Revert "cpython: fix gh-142214 on 3.14.1"

This reverts commit 27dcfd3e04.

This was fixed in 3.14.2 and as such this patch application has become
obsolete.

pkgs/development/interpreters/python/cpython/3.14/gh-142214.patch

@@ -1,114 +0,0 @@
-From 654e3c7435180d4aec8a2fcb16a16585cea7ab70 Mon Sep 17 00:00:00 2001
-From: "Miss Islington (bot)"
- <31488909+miss-islington@users.noreply.github.com>
-Date: Fri, 5 Dec 2025 09:08:15 +0100
-Subject: [PATCH] [3.14] gh-142214: Fix two regressions in dataclasses
- (GH-142223) (#142277)
-
-gh-142214: Fix two regressions in dataclasses (GH-142223)
-(cherry picked from commit 53ec7c8fc07eb6958869638a0cad70c52ad6fcf5)
-
-Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
----
- Lib/dataclasses.py                            | 14 +++++++---
- Lib/test/test_dataclasses/__init__.py         | 28 +++++++++++++++++++
- ...-12-03-06-12-39.gh-issue-142214.appYNZ.rst | 12 ++++++++
- 3 files changed, 50 insertions(+), 4 deletions(-)
- create mode 100644 Misc/NEWS.d/next/Library/2025-12-03-06-12-39.gh-issue-142214.appYNZ.rst
-
-diff --git a/Lib/dataclasses.py b/Lib/dataclasses.py
-index fb7e1701cce0a4..c8dbb247745ab7 100644
---- a/Lib/dataclasses.py
-+++ b/Lib/dataclasses.py
-@@ -550,7 +550,12 @@ def __annotate__(format, /):
- 
-                 new_annotations = {}
-                 for k in annotation_fields:
--                    new_annotations[k] = cls_annotations[k]
-+                    # gh-142214: The annotation may be missing in unusual dynamic cases.
-+                    # If so, just skip it.
-+                    try:
-+                        new_annotations[k] = cls_annotations[k]
-+                    except KeyError:
-+                        pass
- 
-                 if return_type is not MISSING:
-                     if format == Format.STRING:
-@@ -1398,9 +1403,10 @@ def _add_slots(cls, is_frozen, weakref_slot, defined_fields):
-             f.type = ann
- 
-     # Fix the class reference in the __annotate__ method
--    init_annotate = newcls.__init__.__annotate__
--    if getattr(init_annotate, "__generated_by_dataclasses__", False):
--        _update_func_cell_for__class__(init_annotate, cls, newcls)
-+    init = newcls.__init__
-+    if init_annotate := getattr(init, "__annotate__", None):
-+        if getattr(init_annotate, "__generated_by_dataclasses__", False):
-+            _update_func_cell_for__class__(init_annotate, cls, newcls)
- 
-     return newcls
- 
-diff --git a/Lib/test/test_dataclasses/__init__.py b/Lib/test/test_dataclasses/__init__.py
-index 513dd78c4381b4..3b335429b98500 100644
---- a/Lib/test/test_dataclasses/__init__.py
-+++ b/Lib/test/test_dataclasses/__init__.py
-@@ -927,6 +927,20 @@ class C:
- 
-         validate_class(C)
- 
-+    def test_incomplete_annotations(self):
-+        # gh-142214
-+        @dataclass
-+        class C:
-+            "doc"  # needed because otherwise we fetch the annotations at the wrong time
-+            x: int
-+
-+        C.__annotate__ = lambda _: {}
-+
-+        self.assertEqual(
-+            annotationlib.get_annotations(C.__init__),
-+            {"return": None}
-+        )
-+
-     def test_missing_default(self):
-         # Test that MISSING works the same as a default not being
-         #  specified.
-@@ -2578,6 +2592,20 @@ def __init__(self, x: int) -> None:
- 
-         self.assertFalse(hasattr(E.__init__.__annotate__, "__generated_by_dataclasses__"))
- 
-+    def test_slots_true_init_false(self):
-+        # Test that slots=True and init=False work together and
-+        #  that __annotate__ is not added to __init__.
-+
-+        @dataclass(slots=True, init=False)
-+        class F:
-+            x: int
-+
-+        f = F()
-+        f.x = 10
-+        self.assertEqual(f.x, 10)
-+
-+        self.assertFalse(hasattr(F.__init__, "__annotate__"))
-+
-     def test_init_false_forwardref(self):
-         # Test forward references in fields not required for __init__ annotations.
- 
-diff --git a/Misc/NEWS.d/next/Library/2025-12-03-06-12-39.gh-issue-142214.appYNZ.rst b/Misc/NEWS.d/next/Library/2025-12-03-06-12-39.gh-issue-142214.appYNZ.rst
-new file mode 100644
-index 00000000000000..b87430ec1a3d65
---- /dev/null
-+++ b/Misc/NEWS.d/next/Library/2025-12-03-06-12-39.gh-issue-142214.appYNZ.rst
-@@ -0,0 +1,12 @@
-+Fix two regressions in :mod:`dataclasses` in Python 3.14.1 related to
-+annotations.
-+
-+* An exception is no longer raised if ``slots=True`` is used and the
-+  ``__init__`` method does not have an ``__annotate__`` attribute
-+  (likely because ``init=False`` was used).
-+
-+* An exception is no longer raised if annotations are requested on the
-+  ``__init__`` method and one of the fields is not present in the class
-+  annotations. This can occur in certain dynamic scenarios.
-+
-+Patch by Jelle Zijlstra.

pkgs/development/interpreters/python/cpython/default.nix

@@ -399,9 +399,9 @@ stdenv.mkDerivation (finalAttrs: {
     # backport fix for https://github.com/python/cpython/issues/95855
     ./platform-triplet-detection.patch
   ]
-  ++ optionals (version == "3.14.1") [
-    # https://github.com/python/cpython/issues/142214
-    ./3.14/gh-142214.patch
+  ++ optionals (version == "3.13.10" || version == "3.14.1") [
+    # https://github.com/python/cpython/issues/142218
+    ./${lib.versions.majorMinor version}/gh-142218.patch
   ]
   ++ optionals (stdenv.hostPlatform.isMinGW) (
     let