(🎁) update black to 23.3.0

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/psf/black
-    rev: 22.12.0  # must match test-requirements.txt
+    rev: 23.3.0  # must match test-requirements.txt
     hooks:
       - id: black
   - repo: https://github.com/pycqa/isort

misc/analyze_cache.py

@@ -62,7 +62,7 @@ def load_json(data_path: str, meta_path: str) -> CacheData:
 
 
 def get_files(root: str) -> Iterable[CacheData]:
-    for (dirpath, dirnames, filenames) in os.walk(root):
+    for dirpath, dirnames, filenames in os.walk(root):
         for filename in filenames:
             if filename.endswith(".data.json"):
                 meta_filename = filename.replace(".data.json", ".meta.json")

misc/fix_annotate.py

@@ -38,7 +38,6 @@ def foo(self, bar, baz=12):
 
 
 class FixAnnotate(BaseFix):
-
     # This fixer is compatible with the bottom matcher.
     BM_compatible = True
 

mypy/api.py

@@ -51,7 +51,6 @@
 
 
 def _run(main_wrapper: Callable[[TextIO, TextIO], None]) -> tuple[str, str, int]:
-
     stdout = StringIO()
     stderr = StringIO()
 

mypy/checker.py

@@ -2068,7 +2068,6 @@ def erase_override(t: Type) -> Type:
                     if not is_subtype(
                         original.arg_types[i], erase_override(override.arg_types[i])
                     ):
-
                         arg_type_in_super = original.arg_types[i]
 
                         if isinstance(node, FuncDef):
@@ -2954,7 +2953,6 @@ def check_compatibility_all_supers(
             and lvalue.kind in (MDEF, None)
             and len(lvalue_node.info.bases) > 0  # None for Vars defined via self
         ):
-
             for base in lvalue_node.info.mro[1:]:
                 tnode = base.names.get(lvalue_node.name)
                 if tnode is not None:

mypy/checkexpr.py

@@ -170,7 +170,7 @@
 # Type of callback user for checking individual function arguments. See
 # check_args() below for details.
 ArgChecker: _TypeAlias = Callable[
-    [Type, Type, ArgKind, Type, int, int, CallableType, Optional[Type], Context, Context], None,
+    [Type, Type, ArgKind, Type, int, int, CallableType, Optional[Type], Context, Context], None
 ]
 
 # Maximum nesting level for math union in overloads, setting this to large values
@@ -845,7 +845,7 @@ def check_typeddict_call_with_kwargs(
             # this may give a better error message.
             ret_type = callee
 
-        for (item_name, item_expected_type) in ret_type.items.items():
+        for item_name, item_expected_type in ret_type.items.items():
             if item_name in kwargs:
                 item_value = kwargs[item_name]
                 self.chk.check_simple_assignment(

mypy/checkstrformat.py

@@ -139,7 +139,6 @@ class ConversionSpecifier:
     def __init__(
         self, match: Match[str], start_pos: int = -1, non_standard_format_spec: bool = False
     ) -> None:
-
         self.whole_seq = match.group()
         self.start_pos = start_pos
 

mypy/config_parser.py

@@ -34,7 +34,7 @@
 from mypy.options import PER_MODULE_OPTIONS, Options
 
 _CONFIG_VALUE_TYPES: _TypeAlias = Union[
-    str, bool, int, float, Dict[str, str], List[str], Tuple[int, int],
+    str, bool, int, float, Dict[str, str], List[str], Tuple[int, int]
 ]
 _INI_PARSER_CALLABLE: _TypeAlias = Callable[[Any], _CONFIG_VALUE_TYPES]
 

mypy/constraints.py

@@ -1006,7 +1006,6 @@ def infer_against_overloaded(
         return infer_constraints(template, item, self.direction)
 
     def visit_tuple_type(self, template: TupleType) -> list[Constraint]:
-
         actual = self.actual
         unpack_index = find_unpack_in_list(template.items)
         is_varlength_tuple = (
@@ -1065,7 +1064,7 @@ def visit_typeddict_type(self, template: TypedDictType) -> list[Constraint]:
             res: list[Constraint] = []
             # NOTE: Non-matching keys are ignored. Compatibility is checked
             #       elsewhere so this shouldn't be unsafe.
-            for (item_name, template_item_type, actual_item_type) in template.zip(actual):
+            for item_name, template_item_type, actual_item_type in template.zip(actual):
                 res.extend(infer_constraints(template_item_type, actual_item_type, self.direction))
             return res
         elif isinstance(actual, AnyType):

mypy/dmypy_server.py

@@ -163,7 +163,6 @@ def ignore_suppressed_imports(module: str) -> bool:
 
 
 class Server:
-
     # NOTE: the instance is constructed in the parent process but
     # serve() is called in the grandchild (by daemonize()).
 
