@@ -54,7 +54,7 @@ from typing import ( # noqa: Y022
5454 overload ,
5555 type_check_only ,
5656)
57- from typing_extensions import Concatenate , Literal , ParamSpec , Self , SupportsIndex , TypeAlias , TypeGuard , final
57+ from typing_extensions import Concatenate , Literal , LiteralString , ParamSpec , Self , SupportsIndex , TypeAlias , TypeGuard , final
5858
5959if sys .version_info >= (3 , 9 ):
6060 from types import GenericAlias
@@ -416,20 +416,38 @@ class str(Sequence[str]):
416416 def __new__ (cls , object : object = ...) -> Self : ...
417417 @overload
418418 def __new__ (cls , object : ReadableBuffer , encoding : str = ..., errors : str = ...) -> Self : ...
419+ @overload
420+ def capitalize (self : LiteralString ) -> LiteralString : ...
421+ @overload
419422 def capitalize (self ) -> str : ... # type: ignore[misc]
423+ @overload
424+ def casefold (self : LiteralString ) -> LiteralString : ...
425+ @overload
420426 def casefold (self ) -> str : ... # type: ignore[misc]
427+ @overload
428+ def center (self : LiteralString , __width : SupportsIndex , __fillchar : LiteralString = " " ) -> LiteralString : ...
429+ @overload
421430 def center (self , __width : SupportsIndex , __fillchar : str = " " ) -> str : ... # type: ignore[misc]
422431 def count (self , x : str , __start : SupportsIndex | None = ..., __end : SupportsIndex | None = ...) -> int : ...
423432 def encode (self , encoding : str = "utf-8" , errors : str = "strict" ) -> bytes : ...
424433 def endswith (
425434 self , __suffix : str | tuple [str , ...], __start : SupportsIndex | None = ..., __end : SupportsIndex | None = ...
426435 ) -> bool : ...
427436 if sys .version_info >= (3 , 8 ):
437+ @overload
438+ def expandtabs (self : LiteralString , tabsize : SupportsIndex = 8 ) -> LiteralString : ...
439+ @overload
428440 def expandtabs (self , tabsize : SupportsIndex = 8 ) -> str : ... # type: ignore[misc]
429441 else :
442+ @overload
443+ def expandtabs (self : LiteralString , tabsize : int = 8 ) -> LiteralString : ...
444+ @overload
430445 def expandtabs (self , tabsize : int = 8 ) -> str : ... # type: ignore[misc]
431446
432447 def find (self , __sub : str , __start : SupportsIndex | None = ..., __end : SupportsIndex | None = ...) -> int : ...
448+ @overload
449+ def format (self : LiteralString , * args : LiteralString , ** kwargs : LiteralString ) -> LiteralString : ...
450+ @overload
433451 def format (self , * args : object , ** kwargs : object ) -> str : ...
434452 def format_map (self , map : _FormatMapMapping ) -> str : ...
435453 def index (self , __sub : str , __start : SupportsIndex | None = ..., __end : SupportsIndex | None = ...) -> int : ...
@@ -445,32 +463,91 @@ class str(Sequence[str]):
445463 def isspace (self ) -> bool : ...
446464 def istitle (self ) -> bool : ...
447465 def isupper (self ) -> bool : ...
466+ @overload
467+ def join (self : LiteralString , __iterable : Iterable [LiteralString ]) -> LiteralString : ...
468+ @overload
448469 def join (self , __iterable : Iterable [str ]) -> str : ... # type: ignore[misc]
470+ @overload
471+ def ljust (self : LiteralString , __width : SupportsIndex , __fillchar : LiteralString = " " ) -> LiteralString : ...
472+ @overload
449473 def ljust (self , __width : SupportsIndex , __fillchar : str = " " ) -> str : ... # type: ignore[misc]
474+ @overload
475+ def lower (self : LiteralString ) -> LiteralString : ...
476+ @overload
450477 def lower (self ) -> str : ... # type: ignore[misc]
478+ @overload
479+ def lstrip (self : LiteralString , __chars : LiteralString | None = None ) -> LiteralString : ...
