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Merge branch 'main' into ttb

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This commit is contained in:
Andrew Murray 2025-06-28 13:49:43 +10:00
commit 26ae44e059
376 changed files with 20644 additions and 3287 deletions
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16
.ci/install.sh
View File

@ -2,12 +2,12 @@
aptget_update()
{
if [ ! -z $1 ]; then
if [ -n "$1" ]; then
echo ""
echo "Retrying apt-get update..."
echo ""
fi
output=`sudo apt-get update 2>&1`
output=$(sudo apt-get update 2>&1)
echo "$output"
if [[ $output == *[WE]:\ * ]]; then
return 1
@ -20,10 +20,10 @@ fi
set -e
if [[ $(uname) != CYGWIN* ]]; then
sudo apt-get -qq install libfreetype6-dev liblcms2-dev python3-tk\
sudo apt-get -qq install libfreetype6-dev liblcms2-dev libtiff-dev python3-tk\
ghostscript libjpeg-turbo8-dev libopenjp2-7-dev\
cmake meson imagemagick libharfbuzz-dev libfribidi-dev\
sway wl-clipboard libopenblas-dev
sway wl-clipboard libopenblas-dev nasm
fi
python3 -m pip install --upgrade pip
@ -36,6 +36,9 @@ python3 -m pip install -U pytest
python3 -m pip install -U pytest-cov
python3 -m pip install -U pytest-timeout
python3 -m pip install pyroma
# optional test dependency, only install if there's a binary package.
# fails on beta 3.14 and PyPy
python3 -m pip install --only-binary=:all: pyarrow || true
if [[ $(uname) != CYGWIN* ]]; then
python3 -m pip install numpy
@ -50,7 +53,7 @@ if [[ $(uname) != CYGWIN* ]]; then
# Pyroma uses non-isolated build and fails with old setuptools
if [[ $GHA_PYTHON_VERSION == 3.9 ]]; then
# To match pyproject.toml
python3 -m pip install "setuptools>=67.8"
python3 -m pip install "setuptools>=77"
fi
# webp
@ -62,6 +65,9 @@ if [[ $(uname) != CYGWIN* ]]; then
# raqm
pushd depends && ./install_raqm.sh && popd
# libavif
pushd depends && ./install_libavif.sh && popd
# extra test images
pushd depends && ./install_extra_test_images.sh && popd
else

2
.ci/requirements-cibw.txt
View File

@ -1 +1 @@
cibuildwheel==2.22.0
cibuildwheel==3.0.0

3
.ci/requirements-mypy.txt
View File

@ -1,9 +1,10 @@
mypy==1.14.1
mypy==1.16.1
IceSpringPySideStubs-PyQt6
IceSpringPySideStubs-PySide6
ipython
numpy
packaging
pyarrow-stubs
pytest
sphinx
types-atheris

2
.ci/test.cmd
View File

@ -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

2
.ci/test.sh
View File

@ -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

22
.clang-format
View File

@ -1,5 +1,26 @@
# A clang-format style that approximates Python's PEP 7
# Useful for IDE integration
Language: C
BasedOnStyle: Google
AlwaysBreakAfterReturnType: All
AllowShortIfStatementsOnASingleLine: false
AlignAfterOpenBracket: BlockIndent
BinPackArguments: false
BinPackParameters: false
BreakBeforeBraces: Attach
ColumnLimit: 88
DerivePointerAlignment: false
IndentGotoLabels: false
IndentWidth: 4
PointerAlignment: Right
ReflowComments: true
SortIncludes: false
SpaceBeforeParens: ControlStatements
SpacesInParentheses: false
TabWidth: 4
UseTab: Never
---
Language: Cpp
BasedOnStyle: Google
AlwaysBreakAfterReturnType: All
AllowShortIfStatementsOnASingleLine: false
@ -11,7 +32,6 @@ ColumnLimit: 88
DerivePointerAlignment: false
IndentGotoLabels: false
IndentWidth: 4
Language: Cpp
PointerAlignment: Right
ReflowComments: true
SortIncludes: false

46
.github/ISSUE_TEMPLATE/RELEASE.md vendored Normal file
View File

@ -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]]
```

2
.github/renovate.json vendored
View File

@ -16,6 +16,6 @@
}
],
"schedule": [
"on the 3rd day of the month"
"* * 3 * *"
]
}

10
.github/workflows/macos-install.sh vendored
View File

@ -6,6 +6,8 @@ if [[ "$ImageOS" == "macos13" ]]; then
brew uninstall gradle maven
fi
brew install \
aom \
dav1d \
freetype \
ghostscript \
jpeg-turbo \
@ -14,6 +16,8 @@ brew install \
libtiff \
little-cms2 \
openjpeg \
rav1e \
svt-av1 \
webp
export PKG_CONFIG_PATH="/usr/local/opt/openblas/lib/pkgconfig"
@ -26,6 +30,12 @@ python3 -m pip install -U pytest-cov
python3 -m pip install -U pytest-timeout
python3 -m pip install pyroma
python3 -m pip install numpy
# optional test dependency, only install if there's a binary package.
# fails on beta 3.14 and PyPy
python3 -m pip install --only-binary=:all: pyarrow || true
# libavif
pushd depends && ./install_libavif.sh && popd
# extra test images
pushd depends && ./install_extra_test_images.sh && popd

15
.github/workflows/test-docker.yml vendored
View File

@ -35,6 +35,10 @@ jobs:
matrix:
os: ["ubuntu-latest"]
docker: [
# Run slower jobs first to give them a headstart and reduce waiting time
ubuntu-24.04-noble-ppc64le,
ubuntu-24.04-noble-s390x,
# Then run the remainder
alpine,
amazon-2-amd64,
amazon-2023-amd64,
@ -43,8 +47,8 @@ jobs:
centos-stream-10-amd64,
debian-12-bookworm-x86,
debian-12-bookworm-amd64,
fedora-40-amd64,
fedora-41-amd64,
fedora-42-amd64,
gentoo,
ubuntu-22.04-jammy-amd64,
ubuntu-24.04-noble-amd64,
@ -52,13 +56,9 @@ jobs:
dockerTag: [main]
include:
- docker: "ubuntu-24.04-noble-ppc64le"
os: "ubuntu-22.04"
qemu-arch: "ppc64le"
dockerTag: main
- docker: "ubuntu-24.04-noble-s390x"
os: "ubuntu-22.04"
qemu-arch: "s390x"
dockerTag: main
- docker: "ubuntu-24.04-noble-arm64v8"
os: "ubuntu-24.04-arm"
dockerTag: main
@ -75,8 +75,9 @@ jobs:
- name: Set up QEMU
if: "matrix.qemu-arch"
run: |
docker run --rm --privileged aptman/qus -s -- -p ${{ matrix.qemu-arch }}
uses: docker/setup-qemu-action@v3
with:
platforms: ${{ matrix.qemu-arch }}
- name: Docker pull
run: |

2
.github/workflows/test-mingw.yml vendored
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@ -60,6 +60,8 @@ jobs:
mingw-w64-x86_64-gcc \
mingw-w64-x86_64-ghostscript \
mingw-w64-x86_64-lcms2 \
mingw-w64-x86_64-libavif \
mingw-w64-x86_64-libimagequant \
mingw-w64-x86_64-libjpeg-turbo \
mingw-w64-x86_64-libraqm \
mingw-w64-x86_64-libtiff \

60
.github/workflows/test-valgrind-memory.yml vendored Normal file
View File

@ -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

23
.github/workflows/test-windows.yml vendored
View File

@ -31,18 +31,17 @@ env:
jobs:
build:
runs-on: ${{ matrix.os }}
runs-on: windows-latest
strategy:
fail-fast: false
matrix:
python-version: ["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: 30
timeout-minutes: 45
name: Python ${{ matrix.python-version }} (${{ matrix.architecture }})
@ -84,18 +83,22 @@ 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
- name: Install PyArrow dependency
run: |
python3 -m pip install --only-binary=:all: pyarrow || true
- name: Install dependencies
id: install
run: |
choco install nasm --no-progress
echo "C:\Program Files\NASM" >> $env:GITHUB_PATH
choco install ghostscript --version=10.4.0 --no-progress
echo "C:\Program Files\gs\gs10.04.0\bin" >> $env:GITHUB_PATH
choco install ghostscript --version=10.5.1 --no-progress
echo "C:\Program Files\gs\gs10.05.1\bin" >> $env:GITHUB_PATH
# Install extra test images
xcopy /S /Y Tests\test-images\* Tests\images
@ -145,6 +148,10 @@ jobs:
if: steps.build-cache.outputs.cache-hit != 'true'
run: "& winbuild\\build\\build_dep_libpng.cmd"
- name: Build dependencies / libavif
if: steps.build-cache.outputs.cache-hit != 'true' && matrix.architecture == 'x64'
run: "& winbuild\\build\\build_dep_libavif.cmd"
# for FreeType WOFF2 font support
- name: Build dependencies / brotli
if: steps.build-cache.outputs.cache-hit != 'true'

5
.github/workflows/test.yml vendored
View File

@ -41,7 +41,9 @@ jobs:
"ubuntu-latest",
]
python-version: [
"pypy3.11",
"pypy3.10",
"3.14t",
"3.14",
"3.13t",
"3.13",
@ -54,6 +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" }
@ -69,7 +72,7 @@ jobs:
persist-credentials: false
- name: Set up Python ${{ matrix.python-version }}
uses: Quansight-Labs/setup-python@v5
uses: actions/setup-python@v5
with:
python-version: ${{ matrix.python-version }}
allow-prereleases: true

107
.github/workflows/wheels-dependencies.sh vendored
View File

@ -25,7 +25,7 @@ else
MB_ML_LIBC=${AUDITWHEEL_POLICY::9}
MB_ML_VER=${AUDITWHEEL_POLICY:9}
fi
PLAT=$CIBW_ARCHS
PLAT="${CIBW_ARCHS:-$AUDITWHEEL_ARCH}"
# Define custom utilities
source wheels/multibuild/common_utils.sh
@ -38,40 +38,43 @@ ARCHIVE_SDIR=pillow-depends-main
# Package versions for fresh source builds
FREETYPE_VERSION=2.13.3
HARFBUZZ_VERSION=10.2.0
LIBPNG_VERSION=1.6.46
JPEGTURBO_VERSION=3.1.0
HARFBUZZ_VERSION=11.2.1
LIBPNG_VERSION=1.6.49
JPEGTURBO_VERSION=3.1.1
OPENJPEG_VERSION=2.5.3
XZ_VERSION=5.6.4
TIFF_VERSION=4.6.0
LCMS2_VERSION=2.16
ZLIB_NG_VERSION=2.2.3
XZ_VERSION=5.8.1
TIFF_VERSION=4.7.0
LCMS2_VERSION=2.17
ZLIB_VERSION=1.3.1
ZLIB_NG_VERSION=2.2.4
LIBWEBP_VERSION=1.5.0
BZIP2_VERSION=1.0.8
LIBXCB_VERSION=1.17.0
BROTLI_VERSION=1.1.0
LIBAVIF_VERSION=1.3.0
function build_pkg_config {
if [ -e pkg-config-stamp ]; then return; fi
# This essentially duplicates the Homebrew recipe
ORIGINAL_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -Wno-int-conversion"
build_simple pkg-config 0.29.2 https://pkg-config.freedesktop.org/releases tar.gz \
CFLAGS="$CFLAGS -Wno-int-conversion" build_simple pkg-config 0.29.2 https://pkg-config.freedesktop.org/releases tar.gz \
--disable-debug --disable-host-tool --with-internal-glib \
--with-pc-path=$BUILD_PREFIX/share/pkgconfig:$BUILD_PREFIX/lib/pkgconfig \
--with-system-include-path=$(xcrun --show-sdk-path --sdk macosx)/usr/include
CFLAGS=$ORIGINAL_CFLAGS
export PKG_CONFIG=$BUILD_PREFIX/bin/pkg-config
touch pkg-config-stamp
}
function build_zlib_ng {
if [ -e zlib-stamp ]; then return; fi
fetch_unpack https://github.com/zlib-ng/zlib-ng/archive/$ZLIB_NG_VERSION.tar.gz zlib-ng-$ZLIB_NG_VERSION.tar.gz
(cd zlib-ng-$ZLIB_NG_VERSION \
&& ./configure --prefix=$BUILD_PREFIX --zlib-compat \
&& make -j4 \
&& make install)
