Image sorting - Printable Version

Code:
#moves images of working directory into folders with their creation month + year

from shutil import move
from os import listdir, makedirs, getcwd
from os.path import isfile, join, exists, isdir
import exifread
import sys

months = {'01' : 'Januar', '02' : 'Februar', '03' : 'Maerz', '04' : 'April', 
'05' : 'Mai', '06' : 'Juni', '07' : 'Juli', '08' : 'August', '09' : 'September', 
'10' : 'Oktober', '11' : 'November', '12' : 'Dezember'}

path_name = getcwd()
files = [ f for f in listdir(path_name) if isfile(join(path_name,f))]

for image in files:

    with open(image, "rb") as f:
        tags = exifread.process_file(f, stop_tag='EXIF DateTimeOriginal')

        datestr = "0"
        if "EXIF DateTimeOriginal" in tags:
            datestr = str(tags["EXIF DateTimeOriginal"])
        elif "Image DateTime" in tags:
            datestr = str(tags["Image DateTime"])
    
        if not datestr == "0":
            month = months[datestr.split(":")[1]]
            year = datestr.split(":")[0]
            folder = month + " " + year
            if not exists(folder):
                makedirs(folder)
       
            if isdir(folder):
                move(image, folder)
                print "moved", image, "to", folder, "with date", datestr
            else: 
                print >> sys.stderr, folder, "is no directory"
        else:
            print "no date found for", image