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Source Code for Module smartcard.AbstractCardRequest

 1  """AbstractCardRequest class. 
 2   
 3  __author__ = "http://www.gemalto.com" 
 4   
 5  Copyright 2001-2011 gemalto 
 6  Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com 
 7   
 8  This file is part of pyscard. 
 9   
10  pyscard is free software; you can redistribute it and/or modify 
11  it under the terms of the GNU Lesser General Public License as published by 
12  the Free Software Foundation; either version 2.1 of the License, or 
13  (at your option) any later version. 
14   
15  pyscard is distributed in the hope that it will be useful, 
16  but WITHOUT ANY WARRANTY; without even the implied warranty of 
17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
18  GNU Lesser General Public License for more details. 
19   
20  You should have received a copy of the GNU Lesser General Public License 
21  along with pyscard; if not, write to the Free Software 
22  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA 
23  """ 
24   
25  from smartcard.CardType import AnyCardType 
26  from smartcard.PassThruCardService import PassThruCardService 
27  import smartcard.System 
28   
29   
30 -class AbstractCardRequest: 
31      """The base class for xxxCardRequest classes. 
32   
33      A CardRequest is used for waitForCard() invocations and specifies what 
34      kind of smart card an application is waited for. 
35   
36      Known subclasses: smartcard.pcsc.PCSCCardRequest""" 
37   
38 -    def __init__(self, newcardonly=False, readers=None, cardType=None, cardServiceClass=None, timeout=1): 
39          """Construct new CardRequest. 
40   
41          newcardonly:        if True, request a new card; default is 
42                              False, i.e. accepts cards already inserted 
43   
44          readers:            the list of readers to consider for 
45                              requesting a card; default is to consider 
46                              all readers 
47   
48          cardType:           the smartcard.CardType.CardType to wait for; 
49                              default is smartcard.CardType.AnyCardType, 
50                              i.e. the request will succeed with any card 
51   
52          cardServiceClass:   the specific card service class to create 
53                              and bind to the card;default is to create 
54                              and bind a smartcard.PassThruCardService 
55   
56          timeout:            the time in seconds we are ready to wait for 
57                              connecting to the requested card.  default 
58                              is to wait one second; to wait forever, set 
59                              timeout to None 
60          """ 
61          self.newcardonly = newcardonly 
62          self.readersAsked = readers 
63          self.cardType = cardType 
64          self.cardServiceClass = cardServiceClass 
65          self.timeout = timeout 
66   
67          # if no CardType requeted, use AnyCardType 
68          if None == self.cardType: 
69              self.cardType = AnyCardType() 
70   
71          # if no card service requested, use pass-thru card service 
72          if None == self.cardServiceClass: 
73              self.cardServiceClass = PassThruCardService 
74   
75 -    def getReaders(self): 
76          """Returns the list or readers on which to wait for cards.""" 
77          # if readers not given, use all readers 
78          if None == self.readersAsked: 
79              return smartcard.System.readers() 
80          else: 
81              return self.readersAsked 
82   
83 -    def waitforcard(self): 
84          """Wait for card insertion and returns a card service.""" 
85          pass 
86   
87 -    def waitforcardevent(self): 
88          """Wait for card insertion or removal.""" 
89          pass 
90   

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