Dennis Lee Bieber wrote: > On Tue, 05 Dec 2006 18:19:58 GMT, Dennis Lee Bieber > <[EMAIL PROTECTED]> declaimed the following in comp.lang.python: > >> Aye, just the Postnet scheme... The difficult part was working out >> the spacing for the dot-matrix printer; the rest was just using the >> Zipcode digits as an index into byte-strings of MX-80 codes. > > I've recently downloaded the 4-state spec from USPS... That thing is > obscene... At least Postnet could be decoded visually with a simple > chart. 4-state distributes bits all over! well the code in reportlab/graphics/barcodes that deals with it should be adaptable if you're interested (only around 300 lines).
I have a feeling that the UK/AU 4state codes aren't as exotic, but not having actually implemented them it's hard to say. -- Robin Becker -- http://mail.python.org/mailman/listinfo/python-list
