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-rw-r--r--django/utils/inspect.py16
-rw-r--r--tests/utils_tests/test_inspect.py15
2 files changed, 30 insertions, 1 deletions
diff --git a/django/utils/inspect.py b/django/utils/inspect.py
index 31f3cf994b..ac5e82ca14 100644
--- a/django/utils/inspect.py
+++ b/django/utils/inspect.py
@@ -1,10 +1,24 @@
import functools
import inspect
+from django.utils.version import PY314
+
+if PY314:
+ import annotationlib
+
@functools.lru_cache(maxsize=512)
def _get_func_parameters(func, remove_first):
- parameters = tuple(inspect.signature(func).parameters.values())
+ # As the annotations are not used in any case, inspect the signature with
+ # FORWARDREF to leave any deferred annotations unevaluated.
+ if PY314:
+ signature = inspect.signature(
+ func, annotation_format=annotationlib.Format.FORWARDREF
+ )
+ else:
+ signature = inspect.signature(func)
+
+ parameters = tuple(signature.parameters.values())
if remove_first:
parameters = parameters[1:]
return parameters
diff --git a/tests/utils_tests/test_inspect.py b/tests/utils_tests/test_inspect.py
index 38ea35ecfb..f6e82e5808 100644
--- a/tests/utils_tests/test_inspect.py
+++ b/tests/utils_tests/test_inspect.py
@@ -1,8 +1,13 @@
import subprocess
import unittest
+from typing import TYPE_CHECKING
from django.shortcuts import aget_object_or_404
from django.utils import inspect
+from django.utils.version import PY314
+
+if TYPE_CHECKING:
+ from django.utils.safestring import SafeString
class Person:
@@ -103,6 +108,16 @@ class TestInspectMethods(unittest.TestCase):
self.assertIs(inspect.func_accepts_kwargs(Person.all_kinds), True)
self.assertIs(inspect.func_accepts_kwargs(Person().just_args), False)
+ @unittest.skipUnless(PY314, "Deferred annotations are Python 3.14+ only")
+ def test_func_accepts_kwargs_deferred_annotations(self):
+
+ def func_with_annotations(self, name: str, complex: SafeString) -> None:
+ pass
+
+ # Inspection fails with deferred annotations with python 3.14+. Earlier
+ # Python versions trigger the NameError on module initialization.
+ self.assertIs(inspect.func_accepts_kwargs(func_with_annotations), False)
+
class IsModuleLevelFunctionTestCase(unittest.TestCase):
@classmethod