Sync typeshed (#10537)

Source commit:
python/typeshed@c4da375

Co-authored-by: hauntsaninja <>

mypy/fastparse.py

@@ -660,7 +660,7 @@ def transform_args(self,
                        ) -> List[Argument]:
         new_args = []
         names = []  # type: List[ast3.arg]
-        args_args = getattr(args, "posonlyargs", []) + args.args
+        args_args = getattr(args, "posonlyargs", cast(List[ast3.arg], [])) + args.args
         args_defaults = args.defaults
         num_no_defaults = len(args_args) - len(args_defaults)
         # positional arguments without defaults

mypy/typeshed/stdlib/@python2/Queue.pyi

@@ -1,4 +1,3 @@
-from collections import deque
 from typing import Any, Deque, Generic, Optional, TypeVar
 
 _T = TypeVar("_T")

mypy/typeshed/stdlib/@python2/SocketServer.pyi

@@ -1,7 +1,6 @@
 import sys
-import types
 from socket import SocketType
-from typing import Any, BinaryIO, Callable, ClassVar, List, Optional, Text, Tuple, Type, Union
+from typing import Any, BinaryIO, Callable, ClassVar, List, Optional, Text, Tuple, Union
 
 class BaseServer:
     address_family: int

mypy/typeshed/stdlib/@python2/UserString.pyi

@@ -1,4 +1,3 @@
-import collections
 from typing import Any, Iterable, List, MutableSequence, Optional, Sequence, Text, Tuple, TypeVar, Union, overload
 
 _UST = TypeVar("_UST", bound=UserString)

mypy/typeshed/stdlib/@python2/__builtin__.pyi

@@ -861,7 +861,12 @@ def filter(__function: None, __iterable: Iterable[Optional[_T]]) -> List[_T]: ..
 @overload
 def filter(__function: Callable[[_T], Any], __iterable: Iterable[_T]) -> List[_T]: ...
 def format(__value: object, __format_spec: str = ...) -> str: ...  # TODO unicode
-def getattr(__o: Any, name: Text, __default: Any = ...) -> Any: ...
+@overload
+def getattr(__o: Any, name: Text) -> Any: ...
+@overload
+def getattr(__o: Any, name: Text, __default: None) -> Optional[Any]: ...
+@overload
+def getattr(__o: Any, name: Text, __default: _T) -> Union[Any, _T]: ...
 def globals() -> Dict[str, Any]: ...
 def hasattr(__obj: Any, __name: Text) -> bool: ...
 def hash(__obj: object) -> int: ...

mypy/typeshed/stdlib/@python2/__future__.pyi

@@ -0,0 +1,17 @@
+import sys
+from typing import List
+
+class _Feature:
+    def __init__(self, optionalRelease: sys._version_info, mandatoryRelease: sys._version_info, compiler_flag: int) -> None: ...
+    def getOptionalRelease(self) -> sys._version_info: ...
+    def getMandatoryRelease(self) -> sys._version_info: ...
+    compiler_flag: int
+
+absolute_import: _Feature
+division: _Feature
+generators: _Feature
+nested_scopes: _Feature
+print_function: _Feature
+unicode_literals: _Feature
+with_statement: _Feature
+all_feature_names: List[str]  # undocumented

mypy/typeshed/stdlib/@python2/__main__.pyi

@@ -0,0 +1,3 @@
+from typing import Any
+
+def __getattr__(name: str) -> Any: ...

mypy/typeshed/stdlib/@python2/_bisect.pyi

@@ -0,0 +1,8 @@
+from typing import MutableSequence, Optional, Sequence, TypeVar
+
+_T = TypeVar("_T")
+
+def bisect_left(a: Sequence[_T], x: _T, lo: int = ..., hi: Optional[int] = ...) -> int: ...
+def bisect_right(a: Sequence[_T], x: _T, lo: int = ..., hi: Optional[int] = ...) -> int: ...
+def insort_left(a: MutableSequence[_T], x: _T, lo: int = ..., hi: Optional[int] = ...) -> None: ...
+def insort_right(a: MutableSequence[_T], x: _T, lo: int = ..., hi: Optional[int] = ...) -> None: ...

