cleanup HaoZip file extension registration

cleanup_haozip.py

# Note: admin privileges is necessary

import winreg

i = 0
while True:
  key = winreg.EnumKey(winreg.HKEY_CLASSES_ROOT, i)
  value = winreg.QueryValue(winreg.HKEY_CLASSES_ROOT, key)
  if value.startswith('HaoZip.'):
    print(f'Deleting {key} ({value})...', end='', flush=True)
    try:
      winreg.DeleteKey(winreg.HKEY_CLASSES_ROOT, key)
      print('done')
    except PermissionError:
      key = winreg.OpenKey(winreg.HKEY_CLASSES_ROOT, key, access=winreg.KEY_WRITE)
      winreg.DeleteValue(key, None)
      print('done with value')
      i += 1
  else:
    i += 1