npyio.pyi
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import os import sys import zipfile import types from re import Pattern from collections.abc import Collection, Mapping, Iterator, Sequence, Callable, Iterable from typing import ( Literal as L, Any, TypeVar, Generic, IO, overload, Protocol, ) from numpy import ( DataSource as DataSource, ndarray, recarray, dtype, generic, float64, void, record, ) from numpy.ma.mrecords import MaskedRecords from numpy._typing import ( ArrayLike, DTypeLike, NDArray, _DTypeLike, _SupportsArrayFunc, ) from numpy.core.multiarray import ( packbits as packbits, unpackbits as unpackbits, ) _T = TypeVar("_T") _T_contra = TypeVar("_T_contra", contravariant=True) _T_co = TypeVar("_T_co", covariant=True) _SCT = TypeVar("_SCT", bound=generic) _CharType_co = TypeVar("_CharType_co", str, bytes, covariant=True) _CharType_contra = TypeVar("_CharType_contra", str, bytes, contravariant=True) class _SupportsGetItem(Protocol[_T_contra, _T_co]): def __getitem__(self, key: _T_contra, /) -> _T_co: ... class _SupportsRead(Protocol[_CharType_co]): def read(self) -> _CharType_co: ... class _SupportsReadSeek(Protocol[_CharType_co]): def read(self, n: int, /) -> _CharType_co: ... def seek(self, offset: int, whence: int, /) -> object: ... class _SupportsWrite(Protocol[_CharType_contra]): def write(self, s: _CharType_contra, /) -> object: ... __all__: list[str] class BagObj(Generic[_T_co]): def __init__(self, obj: _SupportsGetItem[str, _T_co]) -> None: ... def __getattribute__(self, key: str) -> _T_co: ... def __dir__(self) -> list[str]: ... class NpzFile(Mapping[str, NDArray[Any]]): zip: zipfile.ZipFile fid: None | IO[str] files: list[str] allow_pickle: bool pickle_kwargs: None | Mapping[str, Any] _MAX_REPR_ARRAY_COUNT: int # Represent `f` as a mutable property so we can access the type of `self` @property def f(self: _T) -> BagObj[_T]: ... @f.setter def f(self: _T, value: BagObj[_T]) -> None: ... def __init__( self, fid: IO[str], own_fid: bool = ..., allow_pickle: bool = ..., pickle_kwargs: None | Mapping[str, Any] = ..., ) -> None: ... def __enter__(self: _T) -> _T: ... def __exit__( self, exc_type: None | type[BaseException], exc_value: None | BaseException, traceback: None | types.TracebackType, /, ) -> None: ... def close(self) -> None: ... def __del__(self) -> None: ... def __iter__(self) -> Iterator[str]: ... def __len__(self) -> int: ... def __getitem__(self, key: str) -> NDArray[Any]: ... def __contains__(self, key: str) -> bool: ... def __repr__(self) -> str: ... # NOTE: Returns a `NpzFile` if file is a zip file; # returns an `ndarray`/`memmap` otherwise def load( file: str | bytes | os.PathLike[Any] | _SupportsReadSeek[bytes], mmap_mode: L[None, "r+", "r", "w+", "c"] = ..., allow_pickle: bool = ..., fix_imports: bool = ..., encoding: L["ASCII", "latin1", "bytes"] = ..., ) -> Any: ... def save( file: str | os.PathLike[str] | _SupportsWrite[bytes], arr: ArrayLike, allow_pickle: bool = ..., fix_imports: bool = ..., ) -> None: ... def savez( file: str | os.PathLike[str] | _SupportsWrite[bytes], *args: ArrayLike, **kwds: ArrayLike, ) -> None: ... def savez_compressed( file: str | os.PathLike[str] | _SupportsWrite[bytes], *args: ArrayLike, **kwds: ArrayLike, ) -> None: ... # File-like objects only have to implement `__iter__` and, # optionally, `encoding` @overload def loadtxt( fname: str | os.PathLike[str] | Iterable[str] | Iterable[bytes], dtype: None = ..., comments: None | str | Sequence[str] = ..., delimiter: None | str = ..., converters: None | Mapping[int | str, Callable[[str], Any]] = ..., skiprows: int = ..., usecols: int | Sequence[int] = ..., unpack: bool = ..., ndmin: L[0, 1, 2] = ..., encoding: None | str = ..., max_rows: None | int = ..., *, quotechar: None | str = ..., like: None | _SupportsArrayFunc = ... ) -> NDArray[float64]: ... @overload def loadtxt( fname: str | os.PathLike[str] | Iterable[str] | Iterable[bytes], dtype: _DTypeLike[_SCT], comments: None | str | Sequence[str] = ..., delimiter: None | str = ..., converters: None | Mapping[int | str, Callable[[str], Any]] = ..., skiprows: int = ..., usecols: int | Sequence[int] = ..., unpack: bool = ..., ndmin: L[0, 1, 2] = ..., encoding: None | str = ..., max_rows: None | int = ..., *, quotechar: None | str = ..., like: None | _SupportsArrayFunc = ... ) -> NDArray[_SCT]: ... @overload def loadtxt( fname: str | os.PathLike[str] | Iterable[str] | Iterable[bytes], dtype: DTypeLike, comments: None | str | Sequence[str] = ..., delimiter: None | str = ..., converters: None | Mapping[int | str, Callable[[str], Any]] = ..., skiprows: int = ..., usecols: int | Sequence[int] = ..., unpack: bool = ..., ndmin: L[0, 1, 2] = ..., encoding: None | str = ..., max_rows: None | int = ..., *, quotechar: None | str = ..., like: None | _SupportsArrayFunc = ... ) -> NDArray[Any]: ... def savetxt( fname: str | os.PathLike[str] | _SupportsWrite[str] | _SupportsWrite[bytes], X: ArrayLike, fmt: str | Sequence[str] = ..., delimiter: str = ..., newline: str = ..., header: str = ..., footer: str = ..., comments: str = ..., encoding: None | str = ..., ) -> None: ... @overload def fromregex( file: str | os.PathLike[str] | _SupportsRead[str] | _SupportsRead[bytes], regexp: str | bytes | Pattern[Any], dtype: _DTypeLike[_SCT], encoding: None | str = ... ) -> NDArray[_SCT]: ... @overload def fromregex( file: str | os.PathLike[str] | _SupportsRead[str] | _SupportsRead[bytes], regexp: str | bytes | Pattern[Any], dtype: DTypeLike, encoding: None | str = ... ) -> NDArray[Any]: ... @overload def genfromtxt( fname: str | os.PathLike[str] | Iterable[str] | Iterable[bytes], dtype: None = ..., comments: str = ..., delimiter: None | str | int | Iterable[int] = ..., skip_header: int = ..., skip_footer: int = ..., converters: None | Mapping[int | str, Callable[[str], Any]] = ..., missing_values: Any = ..., filling_values: Any = ..., usecols: None | Sequence[int] = ..., names: L[None, True] | str | Collection[str] = ..., excludelist: None | Sequence[str] = ..., deletechars: str = ..., replace_space: str = ..., autostrip: bool = ..., case_sensitive: bool | L['upper', 'lower'] = ..., defaultfmt: str = ..., unpack: None | bool = ..., usemask: bool = ..., loose: bool = ..., invalid_raise: bool = ..., max_rows: None | int = ..., encoding: str = ..., *, ndmin: L[0, 1, 2] = ..., like: None | _SupportsArrayFunc = ..., ) -> NDArray[Any]: ... @overload def genfromtxt( fname: str | os.PathLike[str] | Iterable[str] | Iterable[bytes], dtype: _DTypeLike[_SCT], comments: str = ..., delimiter: None | str | int | Iterable[int] = ..., skip_header: int = ..., skip_footer: int = ..., converters: None | Mapping[int | str, Callable[[str], Any]] = ..., missing_values: Any = ..., filling_values: Any = ..., usecols: None | Sequence[int] = ..., names: L[None, True] | str | Collection[str] = ..., excludelist: None | Sequence[str] = ..., deletechars: str = ..., replace_space: str = ..., autostrip: bool = ..., case_sensitive: bool | L['upper', 'lower'] = ..., defaultfmt: str = ..., unpack: None | bool = ..., usemask: bool = ..., loose: bool = ..., invalid_raise: bool = ..., max_rows: None | int = ..., encoding: str = ..., *, ndmin: L[0, 1, 2] = ..., like: None | _SupportsArrayFunc = ..., ) -> NDArray[_SCT]: ... @overload def genfromtxt( fname: str | os.PathLike[str] | Iterable[str] | Iterable[bytes], dtype: DTypeLike, comments: str = ..., delimiter: None | str | int | Iterable[int] = ..., skip_header: int = ..., skip_footer: int = ..., converters: None | Mapping[int | str, Callable[[str], Any]] = ..., missing_values: Any = ..., filling_values: Any = ..., usecols: None | Sequence[int] = ..., names: L[None, True] | str | Collection[str] = ..., excludelist: None | Sequence[str] = ..., deletechars: str = ..., replace_space: str = ..., autostrip: bool = ..., case_sensitive: bool | L['upper', 'lower'] = ..., defaultfmt: str = ..., unpack: None | bool = ..., usemask: bool = ..., loose: bool = ..., invalid_raise: bool = ..., max_rows: None | int = ..., encoding: str = ..., *, ndmin: L[0, 1, 2] = ..., like: None | _SupportsArrayFunc = ..., ) -> NDArray[Any]: ... @overload def recfromtxt( fname: str | os.PathLike[str] | Iterable[str] | Iterable[bytes], *, usemask: L[False] = ..., **kwargs: Any, ) -> recarray[Any, dtype[record]]: ... @overload def recfromtxt( fname: str | os.PathLike[str] | Iterable[str] | Iterable[bytes], *, usemask: L[True], **kwargs: Any, ) -> MaskedRecords[Any, dtype[void]]: ... @overload def recfromcsv( fname: str | os.PathLike[str] | Iterable[str] | Iterable[bytes], *, usemask: L[False] = ..., **kwargs: Any, ) -> recarray[Any, dtype[record]]: ... @overload def recfromcsv( fname: str | os.PathLike[str] | Iterable[str] | Iterable[bytes], *, usemask: L[True], **kwargs: Any, ) -> MaskedRecords[Any, dtype[void]]: ...
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