Merge branch 'main' into type_hint_init

.appveyor.yml

@@ -51,7 +51,7 @@ build_script:
 
 test_script:
 - cd c:\pillow
-- '%PYTHON%\%EXECUTABLE% -m pip install pytest pytest-cov pytest-timeout defusedxml numpy olefile pyroma'
+- '%PYTHON%\%EXECUTABLE% -m pip install pytest pytest-cov pytest-timeout defusedxml ipython numpy olefile pyroma'
 - c:\"Program Files (x86)"\"Windows Kits"\10\Debuggers\x86\gflags.exe /p /enable %PYTHON%\%EXECUTABLE%
 - '%PYTHON%\%EXECUTABLE% -c "from PIL import Image"'
 - '%PYTHON%\%EXECUTABLE% -m pytest -vx --cov PIL --cov Tests --cov-report term --cov-report xml Tests'

.ci/install.sh

@@ -30,6 +30,7 @@ python3 -m pip install --upgrade pip
 python3 -m pip install --upgrade wheel
 python3 -m pip install coverage
 python3 -m pip install defusedxml
+python3 -m pip install ipython
 python3 -m pip install olefile
 python3 -m pip install -U pytest
 python3 -m pip install -U pytest-cov

.ci/requirements-mypy.txt

@@ -5,6 +5,7 @@ ipython
 numpy
 packaging
 pytest
+sphinx
 types-defusedxml
 types-olefile
 types-setuptools

.github/workflows/macos-install.sh

@@ -2,6 +2,9 @@
 
 set -e
 
+if [[ "$ImageOS" == "macos13" ]]; then
+    brew uninstall gradle maven
+fi
 brew install \
     freetype \
     ghostscript \
@@ -20,6 +23,7 @@ export PKG_CONFIG_PATH="/usr/local/opt/openblas/lib/pkgconfig"
 
 python3 -m pip install coverage
 python3 -m pip install defusedxml
+python3 -m pip install ipython
 python3 -m pip install olefile
 python3 -m pip install -U pytest
 python3 -m pip install -U pytest-cov

.github/workflows/test-cygwin.yml

@@ -74,6 +74,7 @@ jobs:
             perl
             python3${{ matrix.python-minor-version }}-cython
             python3${{ matrix.python-minor-version }}-devel
+            python3${{ matrix.python-minor-version }}-ipython
             python3${{ matrix.python-minor-version }}-numpy
             python3${{ matrix.python-minor-version }}-sip
             python3${{ matrix.python-minor-version }}-tkinter

.github/workflows/test-windows.yml

@@ -87,7 +87,7 @@ jobs:
         echo "C:\Program Files\NASM" >> $env:GITHUB_PATH
 
         choco install ghostscript --version=10.3.1 --no-progress
-        echo "C:\Program Files\gs\gs10.00.0\bin" >> $env:GITHUB_PATH
+        echo "C:\Program Files\gs\gs10.03.1\bin" >> $env:GITHUB_PATH
 
         # Install extra test images
         xcopy /S /Y Tests\test-images\* Tests\images

.pre-commit-config.yaml

@@ -1,12 +1,12 @@
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.5.6
+    rev: v0.6.0
     hooks:
       - id: ruff
         args: [--exit-non-zero-on-fix]
 
   - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 24.4.2
+    rev: 24.8.0
     hooks:
       - id: black
 
@@ -67,7 +67,7 @@ repos:
       - id: pyproject-fmt
 
   - repo: https://github.com/abravalheri/validate-pyproject
-    rev: v0.18
+    rev: v0.19
     hooks:
       - id: validate-pyproject
 

CHANGES.rst

@@ -5,6 +5,21 @@ Changelog (Pillow)
 11.0.0 (unreleased)
 -------------------
 
+- Updated error message when saving WebP with invalid width or height #8322
+  [radarhere, hugovk]
+
+- Remove warning if NumPy failed to raise an error during conversion #8326
+  [radarhere]
+
+- If left and right sides meet in ImageDraw.rounded_rectangle(), do not draw rectangle to fill gap #8304
+  [radarhere]
+
+- Remove WebP support without anim, mux/demux, and with buggy alpha #8213
+  [homm, radarhere]
+
+- Add missing TIFF CMYK;16B reader #8298
+  [homm]
+
 - Remove all WITH_* flags from _imaging.c and other flags #8211
   [homm]
 

Tests/test_features.py

@@ -10,11 +10,6 @@ from PIL import features
 
 from .helper import skip_unless_feature
 
-try:
-    from PIL import _webp
-except ImportError:
-    pass
-
 
 def test_check() -> None:
     # Check the correctness of the convenience function
@@ -23,6 +18,10 @@ def test_check() -> None:
     for codec in features.codecs:
         assert features.check_codec(codec) == features.check(codec)
     for feature in features.features:
+        if "webp" in feature:
+            with pytest.warns(DeprecationWarning):
+                assert features.check_feature(feature) == features.check(feature)
+        else:
             assert features.check_feature(feature) == features.check(feature)
 
 
@@ -48,23 +47,26 @@ def test_version() -> None:
     for codec in features.codecs:
         test(codec, features.version_codec)
     for feature in features.features:
+        if "webp" in feature:
+            with pytest.warns(DeprecationWarning):
+                test(feature, features.version_feature)
+        else:
             test(feature, features.version_feature)
 
 
-@skip_unless_feature("webp")
 def test_webp_transparency() -> None:
-    assert features.check("transp_webp") != _webp.WebPDecoderBuggyAlpha()
+    with pytest.warns(DeprecationWarning):
-    assert features.check("transp_webp") == _webp.HAVE_TRANSPARENCY
+        assert features.check("transp_webp") == features.check_module("webp")
 
 
-@skip_unless_feature("webp")
 def test_webp_mux() -> None:
-    assert features.check("webp_mux") == _webp.HAVE_WEBPMUX
+    with pytest.warns(DeprecationWarning):
+        assert features.check("webp_mux") == features.check_module("webp")
 
 
-@skip_unless_feature("webp")
 def test_webp_anim() -> None:
-    assert features.check("webp_anim") == _webp.HAVE_WEBPANIM
+    with pytest.warns(DeprecationWarning):
+        assert features.check("webp_anim") == features.check_module("webp")
 
 
 @skip_unless_feature("libjpeg_turbo")

Tests/test_file_gif.py

@@ -978,7 +978,7 @@ def test_webp_background(tmp_path: Path) -> None:
     out = str(tmp_path / "temp.gif")
 
     # Test opaque WebP background
-    if features.check("webp") and features.check("webp_anim"):
+    if features.check("webp"):
         with Image.open("Tests/images/hopper.webp") as im:
             assert im.info["background"] == (255, 255, 255, 255)
             im.save(out)

Tests/test_file_iptc.py

@@ -77,6 +77,16 @@ def test_getiptcinfo_zero_padding() -> None:
     assert len(iptc) == 3
 
 
+def test_getiptcinfo_tiff() -> None:
+    # Arrange
+    with Image.open("Tests/images/hopper.Lab.tif") as im:
+        # Act
+        iptc = IptcImagePlugin.getiptcinfo(im)
+
+    # Assert
+    assert iptc == {(1, 90): b"\x1b%G", (2, 0): b"\xcf\xc0"}
+
+
 def test_getiptcinfo_tiff_none() -> None:
     # Arrange
     with Image.open("Tests/images/hopper.tif") as im:

Tests/test_file_jpeg.py

@@ -1019,13 +1019,16 @@ class TestFileJpeg:
 
         # SOI, EOI
         for marker in b"\xff\xd8", b"\xff\xd9":
-            assert marker in data[1] and marker in data[2]
+            assert marker in data[1]
+            assert marker in data[2]
         # DHT, DQT
         for marker in b"\xff\xc4", b"\xff\xdb":
-            assert marker in data[1] and marker not in data[2]
+            assert marker in data[1]
+            assert marker not in data[2]
         # SOF0, SOS, APP0 (JFIF header)
         for marker in b"\xff\xc0", b"\xff\xda", b"\xff\xe0":
-            assert marker not in data[1] and marker in data[2]
+            assert marker not in data[1]
+            assert marker in data[2]
 
         with Image.open(BytesIO(data[0])) as interchange_im:
             with Image.open(BytesIO(data[1] + data[2])) as combined_im:

Tests/test_file_jpeg2k.py

@@ -233,7 +233,7 @@ def test_layers() -> None:
         ("foo.jp2", {"no_jp2": True}, 0, b"\xff\x4f"),
         ("foo.j2k", {"no_jp2": False}, 0, b"\xff\x4f"),
         ("foo.jp2", {"no_jp2": False}, 4, b"jP"),
-        ("foo.jp2", {"no_jp2": False}, 4, b"jP"),
+        (None, {"no_jp2": False}, 4, b"jP"),
     ),
 )
 def test_no_jp2(name: str, args: dict[str, bool], offset: int, data: bytes) -> None:

Tests/test_file_tiff.py

@@ -684,6 +684,13 @@ class TestFileTiff:
             with Image.open(outfile) as reloaded:
                 assert_image_equal_tofile(reloaded, infile)
 
+    def test_invalid_tiled_dimensions(self) -> None:
+        with open("Tests/images/tiff_tiled_planar_raw.tif", "rb") as fp:
+            data = fp.read()
+        b = BytesIO(data[:144] + b"\x02" + data[145:])
+        with pytest.raises(ValueError):
+            Image.open(b)
+
     @pytest.mark.parametrize("mode", ("P", "PA"))
     def test_palette(self, mode: str, tmp_path: Path) -> None:
         outfile = str(tmp_path / "temp.tif")

Tests/test_file_webp.py

@@ -48,8 +48,6 @@ class TestFileWebp:
         self.rgb_mode = "RGB"
 
     def test_version(self) -> None:
-        _webp.WebPDecoderVersion()
-        _webp.WebPDecoderBuggyAlpha()
         version = features.version_module("webp")
         assert version is not None
         assert re.search(r"\d+\.\d+\.\d+$", version)
@@ -117,7 +115,6 @@ class TestFileWebp:
         hopper().save(buffer_method, format="WEBP", method=6)
         assert buffer_no_args.getbuffer() != buffer_method.getbuffer()
 
-    @skip_unless_feature("webp_anim")
     def test_save_all(self, tmp_path: Path) -> None:
         temp_file = str(tmp_path / "temp.webp")
         im = Image.new("RGB", (1, 1))
@@ -132,7 +129,6 @@ class TestFileWebp:
 
     def test_icc_profile(self, tmp_path: Path) -> None:
         self._roundtrip(tmp_path, self.rgb_mode, 12.5, {"icc_profile": None})
-        if _webp.HAVE_WEBPANIM:
         self._roundtrip(
             tmp_path, self.rgb_mode, 12.5, {"icc_profile": None, "save_all": True}
         )
@@ -161,27 +157,32 @@ class TestFileWebp:
             im.save(temp_file, method=0)
         assert str(e.value) == "encoding error 6"
 
+    @pytest.mark.skipif(sys.maxsize <= 2**32, reason="Requires 64-bit system")
+    def test_write_encoding_error_bad_dimension(self, tmp_path: Path) -> None:
+        temp_file = str(tmp_path / "temp.webp")
+        im = Image.new("L", (16384, 16384))
+        with pytest.raises(ValueError) as e:
+            im.save(temp_file)
+        assert (
+            str(e.value)
+            == "encoding error 5: Image size exceeds WebP limit of 16383 pixels"
+        )
+
     def test_WebPEncode_with_invalid_args(self) -> None:
         """
         Calling encoder functions with no arguments should result in an error.
         """
-
-        if _webp.HAVE_WEBPANIM:
         with pytest.raises(TypeError):
             _webp.WebPAnimEncoder()
         with pytest.raises(TypeError):
             _webp.WebPEncode()
 
-    def test_WebPDecode_with_invalid_args(self) -> None:
+    def test_WebPAnimDecoder_with_invalid_args(self) -> None:
         """
         Calling decoder functions with no arguments should result in an error.
         """
-
-        if _webp.HAVE_WEBPANIM:
         with pytest.raises(TypeError):
             _webp.WebPAnimDecoder()
-        with pytest.raises(TypeError):
-            _webp.WebPDecode()
 
     def test_no_resource_warning(self, tmp_path: Path) -> None:
         file_path = "Tests/images/hopper.webp"
@@ -200,7 +201,6 @@ class TestFileWebp:
         "background",
         (0, (0,), (-1, 0, 1, 2), (253, 254, 255, 256)),
     )
-    @skip_unless_feature("webp_anim")
     def test_invalid_background(
         self, background: int | tuple[int, ...], tmp_path: Path
     ) -> None:
@@ -209,7 +209,6 @@ class TestFileWebp:
         with pytest.raises(OSError):
             im.save(temp_file, save_all=True, append_images=[im], background=background)
 
-    @skip_unless_feature("webp_anim")
     def test_background_from_gif(self, tmp_path: Path) -> None:
         # Save L mode GIF with background
         with Image.open("Tests/images/no_palette_with_background.gif") as im:
@@ -234,7 +233,6 @@ class TestFileWebp:
         difference = sum(abs(original_value[i] - reread_value[i]) for i in range(0, 3))
         assert difference < 5
 
-    @skip_unless_feature("webp_anim")
     def test_duration(self, tmp_path: Path) -> None:
         with Image.open("Tests/images/dispose_bgnd.gif") as im:
             assert im.info["duration"] == 1000

Tests/test_file_webp_alpha.py

@@ -13,12 +13,7 @@ from .helper import (
     hopper,
 )
 
-_webp = pytest.importorskip("PIL._webp", reason="WebP support not installed")
+pytest.importorskip("PIL._webp", reason="WebP support not installed")
-
-
-def setup_module() -> None:
-    if _webp.WebPDecoderBuggyAlpha():
-        pytest.skip("Buggy early version of WebP installed, not testing transparency")
 
 
 def test_read_rgba() -> None:
@@ -81,9 +76,6 @@ def test_write_rgba(tmp_path: Path) -> None:
     pil_image = Image.new("RGBA", (10, 10), (255, 0, 0, 20))
     pil_image.save(temp_file)
 
-    if _webp.WebPDecoderBuggyAlpha():
-        return
-
     with Image.open(temp_file) as image:
         image.load()
 
@@ -93,11 +85,6 @@ def test_write_rgba(tmp_path: Path) -> None:
         image.load()
         image.getdata()
 