build_github zlib-ng/zlib-ng $ZLIB_NG_VERSION --zlib-compat
if [ -n "$IS_MACOS" ]; then
# Ensure that on macOS, the library name is an absolute path, not an
# @rpath, so that delocate picks up the right library (and doesn't need
# DYLD_LIBRARY_PATH to be set). The default Makefile doesn't have an
# option to control the install_name.
install_name_tool -id $BUILD_PREFIX/lib/libz.1.dylib $BUILD_PREFIX/lib/libz.1.dylib
fi
touch zlib-stamp
}
@ -90,18 +93,75 @@ function build_harfbuzz {
local out_dir=$(fetch_unpack https://github.com/harfbuzz/harfbuzz/releases/download/$HARFBUZZ_VERSION/harfbuzz-$HARFBUZZ_VERSION.tar.xz harfbuzz-$HARFBUZZ_VERSION.tar.xz)
(cd $out_dir \
&& meson setup build --prefix=$BUILD_PREFIX --libdir=$BUILD_PREFIX/lib --buildtype=release -Dfreetype=enabled -Dglib=disabled)
&& meson setup build --prefix=$BUILD_PREFIX --libdir=$BUILD_PREFIX/lib --buildtype=minsize -Dfreetype=enabled -Dglib=disabled -Dtests=disabled)
(cd $out_dir/build \
&& meson install)
touch harfbuzz-stamp
}
function build_libavif {
if [ -e libavif-stamp ]; then return; fi
python3 -m pip install meson ninja
if [[ "$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
yum remove -y zlib-devel
fi
build_zlib_ng
if [[ -n "$IS_MACOS" ]] && [[ "$MACOSX_DEPLOYMENT_TARGET" == "10.10" || "$MACOSX_DEPLOYMENT_TARGET" == "10.13" ]]; then
build_new_zlib
else
build_zlib_ng
fi
build_simple xcb-proto 1.17.0 https://xorg.freedesktop.org/archive/individual/proto
if [ -n "$IS_MACOS" ]; then
@ -126,19 +186,18 @@ function build {
build_tiff
fi
build_libavif
build_libpng
build_lcms2
build_openjpeg
ORIGINAL_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -O3 -DNDEBUG"
webp_cflags="-O3 -DNDEBUG"
if [[ -n "$IS_MACOS" ]]; then
CFLAGS="$CFLAGS -Wl,-headerpad_max_install_names"
webp_cflags="$webp_cflags -Wl,-headerpad_max_install_names"
fi
build_simple libwebp $LIBWEBP_VERSION \
CFLAGS="$CFLAGS $webp_cflags" build_simple libwebp $LIBWEBP_VERSION \
https://storage.googleapis.com/downloads.webmproject.org/releases/webp tar.gz \
--enable-libwebpmux --enable-libwebpdemux
CFLAGS=$ORIGINAL_CFLAGS
build_brotli

16
.github/workflows/wheels-test.ps1 vendored
View File

@ -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 }

4
.github/workflows/wheels-test.sh vendored
View File

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

13
.github/workflows/wheels.yml vendored
View File

@ -58,12 +58,12 @@ 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
cibw_arch: x86_64
build: "pp310*"
build: "pp3*"
macosx_deployment_target: "10.15"
- name: "macOS arm64"
os: macos-latest
@ -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
@ -121,14 +120,17 @@ jobs:
windows:
if: github.event_name != 'schedule' || github.repository_owner == 'python-pillow'
name: Windows ${{ matrix.cibw_arch }}
runs-on: windows-latest
runs-on: ${{ matrix.os }}
strategy:
fail-fast: false
matrix:
include:
- cibw_arch: x86
os: windows-latest
- cibw_arch: AMD64
os: windows-latest
- cibw_arch: ARM64
os: windows-11-arm
steps:
- uses: actions/checkout@v4
with:
@ -185,7 +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
@ -240,7 +241,7 @@ jobs:
path: dist
merge-multiple: true
- name: Upload wheels to scientific-python-nightly-wheels
uses: scientific-python/upload-nightly-action@82396a2ed4269ba06c6b2988bb4fd568ef3c3d6b # 0.6.1
uses: scientific-python/upload-nightly-action@b36e8c0c10dbcfd2e05bf95f17ef8c14fd708dbf # 0.6.2
with:
artifacts_path: dist
anaconda_nightly_upload_token: ${{ secrets.ANACONDA_ORG_UPLOAD_TOKEN }}

7
.github/zizmor.yml vendored Normal file
View File

@ -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

17
.pre-commit-config.yaml
View File

@ -1,8 +1,8 @@
repos:
- repo: https://github.com/astral-sh/ruff-pre-commit
rev: v0.9.4
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: 1.8.2
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: v19.1.7
rev: v20.1.6
hooks:
- id: clang-format
types: [c]
@ -44,20 +44,21 @@ repos:
- id: check-json
- id: check-toml
- id: check-yaml
args: [--allow-multiple-documents]
- id: end-of-file-fixer
exclude: ^Tests/images/
- id: trailing-whitespace
exclude: ^.github/.*TEMPLATE|^Tests/(fonts|images)/
- repo: https://github.com/python-jsonschema/check-jsonschema
rev: 0.31.1
rev: 0.33.1
hooks:
- id: check-github-workflows
- id: check-readthedocs
- id: check-renovate
- repo: https://github.com/woodruffw/zizmor-pre-commit
rev: v1.3.0
rev: v1.9.0
hooks:
- id: zizmor
@ -67,12 +68,12 @@ repos:
- id: sphinx-lint
- repo: https://github.com/tox-dev/pyproject-fmt
rev: v2.5.0
rev: v2.6.0
hooks:
- id: pyproject-fmt
- repo: https://github.com/abravalheri/validate-pyproject
rev: v0.23
rev: v0.24.1
hooks:
- id: validate-pyproject
additional_dependencies: [trove-classifiers>=2024.10.12]

21
Makefile
View File

@ -23,6 +23,10 @@ doc html:
htmlview:
$(MAKE) -C docs htmlview
.PHONY: htmllive
htmllive:
$(MAKE) -C docs htmllive
.PHONY: doccheck
doccheck:
$(MAKE) doc
@ -43,6 +47,7 @@ help:
@echo " docserve run an HTTP server on the docs directory"
@echo " html make HTML docs"
@echo " htmlview open the index page built by the html target in your browser"
@echo " htmllive rebuild and reload HTML files in your browser"
@echo " install make and install"
@echo " install-coverage make and install with C coverage"
@echo " lint run the lint checks"
@ -92,13 +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

4
README.md
View File

@ -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).

35
RELEASING.md
View File

@ -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
* [ ] Develop and prepare release in `main` branch.
* [ ] 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 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
* [ ] Create a new issue and select the "Maintainers only: Release" template.
## 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

2
Tests/README.rst
View File

@ -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``.

2
Tests/check_j2k_overflow.py
View File

@ -9,6 +9,6 @@ from PIL import Image
def test_j2k_overflow(tmp_path: Path) -> None:
im = Image.new("RGBA", (1024, 131584))
target = str(tmp_path / "temp.jpc")
target = tmp_path / "temp.jpc"
with pytest.raises(OSError):
im.save(target)

2
Tests/check_large_memory.py
View File

@ -32,7 +32,7 @@ pytestmark = pytest.mark.skipif(sys.maxsize <= 2**32, reason="requires 64-bit sy
def _write_png(tmp_path: Path, xdim: int, ydim: int) -> None:
f = str(tmp_path / "temp.png")
f = tmp_path / "temp.png"
im = Image.new("L", (xdim, ydim), 0)
im.save(f)

2
Tests/check_large_memory_numpy.py
View File

@ -28,7 +28,7 @@ pytestmark = pytest.mark.skipif(sys.maxsize <= 2**32, reason="requires 64-bit sy
def _write_png(tmp_path: Path, xdim: int, ydim: int) -> None:
dtype = np.uint8
a = np.zeros((xdim, ydim), dtype=dtype)
f = str(tmp_path / "temp.png")
f = tmp_path / "temp.png"
im = Image.fromarray(a, "L")
im.save(f)

24
Tests/check_wheel.py
View File

@ -1,20 +1,28 @@
from __future__ import annotations
import platform
import sys
from PIL import features
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
try:
import tkinter
if sys.platform == "win32":
# tkinter is not available in cibuildwheel installed CPython on Windows
try:
import tkinter
assert tkinter
except ImportError:
expected_modules.remove("tkinter")
assert tkinter
except ImportError:
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
@ -40,5 +48,7 @@ def test_wheel_features() -> None:
if sys.platform == "win32":
expected_features.remove("xcb")
elif sys.platform == "darwin" and not is_pypy() and platform.processor() != "arm":
expected_features.remove("zlib_ng")
assert set(features.get_supported_features()) == expected_features

21
Tests/helper.py
View File

@ -9,11 +9,11 @@ import os
import shutil
import subprocess
import sys
import sysconfig
import tempfile
from collections.abc import Sequence
from functools import lru_cache
from io import BytesIO
from pathlib import Path
from typing import Any, Callable
import pytest
@ -96,7 +96,10 @@ def assert_image_equal(a: Image.Image, b: Image.Image, msg: str | None = None) -
def assert_image_equal_tofile(
a: Image.Image, filename: str, msg: str | None = None, mode: str | None = None
a: Image.Image,
filename: str | Path,
msg: str | None = None,
mode: str | None = None,
) -> None:
with Image.open(filename) as img:
if mode:
@ -137,7 +140,7 @@ def assert_image_similar(
def assert_image_similar_tofile(
a: Image.Image,
filename: str,
filename: str | Path,
epsilon: float,
msg: str | None = None,
) -> None:
@ -158,6 +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)
@ -263,7 +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:
@ -342,10 +351,6 @@ def is_pypy() -> bool:
return hasattr(sys, "pypy_translation_info")
def is_mingw() -> bool:
return sysconfig.get_platform() == "mingw"
class CachedProperty:
def __init__(self, func: Callable[[Any], Any]) -> None:
self.func = func

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@ -0,0 +1,260 @@
GIMP Palette
Name: fullpalette
Columns: 4
#
0 0 0 Index 0
1 1 1 Index 1
2 2 2 Index 2
3 3 3 Index 3
4 4 4 Index 4
5 5 5 Index 5
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390
Tests/images/hopper_bpp2.xpm Normal file
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@ -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",
"f c #0C0D35",
"g c #130E37",
"h c #0D1436",
"j c #131333",
"k c #13143C",
"l c #191838",
"z c #241926",
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"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"
};

11174
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20
Tests/oss-fuzz/python.supp
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@ -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
...
