torchoutil.pyoutil.hashlib module

class Hasher(

*args,

**kwargs,

)

Bases: Protocol

block_size: int

digest_size: int

hexdigest() → str

name: str

update(

data: Buffer,

/,

) → None

hash_file(

fpath: str | Path | BufferedReader,

hash_type: Literal['sha256', 'md5'] | Hasher = 'md5',

chunk_size: int | None = 268435456,

) → str

Return the hash value for a file.

Based on https://github.com/pytorch/audio/blob/v0.13.0/torchaudio/datasets/utils.py#L110

Args:

fpath: Path to existing file. hash_type: Hash name or custom Hasher algorithm. chunk_size: Max chunk size in bytes. defaults to 268435456 (256 MiB).

Returns:

Hash value as string.