_pil_constants.py

import PIL
from PIL import Image

# See https://pillow.readthedocs.io/en/stable/releasenotes/9.1.0.html#deprecations
# TODO: Remove this file once PIL minimal version is >= 9.1

if tuple(int(part) for part in PIL.__version__.split(".")) >= (9, 1):
    BICUBIC = Image.Resampling.BICUBIC
    BILINEAR = Image.Resampling.BILINEAR
    LINEAR = Image.Resampling.BILINEAR
    NEAREST = Image.Resampling.NEAREST

    AFFINE = Image.Transform.AFFINE
    FLIP_LEFT_RIGHT = Image.Transpose.FLIP_LEFT_RIGHT
    FLIP_TOP_BOTTOM = Image.Transpose.FLIP_TOP_BOTTOM
    PERSPECTIVE = Image.Transform.PERSPECTIVE
else:
    BICUBIC = Image.BICUBIC
    BILINEAR = Image.BILINEAR
    NEAREST = Image.NEAREST
    LINEAR = Image.LINEAR

    AFFINE = Image.AFFINE
    FLIP_LEFT_RIGHT = Image.FLIP_LEFT_RIGHT
    FLIP_TOP_BOTTOM = Image.FLIP_TOP_BOTTOM
    PERSPECTIVE = Image.PERSPECTIVE