from epcpy.epc_schemes import SGTIN from epcpy.epc_schemes.sgtin import SGTINFilterValue serial = 400000 qty = 400000 for i in range(qty): sgtin1 = SGTIN.from_gtin_plus_serial('078915042576', serial+i, 7) print(serial+i, sgtin1.hex(binary_coding_scheme=SGTIN.BinaryCodingScheme.SGTIN_96, filter_value=SGTINFilterValue.POS_ITEM))