Determine image orientation from width and height

gistfile1.py

    def orientation(self, width, height):
        """
        Determine an image orientation based on width and height
        :param w: width
        :param h: height
        :return: boolean (landscape, portrait, square)
        """
        square    = False
        landscape = False
        portrait  = False
        if width  < height:
            portrait = True
        elif width > height:
            landscape = True
        elif width == height:
            square = True
            
        return {'landscape' : landscape, 'portrait' : portrait ,'square' : square }