Merge branch 'main' into pre-commit-clang

.github/workflows/test-docker.yml

@@ -36,8 +36,8 @@ jobs:
         docker: [
           # Run slower jobs first to give them a headstart and reduce waiting time
           ubuntu-22.04-jammy-arm64v8,
-          ubuntu-22.04-jammy-ppc64le,
-          ubuntu-22.04-jammy-s390x,
+          ubuntu-24.04-noble-ppc64le,
+          ubuntu-24.04-noble-s390x,
           # Then run the remainder
           alpine,
           amazon-2-amd64,
@@ -52,14 +52,15 @@ jobs:
           gentoo,
           ubuntu-20.04-focal-amd64,
           ubuntu-22.04-jammy-amd64,
+          ubuntu-24.04-noble-amd64,
         ]
         dockerTag: [main]
         include:
           - docker: "ubuntu-22.04-jammy-arm64v8"
             qemu-arch: "aarch64"
-          - docker: "ubuntu-22.04-jammy-ppc64le"
+          - docker: "ubuntu-24.04-noble-ppc64le"
             qemu-arch: "ppc64le"
-          - docker: "ubuntu-22.04-jammy-s390x"
+          - docker: "ubuntu-24.04-noble-s390x"
             qemu-arch: "s390x"
 
     name: ${{ matrix.docker }}
@@ -81,8 +82,8 @@ jobs:
 
     - name: Docker build
       run: |
-        # The Pillow user in the docker container is UID 1000
-        sudo chown -R 1000 $GITHUB_WORKSPACE
+        # The Pillow user in the docker container is UID 1001
+        sudo chown -R 1001 $GITHUB_WORKSPACE
         docker run --name pillow_container  -v $GITHUB_WORKSPACE:/Pillow pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }}
         sudo chown -R runner $GITHUB_WORKSPACE
 

.github/workflows/test-valgrind.yml

@@ -50,7 +50,7 @@ jobs:
 
     - name: Build and Run Valgrind
       run: |
-        # The Pillow user in the docker container is UID 1000
-        sudo chown -R 1000 $GITHUB_WORKSPACE
+        # The Pillow user in the docker container is UID 1001
+        sudo chown -R 1001 $GITHUB_WORKSPACE
         docker run --name pillow_container -e "PILLOW_VALGRIND_TEST=true" -v $GITHUB_WORKSPACE:/Pillow pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }}
         sudo chown -R runner $GITHUB_WORKSPACE

CHANGES.rst

@@ -5,6 +5,12 @@ Changelog (Pillow)
 10.4.0 (unreleased)
 -------------------
 
+- Deprecate BGR;15, BGR;16 and BGR;24 modes #7978
+  [radarhere, hugovk]
+
+- Fix ImagingAccess for I;16N on big-endian #7921
+  [Yay295, radarhere]
+
 - Support reading P mode TIFF images with padding #7996
   [radarhere]
 

Makefile

@@ -2,7 +2,6 @@
 
 .PHONY: clean
 clean:
-	python3 setup.py clean
 	rm src/PIL/*.so || true
 	rm -r build || true
 	find . -name __pycache__ | xargs rm -r || true

Tests/helper.py

@@ -29,6 +29,33 @@
     uploader = "github_actions"
 
 
+modes = (
+    "1",
+    "L",
+    "LA",
+    "La",
+    "P",
+    "PA",
+    "F",
+    "I",
+    "I;16",
+    "I;16L",
+    "I;16B",
+    "I;16N",
+    "RGB",
+    "RGBA",
+    "RGBa",
+    "RGBX",
+    "BGR;15",
+    "BGR;16",
+    "BGR;24",
+    "CMYK",
+    "YCbCr",
+    "HSV",
+    "LAB",
+)
+
+
 def upload(a: Image.Image, b: Image.Image) -> str | None:
     if uploader == "show":
         # local img.show for errors.
@@ -273,7 +300,18 @@ def _cached_hopper(mode: str) -> Image.Image:
         im = hopper("L")
     else:
         im = hopper()
-    return im.convert(mode)
+    if mode.startswith("BGR;"):
+        with pytest.warns(DeprecationWarning):
+            im = im.convert(mode)
+    else:
+        try:
+            im = im.convert(mode)
+        except ImportError:
+            if mode == "LAB":
+                im = Image.open("Tests/images/hopper.Lab.tif")
+            else:
+                raise
+    return im
 
 
 def djpeg_available() -> bool:

Tests/test_image.py

@@ -28,45 +28,27 @@
     assert_image_similar_tofile,
     assert_not_all_same,
     hopper,
+    is_big_endian,
     is_win32,
     mark_if_feature_version,
+    modes,
     skip_unless_feature,
 )
 
-# name, pixel size
-image_modes = (
-    ("1", 1),
-    ("L", 1),
-    ("LA", 4),
-    ("La", 4),
-    ("P", 1),
-    ("PA", 4),
-    ("F", 4),
-    ("I", 4),
-    ("I;16", 2),
-    ("I;16L", 2),
-    ("I;16B", 2),
-    ("I;16N", 2),
-    ("RGB", 4),
-    ("RGBA", 4),
-    ("RGBa", 4),
-    ("RGBX", 4),
-    ("BGR;15", 2),
-    ("BGR;16", 2),
-    ("BGR;24", 3),
-    ("CMYK", 4),
-    ("YCbCr", 4),
-    ("HSV", 4),
-    ("LAB", 4),
-)
 
-image_mode_names = [name for name, _ in image_modes]
+# Deprecation helper
+def helper_image_new(mode: str, size: tuple[int, int]) -> Image.Image:
+    if mode.startswith("BGR;"):
+        with pytest.warns(DeprecationWarning):
+            return Image.new(mode, size)
+    else:
+        return Image.new(mode, size)
 
 
 class TestImage:
-    @pytest.mark.parametrize("mode", image_mode_names)
+    @pytest.mark.parametrize("mode", modes)
     def test_image_modes_success(self, mode: str) -> None:
-        Image.new(mode, (1, 1))
+        helper_image_new(mode, (1, 1))
 
     @pytest.mark.parametrize("mode", ("", "bad", "very very long"))
     def test_image_modes_fail(self, mode: str) -> None:
@@ -1045,30 +1027,33 @@ def test_close_graceful(self, caplog: pytest.LogCaptureFixture) -> None:
 
 
 class TestImageBytes:
-    @pytest.mark.parametrize("mode", image_mode_names)
+    @pytest.mark.parametrize("mode", modes)
     def test_roundtrip_bytes_constructor(self, mode: str) -> None:
         im = hopper(mode)
         source_bytes = im.tobytes()
 
-        reloaded = Image.frombytes(mode, im.size, source_bytes)
+        if mode.startswith("BGR;"):
+            with pytest.warns(DeprecationWarning):
+                reloaded = Image.frombytes(mode, im.size, source_bytes)
+        else:
+            reloaded = Image.frombytes(mode, im.size, source_bytes)
         assert reloaded.tobytes() == source_bytes
 
-    @pytest.mark.parametrize("mode", image_mode_names)
+    @pytest.mark.parametrize("mode", modes)
     def test_roundtrip_bytes_method(self, mode: str) -> None:
         im = hopper(mode)
         source_bytes = im.tobytes()
 
-        reloaded = Image.new(mode, im.size)
+        reloaded = helper_image_new(mode, im.size)
         reloaded.frombytes(source_bytes)
         assert reloaded.tobytes() == source_bytes
 
-    @pytest.mark.parametrize(("mode", "pixelsize"), image_modes)
-    def test_getdata_putdata(self, mode: str, pixelsize: int) -> None:
-        im = Image.new(mode, (2, 2))
-        source_bytes = bytes(range(im.width * im.height * pixelsize))
-        im.frombytes(source_bytes)
-
-        reloaded = Image.new(mode, im.size)
+    @pytest.mark.parametrize("mode", modes)
+    def test_getdata_putdata(self, mode: str) -> None:
+        if is_big_endian() and mode == "BGR;15":
+            pytest.xfail("Known failure of BGR;15 on big-endian")
+        im = hopper(mode)
+        reloaded = helper_image_new(mode, im.size)
         reloaded.putdata(im.getdata())
         assert_image_equal(im, reloaded)