-        # Early versions of WebP are known to produce higher deviations:
-        # deal with it
-        if _webp.WebPDecoderVersion() <= 0x201:
-            assert_image_similar(image, pil_image, 3.0)
-        else:
         assert_image_similar(image, pil_image, 1.0)
 
 

Tests/test_file_webp_animated.py

@@ -15,10 +15,7 @@ from .helper import (
     skip_unless_feature,
 )
 
-pytestmark = [
+pytestmark = skip_unless_feature("webp")
-    skip_unless_feature("webp"),
-    skip_unless_feature("webp_anim"),
-]
 
 
 def test_n_frames() -> None:

Tests/test_file_webp_lossless.py

@@ -8,14 +8,11 @@ from PIL import Image
 
 from .helper import assert_image_equal, hopper
 
-_webp = pytest.importorskip("PIL._webp", reason="WebP support not installed")
+pytest.importorskip("PIL._webp", reason="WebP support not installed")
 RGB_MODE = "RGB"
 
 
 def test_write_lossless_rgb(tmp_path: Path) -> None:
-    if _webp.WebPDecoderVersion() < 0x0200:
-        pytest.skip("lossless not included")
-
     temp_file = str(tmp_path / "temp.webp")
 
     hopper(RGB_MODE).save(temp_file, lossless=True)

Tests/test_file_webp_metadata.py

@@ -10,10 +10,7 @@ from PIL import Image
 
 from .helper import mark_if_feature_version, skip_unless_feature
 
-pytestmark = [
+pytestmark = skip_unless_feature("webp")
-    skip_unless_feature("webp"),
-    skip_unless_feature("webp_mux"),
-]
 
 ElementTree: ModuleType | None
 try:
@@ -119,7 +116,15 @@ def test_read_no_exif() -> None:
 def test_getxmp() -> None:
     with Image.open("Tests/images/flower.webp") as im:
         assert "xmp" not in im.info
-        assert im.getxmp() == {}
+        if ElementTree is None:
+            with pytest.warns(
+                UserWarning,
+                match="XMP data cannot be read without defusedxml dependency",
+            ):
+                xmp = im.getxmp()
+        else:
+            xmp = im.getxmp()
+        assert xmp == {}
 
     with Image.open("Tests/images/flower2.webp") as im:
         if ElementTree is None:
@@ -136,7 +141,6 @@ def test_getxmp() -> None:
             )
 
 
-@skip_unless_feature("webp_anim")
 def test_write_animated_metadata(tmp_path: Path) -> None:
     iccp_data = b"<iccp_data>"
     exif_data = b"<exif_data>"

Tests/test_image.py

@@ -42,6 +42,12 @@ try:
 except ImportError:
     ElementTree = None
 
+PrettyPrinter: type | None
+try:
+    from IPython.lib.pretty import PrettyPrinter
+except ImportError:
+    PrettyPrinter = None
+
 
 # Deprecation helper
 def helper_image_new(mode: str, size: tuple[int, int]) -> Image.Image:
@@ -91,16 +97,15 @@ class TestImage:
         # with pytest.raises(MemoryError):
         #   Image.new("L", (1000000, 1000000))
 
+    @pytest.mark.skipif(PrettyPrinter is None, reason="IPython is not installed")
     def test_repr_pretty(self) -> None:
-        class Pretty:
-            def text(self, text: str) -> None:
-                self.pretty_output = text
-
         im = Image.new("L", (100, 100))
 
-        p = Pretty()
+        output = io.StringIO()
+        assert PrettyPrinter is not None
+        p = PrettyPrinter(output)
         im._repr_pretty_(p, False)
-        assert p.pretty_output == "<PIL.Image.Image image mode=L size=100x100>"
+        assert output.getvalue() == "<PIL.Image.Image image mode=L size=100x100>"
 
     def test_open_formats(self) -> None:
         PNGFILE = "Tests/images/hopper.png"
@@ -818,7 +823,6 @@ class TestImage:
             assert reloaded_exif[305] == "Pillow test"
 
     @skip_unless_feature("webp")
-    @skip_unless_feature("webp_anim")
     def test_exif_webp(self, tmp_path: Path) -> None:
         with Image.open("Tests/images/hopper.webp") as im:
             exif = im.getexif()
@@ -940,7 +944,15 @@ class TestImage:
 
     def test_empty_xmp(self) -> None:
         with Image.open("Tests/images/hopper.gif") as im:
-            assert im.getxmp() == {}
+            if ElementTree is None:
+                with pytest.warns(
+                    UserWarning,
+                    match="XMP data cannot be read without defusedxml dependency",
+                ):
+                    xmp = im.getxmp()
+            else:
+                xmp = im.getxmp()
+            assert xmp == {}
 
     def test_getxmp_padded(self) -> None:
         im = Image.new("RGB", (1, 1))

Tests/test_image_array.py

@@ -47,7 +47,7 @@ def test_toarray() -> None:
             with pytest.raises(OSError):
                 numpy.array(im_truncated)
         else:
-            with pytest.warns(UserWarning):
+            with pytest.warns(DeprecationWarning):
                 numpy.array(im_truncated)
 
 

Tests/test_imagechops.py

@@ -398,7 +398,8 @@ def test_logical() -> None:
             for y in (a, b):
                 imy = Image.new("1", (1, 1), y)
                 value = op(imx, imy).getpixel((0, 0))
-                assert not isinstance(value, tuple) and value is not None
+                assert not isinstance(value, tuple)
+                assert value is not None
                 out.append(value)
         return out
 

Tests/test_imagedraw.py

@@ -857,6 +857,27 @@ def test_rounded_rectangle_corners(
     )
 
 
+def test_rounded_rectangle_joined_x_different_corners() -> None:
+    # Arrange
+    im = Image.new("RGB", (W, H))
+    draw = ImageDraw.Draw(im, "RGBA")
+
+    # Act
+    draw.rounded_rectangle(
+        (20, 10, 80, 90),
+        30,
+        fill="red",
+        outline="green",
+        width=5,
+        corners=(True, False, False, False),
+    )
+
+    # Assert
+    assert_image_equal_tofile(
+        im, "Tests/images/imagedraw_rounded_rectangle_joined_x_different_corners.png"
+    )
+
+
 @pytest.mark.parametrize(
     "xy, radius, type",
     [

Tests/test_imagefile.py

@@ -94,7 +94,6 @@ class TestImageFile:
             assert (48, 48) == p.image.size
 
     @skip_unless_feature("webp")
-    @skip_unless_feature("webp_anim")
     def test_incremental_webp(self) -> None:
         with ImageFile.Parser() as p:
             with open("Tests/images/hopper.webp", "rb") as f:
@@ -318,7 +317,13 @@ class TestPyEncoder(CodecsTest):
 
         fp = BytesIO()
         ImageFile._save(
-            im, fp, [("MOCK", (xoff, yoff, xoff + xsize, yoff + ysize), 0, "RGB")]
+            im,
+            fp,
+            [
+                ImageFile._Tile(
+                    "MOCK", (xoff, yoff, xoff + xsize, yoff + ysize), 0, "RGB"
+                )
+            ],
         )
 
         assert MockPyEncoder.last
@@ -334,7 +339,7 @@ class TestPyEncoder(CodecsTest):
         im.tile = [("MOCK", None, 32, None)]
 
         fp = BytesIO()
-        ImageFile._save(im, fp, [("MOCK", None, 0, "RGB")])
+        ImageFile._save(im, fp, [ImageFile._Tile("MOCK", None, 0, "RGB")])
 
         assert MockPyEncoder.last
         assert MockPyEncoder.last.state.xoff == 0
@@ -351,7 +356,9 @@ class TestPyEncoder(CodecsTest):
         MockPyEncoder.last = None
         with pytest.raises(ValueError):
             ImageFile._save(
-                im, fp, [("MOCK", (xoff, yoff, -10, yoff + ysize), 0, "RGB")]
+                im,
+                fp,
+                [ImageFile._Tile("MOCK", (xoff, yoff, -10, yoff + ysize), 0, "RGB")],
             )
         last: MockPyEncoder | None = MockPyEncoder.last
         assert last
@@ -359,7 +366,9 @@ class TestPyEncoder(CodecsTest):
 
         with pytest.raises(ValueError):
             ImageFile._save(
-                im, fp, [("MOCK", (xoff, yoff, xoff + xsize, -10), 0, "RGB")]
+                im,
+                fp,
+                [ImageFile._Tile("MOCK", (xoff, yoff, xoff + xsize, -10), 0, "RGB")],
             )
 
     def test_oversize(self) -> None:
@@ -372,14 +381,22 @@ class TestPyEncoder(CodecsTest):
             ImageFile._save(
                 im,
                 fp,
-                [("MOCK", (xoff, yoff, xoff + xsize + 100, yoff + ysize), 0, "RGB")],
+                [
+                    ImageFile._Tile(
+                        "MOCK", (xoff, yoff, xoff + xsize + 100, yoff + ysize), 0, "RGB"
+                    )
+                ],
             )
 
         with pytest.raises(ValueError):
             ImageFile._save(
                 im,
                 fp,
-                [("MOCK", (xoff, yoff, xoff + xsize, yoff + ysize + 100), 0, "RGB")],
+                [
+                    ImageFile._Tile(
+                        "MOCK", (xoff, yoff, xoff + xsize, yoff + ysize + 100), 0, "RGB"
+                    )
+                ],
             )
 
     def test_encode(self) -> None:
@@ -395,9 +412,8 @@ class TestPyEncoder(CodecsTest):
         with pytest.raises(NotImplementedError):
             encoder.encode_to_pyfd()
 
-        fh = BytesIO()
         with pytest.raises(NotImplementedError):
-            encoder.encode_to_file(fh, 0)
+            encoder.encode_to_file(0, 0)
 
     def test_zero_height(self) -> None:
         with pytest.raises(UnidentifiedImageError):

Tests/test_imagemorph.py

@@ -46,7 +46,8 @@ def img_to_string(im: Image.Image) -> str:
         line = ""
         for c in range(im.width):
             value = im.getpixel((c, r))
-            assert not isinstance(value, tuple) and value is not None
+            assert not isinstance(value, tuple)
+            assert value is not None
             line += chars[value > 0]
         result.append(line)
     return "\n".join(result)

Tests/test_imageops.py

@@ -390,7 +390,7 @@ def test_colorize_3color_offset() -> None:
 
 def test_exif_transpose() -> None:
     exts = [".jpg"]
-    if features.check("webp") and features.check("webp_anim"):
+    if features.check("webp"):
         exts.append(".webp")
     for ext in exts:
         with Image.open("Tests/images/hopper" + ext) as base_im:

Tests/test_psdraw.py

@@ -5,8 +5,6 @@ import sys
 from io import BytesIO
 from pathlib import Path
 
-import pytest
-
 from PIL import Image, PSDraw
 
 
@@ -49,15 +47,14 @@ def test_draw_postscript(tmp_path: Path) -> None:
     assert os.path.getsize(tempfile) > 0
 
 
-@pytest.mark.parametrize("buffer", (True, False))
+def test_stdout() -> None:
-def test_stdout(buffer: bool) -> None:
     # Temporarily redirect stdout
     old_stdout = sys.stdout
 
     class MyStdOut:
         buffer = BytesIO()
 
-    mystdout: MyStdOut | BytesIO = MyStdOut() if buffer else BytesIO()
+    mystdout = MyStdOut()
 
     sys.stdout = mystdout
 
@@ -67,6 +64,4 @@ def test_stdout(buffer: bool) -> None:
     # Reset stdout
     sys.stdout = old_stdout
 
-    if isinstance(mystdout, MyStdOut):
+    assert mystdout.buffer.getvalue() != b""
-        mystdout = mystdout.buffer
-    assert mystdout.getvalue() != b""

Tests/test_qt_image_qapplication.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 from pathlib import Path
+from typing import TYPE_CHECKING, Union
 
 import pytest
 
@@ -8,6 +9,20 @@ from PIL import Image, ImageQt
 
 from .helper import assert_image_equal_tofile, assert_image_similar, hopper
 
+if TYPE_CHECKING:
+    import PyQt6
+    import PySide6
+
+    QApplication = Union[PyQt6.QtWidgets.QApplication, PySide6.QtWidgets.QApplication]
+    QHBoxLayout = Union[PyQt6.QtWidgets.QHBoxLayout, PySide6.QtWidgets.QHBoxLayout]
+    QImage = Union[PyQt6.QtGui.QImage, PySide6.QtGui.QImage]
+    QLabel = Union[PyQt6.QtWidgets.QLabel, PySide6.QtWidgets.QLabel]
+    QPainter = Union[PyQt6.QtGui.QPainter, PySide6.QtGui.QPainter]
+    QPixmap = Union[PyQt6.QtGui.QPixmap, PySide6.QtGui.QPixmap]
+    QPoint = Union[PyQt6.QtCore.QPoint, PySide6.QtCore.QPoint]
+    QRegion = Union[PyQt6.QtGui.QRegion, PySide6.QtGui.QRegion]
+    QWidget = Union[PyQt6.QtWidgets.QWidget, PySide6.QtWidgets.QWidget]
+
 if ImageQt.qt_is_installed:
     from PIL.ImageQt import QPixmap
 
@@ -20,7 +35,7 @@ if ImageQt.qt_is_installed:
         from PySide6.QtGui import QImage, QPainter, QRegion
         from PySide6.QtWidgets import QApplication, QHBoxLayout, QLabel, QWidget
 
-    class Example(QWidget):
+    class Example(QWidget):  # type: ignore[misc]
         def __init__(self) -> None:
             super().__init__()
 
@@ -28,11 +43,12 @@ if ImageQt.qt_is_installed:
 
             qimage = ImageQt.ImageQt(img)
 
-            pixmap1 = ImageQt.QPixmap.fromImage(qimage)
+            pixmap1 = getattr(ImageQt.QPixmap, "fromImage")(qimage)
 
-            QHBoxLayout(self)  # hbox
+            # hbox
+            QHBoxLayout(self)  # type: ignore[operator]
 
-            lbl = QLabel(self)
+            lbl = QLabel(self)  # type: ignore[operator]
             # Segfault in the problem
             lbl.setPixmap(pixmap1.copy())
 
