Allow InstancePropertyHelper to accept properties with names on Python 3.13+

.github/workflows/ci-tests.yml

@@ -20,6 +20,7 @@ jobs:
  - "3.10"
  - "3.11"
  - "3.12"
+ - "3.13-dev"
  - "pypy-3.8"
  os:
  - "ubuntu-20.04"

setup.py

@@ -39,6 +39,7 @@ def readfile(name):
 tests_require = [
  'webtest >= 1.3.1', # py3 compat
  'zope.component >= 4.0', # py3 compat
+ 'legacy-cgi;python_version>="3.13"', # needed by webob, Pylons/webob#437
 ]
 
 docs_extras = [

src/pyramid/util.py

@@ -110,7 +110,8 @@ def make_property(cls, callable, name=None, reify=False):
  if name is None:
  if not hasattr(callable, '__name__'):
  raise ValueError(
- 'missing __name__, must specify "name" for property'
+ 'missing __name__, must specify "name" for property '
+ 'on Python < 3.13'
  )
  name = callable.__name__
  name = get_callable_name(name)

tests/test_util.py

@@ -67,13 +67,21 @@ def worker(obj):
 
  def test_property_without_name(self):
  def worker(obj): # pragma: no cover
- pass
+ return obj.bar
 
  foo = Dummy()
  helper = self._getTargetClass()
- self.assertRaises(
- ValueError, helper.set_property, foo, property(worker)
- )
+ if sys.version_info < (3, 13):
+ self.assertRaises(
+ ValueError, helper.set_property, foo, property(worker)
+ )
+ else:
+ # Since Python 3.13, the name of the property is automatic
+ helper.set_property(foo, property(worker))
+ foo.bar = 1
+ self.assertEqual(1, foo.worker)
+ foo.bar = 2
+ self.assertEqual(2, foo.worker)
 
  def test_property_with_name(self):
  def worker(obj):
@@ -272,10 +280,18 @@ def worker(obj):
 
  def test_property_without_name(self):
  def worker(obj): # pragma: no cover
- pass
+ return obj.bar
 
  foo = self._makeOne()
- self.assertRaises(ValueError, foo.set_property, property(worker))
+ if sys.version_info < (3, 13):
+ self.assertRaises(ValueError, foo.set_property, property(worker))
+ else:
+ # Since Python 3.13, the name of the property is automatic
+ foo.set_property(property(worker))
+ foo.bar = 1
+ self.assertEqual(1, foo.worker)
+ foo.bar = 2
+ self.assertEqual(2, foo.worker)
 
  def test_property_with_name(self):
  def worker(obj):

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 envlist =
  lint,
- py38,py39,py310,py311,py312,pypy3,
+ py38,py39,py310,py311,py312,py313,pypy3,
  py312-cover,coverage,
  docs