hashutils.py

import hashlib


def compute_file_checksum(
    filepath: str,
    algorithm: str = "md5",
    chunk_size: int = 1024,
) -> str:
    hasher = hashlib.new(algorithm)
    with open(filepath, "rb") as fp:
        while True:
            buffer = fp.read(chunk_size * hasher.block_size)
            if not buffer:
                break
            hasher.update(buffer)
    return hasher.hexdigest()