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def check_multiple_machine():

from ctypes import c_char, py_object, PYFUNCTYPE

def _get_license_data():

try:

from pytransform import _pytransform

except Exception:

# For super mode

from pytransform import get_user_data

return get_user_data().decode()

prototype = PYFUNCTYPE(py_object)

dlfunc = prototype(('get_registration_code', _pytransform))

rcode = dlfunc().decode()

index = rcode.find(';', rcode.find('*CODE:'))

return rcode[index+1:]

def _get_hd_info():

HT_HARDDISK = 0

try:

from pytransform import _pytransform

except Exception:

# For super mode

from pytransform import get_hd_info

return get_hd_info(0)

size = 256

t_buf = c_char * size

buf = t_buf()

if (_pytransform.get_hd_info(HT_HARDDISK, buf, size) == -1):

raise RuntimeError('Get hardware information failed')

return buf.value.decode()

if _get_hd_info() not in _get_license_data().split(';'):

raise RuntimeError('This license is not for this machine')