ensure python 3.10 support

Author: RonnyPfannschmidt

.github/workflows/python-tests.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python_version: [ '3.6', '3.7', '3.8', '3.9', 'pypy3' ]
+        python_version: [ '3.6', '3.7', '3.8', '3.9', '3.10-dev', 'pypy3' ]
         os: [windows-latest, ubuntu-latest] #, macos-latest]
         include:
         - os: windows-latest

CHANGELOG.rst

@@ -3,6 +3,7 @@ v6.2.0
 
 * fix #608: resolve tomli dependency issue by making it a hard dependency
   as all intended/supported install options use pip/wheel this is only a feature release
+* ensure python 3.10 works
 
 v6.1.1
 =======

src/setuptools_scm/utils.py

@@ -151,7 +151,11 @@ def require_command(name):
 else:
 
     def iter_entry_points(group: str, name: Optional[str] = None):
-        eps = entry_points()[group]
+        all_eps = entry_points()
+        if hasattr(all_eps, "select"):
+            eps = all_eps.select(group=group)
+        else:
+            eps = all_eps[group]
         if name is None:
             return iter(eps)
         return (ep for ep in eps if ep.name == name)

testing/test_setuptools_support.py

@@ -56,6 +56,9 @@ def check(packagedir, expected_version, **env):
     )
 
 
+@pytest.mark.skipif(
+    sys.version_info[:2] >= (3, 10), reason="old setuptools wont work on python 3.10"
+)
 def test_distlib_setuptools_works(get_setuptools_packagedir):
     packagedir = get_setuptools_packagedir("45.0.0")
     check(packagedir, "45.0.0")