tests: improve ignores for generated stdlib

Author: KotlinIsland

mypy/stubgen.py

@@ -1048,8 +1048,8 @@ def _get_namedtuple_fields(self, call: CallExpr) -> list[tuple[str, str]] | None
                     field_names.append(field.value)
             else:
                 return None  # Invalid namedtuple fields type
-            # if field_names:
-            #     self.untyped
+            if not field_names:
+                return []
             incomplete = self.untyped
             return [(field_name, incomplete) for field_name in field_names]
         elif self.is_typed_namedtuple(call):

mypy/test/data.py

@@ -86,6 +86,7 @@ def _case_fail(msg: str) -> NoReturn:
     # optionally followed by lines of text.
     item = first_item = test_items[0]
     test_modules.append("__main__")
+    ignore = "\n# mypy: allow-untyped-defs, allow-any-explicit\n"
     for item in test_items[1:]:
 
         def _item_fail(msg: str) -> NoReturn:
@@ -110,13 +111,13 @@ def _item_fail(msg: str) -> NoReturn:
             assert item.arg is not None
             mpath = join(os.path.dirname(case.file), item.arg)
             with open(mpath, encoding="utf8") as f:
-                files.append((join(base_path, "builtins.pyi"), f.read()))
+                files.append((join(base_path, "builtins.pyi"), f.read() + ignore))
         elif item.id == "typing":
             # Use an alternative stub file for the typing module.
             assert item.arg is not None
             src_path = join(os.path.dirname(case.file), item.arg)
             with open(src_path, encoding="utf8") as f:
-                files.append((join(base_path, "typing.pyi"), f.read()))
+                files.append((join(base_path, "typing.pyi"), f.read() + ignore))
         elif item.id == "_typeshed":
             # Use an alternative stub file for the _typeshed module.
             assert item.arg is not None

test-data/unit/fixtures/property.pyi

@@ -6,7 +6,7 @@ class object:
     def __init__(self) -> None: pass
 
 class type:
-    def __init__(self, x: object) -> None: pass
+    def __init__(self, x: typing.Any) -> None: pass
 
 class function: pass
 

test-data/unit/fixtures/typing-full.pyi

@@ -10,8 +10,8 @@ from abc import abstractmethod, ABCMeta
 
 class GenericMeta(type): pass
 
-def cast(t: Any, o: Any) -> Any: ...
-def assert_type(o: Any, t: Any) -> Any: ...
+def cast(t, o): ...
+def assert_type(o, t): ...
 overload = 0
 Any = 0
 Union = 0

test-data/unit/fixtures/typing-medium.pyi

@@ -52,7 +52,7 @@ class Generator(Iterator[T], Generic[T, U, V]):
     def __iter__(self) -> 'Generator[T, U, V]': pass
 
 class Sequence(Iterable[T_co]):
-    def __getitem__(self, n: Any) -> T_co: pass  # type: ignore[no-any-explicit, unused-ignore]
+    def __getitem__(self, n: Any) -> T_co: pass
 
 class Mapping(Iterable[T], Generic[T, T_co]):
     def keys(self) -> Iterable[T]: pass  # Approximate return type
@@ -67,7 +67,7 @@ class SupportsFloat(Protocol):
 class ContextManager(Generic[T]):
     def __enter__(self) -> T: pass
     # Use Any because not all the precise types are in the fixtures.
-    def __exit__(self, exc_type: Any, exc_value: Any, traceback: Any) -> Any: pass  # type: ignore[no-any-explicit, unused-ignore]
+    def __exit__(self, exc_type: Any, exc_value: Any, traceback: Any) -> Any: pass
 
 class _SpecialForm: pass
 

tox.ini

@@ -53,8 +53,7 @@ passenv =
     MYPY_FORCE_COLOR
     MYPY_FORCE_TERMINAL_WIDTH
 commands =
-    # Do a legacy compatible check, this is needed because generating a baseline from the head of upstream
+    # Do a no-strict compatible check, this is needed because generating a baseline from the head of upstream
     #  sound very laborious
     python -m mypy --config-file mypy_self_check.ini --baseline-file= -p mypy -p mypyc  --exclude misc/fix_annotate.py --exclude misc/async_matrix.py --exclude misc/sync-typeshed.py
     python -m mypy --config-file mypy_self_check_strict.ini -p mypy -p mypyc  --exclude misc/fix_annotate.py --exclude misc/async_matrix.py --exclude misc/sync-typeshed.py
-    python -m mypy --config-file mypy_self_check.ini --no-strict misc --exclude misc/fix_annotate.py --exclude misc/async_matrix.py --exclude misc/sync-typeshed.py