@@ -46,7 +62,7 @@ def roundtrip(expected: Image.Image) -> None:
 @pytest.mark.skipif(not ImageQt.qt_is_installed, reason="Qt bindings are not installed")
 def test_sanity(tmp_path: Path) -> None:
     # Segfault test
-    app: QApplication | None = QApplication([])
+    app: QApplication | None = QApplication([])  # type: ignore[operator]
     ex = Example()
     assert app  # Silence warning
     assert ex  # Silence warning
@@ -56,7 +72,7 @@ def test_sanity(tmp_path: Path) -> None:
         im = hopper(mode)
         data = ImageQt.toqpixmap(im)
 
-        assert isinstance(data, QPixmap)
+        assert data.__class__.__name__ == "QPixmap"
         assert not data.isNull()
 
         # Test saving the file
@@ -64,14 +80,14 @@ def test_sanity(tmp_path: Path) -> None:
         data.save(tempfile)
 
         # Render the image
-        qimage = ImageQt.ImageQt(im)
+        imageqt = ImageQt.ImageQt(im)
-        data = QPixmap.fromImage(qimage)
+        data = getattr(QPixmap, "fromImage")(imageqt)
-        qt_format = QImage.Format if ImageQt.qt_version == "6" else QImage
+        qt_format = getattr(QImage, "Format") if ImageQt.qt_version == "6" else QImage
-        qimage = QImage(128, 128, qt_format.Format_ARGB32)
+        qimage = QImage(128, 128, getattr(qt_format, "Format_ARGB32"))  # type: ignore[operator]
-        painter = QPainter(qimage)
+        painter = QPainter(qimage)  # type: ignore[operator]
-        image_label = QLabel()
+        image_label = QLabel()  # type: ignore[operator]
         image_label.setPixmap(data)
-        image_label.render(painter, QPoint(0, 0), QRegion(0, 0, 128, 128))
+        image_label.render(painter, QPoint(0, 0), QRegion(0, 0, 128, 128))  # type: ignore[operator]
         painter.end()
         rendered_tempfile = str(tmp_path / f"temp_rendered_{mode}.png")
         qimage.save(rendered_tempfile)

Tests/test_qt_image_toqimage.py

@@ -21,7 +21,7 @@ def test_sanity(mode: str, tmp_path: Path) -> None:
     src = hopper(mode)
     data = ImageQt.toqimage(src)
 
-    assert isinstance(data, QImage)
+    assert isinstance(data, QImage)  # type: ignore[arg-type, misc]
     assert not data.isNull()
 
     # reload directly from the qimage

Tests/test_tiff_ifdrational.py

@@ -54,8 +54,8 @@ def test_nonetype() -> None:
     assert xres.denominator is not None
     assert yres._val is not None
 
-    assert xres and 1
+    assert xres
-    assert xres and yres
+    assert yres
 
 
 @pytest.mark.parametrize(

docs/deprecations.rst

@@ -126,6 +126,16 @@ JpegImageFile.huffman_ac and JpegImageFile.huffman_dc
 The ``huffman_ac`` and ``huffman_dc`` dictionaries on JPEG images were unused. They
 have been deprecated, and will be removed in Pillow 12 (2025-10-15).
 
+Specific WebP Feature Checks
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+.. deprecated:: 11.0.0
+
+``features.check("transp_webp")``, ``features.check("webp_mux")`` and
+``features.check("webp_anim")`` are now deprecated. They will always return
+``True`` if the WebP module is installed, until they are removed in Pillow
+12.0.0 (2025-10-15).
+
 Removed features
 ----------------
 

docs/example/DdsImagePlugin.py

@@ -14,6 +14,7 @@ from __future__ import annotations
 
 import struct
 from io import BytesIO
+from typing import IO
 
 from PIL import Image, ImageFile
 
@@ -94,26 +95,26 @@ DXT3_FOURCC = 0x33545844
 DXT5_FOURCC = 0x35545844
 
 
-def _decode565(bits):
+def _decode565(bits: int) -> tuple[int, int, int]:
     a = ((bits >> 11) & 0x1F) << 3
     b = ((bits >> 5) & 0x3F) << 2
     c = (bits & 0x1F) << 3
     return a, b, c
 
 
-def _c2a(a, b):
+def _c2a(a: int, b: int) -> int:
     return (2 * a + b) // 3
 
 
-def _c2b(a, b):
+def _c2b(a: int, b: int) -> int:
     return (a + b) // 2
 
 
-def _c3(a, b):
+def _c3(a: int, b: int) -> int:
     return (2 * b + a) // 3
 
 
-def _dxt1(data, width, height):
+def _dxt1(data: IO[bytes], width: int, height: int) -> bytes:
     # TODO implement this function as pixel format in decode.c
     ret = bytearray(4 * width * height)
 
@@ -151,7 +152,7 @@ def _dxt1(data, width, height):
     return bytes(ret)
 
 
-def _dxtc_alpha(a0, a1, ac0, ac1, ai):
+def _dxtc_alpha(a0: int, a1: int, ac0: int, ac1: int, ai: int) -> int:
     if ai <= 12:
         ac = (ac0 >> ai) & 7
     elif ai == 15:
@@ -175,7 +176,7 @@ def _dxtc_alpha(a0, a1, ac0, ac1, ai):
     return alpha
 
 
-def _dxt5(data, width, height):
+def _dxt5(data: IO[bytes], width: int, height: int) -> bytes:
     # TODO implement this function as pixel format in decode.c
     ret = bytearray(4 * width * height)
 
@@ -211,7 +212,7 @@ class DdsImageFile(ImageFile.ImageFile):
     format = "DDS"
     format_description = "DirectDraw Surface"
 
-    def _open(self):
+    def _open(self) -> None:
         if not _accept(self.fp.read(4)):
             msg = "not a DDS file"
             raise SyntaxError(msg)
@@ -242,19 +243,20 @@ class DdsImageFile(ImageFile.ImageFile):
         elif fourcc == b"DXT5":
             self.decoder = "DXT5"
         else:
-            msg = f"Unimplemented pixel format {fourcc}"
+            msg = f"Unimplemented pixel format {repr(fourcc)}"
             raise NotImplementedError(msg)
 
         self.tile = [(self.decoder, (0, 0) + self.size, 0, (self.mode, 0, 1))]
 
-    def load_seek(self, pos):
+    def load_seek(self, pos: int) -> None:
         pass
 
 
 class DXT1Decoder(ImageFile.PyDecoder):
     _pulls_fd = True
 
-    def decode(self, buffer):
+    def decode(self, buffer: bytes) -> tuple[int, int]:
+        assert self.fd is not None
         try:
             self.set_as_raw(_dxt1(self.fd, self.state.xsize, self.state.ysize))
         except struct.error as e:
@@ -266,7 +268,8 @@ class DXT1Decoder(ImageFile.PyDecoder):
 class DXT5Decoder(ImageFile.PyDecoder):
     _pulls_fd = True
 
-    def decode(self, buffer):
+    def decode(self, buffer: bytes) -> tuple[int, int]:
+        assert self.fd is not None
         try:
             self.set_as_raw(_dxt5(self.fd, self.state.xsize, self.state.ysize))
         except struct.error as e:
@@ -279,7 +282,7 @@ Image.register_decoder("DXT1", DXT1Decoder)
 Image.register_decoder("DXT5", DXT5Decoder)
 
 
-def _accept(prefix):
+def _accept(prefix: bytes) -> bool:
     return prefix[:4] == b"DDS "
 
 

docs/handbook/image-file-formats.rst

@@ -1220,8 +1220,7 @@ using the general tags available through tiffinfo.
 WebP
 ^^^^
 
-Pillow reads and writes WebP files. The specifics of Pillow's capabilities with
+Pillow reads and writes WebP files. Requires libwebp v0.5.0 or later.
-this format are currently undocumented.
 
 .. _webp-saving:
 
@@ -1249,29 +1248,19 @@ The :py:meth:`~PIL.Image.Image.save` method supports the following options:
 **exact**
     If true, preserve the transparent RGB values. Otherwise, discard
     invisible RGB values for better compression. Defaults to false.
-    Requires libwebp 0.5.0 or later.
 
 **icc_profile**
-    The ICC Profile to include in the saved file. Only supported if
+    The ICC Profile to include in the saved file.
-    the system WebP library was built with webpmux support.
 
 **exif**
-    The exif data to include in the saved file. Only supported if
+    The exif data to include in the saved file.
-    the system WebP library was built with webpmux support.
 
 **xmp**
-    The XMP data to include in the saved file. Only supported if
+    The XMP data to include in the saved file.
-    the system WebP library was built with webpmux support.
 
