Rdiff.py 文件源码

def write_delta(basis, new, delta, compress = None):
    """Write rdiff delta which brings basis to new"""
    log.Log("Writing delta %s from %s -> %s" %
            (basis.path, new.path, delta.path), 7)
    deltafile = librsync.DeltaFile(get_signature(basis), new.open("rb"))
    delta.write_from_fileobj(deltafile, compress)