build!: use setuptools-scm to declare version (#428)

pyproject.toml

@@ -58,15 +58,14 @@ therapy_norm_update = "therapy.cli:update_normalizer_db"
 therapy_norm_check_db = "therapy.cli:check_db"
 
 [build-system]
-requires = ["setuptools>=64.0"]
+requires = ["setuptools>=64", "setuptools_scm>=8"]
 build-backend = "setuptools.build_meta"
 
-[tool.setuptools.dynamic]
-version = {attr = "therapy.version.__version__"}
-
 [tool.setuptools.packages.find]
 where = ["src"]
 
+[tool.setuptools_scm]
+
 [tool.setuptools.package-data]
 "therapy.etl" = ["*.csv"]
 

src/therapy/__init__.py

@@ -1,13 +1,20 @@
 """The VICC library for normalizing therapies."""
 
 import re
+from importlib.metadata import PackageNotFoundError, version
 from pathlib import Path
 
-from .version import __version__  # noqa: F401
-
 APP_ROOT: Path = Path(__file__).resolve().parents[0]
 
 
+try:
+    __version__ = version("thera-py")
+except PackageNotFoundError:
+    __version__ = "unknown"
+finally:
+    del version, PackageNotFoundError
+
+
 from therapy.schemas import (  # noqa: E402
     NamespacePrefix,
     RefType,

src/therapy/schemas.py

@@ -7,7 +7,7 @@
 from ga4gh.core import domain_models
 from pydantic import BaseModel, ConfigDict, StrictBool, constr
 
-from therapy.version import __version__
+from therapy import __version__
 
 # Working structure for object in preparation for upload to DB
 RecordParams = dict[str, list | set | str | dict[str, Any]]

tests/unit/test_query.py

@@ -756,14 +756,14 @@ def test_service_meta(search_handler, normalize_handler):
     response = search_handler.search(query)
     service_meta = response.service_meta_
     assert service_meta.name == "thera-py"
-    assert service_meta.version >= "0.2.13"
+    assert service_meta.version != "unknown"
     assert isinstance(service_meta.response_datetime, datetime)
     assert service_meta.url == "https://github.com/cancervariants/therapy-normalization"
 
     response = normalize_handler.normalize(query)
     service_meta = response.service_meta_
     assert service_meta.name == "thera-py"
-    assert service_meta.version >= "0.2.13"
+    assert service_meta.version != "unknown"
     assert isinstance(service_meta.response_datetime, datetime)
     assert service_meta.url == "https://github.com/cancervariants/therapy-normalization"