Python3: use Python3 versions

The code is also working on Python2.

Thanks to Norman DENAYER for the patch

smartcard/util/__init__.py

@@ -66,7 +66,7 @@ def toASCIIBytes(stringtoconvert):
  [78, 117, 109, 98, 101, 114, 32, 49, 48, 49]
  """
 
- return map(ord, list(stringtoconvert))
+ return list(map(ord, list(stringtoconvert)))
 
 
 def toASCIIString(bytelist):
@@ -97,14 +97,10 @@ def toBytes(bytestring):
  >>> toBytes("3B6500 009C1101 0103")
  [59, 101, 0, 0, 156, 17, 1, 1, 3]
  """
- import struct
- import re
- packedstring = ''.join(re.split('\W+', bytestring))
+ packedstring = bytestring.replace(' ', '')
  try:
- return reduce(lambda x, y: x + [int(y, 16)],
- struct.unpack('2s' * (len(packedstring) / 2),
- packedstring), [])
- except (struct.error, ValueError):
+ return list(map(lambda x: int(''.join(x), 16), zip(*[iter(packedstring)] * 2)))
+ except KeyError:
  raise TypeError('not a string representing a list of bytes')
 
 
@@ -231,10 +227,7 @@ def HexListToBinString(hexlist):
  >>> HexListToBinString([78, 117, 109, 98, 101, 114, 32, 49, 48, 49])
  'Number 101'
  """
- binstring = ""
- for byte in hexlist:
- binstring = binstring + chr(eval('0x%x' % byte))
- return binstring
+ return ''.join(map(chr, hexlist))
 
 
 # FIXME This appears to duplicate to ASCIIBytes()
@@ -243,10 +236,7 @@ def BinStringToHexList(binstring):
  >>> BinStringToHexList("Number 101")
  [78, 117, 109, 98, 101, 114, 32, 49, 48, 49]
  """
- hexlist = []
- for byte in binstring:
- hexlist = hexlist + [ord(byte)]
- return hexlist
+ return list(map(ord, binstring))
 
 
 def hl2bs(hexlist):