[PATCH 26/42] lnst.Common.Utils: add sha256sum function

From: Ondrej Lichtner <olichtne(a)redhat.com&gt; Calculates a SHA256 hexdigest of a file. Signed-off-by: Ondrej Lichtner <olichtne(a)redhat.com&gt; --- lnst/Common/Utils.py | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/lnst/Common/Utils.py b/lnst/Common/Utils.py index d6d6c57..93e9560 100644 --- a/lnst/Common/Utils.py +++ b/lnst/Common/Utils.py @@ -108,6 +108,17 @@ def md5sum(file_path, block_size=2**20): return md5.hexdigest() +def sha256sum(file_path): + sha256 = hashlib.sha256() + with open(file_path, "rb") as f: + while True: + data = f.read(1024) + if not data: + break + sha256.update(data) + + return sha256.hexdigest() + def create_tar_archive(input_path, target_path, compression=False): if compression: args = "cfj" -- 2.12.2