pytlv

TLV(tag length lavue) data parser, especially useful for EMV tags parsing


Keywords
EMV, TLV, ICC, parse
License
LGPL-2.0
Install
pip install pytlv==0.71

Documentation

TLV parser

To import the pytlv module in your code:

from pytlv.TLV import *

To parse data from a TLV string:

tlv = TLV(['84', 'A5']) # provide the possible tag values
tlv.parse('840E315041592E5359532E4444463031A5088801025F2D02656E')
>>> {'84': '315041592E5359532E4444463031', 'A5': '8801025F2D02656E'}

To build a TLV string:

tlv = TLV(['9F02', '9F04'])
tlv.build({'9f02': '000000001337'})
>>> '9F0206000000001337'