@@ -828,7 +827,6 @@ def update_sources(self, sources: list[BuildSource]) -> None:
     def update_changed(
         self, sources: list[BuildSource], remove: list[str], update: list[str]
     ) -> ChangesAndRemovals:
-
         changed_paths = self.fswatcher.update_changed(remove, update)
         return self._find_changed(sources, changed_paths)
 

mypy/fastparse.py

@@ -255,7 +255,6 @@ def parse(
     errors: Errors | None = None,
     options: Options | None = None,
 ) -> MypyFile:
-
     """Parse a source file, without doing any semantic analysis.
 
     Return the parse tree. If errors is not provided, raise ParseError

mypy/ipc.py

@@ -169,7 +169,6 @@ def __exit__(
 
 
 class IPCServer(IPCBase):
-
     BUFFER_SIZE: Final = 2**16
 
     def __init__(self, name: str, timeout: float | None = None) -> None:

mypy/meet.py

@@ -828,13 +828,13 @@ def visit_tuple_type(self, t: TupleType) -> ProperType:
 
     def visit_typeddict_type(self, t: TypedDictType) -> ProperType:
         if isinstance(self.s, TypedDictType):
-            for (name, l, r) in self.s.zip(t):
+            for name, l, r in self.s.zip(t):
                 if not is_equivalent(l, r) or (name in t.required_keys) != (
                     name in self.s.required_keys
                 ):
                     return self.default(self.s)
             item_list: list[tuple[str, Type]] = []
-            for (item_name, s_item_type, t_item_type) in self.s.zipall(t):
+            for item_name, s_item_type, t_item_type in self.s.zipall(t):
                 if s_item_type is not None:
                     item_list.append((item_name, s_item_type))
                 else:

mypy/messages.py

@@ -2276,7 +2276,6 @@ def format_callable_args(
     arg_strings = []
     for arg_name, arg_type, arg_kind in zip(arg_names, arg_types, arg_kinds):
         if arg_kind == ARG_POS and arg_name is None or verbosity == 0 and arg_kind.is_positional():
-
             arg_strings.append(format(arg_type))
         else:
             constructor = ARG_CONSTRUCTOR_NAMES[arg_kind]
@@ -2383,7 +2382,7 @@ def format_literal_value(typ: LiteralType) -> str:
         if not typ.is_anonymous():
             return format(typ.fallback)
         items = []
-        for (item_name, item_type) in typ.items.items():
+        for item_name, item_type in typ.items.items():
             modifier = "" if item_name in typ.required_keys else "?"
             items.append(f"{item_name!r}{modifier}: {format(item_type)}")
         s = f"TypedDict({{{', '.join(items)}}})"

mypy/nodes.py

@@ -3326,7 +3326,6 @@ def deserialize(cls, data: JsonDict) -> TypeInfo:
 
 
 class FakeInfo(TypeInfo):
-
     __slots__ = ("msg",)
 
     # types.py defines a single instance of this class, called types.NOT_READY.

mypy/plugins/attrs.py

@@ -529,7 +529,6 @@ def _cleanup_decorator(stmt: Decorator, attr_map: dict[str, Attribute]) -> None:
             and isinstance(func_decorator.expr, NameExpr)
             and func_decorator.expr.name in attr_map
         ):
-
             if func_decorator.name == "default":
                 attr_map[func_decorator.expr.name].has_default = True
 

mypy/plugins/dataclasses.py

@@ -220,7 +220,6 @@ def transform(self) -> bool:
             and ("__init__" not in info.names or info.names["__init__"].plugin_generated)
             and attributes
         ):
-
             with state.strict_optional_set(self._api.options.strict_optional):
                 args = [
                     attr.to_argument(info)

