code: def diff(path_from, path_to, ignore_empty = False):
    
    fh_from = open(path_from, 'rb')
    fh_to = open(path_to, 'rb')
    diffs = file_diff(fh_from, fh_to, ignore_empty)
    fh_to.close()
    fh_from.close()
    return diffs
docs: Compare two whisper databases. Each file must have the same archive configuration