I used 2to3 to port the files to Python3.
That would generate a big PR. You may want to use 2to3 on your side instead to not have to review a big patch.

I was able to make the code work fine on both Python 2 and Python 3. But maybe you want to drop Python 2 support to ease the maintenance.

If you need more help just tell me.

I use this module in some applicatons i have done, and I was trying to use it with sysmocom ISIM, and when i try to select USIM application to read the IMSI or to do an authenticate operation, it fails:

root@ubuntu:/home/fabricio/Documents#python3
Python 3.8.10 (default, Jun 2 2021, 10:49:15)
[GCC 9.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.

from card.USIM import *
a = USIM(0)
Traceback (most recent call last):
File "", line 1, in
File "/usr/local/lib/python3.8/dist-packages/card-0.3-py3.8.egg/card/USIM.py", line 195, in init
File "/usr/local/lib/python3.8/dist-packages/card-0.3-py3.8.egg/card/USIM.py", line 205, in SELECT_ADF_USIM
File "/usr/local/lib/python3.8/dist-packages/card-0.3-py3.8.egg/card/ICC.py", line 1244, in select
File "/usr/local/lib/python3.8/dist-packages/card-0.3-py3.8.egg/card/ICC.py", line 1594, in parse_file
File "/usr/local/lib/python3.8/dist-packages/card-0.3-py3.8.egg/card/ICC.py", line 728, in parse_file
File "/usr/local/lib/python3.8/dist-packages/card-0.3-py3.8.egg/card/ICC.py", line 788, in parse_FCP
File "/usr/local/lib/python3.8/dist-packages/card-0.3-py3.8.egg/card/ICC.py", line 940, in parse_compact_security_attribute
NameError: name 'self' is not defined

Using this slightly modified version https://github.com/sysmocom/sysmo-usim-tool/tree/master/card it works:

root@ubuntu:/home/fabricio/Documents# cd sysmo-usim-tool/
root@ubuntu:/home/fabricio/Documents/sysmo-usim-tool# python3
Python 3.8.10 (default, Jun 2 2021, 10:49:15)
[GCC 9.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.

from card.USIM import *
a = USIM(0)
a.get_imsi()
'901700000050900'

Hi,

I found a little bug in the "USIM" example in readme.

It's in the "In [4]: ", I think the correct version is:

u.interpret_AID(u.AID_USIM)

Best wishes!

I suggest to rename README.txt in README.md to get a nicer rendering of the file.
You will have to modify the file a bit to follow the markdown syntax but it is easy.

See https://guides.github.com/features/mastering-markdown/

The URL in setup.py:

url="http://michau.benoit.free.fr/codes/smartcard/",

now reports Erreur 403 - Refus de traitement de la requête (Interdit - Forbidden)

are u able to sim swap with this or port numbers? USA

I have tried to read following information from SIM card:

To be more precise reading 4F01 but it always returns me empty values? Any advise how to read this field and if its supported by card tool at all?

Hello,

Can you please help me how could I verify/change PIN on a VISA?

Thanks

Outgoing APDU (13 bytes):
00 20 00 01 08 31 31 31 31 31 31 31 31 . ...11111111

Incoming APDU (2 bytes):
6D 00 m.

iso7816.c:121:iso7816_check_sw: Instruction code not supported or invalid

Unable to verify PIN code: Unsupported INS byte in APDU

The condition:

Length coded with more than 1 byte

if bytelist[i+1] > 0x50:

is wrong. The extended length is indicated in bit 0x80 and the rest then is either the amount of octets needed to describe the length or uses the indefinite length. The issue can be seen by using USIM with the sysmoUSIM-SJS1 card.