import hashlib
import io
from pathlib import Path


def get_hash(filename):
    with open(filename, "r", encoding="latin-1") as frh:
        with open(filename + ".sha", "w", encoding="latin-1") as fwh:
            with io.StringIO() as chunk:
                for line in frh.readlines():
                    fwh.write(sha256_digest(line) + "\n")


def sha256_digest(chunk):
    m = hashlib.sha256(chunk.encode())
    return m.hexdigest()


def check_folder(folder):
    for f in Path(folder).glob("*.csv"):
        get_hash(str(f))


def main():
    check_folder("C:\\Users\\GAPS\\Documents\\SQL_Vergleich")


if __name__ == "__main__":
    main()