use setuptools_scm to determine the version based on the latest git tag

Signed-off-by: Andreas Lauser <[email protected]>
Signed-off-by: Florian Jost <[email protected]>

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=68"]
+requires = ["setuptools>=68", "setuptools_scm>=8"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -33,6 +33,9 @@ dependencies = [
 ]
 dynamic = ["version"]
 
+[tool.setuptools_scm]
+version_file = "src/cantools/version.py"
+
 [project.optional-dependencies]
 dev = [
     "mypy",
@@ -59,9 +62,6 @@ where = ["src"]
 [tool.setuptools.package-data]
 cantools = ["py.typed"]
 
-[tool.setuptools.dynamic]
-version = {attr = "cantools.__version__"}
-
 [tool.mypy]
 show_error_codes = true
 warn_return_any = true

src/cantools/__init__.py

@@ -12,7 +12,7 @@
 from . import database as db  # isort: skip
 
 __author__ = 'Erik Moqvist'
-__version__ = '39.3.0'
+from .version import version as __version__
 
 class _ErrorSubparser:
     def __init__(self, subparser_name, error_message):