480+ @overload
451481 def lstrip (self , __chars : str | None = None ) -> str : ... # type: ignore[misc]
482+ @overload
483+ def partition (self : LiteralString , __sep : LiteralString ) -> tuple [LiteralString , LiteralString , LiteralString ]: ...
484+ @overload
452485 def partition (self , __sep : str ) -> tuple [str , str , str ]: ... # type: ignore[misc]
486+ @overload
487+ def replace (
488+ self : LiteralString , __old : LiteralString , __new : LiteralString , __count : SupportsIndex = - 1
489+ ) -> LiteralString : ...
490+ @overload
453491 def replace (self , __old : str , __new : str , __count : SupportsIndex = - 1 ) -> str : ... # type: ignore[misc]
454492 if sys .version_info >= (3 , 9 ):
493+ @overload
494+ def removeprefix (self : LiteralString , __prefix : LiteralString ) -> LiteralString : ...
495+ @overload
455496 def removeprefix (self , __prefix : str ) -> str : ... # type: ignore[misc]
497+ @overload
498+ def removesuffix (self : LiteralString , __suffix : LiteralString ) -> LiteralString : ...
499+ @overload
456500 def removesuffix (self , __suffix : str ) -> str : ... # type: ignore[misc]
457501
458502 def rfind (self , __sub : str , __start : SupportsIndex | None = ..., __end : SupportsIndex | None = ...) -> int : ...
459503 def rindex (self , __sub : str , __start : SupportsIndex | None = ..., __end : SupportsIndex | None = ...) -> int : ...
504+ @overload
505+ def rjust (self : LiteralString , __width : SupportsIndex , __fillchar : LiteralString = " " ) -> LiteralString : ...
506+ @overload
460507 def rjust (self , __width : SupportsIndex , __fillchar : str = " " ) -> str : ... # type: ignore[misc]
508+ @overload
509+ def rpartition (self : LiteralString , __sep : LiteralString ) -> tuple [LiteralString , LiteralString , LiteralString ]: ...
510+ @overload
461511 def rpartition (self , __sep : str ) -> tuple [str , str , str ]: ... # type: ignore[misc]
512+ @overload
513+ def rsplit (self : LiteralString , sep : LiteralString | None = None , maxsplit : SupportsIndex = - 1 ) -> list [LiteralString ]: ...
514+ @overload
462515 def rsplit (self , sep : str | None = None , maxsplit : SupportsIndex = - 1 ) -> list [str ]: ... # type: ignore[misc]
516+ @overload
517+ def rstrip (self : LiteralString , __chars : LiteralString | None = None ) -> LiteralString : ...
518+ @overload
463519 def rstrip (self , __chars : str | None = None ) -> str : ... # type: ignore[misc]
520+ @overload
521+ def split (self : LiteralString , sep : LiteralString | None = None , maxsplit : SupportsIndex = - 1 ) -> list [LiteralString ]: ...
522+ @overload
464523 def split (self , sep : str | None = None , maxsplit : SupportsIndex = - 1 ) -> list [str ]: ... # type: ignore[misc]
524+ @overload
525+ def splitlines (self : LiteralString , keepends : bool = False ) -> list [LiteralString ]: ...
526+ @overload
465527 def splitlines (self , keepends : bool = False ) -> list [str ]: ... # type: ignore[misc]
466528 def startswith (
467529 self , __prefix : str | tuple [str , ...], __start : SupportsIndex | None = ..., __end : SupportsIndex | None = ...
468530 ) -> bool : ...
531+ @overload
532+ def strip (self : LiteralString , __chars : LiteralString | None = None ) -> LiteralString : ...
533+ @overload
469534 def strip (self , __chars : str | None = None ) -> str : ... # type: ignore[misc]
535+ @overload
536+ def swapcase (self : LiteralString ) -> LiteralString : ...
537+ @overload
470538 def swapcase (self ) -> str : ... # type: ignore[misc]
539+ @overload
540+ def title (self : LiteralString ) -> LiteralString : ...
541+ @overload
471542 def title (self ) -> str : ... # type: ignore[misc]
472543 def translate (self , __table : _TranslateTable ) -> str : ...
544+ @overload
545+ def upper (self : LiteralString ) -> LiteralString : ...
