use setuptools-scm for package version

.gitignore

@@ -133,3 +133,6 @@ dmypy.json
 
 # MacOS
 .DS_Store
+
+# setuptools-scm
+_version.py

olaf/__init__.py

@@ -27,7 +27,10 @@
 from .common.service import Service, ServiceState
 from .common.timer_loop import TimerLoop
 
-__version__ = "3.3.1"
+try:
+    from ._version import version as __version__
+except ImportError:
+    __version__ = "unknown"  # package is not installed
 
 olaf_parser = ArgumentParser(prog="OLAF", add_help=False)
 olaf_parser.add_argument("-b", "--bus", default="vcan0", help="CAN bus to use, defaults to vcan0")

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools"]
+requires = ["setuptools", "setuptools_scm"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -28,15 +28,15 @@ dependencies = [
 ]
 dynamic = ["version"]
 
-[tool.setuptools.dynamic]
-version = {attr = "olaf.__version__"}
-
 [tool.setuptools.packages.find]
 exclude = ["docs*", "tests*"]
 
 [tool.setuptools.package-data]
 "*" = ["*.html", "*.ico"]
 
+[tool.setuptools_scm]
+write_to = "olaf/_version.py"
+
 [tool.black]
 line_length = 100
 
@@ -76,6 +76,11 @@ path = "tests/*"
 # W0212:    Access to a protected member of a class
 ignore = "W0212"
 
+[[tool.pylama.files]]
+path = "*/_version.py"
+# C0114:    Missing module docstring
+ignore = "C0114"
+
 [[tool.mypy.overrides]]
 module = "canopen,oresat_configs,psutil"
 ignore_missing_imports = true

requirements.txt

@@ -10,6 +10,7 @@ psutil
 pylama[all]
 pylama[toml]
 setuptools
+setuptools-scm
 sphinx
 sphinx-rtd-theme
 sphinxcontrib-mermaid