}

164
Tests/test_arrow.py Normal file
View File

@ -0,0 +1,164 @@
from __future__ import annotations
import pytest
from PIL import Image
from .helper import hopper
@pytest.mark.parametrize(
"mode, dest_modes",
(
("L", ["I", "F", "LA", "RGB", "RGBA", "RGBX", "CMYK", "YCbCr", "HSV"]),
("I", ["L", "F"]), # Technically I;32 can work for any 4x8bit storage.
("F", ["I", "L", "LA", "RGB", "RGBA", "RGBX", "CMYK", "YCbCr", "HSV"]),
("LA", ["L", "F"]),
("RGB", ["L", "F"]),
("RGBA", ["L", "F"]),
("RGBX", ["L", "F"]),
("CMYK", ["L", "F"]),
("YCbCr", ["L", "F"]),
("HSV", ["L", "F"]),
),
)
def test_invalid_array_type(mode: str, dest_modes: list[str]) -> None:
img = hopper(mode)
for dest_mode in dest_modes:
with pytest.raises(ValueError):
Image.fromarrow(img, dest_mode, img.size)
def test_invalid_array_size() -> None:
img = hopper("RGB")
assert img.size != (10, 10)
with pytest.raises(ValueError):
Image.fromarrow(img, "RGB", (10, 10))
def test_release_schema() -> None:
# these should not error out, valgrind should be clean
img = hopper("L")
schema = img.__arrow_c_schema__()
del schema
def test_release_array() -> None:
# these should not error out, valgrind should be clean
img = hopper("L")
array, schema = img.__arrow_c_array__()
del array
del schema
def test_readonly() -> None:
img = hopper("L")
reloaded = Image.fromarrow(img, img.mode, img.size)
assert reloaded.readonly == 1
reloaded._readonly = 0
assert reloaded.readonly == 1
def test_multiblock_l_image() -> None:
block_size = Image.core.get_block_size()
# check a 2 block image in single channel mode
size = (4096, 2 * block_size // 4096)
img = Image.new("L", size, 128)
with pytest.raises(ValueError):
(schema, arr) = img.__arrow_c_array__()
def test_multiblock_rgba_image() -> None:
block_size = Image.core.get_block_size()
# check a 2 block image in 4 channel mode
size = (4096, (block_size // 4096) // 2)
img = Image.new("RGBA", size, (128, 127, 126, 125))
with pytest.raises(ValueError):
(schema, arr) = img.__arrow_c_array__()
def test_multiblock_l_schema() -> None:
block_size = Image.core.get_block_size()
# check a 2 block image in single channel mode
size = (4096, 2 * block_size // 4096)
img = Image.new("L", size, 128)
with pytest.raises(ValueError):
img.__arrow_c_schema__()
def test_multiblock_rgba_schema() -> None:
block_size = Image.core.get_block_size()
# check a 2 block image in 4 channel mode
size = (4096, (block_size // 4096) // 2)
img = Image.new("RGBA", size, (128, 127, 126, 125))
with pytest.raises(ValueError):
img.__arrow_c_schema__()
def test_singleblock_l_image() -> None:
Image.core.set_use_block_allocator(1)
block_size = Image.core.get_block_size()
# check a 2 block image in 4 channel mode
size = (4096, 2 * (block_size // 4096))
img = Image.new("L", size, 128)
assert img.im.isblock()
(schema, arr) = img.__arrow_c_array__()
assert schema
assert arr
Image.core.set_use_block_allocator(0)
def test_singleblock_rgba_image() -> None:
Image.core.set_use_block_allocator(1)
block_size = Image.core.get_block_size()
# check a 2 block image in 4 channel mode
size = (4096, (block_size // 4096) // 2)
img = Image.new("RGBA", size, (128, 127, 126, 125))
assert img.im.isblock()
(schema, arr) = img.__arrow_c_array__()
assert schema
assert arr
Image.core.set_use_block_allocator(0)
def test_singleblock_l_schema() -> None:
Image.core.set_use_block_allocator(1)
block_size = Image.core.get_block_size()
# check a 2 block image in single channel mode
size = (4096, 2 * block_size // 4096)
img = Image.new("L", size, 128)
assert img.im.isblock()
schema = img.__arrow_c_schema__()
assert schema
Image.core.set_use_block_allocator(0)
def test_singleblock_rgba_schema() -> None:
Image.core.set_use_block_allocator(1)
block_size = Image.core.get_block_size()
# check a 2 block image in 4 channel mode
size = (4096, (block_size // 4096) // 2)
img = Image.new("RGBA", size, (128, 127, 126, 125))
assert img.im.isblock()
schema = img.__arrow_c_schema__()
assert schema
Image.core.set_use_block_allocator(0)

2
Tests/test_core_resources.py
View File

@ -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)

1
Tests/test_deprecate.py
View File

@ -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)

13
Tests/test_features.py
View File

@ -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:

106
Tests/test_file_apng.py
View File

@ -12,6 +12,7 @@ from PIL import Image, ImageSequence, PngImagePlugin
# (referenced from https://wiki.mozilla.org/APNG_Specification)
def test_apng_basic() -> None:
with Image.open("Tests/images/apng/single_frame.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert not im.is_animated
assert im.n_frames == 1
assert im.get_format_mimetype() == "image/apng"
@ -20,6 +21,7 @@ def test_apng_basic() -> None:
assert im.getpixel((64, 32)) == (0, 255, 0, 255)
with Image.open("Tests/images/apng/single_frame_default.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert im.is_animated
assert im.n_frames == 2
assert im.get_format_mimetype() == "image/apng"
@ -34,8 +36,11 @@ def test_apng_basic() -> None:
with pytest.raises(EOFError):
im.seek(2)
# test rewind support
im.seek(0)
with pytest.raises(ValueError, match="cannot seek to frame 2"):
im._seek(2)
# test rewind support
assert im.getpixel((0, 0)) == (255, 0, 0, 255)
assert im.getpixel((64, 32)) == (255, 0, 0, 255)
im.seek(1)
@ -49,6 +54,7 @@ def test_apng_basic() -> None:
)
def test_apng_fdat(filename: str) -> None:
with Image.open(filename) as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 255, 0, 255)
assert im.getpixel((64, 32)) == (0, 255, 0, 255)
@ -56,31 +62,37 @@ def test_apng_fdat(filename: str) -> None:
def test_apng_dispose() -> None:
with Image.open("Tests/images/apng/dispose_op_none.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 255, 0, 255)
assert im.getpixel((64, 32)) == (0, 255, 0, 255)
with Image.open("Tests/images/apng/dispose_op_background.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 0, 0, 0)
assert im.getpixel((64, 32)) == (0, 0, 0, 0)
with Image.open("Tests/images/apng/dispose_op_background_final.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 255, 0, 255)
assert im.getpixel((64, 32)) == (0, 255, 0, 255)
with Image.open("Tests/images/apng/dispose_op_previous.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 255, 0, 255)
assert im.getpixel((64, 32)) == (0, 255, 0, 255)
with Image.open("Tests/images/apng/dispose_op_previous_final.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 255, 0, 255)
assert im.getpixel((64, 32)) == (0, 255, 0, 255)
with Image.open("Tests/images/apng/dispose_op_previous_first.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 0, 0, 0)
assert im.getpixel((64, 32)) == (0, 0, 0, 0)
@ -88,21 +100,25 @@ def test_apng_dispose() -> None:
def test_apng_dispose_region() -> None:
with Image.open("Tests/images/apng/dispose_op_none_region.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 255, 0, 255)
assert im.getpixel((64, 32)) == (0, 255, 0, 255)
with Image.open("Tests/images/apng/dispose_op_background_before_region.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 0, 0, 0)
assert im.getpixel((64, 32)) == (0, 0, 0, 0)
with Image.open("Tests/images/apng/dispose_op_background_region.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 0, 255, 255)
assert im.getpixel((64, 32)) == (0, 0, 0, 0)
with Image.open("Tests/images/apng/dispose_op_previous_region.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 255, 0, 255)
assert im.getpixel((64, 32)) == (0, 255, 0, 255)
@ -129,6 +145,7 @@ def test_apng_dispose_op_previous_frame() -> None:
# ],
# )
with Image.open("Tests/images/apng/dispose_op_previous_frame.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (255, 0, 0, 255)
@ -142,26 +159,31 @@ def test_apng_dispose_op_background_p_mode() -> None:
def test_apng_blend() -> None:
with Image.open("Tests/images/apng/blend_op_source_solid.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 255, 0, 255)
assert im.getpixel((64, 32)) == (0, 255, 0, 255)
with Image.open("Tests/images/apng/blend_op_source_transparent.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 0, 0, 0)
assert im.getpixel((64, 32)) == (0, 0, 0, 0)
with Image.open("Tests/images/apng/blend_op_source_near_transparent.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 255, 0, 2)
assert im.getpixel((64, 32)) == (0, 255, 0, 2)
with Image.open("Tests/images/apng/blend_op_over.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 255, 0, 255)
assert im.getpixel((64, 32)) == (0, 255, 0, 255)
with Image.open("Tests/images/apng/blend_op_over_near_transparent.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 255, 0, 97)
assert im.getpixel((64, 32)) == (0, 255, 0, 255)
@ -175,6 +197,7 @@ def test_apng_blend_transparency() -> None:
def test_apng_chunk_order() -> None:
with Image.open("Tests/images/apng/fctl_actl.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 255, 0, 255)
assert im.getpixel((64, 32)) == (0, 255, 0, 255)
@ -230,24 +253,28 @@ def test_apng_num_plays() -> None:
def test_apng_mode() -> None:
with Image.open("Tests/images/apng/mode_16bit.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert im.mode == "RGBA"
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (0, 0, 128, 191)
assert im.getpixel((64, 32)) == (0, 0, 128, 191)
with Image.open("Tests/images/apng/mode_grayscale.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert im.mode == "L"
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == 128
assert im.getpixel((64, 32)) == 255
with Image.open("Tests/images/apng/mode_grayscale_alpha.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert im.mode == "LA"
im.seek(im.n_frames - 1)
assert im.getpixel((0, 0)) == (128, 191)
assert im.getpixel((64, 32)) == (128, 191)
with Image.open("Tests/images/apng/mode_palette.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert im.mode == "P"
im.seek(im.n_frames - 1)
im = im.convert("RGB")
@ -255,6 +282,7 @@ def test_apng_mode() -> None:
assert im.getpixel((64, 32)) == (0, 255, 0)
with Image.open("Tests/images/apng/mode_palette_alpha.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert im.mode == "P"
im.seek(im.n_frames - 1)
im = im.convert("RGBA")
@ -262,6 +290,7 @@ def test_apng_mode() -> None:
assert im.getpixel((64, 32)) == (0, 255, 0, 255)
with Image.open("Tests/images/apng/mode_palette_1bit_alpha.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert im.mode == "P"
im.seek(im.n_frames - 1)
im = im.convert("RGBA")
@ -271,54 +300,68 @@ def test_apng_mode() -> None:
def test_apng_chunk_errors() -> None:
with Image.open("Tests/images/apng/chunk_no_actl.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert not im.is_animated
with pytest.warns(UserWarning):
with Image.open("Tests/images/apng/chunk_multi_actl.png") as im:
im.load()
assert not im.is_animated
with pytest.warns(UserWarning, match="Invalid APNG"):
