Files
littlefs/scripts/readblock.py
Christopher Haster 62cc4dbb14 scripts: Disabled local import hack on import
Moved local import hack behind if __name__ == "__main__"

These scripts aren't really intended to be used as python libraries.
Still, it's useful to import them for debugging and to get access to
their juicy internals.
2025-01-28 14:41:30 -06:00

33 lines
966 B
Python
Executable File

#!/usr/bin/env python3
# prevent local imports
if __name__ == "__main__":
__import__('sys').path.pop(0)
import subprocess as sp
def main(args):
with open(args.disk, 'rb') as f:
f.seek(args.block * args.block_size)
block = (f.read(args.block_size)
.ljust(args.block_size, b'\xff'))
# what did you expect?
print("%-8s %-s" % ('off', 'data'))
return sp.run(['xxd', '-g1', '-'], input=block).returncode
if __name__ == "__main__":
import argparse
import sys
parser = argparse.ArgumentParser(
description="Hex dump a specific block in a disk.")
parser.add_argument('disk',
help="File representing the block device.")
parser.add_argument('block_size', type=lambda x: int(x, 0),
help="Size of a block in bytes.")
parser.add_argument('block', type=lambda x: int(x, 0),
help="Address of block to dump.")
sys.exit(main(parser.parse_args()))