13 def block_exists(block):  argument
14     return os.path.exists(block) and stat.S_ISBLK(os.stat(block).st_mode)
17 def lbsize(block):  argument
18     if not os.path.exists("/sys/block/%s/queue/logical_block_size" % block):
21     with open("/sys/block/%s/queue/logical_block_size" % block) as lbs:
25 def readb(block, offset, length, format="Q"):  argument
26     b = os.open(block, os.O_RDONLY)
33 def is_spdk_gpt(block, entry):  argument
34     block_path = "/dev/" + block
37         print("%s is not a block device" % block)
40     disk_lbsize = lbsize(block)
70         if is_spdk_gpt(args.block.replace("/dev/", ""), args.entry):
74         print("Failed to read GPT data from %s (%s)" % (args.block, e))