parser.py

class Parser:

    def grouped(self, iterable, n):
        "s -> (s0,s1,s2,...sn-1), (sn,sn+1,sn+2,...s2n-1), (s2n,s2n+1,s2n+2,...s3n-1), ..."
        return izip(*[iter(iterable)]*n)

    def parse(self, filename):
        print ">> Parsing " + filename
        with open(filename, 'r') as f:
            bytes = [byte for byte in f.read().split(' ') if len(byte) == 2]
            words = self.pairwise(bytes)
        return words

class Grapher:
    def graph(self, val):
        print val;

if __name__ == '__main__':
    import argparse
    ap = argparse.ArgumentParser('Hex Memory Parser')
    ap.add_argument('-f', '--filename', type=str,
        default="data.txt", help="Path to input file.")
    args = ap.parse_args()

    # try:
    p = Parser();
    g = Grapher();
    g.graph(p.parse(args.filename));
    # except:
    #     print "Caught unexpcted error"