mirror of
https://github.com/davidhalter/typeshed.git
synced 2026-05-04 20:45:49 +08:00
Rogdham
103 lines
3.6 KiB
Python
103 lines
3.6 KiB
Python
from _typeshed import ReadableBuffer
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from collections.abc import Mapping
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from compression.zstd import CompressionParameter, DecompressionParameter
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from typing import Final, Literal, final
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from typing_extensions import Self, TypeAlias
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ZSTD_CLEVEL_DEFAULT: Final = 3
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ZSTD_DStreamOutSize: Final = 131072
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ZSTD_btlazy2: Final = 6
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ZSTD_btopt: Final = 7
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ZSTD_btultra: Final = 8
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ZSTD_btultra2: Final = 9
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ZSTD_c_chainLog: Final = 103
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ZSTD_c_checksumFlag: Final = 201
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ZSTD_c_compressionLevel: Final = 100
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ZSTD_c_contentSizeFlag: Final = 200
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ZSTD_c_dictIDFlag: Final = 202
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ZSTD_c_enableLongDistanceMatching: Final = 160
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ZSTD_c_hashLog: Final = 102
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ZSTD_c_jobSize: Final = 401
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ZSTD_c_ldmBucketSizeLog: Final = 163
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ZSTD_c_ldmHashLog: Final = 161
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ZSTD_c_ldmHashRateLog: Final = 164
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ZSTD_c_ldmMinMatch: Final = 162
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ZSTD_c_minMatch: Final = 105
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ZSTD_c_nbWorkers: Final = 400
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ZSTD_c_overlapLog: Final = 402
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ZSTD_c_searchLog: Final = 104
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ZSTD_c_strategy: Final = 107
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ZSTD_c_targetLength: Final = 106
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ZSTD_c_windowLog: Final = 101
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ZSTD_d_windowLogMax: Final = 100
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ZSTD_dfast: Final = 2
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ZSTD_fast: Final = 1
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ZSTD_greedy: Final = 3
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ZSTD_lazy: Final = 4
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ZSTD_lazy2: Final = 5
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_ZstdCompressorContinue: TypeAlias = Literal[0]
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_ZstdCompressorFlushBlock: TypeAlias = Literal[1]
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_ZstdCompressorFlushFrame: TypeAlias = Literal[2]
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@final
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class ZstdCompressor:
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CONTINUE: Final = 0
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FLUSH_BLOCK: Final = 1
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FLUSH_FRAME: Final = 2
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def __new__(
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cls,
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level: int | None = None,
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options: Mapping[int, int] | None = None,
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zstd_dict: ZstdDict | tuple[ZstdDict, int] | None = None,
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) -> Self: ...
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def compress(
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self, /, data: ReadableBuffer, mode: _ZstdCompressorContinue | _ZstdCompressorFlushBlock | _ZstdCompressorFlushFrame = 0
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) -> bytes: ...
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def flush(self, /, mode: _ZstdCompressorFlushBlock | _ZstdCompressorFlushFrame = 2) -> bytes: ...
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def set_pledged_input_size(self, size: int | None, /) -> None: ...
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@property
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def last_mode(self) -> _ZstdCompressorContinue | _ZstdCompressorFlushBlock | _ZstdCompressorFlushFrame: ...
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@final
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class ZstdDecompressor:
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def __new__(
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cls, zstd_dict: ZstdDict | tuple[ZstdDict, int] | None = None, options: Mapping[int, int] | None = None
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) -> Self: ...
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def decompress(self, /, data: ReadableBuffer, max_length: int = -1) -> bytes: ...
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@property
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def eof(self) -> bool: ...
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@property
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def needs_input(self) -> bool: ...
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@property
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def unused_data(self) -> bytes: ...
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@final
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class ZstdDict:
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def __new__(cls, dict_content: bytes, /, *, is_raw: bool = False) -> Self: ...
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def __len__(self, /) -> int: ...
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@property
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def as_digested_dict(self) -> tuple[Self, int]: ...
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@property
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def as_prefix(self) -> tuple[Self, int]: ...
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@property
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def as_undigested_dict(self) -> tuple[Self, int]: ...
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@property
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def dict_content(self) -> bytes: ...
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@property
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def dict_id(self) -> int: ...
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class ZstdError(Exception): ...
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def finalize_dict(
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custom_dict_bytes: bytes, samples_bytes: bytes, samples_sizes: tuple[int, ...], dict_size: int, compression_level: int, /
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) -> bytes: ...
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def get_frame_info(frame_buffer: ReadableBuffer) -> tuple[int, int]: ...
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def get_frame_size(frame_buffer: ReadableBuffer) -> int: ...
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def get_param_bounds(parameter: int, is_compress: bool) -> tuple[int, int]: ...
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def set_parameter_types(c_parameter_type: type[CompressionParameter], d_parameter_type: type[DecompressionParameter]) -> None: ...
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def train_dict(samples_bytes: bytes, samples_sizes: tuple[int, ...], dict_size: int, /) -> bytes: ...
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zstd_version: Final[str]
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zstd_version_number: Final[int]
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