mypy/plugins/singledispatch.py

@@ -99,7 +99,6 @@ def create_singledispatch_function_callback(ctx: FunctionContext) -> Type:
     """Called for functools.singledispatch"""
     func_type = get_proper_type(get_first_arg(ctx.arg_types))
     if isinstance(func_type, CallableType):
-
         if len(func_type.arg_kinds) < 1:
             fail(
                 ctx, "Singledispatch function requires at least one argument", func_type.definition
@@ -176,7 +175,6 @@ def register_function(
 
     fallback_dispatch_type = fallback.arg_types[0]
     if not is_subtype(dispatch_type, fallback_dispatch_type):
-
         fail(
             ctx,
             "Dispatch type {} must be subtype of fallback function first argument {}".format(

mypy/report.py

@@ -44,7 +44,7 @@
 )
 
 ReporterClasses: _TypeAlias = Dict[
-    str, Tuple[Callable[["Reports", str], "AbstractReporter"], bool],
+    str, Tuple[Callable[["Reports", str], "AbstractReporter"], bool]
 ]
 
 reporter_classes: Final[ReporterClasses] = {}
@@ -860,7 +860,6 @@ def on_file(
         type_map: dict[Expression, Type],
         options: Options,
     ) -> None:
-
         try:
             path = os.path.relpath(tree.path)
         except ValueError:

mypy/semanal.py

@@ -510,6 +510,7 @@ def prepare_typing_namespace(self, file_node: MypyFile, aliases: dict[str, str])
 
         They will be replaced with real aliases when corresponding targets are ready.
         """
+
         # This is all pretty unfortunate. typeshed now has a
         # sys.version_info check for OrderedDict, and we shouldn't
         # take it out, because it is correct and a typechecker should
@@ -4422,7 +4423,6 @@ def process__slots__(self, s: AssignmentStmt) -> None:
             and s.lvalues[0].name == "__slots__"
             and s.lvalues[0].kind == MDEF
         ):
-
             # We understand `__slots__` defined as string, tuple, list, set, and dict:
             if not isinstance(s.rvalue, (StrExpr, ListExpr, TupleExpr, SetExpr, DictExpr)):
                 # For example, `__slots__` can be defined as a variable,

mypy/semanal_typeddict.py

@@ -469,7 +469,7 @@ def parse_typeddict_fields_with_types(
         seen_keys = set()
         items: list[str] = []
         types: list[Type] = []
-        for (field_name_expr, field_type_expr) in dict_items:
+        for field_name_expr, field_type_expr in dict_items:
             if isinstance(field_name_expr, StrExpr):
                 key = field_name_expr.value
                 items.append(key)

mypy/subtypes.py

@@ -1034,7 +1034,7 @@ def f(self) -> A: ...
         if not members_right.issubset(members_left):
             return False
     assuming = right.type.assuming_proper if proper_subtype else right.type.assuming
-    for (l, r) in reversed(assuming):
+    for l, r in reversed(assuming):
         if l == left and r == right:
             return True
     with pop_on_exit(assuming, left, right):

mypy/test/teststubgen.py

@@ -1061,6 +1061,7 @@ def test(self, arg0: str = "") -> None:
 
     def test_generate_c_function_other_module_arg(self) -> None:
         """Test that if argument references type from other module, module will be imported."""
+
         # Provide different type in python spec than in docstring to make sure, that docstring
         # information is used.
         def test(arg0: str) -> None:
@@ -1087,6 +1088,7 @@ def test_generate_c_function_same_module(self) -> None:
         """Test that if annotation references type from same module but using full path, no module
         will be imported, and type specification will be striped to local reference.
         """
+
         # Provide different type in python spec than in docstring to make sure, that docstring
         # information is used.
         def test(arg0: str) -> None:
@@ -1136,6 +1138,7 @@ def test_generate_c_function_same_module_nested(self) -> None:
         """Test that if annotation references type from same module but using full path, no module
         will be imported, and type specification will be stripped to local reference.
         """
+
         # Provide different type in python spec than in docstring to make sure, that docstring
         # information is used.
         def test(arg0: str) -> None:
@@ -1162,6 +1165,7 @@ def test_generate_c_function_same_module_compound(self) -> None:
         """Test that if annotation references type from same module but using full path, no module
         will be imported, and type specification will be stripped to local reference.
         """
+
         # Provide different type in python spec than in docstring to make sure, that docstring
         # information is used.
         def test(arg0: str) -> None:

mypy/types.py

@@ -505,7 +505,6 @@ def is_meta_var(self) -> bool:
 
 
 class TypeVarLikeType(ProperType):
-
     __slots__ = ("name", "fullname", "id", "upper_bound")
 
     name: str  # Name (may be qualified)
@@ -2406,17 +2405,17 @@ def names_are_wider_than(self, other: TypedDictType) -> bool:
 
     def zip(self, right: TypedDictType) -> Iterable[tuple[str, Type, Type]]:
         left = self
-        for (item_name, left_item_type) in left.items.items():
+        for item_name, left_item_type in left.items.items():
             right_item_type = right.items.get(item_name)
             if right_item_type is not None:
                 yield (item_name, left_item_type, right_item_type)
 
     def zipall(self, right: TypedDictType) -> Iterable[tuple[str, Type | None, Type | None]]:
         left = self
-        for (item_name, left_item_type) in left.items.items():
+        for item_name, left_item_type in left.items.items():
             right_item_type = right.items.get(item_name)
             yield (item_name, left_item_type, right_item_type)
-        for (item_name, right_item_type) in right.items.items():
+        for item_name, right_item_type in right.items.items():
             if item_name in left.items:
                 continue
             yield (item_name, None, right_item_type)

mypy/typestate.py

@@ -112,15 +112,15 @@ def __init__(self) -> None:
         self.infer_unions = False
 
     def is_assumed_subtype(self, left: Type, right: Type) -> bool:
-        for (l, r) in reversed(self._assuming):
+        for l, r in reversed(self._assuming):
             if get_proper_type(l) == get_proper_type(left) and get_proper_type(
                 r
             ) == get_proper_type(right):
                 return True
         return False
 
     def is_assumed_proper_subtype(self, left: Type, right: Type) -> bool:
-        for (l, r) in reversed(self._assuming_proper):
+        for l, r in reversed(self._assuming_proper):
             if get_proper_type(l) == get_proper_type(left) and get_proper_type(
                 r
             ) == get_proper_type(right):

mypy/typevartuples.py

@@ -52,14 +52,17 @@ def split_with_mapped_and_template(
     template: tuple[Type, ...],
     template_prefix_len: int,
     template_suffix_len: int,
-) -> tuple[
-    tuple[Type, ...],
-    tuple[Type, ...],
-    tuple[Type, ...],
-    tuple[Type, ...],
-    tuple[Type, ...],
-    tuple[Type, ...],
-] | None:
+) -> (
+    tuple[
+        tuple[Type, ...],
+        tuple[Type, ...],
+        tuple[Type, ...],
+        tuple[Type, ...],
+        tuple[Type, ...],
+        tuple[Type, ...],
+    ]
+    | None
+):
     split_result = fully_split_with_mapped_and_template(
         mapped,
         mapped_prefix_len,
@@ -101,18 +104,21 @@ def fully_split_with_mapped_and_template(
     template: tuple[Type, ...],
     template_prefix_len: int,
     template_suffix_len: int,
-) -> tuple[
-    tuple[Type, ...],
-    tuple[Type, ...],
-    tuple[Type, ...],
-    tuple[Type, ...],
-    tuple[Type, ...],
-    tuple[Type, ...],
-    tuple[Type, ...],
-    tuple[Type, ...],
-    tuple[Type, ...],
-    tuple[Type, ...],
-] | None:
+) -> (
+    tuple[
+        tuple[Type, ...],
+        tuple[Type, ...],
+        tuple[Type, ...],
+        tuple[Type, ...],
+        tuple[Type, ...],
+        tuple[Type, ...],
+        tuple[Type, ...],
+        tuple[Type, ...],
+        tuple[Type, ...],
+        tuple[Type, ...],
+    ]
+    | None
+):
     if mapped_prefix_len is not None:
         assert mapped_suffix_len is not None
         mapped_prefix, mapped_middle, mapped_suffix = split_with_prefix_and_suffix(