from PIL import Image
class CTImage(object):
  def rotate(self, degree):
    self._img = self._img.rotate(degree, expand=True)
    (self.width,self.height) = self._img.size
    return self
  def orientation(self):
    exif = self._img._getexif()
    if exif is None:
      return 0
    orientation = 0x0112
    return exif[orientation]
  def orientation_fix(self):
    '''
    Fixes device orientation
    '''
    device_pos = self.orientation

    if device_pos == 3 :
      self.rotate(180)
    return True

    if device_pos == 6 :
      self.rotate(270)
    return True

    if device_pos == 8 :
      self.rotate(90)
      return True

    return False

if ctimage.orientation_fix():
  instance = image.instance
  instance.original_width = ctimage.width
  instance.original_height = ctimage.height
  instance.original_orientation = ctimage.orientation
  instance.save()