546+ @overload
473547 def upper (self ) -> str : ... # type: ignore[misc]
548+ @overload
549+ def zfill (self : LiteralString , __width : SupportsIndex ) -> LiteralString : ...
550+ @overload
474551 def zfill (self , __width : SupportsIndex ) -> str : ... # type: ignore[misc]
475552 @staticmethod
476553 @overload
@@ -481,20 +558,35 @@ class str(Sequence[str]):
481558 @staticmethod
482559 @overload
483560 def maketrans (__x : str , __y : str , __z : str ) -> dict [int , int | None ]: ...
561+ @overload
562+ def __add__ (self : LiteralString , __value : LiteralString ) -> LiteralString : ...
563+ @overload
484564 def __add__ (self , __value : str ) -> str : ... # type: ignore[misc]
485565 # Incompatible with Sequence.__contains__
486566 def __contains__ (self , __key : str ) -> bool : ... # type: ignore[override]
487567 def __eq__ (self , __value : object ) -> bool : ...
488568 def __ge__ (self , __value : str ) -> bool : ...
489569 def __getitem__ (self , __key : SupportsIndex | slice ) -> str : ...
490570 def __gt__ (self , __value : str ) -> bool : ...
571+ @overload
572+ def __iter__ (self : LiteralString ) -> Iterator [LiteralString ]: ...
573+ @overload
491574 def __iter__ (self ) -> Iterator [str ]: ... # type: ignore[misc]
492575 def __le__ (self , __value : str ) -> bool : ...
493576 def __len__ (self ) -> int : ...
494577 def __lt__ (self , __value : str ) -> bool : ...
578+ @overload
579+ def __mod__ (self : LiteralString , __value : LiteralString | tuple [LiteralString , ...]) -> LiteralString : ...
580+ @overload
495581 def __mod__ (self , __value : Any ) -> str : ...
582+ @overload
583+ def __mul__ (self : LiteralString , __value : SupportsIndex ) -> LiteralString : ...
584+ @overload
496585 def __mul__ (self , __value : SupportsIndex ) -> str : ... # type: ignore[misc]
497586 def __ne__ (self , __value : object ) -> bool : ...
587+ @overload
588+ def __rmul__ (self : LiteralString , __value : SupportsIndex ) -> LiteralString : ...
589+ @overload
498590 def __rmul__ (self , __value : SupportsIndex ) -> str : ... # type: ignore[misc]
499591 def __getnewargs__ (self ) -> tuple [str ]: ...
500592
@@ -1638,11 +1730,11 @@ _SupportsSumNoDefaultT = TypeVar("_SupportsSumNoDefaultT", bound=_SupportsSumWit
16381730# Instead, we special-case the most common examples of this: bool and literal integers.
16391731if sys .version_info >= (3 , 8 ):
16401732 @overload
1641- def sum (__iterable : Iterable [bool ], start : int = 0 ) -> int : ... # type: ignore[misc]
1733+ def sum (__iterable : Iterable [bool | _LiteralInteger ], start : int = 0 ) -> int : ... # type: ignore[misc]
16421734
16431735else :
16441736 @overload
1645- def sum (__iterable : Iterable [bool ], __start : int = 0 ) -> int : ... # type: ignore[misc]
1737+ def sum (__iterable : Iterable [bool | _LiteralInteger ], __start : int = 0 ) -> int : ... # type: ignore[misc]
16461738
16471739@overload
16481740def sum (__iterable : Iterable [_SupportsSumNoDefaultT ]) -> _SupportsSumNoDefaultT | Literal [0 ]: ...
@@ -1747,7 +1839,7 @@ def __import__(
17471839 name : str ,
17481840 globals : Mapping [str , object ] | None = None ,
17491841 locals : Mapping [str , object ] | None = None ,
1750- fromlist : Sequence [str ] = ... ,
1842+ fromlist : Sequence [str ] = () ,
17511843 level : int = 0 ,
17521844) -> types .ModuleType : ...
17531845def __build_class__ (__func : Callable [[], _Cell | Any ], __name : str , * bases : Any , metaclass : Any = ..., ** kwds : Any ) -> Any : ...
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