Files
typeshed/stdlib/3/typing.pyi
2015-09-30 09:59:44 -07:00

337 lines
11 KiB
Python

# Stubs for typing
from abc import abstractmethod, ABCMeta
# Definitions of special type checking related constructs. Their definition
# are not used, so their value does not matter.
cast = object()
overload = object()
Any = object()
TypeVar = object()
Generic = object()
Tuple = object()
Callable = object()
builtinclass = object()
_promote = object()
NamedTuple = object()
no_type_check = object()
# Type aliases and type constructors
class TypeAlias:
# Class for defining generic aliases for library types.
def __init__(self, target_type): ...
def __getitem__(self, typeargs): ...
Union = TypeAlias(object)
Optional = TypeAlias(object)
List = TypeAlias(object)
Dict = TypeAlias(object)
Set = TypeAlias(object)
# Predefined type variables.
AnyStr = TypeVar('AnyStr', str, bytes)
# Abstract base classes.
# These type variables are used by the container types.
_T = TypeVar('_T')
_S = TypeVar('_S')
_KT = TypeVar('_KT') # Key type.
_VT = TypeVar('_VT') # Value type.
_T_co = TypeVar('_T_co', covariant=True) # Any type covariant containers.
_V_co = TypeVar('_V_co', covariant=True) # Any type covariant containers.
_KT_co = TypeVar('_KT_co', covariant=True) # Key type covariant containers.
_VT_co = TypeVar('_VT_co', covariant=True) # Value type covariant containers.
_T_contra = TypeVar('_T_contra', contravariant=True) # Ditto contravariant.
# TODO Container etc.
class SupportsInt(metaclass=ABCMeta):
@abstractmethod
def __int__(self) -> int: ...
class SupportsFloat(metaclass=ABCMeta):
@abstractmethod
def __float__(self) -> float: ...
class SupportsAbs(Generic[_T]):
@abstractmethod
def __abs__(self) -> _T: ...
class SupportsRound(Generic[_T]):
@abstractmethod
def __round__(self, ndigits: int = 0) -> _T: ...
class Reversible(Generic[_T]):
@abstractmethod
def __reversed__(self) -> Iterator[_T]: ...
class Sized(metaclass=ABCMeta):
@abstractmethod
def __len__(self) -> int: ...
class Hashable(metaclass=ABCMeta):
# TODO: This is special, in that a subclass of a hashable class may not be hashable
# (for example, list vs. object). It's not obvious how to represent this. This class
# is currently mostly useless for static checking.
@abstractmethod
def __hash__(self) -> int: ...
class Iterable(Generic[_T_co]):
@abstractmethod
def __iter__(self) -> Iterator[_T_co]: ...
class Iterator(Iterable[_T_co], Generic[_T_co]):
@abstractmethod
def __next__(self) -> _T_co: ...
def __iter__(self) -> Iterator[_T_co]: ...
class Container(Generic[_T_co]):
@abstractmethod
def __contains__(self, x: object) -> bool: ...
class Sequence(Iterable[_T_co], Container[_T_co], Sized, Reversible[_T_co], Generic[_T_co]):
@overload
@abstractmethod
def __getitem__(self, i: int) -> _T_co: ...
@overload
@abstractmethod
def __getitem__(self, s: slice) -> Sequence[_T_co]: ...
# Mixin methods
def index(self, x: Any) -> int: ...
def count(self, x: Any) -> int: ...
def __contains__(self, x: object) -> bool: ...
def __iter__(self) -> Iterator[_T_co]: ...
def __reversed__(self) -> Iterator[_T_co]: ...
class MutableSequence(Sequence[_T], Generic[_T]):
@abstractmethod
def insert(self, index: int, object: _T) -> None: ...
@overload
@abstractmethod
def __setitem__(self, i: int, o: _T) -> None: ...
@overload
@abstractmethod
def __setitem__(self, s: slice, o: Sequence[_T]) -> None: ...
@abstractmethod
def __delitem__(self, i: Union[int, slice]) -> None: ...
