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CHANGELOG

@@ -1,3 +1,13 @@
+Version 2023.11.29:
+
+Updates:
+* Remove the --use-enum-overlay flag. It has been enabled by default since the
+  last release.
+
+Bug fixes:
+* Mark typing.Required as generic.
+* Fix container mutation bug.
+
 Version 2023.11.21:
 
 Updates:

docs/support.md

@@ -17,7 +17,7 @@ of pytype.
       * [Third-Party Libraries](#third-party-libraries)
 
 <!-- Created by https://github.com/ekalinin/github-markdown-toc -->
-<!-- Added by: rechen, at: Fri Nov  3 11:19:00 AM PDT 2023 -->
+<!-- Added by: rechen, at: Tue Nov 28 03:37:40 PM PST 2023 -->
 
 <!--te-->
 
@@ -53,14 +53,12 @@ Note: pytype supports all language and stdlib features in its supported versions
 unless noted otherwise. This section lists features that are difficult to type
 for which pytype has or intends to add custom support.
 
-| Feature                      | Supports | Issues                             |
-| ---------------------------- | :------: | :--------------------------------: |
-| Control Flow Analysis ("Type | ✅        |                                    |
-: Narrowing")                  :          :                                    :
-| collections.namedtuple       | ✅        |                                    |
-| Dataclasses                  | ✅        |                                    |
-| Enums                        | ✅        | Requires `--use-enum-overlay` flag |
-:                              :          : externally                         :
+Feature                                  | Supports | Issues
+---------------------------------------- | :------: | :----:
+Control Flow Analysis ("Type Narrowing") | ✅        |
+collections.namedtuple                   | ✅        |
+Dataclasses                              | ✅        |
+Enums                                    | ✅        |
 
 ### Typing
 

pytype/__version__.py

@@ -1,2 +1,2 @@
 # pylint: skip-file
-__version__ = '2023.11.21'
+__version__ = '2023.11.29'

pytype/abstract/_special_classes.py

@@ -12,7 +12,7 @@ def build_class(node, props, kwargs, ctx):
     base = abstract_utils.get_atomic_value(base, default=None)
     if not isinstance(base, class_mixin.Class):
       continue
-    if base.is_enum and ctx.options.use_enum_overlay:
+    if base.is_enum:
       enum_base = abstract_utils.get_atomic_value(
           ctx.vm.loaded_overlays["enum"].members["Enum"])
       return enum_base.make_class(node, props)

pytype/config.py

@@ -242,8 +242,6 @@ def add_options(o, arglist):
     _flag("--overriding-renamed-parameter-count-checks", False,
           "Enable parameter count checks for overriding methods with "
           "renamed arguments."),
-    _flag("--use-enum-overlay", True,
-          "Use the enum overlay for more precise enum checking."),
     _flag("--strict-none-binding", False,
           "Variables initialized as None retain their None binding."),
     _flag("--use-fiddle-overlay", False,

pytype/output.py

@@ -813,7 +813,7 @@ def fix(sig):
           # replace any parameter not in the class or function template with
           # its upper value.
           methods[name] = method.Visit(visitors.DropMutableParameters())
-        elif v.is_enum and self.ctx.options.use_enum_overlay:
+        elif v.is_enum:
           if (any(
               isinstance(enum_member, abstract.Instance) and
               enum_member.cls == v for enum_member in member.data)):

pytype/overlays/enum_overlay.py

@@ -52,18 +52,15 @@ class EnumOverlay(overlay.Overlay):
   """An overlay for the enum std lib module."""
 
   def __init__(self, ctx):
-    if ctx.options.use_enum_overlay:
-      member_map = {
-          "Enum": overlay.add_name("Enum", EnumBuilder),
-          "EnumMeta": EnumMeta,
-          "EnumType": EnumMeta,
-          "IntEnum": overlay.add_name("IntEnum", EnumBuilder),
-          "StrEnum": overlay.add_name("StrEnum", EnumBuilder),
-          **{name: overlay.add_name(name, overlay_utils.not_supported_yet)
-             for name in _unsupported},
-      }
-    else:
-      member_map = {}
+    member_map = {
+        "Enum": overlay.add_name("Enum", EnumBuilder),
+        "EnumMeta": EnumMeta,
+        "EnumType": EnumMeta,
+        "IntEnum": overlay.add_name("IntEnum", EnumBuilder),
+        "StrEnum": overlay.add_name("StrEnum", EnumBuilder),
+        **{name: overlay.add_name(name, overlay_utils.not_supported_yet)
+           for name in _unsupported},
+    }
 
     super().__init__(ctx, "enum", member_map, ctx.loader.import_name("enum"))
 

pytype/tests/test_base.py

@@ -86,7 +86,6 @@ def setUp(self):
         strict_undefined_checks=True,
         strict_primitive_comparisons=True,
         strict_none_binding=True,
-        use_enum_overlay=True,
         use_fiddle_overlay=True,
         validate_version=False,
     )

pytype/tests/test_pyi2.py

@@ -7,7 +7,7 @@
 class PYITest(test_base.BaseTest):
   """Tests for PYI."""
 
-  def test_unneccessary_any_import(self):
+  def test_unnecessary_any_import(self):
     ty = self.Infer("""
         import typing
         def foo(**kwargs: typing.Any) -> int: return 1
@@ -153,7 +153,6 @@ def test_imported_literal_alias(self):
       """)
 
   def test_literal_in_dataclass(self):
-    self.options.tweak(use_enum_overlay=False)
     with self.DepTree([("foo.pyi", """
       import enum
       class Base: ...

pytype/tools/analyze_project/pytype_runner_test.py

@@ -232,7 +232,7 @@ def setUp(self):
   def assertFlags(self, flags, expected_flags):
     # Add temporary flags that are set to true by default here, so that they are
     # filtered out of tests.
-    temporary_flags = {'--use-enum-overlay'}
+    temporary_flags = set()
     self.assertEqual(flags - temporary_flags, expected_flags)
 
   # --disable tests a flag with a string value.