def validate(number, strip_check_digit=True):
"""Checks to see if the number provided is a valid MEID number. This
converts the representation format of the number (if it is
decimal it is not converted to hexadecimal)."""
from stdnum import luhn
# first parse the number
number, cd = _parse(number)
if len(number) == 18:
# decimal format can be easily determined
if cd:
luhn.validate(number + cd)
# convert to hex
manufacturer_code = int(number[0:10])
serial_num = int(number[10:18])
if manufacturer_code.bit_length() > 32 or serial_num.bit_length() > 24:
raise InvalidComponent()
number = "%08X%06X" % (manufacturer_code, serial_num)
cd = calc_check_digit(number)
elif number.isdigit():
# if the remaining hex format is fully decimal it is an IMEI number
from stdnum import imei
imei.validate(number + cd)
else:
# normal hex Luhn validation
if cd:
luhn.validate(number + cd, alphabet=_hex_alphabet)
if strip_check_digit:
cd = ""
return number + cd
def validate(number, strip_check_digit=True):
"""Checks to see if the number provided is a valid MEID number. This
converts the representation format of the number (if it is
decimal it is not converted to hexadecimal)."""
from stdnum import luhn
# first parse the number
number, cd = _parse(number)
if len(number) == 18:
# decimal format can be easily determined
if cd:
luhn.validate(number + cd)
# convert to hex
number = '%08X%06X' % (int(number[0:10]), int(number[10:18]))
cd = calc_check_digit(number)
elif number.isdigit():
# if the remaining hex format is fully decimal it is an IMEI number
from stdnum import imei
imei.validate(number + cd)
else:
# normal hex Luhn validation
if cd:
luhn.validate(number + cd, alphabet=_hex_alphabet)
if strip_check_digit:
cd = ''
return number + cd
def validate(number, strip_check_digit=True):
"""Check if the number is a valid MEID number. This converts the
representation format of the number (if it is decimal it is not converted
to hexadecimal)."""
# first parse the number
number, cd = _parse(number)
from stdnum import luhn
if len(number) == 18:
# decimal format can be easily determined
if cd:
luhn.validate(number + cd)
# convert to hex
manufacturer_code = int(number[0:10])
serial_num = int(number[10:18])
if _bit_length(manufacturer_code) > 32 or _bit_length(serial_num) > 24:
raise InvalidComponent()
number = '%08X%06X' % (manufacturer_code, serial_num)
cd = calc_check_digit(number)
elif isdigits(number):
# if the remaining hex format is fully decimal it is an IMEI number
from stdnum import imei
imei.validate(number + cd)
else:
# normal hex Luhn validation
if cd:
luhn.validate(number + cd, alphabet=_hex_alphabet)
if strip_check_digit:
cd = ''
return number + cd
def validate(number, strip_check_digit=True):
"""Checks to see if the number provided is a valid MEID number. This
converts the representation format of the number (if it is
decimal it is not converted to hexadecimal)."""
from stdnum import luhn
# first parse the number
number, cd = _parse(number)
if len(number) == 18:
# decimal format can be easily determined
if cd:
luhn.validate(number + cd)
# convert to hex
number = '%08X%06X' % (int(number[0:10]), int(number[10:18]))
cd = calc_check_digit(number)
elif number.isdigit():
# if the remaining hex format is fully decimal it is an IMEI number
from stdnum import imei
imei.validate(number + cd)
else:
# normal hex Luhn validation
if cd:
luhn.validate(number + cd, alphabet=_hex_alphabet)
if strip_check_digit:
cd = ''
return number + cd
def convert_check_imei(self, data):
if data.get('imei', None):
data['imei'] = int(imei.validate(data['imei']))
return data
def is_valid_imei(imei_num: str) -> bool:
try:
imei.validate(imei_num)
except Exception as e:
return False
return True