foo.py

    import Image, ExifTags

    try:
        image=Image.open(os.path.join(path, fileName))
        for orientation in ExifTags.TAGS.keys():
            if ExifTags.TAGS[orientation]=='Orientation': break
        exif=dict(image._getexif().items())

        if   exif[orientation] == 3:
            image=image.rotate(180, expand=True)
        elif exif[orientation] == 6:
            image=image.rotate(270, expand=True)
        elif exif[orientation] == 8:
            image=image.rotate(90, expand=True)

        image.thumbnail((THUMB_WIDTH , THUMB_HIGHT), Image.ANTIALIAS)
        image.save(os.path.join(path,fileName))

    except:
        traceback.print_exc()