Get rid of hidden python 3.7 dependency

src/argus/site/views.py

@@ -1,4 +1,5 @@
 import logging
+from importlib.metadata import version, PackageNotFoundError
 
 from django.conf import settings
 from django.http import (
@@ -84,6 +85,19 @@ def render_error_page(code, reason) -> bytes:
 # fmt: on
 
 
+def get_version():
+ try:
+ from argus.version import __version__
+
+ return __version__
+ except (ModuleNotFoundError, ImportError):
+ pass
+ try:
+ return version("argus-server")
+ except PackageNotFoundError as e:
+ return e
+
+
 @extend_schema_view(get=extend_schema(responses=MetadataSerializer))
 class MetadataView(APIView):
  http_method_names = ["get", "head", "options", "trace"]
@@ -92,15 +106,9 @@ class MetadataView(APIView):
  login_required = False
 
  def get(self, request, format=None):
- try:
- from argus.version import __version__
- except (ModuleNotFoundError, ImportError):
- import pkg_resources
-
- __version__ = pkg_resources.get_distribution("argus-server").version
 
  metadata = {
- "server-version": __version__,
+ "server-version": get_version(),
  "api-version": {
  "stable": "v1",
  "unstable": "v2",

tests/site/test_misc.py

@@ -0,0 +1,10 @@
+import unittest
+
+from argus.site.views import get_version
+
+
+class GetVersionTest(unittest.TestCase):
+
+ def test_get_version_never_fails(self):
+ version = get_version()
+ self.assertTrue(isinstance(version, str))