# Mixin methods
def append(self, object: _T) -> None: ...
def extend(self, iterable: Iterable[_T]) -> None: ...
def reverse(self) -> None: ...
def pop(self, index: int = -1) -> _T: ...
def remove(self, object: _T) -> None: ...
def __iadd__(self, x: Iterable[_T]) -> MutableSequence[_T]: ...
class AbstractSet(Iterable[_KT_co], Container[_KT_co], Sized, Generic[_KT_co]):
@abstractmethod
def __contains__(self, x: object) -> bool: ...
# Mixin methods
def __le__(self, s: AbstractSet[Any]) -> bool: ...
def __lt__(self, s: AbstractSet[Any]) -> bool: ...
def __gt__(self, s: AbstractSet[Any]) -> bool: ...
def __ge__(self, s: AbstractSet[Any]) -> bool: ...
def __and__(self, s: AbstractSet[Any]) -> AbstractSet[_KT_co]: ...
def __or__(self, s: AbstractSet[_T]) -> AbstractSet[Union[_KT_co, _T]]: ...
def __sub__(self, s: AbstractSet[Any]) -> AbstractSet[_KT_co]: ...
def __xor__(self, s: AbstractSet[_T]) -> AbstractSet[Union[_KT_co, _T]]: ...
# TODO: Argument can be a more general ABC?
def isdisjoint(self, s: AbstractSet[Any]) -> bool: ...
class MutableSet(AbstractSet[_T], Generic[_T]):
@abstractmethod
def add(self, x: _T) -> None: ...
@abstractmethod
def discard(self, x: _T) -> None: ...
# Mixin methods
def clear(self) -> None: ...
def pop(self) -> _T: ...
def remove(self, element: _T) -> None: ...
def __ior__(self, s: AbstractSet[_S]) -> MutableSet[Union[_T, _S]]: ...
def __iand__(self, s: AbstractSet[Any]) -> MutableSet[_T]: ...
def __ixor__(self, s: AbstractSet[_S]) -> MutableSet[Union[_T, _S]]: ...
def __isub__(self, s: AbstractSet[Any]) -> MutableSet[_T]: ...
class MappingView(Sized):
def __len__(self) -> int: ...
class ItemsView(AbstractSet[Tuple[_KT_co, _VT_co]], MappingView, Generic[_KT_co, _VT_co]):
def __contains__(self, o: object) -> bool: ...
def __iter__(self) -> Iterator[Tuple[_KT_co, _VT_co]]: ...
class KeysView(AbstractSet[_KT_co], MappingView, Generic[_KT_co]):
def __contains__(self, o: object) -> bool: ...
def __iter__(self) -> Iterator[_KT_co]: ...
class ValuesView(MappingView, Iterable[_VT_co], Generic[_VT_co]):
def __contains__(self, o: object) -> bool: ...
def __iter__(self) -> Iterator[_VT_co]: ...
class Mapping(Iterable[_KT], Container[_KT], Sized, Generic[_KT, _VT]):
# TODO: Value type should be covariant, but currently we can't give a good signature for
# get if this is the case.
@abstractmethod
def __getitem__(self, k: _KT) -> _VT: ...
# Mixin methods
def get(self, k: _KT, default: _VT = ...) -> _VT: ...
def items(self) -> AbstractSet[Tuple[_KT, _VT]]: ...
def keys(self) -> AbstractSet[_KT]: ...
def values(self) -> ValuesView[_VT]: ...
def __contains__(self, o: object) -> bool: ...
class MutableMapping(Mapping[_KT, _VT], Generic[_KT, _VT]):
@abstractmethod
def __setitem__(self, k: _KT, v: _VT) -> None: ...
@abstractmethod
def __delitem__(self, v: _KT) -> None: ...
def clear(self) -> None: ...
def pop(self, k: _KT, default: _VT = ...) -> _VT: ...
def popitem(self) -> Tuple[_KT, _VT]: ...
def setdefault(self, k: _KT, default: _VT = ...) -> _VT: ...
def update(self, m: Union[Mapping[_KT, _VT],
Iterable[Tuple[_KT, _VT]]]) -> None: ...
class IO(Iterable[AnyStr], Generic[AnyStr]):
# TODO detach
# TODO use abstract properties
@property
def mode(self) -> str: ...
@property
def name(self) -> str: ...
@abstractmethod
def close(self) -> None: ...
@property
def closed(self) -> bool: ...
@abstractmethod
def fileno(self) -> int: ...
@abstractmethod
def flush(self) -> None: ...
