Merge branch 'main' into progress

.ci/install.sh

@@ -66,7 +66,7 @@ if [[ $(uname) != CYGWIN* ]]; then
     pushd depends && ./install_raqm.sh && popd
 
     # libavif
-    pushd depends && CMAKE_POLICY_VERSION_MINIMUM=3.5 ./install_libavif.sh && popd
+    pushd depends && ./install_libavif.sh && popd
 
     # extra test images
     pushd depends && ./install_extra_test_images.sh && popd

.ci/requirements-cibw.txt

@@ -1 +1 @@
-cibuildwheel==2.23.2
+cibuildwheel==3.0.0

.ci/requirements-mypy.txt

@@ -1,9 +1,10 @@
-mypy==1.15.0
+mypy==1.16.1
 IceSpringPySideStubs-PyQt6
 IceSpringPySideStubs-PySide6
 ipython
 numpy
 packaging
+pyarrow-stubs
 pytest
 sphinx
 types-atheris

.ci/test.cmd

@@ -1,3 +1,3 @@
 python.exe -c "from PIL import Image"
 IF ERRORLEVEL 1 EXIT /B
-python.exe -bb -m pytest -v -x -W always --cov PIL --cov Tests --cov-report term --cov-report xml Tests
+python.exe -bb -m pytest -vv -x -W always --cov PIL --cov Tests --cov-report term --cov-report xml Tests

.ci/test.sh

@@ -4,4 +4,4 @@ set -e
 
 python3 -c "from PIL import Image"
 
-python3 -bb -m pytest -v -x -W always --cov PIL --cov Tests --cov-report term --cov-report xml Tests $REVERSE
+python3 -bb -m pytest -vv -x -W always --cov PIL --cov Tests --cov-report term --cov-report xml Tests $REVERSE

.github/ISSUE_TEMPLATE/RELEASE.md

@@ -0,0 +1,46 @@
+---
+name: "Maintainers only: Release"
+about: For maintainers to schedule a quarterly release
+labels: Release
+---
+
+## Main release
+
+Released quarterly on January 2nd, April 1st, July 1st and October 15th.
+
+* [ ] Open a release ticket e.g. https://github.com/python-pillow/Pillow/issues/3154
+* [ ] Develop and prepare release in `main` branch.
+  * [ ] Add release notes e.g. https://github.com/python-pillow/Pillow/pull/8885
+* [ ] Check [GitHub Actions](https://github.com/python-pillow/Pillow/actions) to confirm passing tests in `main` branch.
+* [ ] Check that all the wheel builds pass the tests in the [GitHub Actions "Wheels" workflow](https://github.com/python-pillow/Pillow/actions/workflows/wheels.yml) jobs by manually triggering them.
+* [ ] In compliance with [PEP 440](https://peps.python.org/pep-0440/), update version identifier in `src/PIL/_version.py`
+* [ ] Run pre-release check via `make release-test` in a freshly cloned repo.
+* [ ] Create branch and tag for release e.g.:
+  ```bash
+  git branch [[MAJOR.MINOR]].x
+  git tag [[MAJOR.MINOR]].0
+  git push --tags
+  ```
+* [ ] Check the [GitHub Actions "Wheels" workflow](https://github.com/python-pillow/Pillow/actions/workflows/wheels.yml) has passed, including the "Upload release to PyPI" job. This will have been triggered by the new tag.
+* [ ] Publish the [release on GitHub](https://github.com/python-pillow/Pillow/releases).
+* [ ] In compliance with [PEP 440](https://peps.python.org/pep-0440/), increment and append `.dev0` to version identifier in `src/PIL/_version.py` and then:
+  ```bash
+  git push --all
+   ```
+
+## Publicize release
+
+* [ ] Announce release availability via [Mastodon](https://fosstodon.org/@pillow) e.g. https://fosstodon.org/@pillow/110639450470725321
+
+## Documentation
+
+* [ ] Make sure the [default version for Read the Docs](https://pillow.readthedocs.io/en/stable/) is up-to-date with the release changes
+
+## Docker images
+
+* [ ] Update Pillow in the Docker Images repository
+  ```bash
+  git clone https://github.com/python-pillow/docker-images
+  cd docker-images
+  ./update-pillow-tag.sh [[release tag]]
+  ```

.github/workflows/test-valgrind-memory.yml

@@ -0,0 +1,60 @@
+name: Test Valgrind Memory Leaks
+
+# like the Docker tests, but running valgrind only on *.c/*.h changes.
+
+# this is very expensive. Only run on the pull request.
+on:
+  # push:
+  #   branches:
+  #     - "**"
+  #   paths:
+  #     - ".github/workflows/test-valgrind.yml"
+  #     - "**.c"
+  #     - "**.h"
+  pull_request:
+    paths:
+      - ".github/workflows/test-valgrind.yml"
+      - "**.c"
+      - "**.h"
+      - "depends/docker-test-valgrind-memory.sh"
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        docker: [
+          ubuntu-22.04-jammy-amd64-valgrind,
+        ]
+        dockerTag: [main]
+
+    name: ${{ matrix.docker }}
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        persist-credentials: false
+
+    - name: Build system information
+      run: python3 .github/workflows/system-info.py
+
+    - name: Docker pull
+      run: |
+        docker pull pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }}
+
+    - name: Build and Run Valgrind
+      run: |
+        # The Pillow user in the docker container is UID 1001
+        sudo chown -R 1001 $GITHUB_WORKSPACE
+        docker run --name pillow_container -e "PILLOW_VALGRIND_TEST=true" -v $GITHUB_WORKSPACE:/Pillow pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }} /Pillow/depends/docker-test-valgrind-memory.sh
+        sudo chown -R runner $GITHUB_WORKSPACE

.github/workflows/test-windows.yml

@@ -31,16 +31,15 @@ env:
 
 jobs:
   build:
-    runs-on: ${{ matrix.os }}
+    runs-on: windows-latest
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["pypy3.11", "pypy3.10", "3.10", "3.11", "3.12", "3.13", "3.14"]
+        python-version: ["pypy3.11", "pypy3.10", "3.10", "3.11", "3.12", ">=3.13.5", "3.14"]
         architecture: ["x64"]
-        os: ["windows-latest"]
         include:
             # Test the oldest Python on 32-bit
-            - { python-version: "3.9", architecture: "x86", os: "windows-2019" }
+            - { python-version: "3.9", architecture: "x86" }
 
     timeout-minutes: 45
 
@@ -84,7 +83,7 @@ jobs:
         python3 -m pip install --upgrade pip
 
     - name: Install CPython dependencies
-      if: "!contains(matrix.python-version, 'pypy') && matrix.architecture != 'x86'"
+      if: "!contains(matrix.python-version, 'pypy') && !contains(matrix.python-version, '3.14') && matrix.architecture != 'x86'"
       run: |
         python3 -m pip install PyQt6
 
@@ -98,8 +97,8 @@ jobs:
         choco install nasm --no-progress
         echo "C:\Program Files\NASM" >> $env:GITHUB_PATH
 
-        choco install ghostscript --version=10.5.0 --no-progress
+        choco install ghostscript --version=10.5.1 --no-progress
-        echo "C:\Program Files\gs\gs10.05.0\bin" >> $env:GITHUB_PATH
+        echo "C:\Program Files\gs\gs10.05.1\bin" >> $env:GITHUB_PATH
 
         # Install extra test images
         xcopy /S /Y Tests\test-images\* Tests\images

.github/workflows/test.yml

@@ -43,6 +43,7 @@ jobs:
         python-version: [
           "pypy3.11",
           "pypy3.10",
+          "3.14t",
           "3.14",
           "3.13t",
           "3.13",
@@ -55,6 +56,7 @@ jobs:
         - { python-version: "3.11", PYTHONOPTIMIZE: 1, REVERSE: "--reverse" }
         - { python-version: "3.10", PYTHONOPTIMIZE: 2 }
         # Free-threaded
+        - { python-version: "3.14t", disable-gil: true }
         - { python-version: "3.13t", disable-gil: true }
         # M1 only available for 3.10+
         - { os: "macos-13", python-version: "3.9" }

.github/workflows/wheels-dependencies.sh

@@ -38,9 +38,9 @@ ARCHIVE_SDIR=pillow-depends-main
 
 # Package versions for fresh source builds
 FREETYPE_VERSION=2.13.3
-HARFBUZZ_VERSION=11.1.0
+HARFBUZZ_VERSION=11.2.1
-LIBPNG_VERSION=1.6.47
+LIBPNG_VERSION=1.6.49
-JPEGTURBO_VERSION=3.1.0
+JPEGTURBO_VERSION=3.1.1
 OPENJPEG_VERSION=2.5.3
 XZ_VERSION=5.8.1
 TIFF_VERSION=4.7.0
@@ -51,6 +51,7 @@ LIBWEBP_VERSION=1.5.0
 BZIP2_VERSION=1.0.8
 LIBXCB_VERSION=1.17.0
 BROTLI_VERSION=1.1.0
+LIBAVIF_VERSION=1.3.0
 
 function build_pkg_config {
     if [ -e pkg-config-stamp ]; then return; fi
@@ -98,6 +99,59 @@ function build_harfbuzz {
     touch harfbuzz-stamp
 }
 
+function build_libavif {
+    if [ -e libavif-stamp ]; then return; fi
+
+    python3 -m pip install meson ninja
+
+    if [[ "$PLAT" == "x86_64" ]] || [ -n "$SANITIZER" ]; then
+        build_simple nasm 2.16.03 https://www.nasm.us/pub/nasm/releasebuilds/2.16.03
+    fi
+
+    local build_type=MinSizeRel
+    local lto=ON
+
+    local libavif_cmake_flags
+
+    if [ -n "$IS_MACOS" ]; then
+        lto=OFF
+        libavif_cmake_flags=(
+            -DCMAKE_C_FLAGS_MINSIZEREL="-Oz -DNDEBUG -flto" \
+            -DCMAKE_CXX_FLAGS_MINSIZEREL="-Oz -DNDEBUG -flto" \
+            -DCMAKE_SHARED_LINKER_FLAGS_INIT="-Wl,-S,-x,-dead_strip_dylibs" \
+        )
+    else
+        if [[ "$MB_ML_VER" == 2014 ]] && [[ "$PLAT" == "x86_64" ]]; then
+            build_type=Release
+        fi
+        libavif_cmake_flags=(-DCMAKE_SHARED_LINKER_FLAGS_INIT="-Wl,--strip-all,-z,relro,-z,now")
+    fi
+
+    local out_dir=$(fetch_unpack https://github.com/AOMediaCodec/libavif/archive/refs/tags/v$LIBAVIF_VERSION.tar.gz libavif-$LIBAVIF_VERSION.tar.gz)
+    # CONFIG_AV1_HIGHBITDEPTH=0 is a flag for libaom (included as a subproject
+    # of libavif) that disables support for encoding high bit depth images.
+    (cd $out_dir \
+        && cmake \
+            -DCMAKE_INSTALL_PREFIX=$BUILD_PREFIX \
+            -DCMAKE_INSTALL_LIBDIR=$BUILD_PREFIX/lib \
+            -DCMAKE_INSTALL_NAME_DIR=$BUILD_PREFIX/lib \
+            -DBUILD_SHARED_LIBS=ON \
+            -DAVIF_LIBSHARPYUV=LOCAL \
+            -DAVIF_LIBYUV=LOCAL \
+            -DAVIF_CODEC_AOM=LOCAL \
+            -DCONFIG_AV1_HIGHBITDEPTH=0 \
+            -DAVIF_CODEC_AOM_DECODE=OFF \
+            -DAVIF_CODEC_DAV1D=LOCAL \
+            -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=$lto \
+            -DCMAKE_C_VISIBILITY_PRESET=hidden \
+            -DCMAKE_CXX_VISIBILITY_PRESET=hidden \
+            -DCMAKE_BUILD_TYPE=$build_type \
+            "${libavif_cmake_flags[@]}" \
+            . \
+        && make install)
+    touch libavif-stamp
+}
+
 function build {
     build_xz
     if [ -z "$IS_ALPINE" ] && [ -z "$SANITIZER" ] && [ -z "$IS_MACOS" ]; then
@@ -132,6 +186,7 @@ function build {
         build_tiff
     fi
 
+    build_libavif
     build_libpng
     build_lcms2
     build_openjpeg

.github/workflows/wheels-test.ps1

@@ -9,17 +9,21 @@ if ("$venv" -like "*\cibw-run-*\pp*-win_amd64\*") {
     C:\vc_redist.x64.exe /install /quiet /norestart | Out-Null
 }
 $env:path += ";$pillow\winbuild\build\bin\"
-& "$venv\Scripts\activate.ps1"
+if (Test-Path $venv\Scripts\pypy.exe) {
+  $python = "pypy.exe"
+} else {
+  $python = "python.exe"
+}
 & reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\python.exe" /v "GlobalFlag" /t REG_SZ /d "0x02000000" /f
 if ("$venv" -like "*\cibw-run-*-win_amd64\*") {
-  & python -m pip install numpy
+  & $venv\Scripts\$python -m pip install numpy
 }
 cd $pillow
-& python -VV
+& $venv\Scripts\$python -VV
 if (!$?) { exit $LASTEXITCODE }
-& python selftest.py
+& $venv\Scripts\$python selftest.py
 if (!$?) { exit $LASTEXITCODE }
-& python -m pytest -vx Tests\check_wheel.py
+& $venv\Scripts\$python -m pytest -vv -x Tests\check_wheel.py
 if (!$?) { exit $LASTEXITCODE }
-& python -m pytest -vx Tests
+& $venv\Scripts\$python -m pytest -vv -x Tests
 if (!$?) { exit $LASTEXITCODE }

.github/workflows/wheels-test.sh

@@ -35,5 +35,5 @@ fi
 
 # Runs tests
 python3 selftest.py
-python3 -m pytest Tests/check_wheel.py
+python3 -m pytest -vv -x Tests/check_wheel.py
-python3 -m pytest
+python3 -m pytest -vv -x

.github/workflows/wheels.yml

@@ -58,7 +58,7 @@ jobs:
           - name: "macOS 10.13 x86_64"
             os: macos-13
             cibw_arch: x86_64
-            build: "cp3{12,13}*"
+            build: "cp3{12,13,14}*"
             macosx_deployment_target: "10.13"
           - name: "macOS 10.15 x86_64"
             os: macos-13
@@ -110,7 +110,6 @@ jobs:
           CIBW_MANYLINUX_PYPY_AARCH64_IMAGE: ${{ matrix.manylinux }}
           CIBW_MANYLINUX_PYPY_X86_64_IMAGE: ${{ matrix.manylinux }}
           CIBW_MANYLINUX_X86_64_IMAGE: ${{ matrix.manylinux }}
-          CIBW_SKIP: pp39-*
           MACOSX_DEPLOYMENT_TARGET: ${{ matrix.macosx_deployment_target }}
 
       - uses: actions/upload-artifact@v4
@@ -160,7 +159,7 @@ jobs:
           # Install extra test images
           xcopy /S /Y Tests\test-images\* Tests\images
 
-          & python.exe winbuild\build_prepare.py -v --no-imagequant --no-avif --architecture=${{ matrix.cibw_arch }}
+          & python.exe winbuild\build_prepare.py -v --no-imagequant --architecture=${{ matrix.cibw_arch }}
         shell: pwsh
 
       - name: Build wheels
@@ -188,7 +187,6 @@ jobs:
           CIBW_BEFORE_ALL: "{package}\\winbuild\\build\\build_dep_all.cmd"
           CIBW_CACHE_PATH: "C:\\cibw"
           CIBW_ENABLE: cpython-prerelease cpython-freethreading pypy
-          CIBW_SKIP: pp39-*
           CIBW_TEST_SKIP: "*-win_arm64"
           CIBW_TEST_COMMAND: 'docker run --rm
             -v {project}:C:\pillow

.github/zizmor.yml

@@ -0,0 +1,7 @@
+# Configuration for the zizmor static analysis tool, run via pre-commit in CI
+# https://woodruffw.github.io/zizmor/configuration/
+rules:
+  unpinned-uses:
+    config:
+      policies:
+        "*": ref-pin

.pre-commit-config.yaml

@@ -1,8 +1,8 @@
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.11.4
+    rev: v0.12.0
     hooks:
-      - id: ruff
+      - id: ruff-check
         args: [--exit-non-zero-on-fix]
 
   - repo: https://github.com/psf/black-pre-commit-mirror
@@ -11,7 +11,7 @@ repos:
       - id: black
 
   - repo: https://github.com/PyCQA/bandit
-    rev: 1.8.3
+    rev: 1.8.5
     hooks:
     - id: bandit
       args: [--severity-level=high]
@@ -24,7 +24,7 @@ repos:
         exclude: (Makefile$|\.bat$|\.cmake$|\.eps$|\.fits$|\.gd$|\.opt$)
 
   - repo: https://github.com/pre-commit/mirrors-clang-format
-    rev: v20.1.0
+    rev: v20.1.6
     hooks:
       - id: clang-format
         types: [c]
@@ -51,14 +51,14 @@ repos:
         exclude: ^.github/.*TEMPLATE|^Tests/(fonts|images)/
 
   - repo: https://github.com/python-jsonschema/check-jsonschema
-    rev: 0.32.1
+    rev: 0.33.1
     hooks:
       - id: check-github-workflows
       - id: check-readthedocs
       - id: check-renovate
 
   - repo: https://github.com/woodruffw/zizmor-pre-commit
-    rev: v1.5.2
+    rev: v1.9.0
     hooks:
       - id: zizmor
 
@@ -68,7 +68,7 @@ repos:
       - id: sphinx-lint
 
   - repo: https://github.com/tox-dev/pyproject-fmt
-    rev: v2.5.1
+    rev: v2.6.0
     hooks:
       - id: pyproject-fmt
 

Makefile

@@ -97,13 +97,27 @@ test:
 	python3 -c "import pytest" > /dev/null 2>&1 || python3 -m pip install pytest
 	python3 -m pytest -qq
 
+.PHONY: test-p
+test-p:
+	python3 -c "import xdist" > /dev/null 2>&1 || python3 -m pip install pytest-xdist
+	python3 -m pytest -qq -n auto
+
+
 .PHONY: valgrind
 valgrind:
 	python3 -c "import pytest_valgrind" > /dev/null 2>&1 || python3 -m pip install pytest-valgrind
-	PYTHONMALLOC=malloc valgrind --suppressions=Tests/oss-fuzz/python.supp --leak-check=no \
+	PILLOW_VALGRIND_TEST=true PYTHONMALLOC=malloc valgrind --suppressions=Tests/oss-fuzz/python.supp --leak-check=no \
             --log-file=/tmp/valgrind-output \
             python3 -m pytest --no-memcheck -vv --valgrind --valgrind-log=/tmp/valgrind-output
 
+.PHONY: valgrind-leak
+valgrind-leak:
+	python3 -c "import pytest_valgrind" > /dev/null 2>&1 || python3 -m pip install pytest-valgrind
+	PILLOW_VALGRIND_TEST=true PYTHONMALLOC=malloc valgrind --suppressions=Tests/oss-fuzz/python.supp \
+	    --leak-check=full --show-leak-kinds=definite --errors-for-leak-kinds=definite \
+            --log-file=/tmp/valgrind-output \
+            python3 -m pytest -vv --valgrind --valgrind-log=/tmp/valgrind-output
+
 .PHONY: readme
 readme:
 	python3 -c "import markdown2" > /dev/null 2>&1 || python3 -m pip install markdown2

README.md

@@ -95,7 +95,7 @@ This library provides extensive file format support, an efficient internal repre
 
 The core image library is designed for fast access to data stored in a few basic pixel formats. It should provide a solid foundation for a general image processing tool.
 
-## More Information
+## More information
 
 - [Documentation](https://pillow.readthedocs.io/)
   - [Installation](https://pillow.readthedocs.io/en/latest/installation/basic-installation.html)
@@ -107,6 +107,6 @@ The core image library is designed for fast access to data stored in a few basic
 - [Changelog](https://github.com/python-pillow/Pillow/releases)
   - [Pre-fork](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst#pre-fork)
 
-## Report a Vulnerability
+## Report a vulnerability
 
 To report a security vulnerability, please follow the procedure described in the [Tidelift security policy](https://tidelift.com/docs/security).

RELEASING.md

@@ -1,34 +1,15 @@
-# Release Checklist
+# Release checklist
 
 See https://pillow.readthedocs.io/en/stable/releasenotes/versioning.html for
 information about how the version numbers line up with releases.
 
-## Main Release
+## Main release
 
 Released quarterly on January 2nd, April 1st, July 1st and October 15th.
 
