PIL EXIF Fix for all 9 orientations

imagetools.py

EXIF_ORIENTATION = 0x0112

def _orientation(image):
    ret = {}
    try:
        info = image._getexif()

        if info:
            for tag, value in info.items():
                decoded = TAGS.get(tag, tag)
                print (decoded,value)

                ret[decoded] = value
        # if not RGB, convert
        if image.mode not in ("L", "RGB"):
            image = image.convert("RGB")
    except:
        pass#case png

    if ret:
        orientation = ret['Orientation']
        if orientation == 2:
            image = image.transpose(Image.FLIP_LEFT_RIGHT)
        elif orientation == 3:
            image = image.rotate(180)
        elif orientation == 4:
            image = image.transpose(Image.FLIP_TOP_BOTTOM)
        elif orientation == 5:
            image = image.rotate(-90, expand=1).transpose(Image.FLIP_LEFT_RIGHT)
        elif orientation == 6:
            image = image.rotate(-90, expand=1)
        elif orientation == 7:
            image = image.rotate(90, expand=1).transpose(Image.FLIP_LEFT_RIGHT)
        elif orientation == 8:
            image = image.rotate(90, expand=1)
 
    return image