origin2

from math import ceil


def reader(f):
    while True:
        line = f.readline()
        if line == "":
            break
        elif line[0] != ">":
            yield line[:-1].upper()


def origin_line(chars, pos):
    length = len(chars)
    parts = int(ceil(float(length)/10))     
    lijst = [chars[x:x + 10] for x in range(0, length, 10)]
    out = ((("         %s" % str((pos*60)+1))[-10:]) +
           ((" %s" * parts) % tuple(lijst)) + "\n")
    return out


def writer(f, save):
    lines = reader(f)
    print "generator made"
    chars = ""
    print "reading lines"
    num = 0
    pos = 0
    for x in lines:
        num += 1
        if num % 1000 == 0:
            print "writing", num
        chars += x
        while len(chars) >= 60:
            save.write(origin_line(chars[:60], pos))
            chars = chars[60:]
            pos += 1
    if chars != "":
        save.write(origin_line(chars, pos))
    print "done"

    
if __name__ == "__main__":
    f = open("carp_pbjelly.fa", "r")
    save = open("save.temp", "w")
    writer(f, save)
    f.close()
    save.close()