Switch to scm for pyproj version

See merge request !35

pyproject.toml

-[build-system]
-requires = ["setuptools >= 61.2", "wheel"]
-build-backend = "setuptools.build_meta"
-
 [project]
 name = "theia_dumper"
 description = "THEIA-MTP geospatial data publisher"
@@ -33,12 +29,15 @@ classifiers = [
 [project.optional-dependencies]
 test = ["pytest", "coverage"]
 
+[build-system]
+requires = ["setuptools>=61.0", "setuptools_scm[toml]>=6.2"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools_scm]
+
 [project.scripts]
 theia_dumper = "theia_dumper.cli:theia_dumper"
 
-[tool.setuptools.dynamic]
-version = { attr = "theia_dumper.__version__" }
-
 [tool.pydocstyle]
 convention = "google"
 

theia_dumper/__init__.py

 """Theia dumper package."""
 
-__version__ = "0.2.4"
+from importlib.metadata import version, PackageNotFoundError
+
+try:
+    __version__ = version("theia_dumper")
+except PackageNotFoundError:
+    pass