test: add a (near) pep440 unit test

g2p/tests/test_utils.py

@@ -10,8 +10,10 @@
 from unittest import TestCase, main
 
 import yaml
+from pep440 import is_canonical
 
 from g2p import get_arpabet_langs
+from g2p._version import VERSION
 from g2p.exceptions import IncorrectFileType, RecursionError
 from g2p.log import LOGGER
 from g2p.mappings import Mapping, utils
@@ -297,6 +299,11 @@ def test_get_arpabet_langs(self):
         self.assertIs(LANGS2, LANGS)
         self.assertIs(LANG_NAMES2, LANG_NAMES)
 
+    def test_version_is_pep440_compliant(self):
+        """We test for almost PEP 440 compliance: hatch adds +local_sha1, which is not compliant."""
+        main_version, _, _ = VERSION.partition("+")
+        self.assertTrue(is_canonical(main_version))
+
 
 if __name__ == "__main__":
     main()

pyproject.toml

@@ -44,6 +44,7 @@ test = [
   "coverage[toml]>=6.5",
   "playwright>=1.26.1",
   "jsonschema>=4.17.3",
+  "pep440>=0.1.2",
   "httpx",
   # Kind of bogus that we need both httpx and aiohttp, but socketio
   # wants this