backend.py

from PIL import Image, ExifTags

def check_image_rotation(image_path):
    try:
        image = Image.open(image_path)
        for orientation in ExifTags.TAGS.keys():
            if ExifTags.TAGS[orientation] == 'Orientation':
                break
        exif = image._getexif()
        if exif is not None:
            if orientation in exif:
                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)
        return image
    except (AttributeError, KeyError, IndexError):
        # If the orientation tag is not found or any other error occurs, return the original image
        return Image.open(image_path)