dnatranslator

__author__ = 'KidCulli'
from dnaresource import translate
def main():
    while True:
        try:
            file=input("Please enter name of dna file:")
            f=open(file,"r")
        except FileNotFoundError:
            print ("Failed to open file %s"%(file))
            continue
        break
    x=0
    for x in range(3):
        f.seek(x,0)
        i=1
        print ("ORF %d:"%(x+1))
        while True:
            codon=f.read(3)
            if codon=="":
                break
            print (translate(codon),end='')
            print ('-',end='')
            if i%25==0:
                print ('\n')
            i+=1
    f.seek(0,0)
    string=f.read()
    reverse=string[::-1]
    i=1
    for x in range (3):
        print ("\nORF reversed %d:"%(x+1))
        k=0+x
        for w in range(int(len(reverse)/3)):
            codon=reverse[k:k+3]
            print (translate(codon),end='')
            print ('-',end='')
            if i%25==0:
                print ('\n')
            k+=3
            i+=1
    return 0

main()