/usr/lib/python3/dist-packages/smartcard/guid.py is in python3-pyscard 1.9.6-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | """smartcard.guid
Utility functions to handle GUIDs as strings or list of bytes
__author__ = "http://www.gemalto.com"
Copyright 2001-2012 gemalto
Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com
This file is part of pyscard.
pyscard is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
pyscard is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with pyscard; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
from __future__ import print_function
import uuid
# guid is ulong+ushort+ushort+uchar[8]
def strToGUID(s):
"""Converts a GUID string into a list of bytes.
>>> strToGUID('{AD4F1667-EA75-4124-84D4-641B3B197C65}')
[103, 22, 79, 173, 117, 234, 36, 65, 132, 212, 100, 27, 59, 25, 124, 101]
"""
dat = uuid.UUID(hex=s)
if isinstance(dat.bytes_le, str):
# Python 2
dat = [ord(e) for e in dat.bytes_le]
else:
# Python 3
dat = list(dat.bytes_le)
return dat
def GUIDToStr(g):
"""Converts a GUID sequence of bytes into a string.
>>> GUIDToStr([103,22,79,173, 117,234, 36,65,
... 132, 212, 100, 27, 59, 25, 124, 101])
'{AD4F1667-EA75-4124-84D4-641B3B197C65}'
"""
try:
dat = uuid.UUID(bytes_le=bytes(g))
except:
dat = uuid.UUID(bytes_le=''.join(map(chr, g)))
return '{' + str(dat).upper() + '}'
if __name__ == "__main__":
"""Small sample illustrating the use of guid.py."""
guid_in = '{AD4F1667-EA75-4124-84D4-641B3B197C65}'
print(guid_in)
dummycardguid1 = strToGUID(guid_in)
print(dummycardguid1)
guid_out = GUIDToStr(dummycardguid1)
print(guid_out)
if guid_in != guid_out:
print("Failure")
else:
print("Success")
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