mypy/typeshed/stdlib/@python2/_codecs.pyi

@@ -0,0 +1,66 @@
+import codecs
+import sys
+from typing import Any, Callable, Dict, Optional, Text, Tuple, Union
+
+# For convenience:
+_Handler = Callable[[Exception], Tuple[Text, int]]
+_String = Union[bytes, str]
+_Errors = Union[str, Text, None]
+_Decodable = Union[bytes, Text]
+_Encodable = Union[bytes, Text]
+
+# This type is not exposed; it is defined in unicodeobject.c
+class _EncodingMap(object):
+    def size(self) -> int: ...
+
+_MapT = Union[Dict[int, int], _EncodingMap]
+
+def register(__search_function: Callable[[str], Any]) -> None: ...
+def register_error(__errors: Union[str, Text], __handler: _Handler) -> None: ...
+def lookup(__encoding: Union[str, Text]) -> codecs.CodecInfo: ...
+def lookup_error(__name: Union[str, Text]) -> _Handler: ...
+def decode(obj: Any, encoding: Union[str, Text] = ..., errors: _Errors = ...) -> Any: ...
+def encode(obj: Any, encoding: Union[str, Text] = ..., errors: _Errors = ...) -> Any: ...
+def charmap_build(__map: Text) -> _MapT: ...
+def ascii_decode(__data: _Decodable, __errors: _Errors = ...) -> Tuple[Text, int]: ...
+def ascii_encode(__str: _Encodable, __errors: _Errors = ...) -> Tuple[bytes, int]: ...
+def charbuffer_encode(__data: _Encodable, __errors: _Errors = ...) -> Tuple[bytes, int]: ...
+def charmap_decode(__data: _Decodable, __errors: _Errors = ..., __mapping: Optional[_MapT] = ...) -> Tuple[Text, int]: ...
+def charmap_encode(__str: _Encodable, __errors: _Errors = ..., __mapping: Optional[_MapT] = ...) -> Tuple[bytes, int]: ...
+def escape_decode(__data: _String, __errors: _Errors = ...) -> Tuple[str, int]: ...
+def escape_encode(__data: bytes, __errors: _Errors = ...) -> Tuple[bytes, int]: ...
+def latin_1_decode(__data: _Decodable, __errors: _Errors = ...) -> Tuple[Text, int]: ...
+def latin_1_encode(__str: _Encodable, __errors: _Errors = ...) -> Tuple[bytes, int]: ...
+def raw_unicode_escape_decode(__data: _String, __errors: _Errors = ...) -> Tuple[Text, int]: ...
+def raw_unicode_escape_encode(__str: _Encodable, __errors: _Errors = ...) -> Tuple[bytes, int]: ...
+def readbuffer_encode(__data: _String, __errors: _Errors = ...) -> Tuple[bytes, int]: ...
+def unicode_escape_decode(__data: _String, __errors: _Errors = ...) -> Tuple[Text, int]: ...
+def unicode_escape_encode(__str: _Encodable, __errors: _Errors = ...) -> Tuple[bytes, int]: ...
+def unicode_internal_decode(__obj: _String, __errors: _Errors = ...) -> Tuple[Text, int]: ...
+def unicode_internal_encode(__obj: _String, __errors: _Errors = ...) -> Tuple[bytes, int]: ...
+def utf_16_be_decode(__data: _Decodable, __errors: _Errors = ..., __final: int = ...) -> Tuple[Text, int]: ...
+def utf_16_be_encode(__str: _Encodable, __errors: _Errors = ...) -> Tuple[bytes, int]: ...
+def utf_16_decode(__data: _Decodable, __errors: _Errors = ..., __final: int = ...) -> Tuple[Text, int]: ...
+def utf_16_encode(__str: _Encodable, __errors: _Errors = ..., __byteorder: int = ...) -> Tuple[bytes, int]: ...
+def utf_16_ex_decode(
+    __data: _Decodable, __errors: _Errors = ..., __byteorder: int = ..., __final: int = ...
+) -> Tuple[Text, int, int]: ...
+def utf_16_le_decode(__data: _Decodable, __errors: _Errors = ..., __final: int = ...) -> Tuple[Text, int]: ...
+def utf_16_le_encode(__str: _Encodable, __errors: _Errors = ...) -> Tuple[bytes, int]: ...
+def utf_32_be_decode(__data: _Decodable, __errors: _Errors = ..., __final: int = ...) -> Tuple[Text, int]: ...
+def utf_32_be_encode(__str: _Encodable, __errors: _Errors = ...) -> Tuple[bytes, int]: ...
+def utf_32_decode(__data: _Decodable, __errors: _Errors = ..., __final: int = ...) -> Tuple[Text, int]: ...
+def utf_32_encode(__str: _Encodable, __errors: _Errors = ..., __byteorder: int = ...) -> Tuple[bytes, int]: ...
+def utf_32_ex_decode(
+    __data: _Decodable, __errors: _Errors = ..., __byteorder: int = ..., __final: int = ...
+) -> Tuple[Text, int, int]: ...
+def utf_32_le_decode(__data: _Decodable, __errors: _Errors = ..., __final: int = ...) -> Tuple[Text, int]: ...
+def utf_32_le_encode(__str: _Encodable, __errors: _Errors = ...) -> Tuple[bytes, int]: ...
+def utf_7_decode(__data: _Decodable, __errors: _Errors = ..., __final: int = ...) -> Tuple[Text, int]: ...
+def utf_7_encode(__str: _Encodable, __errors: _Errors = ...) -> Tuple[bytes, int]: ...
+def utf_8_decode(__data: _Decodable, __errors: _Errors = ..., __final: int = ...) -> Tuple[Text, int]: ...
+def utf_8_encode(__str: _Encodable, __errors: _Errors = ...) -> Tuple[bytes, int]: ...
+
+if sys.platform == "win32":
+    def mbcs_decode(__data: _Decodable, __errors: _Errors = ..., __final: int = ...) -> Tuple[Text, int]: ...
+    def mbcs_encode(__str: _Encodable, __errors: _Errors = ...) -> Tuple[bytes, int]: ...