 Saving sequences
 ~~~~~~~~~~~~~~~~
 
-.. note::
-
-    Support for animated WebP files will only be enabled if the system WebP
-    library is v0.5.0 or later. You can check webp animation support at
-    runtime by calling ``features.check("webp_anim")``.
-
 When calling :py:meth:`~PIL.Image.Image.save` to write a WebP file, by default
 only the first frame of a multiframe image will be saved. If the ``save_all``
 argument is present and true, then all frames will be saved, and the following
@@ -1528,19 +1517,21 @@ To add other read or write support, use
 :py:func:`PIL.WmfImagePlugin.register_handler` to register a WMF and EMF
 handler. ::
 
-    from PIL import Image
+    from typing import IO
+
+    from PIL import Image, ImageFile
     from PIL import WmfImagePlugin
 
 
-    class WmfHandler:
+    class WmfHandler(ImageFile.StubHandler):
-        def open(self, im):
+        def open(self, im: ImageFile.StubImageFile) -> None:
             ...
 
-        def load(self, im):
+        def load(self, im: ImageFile.StubImageFile) -> Image.Image:
             ...
             return image
 
-        def save(self, im, fp, filename):
+        def save(self, im: Image.Image, fp: IO[bytes], filename: str) -> None:
             ...
 
 

docs/handbook/tutorial.rst

@@ -186,7 +186,7 @@ Rolling an image
 
 ::
 
-    def roll(im, delta):
+    def roll(im: Image.Image, delta: int) -> Image.Image:
         """Roll an image sideways."""
         xsize, ysize = im.size
 
@@ -211,7 +211,7 @@ Merging images
 
 ::
 
-    def merge(im1, im2):
+    def merge(im1: Image.Image, im2: Image.Image) -> Image.Image:
         w = im1.size[0] + im2.size[0]
         h = max(im1.size[1], im2.size[1])
         im = Image.new("RGBA", (w, h))
@@ -704,7 +704,7 @@ in the current directory can be saved as JPEGs at reduced quality.
     import glob
     from PIL import Image
 
-    def compress_image(source_path, dest_path):
+    def compress_image(source_path: str, dest_path: str) -> None:
         with Image.open(source_path) as img:
             if img.mode != "RGB":
                 img = img.convert("RGB")

docs/handbook/writing-your-own-image-plugin.rst

@@ -53,7 +53,7 @@ true color.
     from PIL import Image, ImageFile
 
 
-    def _accept(prefix):
+    def _accept(prefix: bytes) -> bool:
         return prefix[:4] == b"SPAM"
 
 
@@ -62,7 +62,7 @@ true color.
         format = "SPAM"
         format_description = "Spam raster image"
 
-        def _open(self):
+        def _open(self) -> None:
 
             header = self.fp.read(128).split()
 
@@ -82,7 +82,7 @@ true color.
                 raise SyntaxError(msg)
 
             # data descriptor
-            self.tile = [("raw", (0, 0) + self.size, 128, (self.mode, 0, 1))]
+            self.tile = [ImageFile._Tile("raw", (0, 0) + self.size, 128, (self.mode, 0, 1))]
 
 
     Image.register_open(SpamImageFile.format, SpamImageFile, _accept)

docs/installation/building-from-source.rst

@@ -55,10 +55,6 @@ Many of Pillow's features require external libraries:
 
 * **libwebp** provides the WebP format.
 
-  * Pillow has been tested with version **0.1.3**, which does not read
-    transparent WebP files. Versions **0.3.0** and above support
-    transparency.
-
 * **openjpeg** provides JPEG 2000 functionality.
 
   * Pillow has been tested with openjpeg **2.0.0**, **2.1.0**, **2.3.1**,
@@ -275,18 +271,18 @@ Build Options
 
 * Config settings: ``-C zlib=disable``, ``-C jpeg=disable``,
   ``-C tiff=disable``, ``-C freetype=disable``, ``-C raqm=disable``,
-  ``-C lcms=disable``, ``-C webp=disable``, ``-C webpmux=disable``,
+  ``-C lcms=disable``, ``-C webp=disable``,
   ``-C jpeg2000=disable``, ``-C imagequant=disable``, ``-C xcb=disable``.
   Disable building the corresponding feature even if the development
   libraries are present on the building machine.
 
 * Config settings: ``-C zlib=enable``, ``-C jpeg=enable``,
   ``-C tiff=enable``, ``-C freetype=enable``, ``-C raqm=enable``,
-  ``-C lcms=enable``, ``-C webp=enable``, ``-C webpmux=enable``,
+  ``-C lcms=enable``, ``-C webp=enable``,
   ``-C jpeg2000=enable``, ``-C imagequant=enable``, ``-C xcb=enable``.
   Require that the corresponding feature is built. The build will raise
-  an exception if the libraries are not found. Webpmux (WebP metadata)
+  an exception if the libraries are not found. Tcl and Tk must be used
-  relies on WebP support. Tcl and Tk also must be used together.
+  together.
 
 * Config settings: ``-C raqm=vendor``, ``-C fribidi=vendor``.
   These flags are used to compile a modified version of libraqm and

docs/reference/Image.rst

@@ -362,6 +362,7 @@ Classes
     :undoc-members:
     :show-inheritance:
 .. autoclass:: PIL.Image.ImagePointHandler
+.. autoclass:: PIL.Image.ImagePointTransform
 .. autoclass:: PIL.Image.ImageTransformHandler
 
 Protocols

docs/reference/features.rst

@@ -54,12 +54,12 @@ Feature version numbers are available only where stated.
 Support for the following features can be checked:
 
 * ``libjpeg_turbo``: (compile time) Whether Pillow was compiled against the libjpeg-turbo version of libjpeg. Compile-time version number is available.
-* ``transp_webp``: Support for transparency in WebP images.
-* ``webp_mux``: (compile time) Support for EXIF data in WebP images.
-* ``webp_anim``: (compile time) Support for animated WebP images.
 * ``raqm``: Raqm library, required for ``ImageFont.Layout.RAQM`` in :py:func:`PIL.ImageFont.truetype`. Run-time version number is available for Raqm 0.7.0 or newer.
 * ``libimagequant``: (compile time) ImageQuant quantization support in :py:func:`PIL.Image.Image.quantize`. Run-time version number is available.
 * ``xcb``: (compile time) Support for X11 in :py:func:`PIL.ImageGrab.grab` via the XCB library.
+* ``transp_webp``: Deprecated. Always ``True`` if WebP module is installed.
+* ``webp_mux``: Deprecated. Always ``True`` if WebP module is installed.
+* ``webp_anim``: Deprecated. Always ``True`` if WebP module is installed.
 
 .. autofunction:: PIL.features.check_feature
 .. autofunction:: PIL.features.version_feature

docs/releasenotes/11.0.0.rst

@@ -58,6 +58,14 @@ JpegImageFile.huffman_ac and JpegImageFile.huffman_dc
 The ``huffman_ac`` and ``huffman_dc`` dictionaries on JPEG images were unused. They
 have been deprecated, and will be removed in Pillow 12 (2025-10-15).
 
+Specific WebP Feature Checks
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+``features.check("transp_webp")``, ``features.check("webp_mux")`` and
+``features.check("webp_anim")`` are now deprecated. They will always return
+``True`` if the WebP module is installed, until they are removed in Pillow
+12.0.0 (2025-10-15).
+
 API Changes
 ===========
 

pyproject.toml

@@ -109,7 +109,7 @@ lint.select = [
   "ISC",    # flake8-implicit-str-concat
   "LOG",    # flake8-logging
   "PGH",    # pygrep-hooks
-  "PT006",  # pytest-parametrize-names-wrong-type
+  "PT",     # flake8-pytest-style
   "PYI",    # flake8-pyi
   "RUF100", # unused noqa (yesqa)
   "UP",     # pyupgrade
@@ -121,6 +121,12 @@ lint.ignore = [
   "E221",   # Multiple spaces before operator
   "E226",   # Missing whitespace around arithmetic operator
   "E241",   # Multiple spaces after ','
+  "PT001",  # pytest-fixture-incorrect-parentheses-style
+  "PT007",  # pytest-parametrize-values-wrong-type
+  "PT011",  # pytest-raises-too-broad
+  "PT012",  # pytest-raises-with-multiple-statements
+  "PT016",  # pytest-fail-without-message
+  "PT017",  # pytest-assert-in-except
   "PYI026", # flake8-pyi: typing.TypeAlias added in Python 3.10
   "PYI034", # flake8-pyi: typing.Self added in Python 3.11
 ]
@@ -160,5 +166,4 @@ warn_unused_ignores = true
 exclude = [
   '^Tests/oss-fuzz/fuzz_font.py$',
   '^Tests/oss-fuzz/fuzz_pillow.py$',
-  '^Tests/test_qt_image_qapplication.py$',
 ]

setup.py

@@ -295,7 +295,6 @@ class pil_build_ext(build_ext):
             "raqm",
             "lcms",
             "webp",
-            "webpmux",
             "jpeg2000",
             "imagequant",
             "xcb",
@@ -794,28 +793,18 @@ class pil_build_ext(build_ext):
 
         if feature.want("webp"):
             _dbg("Looking for webp")
-            if _find_include_file(self, "webp/encode.h") and _find_include_file(
+            if all(
-                self, "webp/decode.h"
+                _find_include_file(self, "webp/" + include)
+                for include in ("encode.h", "decode.h", "mux.h", "demux.h")
             ):
-                # In Google's precompiled zip it is call "libwebp":
+                # In Google's precompiled zip it is called "libwebp"
-                if _find_library_file(self, "webp"):
+                for prefix in ("", "lib"):
-                    feature.webp = "webp"
+                    if all(
-                elif _find_library_file(self, "libwebp"):
+                        _find_library_file(self, prefix + library)
-                    feature.webp = "libwebp"
+                        for library in ("webp", "webpmux", "webpdemux")
-
-        if feature.want("webpmux"):
-            _dbg("Looking for webpmux")
-            if _find_include_file(self, "webp/mux.h") and _find_include_file(
-                self, "webp/demux.h"
                     ):
-                if _find_library_file(self, "webpmux") and _find_library_file(
+                        feature.webp = prefix + "webp"
-                    self, "webpdemux"
+                        break
-                ):
-                    feature.webpmux = "webpmux"
-                if _find_library_file(self, "libwebpmux") and _find_library_file(
-                    self, "libwebpdemux"
-                ):
-                    feature.webpmux = "libwebpmux"
 
         if feature.want("xcb"):
             _dbg("Looking for xcb")
@@ -904,15 +893,8 @@ class pil_build_ext(build_ext):
             self._remove_extension("PIL._imagingcms")
 
         if feature.webp:
-            libs = [feature.webp]
+            libs = [feature.webp, feature.webp + "mux", feature.webp + "demux"]
-            defs = []
+            self._update_extension("PIL._webp", libs)
-
-            if feature.webpmux:
-                defs.append(("HAVE_WEBPMUX", None))
-                libs.append(feature.webpmux)
-                libs.append(feature.webpmux.replace("pmux", "pdemux"))
-
-            self._update_extension("PIL._webp", libs, defs)
         else:
             self._remove_extension("PIL._webp")
 
@@ -953,7 +935,6 @@ class pil_build_ext(build_ext):
             (feature.raqm, "RAQM (Text shaping)", raqm_extra_info),
             (feature.lcms, "LITTLECMS2"),
             (feature.webp, "WEBP"),
-            (feature.webpmux, "WEBPMUX"),
             (feature.xcb, "XCB (X protocol)"),
         ]
 

src/PIL/BlpImagePlugin.py

@@ -478,7 +478,7 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
         fp.write(struct.pack("<i", 5))
         fp.write(struct.pack("<i", 0))
 
-    ImageFile._save(im, fp, [("BLP", (0, 0) + im.size, 0, im.mode)])
+    ImageFile._save(im, fp, [ImageFile._Tile("BLP", (0, 0) + im.size, 0, im.mode)])
 
 
 Image.register_open(BlpImageFile.format, BlpImageFile, _accept)

src/PIL/BmpImagePlugin.py

@@ -484,7 +484,9 @@ def _save(
     if palette:
         fp.write(palette)
 
-    ImageFile._save(im, fp, [("raw", (0, 0) + im.size, 0, (rawmode, stride, -1))])
+    ImageFile._save(
+        im, fp, [ImageFile._Tile("raw", (0, 0) + im.size, 0, (rawmode, stride, -1))]
+    )
 
 
 #

src/PIL/EpsImagePlugin.py

@@ -433,7 +433,7 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes, eps: int = 1) -
     if hasattr(fp, "flush"):
         fp.flush()
 
-    ImageFile._save(im, fp, [("eps", (0, 0) + im.size, 0, None)])
+    ImageFile._save(im, fp, [ImageFile._Tile("eps", (0, 0) + im.size, 0, None)])
 
     fp.write(b"\n%%%%EndBinary\n")
     fp.write(b"grestore end\n")

src/PIL/GifImagePlugin.py

@@ -601,7 +601,9 @@ def _write_single_frame(
     _write_local_header(fp, im, (0, 0), flags)
 
     im_out.encoderconfig = (8, get_interlace(im))
-    ImageFile._save(im_out, fp, [("gif", (0, 0) + im.size, 0, RAWMODE[im_out.mode])])
+    ImageFile._save(
+        im_out, fp, [ImageFile._Tile("gif", (0, 0) + im.size, 0, RAWMODE[im_out.mode])]
+    )
 
     fp.write(b"\0")  # end of image data
 
@@ -1069,7 +1071,9 @@ def _write_frame_data(
         _write_local_header(fp, im_frame, offset, 0)
 
         ImageFile._save(
-            im_frame, fp, [("gif", (0, 0) + im_frame.size, 0, RAWMODE[im_frame.mode])]
+            im_frame,
+            fp,
+            [ImageFile._Tile("gif", (0, 0) + im_frame.size, 0, RAWMODE[im_frame.mode])],
         )
 
         fp.write(b"\0")  # end of image data

src/PIL/IcoImagePlugin.py

@@ -97,7 +97,9 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
             if bits != 32:
                 and_mask = Image.new("1", size)
                 ImageFile._save(
-                    and_mask, image_io, [("raw", (0, 0) + size, 0, ("1", 0, -1))]
+                    and_mask,
+                    image_io,
+                    [ImageFile._Tile("raw", (0, 0) + size, 0, ("1", 0, -1))],
                 )
         else:
             frame.save(image_io, "png")
@@ -317,11 +319,11 @@ class IcoImageFile(ImageFile.ImageFile):
         self.load()
 
     @property
-    def size(self):
+    def size(self) -> tuple[int, int]:
         return self._size
 
     @size.setter
-    def size(self, value):
+    def size(self, value: tuple[int, int]) -> None:
         if value not in self.info["sizes"]:
             msg = "This is not one of the allowed sizes of this image"
             raise ValueError(msg)

src/PIL/ImImagePlugin.py

@@ -360,7 +360,9 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
             palette += im_palette[colors * i : colors * (i + 1)]
             palette += b"\x00" * (256 - colors)
         fp.write(palette)  # 768 bytes
-    ImageFile._save(im, fp, [("raw", (0, 0) + im.size, 0, (rawmode, 0, -1))])
+    ImageFile._save(
+        im, fp, [ImageFile._Tile("raw", (0, 0) + im.size, 0, (rawmode, 0, -1))]
+    )
 
 
 #

src/PIL/Image.py