im = Image.open("Tests/images/apng/chunk_multi_actl.png")
assert isinstance(im, PngImagePlugin.PngImageFile)
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)
assert not im.is_animated
with Image.open("Tests/images/apng/chunk_no_fctl.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
with pytest.raises(SyntaxError):
im.seek(im.n_frames - 1)
with Image.open("Tests/images/apng/chunk_repeat_fctl.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
with pytest.raises(SyntaxError):
im.seek(im.n_frames - 1)
with Image.open("Tests/images/apng/chunk_no_fdat.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
with pytest.raises(SyntaxError):
im.seek(im.n_frames - 1)
def test_apng_syntax_errors() -> None:
with pytest.warns(UserWarning):
with Image.open("Tests/images/apng/syntax_num_frames_zero.png") as im:
assert not im.is_animated
with pytest.raises(OSError):
im.load()
with pytest.warns(UserWarning, match="Invalid APNG"):
im = Image.open("Tests/images/apng/syntax_num_frames_zero.png")
assert isinstance(im, PngImagePlugin.PngImageFile)
assert not im.is_animated
with pytest.raises(OSError):
im.load()
im.close()
with pytest.warns(UserWarning):
with Image.open("Tests/images/apng/syntax_num_frames_zero_default.png") as im:
assert not im.is_animated
im.load()
with pytest.warns(UserWarning, match="Invalid APNG"):
im = Image.open("Tests/images/apng/syntax_num_frames_zero_default.png")
assert isinstance(im, PngImagePlugin.PngImageFile)
assert not im.is_animated
im.load()
im.close()
# we can handle this case gracefully
with Image.open("Tests/images/apng/syntax_num_frames_low.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
with pytest.raises(OSError):
with Image.open("Tests/images/apng/syntax_num_frames_high.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
im.load()
with pytest.warns(UserWarning):
with Image.open("Tests/images/apng/syntax_num_frames_invalid.png") as im:
assert not im.is_animated
im.load()
with pytest.warns(UserWarning, match="Invalid APNG"):
im = Image.open("Tests/images/apng/syntax_num_frames_invalid.png")
assert isinstance(im, PngImagePlugin.PngImageFile)
assert not im.is_animated
im.load()
im.close()
@pytest.mark.parametrize(
@ -336,16 +379,18 @@ def test_apng_syntax_errors() -> None:
def test_apng_sequence_errors(test_file: str) -> None:
with pytest.raises(SyntaxError):
with Image.open(f"Tests/images/apng/{test_file}") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
im.load()
def test_apng_save(tmp_path: Path) -> None:
with Image.open("Tests/images/apng/single_frame.png") as im:
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
im.save(test_file, save_all=True)
with Image.open(test_file) as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.load()
assert not im.is_animated
assert im.n_frames == 1
@ -361,6 +406,7 @@ def test_apng_save(tmp_path: Path) -> None:
)
with Image.open(test_file) as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.load()
assert im.is_animated
assert im.n_frames == 2
@ -372,7 +418,7 @@ def test_apng_save(tmp_path: Path) -> None:
def test_apng_save_alpha(tmp_path: Path) -> None:
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
im = Image.new("RGBA", (1, 1), (255, 0, 0, 255))
im2 = Image.new("RGBA", (1, 1), (255, 0, 0, 127))
@ -390,7 +436,7 @@ def test_apng_save_split_fdat(tmp_path: Path) -> None:
# frames with image data spanning multiple fdAT chunks (in this case
# both the default image and first animation frame will span multiple
# data chunks)
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
with Image.open("Tests/images/old-style-jpeg-compression.png") as im:
frames = [im.copy(), Image.new("RGBA", im.size, (255, 0, 0, 255))]
im.save(
@ -400,12 +446,13 @@ def test_apng_save_split_fdat(tmp_path: Path) -> None:
append_images=frames,
)
with Image.open(test_file) as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
im.seek(im.n_frames - 1)
im.load()
def test_apng_save_duration_loop(tmp_path: Path) -> None:
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
with Image.open("Tests/images/apng/delay.png") as im:
frames = []
durations = []
@ -442,6 +489,7 @@ def test_apng_save_duration_loop(tmp_path: Path) -> None:
test_file, save_all=True, append_images=[frame, frame], duration=[500, 100, 150]
)
with Image.open(test_file) as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert im.n_frames == 1
assert "duration" not in im.info
@ -453,6 +501,7 @@ def test_apng_save_duration_loop(tmp_path: Path) -> None:
duration=[500, 100, 150],
)
with Image.open(test_file) as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert im.n_frames == 2
assert im.info["duration"] == 600
@ -463,12 +512,13 @@ def test_apng_save_duration_loop(tmp_path: Path) -> None:
frame.info["duration"] = 300
frame.save(test_file, save_all=True, append_images=[frame, different_frame])
with Image.open(test_file) as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert im.n_frames == 2
assert im.info["duration"] == 600
def test_apng_save_disposal(tmp_path: Path) -> None:
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
size = (128, 64)
red = Image.new("RGBA", size, (255, 0, 0, 255))
green = Image.new("RGBA", size, (0, 255, 0, 255))
@ -569,7 +619,7 @@ def test_apng_save_disposal(tmp_path: Path) -> None:
def test_apng_save_disposal_previous(tmp_path: Path) -> None:
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
size = (128, 64)
blue = Image.new("RGBA", size, (0, 0, 255, 255))
red = Image.new("RGBA", size, (255, 0, 0, 255))
@ -591,7 +641,7 @@ def test_apng_save_disposal_previous(tmp_path: Path) -> None:
def test_apng_save_blend(tmp_path: Path) -> None:
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
size = (128, 64)
red = Image.new("RGBA", size, (255, 0, 0, 255))
green = Image.new("RGBA", size, (0, 255, 0, 255))
@ -659,7 +709,7 @@ def test_apng_save_blend(tmp_path: Path) -> None:
def test_apng_save_size(tmp_path: Path) -> None:
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
im = Image.new("L", (100, 100))
im.save(test_file, save_all=True, append_images=[Image.new("L", (200, 200))])
@ -683,7 +733,7 @@ def test_seek_after_close() -> None:
def test_different_modes_in_later_frames(
mode: str, default_image: bool, duplicate: bool, tmp_path: Path
) -> None:
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
im = Image.new("L", (1, 1))
im.save(
@ -697,7 +747,7 @@ def test_different_modes_in_later_frames(
def test_different_durations(tmp_path: Path) -> None:
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
with Image.open("Tests/images/apng/different_durations.png") as im:
for _ in range(3):

781
Tests/test_file_avif.py Normal file
View File

@ -0,0 +1,781 @@
from __future__ import annotations
import gc
import os
import re
import warnings
from collections.abc import Generator, Sequence
from contextlib import contextmanager
from io import BytesIO
from pathlib import Path
from typing import Any
import pytest
from PIL import (
AvifImagePlugin,
Image,
ImageDraw,
ImageFile,
UnidentifiedImageError,
features,
)
from .helper import (
PillowLeakTestCase,
assert_image,
assert_image_similar,
assert_image_similar_tofile,
hopper,
skip_unless_feature,
)
try:
from PIL import _avif
HAVE_AVIF = True
except ImportError:
HAVE_AVIF = False
TEST_AVIF_FILE = "Tests/images/avif/hopper.avif"
def assert_xmp_orientation(xmp: bytes, expected: int) -> None:
assert int(xmp.split(b'tiff:Orientation="')[1].split(b'"')[0]) == expected
def roundtrip(im: ImageFile.ImageFile, **options: Any) -> ImageFile.ImageFile:
out = BytesIO()
im.save(out, "AVIF", **options)
return Image.open(out)
def skip_unless_avif_decoder(codec_name: str) -> pytest.MarkDecorator:
reason = f"{codec_name} decode not available"
return pytest.mark.skipif(
not HAVE_AVIF or not _avif.decoder_codec_available(codec_name), reason=reason
)
def skip_unless_avif_encoder(codec_name: str) -> pytest.MarkDecorator:
reason = f"{codec_name} encode not available"
return pytest.mark.skipif(
not HAVE_AVIF or not _avif.encoder_codec_available(codec_name), reason=reason
)
def is_docker_qemu() -> bool:
try:
init_proc_exe = os.readlink("/proc/1/exe")
except (FileNotFoundError, PermissionError):
return False
return "qemu" in init_proc_exe
class TestUnsupportedAvif:
def test_unsupported(self, monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setattr(AvifImagePlugin, "SUPPORTED", False)
with pytest.raises(UnidentifiedImageError):
with pytest.warns(UserWarning, match="AVIF support not installed"):
with Image.open(TEST_AVIF_FILE):
pass
def test_unsupported_open(self, monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setattr(AvifImagePlugin, "SUPPORTED", False)
with pytest.raises(SyntaxError):
AvifImagePlugin.AvifImageFile(TEST_AVIF_FILE)
@skip_unless_feature("avif")
class TestFileAvif:
def test_version(self) -> None:
version = features.version_module("avif")
assert version is not None
assert re.search(r"^\d+\.\d+\.\d+$", version)
def test_codec_version(self) -> None:
assert AvifImagePlugin.get_codec_version("unknown") is None
for codec_name in ("aom", "dav1d", "rav1e", "svt"):
codec_version = AvifImagePlugin.get_codec_version(codec_name)
if _avif.decoder_codec_available(
codec_name
) or _avif.encoder_codec_available(codec_name):
assert codec_version is not None
assert re.search(r"^v?\d+\.\d+\.\d+(-([a-z\d])+)*$", codec_version)
else:
assert codec_version is None
def test_read(self) -> None:
"""
Can we read an AVIF file without error?
Does it have the bits we expect?
"""
with Image.open(TEST_AVIF_FILE) as image:
assert image.mode == "RGB"
assert image.size == (128, 128)
assert image.format == "AVIF"
assert image.get_format_mimetype() == "image/avif"
image.getdata()
# generated with:
# avifdec hopper.avif hopper_avif_write.png
assert_image_similar_tofile(
image, "Tests/images/avif/hopper_avif_write.png", 11.5
)
def test_write_rgb(self, tmp_path: Path) -> None:
"""
Can we write a RGB mode file to avif without error?
Does it have the bits we expect?
"""
temp_file = tmp_path / "temp.avif"
im = hopper()
im.save(temp_file)
with Image.open(temp_file) as reloaded:
assert reloaded.mode == "RGB"
assert reloaded.size == (128, 128)
assert reloaded.format == "AVIF"
reloaded.getdata()
# avifdec hopper.avif avif/hopper_avif_write.png
assert_image_similar_tofile(
reloaded, "Tests/images/avif/hopper_avif_write.png", 6.02
)
# This test asserts that the images are similar. If the average pixel
# difference between the two images is less than the epsilon value,
# then we're going to accept that it's a reasonable lossy version of
# the image.
assert_image_similar(reloaded, im, 8.62)
def test_AvifEncoder_with_invalid_args(self) -> None:
"""
Calling encoder functions with no arguments should result in an error.
"""
with pytest.raises(TypeError):
_avif.AvifEncoder()
def test_AvifDecoder_with_invalid_args(self) -> None:
"""
Calling decoder functions with no arguments should result in an error.