-* [ ] Open a release ticket e.g. https://github.com/python-pillow/Pillow/issues/3154
+* [ ] Create a new issue and select the "Maintainers only: Release" template.
-* [ ] Develop and prepare release in `main` branch.
+
-* [ ] Check [GitHub Actions](https://github.com/python-pillow/Pillow/actions) to confirm passing tests in `main` branch.
+## Point release
-* [ ] Check that all the wheel builds pass the tests in the [GitHub Actions "Wheels" workflow](https://github.com/python-pillow/Pillow/actions/workflows/wheels.yml) jobs by manually triggering them.
-* [ ] In compliance with [PEP 440](https://peps.python.org/pep-0440/), update version identifier in `src/PIL/_version.py`
-* [ ] Run pre-release check via `make release-test` in a freshly cloned repo.
-* [ ] Create branch and tag for release e.g.:
-  ```bash
-  git branch 5.2.x
-  git tag 5.2.0
-  git push --tags
-  ```
-* [ ] Check the [GitHub Actions "Wheels" workflow](https://github.com/python-pillow/Pillow/actions/workflows/wheels.yml)
-  has passed, including the "Upload release to PyPI" job. This will have been triggered
-  by the new tag.
-* [ ] Publish the [release on GitHub](https://github.com/python-pillow/Pillow/releases).
-* [ ] In compliance with [PEP 440](https://peps.python.org/pep-0440/),
-      increment and append `.dev0` to version identifier in `src/PIL/_version.py` and then:
-  ```bash
-  git push --all
-   ```
-## Point Release
 
 Released as needed for security, installation or critical bug fixes.
 
@@ -58,7 +39,7 @@ Released as needed for security, installation or critical bug fixes.
   git push
   ```
 
-## Embargoed Release
+## Embargoed release
 
 Released as needed privately to individual vendors for critical security-related bug fixes.
 
@@ -82,7 +63,7 @@ Released as needed privately to individual vendors for critical security-related
   git push origin 2.5.x
   ```
 
-## Publicize Release
+## Publicize release
 
 * [ ] Announce release availability via [Mastodon](https://fosstodon.org/@pillow) e.g. https://fosstodon.org/@pillow/110639450470725321
 
@@ -90,7 +71,7 @@ Released as needed privately to individual vendors for critical security-related
 
 * [ ] Make sure the [default version for Read the Docs](https://pillow.readthedocs.io/en/stable/) is up-to-date with the release changes
 