@@ -218,9 +218,12 @@ if hasattr(core, "DEFAULT_STRATEGY"):
 # Registries
 
 if TYPE_CHECKING:
+    import mmap
     from xml.etree.ElementTree import Element
 
-    from . import ImageFile, ImagePalette, TiffImagePlugin
+    from IPython.lib.pretty import PrettyPrinter
+
+    from . import ImageFile, ImageFilter, ImagePalette, ImageQt, TiffImagePlugin
     from ._typing import NumpyArray, StrOrBytesPath, TypeGuard
 ID: list[str] = []
 OPEN: dict[
@@ -467,43 +470,53 @@ def _getencoder(
 # Simple expression analyzer
 
 
-class _E:
+class ImagePointTransform:
+    """
+    Used with :py:meth:`~PIL.Image.Image.point` for single band images with more than
+    8 bits, this represents an affine transformation, where the value is multiplied by
+    ``scale`` and ``offset`` is added.
+    """
+
     def __init__(self, scale: float, offset: float) -> None:
         self.scale = scale
         self.offset = offset
 
-    def __neg__(self) -> _E:
+    def __neg__(self) -> ImagePointTransform:
-        return _E(-self.scale, -self.offset)
+        return ImagePointTransform(-self.scale, -self.offset)
 
-    def __add__(self, other: _E | float) -> _E:
+    def __add__(self, other: ImagePointTransform | float) -> ImagePointTransform:
-        if isinstance(other, _E):
+        if isinstance(other, ImagePointTransform):
-            return _E(self.scale + other.scale, self.offset + other.offset)
+            return ImagePointTransform(
-        return _E(self.scale, self.offset + other)
+                self.scale + other.scale, self.offset + other.offset
+            )
+        return ImagePointTransform(self.scale, self.offset + other)
 
     __radd__ = __add__
 
-    def __sub__(self, other: _E | float) -> _E:
+    def __sub__(self, other: ImagePointTransform | float) -> ImagePointTransform:
         return self + -other
 
-    def __rsub__(self, other: _E | float) -> _E:
+    def __rsub__(self, other: ImagePointTransform | float) -> ImagePointTransform:
         return other + -self
 
-    def __mul__(self, other: _E | float) -> _E:
+    def __mul__(self, other: ImagePointTransform | float) -> ImagePointTransform:
-        if isinstance(other, _E):
+        if isinstance(other, ImagePointTransform):
             return NotImplemented
-        return _E(self.scale * other, self.offset * other)
+        return ImagePointTransform(self.scale * other, self.offset * other)
 
     __rmul__ = __mul__
 
-    def __truediv__(self, other: _E | float) -> _E:
+    def __truediv__(self, other: ImagePointTransform | float) -> ImagePointTransform:
-        if isinstance(other, _E):
+        if isinstance(other, ImagePointTransform):
             return NotImplemented
-        return _E(self.scale / other, self.offset / other)
+        return ImagePointTransform(self.scale / other, self.offset / other)
 
 
-def _getscaleoffset(expr) -> tuple[float, float]:
+def _getscaleoffset(
-    a = expr(_E(1, 0))
+    expr: Callable[[ImagePointTransform], ImagePointTransform | float]
-    return (a.scale, a.offset) if isinstance(a, _E) else (0, a)
+) -> tuple[float, float]:
+    a = expr(ImagePointTransform(1, 0))
+    return (a.scale, a.offset) if isinstance(a, ImagePointTransform) else (0, a)
 
 
 # --------------------------------------------------------------------
@@ -623,7 +636,7 @@ class Image:
                 logger.debug("Error closing: %s", msg)
 
         if getattr(self, "map", None):
-            self.map = None
+            self.map: mmap.mmap | None = None
 
         # Instead of simply setting to None, we're setting up a
         # deferred error that will better explain that the core image
@@ -687,7 +700,7 @@ class Image:
             id(self),
         )
 
-    def _repr_pretty_(self, p, cycle: bool) -> None:
+    def _repr_pretty_(self, p: PrettyPrinter, cycle: bool) -> None:
         """IPython plain text display support"""
 
         # Same as __repr__ but without unpredictable id(self),
@@ -734,24 +747,12 @@ class Image:
     def __array_interface__(self) -> dict[str, str | bytes | int | tuple[int, ...]]:
         # numpy array interface support
         new: dict[str, str | bytes | int | tuple[int, ...]] = {"version": 3}
-        try:
         if self.mode == "1":
             # Binary images need to be extended from bits to bytes
             # See: https://github.com/python-pillow/Pillow/issues/350
             new["data"] = self.tobytes("raw", "L")
         else:
             new["data"] = self.tobytes()
-        except Exception as e:
-            if not isinstance(e, (MemoryError, RecursionError)):
-                try:
-                    import numpy
-                    from packaging.version import parse as parse_version
-                except ImportError:
-                    pass
-                else:
-                    if parse_version(numpy.__version__) < parse_version("1.23"):
-                        warnings.warn(str(e))
-            raise
         new["shape"], new["typestr"] = _conv_type_shape(self)
         return new
 
@@ -1352,9 +1353,6 @@ class Image:
         self.load()
         return self._new(self.im.expand(xmargin, ymargin))
 
-    if TYPE_CHECKING:
-        from . import ImageFilter
-
     def filter(self, filter: ImageFilter.Filter | type[ImageFilter.Filter]) -> Image:
         """
         Filters this image using the given filter.  For a list of
@@ -1918,7 +1916,13 @@ class Image:
 
     def point(
         self,
-        lut: Sequence[float] | NumpyArray | Callable[[int], float] | ImagePointHandler,
+        lut: (
+            Sequence[float]
+            | NumpyArray
+            | Callable[[int], float]
+            | Callable[[ImagePointTransform], ImagePointTransform | float]
+            | ImagePointHandler
+        ),
         mode: str | None = None,
     ) -> Image:
         """
@@ -1935,7 +1939,7 @@ class Image:
            object::
 
                class Example(Image.ImagePointHandler):
-                 def point(self, data):
+                 def point(self, im: Image) -> Image:
                    # Return result
         :param mode: Output mode (default is same as input). This can only be used if
            the source image has mode "L" or "P", and the output has mode "1" or the
@@ -1954,10 +1958,10 @@ class Image:
                 # check if the function can be used with point_transform
                 # UNDONE wiredfool -- I think this prevents us from ever doing
                 # a gamma function point transform on > 8bit images.
-                scale, offset = _getscaleoffset(lut)
+                scale, offset = _getscaleoffset(lut)  # type: ignore[arg-type]
                 return self._new(self.im.point_transform(scale, offset))
             # for other modes, convert the function to a table
-            flatLut = [lut(i) for i in range(256)] * self.im.bands
+            flatLut = [lut(i) for i in range(256)] * self.im.bands  # type: ignore[arg-type]
         else:
             flatLut = lut
 
@@ -2894,11 +2898,11 @@ class Image:
         self,
         box: tuple[int, int, int, int],
         image: Image,
-        method,
+        method: Transform,
-        data,
+        data: Sequence[float],
         resample: int = Resampling.NEAREST,
         fill: bool = True,
-    ):
+    ) -> None:
         w = box[2] - box[0]
         h = box[3] - box[1]
 
@@ -2999,7 +3003,7 @@ class Image:
         self.load()
         return self._new(self.im.effect_spread(distance))
 
-    def toqimage(self):
+    def toqimage(self) -> ImageQt.ImageQt:
         """Returns a QImage copy of this image"""
         from . import ImageQt
 
@@ -3008,7 +3012,7 @@ class Image:
             raise ImportError(msg)
         return ImageQt.toqimage(self)
 
-    def toqpixmap(self):
+    def toqpixmap(self) -> ImageQt.QPixmap:
         """Returns a QPixmap copy of this image"""
         from . import ImageQt
 
@@ -3335,7 +3339,7 @@ def fromarray(obj: SupportsArrayInterface, mode: str | None = None) -> Image:
     return frombuffer(mode, size, obj, "raw", rawmode, 0, 1)
 
 
-def fromqimage(im) -> ImageFile.ImageFile:
+def fromqimage(im: ImageQt.QImage) -> ImageFile.ImageFile:
     """Creates an image instance from a QImage image"""
     from . import ImageQt
 
@@ -3345,7 +3349,7 @@ def fromqimage(im) -> ImageFile.ImageFile:
     return ImageQt.fromqimage(im)
 
 
-def fromqpixmap(im) -> ImageFile.ImageFile:
+def fromqpixmap(im: ImageQt.QPixmap) -> ImageFile.ImageFile:
     """Creates an image instance from a QPixmap image"""
     from . import ImageQt
 
@@ -4033,15 +4037,19 @@ class Exif(_ExifBase):
             ifd[tag] = value
         return b"Exif\x00\x00" + head + ifd.tobytes(offset)
 
-    def get_ifd(self, tag):
+    def get_ifd(self, tag: int) -> dict[int, Any]:
         if tag not in self._ifds:
             if tag == ExifTags.IFD.IFD1:
                 if self._info is not None and self._info.next != 0:
-                    self._ifds[tag] = self._get_ifd_dict(self._info.next)
+                    ifd = self._get_ifd_dict(self._info.next)
+                    if ifd is not None:
+                        self._ifds[tag] = ifd
             elif tag in [ExifTags.IFD.Exif, ExifTags.IFD.GPSInfo]:
                 offset = self._hidden_data.get(tag, self.get(tag))
                 if offset is not None:
-                    self._ifds[tag] = self._get_ifd_dict(offset, tag)
+                    ifd = self._get_ifd_dict(offset, tag)
+                    if ifd is not None:
+                        self._ifds[tag] = ifd
             elif tag in [ExifTags.IFD.Interop, ExifTags.IFD.Makernote]:
                 if ExifTags.IFD.Exif not in self._ifds:
                     self.get_ifd(ExifTags.IFD.Exif)
@@ -4098,7 +4106,9 @@ class Exif(_ExifBase):
                                 (offset,) = struct.unpack(">L", data)
                                 self.fp.seek(offset)
 
-                                camerainfo = {"ModelID": self.fp.read(4)}
+                                camerainfo: dict[str, int | bytes] = {
+                                    "ModelID": self.fp.read(4)
+                                }
 
                                 self.fp.read(4)
                                 # Seconds since 2000
@@ -4114,16 +4124,18 @@ class Exif(_ExifBase):
                                 ][1]
                                 camerainfo["Parallax"] = handler(
                                     ImageFileDirectory_v2(), parallax, False
-                                )
+                                )[0]
 
                                 self.fp.read(4)
                                 camerainfo["Category"] = self.fp.read(2)
 
-                                makernote = {0x1101: dict(self._fixup_dict(camerainfo))}
+                                makernote = {0x1101: camerainfo}
                         self._ifds[tag] = makernote
                 else:
                     # Interop
-                    self._ifds[tag] = self._get_ifd_dict(tag_data, tag)
+                    ifd = self._get_ifd_dict(tag_data, tag)
+                    if ifd is not None:
+                        self._ifds[tag] = ifd
         ifd = self._ifds.get(tag, {})
         if tag == ExifTags.IFD.Exif and self._hidden_data:
             ifd = {

src/PIL/ImageDraw.py

@@ -504,7 +504,7 @@ class ImageDraw:
 
             if full_x:
                 self.draw.draw_rectangle((x0, y0 + r + 1, x1, y1 - r - 1), fill_ink, 1)
-            else:
+            elif x1 - r - 1 > x0 + r + 1:
                 self.draw.draw_rectangle((x0 + r + 1, y0, x1 - r - 1, y1), fill_ink, 1)
             if not full_x and not full_y:
                 left = [x0, y0, x0 + r, y1]

src/PIL/ImageFile.py

@@ -31,6 +31,7 @@ from __future__ import annotations
 import abc
 import io
 import itertools
+import os
 import struct
 import sys
 from typing import IO, Any, NamedTuple
@@ -93,7 +94,7 @@ def _tilesort(t: _Tile) -> int:
 
 class _Tile(NamedTuple):
     codec_name: str
-    extents: tuple[int, int, int, int]
+    extents: tuple[int, int, int, int] | None
     offset: int
     args: tuple[Any, ...] | str | None
 
@@ -174,7 +175,7 @@ class ImageFile(Image.Image):
             self.fp.close()
         self.fp = None
 
-    def load(self):
+    def load(self) -> Image.core.PixelAccess | None:
         """Load image data based on tile list"""
 
         if self.tile is None:
@@ -185,7 +186,7 @@ class ImageFile(Image.Image):
         if not self.tile:
             return pixel
 
-        self.map = None
+        self.map: mmap.mmap | None = None
         use_mmap = self.filename and len(self.tile) == 1
         # As of pypy 2.1.0, memory mapping was failing here.
         use_mmap = use_mmap and not hasattr(sys, "pypy_version_info")
@@ -193,17 +194,17 @@ class ImageFile(Image.Image):
         readonly = 0
 
         # look for read/seek overrides
-        try:
+        if hasattr(self, "load_read"):
             read = self.load_read
             # don't use mmap if there are custom read/seek functions
             use_mmap = False
-        except AttributeError:
+        else:
             read = self.fp.read
 
-        try:
+        if hasattr(self, "load_seek"):
             seek = self.load_seek
             use_mmap = False
-        except AttributeError:
+        else:
             seek = self.fp.seek
 
         if use_mmap:
@@ -243,11 +244,8 @@ class ImageFile(Image.Image):
             # sort tiles in file order
             self.tile.sort(key=_tilesort)
 
-            try:
             # FIXME: This is a hack to handle TIFF's JpegTables tag.
-                prefix = self.tile_prefix
+            prefix = getattr(self, "tile_prefix", b"")
-            except AttributeError:
-                prefix = b""
 
             # Remove consecutive duplicates that only differ by their offset
             self.tile = [
@@ -525,7 +523,7 @@ class Parser:
 # --------------------------------------------------------------------
 
 
-def _save(im: Image.Image, fp: IO[bytes], tile, bufsize: int = 0) -> None:
+def _save(im: Image.Image, fp: IO[bytes], tile: list[_Tile], bufsize: int = 0) -> None:
