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numpy
ctypeslib.pyi
# NOTE: Numpy's mypy plugin is used for importing the correct # platform-specific `ctypes._SimpleCData[int]` sub-type from ctypes import c_int64 as _c_intp import os import sys import ctypes from collections.abc import Iterable, Sequence from typing import ( Literal as L, Any, Union, TypeVar, Generic, overload, ClassVar, ) from numpy import ( ndarray, dtype, generic, bool_, byte, short, intc, int_, longlong, ubyte, ushort, uintc, uint, ulonglong, single, double, longdouble, void, ) from numpy.core._internal import _ctypes from numpy.core.multiarray import flagsobj from numpy._typing import ( # Arrays NDArray, _ArrayLike, # Shapes _ShapeLike, # DTypes DTypeLike, _DTypeLike, _VoidDTypeLike, _BoolCodes, _UByteCodes, _UShortCodes, _UIntCCodes, _UIntCodes, _ULongLongCodes, _ByteCodes, _ShortCodes, _IntCCodes, _IntCodes, _LongLongCodes, _SingleCodes, _DoubleCodes, _LongDoubleCodes, ) # TODO: Add a proper `_Shape` bound once we've got variadic typevars _DType = TypeVar("_DType", bound=dtype[Any]) _DTypeOptional = TypeVar("_DTypeOptional", bound=None | dtype[Any]) _SCT = TypeVar("_SCT", bound=generic) _FlagsKind = L[ 'C_CONTIGUOUS', 'CONTIGUOUS', 'C', 'F_CONTIGUOUS', 'FORTRAN', 'F', 'ALIGNED', 'A', 'WRITEABLE', 'W', 'OWNDATA', 'O', 'WRITEBACKIFCOPY', 'X', ] # TODO: Add a shape typevar once we have variadic typevars (PEP 646) class _ndptr(ctypes.c_void_p, Generic[_DTypeOptional]): # In practice these 4 classvars are defined in the dynamic class # returned by `ndpointer` _dtype_: ClassVar[_DTypeOptional] _shape_: ClassVar[None] _ndim_: ClassVar[None | int] _flags_: ClassVar[None | list[_FlagsKind]] @overload @classmethod def from_param(cls: type[_ndptr[None]], obj: ndarray[Any, Any]) -> _ctypes[Any]: ... @overload @classmethod def from_param(cls: type[_ndptr[_DType]], obj: ndarray[Any, _DType]) -> _ctypes[Any]: ... class _concrete_ndptr(_ndptr[_DType]): _dtype_: ClassVar[_DType] _shape_: ClassVar[tuple[int, ...]] @property def contents(self) -> ndarray[Any, _DType]: ... def load_library( libname: str | bytes | os.PathLike[str] | os.PathLike[bytes], loader_path: str | bytes | os.PathLike[str] | os.PathLike[bytes], ) -> ctypes.CDLL: ... __all__: list[str] c_intp = _c_intp @overload def ndpointer( dtype: None = ..., ndim: int = ..., shape: None | _ShapeLike = ..., flags: None | _FlagsKind | Iterable[_FlagsKind] | int | flagsobj = ..., ) -> type[_ndptr[None]]: ... @overload def ndpointer( dtype: _DTypeLike[_SCT], ndim: int = ..., *, shape: _ShapeLike, flags: None | _FlagsKind | Iterable[_FlagsKind] | int | flagsobj = ..., ) -> type[_concrete_ndptr[dtype[_SCT]]]: ... @overload def ndpointer( dtype: DTypeLike, ndim: int = ..., *, shape: _ShapeLike, flags: None | _FlagsKind | Iterable[_FlagsKind] | int | flagsobj = ..., ) -> type[_concrete_ndptr[dtype[Any]]]: ... @overload def ndpointer( dtype: _DTypeLike[_SCT], ndim: int = ..., shape: None = ..., flags: None | _FlagsKind | Iterable[_FlagsKind] | int | flagsobj = ..., ) -> type[_ndptr[dtype[_SCT]]]: ... @overload def ndpointer( dtype: DTypeLike, ndim: int = ..., shape: None = ..., flags: None | _FlagsKind | Iterable[_FlagsKind] | int | flagsobj = ..., ) -> type[_ndptr[dtype[Any]]]: ... @overload def as_ctypes_type(dtype: _BoolCodes | _DTypeLike[bool_] | type[ctypes.c_bool]) -> type[ctypes.c_bool]: ... @overload def as_ctypes_type(dtype: _ByteCodes | _DTypeLike[byte] | type[ctypes.c_byte]) -> type[ctypes.c_byte]: ... @overload def as_ctypes_type(dtype: _ShortCodes | _DTypeLike[short] | type[ctypes.c_short]) -> type[ctypes.c_short]: ... @overload def as_ctypes_type(dtype: _IntCCodes | _DTypeLike[intc] | type[ctypes.c_int]) -> type[ctypes.c_int]: ... @overload def as_ctypes_type(dtype: _IntCodes | _DTypeLike[int_] | type[int | ctypes.c_long]) -> type[ctypes.c_long]: ... @overload