testing.py 文件源码

def delete_test_image(image_field):
    """
    Deletes test image generated as well as thumbnails if created.
    The recommended way of using this helper function is as follows:
        delete_test_image(object_1.image_property)
    :param image_field: The image field on an object.
    :return: None.
    """
    warnings.warn(DeprecationWarning(
        "delete_test_image() is deprecated in favour of the "
        "get_sample_image() context manager."), stacklevel=2)
    # ensure all thumbs are deleted
    for filename in glob.glob(
        os.path.join(
            settings.MEDIA_ROOT, 'thumbs', image_field.name.split('/')[-1]
        ) + '*'
    ):
        os.unlink(filename)
    # delete the saved file
    image_field.delete()