     """Helper to save image based on tile list
 
     :param im: Image object.
@@ -558,7 +556,7 @@ def _encode_tile(
     fp: IO[bytes],
     tile: list[_Tile],
     bufsize: int,
-    fh,
+    fh: int | None,
     exc: BaseException | None = None,
 ) -> None:
     for encoder_name, extents, offset, args in tile:
@@ -580,6 +578,7 @@ def _encode_tile(
                             break
                 else:
                     # slight speedup: compress to real file object
+                    assert fh is not None
                     errcode = encoder.encode_to_file(fh, bufsize)
             if errcode < 0:
                 raise _get_oserror(errcode, encoder=True) from exc
@@ -804,7 +803,7 @@ class PyEncoder(PyCodec):
             self.fd.write(data)
         return bytes_consumed, errcode
 
-    def encode_to_file(self, fh: IO[bytes], bufsize: int) -> int:
+    def encode_to_file(self, fh: int, bufsize: int) -> int:
         """
         :param fh: File handle.
         :param bufsize: Buffer size.
@@ -817,5 +816,5 @@ class PyEncoder(PyCodec):
         while errcode == 0:
             status, errcode, buf = self.encode(bufsize)
             if status > 0:
-                fh.write(buf[status:])
+                os.write(fh, buf[status:])
         return errcode

src/PIL/ImageQt.py

@@ -19,14 +19,23 @@ from __future__ import annotations
 
 import sys
 from io import BytesIO
-from typing import TYPE_CHECKING, Callable
+from typing import TYPE_CHECKING, Any, Callable, Union
 
 from . import Image
 from ._util import is_path
 
 if TYPE_CHECKING:
+    import PyQt6
+    import PySide6
+
     from . import ImageFile
 
+    QBuffer: type
+    QByteArray = Union[PyQt6.QtCore.QByteArray, PySide6.QtCore.QByteArray]
+    QIODevice = Union[PyQt6.QtCore.QIODevice, PySide6.QtCore.QIODevice]
+    QImage = Union[PyQt6.QtGui.QImage, PySide6.QtGui.QImage]
+    QPixmap = Union[PyQt6.QtGui.QPixmap, PySide6.QtGui.QPixmap]
+
 qt_version: str | None
 qt_versions = [
     ["6", "PyQt6"],
@@ -37,10 +46,6 @@ qt_versions = [
 qt_versions.sort(key=lambda version: version[1] in sys.modules, reverse=True)
 for version, qt_module in qt_versions:
     try:
-        QBuffer: type
-        QIODevice: type
-        QImage: type
-        QPixmap: type
         qRgba: Callable[[int, int, int, int], int]
         if qt_module == "PyQt6":
             from PyQt6.QtCore import QBuffer, QIODevice
@@ -65,19 +70,20 @@ def rgb(r: int, g: int, b: int, a: int = 255) -> int:
     return qRgba(r, g, b, a) & 0xFFFFFFFF
 
 
-def fromqimage(im):
+def fromqimage(im: QImage | QPixmap) -> ImageFile.ImageFile:
     """
     :param im: QImage or PIL ImageQt object
     """
     buffer = QBuffer()
+    qt_openmode: object
     if qt_version == "6":
         try:
-            qt_openmode = QIODevice.OpenModeFlag
+            qt_openmode = getattr(QIODevice, "OpenModeFlag")
         except AttributeError:
-            qt_openmode = QIODevice.OpenMode
+            qt_openmode = getattr(QIODevice, "OpenMode")
     else:
         qt_openmode = QIODevice
-    buffer.open(qt_openmode.ReadWrite)
+    buffer.open(getattr(qt_openmode, "ReadWrite"))
     # preserve alpha channel with png
     # otherwise ppm is more friendly with Image.open
     if im.hasAlphaChannel():
@@ -93,7 +99,7 @@ def fromqimage(im):
     return Image.open(b)
 
 
-def fromqpixmap(im) -> ImageFile.ImageFile:
+def fromqpixmap(im: QPixmap) -> ImageFile.ImageFile:
     return fromqimage(im)
 
 
@@ -123,7 +129,7 @@ def align8to32(bytes: bytes, width: int, mode: str) -> bytes:
     return b"".join(new_data)
 
 
-def _toqclass_helper(im):
+def _toqclass_helper(im: Image.Image | str | QByteArray) -> dict[str, Any]:
     data = None
     colortable = None
     exclusive_fp = False
@@ -135,30 +141,32 @@ def _toqclass_helper(im):
     if is_path(im):
         im = Image.open(im)
         exclusive_fp = True
+    assert isinstance(im, Image.Image)
 
-    qt_format = QImage.Format if qt_version == "6" else QImage
+    qt_format = getattr(QImage, "Format") if qt_version == "6" else QImage
     if im.mode == "1":
-        format = qt_format.Format_Mono
+        format = getattr(qt_format, "Format_Mono")
     elif im.mode == "L":
-        format = qt_format.Format_Indexed8
+        format = getattr(qt_format, "Format_Indexed8")
         colortable = [rgb(i, i, i) for i in range(256)]
     elif im.mode == "P":
-        format = qt_format.Format_Indexed8
+        format = getattr(qt_format, "Format_Indexed8")
         palette = im.getpalette()
+        assert palette is not None
         colortable = [rgb(*palette[i : i + 3]) for i in range(0, len(palette), 3)]
     elif im.mode == "RGB":
         # Populate the 4th channel with 255
         im = im.convert("RGBA")
 
         data = im.tobytes("raw", "BGRA")
-        format = qt_format.Format_RGB32
+        format = getattr(qt_format, "Format_RGB32")
     elif im.mode == "RGBA":
         data = im.tobytes("raw", "BGRA")
-        format = qt_format.Format_ARGB32
+        format = getattr(qt_format, "Format_ARGB32")
     elif im.mode == "I;16":
         im = im.point(lambda i: i * 256)
 
-        format = qt_format.Format_Grayscale16
+        format = getattr(qt_format, "Format_Grayscale16")
     else:
         if exclusive_fp:
             im.close()
@@ -174,8 +182,8 @@ def _toqclass_helper(im):
 
 if qt_is_installed:
 
-    class ImageQt(QImage):
+    class ImageQt(QImage):  # type: ignore[misc]
-        def __init__(self, im) -> None:
+        def __init__(self, im: Image.Image | str | QByteArray) -> None:
             """
             An PIL image wrapper for Qt.  This is a subclass of PyQt's QImage
             class.
@@ -199,10 +207,10 @@ if qt_is_installed:
                 self.setColorTable(im_data["colortable"])
 
 
-def toqimage(im) -> ImageQt:
+def toqimage(im: Image.Image | str | QByteArray) -> ImageQt:
     return ImageQt(im)
 
 
-def toqpixmap(im):
+def toqpixmap(im: Image.Image | str | QByteArray) -> QPixmap:
     qimage = toqimage(im)
-    return QPixmap.fromImage(qimage)
+    return getattr(QPixmap, "fromImage")(qimage)

src/PIL/IptcImagePlugin.py

@@ -217,8 +217,8 @@ def getiptcinfo(
         # get raw data from the IPTC/NAA tag (PhotoShop tags the data
         # as 4-byte integers, so we cannot use the get method...)
         try:
-            data = im.tag.tagdata[TiffImagePlugin.IPTC_NAA_CHUNK]
+            data = im.tag_v2[TiffImagePlugin.IPTC_NAA_CHUNK]
-        except (AttributeError, KeyError):
+        except KeyError:
             pass
 
     if data is None:

src/PIL/Jpeg2KImagePlugin.py

@@ -419,7 +419,7 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
         plt,
     )
 
-    ImageFile._save(im, fp, [("jpeg2k", (0, 0) + im.size, 0, kind)])
+    ImageFile._save(im, fp, [ImageFile._Tile("jpeg2k", (0, 0) + im.size, 0, kind)])
 
 
 # ------------------------------------------------------------

src/PIL/JpegImagePlugin.py

@@ -826,7 +826,9 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
         # Ensure that our buffer is big enough. Same with the icc_profile block.
         bufsize = max(bufsize, len(exif) + 5, len(extra) + 1)
 
-    ImageFile._save(im, fp, [("jpeg", (0, 0) + im.size, 0, rawmode)], bufsize)
+    ImageFile._save(
+        im, fp, [ImageFile._Tile("jpeg", (0, 0) + im.size, 0, rawmode)], bufsize
+    )
 
 
 def _save_cjpeg(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:

src/PIL/MspImagePlugin.py

@@ -188,7 +188,7 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
         fp.write(o16(h))
 
     # image body
-    ImageFile._save(im, fp, [("raw", (0, 0) + im.size, 32, ("1", 0, 1))])
+    ImageFile._save(im, fp, [ImageFile._Tile("raw", (0, 0) + im.size, 32, ("1", 0, 1))])
 
 
 #

src/PIL/PSDraw.py

@@ -17,7 +17,7 @@
 from __future__ import annotations
 
 import sys
-from typing import TYPE_CHECKING
+from typing import IO, TYPE_CHECKING
 
 from . import EpsImagePlugin
 
@@ -28,15 +28,12 @@ from . import EpsImagePlugin
 class PSDraw:
     """
     Sets up printing to the given file. If ``fp`` is omitted,
-    ``sys.stdout.buffer`` or ``sys.stdout`` is assumed.
+    ``sys.stdout.buffer`` is assumed.
     """
 
-    def __init__(self, fp=None):
+    def __init__(self, fp: IO[bytes] | None = None) -> None:
         if not fp:
-            try:
             fp = sys.stdout.buffer
-            except AttributeError:
-                fp = sys.stdout
         self.fp = fp
 
     def begin_document(self, id: str | None = None) -> None:

src/PIL/PalmImagePlugin.py

@@ -214,7 +214,9 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
                 )
 
     # now convert data to raw form
-    ImageFile._save(im, fp, [("raw", (0, 0) + im.size, 0, (rawmode, rowbytes, 1))])
+    ImageFile._save(
+        im, fp, [ImageFile._Tile("raw", (0, 0) + im.size, 0, (rawmode, rowbytes, 1))]
+    )
 
     if hasattr(fp, "flush"):
         fp.flush()

src/PIL/PcxImagePlugin.py

@@ -198,7 +198,9 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
 
     assert fp.tell() == 128
 
-    ImageFile._save(im, fp, [("pcx", (0, 0) + im.size, 0, (rawmode, bits * planes))])
+    ImageFile._save(
+        im, fp, [ImageFile._Tile("pcx", (0, 0) + im.size, 0, (rawmode, bits * planes))]
+    )
 
     if im.mode == "P":
         # colour palette

src/PIL/PdfImagePlugin.py

@@ -138,7 +138,7 @@ def _write_image(
     op = io.BytesIO()
 
     if decode_filter == "ASCIIHexDecode":
-        ImageFile._save(im, op, [("hex", (0, 0) + im.size, 0, im.mode)])
+        ImageFile._save(im, op, [ImageFile._Tile("hex", (0, 0) + im.size, 0, im.mode)])
     elif decode_filter == "CCITTFaxDecode":
         im.save(
             op,

src/PIL/PngImagePlugin.py

@@ -1229,7 +1229,7 @@ def _write_multiple_frames(
         ImageFile._save(
             im,
             cast(IO[bytes], _idat(fp, chunk)),
-            [("zip", (0, 0) + im.size, 0, rawmode)],
+            [ImageFile._Tile("zip", (0, 0) + im.size, 0, rawmode)],
         )
 
     seq_num = 0
@@ -1266,14 +1266,14 @@ def _write_multiple_frames(
             ImageFile._save(
                 im_frame,
                 cast(IO[bytes], _idat(fp, chunk)),
-                [("zip", (0, 0) + im_frame.size, 0, rawmode)],
+                [ImageFile._Tile("zip", (0, 0) + im_frame.size, 0, rawmode)],
             )
         else:
             fdat_chunks = _fdat(fp, chunk, seq_num)
             ImageFile._save(
                 im_frame,
                 cast(IO[bytes], fdat_chunks),
-                [("zip", (0, 0) + im_frame.size, 0, rawmode)],
+                [ImageFile._Tile("zip", (0, 0) + im_frame.size, 0, rawmode)],
             )
             seq_num = fdat_chunks.seq_num
     return None
@@ -1474,7 +1474,7 @@ def _save(
         ImageFile._save(
             single_im,
             cast(IO[bytes], _idat(fp, chunk)),
-            [("zip", (0, 0) + single_im.size, 0, rawmode)],
+            [ImageFile._Tile("zip", (0, 0) + single_im.size, 0, rawmode)],
         )
 
     if info:

src/PIL/PpmImagePlugin.py

@@ -353,7 +353,9 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
     elif head == b"Pf":
         fp.write(b"-1.0\n")
     row_order = -1 if im.mode == "F" else 1
-    ImageFile._save(im, fp, [("raw", (0, 0) + im.size, 0, (rawmode, 0, row_order))])
+    ImageFile._save(
+        im, fp, [ImageFile._Tile("raw", (0, 0) + im.size, 0, (rawmode, 0, row_order))]
+    )
 
 
 #

src/PIL/SpiderImagePlugin.py

@@ -278,7 +278,9 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
     fp.writelines(hdr)
 
     rawmode = "F;32NF"  # 32-bit native floating point
-    ImageFile._save(im, fp, [("raw", (0, 0) + im.size, 0, (rawmode, 0, 1))])
+    ImageFile._save(
+        im, fp, [ImageFile._Tile("raw", (0, 0) + im.size, 0, (rawmode, 0, 1))]
+    )
 
 
 def _save_spider(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:

src/PIL/TgaImagePlugin.py

@@ -236,11 +236,15 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
 
     if rle:
         ImageFile._save(
-            im, fp, [("tga_rle", (0, 0) + im.size, 0, (rawmode, orientation))]
+            im,
+            fp,
+            [ImageFile._Tile("tga_rle", (0, 0) + im.size, 0, (rawmode, orientation))],
         )
     else:
         ImageFile._save(
-            im, fp, [("raw", (0, 0) + im.size, 0, (rawmode, 0, orientation))]
+            im,
+            fp,
+            [ImageFile._Tile("raw", (0, 0) + im.size, 0, (rawmode, 0, orientation))],
         )
 
     # write targa version 2 footer

src/PIL/TiffImagePlugin.py

@@ -259,6 +259,7 @@ OPEN_INFO = {
     (II, 5, (1,), 1, (8, 8, 8, 8, 8, 8), (0, 0)): ("CMYK", "CMYKXX"),
     (MM, 5, (1,), 1, (8, 8, 8, 8, 8, 8), (0, 0)): ("CMYK", "CMYKXX"),
     (II, 5, (1,), 1, (16, 16, 16, 16), ()): ("CMYK", "CMYK;16L"),
+    (MM, 5, (1,), 1, (16, 16, 16, 16), ()): ("CMYK", "CMYK;16B"),
     (II, 6, (1,), 1, (8,), ()): ("L", "L"),
     (MM, 6, (1,), 1, (8,), ()): ("L", "L"),
     # JPEG compressed images handled by LibTiff and auto-converted to RGBX
@@ -455,8 +456,11 @@ class IFDRational(Rational):
         __int__ = _delegate("__int__")
 
 
-def _register_loader(idx: int, size: int):
+_LoaderFunc = Callable[["ImageFileDirectory_v2", bytes, bool], Any]
-    def decorator(func):
+
+
+def _register_loader(idx: int, size: int) -> Callable[[_LoaderFunc], _LoaderFunc]:
+    def decorator(func: _LoaderFunc) -> _LoaderFunc:
         from .TiffTags import TYPES
 
         if func.__name__.startswith("load_"):
@@ -481,12 +485,13 @@ def _register_basic(idx_fmt_name: tuple[int, str, str]) -> None:
     idx, fmt, name = idx_fmt_name
     TYPES[idx] = name
     size = struct.calcsize(f"={fmt}")
-    _load_dispatch[idx] = (  # noqa: F821
+
-        size,
+    def basic_handler(
-        lambda self, data, legacy_api=True: (
+        self: ImageFileDirectory_v2, data: bytes, legacy_api: bool = True
-            self._unpack(f"{len(data) // size}{fmt}", data)
+    ) -> tuple[Any, ...]:
-        ),
+        return self._unpack(f"{len(data) // size}{fmt}", data)
-    )
+
+    _load_dispatch[idx] = size, basic_handler  # noqa: F821
