Bitcoin binary outputs parser

import urllib2
import json
#text = urllib2.urlopen('http://blockchain.info/rawaddr/1DkyBEKt5S2GDtv7aQw6rQepAvnsRyHoYM').read()
text = file('rawaddr.json').read()
r = json.loads(text)
for tx in r['txs']:
    for o in tx['out']:
        v = str(o['value'])
        try:
            c = int(v, base=2)
            print v, c, chr(c)
        except:
            pass