-## Docker Images
+## Docker images
 
 * [ ] Update Pillow in the Docker Images repository
   ```bash

Tests/README.rst

@@ -1,4 +1,4 @@
-Pillow Tests
+Pillow tests
 ============
 
 Test scripts are named ``test_xxx.py``. Helper classes and functions can be found in ``helper.py``.

Tests/check_wheel.py

@@ -9,15 +9,20 @@ from .helper import is_pypy
 
 
 def test_wheel_modules() -> None:
-    expected_modules = {"pil", "tkinter", "freetype2", "littlecms2", "webp"}
+    expected_modules = {"pil", "tkinter", "freetype2", "littlecms2", "webp", "avif"}
 
-    # tkinter is not available in cibuildwheel installed CPython on Windows
+    if sys.platform == "win32":
-    try:
+        # tkinter is not available in cibuildwheel installed CPython on Windows
-        import tkinter
+        try:
+            import tkinter
 
-        assert tkinter
+            assert tkinter
-    except ImportError:
+        except ImportError:
-        expected_modules.remove("tkinter")
+            expected_modules.remove("tkinter")
+
+        # libavif is not available on Windows for ARM64 architectures
+        if platform.machine() == "ARM64":
+            expected_modules.remove("avif")
 
     assert set(features.get_supported_modules()) == expected_modules
 

Tests/helper.py

@@ -161,6 +161,12 @@ def assert_tuple_approx_equal(
             pytest.fail(msg + ": " + repr(actuals) + " != " + repr(targets))
 
 
+def timeout_unless_slower_valgrind(timeout: float) -> pytest.MarkDecorator:
+    if "PILLOW_VALGRIND_TEST" in os.environ:
+        return pytest.mark.pil_noop_mark()
+    return pytest.mark.timeout(timeout)
+
+
 def skip_unless_feature(feature: str) -> pytest.MarkDecorator:
     reason = f"{feature} not available"
     return pytest.mark.skipif(not features.check(feature), reason=reason)
@@ -266,7 +272,7 @@ def _cached_hopper(mode: str) -> Image.Image:
     else:
         im = hopper()
     if mode.startswith("BGR;"):
-        with pytest.warns(DeprecationWarning):
+        with pytest.warns(DeprecationWarning, match="BGR;"):
             im = im.convert(mode)
     else:
         try:

Tests/images/hopper_bpp2.xpm

@@ -0,0 +1,390 @@
+/* XPM */
+static const char *hopper[] = {
+/* columns rows colors chars-per-pixel */
+"128 128 256 2 ",
+"   c #0C0C0D",
+".  c #0A0708",
+"X  c #1C0A04",
+"o  c #120B0C",
+"O  c #170808",
+"+  c #0B110D",
+"@  c #16120C",
+"#  c #0D0D12",
+"$  c #0D0D1A",
+"%  c #070A16",
+"&  c #120D13",
+"*  c #120E1A",
+"=  c #1A0C16",
+"-  c #0D1114",
+";  c #0D121B",
+":  c #091518",
+">  c #131215",
+",  c #14131B",
+"<  c #1A141C",
+"1  c #1B191D",
+"2  c #191517",
+"3  c #250906",
+"4  c #390904",
+"5  c #27150A",
+"6  c #250A18",
+"7  c #251719",
+"8  c #361410",
+"9  c #342215",
+"0  c #0C0C24",
+"q  c #0C0D2B",
+"w  c #060927",
+"e  c #130D24",
+"r  c #150D2A",
+"t  c #0C1225",
+"y  c #0C122C",
+"u  c #061227",
+"i  c #151422",
+"p  c #1A1522",
+"a  c #1C1B23",
+"s  c #13132C",
+"d  c #19172A",
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+"j  c #131333",
+"k  c #13143C",
+"l  c #191838",
+"z  c #241926",
+"x  c #231B38",
+"c  c #2E1226",
+"v  c #372628",
+"b  c #292538",
+"n  c #362B37",
+"m  c #2F2A2F",
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+"N  c #4C150D",
+"B  c #740F10",
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+"J  c #775A2E",
+"K  c #0E1444",
+"L  c #141443",
+"P  c #1B1A44",
+"I  c #14144B",
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+"Q  c #231C56",
+"!  c #1C234E",
+"~  c #272547",
+"^  c #2E2F52",
+"/  c #2E3765",
+"(  c #483947",
+")  c #742D4A",
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+"`  c #534A51",
+"'  c #6E534D",
+"]  c #756654",
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+"}  c #746B71",
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+"+. c #AC2F30",
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+">. c #996839",
+",. c #B6683B",
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+"2. c #D26D19",
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+"g. c #D17969",
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+"b. c #C9845A",
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+"M. c #E28C5B",
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+"B. c #C78867",
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+"D. c #E38A68",
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+"J. c #D6A371",
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+"P. c #D8A05D",
+"I. c #3D65AB",
+"U. c #3F67B2",
+"Y. c #3B5C9C",
+"T. c #506796",
+"R. c #72748D",
+"E. c #446AAE",
+"W. c #4869A9",
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+"/. c #4A71B6",
+"(. c #4C73BA",
+"). c #4772B6",
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+"]. c #5572A9",
+"[. c #6B7CAA",
+"{. c #505B8C",
+"}. c #557CC1",
+"|. c #4C73C2",
+" X c #897987",
+".X c #9F7593",
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+"uX c #B7ABB4",
+"iX c #B6AFB7",
+"pX c #C69B86",
+"aX c #D4978B",
+"sX c #EF9C83",
+"dX c #CAA487",
+"fX c #D7A787",
+"gX c #C7A899",
+"hX c #D1B294",
+"jX c #E9A887",
+"kX c #F8A886",
+"lX c #F9B798",
+"zX c #F1B291",
+"xX c #C9B3AD",
+"cX c #F4B9A5",
+"vX c #D497B3",
+"bX c #D5C6B1",
+"nX c #FEC4A6",
+"mX c #EAD0B2",
+"MX c #EDD1A4",
+"NX c #8399C8",
+"BX c #B2B4CD",
+"VX c #C7BBC7",
+"CX c #D3CBCF",
+"ZX c #ECDAD1",
+"AX c #F6E6DA",
+"SX c #F7EACF",
+"DX c #D1D1E9",
+"FX c #E7DDE4",
+"GX c #E9E5E8",
+"HX c #F7EAE6",
+"JX c #FDF6E9",
+"KX c #FEFCFE",
+"LX c #FAF7F7",
+"PX c #F1EBF6",
+"IX c #DCE2E5",
+"UX c #BEC5DF",
+/* pixels */
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+"j k k U P k 0 y L U k h U R I R T Q T E f E E E E I I I f k z ` Z.V d U T L P z >.B.c j l l l } IXKXKX8Xp ` t.` t.' G ] tXIXIXwX] ' z.t.` { c n PXKXLXUX+X].E.~.~.~.~.~.^.^.^.~.Q.E.E.E.E.U.U.U.~.~.~.~.~.~.~.~.~.~.I.I.I.I.~.~.~.Q.Q.Q.~.~.~.~.~.~.~./.(.(.(.(.",
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+"L U I T R Q j q k k h L I I R T R R T U L f q f E T U f j j 0 7 0.l.X ; % - # . . # . . . . o @ X X X X X X X 3 3 3 3 3 o o 3 3 o o 3 3 3 3 3 3 3 3 X X o X o o . . . & o o - % ! ].].'./.(.(.}.`.`.`.`.`.`.`.`.`.`.`.`.`.`.`.(.`.`._.(.(.(.(.(.(.(.(.(.(.(.(.(.",
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+"0XyXuX( = p . { ^ * d j j h y s r j s r 6 A S B 6.pXgXyXgXgXgXfXF.F.m.jXZ.0.>.;.Z N 3 9 v V =.b.b.n.G.L.V.p.a.p.s.s.g.H.sXsXH.sXsXH.G.sXH.D.s.n.V.p.F.L.F.n.A.B.9.H 9.c.yXtX+X+X-X2X5X5X5X-X>X>X>X>X,X,X>X>X-X-X>X,X,X*X*X*X*X>X-X-X-X-X-X-X-X-X-X-X-X-X-X-X-X>X",
+"` = { } z & < 7X{ * d r q j 0 s s r y r 6 A S B ..g.gXgXgXgXgXfXF.P.B.fXZ.>.;.,.<.Z N N N N F w.p.n.L.F.n.p.M.n.s.n.n.V.H.sXsXH.H.D.H.V.d.p.n.F.F.p.F.L.n.n.B.x.-.H 9.0XtXeX+X<X2X>X>X>X*X,X>X>X>X>X>X>X>X-X-X-X*X*X,X*X*X*X*X,X-X-X-X-X-X-X-X-X-X-X-X-X-X-X-X>X",
+"z p r z r * & }  Xx d r r s 0 s s s t * 6 N S B B r.gXgXgXgXhXfXP.P.B.J.Z.0.,.<.3.3.<.Z N N Z 0.a.b.V.F.M.3.n.M.s.p.p.p.i.q.8.;.:.:.8.q.p.D.F.V.V.a.M.M.M.a.B.r.J -.t.8X7X@X:X<X2X>X>X,X,X,X>X>X<X>X>X>X>X>X-X-X*X*X*X*X*X*X*X*X-X-X-X-X-X-X-X-X-X-X-X-X-X-X-X-X",
+"i d r s r * $ < } b d r d r 0 d y s i & 3 N B B B O.aXgXgXgXhXA.P.P.l.J.Z.0.,.<.3.2.k.k.<.Z N *.w.p.p.F.n.p.n.n.F.D.n.d.,.;.;.;.;.:.;.<.p.n.n.p.V.V.n.n.s.a.y.7.7.9.} 8XeX:X<X-X<X>X>X>X>X>X<X5X<X<X>X>X>X>X>X>X<X>X*X*X*X*X*X*X-X-X-X-X-X-X-X-X-X-X-X-X-X-X-X-X",
+"y q j q $ r * * b x d r d q i i t i = 6 N B B B B ..h.aXgXgXhXZ.P.m.b.J.A.>.<.<.3.2.2.2.3.1.B *.q.n.p.p.,.n.D.s.p.s.s.a.V.G.G.G.D.V.V.a.p.p.p.n.C.V.s.D.i.a.y.H 9.t.} eX+X1X<X>X>X>X,X>X>X<X3X5X<X<X<X>X>X>X>X>X<X>X>X*X>X>X>X*X>X-X-X-X-X-X-X-X-X-X-X-X-X-X-X-X",
+"l w h l s $ . & $ i s q j q y 0 t * 6 A B B B B B  .+.aXaXaXgXZ.P.m.b.K.A.<.,.3.4.2.2.2.4.1...O.d.w.q.a.n.n.D.F.F.D.V.H.zXzXzXzXzXL.kXkXL.L.L.L.C.a.n.d.s.q.B.' } 8XeX+X+X,X,X,X,X,X,X>X2X3X3X3X<X<X<X<X>X<X<X<X<X<X>X>X>X>X>X>X>X>X>X-X-X-X-X-X-X-X-X-X-X-X-X-X",
+"y l h s $ $ * & i 0 j f h q t ; , o 4 A S  .B B B .. .g.aXaXgXZ.m.P.m.G.C.q.3.4.4.2.2.2.4.4.o.o.s.q.p.p.V.a.n.V.s.D.D.D.L.lXlXlXzXH.kXkXL.L.F.L.B.b.a.;.a.e.c.t.} eXeX+X>X>X,X,X,X,X,X2X2X3X3X3X<X<X<X<X<X<X<X<X>X>X<X>X>X>X>X<X>X>X>X>X-X-X-X-X-X-X-X-X-X-X-X-X",
+"y h j s r $ # # i t q y h q t , = c A S  . .B B  .X...+.aXpXpXx.k.N.m.n.n.,.p.4.4.2.2.2.4.3.Z B e.b.q.w.p.b.p.n.n.M.n.n.F.F.L.kXH.G.kXzXkXL.C.C.e.0.;.q.q.r.y.t. XeX:X1X3X2X1X,X,X,X,X>X2X2X3X3X<X<X<X<X<X<X<X<X>X>X<X<X>X>X>X>X<X>X>X>X>X-X-X-X-X-X-X-X-X-X-X-X",
+"y s s s r $ # # $ d l q q q i = c A S ..X.X.B B  .X...@.f.S.aXe.k.N.k.p.p.<.3.4.3.2.2.2.3.,.Z F A.b.;.;.w.p.,.p.n.n.n.p.n.n.F.V.V.D.G.A.F.F.n.e.0.$.%.o.%.x.y.D 7X[.+X5X3X3X-X>X,X,X,X,X>X>X<X3X<X<X<X<X<X<X<X<X<X<X<X>X>X>X>X<X<X>X>X>X-X-X-X-X-X-X-X-X-X-X-X-X",
+"r s s i r $ # # ; d j q r d = 6 A S S ..X.X. .X. .....B :.S.aXe.k.N.k.<.<.<.3.<.2.2.2.k.<.$.8 gXaXB.r.%.$.%.%.;.a.n.b.a.s.e.e.q.e.g.B.f.a.a.q.=.F C Z C r.Z.t.o ^ R.+X5X3X6X6X2X>X,X,X,X>X>X<X<X<X<X<X<X<X<X<X<X<X<X<X>X>X>X<X<X<X<X>X>X-X-X-X-X-X-X-X-X-X-X-X-X",
+"r s s r r $ # - ; i q r r 6 6 A S S ....X.X. . . ..... .o.g.S.b.k.N.k.<.<.1.3.3.k.2.2.3.;.4 9 AXc.S.f.*.Z N Z C =.0.q.0.=.$.&.=.6.6.6.=.=.%.%.o.Z N Z r.B.Z.t.X < M T.:X5X3X3X4X3X<X,X,X,X,X<X<X<X<X<X<X<X<X<X<X<X<X<X>X>X>X>X<X<X<X>X>X-X-X-X-X-X-X-X-X-X-X-X-X",
+"s s s r r $ # - ; i r r 6 6 N S S  .X.X.X.X. .B  . . . .B i.V.b.k.N.k.<.<.:.3.3.3.4.k.<.4 X t.bX9.S.f.e.$.N N N Z F F Z V N V F F V N N Z Z C o.Z Z 0.B.B.Z.t.@ > $ y {.NX3X3X-X3X3X<X,X1X1X1X<X<X<X<X<X<X<X<X<X<X<X<X>X>X>X>X>X<X<X>X>X>X-X-X-X-X-X-X-X-X-X-X-X",
+"j j j r 0 $ # ; i p p 6 8 A S .. .X.X.X.X. . .B B B ..B X.:.D.,.k.N.k.1.:.%.p.<.,.<.-.8 X X wXgXH S.f.f.r.C C Z Z Z N 4 4 8 8 4 4 4 4 4 N C $.$.F 6.f.a.Z.Z.t.o . - $ y [ +X1X6X3X4X4X<X1X1X<X>X<X<X<X<X<X<X<X<X<X<X<X<X<X>X>X>X<X<X<X>X>X>X>X-X>X>X>X>X2X2X2X2X",
+"j j j q 0 $ # ; , * c c A S .. . .X.X.X.X. .B B B B .. .X.+.D.;.k.N.N.1.1.%.w.%.0.V 3 3 = & xXgXZ A.B.e.r.*.&.&.&.H V N 8 8 3 3 3 4 N V F =.6.*.*.0.e.B.B.pXz.X < # # ; % ^ @X,X>X3X4X3X1X<X>X>X<X<X<X<X<X<X<X<X1X<X<X<X<X<X>X>X<X<X<X<X>X>X>X>X>X>X>X>X2X2X2X2X",
+"j j j q 0 $ # - , z ( ) S S ..X. .X.X.X.X.X.B B B S B ..X.X.g.;.m.N.P.1.%.$.r.H 3 3 @ o * . CXmXV C.B.e.e.;.$.6.=.7.F V N 8 8 8 4 N V F &.6.6.*.6.f.e.B.B.mXt.o # , & . - + h _ @X:X1XNX1X<X4X4X<X<X<X<X<X3X<X<X4X4X4X4X1X<X>X>X<X<X<X<X<X<X3X3X>X>X>X>X>X2X2X2X",
+"s s d w r $ # . 7 } vXXXS ..X.X.X.X.X.X.X.B B B B B B X.....f.;.m.L.P.-.Z N 3 X o o # # # & CXZXF e.B.e.e.;.;.=.6.6.&.F Z V N 8 N N Z C =.6.*.*.0.f.e.B.hXZX} ; # # & & # # ; u w ! {.+XNX,X,X4X1X<X>X<X4X4X3X>X3X4X4X1X<X<X<X<X<X<X<X3X3X3X3X<X>X*X*X*X-X<X5X5X",
+"i r s r s $ . v 8XxXgXy.*...X.X. . .X.X.X. .B B B B X.X. .B y.r.0.>.Z 3 X X . . # # # # > @ CXZXF 0.A.e.0.q.;.=.;.=.O.O.C Z V V F C O.%.6.;.%.;.e.e.B.Z.SXAX| % # # # # # # # # ; t u h _ +XNX+X<X<X<X<X<X<X4X4X4X4X4X4X<X<X<X<X<X<X<X3X3X3X3X<X<X,X,X,X<X5X5X5X",
+"i r s s 0 # 2 } yXxX9Xy.g.O.....B ....X.X. .B B B B  .X...S F V 3 3 X X X @ & # # # # # & @ CXZXV -.B.C.a.<.;.;.;.*.O.&.F F F H &.O.$.=.8.=.%.0.q.e.B.hXAXAX` # # # # # # # # # ; % t l h u / [.1X1X1X1X1X1X<X<X1X>X>X4X4X<X1X4X<X<X3X3X3X3X3X>X<X<X,X,X<X<X5X5X",
+"d r s t % # 7 qXyXgX9Xc.aXr.@...B B  ... .B B B B B S B N 4 3 X X o o o . . # - # # # & = X xXHXD F S.V.w.w.;.<.;.=.$.&.F F F =.=.*.*.;.0.;.;.q.e.e.pXAXZXGXn # # # # # # . # # > , i t t y h h ^ T.+X+X+X1X1X<X4X1X4X4X4X>X>X>X<X<X3X3X3X3X3X2X<X<X,X,X<X<X5X5X",
+"d r 0 t ; , 7 qXxXgXqX9XgXaX8... . .....S B N 8 8 8 4 3 3 3 . . # # $ ; $ ; ; # # . . & = o tXHXhXV e.V.a.q.<.w.0.6.*.*.&.$.*.8.;.;.;.8.0.;.;.w.b.r.mXHXGXFX= > # # # # # # # # & # # i d i r t h w h {.eXNX1X1X,X,X1X1X1X<X>X4X<X<X3X3X3X3X3X3X<X>X,X,X<X<X5X5X",
+"r r y t ; 2 7 9XqXxXqXqXxXcXaXO.S S B N N 4 3 X @ X o o o & % % $ $ $ % % # - . . . o > & o  XFXHXt.&.f.a.,.w.<.q.0.=.&.*.*.=.8.;.:.;.0.q.;.;.e.0.pXAXZXPXVXo & # # # # # # # # & & < < , * , a i d y y l / T.+XNX1X1X1X,X,X1X4X<X<X3X3X3X2X2X2X>X>X>X-X5X<X5X5X",
+"r s y 0 # o 9 gXgXxXqXqXxXbXcX7.N 8 4 3 X @ . + - . . . . . # # . # > > > + + + . . . & # # | CXHXZXF 0.s.,.<.w.w.;.=.&.=.*.;.8.;.:.;.w.q.;.0.r.r.ZXAXGXGX} = o # # # # # # # # & & & < < < , < , i i i t y h h ^ _ ].+X1XNX1X,X1X<X<X<X3X3X2X>X2X>X-X-X5X5X5X5X",
+"s q q 0 , o 9 9XgXgXxXyXxXCXgXD 3 o o @ + + + . - . # - > # , . > . . . @ . . . . . . # # , | IXHXHXt.F e.a.,.<.w.;.=.&.=.%.;.8.;.;.;.q.;.=.=.-.hXAXHXGXGX` o & . # # . . . # # & < < * , < < > < < , , i d s y h l h h ! [ @XNX1X1X1X1X<X<X>X-X3X2X>X-X5X-X5X-X",
+"j q s 0 * o 9 9XgXxXxXyXtX X7 o o o . + . . . . & # # - - - - + + . . . o o . . > . # . # # ` IXFXLXZXF =.e.p.<.w.q.=.*.*.o.;.;.;.=.,.q.;.*.F c.ZXJXHXGXFX< & . . . # . . # # # # # * , i i , , < < < p i i i i s d l l y q l ! T.NX1X,X,X1X*X<X>X>X2X2X-X-X5X5X",
+"y y r r = o 5 9XqXbXwX7 2 2 . 2 & & & > # # & o & & # + + . . . . . . . o & & & # # , > - # n GXFXHXJXmX&.r.w.p.w.e.=.$.=.C $.$.$.=.%.w.;.C 9.ZXHXHXLXGX7X& $ # . . # . . . # # * , , , i i i i < < < < < p p p a i i d d s s j h ! T.NX1X,X,X*X<X>X2X2X-X-X5X5X",
+"0 s r r p & @ qXbXyX7 2 o & > & & = & & & # & # . . . . o o o o . . . # # & * * * * * , # & z FXPXHXLXAXZX6.a.s.e.e.6.*.=.C $.*.$.O.0.0.$.7.AXHXKXPXPXGXD . $ # . . . # # # # # * ; ; ; i i i i , < p p < < < < z < < p a p i r y h L _ @XeX1X,X<X<X3X>X-X-X-X-X",
+"i i $ r * & o wXxX` o < . # # # = = & & & & # - . . . . o o o o # # # # $ $ $ * * * * & . & 2 tXFXLXPXLXJXcX6.g.A.e.r.0.%.C *.&.$.&.e.0.H SXHXKXKXLXPXCX2 . # # & # # # . # # - # $ ; ; i t i i i i i i < < < < 7 < < < < < < p d s y h h ^ [.1X:X5X5X5X-X-X-X-X",
+"p = * * * & o 0XyXo 7 . $ 1 # > & & & & & > - - . . . . o o o o # # # $ $ $ $ $ $ # * * & & & ` FXGXKXKXLXJXpX6.B.B.b.e.=.$.r.&.&.y.r.H SXLXLXKXKXKXLX X& & & & > # # # # - - - # - ; i i i i i i i i i , , < < < < < < < < p a a x i t y h / NX:X5X5X5X-X-X-X-X",
+"v = * i # & = 0X' o . 1 , . & > - - & & & > & - . . . . . . . . # # # # # # # # # # & & , & < < xXFXPXKXKXLXJXc.r.B.A.B.e.0.y.0.r.y.7.AXLXLXKXKXKXKXPXn , > & > > > # # - - > > > , , i i i i i i i i i i , p < p , < , p i , , & & z i t y u [.:X<X5X5X5X-X-X-X",
+"{ 7 & , # # = 8Xv o & . - > > . + - & & & & & & # # # # . . . . . o o . . . . + + + + . - # p * t.GXPXKXKXKXJXJXx.e.B.B.x.e.y.e.e.c.AXLXLXKXKXKXKXKXtX# , > > > , ; # # - > > > > > > , , , i i i i i i i i i p i i , i i i t $ 7 o 7 > $ s u _ :X5X5X5X5X-X-X-X",
+"yXD & > # # o } o X > > - # o @ + + o o & & & & . # # # # # # . o o o o . . . . + . . . - # , p ` GXGXKXKXLXLXJXAXx.Z.fXMXnXcXcXcX9XAXKXKXKXKXKXKXLX| , , # < & , ; # - - > > > > > > > , , , i i i i i i i i i , i i i * t i i = 2 & > a % y K :X5X5X5X-X-X-X-X",
+"xX8X3 o o o 2 n o o > > > > & & > - # & o . & # . . . # # # # . # o & o . . . . . . # # # & , , m IXGXLXKXKXKXKXLXJXHXAXAXZXxXwXD 5 D FXKXKXKXKXLXCX, , 1 > . > > > > > > > , , , , , , , , , , i i i i i i , , , , , , , , , , # > , , > - $ q @X:X5X3X-X>X*X>X",
+"xXqXG X o o = z & & o > > & & # & # # . # # # # . . # # # # # . . # # - # # # # # # # # # # & & < tXPXPXLXKXKXKXKX8X` ` n v z < < < & m CXKXKXKXKX} , - > > > > > > > > , , , , , , , i , , , , i i i i i i , , i i i i , , * $ $ ; , , > & # 0 {.:X3X-X>X,X*X<X",
+"gXgXt.D X 3 7 & & & o & & & # # & > # # # . . . - - - # # # . . . . # # # # # # # # # # # # # & < } FXPXKXLXKXLX} < . a > & < > & > z > m IXKXLXGXb 1 , > < > > , , , , , , , , , , i i i i , , p i p p p p i i p p i , , * $ $ $ , , , & & - t ! 1X3X*X>X*X>X>X",
+"gXgXgXt.3 7 7 & & & o & & & # # # - # # # # # . > > > # . . . # . . # # # # # # . # # # # # # & > ` FXKXKXKXLX{ > & 1 1 < a < & 1 o . . a n GXKX8X< , 1 > < > > , , , , , , , , p p p p i , , , i i i p p p i i i i , , * * * $ $ , * * & & - t h +X*X<X*X*X3X-X",
+"hX9XhX9Xv 3 o o o o o & & & & & # # # # # # . . > > # # . . . . . . - - # # # # . # # # # # # & , b CXPXLXKX| # & , , . > , > 1 > 2 < < > & ` GXn , > , > > < > , , , , , , , , a a p p p , , , , i i i i i i i i i , , , , * $ , * * * & # # $ q {.+X<X*X>X3X-X",
+"hXpXgX0X' 7 X o o o o & & & & & # # # - > # # . > > # # # # . . . # - # # # . . # # # # # # # # & a R.PXKX| , , , # & & & > & > & & & & . z # ` 1 # 1 > > > 1 > < < , , , , , , p p p p p i , , , i i i i i i i i i i i , , , * * * * * & # # $ q ! 1X:X,X<X-X3X",
+"fXpXpXc.t.5 o o o o & # # # & & # . > > > > . . # . . . - # # . . . # # # # # # # # # # # # # & # a ` PX} , # # & . > > . > > # > 2 < & a . , 1 a > z , > , < > , , , , , , , , p p p p i , , , i i i i i i i p i i i , i , , * $ $ * * & # # $ t u [.+X,X<X-X3X",
+"hXpXpX9Xt.3 7 . o . # # # # # # # # - > > > . . . . . . - - # . . . # . # # # # . # # # # # > , , # z | & , > . # # > # . # . > & & < > # a , 1 , , , , & 1 > > , , , , , , , , p p p p i , , , , , , , , , , i , * , * , , , , $ $ * & & # # # % u _ +X,X-X3X3X",
+"fXpXpX9Xt.9 X o o . . # # # & > # . . . . # # - > # . # # # . . . . . . # # # # # # # # # # # > , , a # - 1 . > 1 > > > < . > m 7 z m , , , , < , , , , , , , > , , , , , , i p p i , i p p , , , , , * * , , i , , , , , , , * $ $ $ # & & & - ; u P +X1X5X3X2X",
+"fXpXpX9Xt.5 X o o . # # # # # # # - . . # # > > # . . # # # # . . . . . # # # # # # # # # # # & , , 1 > # # . > # # # 8XtXCXCXCXCXCXiX7Xa > , > , , , , , , , > , > > > , , , , , , , i p p < , , , , * * , , i i , , , , , * * $ $ $ # # # # # # % y [.:X<X3X3X",
+"fXdXpX9Xt.3 X o o # # - # # # . # - - - # > > > - # . . . # # # # # . . # # # # # # # # # # # # # ; , , & , 1 & 1 , | CXPXKXKXKXKXKXPXIX| 1 > # > > > , , , , > , , > > & > , , , , , p p p , , , , , * * , , , i , , , * * * $ , , ; - # # # # # % % [ +X1X3X3X",
+"fXdXpX9Xt.3 o o o # # # # # # . - - - - # > > > # . . . . # - # # # # # # # # # # & # # # # # # # ; ; , > , 1 # > 1 uXIXKXKXLXKXKXKXPXIX} 1 # , > > > , , , > > , , > > , , , , , , , p p i , , , , , * * * , , , , , * * * * $ , # # # # # # # # # % ^ :X1X2X3X",
+"fXdX9X9Xt.X o o o # . . # # # # . . . # # # # # - # . . . # # # # - - - # # # # # # # # # # # # , # # , , > < a < { CXLXKXKXKXKXKXKXPXGX( > , ; , , , , , , , < , , , , , , , , , i p p i , & # , , , * $ $ * , , , * * * * * $ # # # # # $ $ # o . $ P NX1X3X2X",
+"fXdXpX9X' X o o # # . . # # # & . . # # # # # # > > # . . # # # - - # - # # # # # # # # # # # # # ; , , a 1 > > n tXFXKXKXKXKXKXKXPXGXtX, , a # , , , , , , , < , , , , , , , , p p p i , * # # , , * * $ $ * , , * * * * * * # # # . # # $ * # o . ; u +X1X3X2X",
+"fXpXpX9XG X o o # # # # # # # # . . . . - # # # > > - . # . . . . . # # # # # # # # # # # # # # # , , # , , & m 7XCXLXKXKXKXKXKXKXPXCX` , , 1 , , , 1 1 , , , , , < , , , , i i p p i , * $ & & , , , , * $ * , , , * * * * $ # # # . . # $ * & o . # w [.1X<X3X",
+"fXpXpX9XD o o & # # # # # # # # . . # @ > @ - . > > - # # . . . . . # # # # # # # # # # # # # & , # , a a # m 7XCXGXKXKXLXKXKXKXPXCXuX< 1 a , i 1 1 1 1 , > > , 1 1 1 < 1 , p a p p < , $ # & * , , , , , ; , , , , , * & & # # # # . # # $ $ # & & # y {.1X<X3X",
+"Z.pXpX9XD @ & . > & # . . # # # . . > . 1 @ . @ > . . > . . . . . 2 & . # # > . > > & # # # # & , # a , a , 7XCXGXKXLXKXKXKXKXLXCXVX( z a 1 , i a 1 , , > > > > 1 - 1 , , 1 , , , & = o , # * = < & , $ , , ; , , - ; & & & # # $ # & # # # $ $ ; # $ t [ NX4X3X",
+"aXpXpX9X9 X & # & & & o . . # # > . . 1 . . 1 . @ @ o 2 . o > > . . . & , < . 1 & & & # # # # # # , , , i M R.CXFXKXKXKXKXKXPXIXrX} z < < a , 1 1 1 , < , > > > < > < a 1 , a < < = = = . & = 6 7 & a # - % ; , , # # # & & & - # # # & # # $ $ $ $ $ 0 _ NX4X3X",
+"fXZ.9X9X5 X & # # # & o . . # # . o 8X8X8X} } | ` ` n m 2 > o . 2 & > & . < . # # & # # # # # # # 1 # , , a ` iXIXPXLXKXKXLXCX7X} n , , , a , , < < < < < > > , , a < < , , < = 6 6 6 c 6 c 6 6 6 6 , ; t : & & = * & & & & . # # # # & # # $ $ $ ; * 0 ^ NX4X4X",
+"fXZ.9X9XX o & # # . o o # . # # 7 . 8XxXKXKXLX7X7X7XrXuXiXxXtXrX8X X{ ` & . 1 > # & # # # # # # # , # , , , a 7XVXHXKXLXLXFXrX{ ` i i a i a i , i < p < < , , , * x p p p < 1 ` D ) ) ) ) ) ) ) ) u.2 + + ; o = & & o > * # # - # # # o # # $ $ $ ; * 0 ! NX3X4X",