"""
with pytest.raises(TypeError):
_avif.AvifDecoder()
def test_invalid_dimensions(self, tmp_path: Path) -> None:
test_file = tmp_path / "temp.avif"
im = Image.new("RGB", (0, 0))
with pytest.raises(ValueError):
im.save(test_file)
def test_encoder_finish_none_error(
self, monkeypatch: pytest.MonkeyPatch, tmp_path: Path
) -> None:
"""Save should raise an OSError if AvifEncoder.finish returns None"""
class _mock_avif:
class AvifEncoder:
def __init__(self, *args: Any) -> None:
pass
def add(self, *args: Any) -> None:
pass
def finish(self) -> None:
return None
monkeypatch.setattr(AvifImagePlugin, "_avif", _mock_avif)
im = Image.new("RGB", (150, 150))
test_file = tmp_path / "temp.avif"
with pytest.raises(OSError):
im.save(test_file)
def test_no_resource_warning(self, tmp_path: Path) -> None:
with Image.open(TEST_AVIF_FILE) as im:
with warnings.catch_warnings():
warnings.simplefilter("error")
im.save(tmp_path / "temp.avif")
@pytest.mark.parametrize("major_brand", [b"avif", b"avis", b"mif1", b"msf1"])
def test_accept_ftyp_brands(self, major_brand: bytes) -> None:
data = b"\x00\x00\x00\x1cftyp%s\x00\x00\x00\x00" % major_brand
assert AvifImagePlugin._accept(data) is True
def test_file_pointer_could_be_reused(self) -> None:
with open(TEST_AVIF_FILE, "rb") as blob:
with Image.open(blob) as im:
im.load()
with Image.open(blob) as im:
im.load()
def test_background_from_gif(self, tmp_path: Path) -> None:
with Image.open("Tests/images/chi.gif") as im:
original_value = im.convert("RGB").getpixel((1, 1))
# Save as AVIF
out_avif = tmp_path / "temp.avif"
im.save(out_avif, save_all=True)
# Save as GIF
out_gif = tmp_path / "temp.gif"
with Image.open(out_avif) as im:
im.save(out_gif)
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 <= 6
def test_save_single_frame(self, tmp_path: Path) -> None:
temp_file = tmp_path / "temp.avif"
with Image.open("Tests/images/chi.gif") as im:
im.save(temp_file)
with Image.open(temp_file) as im:
assert im.n_frames == 1
def test_invalid_file(self) -> None:
invalid_file = "Tests/images/flower.jpg"
with pytest.raises(SyntaxError):
AvifImagePlugin.AvifImageFile(invalid_file)
def test_load_transparent_rgb(self) -> None:
test_file = "Tests/images/avif/transparency.avif"
with Image.open(test_file) as im:
assert_image(im, "RGBA", (64, 64))
# image has 876 transparent pixels
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))
assert im.getcolors() == [(100, (0, 0, 0, 0))]
test_file = tmp_path / "temp.avif"
im.save(test_file)
# check if saved image contains the same transparency
with Image.open(test_file) as im:
assert_image(im, "RGBA", (10, 10))
assert im.getcolors() == [(100, (0, 0, 0, 0))]
def test_save_icc_profile(self) -> None:
with Image.open("Tests/images/avif/icc_profile_none.avif") as im:
assert "icc_profile" not in im.info
with Image.open("Tests/images/avif/icc_profile.avif") as with_icc:
expected_icc = with_icc.info["icc_profile"]
assert expected_icc is not None
im = roundtrip(im, icc_profile=expected_icc)
assert im.info["icc_profile"] == expected_icc
def test_discard_icc_profile(self) -> None:
with Image.open("Tests/images/avif/icc_profile.avif") as im:
im = roundtrip(im, icc_profile=None)
assert "icc_profile" not in im.info
def test_roundtrip_icc_profile(self) -> None:
with Image.open("Tests/images/avif/icc_profile.avif") as im:
expected_icc = im.info["icc_profile"]
im = roundtrip(im)
assert im.info["icc_profile"] == expected_icc
def test_roundtrip_no_icc_profile(self) -> None:
with Image.open("Tests/images/avif/icc_profile_none.avif") as im:
assert "icc_profile" not in im.info
im = roundtrip(im)
assert "icc_profile" not in im.info
def test_exif(self) -> None:
# With an EXIF chunk
with Image.open("Tests/images/avif/exif.avif") as im:
exif = im.getexif()
assert exif[274] == 1
with Image.open("Tests/images/avif/xmp_tags_orientation.avif") as im:
exif = im.getexif()
assert exif[274] == 3
@pytest.mark.parametrize("use_bytes", [True, False])
@pytest.mark.parametrize("orientation", [1, 2, 3, 4, 5, 6, 7, 8])
def test_exif_save(
self,
tmp_path: Path,
use_bytes: bool,
orientation: int,
) -> None:
exif = Image.Exif()
exif[274] = orientation
exif_data = exif.tobytes()
with Image.open(TEST_AVIF_FILE) as im:
test_file = tmp_path / "temp.avif"
im.save(test_file, exif=exif_data if use_bytes else exif)
with Image.open(test_file) as reloaded:
if orientation == 1:
assert "exif" not in reloaded.info
else:
assert reloaded.getexif()[274] == orientation
assert reloaded.info["exif"] == exif_data
def test_exif_without_orientation(self, tmp_path: Path) -> None:
exif = Image.Exif()
exif[272] = b"test"
exif_data = exif.tobytes()
with Image.open(TEST_AVIF_FILE) as im:
test_file = tmp_path / "temp.avif"
im.save(test_file, exif=exif)
with Image.open(test_file) as reloaded:
assert reloaded.info["exif"] == exif_data
def test_exif_invalid(self, tmp_path: Path) -> None:
with Image.open(TEST_AVIF_FILE) as im:
test_file = tmp_path / "temp.avif"
with pytest.raises(SyntaxError):
im.save(test_file, exif=b"invalid")
@pytest.mark.parametrize(
"rot, mir, exif_orientation",
[
(0, 0, 4),
(0, 1, 2),
(1, 0, 5),
(1, 1, 7),
(2, 0, 2),
(2, 1, 4),
(3, 0, 7),
(3, 1, 5),
],
)
def test_rot_mir_exif(
self, rot: int, mir: int, exif_orientation: int, tmp_path: Path
) -> None:
with Image.open(f"Tests/images/avif/rot{rot}mir{mir}.avif") as im:
exif = im.getexif()
assert exif[274] == exif_orientation
test_file = tmp_path / "temp.avif"
im.save(test_file, exif=exif)
with Image.open(test_file) as reloaded:
assert reloaded.getexif()[274] == exif_orientation
def test_xmp(self) -> None:
with Image.open("Tests/images/avif/xmp_tags_orientation.avif") as im:
xmp = im.info["xmp"]
assert_xmp_orientation(xmp, 3)
def test_xmp_save(self, tmp_path: Path) -> None:
xmp_arg = "\n".join(
[
'<?xpacket begin="" id="W5M0MpCehiHzreSzNTczkc9d"?>',
'<x:xmpmeta xmlns:x="adobe:ns:meta/">',
' <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">',
' <rdf:Description rdf:about=""',
' xmlns:tiff="http://ns.adobe.com/tiff/1.0/"',
' tiff:Orientation="1"/>',
" </rdf:RDF>",
"</x:xmpmeta>",
'<?xpacket end="r"?>',
]
)
with Image.open(TEST_AVIF_FILE) as im:
test_file = tmp_path / "temp.avif"
im.save(test_file, xmp=xmp_arg)
with Image.open(test_file) as reloaded:
xmp = reloaded.info["xmp"]
assert_xmp_orientation(xmp, 1)
def test_tell(self) -> None:
with Image.open(TEST_AVIF_FILE) as im:
assert im.tell() == 0
def test_seek(self) -> None:
with Image.open(TEST_AVIF_FILE) as im:
im.seek(0)
with pytest.raises(EOFError):
im.seek(1)
@pytest.mark.parametrize("subsampling", ["4:4:4", "4:2:2", "4:2:0", "4:0:0"])
def test_encoder_subsampling(self, tmp_path: Path, subsampling: str) -> None:
with Image.open(TEST_AVIF_FILE) as im:
test_file = tmp_path / "temp.avif"
im.save(test_file, subsampling=subsampling)
def test_encoder_subsampling_invalid(self, tmp_path: Path) -> None:
with Image.open(TEST_AVIF_FILE) as im:
test_file = tmp_path / "temp.avif"
with pytest.raises(ValueError):
im.save(test_file, subsampling="foo")
@pytest.mark.parametrize("value", ["full", "limited"])
def test_encoder_range(self, tmp_path: Path, value: str) -> None:
with Image.open(TEST_AVIF_FILE) as im:
test_file = tmp_path / "temp.avif"
im.save(test_file, range=value)
def test_encoder_range_invalid(self, tmp_path: Path) -> None:
with Image.open(TEST_AVIF_FILE) as im:
test_file = tmp_path / "temp.avif"
with pytest.raises(ValueError):
im.save(test_file, range="foo")
@skip_unless_avif_encoder("aom")
def test_encoder_codec_param(self, tmp_path: Path) -> None:
with Image.open(TEST_AVIF_FILE) as im:
test_file = tmp_path / "temp.avif"
im.save(test_file, codec="aom")
def test_encoder_codec_invalid(self, tmp_path: Path) -> None:
with Image.open(TEST_AVIF_FILE) as im:
test_file = tmp_path / "temp.avif"
with pytest.raises(ValueError):
im.save(test_file, codec="foo")
@skip_unless_avif_decoder("dav1d")
def test_decoder_codec_cannot_encode(self, tmp_path: Path) -> None:
with Image.open(TEST_AVIF_FILE) as im:
test_file = tmp_path / "temp.avif"
with pytest.raises(ValueError):
im.save(test_file, codec="dav1d")
@skip_unless_avif_encoder("aom")
@pytest.mark.parametrize(
"advanced",
[
{
"aq-mode": "1",
"enable-chroma-deltaq": "1",
},
(("aq-mode", "1"), ("enable-chroma-deltaq", "1")),
[("aq-mode", "1"), ("enable-chroma-deltaq", "1")],
],
)
def test_encoder_advanced_codec_options(
self, advanced: dict[str, str] | Sequence[tuple[str, str]]
) -> None:
with Image.open(TEST_AVIF_FILE) as im:
ctrl_buf = BytesIO()
im.save(ctrl_buf, "AVIF", codec="aom")
test_buf = BytesIO()
im.save(
test_buf,
"AVIF",
codec="aom",
advanced=advanced,
)
assert ctrl_buf.getvalue() != test_buf.getvalue()
@skip_unless_avif_encoder("aom")
@pytest.mark.parametrize("advanced", [{"foo": "bar"}, {"foo": 1234}, 1234])
def test_encoder_advanced_codec_options_invalid(
self, tmp_path: Path, advanced: dict[str, str] | int
) -> None:
with Image.open(TEST_AVIF_FILE) as im:
test_file = tmp_path / "temp.avif"
with pytest.raises(ValueError):
im.save(test_file, codec="aom", advanced=advanced)
@skip_unless_avif_decoder("aom")
def test_decoder_codec_param(self, monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setattr(AvifImagePlugin, "DECODE_CODEC_CHOICE", "aom")
with Image.open(TEST_AVIF_FILE) as im:
assert im.size == (128, 128)
@skip_unless_avif_encoder("rav1e")
def test_encoder_codec_cannot_decode(
self, monkeypatch: pytest.MonkeyPatch, tmp_path: Path
) -> None:
monkeypatch.setattr(AvifImagePlugin, "DECODE_CODEC_CHOICE", "rav1e")
with pytest.raises(ValueError):
with Image.open(TEST_AVIF_FILE):
pass
def test_decoder_codec_invalid(self, monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setattr(AvifImagePlugin, "DECODE_CODEC_CHOICE", "foo")
with pytest.raises(ValueError):
with Image.open(TEST_AVIF_FILE):
pass
@skip_unless_avif_encoder("aom")
def test_encoder_codec_available(self) -> None:
assert _avif.encoder_codec_available("aom") is True
def test_encoder_codec_available_bad_params(self) -> None:
with pytest.raises(TypeError):
_avif.encoder_codec_available()
@skip_unless_avif_decoder("dav1d")
def test_encoder_codec_available_cannot_decode(self) -> None:
assert _avif.encoder_codec_available("dav1d") is False
def test_encoder_codec_available_invalid(self) -> None:
assert _avif.encoder_codec_available("foo") is False
def test_encoder_quality_valueerror(self, tmp_path: Path) -> None:
with Image.open(TEST_AVIF_FILE) as im:
test_file = tmp_path / "temp.avif"
with pytest.raises(ValueError):
im.save(test_file, quality="invalid")
@skip_unless_avif_decoder("aom")
def test_decoder_codec_available(self) -> None:
assert _avif.decoder_codec_available("aom") is True
def test_decoder_codec_available_bad_params(self) -> None:
with pytest.raises(TypeError):
_avif.decoder_codec_available()
@skip_unless_avif_encoder("rav1e")
def test_decoder_codec_available_cannot_decode(self) -> None:
assert _avif.decoder_codec_available("rav1e") is False
def test_decoder_codec_available_invalid(self) -> None:
assert _avif.decoder_codec_available("foo") is False
def test_p_mode_transparency(self, tmp_path: Path) -> None:
im = Image.new("P", size=(64, 64))
draw = ImageDraw.Draw(im)
draw.rectangle(xy=[(0, 0), (32, 32)], fill=255)
draw.rectangle(xy=[(32, 32), (64, 64)], fill=255)
out_png = tmp_path / "temp.png"
im.save(out_png, transparency=0)
with Image.open(out_png) as im_png:
out_avif = tmp_path / "temp.avif"
im_png.save(out_avif, quality=100)
with Image.open(out_avif) as expected:
assert_image_similar(im_png.convert("RGBA"), expected, 0.17)
def test_decoder_strict_flags(self) -> None:
# This would fail if full avif strictFlags were enabled
with Image.open("Tests/images/avif/hopper-missing-pixi.avif") as im:
assert im.size == (128, 128)
@skip_unless_avif_encoder("aom")
@pytest.mark.parametrize("speed", [-1, 1, 11])
def test_aom_optimizations(self, tmp_path: Path, speed: int) -> None:
test_file = tmp_path / "temp.avif"
hopper().save(test_file, codec="aom", speed=speed)
@skip_unless_avif_encoder("svt")
def test_svt_optimizations(self, tmp_path: Path) -> None:
test_file = tmp_path / "temp.avif"
hopper().save(test_file, codec="svt", speed=1)
@skip_unless_feature("avif")
class TestAvifAnimation:
@contextmanager
def star_frames(self) -> Generator[list[Image.Image], None, None]:
with Image.open("Tests/images/avif/star.png") as f:
yield [f, f.rotate(90), f.rotate(180), f.rotate(270)]
def test_n_frames(self) -> None:
"""
Ensure that AVIF format sets n_frames and is_animated attributes
correctly.
"""
with Image.open(TEST_AVIF_FILE) as im:
assert im.n_frames == 1
assert not im.is_animated
with Image.open("Tests/images/avif/star.avifs") as im:
assert im.n_frames == 5
assert im.is_animated
def test_write_animation_P(self, tmp_path: Path) -> None:
"""
Convert an animated GIF to animated AVIF, then compare the frame
count, and ensure the frames are visually similar to the originals.
"""
with Image.open("Tests/images/avif/star.gif") as original:
assert original.n_frames > 1
temp_file = tmp_path / "temp.avif"
original.save(temp_file, save_all=True)
with Image.open(temp_file) as im:
assert im.n_frames == original.n_frames
# Compare first frame in P mode to frame from original GIF
assert_image_similar(im, original.convert("RGBA"), 2)
# Compare later frames in RGBA mode to frames from original GIF
for frame in range(1, original.n_frames):
original.seek(frame)
im.seek(frame)
assert_image_similar(im, original, 2.54)
def test_write_animation_RGBA(self, tmp_path: Path) -> None:
"""
Write an animated AVIF from RGBA frames, and ensure the frames
are visually similar to the originals.
"""
def check(temp_file: Path) -> None:
with Image.open(temp_file) as im:
assert im.n_frames == 4
# Compare first frame to original
assert_image_similar(im, frame1, 2.7)
# Compare second frame to original
im.seek(1)
assert_image_similar(im, frame2, 4.1)
with self.star_frames() as frames:
frame1 = frames[0]
frame2 = frames[1]
temp_file1 = tmp_path / "temp.avif"
frames[0].copy().save(temp_file1, save_all=True, append_images=frames[1:])
check(temp_file1)
# Test appending using a generator
def imGenerator(
ims: list[Image.Image],
) -> Generator[Image.Image, None, None]:
yield from ims
temp_file2 = tmp_path / "temp_generator.avif"
frames[0].copy().save(
temp_file2,
save_all=True,
append_images=imGenerator(frames[1:]),
)
check(temp_file2)
def test_sequence_dimension_mismatch_check(self, tmp_path: Path) -> None:
temp_file = tmp_path / "temp.avif"
frame1 = Image.new("RGB", (100, 100))
frame2 = Image.new("RGB", (150, 150))
with pytest.raises(ValueError):
frame1.save(temp_file, save_all=True, append_images=[frame2])
def test_heif_raises_unidentified_image_error(self) -> None:
with pytest.raises(UnidentifiedImageError):
with Image.open("Tests/images/avif/hopper.heif"):
pass
@pytest.mark.parametrize("alpha_premultiplied", [False, True])
def test_alpha_premultiplied(
self, tmp_path: Path, alpha_premultiplied: bool
) -> None:
temp_file = tmp_path / "temp.avif"
color = (200, 200, 200, 1)
im = Image.new("RGBA", (1, 1), color)
im.save(temp_file, alpha_premultiplied=alpha_premultiplied)
expected = (255, 255, 255, 1) if alpha_premultiplied else color
with Image.open(temp_file) as reloaded:
assert reloaded.getpixel((0, 0)) == expected
def test_timestamp_and_duration(self, tmp_path: Path) -> None:
"""
Try passing a list of durations, and make sure the encoded
timestamps and durations are correct.
"""
durations = [1, 10, 20, 30, 40]
temp_file = tmp_path / "temp.avif"
with self.star_frames() as frames:
frames[0].save(
temp_file,
save_all=True,
append_images=(frames[1:] + [frames[0]]),
duration=durations,
)
with Image.open(temp_file) as im:
assert im.n_frames == 5
assert im.is_animated
# Check that timestamps and durations match original values specified
timestamp = 0
for frame in range(im.n_frames):
im.seek(frame)
im.load()
assert im.info["duration"] == durations[frame]
assert im.info["timestamp"] == timestamp
timestamp += durations[frame]
def test_seeking(self, tmp_path: Path) -> None:
"""
Create an animated AVIF file, and then try seeking through frames in
reverse-order, verifying the timestamps and durations are correct.
"""
duration = 33
temp_file = tmp_path / "temp.avif"
with self.star_frames() as frames:
frames[0].save(
temp_file,
save_all=True,
append_images=(frames[1:] + [frames[0]]),
duration=duration,
)
with Image.open(temp_file) as im:
assert im.n_frames == 5
assert im.is_animated
# Traverse frames in reverse, checking timestamps and durations
timestamp = duration * (im.n_frames - 1)
for frame in reversed(range(im.n_frames)):
im.seek(frame)
im.load()
assert im.info["duration"] == duration
assert im.info["timestamp"] == timestamp
timestamp -= duration
def test_seek_errors(self) -> None:
with Image.open("Tests/images/avif/star.avifs") as im:
with pytest.raises(EOFError):
im.seek(-1)
with pytest.raises(EOFError):
im.seek(42)
MAX_THREADS = os.cpu_count() or 1
@skip_unless_feature("avif")
class TestAvifLeaks(PillowLeakTestCase):
mem_limit = MAX_THREADS * 3 * 1024
iterations = 100
@pytest.mark.skipif(
is_docker_qemu(), reason="Skipping on cross-architecture containers"
)
def test_leak_load(self) -> None:
with open(TEST_AVIF_FILE, "rb") as f:
im_data = f.read()
def core() -> None:
with Image.open(BytesIO(im_data)) as im:
im.load()
gc.collect()
self._test_leak(core)

15
Tests/test_file_blp.py
View File

@ -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,
)
@ -46,24 +45,22 @@ def test_invalid_file() -> None:
def test_save(tmp_path: Path) -> None:
f = str(tmp_path / "temp.blp")
f = tmp_path / "temp.blp"
for version in ("BLP1", "BLP2"):
im = hopper("P")
im.save(f, blp_version=version)
with Image.open(f) as reloaded:
assert_image_equal(im.convert("RGB"), reloaded)
assert_image_equal_tofile(im.convert("RGB"), f)
with Image.open("Tests/images/transparent.png") as im:
f = str(tmp_path / "temp.blp")
f = tmp_path / "temp.blp"
im.convert("P").save(f, blp_version=version)
with Image.open(f) as reloaded:
assert_image_similar(im, reloaded, 8)
assert_image_similar_tofile(im, f, 8)
im = hopper()
with pytest.raises(ValueError):
with pytest.raises(ValueError, match="Unsupported BLP image mode"):
im.save(f)

60
Tests/test_file_bmp.py
View File

@ -15,25 +15,19 @@ from .helper import (
)
def test_sanity(tmp_path: Path) -> None:
def roundtrip(im: Image.Image) -> None:
outfile = str(tmp_path / "temp.bmp")
@pytest.mark.parametrize("mode", ("1", "L", "P", "RGB"))
def test_sanity(mode: str, tmp_path: Path) -> None:
outfile = tmp_path / "temp.bmp"
im.save(outfile, "BMP")
im = hopper(mode)
im.save(outfile, "BMP")
with Image.open(outfile) as reloaded:
reloaded.load()
assert im.mode == reloaded.mode
assert im.size == reloaded.size
assert reloaded.format == "BMP"
assert reloaded.get_format_mimetype() == "image/bmp"
roundtrip(hopper())
roundtrip(hopper("1"))
roundtrip(hopper("L"))
roundtrip(hopper("P"))
roundtrip(hopper("RGB"))
with Image.open(outfile) as reloaded:
reloaded.load()
assert im.mode == reloaded.mode
assert im.size == reloaded.size
assert reloaded.format == "BMP"
assert reloaded.get_format_mimetype() == "image/bmp"
def test_invalid_file() -> None:
@ -66,7 +60,7 @@ def test_small_palette(tmp_path: Path) -> None:
colors = [0, 0, 0, 125, 125, 125, 255, 255, 255]
im.putpalette(colors)
out = str(tmp_path / "temp.bmp")
out = tmp_path / "temp.bmp"
im.save(out)
with Image.open(out) as reloaded:
@ -74,7 +68,7 @@ def test_small_palette(tmp_path: Path) -> None:
def test_save_too_large(tmp_path: Path) -> None:
outfile = str(tmp_path / "temp.bmp")
outfile = tmp_path / "temp.bmp"
with Image.new("RGB", (1, 1)) as im:
im._size = (37838, 37838)
with pytest.raises(ValueError):
@ -96,7 +90,7 @@ def test_dpi() -> None:
def test_save_bmp_with_dpi(tmp_path: Path) -> None:
# Test for #1301
# Arrange
outfile = str(tmp_path / "temp.jpg")
outfile = tmp_path / "temp.jpg"
with Image.open("Tests/images/hopper.bmp") as im:
assert im.info["dpi"] == (95.98654816726399, 95.98654816726399)
@ -112,7 +106,7 @@ def test_save_bmp_with_dpi(tmp_path: Path) -> None:
def test_save_float_dpi(tmp_path: Path) -> None:
outfile = str(tmp_path / "temp.bmp")
outfile = tmp_path / "temp.bmp"
with Image.open("Tests/images/hopper.bmp") as im:
im.save(outfile, dpi=(72.21216100543306, 72.21216100543306))
with Image.open(outfile) as reloaded:
@ -152,7 +146,7 @@ def test_dib_header_size(header_size: int, path: str) -> None:
def test_save_dib(tmp_path: Path) -> None:
outfile = str(tmp_path / "temp.dib")
outfile = tmp_path / "temp.dib"
with Image.open("Tests/images/clipboard.dib") as im:
im.save(outfile)
@ -196,9 +190,9 @@ def test_rle8() -> None:
# Signal end of bitmap before the image is finished
with open("Tests/images/bmp/g/pal8rle.bmp", "rb") as fp:
data = fp.read(1063) + b"\x01"
with Image.open(io.BytesIO(data)) as im:
with pytest.raises(ValueError):
im.load()
with Image.open(io.BytesIO(data)) as im:
with pytest.raises(ValueError):
im.load()
def test_rle4() -> None:
@ -220,9 +214,9 @@ def test_rle4() -> None:
def test_rle8_eof(file_name: str, length: int) -> None:
with open(file_name, "rb") as fp:
data = fp.read(length)
with Image.open(io.BytesIO(data)) as im:
with pytest.raises(ValueError):
im.load()
with Image.open(io.BytesIO(data)) as im:
with pytest.raises(ValueError):
im.load()
def test_offset() -> None:
@ -230,3 +224,13 @@ def test_offset() -> None:
# to exclude the palette size from the pixel data offset
with Image.open("Tests/images/pal8_offset.bmp") as im:
assert_image_equal_tofile(im, "Tests/images/bmp/g/pal8.bmp")
def test_use_raw_alpha(monkeypatch: pytest.MonkeyPatch) -> None:
with Image.open("Tests/images/bmp/g/rgb32.bmp") as im:
assert im.info["compression"] == BmpImagePlugin.BmpImageFile.COMPRESSIONS["RAW"]
assert im.mode == "RGB"
monkeypatch.setattr(BmpImagePlugin, "USE_RAW_ALPHA", True)
with Image.open("Tests/images/bmp/g/rgb32.bmp") as im:
assert im.mode == "RGBA"

4
Tests/test_file_bufrstub.py
View File

@ -43,7 +43,7 @@ def test_load() -> None:
def test_save(tmp_path: Path) -> None:
# Arrange
im = hopper()
tmpfile = str(tmp_path / "temp.bufr")
tmpfile = tmp_path / "temp.bufr"
# Act / Assert: stub cannot save without an implemented handler
with pytest.raises(OSError):
@ -79,7 +79,7 @@ def test_handler(tmp_path: Path) -> None:
im.load()
assert handler.is_loaded()
temp_file = str(tmp_path / "temp.bufr")
temp_file = tmp_path / "temp.bufr"
im.save(temp_file)
assert handler.saved

6
Tests/test_file_dcx.py
View File

@ -26,12 +26,12 @@ def test_sanity() -> None:
@pytest.mark.skipif(is_pypy(), reason="Requires CPython")
def test_unclosed_file() -> None:
def open() -> None:
def open_test_image() -> None:
im = Image.open(TEST_FILE)
im.load()
with pytest.warns(ResourceWarning):
open()
open_test_image()
def test_closed_file() -> None:
@ -69,12 +69,14 @@ def test_tell() -> None:
def test_n_frames() -> None:
with Image.open(TEST_FILE) as im:
assert isinstance(im, DcxImagePlugin.DcxImageFile)
assert im.n_frames == 1
assert not im.is_animated
def test_eoferror() -> None:
with Image.open(TEST_FILE) as im:
assert isinstance(im, DcxImagePlugin.DcxImageFile)
n_frames = im.n_frames
# Test seeking past the last frame

151
Tests/test_file_dds.py
View File

@ -9,7 +9,13 @@ import pytest
from PIL import DdsImagePlugin, Image
from .helper import assert_image_equal, assert_image_equal_tofile, hopper
from .helper import (
assert_image_equal,
assert_image_equal_tofile,
assert_image_similar,
assert_image_similar_tofile,
hopper,
)
TEST_FILE_DXT1 = "Tests/images/dxt1-rgb-4bbp-noalpha_MipMaps-1.dds"
TEST_FILE_DXT3 = "Tests/images/dxt3-argb-8bbp-explicitalpha_MipMaps-1.dds"
@ -109,6 +115,32 @@ def test_sanity_ati1_bc4u(image_path: str) -> None:
assert_image_equal_tofile(im, TEST_FILE_ATI1.replace(".dds", ".png"))
def test_dx10_bc2(tmp_path: Path) -> None:
out = tmp_path / "temp.dds"
with Image.open(TEST_FILE_DXT3) as im:
im.save(out, pixel_format="BC2")
with Image.open(out) as reloaded:
assert reloaded.format == "DDS"
assert reloaded.mode == "RGBA"
assert reloaded.size == (256, 256)
assert_image_similar(im, reloaded, 3.81)
def test_dx10_bc3(tmp_path: Path) -> None:
out = tmp_path / "temp.dds"
with Image.open(TEST_FILE_DXT5) as im:
im.save(out, pixel_format="BC3")
with Image.open(out) as reloaded:
assert reloaded.format == "DDS"
assert reloaded.mode == "RGBA"
assert reloaded.size == (256, 256)
assert_image_similar(im, reloaded, 3.69)
@pytest.mark.parametrize(
"image_path",
(
@ -331,11 +363,13 @@ def test_dxt5_colorblock_alpha_issue_4142() -> None:
with Image.open("Tests/images/dxt5-colorblock-alpha-issue-4142.dds") as im:
px = im.getpixel((0, 0))
assert isinstance(px, tuple)
assert px[0] != 0
assert px[1] != 0
assert px[2] != 0
px = im.getpixel((1, 0))
assert isinstance(px, tuple)
assert px[0] != 0
assert px[1] != 0
assert px[2] != 0
@ -366,9 +400,9 @@ def test_not_implemented(test_file: str) -> None:
def test_save_unsupported_mode(tmp_path: Path) -> None:
out = str(tmp_path / "temp.dds")
out = tmp_path / "temp.dds"
im = hopper("HSV")
with pytest.raises(OSError):
with pytest.raises(OSError, match="cannot write mode HSV as DDS"):
im.save(out)
@ -382,10 +416,115 @@ def test_save_unsupported_mode(tmp_path: Path) -> None:
],
)
def test_save(mode: str, test_file: str, tmp_path: Path) -> None:
out = str(tmp_path / "temp.dds")
out = tmp_path / "temp.dds"
with Image.open(test_file) as im:
assert im.mode == mode
im.save(out)
with Image.open(out) as reloaded:
assert_image_equal(im, reloaded)
assert_image_equal_tofile(im, out)
def test_save_unsupported_pixel_format(tmp_path: Path) -> None:
out = tmp_path / "temp.dds"
im = hopper()
with pytest.raises(OSError, match="cannot write pixel format UNKNOWN"):
im.save(out, pixel_format="UNKNOWN")
def test_save_dxt1(tmp_path: Path) -> None:
# RGB
out = tmp_path / "temp.dds"
with Image.open(TEST_FILE_DXT1) as im:
im.convert("RGB").save(out, pixel_format="DXT1")
assert_image_similar_tofile(im, out, 1.84)
# RGBA
im_alpha = im.copy()
im_alpha.putpixel((0, 0), (0, 0, 0, 0))
im_alpha.save(out, pixel_format="DXT1")
with Image.open(out) as reloaded:
assert reloaded.getpixel((0, 0)) == (0, 0, 0, 0)
# L
im_l = im.convert("L")
im_l.save(out, pixel_format="DXT1")
assert_image_similar_tofile(im_l.convert("RGBA"), out, 6.07)
# LA
im_alpha.convert("LA").save(out, pixel_format="DXT1")
with Image.open(out) as reloaded:
assert reloaded.getpixel((0, 0)) == (0, 0, 0, 0)
def test_save_dxt3(tmp_path: Path) -> None:
# RGB
out = tmp_path / "temp.dds"
with Image.open(TEST_FILE_DXT3) as im:
im_rgb = im.convert("RGB")
im_rgb.save(out, pixel_format="DXT3")
assert_image_similar_tofile(im_rgb.convert("RGBA"), out, 1.26)
# RGBA
im.save(out, pixel_format="DXT3")
assert_image_similar_tofile(im, out, 3.81)
# L
im_l = im.convert("L")
im_l.save(out, pixel_format="DXT3")
assert_image_similar_tofile(im_l.convert("RGBA"), out, 5.89)
# LA
im_la = im.convert("LA")
im_la.save(out, pixel_format="DXT3")
assert_image_similar_tofile(im_la.convert("RGBA"), out, 8.44)
def test_save_dxt5(tmp_path: Path) -> None:
# RGB
out = tmp_path / "temp.dds"
with Image.open(TEST_FILE_DXT1) as im:
im.convert("RGB").save(out, pixel_format="DXT5")
assert_image_similar_tofile(im, out, 1.84)
# RGBA
with Image.open(TEST_FILE_DXT5) as im_rgba:
im_rgba.save(out, pixel_format="DXT5")
assert_image_similar_tofile(im_rgba, out, 3.69)
# L
im_l = im.convert("L")
im_l.save(out, pixel_format="DXT5")
assert_image_similar_tofile(im_l.convert("RGBA"), out, 6.07)
# LA
im_la = im_rgba.convert("LA")
im_la.save(out, pixel_format="DXT5")
assert_image_similar_tofile(im_la.convert("RGBA"), out, 8.32)
def test_save_dx10_bc5(tmp_path: Path) -> None:
out = tmp_path / "temp.dds"
with Image.open(TEST_FILE_DX10_BC5_TYPELESS) as im:
im.save(out, pixel_format="BC5")
assert_image_similar_tofile(im, out, 9.56)
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)

21
Tests/test_file_eps.py
View File

@ -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()
@ -86,6 +87,8 @@ simple_eps_file_with_long_binary_data = (
def test_sanity(filename: str, size: tuple[int, int], scale: int) -> None:
expected_size = tuple(s * scale for s in size)
with Image.open(filename) as image:
assert isinstance(image, EpsImagePlugin.EpsImageFile)
image.load(scale=scale)
assert image.mode == "RGB"
assert image.size == expected_size
@ -95,10 +98,14 @@ def test_sanity(filename: str, size: tuple[int, int], scale: int) -> None:
@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available")
def test_load() -> None:
with Image.open(FILE1) as im:
assert im.load()[0, 0] == (255, 255, 255)
px = im.load()
assert px is not None
assert px[0, 0] == (255, 255, 255)
# Test again now that it has already been loaded once
assert im.load()[0, 0] == (255, 255, 255)
px = im.load()
assert px is not None
assert px[0, 0] == (255, 255, 255)
def test_binary() -> None:
@ -223,6 +230,8 @@ def test_showpage() -> None:
@pytest.mark.skipif(not HAS_GHOSTSCRIPT, reason="Ghostscript not available")
def test_transparency() -> None:
with Image.open("Tests/images/eps/reqd_showpage.eps") as plot_image:
assert isinstance(plot_image, EpsImagePlugin.EpsImageFile)
plot_image.load(transparency=True)
assert plot_image.mode == "RGBA"
@ -235,7 +244,7 @@ def test_transparency() -> None:
def test_file_object(tmp_path: Path) -> None:
# issue 479
with Image.open(FILE1) as image1:
with open(str(tmp_path / "temp.eps"), "wb") as fh:
with open(tmp_path / "temp.eps", "wb") as fh:
image1.save(fh, "EPS")
@ -270,7 +279,7 @@ def test_1(filename: str) -> None:
def test_image_mode_not_supported(tmp_path: Path) -> None:
im = hopper("RGBA")
tmpfile = str(tmp_path / "temp.eps")
tmpfile = tmp_path / "temp.eps"
with pytest.raises(ValueError):
im.save(tmpfile)
@ -304,6 +313,7 @@ def test_render_scale2() -> None:
# Zero bounding box
with Image.open(FILE1) as image1_scale2:
assert isinstance(image1_scale2, EpsImagePlugin.EpsImageFile)
image1_scale2.load(scale=2)
with Image.open(FILE1_COMPARE_SCALE2) as image1_scale2_compare:
image1_scale2_compare = image1_scale2_compare.convert("RGB")
@ -312,6 +322,7 @@ def test_render_scale2() -> None:
# Non-zero bounding box
with Image.open(FILE2) as image2_scale2:
assert isinstance(image2_scale2, EpsImagePlugin.EpsImageFile)
image2_scale2.load(scale=2)
with Image.open(FILE2_COMPARE_SCALE2) as image2_scale2_compare:
image2_scale2_compare = image2_scale2_compare.convert("RGB")
@ -388,7 +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"],

34
Tests/test_file_fli.py
View File

@ -1,12 +1,18 @@
from __future__ import annotations
import io
import warnings
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.