mypy/typeshed/stdlib/@python2/_csv.pyi

@@ -0,0 +1,42 @@
+from typing import Any, Iterable, Iterator, List, Optional, Protocol, Sequence, Text, Type, Union
+
+QUOTE_ALL: int
+QUOTE_MINIMAL: int
+QUOTE_NONE: int
+QUOTE_NONNUMERIC: int
+
+class Error(Exception): ...
+
+class Dialect:
+    delimiter: str
+    quotechar: Optional[str]
+    escapechar: Optional[str]
+    doublequote: bool
+    skipinitialspace: bool
+    lineterminator: str
+    quoting: int
+    strict: int
+    def __init__(self) -> None: ...
+
+_DialectLike = Union[str, Dialect, Type[Dialect]]
+
+class _reader(Iterator[List[str]]):
+    dialect: Dialect
+    line_num: int
+    def next(self) -> List[str]: ...
+
+class _writer:
+    dialect: Dialect
+    def writerow(self, row: Sequence[Any]) -> Any: ...
+    def writerows(self, rows: Iterable[Sequence[Any]]) -> None: ...
+
+class _Writer(Protocol):
+    def write(self, s: str) -> Any: ...
+
+def writer(csvfile: _Writer, dialect: _DialectLike = ..., **fmtparams: Any) -> _writer: ...
+def reader(csvfile: Iterable[Text], dialect: _DialectLike = ..., **fmtparams: Any) -> _reader: ...
+def register_dialect(name: str, dialect: Any = ..., **fmtparams: Any) -> None: ...
+def unregister_dialect(name: str) -> None: ...
+def get_dialect(name: str) -> Dialect: ...
+def list_dialects() -> List[str]: ...
+def field_size_limit(new_limit: int = ...) -> int: ...