+"dXZ.9Xz.X o & # . # o o & # # # . z 8XCXLXKXCXt.8X7X7XrXtXiXxXxXiXiXtXtX{ > . . & & > # # # # # & # , a i i , | iXFXLXHXZX7X} } n t i i a $ i p i p p p p , , , d r * < z & o 8X5.5.5.5.5.5.5.5.5.vX7 + ; , = = 2 > @ > $ % . . # # # & # # $ $ # ; # $ l +X<X3X",
+"pXpXpXt.X o o # # . o o . # # # . v tXxXIXFXCXrX8XtXuXiXiXxXiXxXiXuXtXuX7X` > & & & & & # # - > , # , , i a , m uXVXZXFXtX X8X8Xi t i i a * p p p p p i i 1 , , ; i x = < < 6 0X5.5.5.5.5.5.5.5.5.vXv @ = = 8 3 3 3 X 2 , % # . # # # & & & ; ; ; - , $ h [.1X4X",
+"pXpXpX' o o . # & & o o . . # # < D yXCXCXVXFX7X8XuXVXCXCXCXVXCXCXVXxXiXVX7X` . & & & & # & > > , , , , , i a & 8XCXFXxX8XrXVX` , i p , p p p p i a i i , 1 , , 1 > 6 7 { rXu.u.u.) .Xu.u.u.XXu..X7X' t.u.7.O.@.O.7.9.] ( r o o # # & & > > ; ; ; , < , y {.1X4X",
+"pXpX9XD o o . & > o o o . . # # & `  XuXFXFX7Xt.8XrXrXrXtXuXuXiXiXuXyXtXuXtX7Xz & & & & # # > > # , # a i * a < ` VXxXrX8X8X7X= < * < * * p , , i a i 1 , , , > @ 5 A ' yXPXvXu..X} uX X.Xu.vX{ BX} ] cXXXh.+.j.+.h.pX9X' = o = & - & > > > ; ; - # , $ y [ 1X4X",
+"dX9X9X9 o > # # . . o o . . # # & n { } } }  X7X7X7X7XrXtXtXuXuXtXtXtXtXrXrX7Xz # & # & # # # # > , ; ; , , , < & uXyX} ` 8Xv & < * * * * , , , i , , , < < < 7 4 V O.u.vXPXvXu..X{ VX X7Xt.vX} BXR.9.aXg.h.j.#.#.h.g.pX' z & > & > > > > $ ; ; ; > , $ y / 1X4X",
+"dXpX9X9 @ > . # # . o o o o & > . & & # . . < z m n n ` ` { } } 8X7X8X7X7X7X7Xz # # # # # # # # > > , , , * , * < ' 8X` D { & = , , , , , , , , ; ; , < = 6 6 8 Z *.8.8.5.h.5.u. XrX8X X X7Xu.t.8X} ' 8.5.j.#.#.#.#.+.r.A & . > # > > > , ; ; ; ; > > , y ^ NXNX",
+"pXpXz.5 @ > . - . . o o o . # # # # . # & & # # & & & # . . # & & & 2 z m n n & # . # # # # # > > & # # $ * * & = 7 ` D ( c & & # - - - , , 1 1 1 1 , 2 6 c A F 0.G.G.D.+.j.5.XXrXVX` 7XiXGX( { uXrXu.5.j.#.#.#.#.#.+.h.c * # > # & > > , , ; ; ; - > i t h NX4X",
+"pXpXt.X @ > . > . . . o . . # # . . . # # - # # # # # # # # # & & . o & . . # & # # . # # # # & > & # # $ $ # & & & 7 ( D . < & # - - - - ; 1 1 1 1 , = 6 c D F e.K.A.B.+.+.5.u.rXVX| 7XrXCX' t.uX.Xu.5.j.+.+.+.+.+.+.y.v ; . . # , > > , ; ; ; ; > > i t u NX4X",
+"pX9X] X o & . # # . o o o . # # - > > . . . . # . . # # # # # # o o 2 . # < & . # # # # # # # # & & # # # # # # & & > m < > # , - - - - - - , , 1 , > 2 7 c A A F H F D A A A A ( ( a M b ` c v n m c 4 N N 4 4 N 4 N N O . - , ; , > & & $ ; ; ; , , , t u NX1X",
+"pX9X' X o & . . . . o o o o . # # + - > > > > # # > > > > > > & > & < . . & . # # # # # # # # # & & & # # # # - > & > & . < # - - - - - > , < 1 , ; - > < 7 6 6 6 7 o 7 6 6 7 z z < i a z < , 1 < < 6 c o 2 @ @ 7 3 3 X = . - - ; , * & * $ ; ; ; , , * t u @X1X",
+"pX9XD X o . . . . . . . . . . . > . . . . . # & # & # # . . . . . . > & , . . > # # # # # # # # & # # # # - - , & , > > # - , # - - , * < < p < , ; ; - , > < < p < z z a < = 7 z z a , p x d - , < < z < , , p = < z = = o . # , * * * * $ ; ; ; - , # t u {.NX",
+"pXc.D X o . # # . . o o o o # & # . @ > - > & & & & & & & & & & > . > . > # , # # # # . # # # # & . # # # ; ; , , . # > . - , , , , , < z 6 = * # ; : : : , 1 1 i i p p ; a 7 7 < < < z z = i i , 1 < & , p i r r r * * o & & > $ * , , * , ; ; ; # , # i q _ NX"
+};

Tests/oss-fuzz/python.supp

@@ -14,3 +14,23 @@
    fun:_TIFFReadEncodedTileAndAllocBuffer
    ...
 }
+
+{
+   <python_alloc_possible_leak>
+   Memcheck:Leak
+   match-leak-kinds: all
+   fun:malloc
+   fun:_PyMem_RawMalloc
+   fun:PyObject_Malloc
+   ...
+}
+
+{
+   <python_realloc_possible_leak>
+   Memcheck:Leak
+   match-leak-kinds: all
+   fun:malloc
+   fun:_PyMem_RawRealloc
+   fun:PyMem_Realloc
+   ...
+}

Tests/test_core_resources.py

@@ -188,5 +188,5 @@ class TestEnvVars:
         ),
     )
     def test_warnings(self, var: dict[str, str]) -> None:
-        with pytest.warns(UserWarning):
+        with pytest.warns(UserWarning, match=list(var)[0]):
             Image._apply_env_variables(var)

Tests/test_deprecate.py

@@ -47,7 +47,6 @@ def test_unknown_version() -> None:
     ],
 )
 def test_old_version(deprecated: str, plural: bool, expected: str) -> None:
-    expected = r""
     with pytest.raises(RuntimeError, match=expected):
         _deprecate.deprecate(deprecated, 1, plural=plural)
 

Tests/test_features.py

@@ -19,7 +19,7 @@ def test_check() -> None:
         assert features.check_codec(codec) == features.check(codec)
     for feature in features.features:
         if "webp" in feature:
-            with pytest.warns(DeprecationWarning):
+            with pytest.warns(DeprecationWarning, match="webp"):
                 assert features.check_feature(feature) == features.check(feature)
         else:
             assert features.check_feature(feature) == features.check(feature)
@@ -49,24 +49,24 @@ def test_version() -> None:
         test(codec, features.version_codec)
     for feature in features.features:
         if "webp" in feature:
-            with pytest.warns(DeprecationWarning):
+            with pytest.warns(DeprecationWarning, match="webp"):
                 test(feature, features.version_feature)
         else:
             test(feature, features.version_feature)
 
 
 def test_webp_transparency() -> None:
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="transp_webp"):
         assert (features.check("transp_webp") or False) == features.check_module("webp")
 
 
 def test_webp_mux() -> None:
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="webp_mux"):
         assert (features.check("webp_mux") or False) == features.check_module("webp")
 
 
 def test_webp_anim() -> None:
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="webp_anim"):
         assert (features.check("webp_anim") or False) == features.check_module("webp")
 
 
@@ -95,10 +95,9 @@ def test_check_codecs(feature: str) -> None:
 
 
 def test_check_warns_on_nonexistent() -> None:
-    with pytest.warns(UserWarning) as cm:
+    with pytest.warns(UserWarning, match="Unknown feature 'typo'."):
         has_feature = features.check("typo")
     assert has_feature is False
-    assert str(cm[-1].message) == "Unknown feature 'typo'."
 
 
 def test_supported_modules() -> None:

Tests/test_file_apng.py

@@ -305,11 +305,11 @@ def test_apng_chunk_errors() -> None:
         assert isinstance(im, PngImagePlugin.PngImageFile)
         assert not im.is_animated
 
-    with pytest.warns(UserWarning):
+    with pytest.warns(UserWarning, match="Invalid APNG"):
-        with Image.open("Tests/images/apng/chunk_multi_actl.png") as im:
+        im = Image.open("Tests/images/apng/chunk_multi_actl.png")
-            im.load()
+    assert isinstance(im, PngImagePlugin.PngImageFile)
-        assert isinstance(im, PngImagePlugin.PngImageFile)
+    assert not im.is_animated
-        assert not im.is_animated
+    im.close()
 
     with Image.open("Tests/images/apng/chunk_actl_after_idat.png") as im:
         assert isinstance(im, PngImagePlugin.PngImageFile)
@@ -332,18 +332,20 @@ def test_apng_chunk_errors() -> None:
 
 
 def test_apng_syntax_errors() -> None:
-    with pytest.warns(UserWarning):
+    with pytest.warns(UserWarning, match="Invalid APNG"):
-        with Image.open("Tests/images/apng/syntax_num_frames_zero.png") as im:
+        im = Image.open("Tests/images/apng/syntax_num_frames_zero.png")
-            assert isinstance(im, PngImagePlugin.PngImageFile)
+    assert isinstance(im, PngImagePlugin.PngImageFile)
-            assert not im.is_animated
+    assert not im.is_animated
-            with pytest.raises(OSError):
+    with pytest.raises(OSError):
-                im.load()
+        im.load()
+    im.close()
 
-    with pytest.warns(UserWarning):
+    with pytest.warns(UserWarning, match="Invalid APNG"):
-        with Image.open("Tests/images/apng/syntax_num_frames_zero_default.png") as im:
+        im = Image.open("Tests/images/apng/syntax_num_frames_zero_default.png")
-            assert isinstance(im, PngImagePlugin.PngImageFile)
+    assert isinstance(im, PngImagePlugin.PngImageFile)
-            assert not im.is_animated
+    assert not im.is_animated
-            im.load()
+    im.load()
+    im.close()
 
     # we can handle this case gracefully
     with Image.open("Tests/images/apng/syntax_num_frames_low.png") as im:
@@ -356,11 +358,12 @@ def test_apng_syntax_errors() -> None:
             im.seek(im.n_frames - 1)
             im.load()
 
-    with pytest.warns(UserWarning):
+    with pytest.warns(UserWarning, match="Invalid APNG"):
-        with Image.open("Tests/images/apng/syntax_num_frames_invalid.png") as im:
+        im = Image.open("Tests/images/apng/syntax_num_frames_invalid.png")
-            assert isinstance(im, PngImagePlugin.PngImageFile)
+    assert isinstance(im, PngImagePlugin.PngImageFile)
-            assert not im.is_animated
+    assert not im.is_animated
-            im.load()
+    im.load()
+    im.close()
 
 
 @pytest.mark.parametrize(

Tests/test_file_avif.py

@@ -77,8 +77,8 @@ class TestUnsupportedAvif:
     def test_unsupported(self, monkeypatch: pytest.MonkeyPatch) -> None:
         monkeypatch.setattr(AvifImagePlugin, "SUPPORTED", False)
 
-        with pytest.warns(UserWarning):
+        with pytest.raises(UnidentifiedImageError):
-            with pytest.raises(UnidentifiedImageError):
+            with pytest.warns(UserWarning, match="AVIF support not installed"):
                 with Image.open(TEST_AVIF_FILE):
                     pass
 
@@ -279,7 +279,7 @@ class TestFileAvif:
         with Image.open(out_gif) as reread:
             reread_value = reread.convert("RGB").getpixel((1, 1))
         difference = sum([abs(original_value[i] - reread_value[i]) for i in range(3)])
-        assert difference <= 3
+        assert difference <= 6
 
     def test_save_single_frame(self, tmp_path: Path) -> None:
         temp_file = tmp_path / "temp.avif"
@@ -300,7 +300,9 @@ class TestFileAvif:
             assert_image(im, "RGBA", (64, 64))
 
             # image has 876 transparent pixels
-            assert im.getchannel("A").getcolors()[0] == (876, 0)
+            colors = im.getchannel("A").getcolors()
+            assert colors is not None
+            assert colors[0] == (876, 0)
 
     def test_save_transparent(self, tmp_path: Path) -> None:
         im = Image.new("RGBA", (10, 10), (0, 0, 0, 0))

Tests/test_file_blp.py

@@ -7,9 +7,8 @@ import pytest
 from PIL import BlpImagePlugin, Image
 
 from .helper import (
-    assert_image_equal,
     assert_image_equal_tofile,
-    assert_image_similar,
+    assert_image_similar_tofile,
     hopper,
 )
 
@@ -52,18 +51,16 @@ def test_save(tmp_path: Path) -> None:
         im = hopper("P")
         im.save(f, blp_version=version)
 
-        with Image.open(f) as reloaded:
+        assert_image_equal_tofile(im.convert("RGB"), f)
-            assert_image_equal(im.convert("RGB"), reloaded)
 
         with Image.open("Tests/images/transparent.png") as im:
             f = tmp_path / "temp.blp"
             im.convert("P").save(f, blp_version=version)
 
-            with Image.open(f) as reloaded:
+            assert_image_similar_tofile(im, f, 8)
-                assert_image_similar(im, reloaded, 8)
 
     im = hopper()
-    with pytest.raises(ValueError):
+    with pytest.raises(ValueError, match="Unsupported BLP image mode"):
         im.save(f)
 
 

Tests/test_file_dds.py

@@ -511,3 +511,20 @@ def test_save_dx10_bc5(tmp_path: Path) -> None:
     im = hopper("L")
     with pytest.raises(OSError, match="only RGB mode can be written as BC5"):
         im.save(out, pixel_format="BC5")
+
+
+@pytest.mark.parametrize(
+    "pixel_format, mode",
+    (
+        ("DXT1", "RGBA"),
+        ("DXT3", "RGBA"),
+        ("DXT5", "RGBA"),
+        ("BC2", "RGBA"),
+        ("BC3", "RGBA"),
+        ("BC5", "RGB"),
+    ),
+)
+def test_save_large_file(tmp_path: Path, pixel_format: str, mode: str) -> None:
+    im = hopper(mode).resize((440, 440))
+    # should not error in valgrind
+    im.save(tmp_path / "img.dds", pixel_format=pixel_format)

Tests/test_file_eps.py

@@ -15,6 +15,7 @@ from .helper import (
     is_win32,
     mark_if_feature_version,
     skip_unless_feature,
+    timeout_unless_slower_valgrind,
 )
 
 HAS_GHOSTSCRIPT = EpsImagePlugin.has_ghostscript()
@@ -398,7 +399,7 @@ def test_emptyline() -> None:
     assert image.format == "EPS"
 
 
-@pytest.mark.timeout(timeout=5)
+@timeout_unless_slower_valgrind(5)
 @pytest.mark.parametrize(
     "test_file",
     ["Tests/images/eps/timeout-d675703545fee17acab56e5fec644c19979175de.eps"],

Tests/test_file_fli.py

@@ -7,7 +7,12 @@ import pytest
 
 from PIL import FliImagePlugin, Image, ImageFile
 
-from .helper import assert_image_equal, assert_image_equal_tofile, is_pypy
+from .helper import (
+    assert_image_equal,
+    assert_image_equal_tofile,
+    is_pypy,
+    timeout_unless_slower_valgrind,
+)
 
 # created as an export of a palette image from Gimp2.6
 # save as...-> hopper.fli, default options.
@@ -189,7 +194,7 @@ def test_seek() -> None:
         "Tests/images/timeout-bff0a9dc7243a8e6ede2408d2ffa6a9964698b87.fli",
     ],
 )
-@pytest.mark.timeout(timeout=3)
+@timeout_unless_slower_valgrind(3)
 def test_timeouts(test_file: str) -> None:
     with open(test_file, "rb") as f:
         with Image.open(f) as im:

Tests/test_file_gif.py

@@ -225,6 +225,7 @@ def test_optimize_if_palette_can_be_reduced_by_half() -> None:
         out = BytesIO()
         im.save(out, "GIF", optimize=optimize)
         with Image.open(out) as reloaded:
+            assert reloaded.palette is not None
             assert len(reloaded.palette.palette) // 3 == colors
 
 
@@ -587,7 +588,9 @@ def test_dispose_background_transparency() -> None:
         img.seek(2)
         px = img.load()
         assert px is not None
-        assert px[35, 30][3] == 0
+        value = px[35, 30]
+        assert isinstance(value, tuple)
+        assert value[3] == 0
 
 
 @pytest.mark.parametrize(
@@ -1276,7 +1279,9 @@ def test_removed_transparency(tmp_path: Path) -> None:
         im.putpixel((x, 0), (x, 0, 0))
 
     im.info["transparency"] = (255, 255, 255)
-    with pytest.warns(UserWarning):
+    with pytest.warns(
+        UserWarning, match="Couldn't allocate palette entry for transparency"
+    ):
         im.save(out)
 
     with Image.open(out) as reloaded:
@@ -1298,7 +1303,7 @@ def test_rgb_transparency(tmp_path: Path) -> None:
     im = Image.new("RGB", (1, 1))
     im.info["transparency"] = b""
     ims = [Image.new("RGB", (1, 1))]
-    with pytest.warns(UserWarning):
+    with pytest.warns(UserWarning, match="should be converted to RGBA images"):
         im.save(out, save_all=True, append_images=ims)
 
     with Image.open(out) as reloaded:
@@ -1406,6 +1411,7 @@ def test_palette_save_all_P(tmp_path: Path) -> None:
         # Assert that the frames are correct, and each frame has the same palette
         assert_image_equal(im.convert("RGB"), frames[0].convert("RGB"))
         assert im.palette is not None
+        assert im.global_palette is not None
         assert im.palette.palette == im.global_palette.palette
 
         im.seek(1)
@@ -1469,7 +1475,9 @@ def test_getdata(monkeypatch: pytest.MonkeyPatch) -> None:
 def test_lzw_bits() -> None:
     # see https://github.com/python-pillow/Pillow/issues/2811
     with Image.open("Tests/images/issue_2811.gif") as im:
-        assert im.tile[0][3][0] == 11  # LZW bits
+        args = im.tile[0][3]
+        assert isinstance(args, tuple)
+        assert args[0] == 11  # LZW bits
         # codec error prepatch
         im.load()
 
@@ -1524,7 +1532,11 @@ def test_saving_rgba(tmp_path: Path) -> None:
 
     with Image.open(out) as reloaded:
         reloaded_rgba = reloaded.convert("RGBA")
-        assert reloaded_rgba.load()[0, 0][3] == 0
+        px = reloaded_rgba.load()
+        assert px is not None
+        value = px[0, 0]
+        assert isinstance(value, tuple)
+        assert value[3] == 0
 
 
 @pytest.mark.parametrize("params", ({}, {"disposal": 2, "optimize": False}))

Tests/test_file_icns.py

@@ -95,7 +95,9 @@ def test_sizes() -> None:
         for w, h, r in im.info["sizes"]:
             wr = w * r
             hr = h * r
-            with pytest.warns(DeprecationWarning):
+            with pytest.warns(
+                DeprecationWarning, match=r"Setting size to \(width, height, scale\)"
+            ):
                 im.size = (w, h, r)
             im.load()
             assert im.mode == "RGBA"

Tests/test_file_ico.py

@@ -99,6 +99,7 @@ def test_getpixel(tmp_path: Path) -> None:
         reloaded.load()
         reloaded.size = (32, 32)
 
+        assert reloaded.load() is not None
         assert reloaded.getpixel((0, 0)) == (18, 20, 62)
 
 
@@ -233,7 +234,7 @@ def test_save_append_images(tmp_path: Path) -> None:
 def test_unexpected_size() -> None:
     # This image has been manually hexedited to state that it is 16x32
     # while the image within is still 16x16
-    with pytest.warns(UserWarning):
+    with pytest.warns(UserWarning, match="Image was not the expected size"):
         with Image.open("Tests/images/hopper_unexpected.ico") as im:
             assert im.size == (16, 16)
 

Tests/test_file_iptc.py

@@ -23,6 +23,9 @@ def test_open() -> None:
         assert im.tile == [("iptc", (0, 0, 1, 1), 25, "raw")]
         assert_image_equal(im, expected)
 
+    with Image.open(f) as im:
+        assert im.load() is not None
+
 
 def test_getiptcinfo_jpg_none() -> None:
     # Arrange
@@ -99,7 +102,7 @@ def test_i() -> None:
     c = b"a"
 
     # Act
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="IptcImagePlugin.i"):
         ret = IptcImagePlugin.i(c)
 
     # Assert
@@ -114,7 +117,7 @@ def test_dump(monkeypatch: pytest.MonkeyPatch) -> None:
     monkeypatch.setattr(sys, "stdout", mystdout)
 
     # Act
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="IptcImagePlugin.dump"):
         IptcImagePlugin.dump(c)
 
     # Assert
@@ -122,5 +125,5 @@ def test_dump(monkeypatch: pytest.MonkeyPatch) -> None:
 
 
 def test_pad_deprecation() -> None:
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="IptcImagePlugin.PAD"):
         assert IptcImagePlugin.PAD == b"\0\0\0\0"

Tests/test_file_jpeg.py

@@ -32,6 +32,7 @@ from .helper import (
     is_win32,
     mark_if_feature_version,
     skip_unless_feature,
+    timeout_unless_slower_valgrind,
 )
 
 ElementTree: ModuleType | None
@@ -129,30 +130,26 @@ class TestFileJpeg:
     def test_cmyk(self) -> None:
         # Test CMYK handling.  Thanks to Tim and Charlie for test data,
         # Michael for getting me to look one more time.
-        f = "Tests/images/pil_sample_cmyk.jpg"
+        def check(im: ImageFile.ImageFile) -> None:
-        with Image.open(f) as im:
+            cmyk = im.getpixel((0, 0))
-            # the source image has red pixels in the upper left corner.
+            assert isinstance(cmyk, tuple)
-            c, m, y, k = (x / 255.0 for x in im.getpixel((0, 0)))
+            c, m, y, k = (x / 255.0 for x in cmyk)
             assert c == 0.0
             assert m > 0.8
             assert y > 0.8
             assert k == 0.0
             # the opposite corner is black
-            c, m, y, k = (
+            cmyk = im.getpixel((im.size[0] - 1, im.size[1] - 1))
-                x / 255.0 for x in im.getpixel((im.size[0] - 1, im.size[1] - 1))
+            assert isinstance(cmyk, tuple)
-            )
