forked from LudovicRousseau/pyscard
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Card.py
77 lines (62 loc) · 2.56 KB
/
Card.py
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
74
75
76
77
"""Card class.
__author__ = "gemalto http:https://www.gemalto.com"
Copyright 2001-2012 gemalto
Author: Jean-Daniel Aussel, mailto:[email protected]
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 smartcard.reader.Reader import Reader
from smartcard.System import readers
from smartcard.util import toHexString
class Card(object):
"""Card class."""
def __init__(self, reader, atr):
"""Card constructor.
reader: reader in which the card is inserted
atr: ATR of the card"""
self.reader = reader
self.atr = atr
def __repr__(self):
"""Return a string representing the Card (atr and reader
concatenation)."""
return toHexString(self.atr) + ' / ' + str(self.reader)
def __eq__(self, other):
"""Return True if self==other (same reader and same atr).
Return False otherwise."""
if isinstance(other, Card):
return (self.atr == other.atr and
repr(self.reader) == repr(other.reader))
else:
return False
def __ne__(self, other):
"""Return True if self!=other (same reader and same atr).Returns
False otherwise."""
return not self.__eq__(other)
def __hash__(self):
"""Returns a hash value for this object (str(self) is unique)."""
return hash(str(self))
def createConnection(self):
"""Return a CardConnection to the Card object."""
readerobj = None
if isinstance(self.reader, Reader):
readerobj = self.reader
elif type(self.reader) == str:
for reader in readers():
if self.reader == str(reader):
readerobj = reader
if readerobj:
return readerobj.createConnection()
else:
#raise CardConnectionException(
# 'not a valid reader: ' + str(self.reader))
return None