[Tutor] Problem with logic while extracting data from binary file

Bryan Fodness bryan.fodness at gmail.com
Thu Mar 27 22:45:03 CET 2008

the start_2 is supposed to be start

On Thu, Mar 27, 2008 at 5:42 PM, Bryan Fodness <bryan.fodness at gmail.com>

> Thanks again,
> I can't seem to keep track of my start values when I break up the value
> variable into svalues.  Do you think I should do this, or should I have a
> running count from the beginning of the file and keep track until the end?
> I am trying to find \n0\x82\x00 and \n0\x84\x00 within the block.  I've
> added the if statement, and it seems to enter the parseSequence function the
> way I would expect, but it does not seem to populate the dictionary.
> Sorry for so many questions about this, but I feel like I am so close.
>     while next < len(data):
>         for element, next, value, length in parseDataElement(data, next):
> ##            if element in ('\n0\x10\x00', '\n0@\x00', '\n0p\x00',
> ##                           '\n0\xb0\x00', '\n0\x80\x01'):
>             if element == '\n0p\x00':
>                 start = 0
>                  while  start < length:
>                     element, start, svalue = parseSequence(value, start)
>                     if svalue.startswith('\xfe\xff\x00\xe0'):
>                         start_2 = 0
>                         element, start_2, svalue = parseSequence(svalue,
> start)
>                         search[element].append(svalue)
>                       search[element].append(svalue)
>             else:
>                 search[element].append(value)
>     return search

"The game of science can accurately be described as a never-ending insult to
human intelligence." - João Magueijo
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