+            k = cmyk[3] / 255.0
             assert k > 0.9
+
+        with Image.open("Tests/images/pil_sample_cmyk.jpg") as im:
+            # the source image has red pixels in the upper left corner.
+            check(im)
+
             # roundtrip, and check again
-            im = self.roundtrip(im)
+            check(self.roundtrip(im))
-            c, m, y, k = (x / 255.0 for x in im.getpixel((0, 0)))
-            assert c == 0.0
-            assert m > 0.8
-            assert y > 0.8
-            assert k == 0.0
-            c, m, y, k = (
-                x / 255.0 for x in im.getpixel((im.size[0] - 1, im.size[1] - 1))
-            )
-            assert k > 0.9
 
     def test_rgb(self) -> None:
         def getchannels(im: JpegImagePlugin.JpegImageFile) -> tuple[int, ...]:
@@ -749,10 +746,13 @@ class TestFileJpeg:
 
         # Act
         # Shouldn't raise error
-        fn = "Tests/images/sugarshack_bad_mpo_header.jpg"
+        with pytest.warns(UserWarning, match="malformed MPO file"):
-        with pytest.warns(UserWarning, Image.open, fn) as im:
+            im = Image.open("Tests/images/sugarshack_bad_mpo_header.jpg")
-            # Assert
+
-            assert im.format == "JPEG"
+        # Assert
+        assert im.format == "JPEG"
+
+        im.close()
 
     @pytest.mark.parametrize("mode", ("1", "L", "RGB", "RGBX", "CMYK", "YCbCr"))
     def test_save_correct_modes(self, mode: str) -> None:
@@ -1033,7 +1033,7 @@ class TestFileJpeg:
         with pytest.raises(ValueError):
             im.save(f, xmp=b"1" * 65505)
 
-    @pytest.mark.timeout(timeout=1)
+    @timeout_unless_slower_valgrind(1)
     def test_eof(self, monkeypatch: pytest.MonkeyPatch) -> None:
         # Even though this decoder never says that it is finished
         # the image should still end when there is no new data
@@ -1064,10 +1064,16 @@ class TestFileJpeg:
         for marker in b"\xff\xd8", b"\xff\xd9":
             assert marker in data[1]
             assert marker in data[2]
-        # DHT, DQT
+
-        for marker in b"\xff\xc4", b"\xff\xdb":
+        # DQT
+        markers = [b"\xff\xdb"]
+        if features.check_feature("libjpeg_turbo"):
+            # DHT
+            markers.append(b"\xff\xc4")
+        for marker in markers:
             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]
@@ -1094,9 +1100,9 @@ class TestFileJpeg:
     def test_deprecation(self) -> None:
         with Image.open(TEST_FILE) as im:
             assert isinstance(im, JpegImagePlugin.JpegImageFile)
-            with pytest.warns(DeprecationWarning):
+            with pytest.warns(DeprecationWarning, match="huffman_ac"):
                 assert im.huffman_ac == {}
-            with pytest.warns(DeprecationWarning):
+            with pytest.warns(DeprecationWarning, match="huffman_dc"):
                 assert im.huffman_dc == {}
 
 

Tests/test_file_mpo.py

@@ -156,6 +156,7 @@ def test_reload_exif_after_seek() -> None:
 def test_mp(test_file: str) -> None:
     with Image.open(test_file) as im:
         mpinfo = im._getmp()
+        assert mpinfo is not None
         assert mpinfo[45056] == b"0100"
         assert mpinfo[45057] == 2
 
@@ -165,6 +166,7 @@ def test_mp_offset() -> None:
     # in APP2 data, in contrast to normal 8
     with Image.open("Tests/images/sugarshack_ifd_offset.mpo") as im:
         mpinfo = im._getmp()
+        assert mpinfo is not None
         assert mpinfo[45056] == b"0100"
         assert mpinfo[45057] == 2
 
@@ -181,6 +183,7 @@ def test_mp_no_data() -> None:
 def test_mp_attribute(test_file: str) -> None:
     with Image.open(test_file) as im:
         mpinfo = im._getmp()
+    assert mpinfo is not None
     for frame_number, mpentry in enumerate(mpinfo[0xB002]):
         mpattr = mpentry["Attribute"]
         if frame_number:
@@ -293,16 +296,18 @@ def test_save_all() -> None:
             assert_image_similar(im, im_reloaded, 30)
 
     im = Image.new("RGB", (1, 1))
-    im2 = Image.new("RGB", (1, 1), "#f00")
+    for colors in (("#f00",), ("#f00", "#0f0")):
-    im_reloaded = roundtrip(im, save_all=True, append_images=[im2])
+        append_images = [Image.new("RGB", (1, 1), color) for color in colors]
+        im_reloaded = roundtrip(im, save_all=True, append_images=append_images)
 
-    assert_image_equal(im, im_reloaded)
+        assert_image_equal(im, im_reloaded)
-    assert isinstance(im_reloaded, MpoImagePlugin.MpoImageFile)
+        assert isinstance(im_reloaded, MpoImagePlugin.MpoImageFile)
-    assert im_reloaded.mpinfo is not None
+        assert im_reloaded.mpinfo is not None
-    assert im_reloaded.mpinfo[45056] == b"0100"
+        assert im_reloaded.mpinfo[45056] == b"0100"
 
-    im_reloaded.seek(1)
+        for im_expected in append_images:
-    assert_image_similar(im2, im_reloaded, 1)
+            im_reloaded.seek(im_reloaded.tell() + 1)
+            assert_image_similar(im_reloaded, im_expected, 1)
 
     # Test that a single frame image will not be saved as an MPO
     jpg = roundtrip(im, save_all=True)
@@ -357,6 +362,9 @@ def test_save_xmp() -> None:
     im2.encoderinfo = {"xmp": b"Second frame"}
     im_reloaded = roundtrip(im, xmp=b"First frame", save_all=True, append_images=[im2])
 
+    # Test that encoderinfo is unchanged
+    assert im2.encoderinfo == {"xmp": b"Second frame"}
+
     assert im_reloaded.info["xmp"] == b"First frame"
 
     im_reloaded.seek(1)

Tests/test_file_pcx.py

@@ -37,6 +37,11 @@ def test_sanity(tmp_path: Path) -> None:
         im.save(f)
 
 
+def test_p_4_planes() -> None:
+    with Image.open("Tests/images/p_4_planes.pcx") as im:
+        assert im.getpixel((0, 0)) == 3
+
+
 def test_bad_image_size() -> None:
     with open("Tests/images/pil184.pcx", "rb") as fp:
         data = fp.read()

Tests/test_file_pdf.py

@@ -13,7 +13,12 @@ import pytest
 
 from PIL import Image, PdfParser, features
 
-from .helper import hopper, mark_if_feature_version, skip_unless_feature
+from .helper import (
+    hopper,
+    mark_if_feature_version,
+    skip_unless_feature,
+    timeout_unless_slower_valgrind,
+)
 
 
 def helper_save_as_pdf(tmp_path: Path, mode: str, **kwargs: Any) -> str:
@@ -379,8 +384,7 @@ def test_pdf_append_to_bytesio() -> None:
     assert len(f.getvalue()) > initial_size
 
 
-@pytest.mark.timeout(1)
+@timeout_unless_slower_valgrind(1)
-@pytest.mark.skipif("PILLOW_VALGRIND_TEST" in os.environ, reason="Valgrind is slower")
 @pytest.mark.parametrize("newline", (b"\r", b"\n"))
 def test_redos(newline: bytes) -> None:
     malicious = b" trailer<<>>" + newline * 3456

Tests/test_file_png.py

@@ -100,11 +100,11 @@ class TestFilePng:
             assert im.format == "PNG"
             assert im.get_format_mimetype() == "image/png"
 
-        for mode in ["1", "L", "P", "RGB", "I", "I;16", "I;16B"]:
+        for mode in ["1", "L", "P", "RGB", "I;16", "I;16B"]:
             im = hopper(mode)
             im.save(test_file)
             with Image.open(test_file) as reloaded:
-                if mode in ("I", "I;16B"):
+                if mode == "I;16B":
                     reloaded = reloaded.convert(mode)
                 assert_image_equal(reloaded, im)
 
@@ -801,6 +801,16 @@ class TestFilePng:
         with Image.open("Tests/images/truncated_end_chunk.png") as im:
             assert_image_equal_tofile(im, "Tests/images/hopper.png")
 
+    def test_deprecation(self, tmp_path: Path) -> None:
+        test_file = tmp_path / "out.png"
+
+        im = hopper("I")
+        with pytest.warns(DeprecationWarning, match="Saving I mode images as PNG"):
+            im.save(test_file)
+
+        with Image.open(test_file) as reloaded:
+            assert_image_equal(im, reloaded.convert("I"))
+
 
 @pytest.mark.skipif(is_win32(), reason="Requires Unix or macOS")
 @skip_unless_feature("zlib")

Tests/test_file_ppm.py

@@ -288,14 +288,16 @@ def test_non_integer_token(tmp_path: Path) -> None:
             pass
 
 
-def test_header_token_too_long(tmp_path: Path) -> None:
+@pytest.mark.parametrize("data", (b"P3\x0cAAAAAAAAAA\xee", b"P6\n 01234567890"))
+def test_header_token_too_long(tmp_path: Path, data: bytes) -> None:
     path = tmp_path / "temp.ppm"
     with open(path, "wb") as f:
-        f.write(b"P6\n 01234567890")
+        f.write(data)
 
-    with pytest.raises(ValueError, match="Token too long in file header: 01234567890"):
+    with pytest.raises(ValueError) as e:
         with Image.open(path):
             pass
+    assert "Token too long in file header: " in repr(e)
 
 
 def test_truncated_file(tmp_path: Path) -> None:

Tests/test_file_qoi.py

@@ -1,10 +1,12 @@
 from __future__ import annotations
 
+from pathlib import Path
+
 import pytest
 
 from PIL import Image, QoiImagePlugin
 
-from .helper import assert_image_equal_tofile
+from .helper import assert_image_equal_tofile, hopper
 
 
 def test_sanity() -> None:
@@ -28,3 +30,28 @@ def test_invalid_file() -> None:
 
     with pytest.raises(SyntaxError):
         QoiImagePlugin.QoiImageFile(invalid_file)
+
+
+def test_op_index() -> None:
+    # QOI_OP_INDEX as the first chunk
+    with Image.open("Tests/images/op_index.qoi") as im:
+        assert im.getpixel((0, 0)) == (0, 0, 0, 0)
+
+
+def test_save(tmp_path: Path) -> None:
+    f = tmp_path / "temp.qoi"
+
+    im = hopper()
+    im.save(f, colorspace="sRGB")
+
+    assert_image_equal_tofile(im, f)
+
+    for path in ("Tests/images/default_font.png", "Tests/images/pil123rgba.png"):
+        with Image.open(path) as im:
+            im.save(f)
+
+            assert_image_equal_tofile(im, f)
+
+    im = hopper("P")
+    with pytest.raises(ValueError, match="Unsupported QOI image mode"):
+        im.save(f)

Tests/test_file_sgi.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+from io import BytesIO
 from pathlib import Path
 
 import pytest
@@ -71,6 +72,15 @@ def test_invalid_file() -> None:
         SgiImagePlugin.SgiImageFile(invalid_file)
 
 
+def test_unsupported_image_mode() -> None:
+    with open("Tests/images/hopper.rgb", "rb") as fp:
+        data = fp.read()
+    data = data[:3] + b"\x03" + data[4:]
+    with pytest.raises(ValueError, match="Unsupported SGI image mode"):
+        with Image.open(BytesIO(data)):
+            pass
+
+
 def roundtrip(img: Image.Image, tmp_path: Path) -> None:
     out = tmp_path / "temp.sgi"
     img.save(out, format="sgi")
@@ -109,3 +119,11 @@ def test_unsupported_mode(tmp_path: Path) -> None:
 
     with pytest.raises(ValueError):
         im.save(out, format="sgi")
+
+
+def test_unsupported_number_of_bytes_per_pixel(tmp_path: Path) -> None:
+    im = hopper()
+    out = tmp_path / "temp.sgi"
+
+    with pytest.raises(ValueError, match="Unsupported number of bytes per pixel"):
+        im.save(out, bpc=3)

Tests/test_file_tga.py

@@ -190,7 +190,9 @@ def test_save_id_section(tmp_path: Path) -> None:
 
     # Save with custom id section greater than 255 characters
     id_section = b"Test content" * 25
-    with pytest.warns(UserWarning):
+    with pytest.warns(
+        UserWarning, match="id_section has been trimmed to 255 characters"
+    ):
         im.save(out, id_section=id_section)
 
     with Image.open(out) as test_im:
@@ -220,12 +222,16 @@ def test_horizontal_orientations() -> None:
     with Image.open("Tests/images/rgb32rle_top_right.tga") as im:
         px = im.load()
         assert px is not None
-        assert px[90, 90][:3] == (0, 0, 0)
+        value = px[90, 90]
+        assert isinstance(value, tuple)
+        assert value[:3] == (0, 0, 0)
 
     with Image.open("Tests/images/rgb32rle_bottom_right.tga") as im:
         px = im.load()
         assert px is not None
-        assert px[90, 90][:3] == (0, 255, 0)
+        value = px[90, 90]
+        assert isinstance(value, tuple)
+        assert value[:3] == (0, 255, 0)
 
 
 def test_save_rle(tmp_path: Path) -> None:

Tests/test_file_tiff.py

@@ -14,6 +14,7 @@ from PIL import (
     ImageFile,
     JpegImagePlugin,
     TiffImagePlugin,
+    TiffTags,
     UnidentifiedImageError,
 )
 from PIL.TiffImagePlugin import RESOLUTION_UNIT, X_RESOLUTION, Y_RESOLUTION
@@ -26,6 +27,7 @@ from .helper import (
     hopper,
     is_pypy,
     is_win32,
+    timeout_unless_slower_valgrind,
 )
 
 ElementTree: ModuleType | None
@@ -47,25 +49,10 @@ class TestFileTiff:
         assert im.size == (128, 128)
         assert im.format == "TIFF"
 
-        hopper("1").save(filename)
+        for mode in ("1", "L", "P", "RGB", "I", "I;16", "I;16L"):
-        with Image.open(filename):
+            hopper(mode).save(filename)
-            pass
+            with Image.open(filename):
-
+                pass
-        hopper("L").save(filename)
-        with Image.open(filename):
-            pass
-
-        hopper("P").save(filename)
-        with Image.open(filename):
-            pass
-
-        hopper("RGB").save(filename)
-        with Image.open(filename):
-            pass
-
-        hopper("I").save(filename)
-        with Image.open(filename):
-            pass
 
     @pytest.mark.skipif(is_pypy(), reason="Requires CPython")
     def test_unclosed_file(self) -> None:
@@ -234,7 +221,7 @@ class TestFileTiff:
             assert isinstance(im, JpegImagePlugin.JpegImageFile)
 
             # Should not raise struct.error.
-            with pytest.warns(UserWarning):
+            with pytest.warns(UserWarning, match="Corrupt EXIF data"):
                 im._getexif()
 
     def test_save_rgba(self, tmp_path: Path) -> None:
@@ -946,6 +933,29 @@ class TestFileTiff:
                 assert description[0]["format"] == "image/tiff"
                 assert description[3]["BitsPerSample"]["Seq"]["li"] == ["8", "8", "8"]
 
+    def test_getxmp_undefined(self, tmp_path: Path) -> None:
+        tmpfile = tmp_path / "temp.tif"
+        im = Image.new("L", (1, 1))
+        ifd = TiffImagePlugin.ImageFileDirectory_v2()
+        ifd.tagtype[700] = TiffTags.UNDEFINED
+        with Image.open("Tests/images/lab.tif") as im_xmp:
+            ifd[700] = im_xmp.info["xmp"]
+        im.save(tmpfile, tiffinfo=ifd)
+
+        with Image.open(tmpfile) as im_reloaded:
+            if ElementTree is None:
+                with pytest.warns(
+                    UserWarning,
+                    match="XMP data cannot be read without defusedxml dependency",
+                ):
+                    assert im_reloaded.getxmp() == {}
+            else:
+                assert "xmp" in im_reloaded.info
+                xmp = im_reloaded.getxmp()
+
+                description = xmp["xmpmeta"]["RDF"]["Description"]
+                assert description[0]["format"] == "image/tiff"
+
     def test_get_photoshop_blocks(self) -> None:
         with Image.open("Tests/images/lab.tif") as im:
             assert isinstance(im, TiffImagePlugin.TiffImageFile)
@@ -1035,7 +1045,7 @@ class TestFileTiff:
             with pytest.raises(OSError):
                 im.load()
 
-    @pytest.mark.timeout(6)
+    @timeout_unless_slower_valgrind(6)
     @pytest.mark.filterwarnings("ignore:Truncated File Read")
     def test_timeout(self, monkeypatch: pytest.MonkeyPatch) -> None:
         with Image.open("Tests/images/timeout-6646305047838720") as im:
@@ -1048,10 +1058,10 @@ class TestFileTiff:
             "Tests/images/oom-225817ca0f8c663be7ab4b9e717b02c661e66834.tif",
         ],
     )
-    @pytest.mark.timeout(2)
+    @timeout_unless_slower_valgrind(2)
     def test_oom(self, test_file: str) -> None:
         with pytest.raises(UnidentifiedImageError):
-            with pytest.warns(UserWarning):
+            with pytest.warns(UserWarning, match="Corrupt EXIF data"):
                 with Image.open(test_file):
                     pass
 

Tests/test_file_tiff_metadata.py

@@ -300,7 +300,7 @@ def test_empty_metadata() -> None:
     head = f.read(8)
     info = TiffImagePlugin.ImageFileDirectory(head)
     # Should not raise struct.error.
-    with pytest.warns(UserWarning):
+    with pytest.warns(UserWarning, match="Corrupt EXIF data"):
         info.load(f)
 
 
@@ -481,7 +481,7 @@ def test_too_many_entries() -> None:
     ifd.tagtype[277] = TiffTags.SHORT
 
     # Should not raise ValueError.
-    with pytest.warns(UserWarning):
+    with pytest.warns(UserWarning, match="Metadata Warning"):
         assert ifd[277] == 4
 
 

Tests/test_file_webp.py

@@ -34,8 +34,8 @@ class TestUnsupportedWebp:
             monkeypatch.setattr(WebPImagePlugin, "SUPPORTED", False)
 
         file_path = "Tests/images/hopper.webp"
-        with pytest.warns(UserWarning):
+        with pytest.raises(OSError):
-            with pytest.raises(OSError):
+            with pytest.warns(UserWarning, match="WEBP support not installed"):
                 with Image.open(file_path):
                     pass
 
@@ -266,6 +266,7 @@ class TestFileWebp:
         # Save P mode GIF with background
         with Image.open("Tests/images/chi.gif") as im:
             original_value = im.convert("RGB").getpixel((1, 1))
+            assert isinstance(original_value, tuple)
 
             # Save as WEBP
             im.save(out_webp, save_all=True)
@@ -277,6 +278,7 @@ class TestFileWebp:
 
         with Image.open(out_gif) as reread:
             reread_value = reread.convert("RGB").getpixel((1, 1))
+        assert isinstance(reread_value, tuple)
         difference = sum(abs(original_value[i] - reread_value[i]) for i in range(3))
         assert difference < 5
 

Tests/test_file_xpm.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+from io import BytesIO
+
 import pytest
 
 from PIL import Image, XpmImagePlugin
@@ -17,7 +19,45 @@ def test_sanity() -> None:
         assert im.format == "XPM"
 
         # large error due to quantization->44 colors.
-        assert_image_similar(im.convert("RGB"), hopper("RGB"), 60)
+        assert_image_similar(im.convert("RGB"), hopper(), 23)
+
+
+def test_bpp2() -> None:
+    with Image.open("Tests/images/hopper_bpp2.xpm") as im:
+        assert_image_similar(im.convert("RGB"), hopper(), 11)
+
+
+def test_rgb() -> None:
+    with Image.open("Tests/images/hopper_rgb.xpm") as im:
+        assert im.mode == "RGB"
+        assert_image_similar(im, hopper(), 16)
+
+
+def test_truncated_header() -> None:
+    data = b"/* XPM */"
+    with pytest.raises(SyntaxError, match="broken XPM file"):
+        with XpmImagePlugin.XpmImageFile(BytesIO(data)):
+            pass
+
+
+def test_cannot_read_color() -> None:
+    with open(TEST_FILE, "rb") as fp:
+        data = fp.read().split(b"#")[0]
+    with pytest.raises(ValueError, match="cannot read this XPM file"):
+        with Image.open(BytesIO(data)):
+            pass
+
+    with pytest.raises(ValueError, match="cannot read this XPM file"):
+        with Image.open(BytesIO(data + b"invalid")):
+            pass
+
+
+def test_not_enough_image_data() -> None:
+    with open(TEST_FILE, "rb") as fp:
+        data = fp.read().split(b"/* pixels */")[0]
+    with Image.open(BytesIO(data)) as im:
+        with pytest.raises(ValueError, match="not enough image data"):
+            im.load()
 
 
 def test_invalid_file() -> None:

Tests/test_image.py

@@ -34,6 +34,7 @@ from .helper import (
     is_win32,
     mark_if_feature_version,
     skip_unless_feature,
+    timeout_unless_slower_valgrind,
 )
 
 ElementTree: ModuleType | None
@@ -52,7 +53,7 @@ except ImportError:
 # Deprecation helper
 def helper_image_new(mode: str, size: tuple[int, int]) -> Image.Image:
     if mode.startswith("BGR;"):
-        with pytest.warns(DeprecationWarning):
