git-importer/lib/hash.py

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import functools
import hashlib
def _hash(hash_alg, file_or_path):
h = hash_alg()
def __hash(f):
while chunk := f.read(1024 * 4):
h.update(chunk)
if hasattr(file_or_path, "read"):
__hash(file_or_path)
else:
with file_or_path.open("rb") as f:
__hash(f)
return h.hexdigest()
md5 = functools.partial(_hash, hashlib.md5)