def as_ctypes_type(dtype: _LongLongCodes | _DTypeLike[longlong] | type[ctypes.c_longlong]) -> type[ctypes.c_longlong]: ... @overload def as_ctypes_type(dtype: _UByteCodes | _DTypeLike[ubyte] | type[ctypes.c_ubyte]) -> type[ctypes.c_ubyte]: ... @overload def as_ctypes_type(dtype: _UShortCodes | _DTypeLike[ushort] | type[ctypes.c_ushort]) -> type[ctypes.c_ushort]: ... @overload def as_ctypes_type(dtype: _UIntCCodes | _DTypeLike[uintc] | type[ctypes.c_uint]) -> type[ctypes.c_uint]: ... @overload def as_ctypes_type(dtype: _UIntCodes | _DTypeLike[uint] | type[ctypes.c_ulong]) -> type[ctypes.c_ulong]: ... @overload def as_ctypes_type(dtype: _ULongLongCodes | _DTypeLike[ulonglong] | type[ctypes.c_ulonglong]) -> type[ctypes.c_ulonglong]: ... @overload def as_ctypes_type(dtype: _SingleCodes | _DTypeLike[single] | type[ctypes.c_float]) -> type[ctypes.c_float]: ... @overload def as_ctypes_type(dtype: _DoubleCodes | _DTypeLike[double] | type[float | ctypes.c_double]) -> type[ctypes.c_double]: ... @overload def as_ctypes_type(dtype: _LongDoubleCodes | _DTypeLike[longdouble] | type[ctypes.c_longdouble]) -> type[ctypes.c_longdouble]: ... @overload def as_ctypes_type(dtype: _VoidDTypeLike) -> type[Any]: ... # `ctypes.Union` or `ctypes.Structure` @overload def as_ctypes_type(dtype: str) -> type[Any]: ... @overload def as_array(obj: ctypes._PointerLike, shape: Sequence[int]) -> NDArray[Any]: ... @overload def as_array(obj: _ArrayLike[_SCT], shape: None | _ShapeLike = ...) -> NDArray[_SCT]: ... @overload def as_array(obj: object, shape: None | _ShapeLike = ...) -> NDArray[Any]: ... @overload def as_ctypes(obj: bool_) -> ctypes.c_bool: ... @overload def as_ctypes(obj: byte) -> ctypes.c_byte: ... @overload def as_ctypes(obj: short) -> ctypes.c_short: ... @overload def as_ctypes(obj: intc) -> ctypes.c_int: ... @overload def as_ctypes(obj: int_) -> ctypes.c_long: ... @overload def as_ctypes(obj: longlong) -> ctypes.c_longlong: ... @overload def as_ctypes(obj: ubyte) -> ctypes.c_ubyte: ... @overload def as_ctypes(obj: ushort) -> ctypes.c_ushort: ... @overload def as_ctypes(obj: uintc) -> ctypes.c_uint: ... @overload def as_ctypes(obj: uint) -> ctypes.c_ulong: ... @overload def as_ctypes(obj: ulonglong) -> ctypes.c_ulonglong: ... @overload def as_ctypes(obj: single) -> ctypes.c_float: ... @overload def as_ctypes(obj: double) -> ctypes.c_double: ... @overload def as_ctypes(obj: longdouble) -> ctypes.c_longdouble: ... @overload def as_ctypes(obj: void) -> Any: ... # `ctypes.Union` or `ctypes.Structure` @overload def as_ctypes(obj: NDArray[bool_]) -> ctypes.Array[ctypes.c_bool]: ... @overload def as_ctypes(obj: NDArray[byte]) -> ctypes.Array[ctypes.c_byte]: ... @overload def as_ctypes(obj: NDArray[short]) -> ctypes.Array[ctypes.c_short]: ... @overload def as_ctypes(obj: NDArray[intc]) -> ctypes.Array[ctypes.c_int]: ... @overload def as_ctypes(obj: NDArray[int_]) -> ctypes.Array[ctypes.c_long]: ... @overload def as_ctypes(obj: NDArray[longlong]) -> ctypes.Array[ctypes.c_longlong]: ... @overload def as_ctypes(obj: NDArray[ubyte]) -> ctypes.Array[ctypes.c_ubyte]: ... @overload def as_ctypes(obj: NDArray[ushort]) -> ctypes.Array[ctypes.c_ushort]: ... @overload def as_ctypes(obj: NDArray[uintc]) -> ctypes.Array[ctypes.c_uint]: ... @overload def as_ctypes(obj: NDArray[uint]) -> ctypes.Array[ctypes.c_ulong]: ... @overload def as_ctypes(obj: NDArray[ulonglong]) -> ctypes.Array[ctypes.c_ulonglong]: ... @overload def as_ctypes(obj: NDArray[single]) -> ctypes.Array[ctypes.c_float]: ... @overload def as_ctypes(obj: NDArray[double]) -> ctypes.Array[ctypes.c_double]: ... @overload def as_ctypes(obj: NDArray[longdouble]) -> ctypes.Array[ctypes.c_longdouble]: ... @overload def as_ctypes(obj: NDArray[void]) -> ctypes.Array[Any]: ... # `ctypes.Union` or `ctypes.Structure`
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