@abstractmethod
def isatty(self) -> bool: ...
# TODO what if n is None?
@abstractmethod
def read(self, n: int = -1) -> AnyStr: ...
@abstractmethod
def readable(self) -> bool: ...
@abstractmethod
def readline(self, limit: int = -1) -> AnyStr: ...
@abstractmethod
def readlines(self, hint: int = -1) -> list[AnyStr]: ...
@abstractmethod
def seek(self, offset: int, whence: int = 0) -> int: ...
@abstractmethod
def seekable(self) -> bool: ...
@abstractmethod
def tell(self) -> int: ...
# TODO None should not be compatible with int
@abstractmethod
def truncate(self, size: int = None) -> int: ...
@abstractmethod
def writable(self) -> bool: ...
# TODO buffer objects
@abstractmethod
def write(self, s: AnyStr) -> int: ...
@abstractmethod
def writelines(self, lines: Iterable[AnyStr]) -> None: ...
@abstractmethod
def __iter__(self) -> Iterator[AnyStr]: ...
@abstractmethod
def __enter__(self) -> 'IO[AnyStr]': ...
@abstractmethod
def __exit__(self, type, value, traceback) -> bool: ...
class BinaryIO(IO[bytes]):
# TODO readinto
# TODO read1?
# TODO peek?
@overload
@abstractmethod
def write(self, s: bytes) -> int: ...
@overload
@abstractmethod
def write(self, s: bytearray) -> int: ...
@abstractmethod
def __enter__(self) -> BinaryIO: ...
class TextIO(IO[str]):
# TODO use abstractproperty
@property
def buffer(self) -> BinaryIO: ...
@property
def encoding(self) -> str: ...
@property
def errors(self) -> str: ...
@property
def line_buffering(self) -> int: ... # int on PyPy, bool on CPython
@property
def newlines(self) -> Any: ... # None, str or tuple
@abstractmethod
def __enter__(self) -> TextIO: ...
class ByteString(Sequence[int]): ...
class Match(Generic[AnyStr]):
pos = 0
endpos = 0
lastindex = 0
lastgroup = ... # type: AnyStr
string = ... # type: AnyStr
# The regular expression object whose match() or search() method produced
# this match instance.
re = ... # type: 'Pattern[AnyStr]'
def expand(self, template: AnyStr) -> AnyStr: ...
@overload
def group(self, group1: int = 0) -> AnyStr: ...
@overload
def group(self, group1: str) -> AnyStr: ...
@overload
def group(self, group1: int, group2: int,
*groups: int) -> Sequence[AnyStr]: ...
@overload
def group(self, group1: str, group2: str,
*groups: str) -> Sequence[AnyStr]: ...
def groups(self, default: AnyStr = None) -> Sequence[AnyStr]: ...
def groupdict(self, default: AnyStr = None) -> dict[str, AnyStr]: ...
def start(self, group: int = 0) -> int: ...
def end(self, group: int = 0) -> int: ...
def span(self, group: int = 0) -> Tuple[int, int]: ...
class Pattern(Generic[AnyStr]):
flags = 0
groupindex = 0
groups = 0
pattern = ... # type: AnyStr
def search(self, string: AnyStr, pos: int = 0,
endpos: int = -1) -> Match[AnyStr]: ...
def match(self, string: AnyStr, pos: int = 0,
endpos: int = -1) -> Match[AnyStr]: ...
def split(self, string: AnyStr, maxsplit: int = 0) -> list[AnyStr]: ...
def findall(self, string: AnyStr, pos: int = 0,
endpos: int = -1) -> list[AnyStr]: ...
def finditer(self, string: AnyStr, pos: int = 0,
endpos: int = -1) -> Iterator[Match[AnyStr]]: ...
@overload
def sub(self, repl: AnyStr, string: AnyStr,
count: int = 0) -> AnyStr: ...
@overload
def sub(self, repl: Callable[[Match[AnyStr]], AnyStr], string: AnyStr,
count: int = 0) -> AnyStr: ...
@overload
def subn(self, repl: AnyStr, string: AnyStr,
count: int = 0) -> Tuple[AnyStr, int]: ...
@overload
def subn(self, repl: Callable[[Match[AnyStr]], AnyStr], string: AnyStr,
count: int = 0) -> Tuple[AnyStr, int]: ...