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parse_tlv now takes offset arguments 

git-svn-id: svn+ssh://localhost/home/henryk/svn/cyberflex-shell/trunk@104 f711b948-2313-0410-aaa9-d29f33439f0b
This commit is contained in:
hploetz 2006-07-21 18:22:40 +00:00
parent cad6f9cbd1
commit 74f51895ad
1 changed files with 12 additions and 3 deletions
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15
cards/generic_card.py
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@ -61,9 +61,18 @@ class Card:
"""Reset the card."""
self.card.reconnect(init=pycsc.SCARD_RESET_CARD)
def cmd_parsetlv(self):
"Decode the TLV data in the last response"
print TLV_utils.decode(self.last_result.data, tags=self.TLV_OBJECTS)
def cmd_parsetlv(self, start = None, end = None):
"Decode the TLV data in the last response, start and end are optional"
lastlen = len(self.last_result.data)
if start is not None:
start = (lastlen + (int(start,0) % lastlen) ) % lastlen
else:
start = 0
if end is not None:
end = (lastlen + (int(end,0) % lastlen) ) % lastlen
else:
end = lastlen
print TLV_utils.decode(self.last_result.data[start:end], tags=self.TLV_OBJECTS)
COMMANDS = {
"reset": cmd_reset,