Issue 5 in iso8583py: Binary data on field 52
iso8...@googlecode.com
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 5 by caente: Binary data on field 52
http://code.google.com/p/iso8583py/issues/detail?id=5
Hello, this is not an actual issue, I'm sorry, but didn't find another
place to ask:
I'm planning to use iso8583py in a django project as a middleware between
the mobile clients(who send http requests) and a JPOS who make the actual
connections with the Switch.
For that I need to send to the JPOS server a message with a binary field
52, where the 6 digits NIP goes, for that I do something like:
msg.setBit(52,123456)
msg.redefineBit(52, '52', msg.getLargeBitName(52), 'B', 6,"n" )
So far so good, in the JPOS server I got:
<field id="52" value="0000000000123456" type="binary"/>
The problem is: that value is not the binary representation of the NIP, in
java I would do:
msg.set(52, "123456".getBytes());
I have searched the web but I haven't found anything like that for python,
what do you use?
Ah, BTW, I wrote something like the ISOMUX of JPOS, I made it based on
Queue.Queue() and it have a really nice performance, when I test it a bit
more I will send it to you, in case it helps.
good luck
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iso8...@googlecode.com
Comment #1 on issue 5 by caente: Binary data on field 52
http://code.google.com/p/iso8583py/issues/detail?id=5
I found the solution:
import binascii
bin_nip = binascii.b2a_hex(nip)
iso8...@googlecode.com
Comment #2 on issue 5 by caente: Binary data on field 52
http://code.google.com/p/iso8583py/issues/detail?id=5
So I recommend like this in redefineBit():
if bitType == "B":
self.setBit(bit,binascii.b2a_hex(self.getBit(bit)))
I guess that "B" means binary
iso8...@googlecode.com
Comment #3 on issue 5 by caente: Binary data on field 52
http://code.google.com/p/iso8583py/issues/detail?id=5
And of course, here:
def __setBitTypeB(self, bit, value):
value = "%s" % binascii.b2a_hex(value)
iso8...@googlecode.com
Status: Invalid
Labels: -Type-Defect -Priority-Medium Type-Other Priority-Low
Maintainability
Comment #4 on issue 5 by igorvc: Binary data on field 52
http://code.google.com/p/iso8583py/issues/detail?id=5
Hi,
This happened because ISO8583py work with ASCII data, not Binary.
We'll improve the library and deal with Binary Data, like you can see in
TODO file.
Thanks,
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