     _write_dispatch[idx] = lambda self, *values: (  # noqa: F821
         b"".join(self._pack(fmt, value) for value in values)
     )
@@ -559,7 +564,7 @@ class ImageFileDirectory_v2(_IFDv2Base):
 
     """
 
-    _load_dispatch: dict[int, Callable[[ImageFileDirectory_v2, bytes, bool], Any]] = {}
+    _load_dispatch: dict[int, tuple[int, _LoaderFunc]] = {}
     _write_dispatch: dict[int, Callable[..., Any]] = {}
 
     def __init__(
@@ -619,12 +624,12 @@ class ImageFileDirectory_v2(_IFDv2Base):
         self._tagdata: dict[int, bytes] = {}
         self.tagtype = {}  # added 2008-06-05 by Florian Hoech
         self._next = None
-        self._offset = None
+        self._offset: int | None = None
 
     def __str__(self) -> str:
         return str(dict(self))
 
-    def named(self):
+    def named(self) -> dict[str, Any]:
         """
         :returns: dict of name|key: value
 
@@ -638,7 +643,7 @@ class ImageFileDirectory_v2(_IFDv2Base):
     def __len__(self) -> int:
         return len(set(self._tagdata) | set(self._tags_v2))
 
-    def __getitem__(self, tag):
+    def __getitem__(self, tag: int) -> Any:
         if tag not in self._tags_v2:  # unpack on the fly
             data = self._tagdata[tag]
             typ = self.tagtype[tag]
@@ -652,10 +657,10 @@ class ImageFileDirectory_v2(_IFDv2Base):
     def __contains__(self, tag: object) -> bool:
         return tag in self._tags_v2 or tag in self._tagdata
 
-    def __setitem__(self, tag: int, value) -> None:
+    def __setitem__(self, tag: int, value: Any) -> None:
         self._setitem(tag, value, self.legacy_api)
 
-    def _setitem(self, tag: int, value, legacy_api: bool) -> None:
+    def _setitem(self, tag: int, value: Any, legacy_api: bool) -> None:
         basetypes = (Number, bytes, str)
 
         info = TiffTags.lookup(tag, self.group)
@@ -743,10 +748,10 @@ class ImageFileDirectory_v2(_IFDv2Base):
     def __iter__(self) -> Iterator[int]:
         return iter(set(self._tagdata) | set(self._tags_v2))
 
-    def _unpack(self, fmt: str, data: bytes):
+    def _unpack(self, fmt: str, data: bytes) -> tuple[Any, ...]:
         return struct.unpack(self._endian + fmt, data)
 
-    def _pack(self, fmt: str, *values) -> bytes:
+    def _pack(self, fmt: str, *values: Any) -> bytes:
         return struct.pack(self._endian + fmt, *values)
 
     list(
@@ -823,7 +828,9 @@ class ImageFileDirectory_v2(_IFDv2Base):
         return value
 
     @_register_loader(10, 8)
-    def load_signed_rational(self, data: bytes, legacy_api: bool = True):
+    def load_signed_rational(
+        self, data: bytes, legacy_api: bool = True
+    ) -> tuple[tuple[int, int] | IFDRational, ...]:
         vals = self._unpack(f"{len(data) // 4}l", data)
 
         def combine(a: int, b: int) -> tuple[int, int] | IFDRational:
@@ -848,7 +855,7 @@ class ImageFileDirectory_v2(_IFDv2Base):
             raise OSError(msg)
         return ret
 
-    def load(self, fp):
+    def load(self, fp: IO[bytes]) -> None:
         self.reset()
         self._offset = fp.tell()
 
@@ -1087,11 +1094,11 @@ class ImageFileDirectory_v1(ImageFileDirectory_v2):
     def __iter__(self) -> Iterator[int]:
         return iter(set(self._tagdata) | set(self._tags_v1))
 
-    def __setitem__(self, tag: int, value) -> None:
+    def __setitem__(self, tag: int, value: Any) -> None:
         for legacy_api in (False, True):
             self._setitem(tag, value, legacy_api)
 
-    def __getitem__(self, tag):
+    def __getitem__(self, tag: int) -> Any:
         if tag not in self._tags_v1:  # unpack on the fly
             data = self._tagdata[tag]
             typ = self.tagtype[tag]
@@ -1117,11 +1124,15 @@ class TiffImageFile(ImageFile.ImageFile):
     format_description = "Adobe TIFF"
     _close_exclusive_fp_after_loading = False
 
-    def __init__(self, fp=None, filename=None):
+    def __init__(
-        self.tag_v2 = None
+        self,
+        fp: StrOrBytesPath | IO[bytes] | None = None,
+        filename: str | bytes | None = None,
+    ) -> None:
+        self.tag_v2: ImageFileDirectory_v2
         """ Image file directory (tag dictionary) """
 
-        self.tag = None
+        self.tag: ImageFileDirectory_v1
         """ Legacy tag entries """
 
         super().__init__(fp, filename)
@@ -1136,9 +1147,6 @@ class TiffImageFile(ImageFile.ImageFile):
 
         self.tag_v2 = ImageFileDirectory_v2(ifh)
 
-        # legacy IFD entries will be filled in later
-        self.ifd: ImageFileDirectory_v1 | None = None
-
         # setup frame pointers
         self.__first = self.__next = self.tag_v2.next
         self.__frame = -1
@@ -1386,11 +1394,14 @@ class TiffImageFile(ImageFile.ImageFile):
         logger.debug("- photometric_interpretation: %s", photo)
         logger.debug("- planar_configuration: %s", self._planar_configuration)
         logger.debug("- fill_order: %s", fillorder)
-        logger.debug("- YCbCr subsampling: %s", self.tag.get(YCBCRSUBSAMPLING))
+        logger.debug("- YCbCr subsampling: %s", self.tag_v2.get(YCBCRSUBSAMPLING))
 
         # size
-        xsize = int(self.tag_v2.get(IMAGEWIDTH))
+        xsize = self.tag_v2.get(IMAGEWIDTH)
-        ysize = int(self.tag_v2.get(IMAGELENGTH))
+        ysize = self.tag_v2.get(IMAGELENGTH)
+        if not isinstance(xsize, int) or not isinstance(ysize, int):
+            msg = "Invalid dimensions"
+            raise ValueError(msg)
         self._size = xsize, ysize
 
         logger.debug("- size: %s", self.size)
@@ -1538,8 +1549,12 @@ class TiffImageFile(ImageFile.ImageFile):
             else:
                 # tiled image
                 offsets = self.tag_v2[TILEOFFSETS]
-                w = self.tag_v2.get(TILEWIDTH)
+                tilewidth = self.tag_v2.get(TILEWIDTH)
                 h = self.tag_v2.get(TILELENGTH)
+                if not isinstance(tilewidth, int) or not isinstance(h, int):
+                    msg = "Invalid tile dimensions"
+                    raise ValueError(msg)
+                w = tilewidth
 
             for offset in offsets:
                 if x + w > xsize:
@@ -1617,7 +1632,7 @@ SAVE_INFO = {
 }
 
 
-def _save(im, fp, filename):
+def _save(im: Image.Image, fp, filename: str | bytes) -> None:
     try:
         rawmode, prefix, photo, format, bits, extra = SAVE_INFO[im.mode]
     except KeyError as e:
@@ -1753,6 +1768,7 @@ def _save(im, fp, filename):
         if im.mode == "1":
             inverted_im = im.copy()
             px = inverted_im.load()
+            if px is not None:
                 for y in range(inverted_im.height):
                     for x in range(inverted_im.width):
                         px[x, y] = 0 if px[x, y] == 255 else 255
@@ -1798,11 +1814,11 @@ def _save(im, fp, filename):
     ifd[COMPRESSION] = COMPRESSION_INFO_REV.get(compression, 1)
 
     if im.mode == "YCbCr":
-        for tag, value in {
+        for tag, default_value in {
             YCBCRSUBSAMPLING: (1, 1),
             REFERENCEBLACKWHITE: (0, 255, 128, 255, 128, 255),
         }.items():
-            ifd.setdefault(tag, value)
+            ifd.setdefault(tag, default_value)
 
     blocklist = [TILEWIDTH, TILELENGTH, TILEOFFSETS, TILEBYTECOUNTS]
     if libtiff:
@@ -1845,7 +1861,7 @@ def _save(im, fp, filename):
         ]
 
         # bits per sample is a single short in the tiff directory, not a list.
-        atts = {BITSPERSAMPLE: bits[0]}
+        atts: dict[int, Any] = {BITSPERSAMPLE: bits[0]}
         # Merge the ones that we have with (optional) more bits from
         # the original file, e.g x,y resolution so that we can
         # save(load('')) == original file.
@@ -1916,13 +1932,15 @@ def _save(im, fp, filename):
         offset = ifd.save(fp)
 
         ImageFile._save(
-            im, fp, [("raw", (0, 0) + im.size, offset, (rawmode, stride, 1))]
+            im,
+            fp,
+            [ImageFile._Tile("raw", (0, 0) + im.size, offset, (rawmode, stride, 1))],
         )
 
     # -- helper for multi-page save --
     if "_debug_multipage" in encoderinfo:
         # just to access o32 and o16 (using correct byte order)
-        im._debug_multipage = ifd
+        setattr(im, "_debug_multipage", ifd)
 
 
 class AppendingTiffWriter:
@@ -2079,38 +2097,34 @@ class AppendingTiffWriter:
         (value,) = struct.unpack(self.longFmt, self.f.read(4))
         return value
 
+    @staticmethod
+    def _verify_bytes_written(bytes_written: int | None, expected: int) -> None:
+        if bytes_written is not None and bytes_written != expected:
+            msg = f"wrote only {bytes_written} bytes but wanted {expected}"
+            raise RuntimeError(msg)
+
     def rewriteLastShortToLong(self, value: int) -> None:
         self.f.seek(-2, os.SEEK_CUR)
         bytes_written = self.f.write(struct.pack(self.longFmt, value))
-        if bytes_written is not None and bytes_written != 4:
+        self._verify_bytes_written(bytes_written, 4)
-            msg = f"wrote only {bytes_written} bytes but wanted 4"
-            raise RuntimeError(msg)
 
     def rewriteLastShort(self, value: int) -> None:
         self.f.seek(-2, os.SEEK_CUR)
         bytes_written = self.f.write(struct.pack(self.shortFmt, value))
-        if bytes_written is not None and bytes_written != 2:
+        self._verify_bytes_written(bytes_written, 2)
-            msg = f"wrote only {bytes_written} bytes but wanted 2"
-            raise RuntimeError(msg)
 
     def rewriteLastLong(self, value: int) -> None:
         self.f.seek(-4, os.SEEK_CUR)
         bytes_written = self.f.write(struct.pack(self.longFmt, value))
-        if bytes_written is not None and bytes_written != 4:
+        self._verify_bytes_written(bytes_written, 4)
-            msg = f"wrote only {bytes_written} bytes but wanted 4"
-            raise RuntimeError(msg)
 
     def writeShort(self, value: int) -> None:
         bytes_written = self.f.write(struct.pack(self.shortFmt, value))
-        if bytes_written is not None and bytes_written != 2:
+        self._verify_bytes_written(bytes_written, 2)
-            msg = f"wrote only {bytes_written} bytes but wanted 2"
-            raise RuntimeError(msg)
 
     def writeLong(self, value: int) -> None:
         bytes_written = self.f.write(struct.pack(self.longFmt, value))
-        if bytes_written is not None and bytes_written != 4:
+        self._verify_bytes_written(bytes_written, 4)
-            msg = f"wrote only {bytes_written} bytes but wanted 4"
-            raise RuntimeError(msg)
 
     def close(self) -> None:
         self.finalize()

src/PIL/WebPImagePlugin.py

@@ -45,22 +45,6 @@ class WebPImageFile(ImageFile.ImageFile):
     __logical_frame = 0
 
     def _open(self) -> None:
-        if not _webp.HAVE_WEBPANIM:
-            # Legacy mode
-            data, width, height, self._mode, icc_profile, exif = _webp.WebPDecode(
-                self.fp.read()
-            )
-            if icc_profile:
-                self.info["icc_profile"] = icc_profile
-            if exif:
-                self.info["exif"] = exif
-            self._size = width, height
-            self.fp = BytesIO(data)
-            self.tile = [("raw", (0, 0) + self.size, 0, self.mode)]
-            self.n_frames = 1
-            self.is_animated = False
-            return
-
         # Use the newer AnimDecoder API to parse the (possibly) animated file,
         # and access muxed chunks like ICC/EXIF/XMP.
         self._decoder = _webp.WebPAnimDecoder(self.fp.read())
@@ -145,7 +129,6 @@ class WebPImageFile(ImageFile.ImageFile):
             self._get_next()  # Advance to the requested frame
 
     def load(self) -> Image.core.PixelAccess | None:
-        if _webp.HAVE_WEBPANIM:
         if self.__loaded != self.__logical_frame:
             self._seek(self.__logical_frame)
 
@@ -167,9 +150,6 @@ class WebPImageFile(ImageFile.ImageFile):
         pass
 
     def tell(self) -> int:
-        if not _webp.HAVE_WEBPANIM:
-            return super().tell()
-
         return self.__logical_frame
 
 
@@ -357,7 +337,6 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
 Image.register_open(WebPImageFile.format, WebPImageFile, _accept)
 if SUPPORTED:
     Image.register_save(WebPImageFile.format, _save)
-    if _webp.HAVE_WEBPANIM:
     Image.register_save_all(WebPImageFile.format, _save_all)
     Image.register_extension(WebPImageFile.format, ".webp")
     Image.register_mime(WebPImageFile.format, "image/webp")

src/PIL/XbmImagePlugin.py

@@ -85,7 +85,7 @@ def _save(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
 
     fp.write(b"static char im_bits[] = {\n")
 
-    ImageFile._save(im, fp, [("xbm", (0, 0) + im.size, 0, None)])
+    ImageFile._save(im, fp, [ImageFile._Tile("xbm", (0, 0) + im.size, 0, None)])
 
     fp.write(b"};\n")
 

src/PIL/features.py

@@ -9,6 +9,7 @@ from typing import IO
 import PIL
 
 from . import Image
+from ._deprecate import deprecate
 
 modules = {
     "pil": ("PIL._imaging", "PILLOW_VERSION"),
@@ -118,10 +119,10 @@ def get_supported_codecs() -> list[str]:
     return [f for f in codecs if check_codec(f)]
 
 
-features = {
+features: dict[str, tuple[str, str | bool, str | None]] = {
-    "webp_anim": ("PIL._webp", "HAVE_WEBPANIM", None),
+    "webp_anim": ("PIL._webp", True, None),
-    "webp_mux": ("PIL._webp", "HAVE_WEBPMUX", None),
+    "webp_mux": ("PIL._webp", True, None),
-    "transp_webp": ("PIL._webp", "HAVE_TRANSPARENCY", None),
+    "transp_webp": ("PIL._webp", True, None),
     "raqm": ("PIL._imagingft", "HAVE_RAQM", "raqm_version"),
     "fribidi": ("PIL._imagingft", "HAVE_FRIBIDI", "fribidi_version"),
     "harfbuzz": ("PIL._imagingft", "HAVE_HARFBUZZ", "harfbuzz_version"),
@@ -147,6 +148,9 @@ def check_feature(feature: str) -> bool | None:
 
     try:
         imported_module = __import__(module, fromlist=["PIL"])
+        if isinstance(flag, bool):
+            deprecate(f'check_feature("{feature}")', 12)
+            return flag
         return getattr(imported_module, flag)
     except ModuleNotFoundError:
         return None
@@ -176,7 +180,17 @@ def get_supported_features() -> list[str]:
     """
