Accidentally wipefs'd a bit too much? Fear not! As long as you kept its output.

unwipefs.py

#!/usr/bin/env python3

import os
import sys
import re
import codecs
import subprocess

parse = re.compile(r'^(?P<device>.+): (?P<count>[0-9]+) bytes were erased at offset (?P<offset>0x[0-9a-f]+) \((?P<type>.+)\):(?P<bytes>( [0-9a-f][0-9a-f])+)$')

def undo_command(parsed):
    device = parsed['device']
    count = int(parsed['count'])
    offset = int(parsed['offset'].removeprefix('0x'), 16)
    data = codecs.decode(parsed['bytes'].replace(' ', ''), 'hex')
    assert len(data) == count
    return (['dd', 'bs=1', f'of={device}', f'seek={offset}', f'count={count}'], data)

for line in sys.stdin.readlines():
    match = parse.match(line)
    if match:
        raw = match.groupdict()
        cmd, data = undo_command(raw)
        if not os.path.exists(raw['device']):
            print(f'{raw["device"]} does not exist')
            continue
        print(cmd)
        # Check the output before running with this line uncommented!
        # subprocess.run(cmd, input=data)
    elif 'ioctl' not in line:
        print(f"Could not parse line '{line}'")