool.setuptools.dynamic]
-version = {attr = "ducktools.classbuilder.__version__"}
+[tool.setuptools_scm]
+version_file = "src/ducktools/classbuilder/_version.py"
 
 [project.optional-dependencies]
 testing = ["pytest>=8.2", "pytest-cov", "mypy", "typing_extensions"]
diff --git a/src/ducktools/classbuilder/__init__.py b/src/ducktools/classbuilder/__init__.py
index ccefed7..d9cae82 100644
--- a/src/ducktools/classbuilder/__init__.py
+++ b/src/ducktools/classbuilder/__init__.py
@@ -33,8 +33,7 @@
 import os
 
 from .annotations import get_ns_annotations, is_classvar
-
-__version__ = "v0.6.3"
+from ._version import __version__
 
 # Change this name if you make heavy modifications
 INTERNALS_DICT = "__classbuilder_internals__"