def dump_blob_ref(root_hexdigest, filename, sub_hexdigests=[]):
"""Write root and sub hexdigests to ref file."""
assert isinstance(root_hexdigest, basestring), root_hexdigest
assert len(root_hexdigest) == 40, root_hexdigest
with creat(filename, 0o444) as f:
f.write(root_hexdigest)
for sub_hexdigest in sub_hexdigests:
assert isinstance(sub_hexdigest, basestring), sub_hexdigest
assert len(sub_hexdigest) == 40, sub_hexdigest
f.write('\n')
f.write(sub_hexdigest)
def __init__(self, filename):
self._file = creat(filename, 0o444)
self._gzip = gzip.GzipFile(mode='wb', fileobj=self._file)
