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pyzstd
__init__.pyi
import io from enum import IntEnum from os import PathLike from typing import overload, Dict, ByteString, Optional, Union, Callable, \ Iterable, Literal, ClassVar, Tuple, NamedTuple, BinaryIO, \ TextIO __version__: str zstd_version: str zstd_version_info: Tuple[int, int, int] zstd_support_multithread: bool class values(NamedTuple): default: int min: int max: int compressionLevel_values: values class Strategy(IntEnum): fast: int dfast: int greedy: int lazy: int lazy2: int btlazy2: int btopt: int btultra: int btultra2: int class CParameter(IntEnum): compressionLevel: int windowLog: int hashLog: int chainLog: int searchLog: int minMatch: int targetLength: int strategy: int enableLongDistanceMatching: int ldmHashLog: int ldmMinMatch: int ldmBucketSizeLog: int ldmHashRateLog: int contentSizeFlag: int checksumFlag: int dictIDFlag: int nbWorkers: int jobSize: int overlapLog: int def bounds(self) -> Tuple[int, int]: ... class DParameter(IntEnum): windowLogMax: int def bounds(self) -> Tuple[int, int]: ... class ZstdDict: dict_content: bytes dict_id: int def __init__(self, dict_content, is_raw: bool = False) -> None: ... class ZstdCompressor: CONTINUE: ClassVar[int] FLUSH_BLOCK: ClassVar[int] FLUSH_FRAME: ClassVar[int] last_mode: Union[ZstdCompressor.CONTINUE, ZstdCompressor.FLUSH_BLOCK, ZstdCompressor.FLUSH_FRAME] def __init__(self, level_or_option: Union[None, int, Dict[CParameter, int]] = None, zstd_dict: Optional[ZstdDict] = None) -> None: ... def compress(self, data, mode: Union[ZstdCompressor.CONTINUE, ZstdCompressor.FLUSH_BLOCK, ZstdCompressor.FLUSH_FRAME] = ZstdCompressor.CONTINUE) -> bytes: ... def flush(self, mode: Union[ZstdCompressor.FLUSH_BLOCK, ZstdCompressor.FLUSH_FRAME] = ZstdCompressor.FLUSH_FRAME) -> bytes: ... def _set_pledged_input_size(self, size: Union[int, None]) -> None: ... class RichMemZstdCompressor: def __init__(self, level_or_option: Union[None, int, Dict[CParameter, int]] = None, zstd_dict: Optional[ZstdDict] = None) -> None: ... def compress(self, data) -> bytes: ... class ZstdDecompressor: needs_input: bool eof: bool unused_data: bytes def __init__(self, zstd_dict: Optional[ZstdDict] = None, option: Optional[Dict[DParameter, int]] = None) -> None: ... def decompress(self, data: ByteString, max_length: int = -1) -> bytes: ... class EndlessZstdDecompressor: needs_input: bool at_frame_edge: bool def __init__(self, zstd_dict: Optional[ZstdDict] = None, option: Optional[Dict[DParameter, int]] = None) -> None: ... def decompress(self, data: ByteString, max_length: int = -1) -> bytes: ... class ZstdError(Exception): ... def compress(data, level_or_option: Union[None, int, Dict[CParameter, int]] = None, zstd_dict: Optional[ZstdDict] = None) -> bytes: ... def richmem_compress(data, level_or_option: Union[None, int, Dict[CParameter, int]] = None, zstd_dict: Optional[ZstdDict] = None) -> bytes: ... def decompress(data: ByteString, zstd_dict: Optional[ZstdDict] = None, option: Optional[Dict[DParameter, int]] = None) -> bytes: ... def compress_stream(input_stream: BinaryIO, output_stream: Union[BinaryIO, None], *, level_or_option: Union[None, int, Dict[CParameter, int]] = None, zstd_dict: Optional[ZstdDict] = None, pledged_input_size: Optional[int] = None, read_size: int = 131_072, write_size: int = 131_591, callback: Optional[Callable[[int, int, memoryview, memoryview], None]] = None) -> Tuple[int, int]: ... def decompress_stream(input_stream: BinaryIO, output_stream: Union[BinaryIO, None], *, zstd_dict: Optional[ZstdDict] = None, option: Optional[Dict[DParameter, int]] = None, read_size: int = 131_075, write_size: int = 131_072, callback: Optional[Callable[[int, int, memoryview, memoryview], None]] = None) -> Tuple[int, int]: ... def train_dict(samples: Iterable, dict_size: int) -> ZstdDict: ... def finalize_dict(zstd_dict: ZstdDict, samples: Iterable, dict_size: int, level: int) -> ZstdDict: ... class frame_info(NamedTuple): decompressed_size: Union[int, None] dictionary_id: int def get_frame_info(frame_buffer: ByteString) -> frame_info: ... def get_frame_size(frame_buffer: ByteString) -> int: ... class ZstdFile(io.BufferedIOBase): def __init__(self, filename: Union[str, bytes, PathLike, BinaryIO], mode: str = "r", *, level_or_option: Union[None, int, Dict[CParameter, int], Dict[DParameter, int]] = None, zstd_dict: Optional[ZstdDict] = None) -> None: ... def close(self) -> None: ... def write(self, data) -> int: ... def flush(self) -> None: ... def read(self, size: int = -1) -> bytes: ... def read1(self, size: int = -1) -> bytes: ... def readinto(self, b) -> int: ... def readinto1(self, b) -> int: ... def readline(self, size: int = -1) -> bytes: ... def seek(self, offset: int, whence: Union[io.SEEK_SET, io.SEEK_CUR, io.SEEK_END] = io.SEEK_SET) -> int: ... def peek(self, size: int = -1) -> bytes: ... def tell(self) -> int: ... def fileno(self) -> int: ... @property def closed(self) -> bool: ... def writable(self) -> bool: ... def readable(self) -> bool: ... def seekable(self) -> bool: ... _BinaryMode = Literal["r", "rb", # read "w", "wb", "a", "ab", "x", "xb"] # write _TextMode = Literal["rt", # read "wt", "at", "xt"] # write @overload def open(filename: Union[str, bytes, PathLike, BinaryIO], mode: _BinaryMode = "rb", *, level_or_option: Union[None, int, Dict[CParameter, int], Dict[DParameter, int]] = None, zstd_dict: Optional[ZstdDict] = None, encoding: None = None, errors: None = None, newline: None = None) -> ZstdFile: ... @overload def open(filename: Union[str, bytes, PathLike, BinaryIO], mode: _TextMode = ..., *, level_or_option: Union[None, int, Dict[CParameter, int], Dict[DParameter, int]] = None, zstd_dict: Optional[ZstdDict] = None, encoding: Optional[str] = None, errors: Optional[str] = None, newline: Optional[str] = None) -> TextIO: ... @overload def open(filename: Union[str, bytes, PathLike, BinaryIO], mode: str = "rb", *, level_or_option: Union[None, int, Dict[CParameter, int], Dict[DParameter, int]] = None, zstd_dict: Optional[ZstdDict] = None, encoding: Optional[str] = None, errors: Optional[str] = None, newline: Optional[str] = None) -> Union[ZstdFile, TextIO]: ...
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