+        with pytest.warns(DeprecationWarning, match="BGR;"):
             return Image.new(mode, size)
     else:
         return Image.new(mode, size)
@@ -140,8 +141,8 @@ class TestImage:
         monkeypatch.setattr(Image, "WARN_POSSIBLE_FORMATS", True)
 
         im = io.BytesIO(b"")
-        with pytest.warns(UserWarning):
+        with pytest.raises(UnidentifiedImageError):
-            with pytest.raises(UnidentifiedImageError):
+            with pytest.warns(UserWarning, match="opening failed"):
                 with Image.open(im):
                     pass
 
@@ -572,10 +573,7 @@ class TestImage:
         i = Image.new("RGB", [1, 1])
         assert isinstance(i.size, tuple)
 
-    @pytest.mark.timeout(0.75)
+    @timeout_unless_slower_valgrind(0.75)
-    @pytest.mark.skipif(
-        "PILLOW_VALGRIND_TEST" in os.environ, reason="Valgrind is slower"
-    )
     @pytest.mark.parametrize("size", ((0, 100000000), (100000000, 0)))
     def test_empty_image(self, size: tuple[int, int]) -> None:
         Image.new("RGB", size)
@@ -673,6 +671,7 @@ class TestImage:
         im_remapped = im.remap_palette(list(range(256)))
         assert_image_equal(im, im_remapped)
         assert im.palette is not None
+        assert im_remapped.palette is not None
         assert im.palette.palette == im_remapped.palette.palette
 
         # Test illegal image mode
@@ -975,6 +974,11 @@ class TestImage:
                     assert tag not in exif.get_ifd(0x8769)
                 assert exif.get_ifd(0xA005)
 
+    def test_exif_from_xmp_bytes(self) -> None:
+        im = Image.new("RGB", (1, 1))
+        im.info["xmp"] = b'\xff tiff:Orientation="2"'
+        assert im.getexif()[274] == 2
+
     def test_empty_xmp(self) -> None:
         with Image.open("Tests/images/hopper.gif") as im:
             if ElementTree is None:
@@ -991,7 +995,7 @@ class TestImage:
         im = Image.new("RGB", (1, 1))
         im.info["xmp"] = (
             b'<?xpacket begin="\xef\xbb\xbf" id="W5M0MpCehiHzreSzNTczkc9d"?>\n'
-            b'<x:xmpmeta xmlns:x="adobe:ns:meta/" />\n<?xpacket end="w"?>\x00\x00'
+            b'<x:xmpmeta xmlns:x="adobe:ns:meta/" />\n<?xpacket end="w"?>\x00\x00 '
         )
         if ElementTree is None:
             with pytest.warns(
@@ -1004,7 +1008,7 @@ class TestImage:
 
     def test_get_child_images(self) -> None:
         im = Image.new("RGB", (1, 1))
-        with pytest.warns(DeprecationWarning):
+        with pytest.warns(DeprecationWarning, match="Image.Image.get_child_images"):
             assert im.get_child_images() == []
 
     @pytest.mark.parametrize("size", ((1, 0), (0, 1), (0, 0)))
@@ -1135,7 +1139,7 @@ class TestImage:
             assert im.fp is None
 
     def test_deprecation(self) -> None:
-        with pytest.warns(DeprecationWarning):
+        with pytest.warns(DeprecationWarning, match="Image.isImageType"):
             assert not Image.isImageType(None)
 
 
@@ -1146,7 +1150,7 @@ class TestImageBytes:
         source_bytes = im.tobytes()
 
         if mode.startswith("BGR;"):
-            with pytest.warns(DeprecationWarning):
+            with pytest.warns(DeprecationWarning, match=mode):
                 reloaded = Image.frombytes(mode, im.size, source_bytes)
         else:
             reloaded = Image.frombytes(mode, im.size, source_bytes)

Tests/test_image_access.py

@@ -193,7 +193,7 @@ class TestImageGetPixel:
 
     @pytest.mark.parametrize("mode", ("BGR;15", "BGR;16", "BGR;24"))
     def test_deprecated(self, mode: str) -> None:
-        with pytest.warns(DeprecationWarning):
+        with pytest.warns(DeprecationWarning, match="BGR;"):
             self.check(mode)
 
     def test_list(self) -> None:

Tests/test_image_array.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, Any
+from typing import Any
 
 import pytest
 from packaging.version import parse as parse_version
@@ -13,6 +13,7 @@ numpy = pytest.importorskip("numpy", reason="NumPy not installed")
 
 im = hopper().resize((128, 100))
 
+TYPE_CHECKING = False
 if TYPE_CHECKING:
     import numpy.typing as npt
 
@@ -47,7 +48,7 @@ def test_toarray() -> None:
             with pytest.raises(OSError):
                 numpy.array(im_truncated)
         else:
-            with pytest.warns(DeprecationWarning):
+            with pytest.warns(DeprecationWarning, match="__array_interface__"):
                 numpy.array(im_truncated)
 
 
@@ -101,7 +102,8 @@ def test_fromarray_strides_without_tobytes() -> None:
 
     with pytest.raises(ValueError):
         wrapped = Wrapper({"shape": (1, 1), "strides": (1, 1)})
-        Image.fromarray(wrapped, "L")
+        with pytest.warns(DeprecationWarning, match="'mode' parameter"):
+            Image.fromarray(wrapped, "L")
 
 
 def test_fromarray_palette() -> None:
@@ -110,7 +112,8 @@ def test_fromarray_palette() -> None:
     a = numpy.array(i)
 
     # Act
-    out = Image.fromarray(a, "P")
+    with pytest.warns(DeprecationWarning, match="'mode' parameter"):
+        out = Image.fromarray(a, "P")
 
     # Assert that the Python and C palettes match
     assert out.palette is not None

Tests/test_image_convert.py

@@ -203,7 +203,10 @@ def test_trns_RGB(tmp_path: Path) -> None:
     assert "transparency" not in im_rgba.info
     assert im_rgba.getpixel((0, 0)) == (0, 0, 0, 0)
 
-    im_p = pytest.warns(UserWarning, im.convert, "P", palette=Image.Palette.ADAPTIVE)
+    with pytest.warns(
+        UserWarning, match="Couldn't allocate palette entry for transparency"
+    ):
+        im_p = im.convert("P", palette=Image.Palette.ADAPTIVE)
     assert "transparency" not in im_p.info
     im_p.save(f)
 

Tests/test_image_getim.py

@@ -11,9 +11,9 @@ def test_sanity() -> None:
     type_repr = repr(type(im.getim()))
     assert "PyCapsule" in type_repr
 
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="id property"):
         assert isinstance(im.im.id, int)
 
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="unsafe_ptrs property"):
         ptrs = dict(im.im.unsafe_ptrs)
     assert ptrs.keys() == {"image8", "image32", "image"}

Tests/test_image_putdata.py

@@ -81,7 +81,7 @@ def test_mode_F() -> None:
 @pytest.mark.parametrize("mode", ("BGR;15", "BGR;16", "BGR;24"))
 def test_mode_BGR(mode: str) -> None:
     data = [(16, 32, 49), (32, 32, 98)]
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match=mode):
         im = Image.new(mode, (1, 2))
     im.putdata(data)
 

Tests/test_image_quantize.py

@@ -70,6 +70,7 @@ def test_quantize_no_dither() -> None:
     converted = image.quantize(dither=Image.Dither.NONE, palette=palette)
     assert converted.mode == "P"
     assert converted.palette is not None
+    assert palette.palette is not None
     assert converted.palette.palette == palette.palette.palette
 
 

Tests/test_image_resample.py

@@ -462,7 +462,7 @@ class TestCoreResampleBox:
         im.resize((32, 32), resample, (20, 20, 20, 100))
         im.resize((32, 32), resample, (20, 20, 100, 20))
 
-        with pytest.raises(TypeError, match="must be sequence of length 4"):
+        with pytest.raises(TypeError, match="must be (sequence|tuple) of length 4"):
             im.resize((32, 32), resample, (im.width, im.height))  # type: ignore[arg-type]
 
         with pytest.raises(ValueError, match="can't be negative"):

Tests/test_image_transform.py

@@ -48,6 +48,7 @@ class TestImageTransform:
                 im.size, Image.Transform.AFFINE, [1, 0, 0, 0, 1, 0]
             )
             assert im.palette is not None
+            assert transformed.palette is not None
             assert im.palette.palette == transformed.palette.palette
 
     def test_extent(self) -> None:

Tests/test_imagecms.py

@@ -54,7 +54,7 @@ def skip_missing() -> None:
 def test_sanity() -> None:
     # basic smoke test.
     # this mostly follows the cms_test outline.
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="PIL.ImageCms.versions"):
         v = ImageCms.versions()  # should return four strings
     assert v[0] == "1.0.0 pil"
     assert list(map(type, v)) == [str, str, str, str]
@@ -679,7 +679,7 @@ def test_auxiliary_channels_isolated() -> None:
 
 def test_long_modes() -> None:
     p = ImageCms.getOpenProfile("Tests/icc/sGrey-v2-nano.icc")
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="ABCDEFGHI"):
         ImageCms.buildTransform(p, p, "ABCDEFGHI", "ABCDEFGHI")
 
 
@@ -703,15 +703,15 @@ def test_cmyk_lab() -> None:
 
 
 def test_deprecation() -> None:
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="ImageCms.DESCRIPTION"):
         assert ImageCms.DESCRIPTION.strip().startswith("pyCMS")
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="ImageCms.VERSION"):
         assert ImageCms.VERSION == "1.0.0 pil"
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="ImageCms.FLAGS"):
         assert isinstance(ImageCms.FLAGS, dict)
 
     profile = ImageCmsProfile(ImageCms.createProfile("sRGB"))
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="RGBA;16B"):
         ImageCms.ImageCmsTransform(profile, profile, "RGBA;16B", "RGB")
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="RGBA;16B"):
         ImageCms.ImageCmsTransform(profile, profile, "RGB", "RGBA;16B")

Tests/test_imagedraw.py

@@ -783,9 +783,10 @@ def test_rectangle_I16(bbox: Coords) -> None:
     draw = ImageDraw.Draw(im)
 
     # Act
-    draw.rectangle(bbox, outline=0xFFFF)
+    draw.rectangle(bbox, outline=0xCDEF)
 
     # Assert
+    assert im.getpixel((X0, Y0)) == 0xCDEF
     assert_image_equal_tofile(im, "Tests/images/imagedraw_rectangle_I.tiff")
 
 
@@ -1734,5 +1735,5 @@ def test_incorrectly_ordered_coordinates(xy: tuple[int, int, int, int]) -> None:
 
 
 def test_getdraw() -> None:
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="'hints' parameter"):
         ImageDraw.getdraw(None, [])

Tests/test_imagefile.py

@@ -152,7 +152,7 @@ class TestImageFile:
         assert reads.count(im.decodermaxblock) == 1
 
     def test_raise_oserror(self) -> None:
-        with pytest.warns(DeprecationWarning):
+        with pytest.warns(DeprecationWarning, match="raise_oserror"):
             with pytest.raises(OSError):
                 ImageFile.raise_oserror(1)
 

Tests/test_imagefont.py

@@ -267,6 +267,23 @@ def test_render_multiline_text_align(
     assert_image_similar_tofile(im, f"Tests/images/multiline_text{ext}.png", 0.01)
 
 
+def test_render_multiline_text_justify_anchor(
+    font: ImageFont.FreeTypeFont,
+) -> None:
+    im = Image.new("RGB", (280, 240))
+    draw = ImageDraw.Draw(im)
+    for xy, anchor in (((0, 0), "la"), ((140, 80), "ma"), ((280, 160), "ra")):
+        draw.multiline_text(
+            xy,
+            "hey you you are awesome\nthis looks awkward\nthis\nlooks awkward",
+            font=font,
+            anchor=anchor,
+            align="justify",
+        )
+
+    assert_image_equal_tofile(im, "Tests/images/multiline_text_justify_anchor.png")
+
+
 def test_unknown_align(font: ImageFont.FreeTypeFont) -> None:
     im = Image.new(mode="RGB", size=(300, 100))
     draw = ImageDraw.Draw(im)
@@ -1175,15 +1192,15 @@ def test_oom(test_file: str) -> None:
 
 def test_raqm_missing_warning(monkeypatch: pytest.MonkeyPatch) -> None:
     monkeypatch.setattr(ImageFont.core, "HAVE_RAQM", False)
-    with pytest.warns(UserWarning) as record:
+    with pytest.warns(
+        UserWarning,
+        match="Raqm layout was requested, but Raqm is not available. "
+        "Falling back to basic layout.",
+    ):
         font = ImageFont.truetype(
             FONT_PATH, FONT_SIZE, layout_engine=ImageFont.Layout.RAQM
         )
     assert font.layout_engine == ImageFont.Layout.BASIC
-    assert str(record[-1].message) == (
-        "Raqm layout was requested, but Raqm is not available. "
-        "Falling back to basic layout."
-    )
 
 
 @pytest.mark.parametrize("size", [-1, 0])
@@ -1202,5 +1219,5 @@ def test_freetype_deprecation(monkeypatch: pytest.MonkeyPatch) -> None:
     monkeypatch.setattr(features, "version_module", fake_version_module)
 
     # Act / Assert
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="FreeType 2.9.0"):
         ImageFont.truetype(FONT_PATH, FONT_SIZE)

Tests/test_imagefontctl.py

@@ -4,7 +4,11 @@ import pytest
 
 from PIL import Image, ImageDraw, ImageFont
 
-from .helper import assert_image_similar_tofile, skip_unless_feature
+from .helper import (
+    assert_image_equal_tofile,
+    assert_image_similar_tofile,
+    skip_unless_feature,
+)
 
 FONT_SIZE = 20
 FONT_PATH = "Tests/fonts/DejaVuSans/DejaVuSans.ttf"
@@ -354,11 +358,27 @@ def test_combine_multiline(anchor: str, align: str) -> None:
     d.line(((200, 0), (200, 400)), "gray")
     bbox = d.multiline_textbbox((200, 200), text, anchor=anchor, font=f, align=align)
     d.rectangle(bbox, outline="red")
-    d.multiline_text((200, 200), text, fill="black", anchor=anchor, font=f, align=align)
+    d.multiline_text((200, 200), text, "black", anchor=anchor, font=f, align=align)
 
     assert_image_similar_tofile(im, path, 0.015)
 
 
+def test_combine_multiline_ttb() -> None:
+    path = "Tests/images/test_combine_multiline_ttb.png"
+    f = ImageFont.truetype("Tests/fonts/NotoSans-Regular.ttf", 48)
+    text = "te\nxt"
+
+    im = Image.new("RGB", (400, 400), "white")
+    d = ImageDraw.Draw(im)
+    d.line(((0, 200), (400, 200)), "gray")
+    d.line(((200, 0), (200, 400)), "gray")
+    bbox = d.multiline_textbbox((200, 200), text, f, direction="ttb")
+    d.rectangle(bbox, outline="red")
+    d.multiline_text((200, 200), text, "black", f, direction="ttb")
+
+    assert_image_equal_tofile(im, path)
+
+
 def test_anchor_invalid_ttb() -> None:
     font = ImageFont.truetype(FONT_PATH, FONT_SIZE)
     im = Image.new("RGB", (100, 100), "white")
@@ -378,8 +398,3 @@ def test_anchor_invalid_ttb() -> None:
             d.multiline_text((0, 0), "foo\nbar", anchor=anchor, direction="ttb")
         with pytest.raises(ValueError):
             d.multiline_textbbox((0, 0), "foo\nbar", anchor=anchor, direction="ttb")
-    # ttb multiline text does not support anchors at all
-    with pytest.raises(ValueError):
-        d.multiline_text((0, 0), "foo\nbar", anchor="mm", direction="ttb")
-    with pytest.raises(ValueError):
-        d.multiline_textbbox((0, 0), "foo\nbar", anchor="mm", direction="ttb")

Tests/test_imagefontpil.py

@@ -7,7 +7,7 @@ import pytest
 
 from PIL import Image, ImageDraw, ImageFont, _util, features
 
-from .helper import assert_image_equal_tofile
+from .helper import assert_image_equal_tofile, timeout_unless_slower_valgrind
 
 fonts = [ImageFont.load_default_imagefont()]
 if not features.check_module("freetype2"):
@@ -72,7 +72,7 @@ def test_decompression_bomb() -> None:
         font.getmask("A" * 1_000_000)
 
 
-@pytest.mark.timeout(4)
+@timeout_unless_slower_valgrind(4)
 def test_oom() -> None:
     glyph = struct.pack(
         ">hhhhhhhhhh", 1, 0, -32767, -32767, 32767, 32767, -32767, -32767, 32767, 32767

Tests/test_imagemath_lambda_eval.py

@@ -56,7 +56,7 @@ def test_sanity() -> None:
 
 
 def test_options_deprecated() -> None:
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="ImageMath.lambda_eval options"):
         assert ImageMath.lambda_eval(lambda args: 1, images) == 1
 
 

Tests/test_imagemath_unsafe_eval.py

@@ -36,12 +36,12 @@ def test_sanity() -> None:
 
 
 def test_eval_deprecated() -> None:
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="ImageMath.eval"):
         assert ImageMath.eval("1") == 1
 
 
 def test_options_deprecated() -> None:
-    with pytest.warns(DeprecationWarning):
+    with pytest.warns(DeprecationWarning, match="ImageMath.unsafe_eval options"):
         assert ImageMath.unsafe_eval("1", images) == 1
 
 

Tests/test_lib_pack.py

@@ -362,13 +362,15 @@ class TestLibUnpack:
         )
 
     def test_BGR(self) -> None:
-        with pytest.warns(DeprecationWarning):
+        with pytest.warns(DeprecationWarning, match="BGR;15"):
             self.assert_unpack(
                 "BGR;15", "BGR;15", 3, (8, 131, 0), (24, 0, 8), (41, 131, 8)
             )
+        with pytest.warns(DeprecationWarning, match="BGR;16"):
             self.assert_unpack(
                 "BGR;16", "BGR;16", 3, (8, 64, 0), (24, 129, 0), (41, 194, 0)
             )
+        with pytest.warns(DeprecationWarning, match="BGR;24"):
             self.assert_unpack("BGR;24", "BGR;24", 3, (1, 2, 3), (4, 5, 6), (7, 8, 9))
 
     def test_RGBA(self) -> None:

Tests/test_numpy.py

@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import warnings
-from typing import TYPE_CHECKING
 
 import pytest
 
@@ -9,6 +8,7 @@ from PIL import Image, _typing
 
 from .helper import assert_deep_equal, assert_image, hopper, skip_unless_feature
 
+TYPE_CHECKING = False
 if TYPE_CHECKING:
     import numpy
     import numpy.typing as npt

Tests/test_pickle.py

@@ -162,3 +162,13 @@ def test_pickle_font_file(tmp_path: Path, protocol: int) -> None:
 
     # Assert
     helper_assert_pickled_font_images(font, unpickled_font)
+
+
+def test_load_earlier_data() -> None:
+    im = pickle.loads(
+        b"\x80\x04\x95@\x00\x00\x00\x00\x00\x00\x00\x8c\x12PIL.PngImagePlugin"
+        b"\x94\x8c\x0cPngImageFile\x94\x93\x94)\x81\x94]\x94(}\x94\x8c\x01L\x94K\x01"
+        b"K\x01\x86\x94NC\x01\x00\x94eb."
+    )
+    assert im.mode == "L"
+    assert im.size == (1, 1)

Tests/test_pyarrow.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import Any  # undone
+from typing import Any, NamedTuple
 
 import pytest
 
@@ -10,30 +10,73 @@ from .helper import (
     assert_deep_equal,
     assert_image_equal,
     hopper,
+    is_big_endian,
 )
 
-pyarrow = pytest.importorskip("pyarrow", reason="PyArrow not installed")
+TYPE_CHECKING = False
+if TYPE_CHECKING:
+    import pyarrow
+else:
+    pyarrow = pytest.importorskip("pyarrow", reason="PyArrow not installed")
 
 TEST_IMAGE_SIZE = (10, 10)
 
 
 def _test_img_equals_pyarray(
-    img: Image.Image, arr: Any, mask: list[int] | None
+    img: Image.Image, arr: Any, mask: list[int] | None, elts_per_pixel: int = 1
 ) -> None:
-    assert img.height * img.width == len(arr)
+    assert img.height * img.width * elts_per_pixel == len(arr)
     px = img.load()
     assert px is not None
+    if elts_per_pixel > 1 and mask is None:
+        # have to do element-wise comparison when we're comparing
+        # flattened r,g,b,a to a pixel.
+        mask = list(range(elts_per_pixel))
     for x in range(0, img.size[0], int(img.size[0] / 10)):
         for y in range(0, img.size[1], int(img.size[1] / 10)):
             if mask:
+                pixel = px[x, y]
+                assert isinstance(pixel, tuple)
                 for ix, elt in enumerate(mask):
-                    pixel = px[x, y]
+                    if elts_per_pixel == 1:
-                    assert isinstance(pixel, tuple)
+                        assert pixel[ix] == arr[y * img.width + x].as_py()[elt]
-                    assert pixel[ix] == arr[y * img.width + x].as_py()[elt]
+                    else:
+                        assert (
+                            pixel[ix]
+                            == arr[(y * img.width + x) * elts_per_pixel + elt].as_py()
+                        )
             else:
                 assert_deep_equal(px[x, y], arr[y * img.width + x].as_py())
 
 
+def _test_img_equals_int32_pyarray(
+    img: Image.Image, arr: Any, mask: list[int] | None, elts_per_pixel: int = 1
+) -> None:
+    assert img.height * img.width * elts_per_pixel == len(arr)
+    px = img.load()
+    assert px is not None
+    if mask is None:
+        # have to do element-wise comparison when we're comparing
+        # flattened rgba in an uint32 to a pixel.
+        mask = list(range(elts_per_pixel))
+    for x in range(0, img.size[0], int(img.size[0] / 10)):
+        for y in range(0, img.size[1], int(img.size[1] / 10)):
+            pixel = px[x, y]
+            assert isinstance(pixel, tuple)
+            arr_pixel_int = arr[y * img.width + x].as_py()
+            arr_pixel_tuple = (
+                arr_pixel_int % 256,
+                (arr_pixel_int // 256) % 256,
+                (arr_pixel_int // 256**2) % 256,
+                (arr_pixel_int // 256**3),
+            )
+            if is_big_endian():
+                arr_pixel_tuple = arr_pixel_tuple[::-1]
+
+            for ix, elt in enumerate(mask):
+                assert pixel[ix] == arr_pixel_tuple[elt]
+
+
 # really hard to get a non-nullable list type
 fl_uint8_4_type = pyarrow.field(
     "_", pyarrow.list_(pyarrow.field("_", pyarrow.uint8()).with_nullable(False), 4)
@@ -55,14 +98,14 @@ fl_uint8_4_type = pyarrow.field(
         ("HSV", fl_uint8_4_type, [0, 1, 2]),
     ),
 )
-def test_to_array(mode: str, dtype: Any, mask: list[int] | None) -> None:
+def test_to_array(mode: str, dtype: pyarrow.DataType, mask: list[int] | None) -> None:
     img = hopper(mode)
 
     # Resize to non-square
     img = img.crop((3, 0, 124, 127))
     assert img.size == (121, 127)
 
-    arr = pyarrow.array(img)
+    arr = pyarrow.array(img)  # type: ignore[call-overload]
     _test_img_equals_pyarray(img, arr, mask)
     assert arr.type == dtype
 
@@ -79,8 +122,8 @@ def test_lifetime() -> None:
 
     img = hopper("L")
 
-    arr_1 = pyarrow.array(img)
+    arr_1 = pyarrow.array(img)  # type: ignore[call-overload]
-    arr_2 = pyarrow.array(img)
+    arr_2 = pyarrow.array(img)  # type: ignore[call-overload]
 
     del img
 
@@ -97,8 +140,8 @@ def test_lifetime2() -> None:
 
     img = hopper("L")
 
-    arr_1 = pyarrow.array(img)
+    arr_1 = pyarrow.array(img)  # type: ignore[call-overload]
-    arr_2 = pyarrow.array(img)
+    arr_2 = pyarrow.array(img)  # type: ignore[call-overload]
 
     assert arr_1.sum().as_py() > 0
     del arr_1
@@ -110,3 +153,94 @@ def test_lifetime2() -> None:
     px = img2.load()
     assert px  # make mypy happy
     assert isinstance(px[0, 0], int)
+
+
+class DataShape(NamedTuple):
+    dtype: pyarrow.DataType
+    # Strictly speaking, elt should be a pixel or pixel component, so
+    # list[uint8][4], float, int, uint32, uint8, etc.  But more
+    # correctly, it should be exactly the dtype from the line above.
+    elt: Any
+    elts_per_pixel: int
+
+
+UINT_ARR = DataShape(
+    dtype=fl_uint8_4_type,
+    elt=[1, 2, 3, 4],  # array of 4 uint8 per pixel
+    elts_per_pixel=1,  # only one array per pixel
+)
+
+UINT = DataShape(
+    dtype=pyarrow.uint8(),
+    elt=3,  # one uint8,
+    elts_per_pixel=4,  # but repeated 4x per pixel
+)
+
+UINT32 = DataShape(
+    dtype=pyarrow.uint32(),
+    elt=0xABCDEF45,  # one packed int, doesn't fit in a int32 > 0x80000000
+    elts_per_pixel=1,  # one per pixel
+)
+
+INT32 = DataShape(
+    dtype=pyarrow.uint32(),
+    elt=0x12CDEF45,  # one packed int
+    elts_per_pixel=1,  # one per pixel
+)
+
+
+@pytest.mark.parametrize(
+    "mode, data_tp, mask",
+    (
+        ("L", DataShape(pyarrow.uint8(), 3, 1), None),
+        ("I", DataShape(pyarrow.int32(), 1 << 24, 1), None),
+        ("F", DataShape(pyarrow.float32(), 3.14159, 1), None),
+        ("LA", UINT_ARR, [0, 3]),
+        ("LA", UINT, [0, 3]),
+        ("RGB", UINT_ARR, [0, 1, 2]),
+        ("RGBA", UINT_ARR, None),
+        ("CMYK", UINT_ARR, None),
+        ("YCbCr", UINT_ARR, [0, 1, 2]),
+        ("HSV", UINT_ARR, [0, 1, 2]),
+        ("RGB", UINT, [0, 1, 2]),
+        ("RGBA", UINT, None),
+        ("CMYK", UINT, None),
+        ("YCbCr", UINT, [0, 1, 2]),
+        ("HSV", UINT, [0, 1, 2]),
+    ),
+)
+def test_fromarray(mode: str, data_tp: DataShape, mask: list[int] | None) -> None:
+    (dtype, elt, elts_per_pixel) = data_tp
+
+    ct_pixels = TEST_IMAGE_SIZE[0] * TEST_IMAGE_SIZE[1]
+    arr = pyarrow.array([elt] * (ct_pixels * elts_per_pixel), type=dtype)
+    img = Image.fromarrow(arr, mode, TEST_IMAGE_SIZE)
+
+    _test_img_equals_pyarray(img, arr, mask, elts_per_pixel)
+
+
+@pytest.mark.parametrize(
+    "mode, data_tp, mask",
+    (
+        ("LA", UINT32, [0, 3]),
+        ("RGB", UINT32, [0, 1, 2]),
+        ("RGBA", UINT32, None),
+        ("CMYK", UINT32, None),
+        ("YCbCr", UINT32, [0, 1, 2]),
+        ("HSV", UINT32, [0, 1, 2]),
+        ("LA", INT32, [0, 3]),
+        ("RGB", INT32, [0, 1, 2]),
+        ("RGBA", INT32, None),
+        ("CMYK", INT32, None),
+        ("YCbCr", INT32, [0, 1, 2]),
+        ("HSV", INT32, [0, 1, 2]),
+    ),
+)
+def test_from_int32array(mode: str, data_tp: DataShape, mask: list[int] | None) -> None:
+    (dtype, elt, elts_per_pixel) = data_tp
+
+    ct_pixels = TEST_IMAGE_SIZE[0] * TEST_IMAGE_SIZE[1]
+    arr = pyarrow.array([elt] * (ct_pixels * elts_per_pixel), type=dtype)
+    img = Image.fromarrow(arr, mode, TEST_IMAGE_SIZE)
+
+    _test_img_equals_int32_pyarray(img, arr, mask, elts_per_pixel)

Tests/test_qt_image_qapplication.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from pathlib import Path
-from typing import TYPE_CHECKING, Union
+from typing import Union
 
 import pytest
 
@@ -9,6 +9,7 @@ from PIL import Image, ImageQt
 
 from .helper import assert_image_equal_tofile, assert_image_similar, hopper
 
+TYPE_CHECKING = False
 if TYPE_CHECKING:
     import PyQt6
     import PySide6

Tests/test_tiff_crashes.py

@@ -52,3 +52,17 @@ def test_tiff_crashes(test_file: str) -> None:
         pytest.skip("test image not found")
     except OSError:
         pass
+
+
+def test_tiff_mmap() -> None:
+    try:
+        with Image.open("Tests/images/crash_mmap.tif") as im:
+            im.seek(1)
+            im.load()
+
+            im.seek(0)
+            im.load()
+    except FileNotFoundError:
+        if on_ci():
+            raise
+        pytest.skip("test image not found")

depends/docker-test-valgrind-memory.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+## Run this as the test script in the Docker valgrind image.
+## Note -- can be included directly into the Docker image,
+## but requires the current python.supp.
+
+source /vpy3/bin/activate
+cd /Pillow
+make clean
+make install
+make valgrind-leak

depends/install_libavif.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -eo pipefail
 
-version=1.2.1
+version=1.3.0
 
 ./download-and-extract.sh libavif-$version https://github.com/AOMediaCodec/libavif/archive/refs/tags/v$version.tar.gz
 

docs/Makefile

@@ -3,17 +3,23 @@
 
 # You can set these variables from the command line.
 PYTHON        = python3
-SPHINXOPTS    =
 SPHINXBUILD   = $(PYTHON) -m sphinx.cmd.build
-PAPER         =
+SPHINXOPTS    = --fail-on-warning
 BUILDDIR      = _build
+BUILDER       = html
+JOBS          = auto
+PAPER         =
 
 # Internal variables.
 PAPEROPT_a4     = --define latex_paper_size=a4
 PAPEROPT_letter = --define latex_paper_size=letter
-ALLSPHINXOPTS   = --doctree-dir $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
+
-# the i18n builder cannot share the environment and doctrees with the others
+ALLSPHINXOPTS   = --builder $(BUILDER) \
-I18NSPHINXOPTS  = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
+                  --doctree-dir $(BUILDDIR)/doctrees \
+                  --jobs $(JOBS) \
+                  $(PAPEROPT_$(PAPER)) \
+                  $(SPHINXOPTS) \
+                  . $(BUILDDIR)/$(BUILDER)
 
 .PHONY: help
 help:
@@ -24,22 +30,7 @@ help:
 	@echo "  serve      to start a local server for viewing docs"
 	@echo "  dirhtml    to make HTML files named index.html in directories"
 	@echo "  singlehtml to make a single large HTML file"
-	@echo "  pickle     to make pickle files"
-	@echo "  json       to make JSON files"
-	@echo "  htmlhelp   to make HTML files and a HTML help project"
-	@echo "  qthelp     to make HTML files and a qthelp project"
-	@echo "  devhelp    to make HTML files and a Devhelp project"
-	@echo "  epub       to make an epub"
-	@echo "  latex      to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
-	@echo "  latexpdf   to make LaTeX files and run them through pdflatex"
-	@echo "  text       to make text files"
-	@echo "  man        to make manual pages"
-	@echo "  texinfo    to make Texinfo files"
-	@echo "  info       to make Texinfo files and run them through makeinfo"
-	@echo "  gettext    to make PO message catalogs"
-	@echo "  changes    to make an overview of all changed/added/deprecated items"
 	@echo "  linkcheck  to check all external links for integrity"
-	@echo "  doctest    to run all doctests embedded in the documentation (if enabled)"
 
 .PHONY: clean
 clean:
@@ -51,151 +42,19 @@ install-sphinx:
 .PHONY: html
 html:
 	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder html --fail-on-warning --keep-going $(ALLSPHINXOPTS) $(BUILDDIR)/html
+	$(SPHINXBUILD) $(ALLSPHINXOPTS)
-	@echo
-	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
 
 .PHONY: dirhtml
-dirhtml:
+dirhtml: BUILDER = dirhtml
-	$(MAKE) install-sphinx
+dirhtml: html
-	$(SPHINXBUILD) --builder dirhtml $(ALLSPHINXOPTS) $(BUILDDIR)/dirhtml
-	@echo
-	@echo "Build finished. The HTML pages are in $(BUILDDIR)/dirhtml."
 
 .PHONY: singlehtml
-singlehtml:
+singlehtml: BUILDER = singlehtml
-	$(MAKE) install-sphinx
+singlehtml: html
-	$(SPHINXBUILD) --builder singlehtml $(ALLSPHINXOPTS) $(BUILDDIR)/singlehtml
-	@echo
-	@echo "Build finished. The HTML page is in $(BUILDDIR)/singlehtml."
-
-.PHONY: pickle
-pickle:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder pickle $(ALLSPHINXOPTS) $(BUILDDIR)/pickle
-	@echo
-	@echo "Build finished; now you can process the pickle files."
-
-.PHONY: json
-json:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder json $(ALLSPHINXOPTS) $(BUILDDIR)/json
-	@echo
-	@echo "Build finished; now you can process the JSON files."
-
-.PHONY: htmlhelp
-htmlhelp:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder htmlhelp $(ALLSPHINXOPTS) $(BUILDDIR)/htmlhelp
-	@echo
-	@echo "Build finished; now you can run HTML Help Workshop with the" \
-	      ".hhp project file in $(BUILDDIR)/htmlhelp."
-
-.PHONY: qthelp
-qthelp:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder qthelp $(ALLSPHINXOPTS) $(BUILDDIR)/qthelp
-	@echo
-	@echo "Build finished; now you can run "qcollectiongenerator" with the" \
-	      ".qhcp project file in $(BUILDDIR)/qthelp, like this:"
-	@echo "# qcollectiongenerator $(BUILDDIR)/qthelp/PillowPILfork.qhcp"
-	@echo "To view the help file:"
-	@echo "# assistant -collectionFile $(BUILDDIR)/qthelp/PillowPILfork.qhc"
-
-.PHONY: devhelp
-devhelp:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder devhelp $(ALLSPHINXOPTS) $(BUILDDIR)/devhelp
-	@echo
-	@echo "Build finished."
-	@echo "To view the help file:"
-	@echo "# mkdir -p $$HOME/.local/share/devhelp/PillowPILfork"
-	@echo "# ln -s $(BUILDDIR)/devhelp $$HOME/.local/share/devhelp/PillowPILfork"
-	@echo "# devhelp"
-
-.PHONY: epub
-epub:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder epub $(ALLSPHINXOPTS) $(BUILDDIR)/epub
-	@echo
-	@echo "Build finished. The epub file is in $(BUILDDIR)/epub."
-
-.PHONY: latex
-latex:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
-	@echo
-	@echo "Build finished; the LaTeX files are in $(BUILDDIR)/latex."
-	@echo "Run \`make' in that directory to run these through (pdf)latex" \
-	      "(use \`make latexpdf' here to do that automatically)."
-
-.PHONY: latexpdf
-latexpdf:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
-	@echo "Running LaTeX files through pdflatex..."
-	$(MAKE) -C $(BUILDDIR)/latex all-pdf
-	@echo "pdflatex finished; the PDF files are in $(BUILDDIR)/latex."
-
-.PHONY: text
-text:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder text $(ALLSPHINXOPTS) $(BUILDDIR)/text
-	@echo
-	@echo "Build finished. The text files are in $(BUILDDIR)/text."
-
-.PHONY: man
-man:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder man $(ALLSPHINXOPTS) $(BUILDDIR)/man
-	@echo
-	@echo "Build finished. The manual pages are in $(BUILDDIR)/man."
-
-.PHONY: texinfo
-texinfo:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
-	@echo
-	@echo "Build finished. The Texinfo files are in $(BUILDDIR)/texinfo."
-	@echo "Run \`make' in that directory to run these through makeinfo" \
-	      "(use \`make info' here to do that automatically)."
-
-.PHONY: info
-info:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder texinfo $(ALLSPHINXOPTS) $(BUILDDIR)/texinfo
-	@echo "Running Texinfo files through makeinfo..."
-	make -C $(BUILDDIR)/texinfo info
-	@echo "makeinfo finished; the Info files are in $(BUILDDIR)/texinfo."
-
-.PHONY: gettext
-gettext:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder gettext $(I18NSPHINXOPTS) $(BUILDDIR)/locale
-	@echo
-	@echo "Build finished. The message catalogs are in $(BUILDDIR)/locale."
-
-.PHONY: changes
-changes:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder changes $(ALLSPHINXOPTS) $(BUILDDIR)/changes
-	@echo
-	@echo "The overview file is in $(BUILDDIR)/changes."
 
 .PHONY: linkcheck
-linkcheck:
+linkcheck: BUILDER = linkcheck
-	$(MAKE) install-sphinx
+linkcheck: html
-	$(SPHINXBUILD) --builder linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck -j auto
-	@echo
-	@echo "Link check complete; look for any errors in the above output " \
-	      "or in $(BUILDDIR)/linkcheck/output.txt."
-
-.PHONY: doctest
-doctest:
-	$(MAKE) install-sphinx
-	$(SPHINXBUILD) --builder doctest $(ALLSPHINXOPTS) $(BUILDDIR)/doctest
-	@echo "Testing of doctests in the sources finished, look at the " \
-	      "results in $(BUILDDIR)/doctest/output.txt."
 
 .PHONY: htmlview
 htmlview: html

docs/PIL.rst

@@ -1,10 +1,10 @@
-PIL Package (autodoc of remaining modules)
+PIL package (autodoc of remaining modules)
 ==========================================
 
 Reference for modules whose documentation has not yet been ported or written
 can be found here.
 
-:mod:`PIL` Module
+:mod:`PIL` module
 -----------------
 
 .. py:module:: PIL
@@ -12,7 +12,7 @@ can be found here.
 .. autoexception:: UnidentifiedImageError
     :show-inheritance:
 
-:mod:`~PIL.BdfFontFile` Module
+:mod:`~PIL.BdfFontFile` module
 ------------------------------
 
 .. automodule:: PIL.BdfFontFile
@@ -20,7 +20,7 @@ can be found here.
     :undoc-members:
     :show-inheritance:
 
-:mod:`~PIL.ContainerIO` Module
+:mod:`~PIL.ContainerIO` module
 ------------------------------
 
 .. automodule:: PIL.ContainerIO
@@ -28,7 +28,7 @@ can be found here.
     :undoc-members:
     :show-inheritance:
 
-:mod:`~PIL.FontFile` Module
+:mod:`~PIL.FontFile` module
 ---------------------------
 
 .. automodule:: PIL.FontFile
@@ -36,7 +36,7 @@ can be found here.
     :undoc-members:
     :show-inheritance:
 
-:mod:`~PIL.GdImageFile` Module
+:mod:`~PIL.GdImageFile` module
 ------------------------------
 
 .. automodule:: PIL.GdImageFile
@@ -44,7 +44,7 @@ can be found here.
     :undoc-members:
     :show-inheritance:
 
-:mod:`~PIL.GimpGradientFile` Module
+:mod:`~PIL.GimpGradientFile` module
 -----------------------------------
 
 .. automodule:: PIL.GimpGradientFile
@@ -52,7 +52,7 @@ can be found here.
     :undoc-members:
     :show-inheritance:
 
-:mod:`~PIL.GimpPaletteFile` Module
+:mod:`~PIL.GimpPaletteFile` module
 ----------------------------------
 
 .. automodule:: PIL.GimpPaletteFile
@@ -60,7 +60,7 @@ can be found here.
     :undoc-members:
     :show-inheritance:
 
-:mod:`~PIL.ImageDraw2` Module
+:mod:`~PIL.ImageDraw2` module
 -----------------------------
 
 .. automodule:: PIL.ImageDraw2
@@ -69,7 +69,7 @@ can be found here.
     :undoc-members:
     :show-inheritance:
 
-:mod:`~PIL.ImageMode` Module
+:mod:`~PIL.ImageMode` module
 ----------------------------
 
 .. automodule:: PIL.ImageMode
@@ -77,7 +77,7 @@ can be found here.
     :undoc-members:
     :show-inheritance:
 
-:mod:`~PIL.PaletteFile` Module
+:mod:`~PIL.PaletteFile` module
 ------------------------------
 
 .. automodule:: PIL.PaletteFile
@@ -85,7 +85,7 @@ can be found here.
     :undoc-members:
     :show-inheritance:
 
-:mod:`~PIL.PcfFontFile` Module
+:mod:`~PIL.PcfFontFile` module
 ------------------------------
 
 .. automodule:: PIL.PcfFontFile
@@ -93,7 +93,7 @@ can be found here.
     :undoc-members:
     :show-inheritance:
 
-:class:`.PngImagePlugin.iTXt` Class
+:class:`.PngImagePlugin.iTXt` class
 -----------------------------------
 
 .. autoclass:: PIL.PngImagePlugin.iTXt
@@ -107,7 +107,7 @@ can be found here.
         :param lang: language code
         :param tkey: UTF-8 version of the key name
 
-:class:`.PngImagePlugin.PngInfo` Class
+:class:`.PngImagePlugin.PngInfo` class
 --------------------------------------
 
 .. autoclass:: PIL.PngImagePlugin.PngInfo
@@ -116,7 +116,7 @@ can be found here.
     :show-inheritance:
 
 
-:mod:`~PIL.TarIO` Module
+:mod:`~PIL.TarIO` module
 ------------------------
 
 .. automodule:: PIL.TarIO
@@ -124,7 +124,7 @@ can be found here.
     :undoc-members:
     :show-inheritance:
 
-:mod:`~PIL.WalImageFile` Module
+:mod:`~PIL.WalImageFile` module
 -------------------------------
 
 .. automodule:: PIL.WalImageFile

docs/conf.py

@@ -229,97 +229,6 @@ html_js_files = [
 # implements a search results scorer. If empty, the default will be used.
 # html_search_scorer = 'scorer.js'
 
-# Output file base name for HTML help builder.
-htmlhelp_basename = "PillowPILForkdoc"
-
-# -- Options for LaTeX output ---------------------------------------------
-
-latex_elements: dict[str, str] = {
-    # The paper size ('letterpaper' or 'a4paper').
-    # 'papersize': 'letterpaper',
-    # The font size ('10pt', '11pt' or '12pt').
-    # 'pointsize': '10pt',
-    # Additional stuff for the LaTeX preamble.
-    # 'preamble': '',
-    # Latex figure (float) alignment
-    # 'figure_align': 'htbp',
-}
-
-# Grouping the document tree into LaTeX files. List of tuples
-# (source start file, target name, title,
-#  author, documentclass [howto, manual, or own class]).
-latex_documents = [
-    (
-        master_doc,
-        "PillowPILFork.tex",
-        "Pillow (PIL Fork) Documentation",
-        "Jeffrey A. Clark",
-        "manual",
-    )
-]
-
-# The name of an image file (relative to this directory) to place at the top of
-# the title page.
-# latex_logo = None
-
-# For "manual" documents, if this is true, then toplevel headings are parts,
-# not chapters.
-# latex_use_parts = False
-
-# If true, show page references after internal links.
-# latex_show_pagerefs = False
-
-# If true, show URL addresses after external links.
-# latex_show_urls = False
-
-# Documents to append as an appendix to all manuals.
-# latex_appendices = []
-
-# If false, no module index is generated.
-# latex_domain_indices = True
-
-
-# -- Options for manual page output ---------------------------------------
-
-# One entry per manual page. List of tuples
-# (source start file, name, description, authors, manual section).
-man_pages = [
-    (master_doc, "pillowpilfork", "Pillow (PIL Fork) Documentation", [author], 1)
-]
-
-# If true, show URL addresses after external links.
-# man_show_urls = False
-
-
-# -- Options for Texinfo output -------------------------------------------