     :returns: A list of all supported features.
     """
-    return [f for f in features if check_feature(f)]
+    supported_features = []
+    for f, (module, flag, _) in features.items():
+        if flag is True:
+            for feature, (feature_module, _) in modules.items():
+                if feature_module == module:
+                    if check_module(feature):
+                        supported_features.append(f)
+                    break
+        elif check_feature(f):
+            supported_features.append(f)
+    return supported_features
 
 
 def check(feature: str) -> bool | None:
@@ -271,9 +285,6 @@ def pilinfo(out: IO[str] | None = None, supported_formats: bool = True) -> None:
         ("freetype2", "FREETYPE2"),
         ("littlecms2", "LITTLECMS2"),
         ("webp", "WEBP"),
-        ("transp_webp", "WEBP Transparency"),
-        ("webp_mux", "WEBPMUX"),
-        ("webp_anim", "WEBP Animation"),
         ("jpg", "JPEG"),
         ("jpg_2000", "OPENJPEG (JPEG2000)"),
         ("zlib", "ZLIB (PNG/ZIP)"),

src/_webp.c

@@ -4,8 +4,6 @@
 #include <webp/encode.h>
 #include <webp/decode.h>
 #include <webp/types.h>
-
-#ifdef HAVE_WEBPMUX
 #include <webp/mux.h>
 #include <webp/demux.h>
 
@@ -13,12 +11,10 @@
  * Check the versions from mux.h and demux.h, to ensure the WebPAnimEncoder and
  * WebPAnimDecoder APIs are present (initial support was added in 0.5.0). The
  * very early versions had some significant differences, so we require later
- * versions, before enabling animation support.
+ * versions.
  */
-#if WEBP_MUX_ABI_VERSION >= 0x0104 && WEBP_DEMUX_ABI_VERSION >= 0x0105
+#if WEBP_MUX_ABI_VERSION < 0x0106 || WEBP_DEMUX_ABI_VERSION < 0x0107
-#define HAVE_WEBPANIM
+#error libwebp 0.5.0 and above is required. Upgrade libwebp or build Pillow with --disable-webp flag
-#endif
-
 #endif
 
 void
@@ -35,8 +31,6 @@ ImagingSectionLeave(ImagingSectionCookie *cookie) {
 /* WebP Muxer Error Handling                                            */
 /* -------------------------------------------------------------------- */
 
-#ifdef HAVE_WEBPMUX
-
 static const char *const kErrorMessages[-WEBP_MUX_NOT_ENOUGH_DATA + 1] = {
     "WEBP_MUX_NOT_FOUND",
     "WEBP_MUX_INVALID_ARGUMENT",
@@ -89,14 +83,10 @@ HandleMuxError(WebPMuxError err, char *chunk) {
     return NULL;
 }
 
-#endif
-
 /* -------------------------------------------------------------------- */
 /* WebP Animation Support                                               */
 /* -------------------------------------------------------------------- */
 
-#ifdef HAVE_WEBPANIM
-
 // Encoder type
 typedef struct {
     PyObject_HEAD WebPAnimEncoder *enc;
@@ -576,8 +566,6 @@ static PyTypeObject WebPAnimDecoder_Type = {
     0,                                 /*tp_getset*/
 };
 
-#endif
-
 /* -------------------------------------------------------------------- */
 /* Legacy WebP Support                                                  */
 /* -------------------------------------------------------------------- */
@@ -652,10 +640,7 @@ WebPEncode_wrapper(PyObject *self, PyObject *args) {
     config.quality = quality_factor;
     config.alpha_quality = alpha_quality_factor;
     config.method = method;
-#if WEBP_ENCODER_ABI_VERSION >= 0x0209
-    // the "exact" flag is only available in libwebp 0.5.0 and later
     config.exact = exact;
-#endif
 
     // Validate the config
     if (!WebPValidateConfig(&config)) {
@@ -687,19 +672,21 @@ WebPEncode_wrapper(PyObject *self, PyObject *args) {
 
     WebPPictureFree(&pic);
     if (!ok) {
-        PyErr_Format(PyExc_ValueError, "encoding error %d", (&pic)->error_code);
+        int error_code = (&pic)->error_code;
+        char message[50] = "";
+        if (error_code == VP8_ENC_ERROR_BAD_DIMENSION) {
+            sprintf(
+                message,
+                ": Image size exceeds WebP limit of %d pixels",
+                WEBP_MAX_DIMENSION
+            );
+        }
+        PyErr_Format(PyExc_ValueError, "encoding error %d%s", error_code, message);
         return NULL;
     }
     output = writer.mem;
     ret_size = writer.size;
 
-#ifndef HAVE_WEBPMUX
-    if (ret_size > 0) {
-        PyObject *ret = PyBytes_FromStringAndSize((char *)output, ret_size);
-        free(output);
-        return ret;
-    }
-#else
     {
         /* I want to truncate the *_size items that get passed into WebP
            data. Pypy2.1.0 had some issues where the Py_ssize_t items had
@@ -775,132 +762,9 @@ WebPEncode_wrapper(PyObject *self, PyObject *args) {
             return ret;
         }
     }
-#endif
     Py_RETURN_NONE;
 }
 
-PyObject *
-WebPDecode_wrapper(PyObject *self, PyObject *args) {
-    PyBytesObject *webp_string;
-    const uint8_t *webp;
-    Py_ssize_t size;
-    PyObject *ret = Py_None, *bytes = NULL, *pymode = NULL, *icc_profile = NULL,
-             *exif = NULL;
-    WebPDecoderConfig config;
-    VP8StatusCode vp8_status_code = VP8_STATUS_OK;
-    char *mode = "RGB";
-
-    if (!PyArg_ParseTuple(args, "S", &webp_string)) {
-        return NULL;
-    }
-
-    if (!WebPInitDecoderConfig(&config)) {
-        Py_RETURN_NONE;
-    }
-
-    PyBytes_AsStringAndSize((PyObject *)webp_string, (char **)&webp, &size);
-
-    vp8_status_code = WebPGetFeatures(webp, size, &config.input);
-    if (vp8_status_code == VP8_STATUS_OK) {
-        // If we don't set it, we don't get alpha.
-        // Initialized to MODE_RGB
-        if (config.input.has_alpha) {
-            config.output.colorspace = MODE_RGBA;
-            mode = "RGBA";
-        }
-
-#ifndef HAVE_WEBPMUX
-        vp8_status_code = WebPDecode(webp, size, &config);
-#else
-        {
-            int copy_data = 0;
-            WebPData data = {webp, size};
-            WebPMuxFrameInfo image;
-            WebPData icc_profile_data = {0};
-            WebPData exif_data = {0};
-
-            WebPMux *mux = WebPMuxCreate(&data, copy_data);
-            if (NULL == mux) {
-                goto end;
-            }
-
-            if (WEBP_MUX_OK != WebPMuxGetFrame(mux, 1, &image)) {
-                WebPMuxDelete(mux);
-                goto end;
-            }
-
-            webp = image.bitstream.bytes;
-            size = image.bitstream.size;
-
-            vp8_status_code = WebPDecode(webp, size, &config);
-
-            if (WEBP_MUX_OK == WebPMuxGetChunk(mux, "ICCP", &icc_profile_data)) {
-                icc_profile = PyBytes_FromStringAndSize(
-                    (const char *)icc_profile_data.bytes, icc_profile_data.size
-                );
-            }
-
-            if (WEBP_MUX_OK == WebPMuxGetChunk(mux, "EXIF", &exif_data)) {
-                exif = PyBytes_FromStringAndSize(
-                    (const char *)exif_data.bytes, exif_data.size
-                );
-            }
-
-            WebPDataClear(&image.bitstream);
-            WebPMuxDelete(mux);
-        }
-#endif
-    }
-
-    if (vp8_status_code != VP8_STATUS_OK) {
-        goto end;
-    }
-
-    if (config.output.colorspace < MODE_YUV) {
-        bytes = PyBytes_FromStringAndSize(
-            (char *)config.output.u.RGBA.rgba, config.output.u.RGBA.size
-        );
-    } else {
-        // Skipping YUV for now. Need Test Images.
-        // UNDONE -- unclear if we'll ever get here if we set mode_rgb*
-        bytes = PyBytes_FromStringAndSize(
-            (char *)config.output.u.YUVA.y, config.output.u.YUVA.y_size
-        );
-    }
-
-    pymode = PyUnicode_FromString(mode);
-    ret = Py_BuildValue(
-        "SiiSSS",
-        bytes,
-        config.output.width,
-        config.output.height,
-        pymode,
-        NULL == icc_profile ? Py_None : icc_profile,
-        NULL == exif ? Py_None : exif
-    );
-
-end:
-    WebPFreeDecBuffer(&config.output);
-
-    Py_XDECREF(bytes);
-    Py_XDECREF(pymode);
-    Py_XDECREF(icc_profile);
-    Py_XDECREF(exif);
-
-    if (Py_None == ret) {
-        Py_RETURN_NONE;
-    }
-
-    return ret;
-}
-
-// Return the decoder's version number, packed in hexadecimal using 8bits for
-// each of major/minor/revision. E.g: v2.5.7 is 0x020507.
-PyObject *
-WebPDecoderVersion_wrapper() {
-    return Py_BuildValue("i", WebPGetDecoderVersion());
-}
-
 // Version as string
 const char *
 WebPDecoderVersion_str(void) {
@@ -916,85 +780,26 @@ WebPDecoderVersion_str(void) {
     return version;
 }
 
-/*
- * The version of webp that ships with (0.1.3) Ubuntu 12.04 doesn't handle alpha well.
- * Files that are valid with 0.3 are reported as being invalid.
- */
-int
-WebPDecoderBuggyAlpha(void) {
-    return WebPGetDecoderVersion() == 0x0103;
-}
-
-PyObject *
-WebPDecoderBuggyAlpha_wrapper() {
-    return Py_BuildValue("i", WebPDecoderBuggyAlpha());
-}
-
 /* -------------------------------------------------------------------- */
 /* Module Setup                                                         */
 /* -------------------------------------------------------------------- */
 
 static PyMethodDef webpMethods[] = {
-#ifdef HAVE_WEBPANIM
     {"WebPAnimDecoder", _anim_decoder_new, METH_VARARGS, "WebPAnimDecoder"},
     {"WebPAnimEncoder", _anim_encoder_new, METH_VARARGS, "WebPAnimEncoder"},
-#endif
     {"WebPEncode", WebPEncode_wrapper, METH_VARARGS, "WebPEncode"},
-    {"WebPDecode", WebPDecode_wrapper, METH_VARARGS, "WebPDecode"},
-    {"WebPDecoderVersion", WebPDecoderVersion_wrapper, METH_NOARGS, "WebPVersion"},
-    {"WebPDecoderBuggyAlpha",
-     WebPDecoderBuggyAlpha_wrapper,
-     METH_NOARGS,
-     "WebPDecoderBuggyAlpha"},
     {NULL, NULL}
 };
 
-void
-addMuxFlagToModule(PyObject *m) {
-    PyObject *have_webpmux;
-#ifdef HAVE_WEBPMUX
-    have_webpmux = Py_True;
-#else
-    have_webpmux = Py_False;
-#endif
-    Py_INCREF(have_webpmux);
-    PyModule_AddObject(m, "HAVE_WEBPMUX", have_webpmux);
-}
-
-void
-addAnimFlagToModule(PyObject *m) {
-    PyObject *have_webpanim;
-#ifdef HAVE_WEBPANIM
-    have_webpanim = Py_True;
-#else
-    have_webpanim = Py_False;
-#endif
-    Py_INCREF(have_webpanim);
-    PyModule_AddObject(m, "HAVE_WEBPANIM", have_webpanim);
-}
-
-void
-addTransparencyFlagToModule(PyObject *m) {
-    PyObject *have_transparency = PyBool_FromLong(!WebPDecoderBuggyAlpha());
-    if (PyModule_AddObject(m, "HAVE_TRANSPARENCY", have_transparency)) {
-        Py_DECREF(have_transparency);
-    }
-}
-
 static int
 setup_module(PyObject *m) {
-#ifdef HAVE_WEBPANIM
     /* Ready object types */
     if (PyType_Ready(&WebPAnimDecoder_Type) < 0 ||
         PyType_Ready(&WebPAnimEncoder_Type) < 0) {
         return -1;
     }
-#endif
-    PyObject *d = PyModule_GetDict(m);
-    addMuxFlagToModule(m);
-    addAnimFlagToModule(m);
-    addTransparencyFlagToModule(m);
 
+    PyObject *d = PyModule_GetDict(m);
     PyObject *v = PyUnicode_FromString(WebPDecoderVersion_str());
     PyDict_SetItemString(d, "webpdecoder_version", v ? v : Py_None);
     Py_XDECREF(v);

src/libImaging/Quant.c

@@ -314,8 +314,9 @@ test_sorted(PixelList *pl[3]) {
     for (i = 0; i < 3; i++) {
         l = 256;
         for (t = pl[i]; t; t = t->next[i]) {
-            if (l < t->p.a.v[i])
+            if (l < t->p.a.v[i]) {
                 return 0;
+            }
             l = t->p.a.v[i];
         }
     }
@@ -1009,7 +1010,8 @@ compute_palette_from_median_cut(
     uint32_t nPixels,
     HashTable *medianBoxHash,
     Pixel **palette,
-    uint32_t nPaletteEntries
+    uint32_t nPaletteEntries,
+    BoxNode *root
 ) {
     uint32_t i;
     uint32_t paletteEntry;
@@ -1382,7 +1384,9 @@ quantize(
     fflush(stdout);
     timer = clock();
 #endif
-    if (!compute_palette_from_median_cut(pixelData, nPixels, h, &p, nPaletteEntries)) {
+    if (!compute_palette_from_median_cut(
+            pixelData, nPixels, h, &p, nPaletteEntries, root
+        )) {
         goto error_3;
     }
 #ifdef DEBUG

tox.ini

@@ -36,4 +36,4 @@ deps =
 extras =
     typing
 commands =
-    mypy src Tests {posargs}
+    mypy docs src winbuild Tests {posargs}

winbuild/build_prepare.py

@@ -7,6 +7,7 @@ import re
 import shutil
 import struct
 import subprocess
+from typing import Any
 
 
 def cmd_cd(path: str) -> str:
@@ -43,21 +44,19 @@ def cmd_nmake(
     target: str = "",
     params: list[str] | None = None,
 ) -> str:
-    params = "" if params is None else " ".join(params)
-
     return " ".join(
         [
             "{nmake}",
             "-nologo",
             f'-f "{makefile}"' if makefile is not None else "",
-            f"{params}",
+            f'{" ".join(params)}' if params is not None else "",
             f'"{target}"',
         ]
     )
 
 
 def cmds_cmake(
-    target: str | tuple[str, ...] | list[str], *params, build_dir: str = "."
+    target: str | tuple[str, ...] | list[str], *params: str, build_dir: str = "."
 ) -> list[str]:
     if not isinstance(target, str):
         target = " ".join(target)
@@ -129,7 +128,7 @@ V["ZLIB_DOTLESS"] = V["ZLIB"].replace(".", "")
 
 
 # dependencies, listed in order of compilation
-DEPS = {
+DEPS: dict[str, dict[str, Any]] = {
     "libjpeg": {
         "url": f"{SF_PROJECTS}/libjpeg-turbo/files/{V['JPEGTURBO']}/"
         f"libjpeg-turbo-{V['JPEGTURBO']}.tar.gz/download",
@@ -201,7 +200,7 @@ DEPS = {
         },
         "build": [
             *cmds_cmake(
-                "webp webpdemux webpmux",
+                "webp webpmux webpdemux",
                 "-DBUILD_SHARED_LIBS:BOOL=OFF",
                 "-DWEBP_LINK_STATIC:BOOL=OFF",
             ),
@@ -538,7 +537,7 @@ def write_script(
             print("    " + line)
 
 
-def get_footer(dep: dict) -> list[str]:
+def get_footer(dep: dict[str, Any]) -> list[str]:
     lines = []
     for out in dep.get("headers", []):
         lines.append(cmd_copy(out, "{inc_dir}"))
@@ -583,6 +582,7 @@ def build_dep(name: str, prefs: dict[str, str], verbose: bool) -> str:
             license_text += f.read()
     if "license_pattern" in dep:
         match = re.search(dep["license_pattern"], license_text, re.DOTALL)
+        assert match is not None
         license_text = "\n".join(match.groups())
     assert len(license_text) > 50
     with open(os.path.join(license_dir, f"{directory}.txt"), "w") as f: