Fixes timestamp of image files in a folder (using filename data)

gistfile1.py

import time
import datetime
from stat import *

#returns a list of all the files on the current directory
files = os.listdir('.')

for f in files:
  #my folder has some jpegs and raw images
  if f.lower().endswith('jpg'):
    st = os.stat(f)
    atime = st[ST_ATIME] #access time
    mtime = st[ST_MTIME] #modification time

    #new_mtime = mtime + (4*3600) #new modification time
    print '----'
    print f
    print mtime

    if f.find('IMG') != -1:
      year = f[4:8]
      month = f[8:10]
      day = f[10:12]
      hour = f[13:15]
      minute = f[15:17]
      second = f[17:19]
    else:
      year = f[0:4]
      month = f[5:7]
      day = f[8:10]
      hour = f[11:13]
      minute = f[14:16]
      second = f[17:19]
      
    #print year + ' ' + month + ' ' + day + ' ' + hour + ' ' + minute + ' ' + second
    #print datetime.datetime(int(year), int(month), int(day), int(hour), int(minute), int(second))
    
    mtime = int(time.mktime(datetime.datetime(int(year), int(month), int(day), int(hour), int(minute), int(second)).timetuple()))
    print mtime

    #modify the file timestamp
    os.utime(f,(atime,mtime))