-
-# Grouping the document tree into Texinfo files. List of tuples
-# (source start file, target name, title, author,
-#  dir menu entry, description, category)
-texinfo_documents = [
-    (
-        master_doc,
-        "PillowPILFork",
-        "Pillow (PIL Fork) Documentation",
-        author,
-        "PillowPILFork",
-        "Pillow is the friendly PIL fork by Jeffrey A. Clark and contributors.",
-        "Miscellaneous",
-    )
-]
-
-# Documents to append as an appendix to all manuals.
-# texinfo_appendices = []
-
-# If false, no module index is generated.
-# texinfo_domain_indices = True
-
-# How to display URL addresses: 'footnote', 'no', or 'inline'.
-# texinfo_show_urls = 'footnote'
-
-# If true, do not generate a @detailmenu in the "Top" node's menu.
-# texinfo_no_detailmenu = False
-
 
 linkcheck_allowed_redirects = {
     r"https://www.bestpractices.dev/projects/6331": r"https://www.bestpractices.dev/en/.*",

docs/dater.py

@@ -8,8 +8,8 @@ from __future__ import annotations
 
 import re
 import subprocess
-from typing import TYPE_CHECKING
 
+TYPE_CHECKING = False
 if TYPE_CHECKING:
     from sphinx.application import Sphinx
 

docs/deprecations.rst

@@ -155,7 +155,7 @@ 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
+Specific WebP feature checks
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 .. deprecated:: 11.0.0
@@ -193,6 +193,28 @@ Image.Image.get_child_images()
 method uses an image's file pointer, and so child images could only be retrieved from
 an :py:class:`PIL.ImageFile.ImageFile` instance.
 
+Image.fromarray mode parameter
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+.. deprecated:: 11.3.0
+
+The ``mode`` parameter in :py:meth:`~PIL.Image.fromarray()` has been deprecated. The
+mode can be automatically determined from the object's shape and type instead.
+
+Saving I mode images as PNG
+^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+.. deprecated:: 11.3.0
+
+In order to fit the 32 bits of I mode images into PNG, when PNG images can only contain
+at most 16 bits for a channel, Pillow has been clipping the values. Rather than quietly
+changing the data, this is now deprecated. Instead, the image can be converted to
+another mode before saving::
+
+    from PIL import Image
+    im = Image.new("I", (1, 1))
+    im.convert("I;16").save("out.png")
+
 Removed features
 ----------------
 

docs/handbook/appendices.rst

@@ -8,4 +8,5 @@ Appendices
 
   image-file-formats
   text-anchors
+  third-party-plugins
   writing-your-own-image-plugin

docs/handbook/concepts.rst

@@ -84,7 +84,7 @@ pixels.
 
 .. _coordinate-system:
 
-Coordinate System
+Coordinate system
 -----------------
 
 The Python Imaging Library uses a Cartesian pixel coordinate system, with (0,0)

docs/handbook/image-file-formats.rst

@@ -1082,6 +1082,26 @@ Pillow reads and writes PBM, PGM, PPM and PNM files containing ``1``, ``L``, ``I
 
 Since Pillow 9.2.0, "plain" (P1 to P3) formats can be read as well.
 
+QOI
+^^^
+
+.. versionadded:: 9.5.0
+
+Pillow reads and writes images in Quite OK Image format using a Python codec. If you
+wish to write code specifically for this format, :pypi:`qoi` is an alternative library
+that uses C to decode the image and interfaces with NumPy.
+
+.. _qoi-saving:
+
+Saving
+~~~~~~
+
+The :py:meth:`~PIL.Image.Image.save` method can take the following keyword arguments:
+
+**colorspace**
+    If set to "sRGB", the colorspace will be written as sRGB with linear alpha, instead
+    of all channels being linear.
+
 SGI
 ^^^
 
@@ -1222,7 +1242,7 @@ numbers are returned as a tuple of ``(numerator, denominator)``.
 
     .. deprecated:: 3.0.0
 
-Reading Multi-frame TIFF Images
+Reading multi-frame TIFF images
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 The TIFF loader supports the :py:meth:`~PIL.Image.Image.seek` and
@@ -1578,15 +1598,6 @@ PSD
 
 Pillow identifies and reads PSD files written by Adobe Photoshop 2.5 and 3.0.
 
-QOI
-^^^
-
-.. versionadded:: 9.5.0
-
-Pillow reads images in Quite OK Image format using a Python decoder. If you wish to
-write code specifically for this format, :pypi:`qoi` is an alternative library that
-uses C to decode the image and interfaces with NumPy.
-
 SUN
 ^^^
 
@@ -1650,7 +1661,8 @@ handler. ::
 XPM
 ^^^
 
-Pillow reads X pixmap files (mode ``P``) with 256 colors or less.
+Pillow reads X pixmap files as P mode images if there are 256 colors or less, and as
+RGB images otherwise.
 
 .. _xpm-opening:
 
@@ -1664,7 +1676,7 @@ The :py:meth:`~PIL.Image.open` method sets the following
     Transparency color index. This key is omitted if the image is not
     transparent.
 
-XV Thumbnails
+XV thumbnails
 ^^^^^^^^^^^^^
 
 Pillow can read XV thumbnail files.

docs/handbook/overview.rst

@@ -13,7 +13,7 @@ processing tool.
 
 Let’s look at a few possible uses of this library.
 
-Image Archives
+Image archives
 --------------
 
 The Python Imaging Library is ideal for image archival and batch processing
@@ -24,7 +24,7 @@ The current version identifies and reads a large number of formats. Write
 support is intentionally restricted to the most commonly used interchange and
 presentation formats.
 
-Image Display
+Image display
 -------------
 
 The current release includes Tk :py:class:`~PIL.ImageTk.PhotoImage` and
@@ -36,7 +36,7 @@ support.
 For debugging, there’s also a :py:meth:`~PIL.Image.Image.show` method which saves an image to
 disk, and calls an external display utility.
 
-Image Processing
+Image processing
 ----------------
 
 The library contains basic image processing functionality, including point operations, filtering with a set of built-in convolution kernels, and colour space conversions.

docs/handbook/third-party-plugins.rst

@@ -0,0 +1,18 @@
+Third-party plugins
+===================
+
+Pillow uses a plugin model which allows users to add their own
+decoders and encoders to the library, without any changes to the library
+itself.
+
+Here is a list of PyPI projects that offer additional plugins:
+
+* :pypi:`DjvuRleImagePlugin`: Plugin for the DjVu RLE image format as defined in the DjVuLibre docs.
+* :pypi:`heif-image-plugin`: Simple HEIF/HEIC images plugin, based on the pyheif library.
+* :pypi:`jxlpy`: Introduces reading and writing support for JPEG XL.
+* :pypi:`pillow-heif`: Python bindings to libheif for working with HEIF images.
+* :pypi:`pillow-jpls`: Plugin for the JPEG-LS codec, based on the Charls JPEG-LS implemetation. Python bindings implemented using pybind11.
+* :pypi:`pillow-jxl-plugin`: Plugin for JPEG-XL, using Rust for bindings.
+* :pypi:`pillow-mbm`: Adds support for KSP's proprietary MBM texture format.
+* :pypi:`pillow-svg`: Implements basic SVG read support. Supports basic paths, shapes, and text.
+* :pypi:`raw-pillow-opener`: Simple camera raw opener, based on the rawpy library.

docs/handbook/tutorial.rst

@@ -122,7 +122,7 @@ This means that opening an image file is a fast operation, which is independent
 of the file size and compression type. Here’s a simple script to quickly
 identify a set of image files:
 
-Identify Image Files
+Identify image files
 ^^^^^^^^^^^^^^^^^^^^
 
 ::
@@ -399,7 +399,7 @@ Applying filters
 .. image:: enhanced_hopper.webp
     :align: center
 
-Point Operations
+Point operations
 ^^^^^^^^^^^^^^^^
 
 The :py:meth:`~PIL.Image.Image.point` method can be used to translate the pixel

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

@@ -1,6 +1,6 @@
 .. _image-plugins:
 
-Writing Your Own Image Plugin
+Writing your own image plugin
 =============================
 
 Pillow uses a plugin model which allows you to add your own
@@ -329,7 +329,7 @@ The fields are used as follows:
 
 .. _file-codecs:
 
-Writing Your Own File Codec in C
+Writing your own file codec in C
 ================================
 
 There are 3 stages in a file codec's lifetime:
@@ -414,7 +414,7 @@ memory and release any resources from external libraries.
 
 .. _file-codecs-py:
 
-Writing Your Own File Codec in Python
+Writing your own file codec in Python
 =====================================
 
 Python file decoders and encoders should derive from

docs/installation.rst

@@ -3,27 +3,27 @@
 Installation
 ============
 
-Basic Installation
+Basic installation
 ------------------
 
 .. Note:: This section has moved to :ref:`basic-installation`. Please update references accordingly.
 
-Python Support
+Python support
 --------------
 
 .. Note:: This section has moved to :ref:`python-support`. Please update references accordingly.
 
-Platform Support
+Platform support
 ----------------
 
 .. Note:: This section has moved to :ref:`platform-support`. Please update references accordingly.
 
-Building From Source
+Building from source
 --------------------
 
 .. Note:: This section has moved to :ref:`building-from-source`. Please update references accordingly.
 
-Old Versions
+Old versions
 ------------
 
 .. Note:: This section has moved to :ref:`old-versions`. Please update references accordingly.

docs/installation/basic-installation.rst

@@ -8,7 +8,7 @@
 
 .. _basic-installation:
 
-Basic Installation
+Basic installation
 ==================
 
 .. note::

docs/installation/building-from-source.rst

@@ -8,12 +8,12 @@
 
 .. _building-from-source:
 
-Building From Source
+Building from source
 ====================
 
 .. _external-libraries:
 
-External Libraries
+External libraries
 ------------------
 
 .. note::
@@ -194,9 +194,9 @@ Many of Pillow's features require external libraries:
 
         pacman -S \
             mingw-w64-x86_64-gcc \
-            mingw-w64-x86_64-python3 \
+            mingw-w64-x86_64-python \
-            mingw-w64-x86_64-python3-pip \
+            mingw-w64-x86_64-python-pip \
-            mingw-w64-x86_64-python3-setuptools
+            mingw-w64-x86_64-python-setuptools
 
     Prerequisites are installed on **MSYS2 MinGW 64-bit** with::
 
@@ -271,7 +271,7 @@ After navigating to the Pillow directory, run::
 
 .. _compressed archive from PyPI: https://pypi.org/project/pillow/#files
 
-Build Options
+Build options
 ^^^^^^^^^^^^^
 
 * Config setting: ``-C parallel=n``. Can also be given
@@ -319,7 +319,7 @@ Sample usage::
 
 .. _old-versions:
 
-Old Versions
+Old versions
 ============
 
 You can download old distributions from the `release history at PyPI

docs/installation/platform-support.rst

@@ -1,6 +1,6 @@
 .. _platform-support:
 
-Platform Support
+Platform support
 ================
 
 Current platform support for Pillow. Binary distributions are
@@ -9,7 +9,7 @@ should compile and run everywhere platform support is listed. In
 general, we aim to support all current versions of Linux, macOS, and
 Windows.
 
-Continuous Integration Targets
+Continuous integration targets
 ------------------------------
 
 These platforms are built and tested for every change.
@@ -40,18 +40,20 @@ These platforms are built and tested for every change.
 | macOS 13 Ventura                 | 3.9                        | x86-64              |
 +----------------------------------+----------------------------+---------------------+
 | macOS 14 Sonoma                  | 3.10, 3.11, 3.12, 3.13,    | arm64               |
-|                                  | PyPy3                      |                     |
+|                                  | 3.14, PyPy3                |                     |
 +----------------------------------+----------------------------+---------------------+
-| Ubuntu Linux 22.04 LTS (Jammy)   | 3.9, 3.10, 3.11,           | x86-64              |
+| Ubuntu Linux 22.04 LTS (Jammy)   | 3.10                       | x86-64              |
-|                                  | 3.12, 3.13, PyPy3          |                     |
 +----------------------------------+----------------------------+---------------------+
-| Ubuntu Linux 24.04 LTS (Noble)   | 3.12                       | x86-64, arm64v8,    |
+| Ubuntu Linux 24.04 LTS (Noble)   | 3.9, 3.10, 3.11,           | x86-64              |
-|                                  |                            | ppc64le, s390x      |
+|                                  | 3.12, 3.13, 3.14, PyPy3    |                     |
+|                                  +----------------------------+---------------------+
+|                                  | 3.12                       | arm64v8, ppc64le,   |
+|                                  |                            | s390x               |
 +----------------------------------+----------------------------+---------------------+
-| Windows Server 2019              | 3.9                        | x86                 |
+| Windows Server 2022              | 3.9                        | x86                 |
-+----------------------------------+----------------------------+---------------------+
+|                                  +----------------------------+---------------------+
-| Windows Server 2022              | 3.10, 3.11, 3.12, 3.13,    | x86-64              |
+|                                  | 3.10, 3.11, 3.12, 3.13,    | x86-64              |
-|                                  | PyPy3                      |                     |
+|                                  | 3.14, PyPy3                |                     |
 |                                  +----------------------------+---------------------+
 |                                  | 3.12 (MinGW)               | x86-64              |
 |                                  +----------------------------+---------------------+
@@ -59,7 +61,7 @@ These platforms are built and tested for every change.
 +----------------------------------+----------------------------+---------------------+
 
 
-Other Platforms
+Other platforms
 ---------------
 
 These platforms have been reported to work at the versions mentioned.

docs/installation/python-support.rst

@@ -1,6 +1,6 @@
 .. _python-support:
 
-Python Support
+Python support
 ==============
 
 Pillow supports these Python versions.

docs/make.bat

@@ -7,10 +7,8 @@ if "%SPHINXBUILD%" == "" (
 )
 set BUILDDIR=_build
 set ALLSPHINXOPTS=-d %BUILDDIR%/doctrees %SPHINXOPTS% .
-set I18NSPHINXOPTS=%SPHINXOPTS% .
 if NOT "%PAPER%" == "" (
 	set ALLSPHINXOPTS=-D latex_paper_size=%PAPER% %ALLSPHINXOPTS%
-	set I18NSPHINXOPTS=-D latex_paper_size=%PAPER% %I18NSPHINXOPTS%
 )
 
 if "%1" == "" goto help
@@ -22,20 +20,7 @@ if "%1" == "help" (
 	echo.  htmlview   to open the index page built by the html target in your browser
 	echo.  dirhtml    to make HTML files named index.html in directories
 	echo.  singlehtml to make a single large HTML file
-	echo.  pickle     to make pickle files
-	echo.  json       to make JSON files
-	echo.  htmlhelp   to make HTML files and a HTML help project
-	echo.  qthelp     to make HTML files and a qthelp project
-	echo.  devhelp    to make HTML files and a Devhelp project
-	echo.  epub       to make an epub
-	echo.  latex      to make LaTeX files, you can set PAPER=a4 or PAPER=letter
-	echo.  text       to make text files
-	echo.  man        to make manual pages
-	echo.  texinfo    to make Texinfo files
-	echo.  gettext    to make PO message catalogs
-	echo.  changes    to make an overview over all changed/added/deprecated items
 	echo.  linkcheck  to check all external links for integrity
-	echo.  doctest    to run all doctests embedded in the documentation if enabled
 	goto end
 )
 
@@ -80,107 +65,6 @@ if "%1" == "singlehtml" (
 	goto end
 )
 
-if "%1" == "pickle" (
-	%SPHINXBUILD% -b pickle %ALLSPHINXOPTS% %BUILDDIR%/pickle
-	if errorlevel 1 exit /b 1
-	echo.
-	echo.Build finished; now you can process the pickle files.
-	goto end
-)
-
-if "%1" == "json" (
-	%SPHINXBUILD% -b json %ALLSPHINXOPTS% %BUILDDIR%/json
-	if errorlevel 1 exit /b 1
-	echo.
-	echo.Build finished; now you can process the JSON files.
-	goto end
-)
-
-if "%1" == "htmlhelp" (
-	%SPHINXBUILD% -b htmlhelp %ALLSPHINXOPTS% %BUILDDIR%/htmlhelp
-	if errorlevel 1 exit /b 1
-	echo.
-	echo.Build finished; now you can run HTML Help Workshop with the ^
-.hhp project file in %BUILDDIR%/htmlhelp.
-	goto end
-)
-
-if "%1" == "qthelp" (
-	%SPHINXBUILD% -b qthelp %ALLSPHINXOPTS% %BUILDDIR%/qthelp
-	if errorlevel 1 exit /b 1
-	echo.
-	echo.Build finished; now you can run "qcollectiongenerator" with the ^
-.qhcp project file in %BUILDDIR%/qthelp, like this:
-	echo.^> qcollectiongenerator %BUILDDIR%\qthelp\PillowPILfork.qhcp
-	echo.To view the help file:
-	echo.^> assistant -collectionFile %BUILDDIR%\qthelp\PillowPILfork.ghc
-	goto end
-)
-
-if "%1" == "devhelp" (
-	%SPHINXBUILD% -b devhelp %ALLSPHINXOPTS% %BUILDDIR%/devhelp
-	if errorlevel 1 exit /b 1
-	echo.
-	echo.Build finished.
-	goto end
-)
-
-if "%1" == "epub" (
-	%SPHINXBUILD% -b epub %ALLSPHINXOPTS% %BUILDDIR%/epub
-	if errorlevel 1 exit /b 1
-	echo.
-	echo.Build finished. The epub file is in %BUILDDIR%/epub.
-	goto end
-)
-
-if "%1" == "latex" (
-	%SPHINXBUILD% -b latex %ALLSPHINXOPTS% %BUILDDIR%/latex
-	if errorlevel 1 exit /b 1
-	echo.
-	echo.Build finished; the LaTeX files are in %BUILDDIR%/latex.
-	goto end
-)
-
-if "%1" == "text" (
-	%SPHINXBUILD% -b text %ALLSPHINXOPTS% %BUILDDIR%/text
-	if errorlevel 1 exit /b 1
-	echo.
-	echo.Build finished. The text files are in %BUILDDIR%/text.
-	goto end
-)
-
-if "%1" == "man" (
-	%SPHINXBUILD% -b man %ALLSPHINXOPTS% %BUILDDIR%/man
-	if errorlevel 1 exit /b 1
-	echo.
-	echo.Build finished. The manual pages are in %BUILDDIR%/man.
-	goto end
-)
-
-if "%1" == "texinfo" (
-	%SPHINXBUILD% -b texinfo %ALLSPHINXOPTS% %BUILDDIR%/texinfo
-	if errorlevel 1 exit /b 1
-	echo.
-	echo.Build finished. The Texinfo files are in %BUILDDIR%/texinfo.
-	goto end
-)
-
-if "%1" == "gettext" (
-	%SPHINXBUILD% -b gettext %I18NSPHINXOPTS% %BUILDDIR%/locale
-	if errorlevel 1 exit /b 1
-	echo.
-	echo.Build finished. The message catalogs are in %BUILDDIR%/locale.
-	goto end
-)
-
-if "%1" == "changes" (
-	%SPHINXBUILD% -b changes %ALLSPHINXOPTS% %BUILDDIR%/changes
-	if errorlevel 1 exit /b 1
-	echo.
-	echo.The overview file is in %BUILDDIR%/changes.
-	goto end
-)
-
 if "%1" == "linkcheck" (
 	%SPHINXBUILD% -b linkcheck %ALLSPHINXOPTS% %BUILDDIR%/linkcheck
 	if errorlevel 1 exit /b 1
@@ -190,13 +74,4 @@ or in %BUILDDIR%/linkcheck/output.txt.
 	goto end
 )
 
-if "%1" == "doctest" (
-	%SPHINXBUILD% -b doctest %ALLSPHINXOPTS% %BUILDDIR%/doctest
-	if errorlevel 1 exit /b 1
-	echo.
-	echo.Testing of doctests in the sources finished, look at the ^
-results in %BUILDDIR%/doctest/output.txt.
-	goto end
-)
-
 :end

docs/reference/ExifTags.rst

@@ -1,7 +1,7 @@
 .. py:module:: PIL.ExifTags
 .. py:currentmodule:: PIL.ExifTags
 
-:py:mod:`~PIL.ExifTags` Module
+:py:mod:`~PIL.ExifTags` module
 ==============================
 
 The :py:mod:`~PIL.ExifTags` module exposes several :py:class:`enum.IntEnum`

docs/reference/Image.rst

@@ -1,7 +1,7 @@
 .. py:module:: PIL.Image
 .. py:currentmodule:: PIL.Image
 
-:py:mod:`~PIL.Image` Module
+:py:mod:`~PIL.Image` module
 ===========================
 
 The :py:mod:`~PIL.Image` module provides a class with the same name which is
@@ -113,7 +113,7 @@ Registering plugins
 .. autofunction:: register_decoder
 .. autofunction:: register_encoder
 
-The Image Class
+The Image class
 ---------------
 
 .. autoclass:: PIL.Image.Image
@@ -261,7 +261,7 @@ method. ::
 .. automethod:: PIL.Image.Image.load
 .. automethod:: PIL.Image.Image.close
 
-Image Attributes
+Image attributes
 ----------------
 
 Instances of the :py:class:`Image` class have the following attributes: