Update mypy to 2.0.0

requirements-tests.txt

@@ -1,6 +1,6 @@
 # Type checkers that we test our stubs against. These should always
 # be pinned to a specific version to make failure reproducible.
-mypy==1.20.0
+mypy==2.0.0
 pyright==1.1.409
 
 # Libraries used by our various scripts.

stubs/fpdf2/fpdf/encryption.pyi

@@ -87,10 +87,10 @@ class StandardSecurityHandler:
     @overload
     def encrypt(self, text: str, obj_id: int) -> str: ...
     def encrypt_string(self, string: str, obj_id: int) -> str: ...
-    def encrypt_stream(self, stream: bytes, obj_id: int) -> bytes: ...
+    def encrypt_stream(self, stream: bytes | bytearray, obj_id: int) -> bytes: ...
     def is_aes_algorithm(self) -> bool: ...
-    def encrypt_bytes(self, data: bytes, obj_id: int) -> list[int]: ...
-    def encrypt_AES_cryptography(self, key: bytes, data: bytes) -> bytes: ...
+    def encrypt_bytes(self, data: bytes | bytearray, obj_id: int) -> list[int]: ...
+    def encrypt_AES_cryptography(self, key: bytes, data: bytes | bytearray) -> bytes: ...
     @classmethod
     def get_random_bytes(cls, size: int) -> bytes: ...
     @classmethod
@@ -99,7 +99,7 @@ class StandardSecurityHandler:
     def generate_owner_password(self) -> str: ...
     def generate_user_password(self) -> str: ...
     @classmethod
-    def compute_hash(cls, input_password: bytes, salt: bytes, user_key: bytes = ...) -> bytes: ...
+    def compute_hash(cls, input_password: bytes | bytearray, salt: bytes, user_key: bytes | bytearray = ...) -> bytes: ...
     def generate_user_password_rev6(self) -> None: ...
     def generate_owner_password_rev6(self) -> None: ...
     def generate_perms_rev6(self) -> None: ...

stubs/lupa/lupa/lua51.pyi

@@ -66,7 +66,7 @@ _bint = TypeVar("_bint", bool, int)
 class FastRLock(Generic[_bint]):
     # @classmethod
     # def __init__(cls, /, *args: Any, **kwargs: Any) -> None: ...
-    def acquire(self, blocking: _bint = True) -> _bint: ...
+    def acquire(self, blocking: _bint = ...) -> _bint: ...
     def release(self) -> None: ...
     def __enter__(self) -> _bint: ...
     def __exit__(self, t: object, v: object, tb: object) -> None: ...

stubs/lupa/lupa/lua52.pyi

@@ -66,7 +66,7 @@ _bint = TypeVar("_bint", bool, int)
 class FastRLock(Generic[_bint]):
     # @classmethod
     # def __init__(cls, /, *args: Any, **kwargs: Any) -> None: ...
-    def acquire(self, blocking: _bint = True) -> _bint: ...
+    def acquire(self, blocking: _bint = ...) -> _bint: ...
     def release(self) -> None: ...
     def __enter__(self) -> _bint: ...
     def __exit__(self, t: object, v: object, tb: object) -> None: ...

stubs/lupa/lupa/lua53.pyi

@@ -66,7 +66,7 @@ _bint = TypeVar("_bint", bool, int)
 class FastRLock(Generic[_bint]):
     # @classmethod
     # def __init__(cls, /, *args: Any, **kwargs: Any) -> None: ...
-    def acquire(self, blocking: _bint = True) -> _bint: ...
+    def acquire(self, blocking: _bint = ...) -> _bint: ...
     def release(self) -> None: ...
     def __enter__(self) -> _bint: ...
     def __exit__(self, t: object, v: object, tb: object) -> None: ...

stubs/lupa/lupa/lua54.pyi

@@ -66,7 +66,7 @@ _bint = TypeVar("_bint", bool, int)
 class FastRLock(Generic[_bint]):
     # @classmethod
     # def __init__(cls, /, *args: Any, **kwargs: Any) -> None: ...
-    def acquire(self, blocking: _bint = True) -> _bint: ...
+    def acquire(self, blocking: _bint = ...) -> _bint: ...
     def release(self) -> None: ...
     def __enter__(self) -> _bint: ...
     def __exit__(self, t: object, v: object, tb: object) -> None: ...

stubs/lupa/lupa/luajit20.pyi

@@ -59,7 +59,7 @@ _bint = TypeVar("_bint", bool, int)
 class FastRLock(Generic[_bint]):
     # @classmethod
     # def __init__(cls, /, *args: Any, **kwargs: Any) -> None: ...
-    def acquire(self, blocking: _bint = True) -> _bint: ...
+    def acquire(self, blocking: _bint = ...) -> _bint: ...
     def release(self) -> None: ...
     def __enter__(self) -> _bint: ...
     def __exit__(self, t: object, v: object, tb: object) -> None: ...

stubs/lupa/lupa/luajit21.pyi

@@ -59,7 +59,7 @@ _bint = TypeVar("_bint", bool, int)
 class FastRLock(Generic[_bint]):
     # @classmethod
     # def __init__(cls, /, *args: Any, **kwargs: Any) -> None: ...
-    def acquire(self, blocking: _bint = True) -> _bint: ...
+    def acquire(self, blocking: _bint = ...) -> _bint: ...
     def release(self) -> None: ...
     def __enter__(self) -> _bint: ...
     def __exit__(self, t: object, v: object, tb: object) -> None: ...

tests/regr_test.py

@@ -176,7 +176,7 @@ def run_testcases(
     else:
         configurations = mypy_configuration_from_distribution(package.name)
 
-    with temporary_mypy_config_file(configurations) as temp:
+    with temporary_mypy_config_file(configurations) as temp_config:
 
         # "--enable-error-code ignore-without-code" is purposefully omitted.
         # See https://github.com/python/typeshed/pull/8083
@@ -190,7 +190,7 @@ def run_testcases(
             "--strict",
             "--pretty",
             "--config-file",
-            temp.name,
+            temp_config.name,
             # Avoid race conditions when using the cache
             # https://github.com/python/mypy/issues/13916
             "--no-incremental",

tests/typecheck_typeshed.py

@@ -55,16 +55,13 @@ def run_mypy_as_subprocess(directory: str, platform: str, version: str) -> Retur
         "--python-version",
         version,
         "--strict",
-        "--strict-bytes",
-        "--local-partial-types",
         "--pretty",
         "--show-traceback",
         "--no-error-summary",
         "--enable-error-code",
         "ignore-without-code",
-        # https://github.com/python/mypy/issues/14309
-        # "--enable-error-code",
-        # "possibly-undefined",
+        "--enable-error-code",
+        "possibly-undefined",
         "--enable-error-code",
         "redundant-expr",
         "--enable-error-code",