diginorm decorator

gistfile1.py

def run_diginorm_renamer(args):
    from Bio.SeqIO.QualityIO import FastqGeneralIterator
    infile, outfile = args
    with open(outfile, "w") as o:
        for i, (name, seq, qual) in enumerate(FastqGeneralIterator(open(infile))):
            add = 1
            if i % 2 != 0:
                add = 2
            o.write("@%s_%d\n%s\n+\n%s\n" % (name, add, seq, qual))
            if i % 100000 == 0:
                print "at %d" % i