debiancode: Debianのコードネームをバージョン番号から求める

debiancode.py

#!/usr/bin/env python

# Usage: debiancode version_number

import sys
import math

if len(sys.argv) != 2:
    print 'Usage: debiancode version_number' 
    quit()

version = sys.argv[1]
ver_num = float(version)

codenames = {
        "1.1":"buzz",  
        "1.2":"rex",	
        "1.3":"bo",
        "2.0":"hamm",	
        "2.1":"slink",
        "2.2":"potato",	
        "3.0":"woody",	
        "3.1":"sarge",
        "4.0":"etch",
        "5.0":"lenny",
        "6.0":"squeeze",
        "7.0":"wheezy",
        "8.0":"jessie"
        }

if ver_num >= 4.0:
    ver_num = math.floor(ver_num)

if str(ver_num) in codenames.keys():
    print codenames[str(ver_num)]
else:
    print "Not found"