ISMAIL MASSERAN
77 lines
2.0 KiB
Python
77 lines
2.0 KiB
Python
"""
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A wxValidator that matches APDU in hexadecimal such as::
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A4 A0 00 00 02
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A4A0000002
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__author__ = "https://www.gemalto.com/"
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Copyright 2001-2012 gemalto
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Author: Jean-Daniel Aussel, mailto:jean-daniel.aussel@gemalto.com
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This file is part of pyscard.
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pyscard is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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pyscard is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with pyscard; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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"""
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import re
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import string
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import wx
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# a regexp to match ATRs and APDUs
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hexbyte = "[0-9a-fA-F]{1,2}"
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apduregexp = re.compile("((%s)[ ]*)*" % hexbyte)
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class APDUHexValidator(wx.PyValidator):
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"""A wxValidator that matches APDU in hexadecimal such as:
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A4 A0 00 00 02
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A4A0000002"""
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def __init__(self):
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wx.Validator.__init__(self)
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self.Bind(wx.EVT_CHAR, self.OnChar)
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def Clone(self):
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return APDUHexValidator()
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def Validate(self, win):
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tc = self.GetWindow()
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value = tc.GetValue()
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if not apduregexp.match(value):
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return False
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return True
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def OnChar(self, event):
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key = event.GetKeyCode()
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if wx.WXK_SPACE == key or chr(key) in string.hexdigits:
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value = event.GetEventObject().GetValue() + chr(key)
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if apduregexp.match(value):
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event.Skip()
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return
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if key < wx.WXK_SPACE or key == wx.WXK_DELETE or key > 255:
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event.Skip()
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return
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if not wx.Validator.IsSilent():
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wx.Bell()
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return
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