Merge pull request #5984 from radarhere/libwebp

libwebp 1.2.2 fixed endian bugs

Author: hugovk

Tests/test_file_webp_animated.py

@@ -1,6 +1,7 @@
 import pytest
+from packaging.version import parse as parse_version
 
-from PIL import Image
+from PIL import Image, features
 
 from .helper import (
     assert_image_equal,
@@ -27,7 +28,6 @@ def test_n_frames():
         assert im.is_animated
 
 
-@pytest.mark.xfail(is_big_endian(), reason="Fails on big-endian")
 def test_write_animation_L(tmp_path):
     """
     Convert an animated GIF to animated WebP, then compare the frame count, and first
@@ -46,14 +46,18 @@ def test_write_animation_L(tmp_path):
             orig.load()
             im.load()
             assert_image_similar(im, orig.convert("RGBA"), 32.9)
+
+            if is_big_endian():
+                webp = parse_version(features.version_module("webp"))
+                if webp < parse_version("1.2.2"):
+                    pytest.skip("Fails with libwebp earlier than 1.2.2")
             orig.seek(orig.n_frames - 1)
             im.seek(im.n_frames - 1)
             orig.load()
             im.load()
             assert_image_similar(im, orig.convert("RGBA"), 32.9)
 
 
-@pytest.mark.xfail(is_big_endian(), reason="Fails on big-endian")
 def test_write_animation_RGB(tmp_path):
     """
     Write an animated WebP from RGB frames, and ensure the frames
@@ -69,6 +73,10 @@ def check(temp_file):
             assert_image_equal(im, frame1.convert("RGBA"))
 
             # Compare second frame to original
+            if is_big_endian():
+                webp = parse_version(features.version_module("webp"))
+                if webp < parse_version("1.2.2"):
+                    pytest.skip("Fails with libwebp earlier than 1.2.2")
             im.seek(1)
             im.load()
             assert_image_equal(im, frame2.convert("RGBA"))