@ -21,6 +27,8 @@ animated_test_file_with_prefix_chunk = "Tests/images/2422.flc"
def test_sanity() -> None:
with Image.open(static_test_file) as im:
assert isinstance(im, FliImagePlugin.FliImageFile)
im.load()
assert im.mode == "P"
assert im.size == (128, 128)
@ -28,6 +36,8 @@ def test_sanity() -> None:
assert not im.is_animated
with Image.open(animated_test_file) as im:
assert isinstance(im, FliImagePlugin.FliImageFile)
assert im.mode == "P"
assert im.size == (320, 200)
assert im.format == "FLI"
@ -52,12 +62,12 @@ def test_prefix_chunk(monkeypatch: pytest.MonkeyPatch) -> None:
@pytest.mark.skipif(is_pypy(), reason="Requires CPython")
def test_unclosed_file() -> None:
def open() -> None:
def open_test_image() -> None:
im = Image.open(static_test_file)
im.load()
with pytest.warns(ResourceWarning):
open()
open_test_image()
def test_closed_file() -> None:
@ -111,16 +121,19 @@ def test_palette_chunk_second() -> None:
def test_n_frames() -> None:
with Image.open(static_test_file) as im:
assert isinstance(im, FliImagePlugin.FliImageFile)
assert im.n_frames == 1
assert not im.is_animated
with Image.open(animated_test_file) as im:
assert isinstance(im, FliImagePlugin.FliImageFile)
assert im.n_frames == 384
assert im.is_animated
def test_eoferror() -> None:
with Image.open(animated_test_file) as im:
assert isinstance(im, FliImagePlugin.FliImageFile)
n_frames = im.n_frames
# Test seeking past the last frame
@ -132,6 +145,15 @@ def test_eoferror() -> None:
im.seek(n_frames - 1)
def test_missing_frame_size() -> None:
with open(animated_test_file, "rb") as fp:
data = fp.read()
data = data[:6188]
with Image.open(io.BytesIO(data)) as im:
with pytest.raises(EOFError, match="missing frame size"):
im.seek(1)
def test_seek_tell() -> None:
with Image.open(animated_test_file) as im:
layer_number = im.tell()
@ -156,10 +178,14 @@ def test_seek_tell() -> None:
def test_seek() -> None:
with Image.open(animated_test_file) as im:
assert isinstance(im, FliImagePlugin.FliImageFile)
im.seek(50)
assert_image_equal_tofile(im, "Tests/images/a_fli.png")
with pytest.raises(ValueError, match="cannot seek to frame 52"):
im._seek(52)
@pytest.mark.parametrize(
"test_file",
@ -168,7 +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:

3
Tests/test_file_fpx.py
View File

@ -22,10 +22,11 @@ def test_sanity() -> None:
def test_close() -> None:
with Image.open("Tests/images/input_bw_one_band.fpx") as im:
pass
assert isinstance(im, FpxImagePlugin.FpxImageFile)
assert im.ole.fp.closed
im = Image.open("Tests/images/input_bw_one_band.fpx")
assert isinstance(im, FpxImagePlugin.FpxImageFile)
im.close()
assert im.ole.fp.closed

15
Tests/test_file_ftex.py
View File

@ -1,5 +1,8 @@
from __future__ import annotations
import io
import struct
import pytest
from PIL import FtexImagePlugin, Image
@ -23,3 +26,15 @@ def test_invalid_file() -> None:
with pytest.raises(SyntaxError):
FtexImagePlugin.FtexImageFile(invalid_file)
def test_invalid_texture() -> None:
with open("Tests/images/ftex_dxt1.ftc", "rb") as fp:
data = fp.read()
# Change texture compression format
data = data[:24] + struct.pack("<i", 2) + data[28:]
with pytest.raises(ValueError, match="Invalid texture compression format: 2"):
with Image.open(io.BytesIO(data)):
pass

8
Tests/test_file_gbr.py
View File

@ -14,10 +14,14 @@ def test_gbr_file() -> None:
def test_load() -> None:
with Image.open("Tests/images/gbr.gbr") as im:
assert im.load()[0, 0] == (0, 0, 0, 0)
px = im.load()
assert px is not None
assert px[0, 0] == (0, 0, 0, 0)
# Test again now that it has already been loaded once
assert im.load()[0, 0] == (0, 0, 0, 0)
px = im.load()
assert px is not None
assert px[0, 0] == (0, 0, 0, 0)
def test_multiple_load_operations() -> None:

3
Tests/test_file_gd.py
View File

@ -4,6 +4,8 @@ import pytest
from PIL import GdImageFile, UnidentifiedImageError
from .helper import assert_image_similar_tofile
TEST_GD_FILE = "Tests/images/hopper.gd"
@ -11,6 +13,7 @@ def test_sanity() -> None:
with GdImageFile.open(TEST_GD_FILE) as im:
assert im.size == (128, 128)
assert im.format == "GD"
assert_image_similar_tofile(im.convert("RGB"), "Tests/images/hopper.jpg", 14)
def test_bad_mode() -> None:

212
Tests/test_file_gif.py
View File

@ -22,9 +22,6 @@ from .helper import (
# sample gif stream
TEST_GIF = "Tests/images/hopper.gif"
with open(TEST_GIF, "rb") as f:
data = f.read()
def test_sanity() -> None:
with Image.open(TEST_GIF) as im:
@ -37,12 +34,12 @@ def test_sanity() -> None:
@pytest.mark.skipif(is_pypy(), reason="Requires CPython")
def test_unclosed_file() -> None:
def open() -> None:
def open_test_image() -> None:
im = Image.open(TEST_GIF)
im.load()
with pytest.warns(ResourceWarning):
open()
open_test_image()
def test_closed_file() -> None:
@ -227,11 +224,12 @@ 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
def test_full_palette_second_frame(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = Image.new("P", (1, 256))
full_palette_im = Image.new("P", (1, 256))
@ -252,7 +250,7 @@ def test_full_palette_second_frame(tmp_path: Path) -> None:
def test_roundtrip(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = hopper()
im.save(out)
with Image.open(out) as reread:
@ -261,7 +259,7 @@ def test_roundtrip(tmp_path: Path) -> None:
def test_roundtrip2(tmp_path: Path) -> None:
# see https://github.com/python-pillow/Pillow/issues/403
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
with Image.open(TEST_GIF) as im:
im2 = im.copy()
im2.save(out)
@ -271,7 +269,7 @@ def test_roundtrip2(tmp_path: Path) -> None:
def test_roundtrip_save_all(tmp_path: Path) -> None:
# Single frame image
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = hopper()
im.save(out, save_all=True)
with Image.open(out) as reread:
@ -279,7 +277,7 @@ def test_roundtrip_save_all(tmp_path: Path) -> None:
# Multiframe image
with Image.open("Tests/images/dispose_bgnd.gif") as im:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im.save(out, save_all=True)
with Image.open(out) as reread:
@ -287,7 +285,7 @@ def test_roundtrip_save_all(tmp_path: Path) -> None:
def test_roundtrip_save_all_1(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = Image.new("1", (1, 1))
im2 = Image.new("1", (1, 1), 1)
im.save(out, save_all=True, append_images=[im2])
@ -310,6 +308,7 @@ def test_roundtrip_save_all_1(tmp_path: Path) -> None:
def test_loading_multiple_palettes(path: str, mode: str) -> None:
with Image.open(path) as im:
assert im.mode == "P"
assert im.palette is not None
first_frame_colors = im.palette.colors.keys()
original_color = im.convert("RGB").getpixel((0, 0))
@ -331,7 +330,7 @@ def test_headers_saving_for_animated_gifs(tmp_path: Path) -> None:
with Image.open("Tests/images/dispose_bgnd.gif") as im:
info = im.info.copy()
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im.save(out, save_all=True)
with Image.open(out) as reread:
for header in important_headers:
@ -347,7 +346,7 @@ def test_palette_handling(tmp_path: Path) -> None:
im = im.resize((100, 100), Image.Resampling.LANCZOS)
im2 = im.convert("P", palette=Image.Palette.ADAPTIVE, colors=256)
f = str(tmp_path / "temp.gif")
f = tmp_path / "temp.gif"
im2.save(f, optimize=True)
with Image.open(f) as reloaded:
@ -358,7 +357,7 @@ def test_palette_434(tmp_path: Path) -> None:
# see https://github.com/python-pillow/Pillow/issues/434
def roundtrip(im: Image.Image, **kwargs: bool) -> Image.Image:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im.copy().save(out, "GIF", **kwargs)
reloaded = Image.open(out)
@ -404,6 +403,7 @@ def test_save_netpbm_l_mode(tmp_path: Path) -> None:
def test_seek() -> None:
with Image.open("Tests/images/dispose_none.gif") as img:
assert isinstance(img, GifImagePlugin.GifImageFile)
frame_count = 0
try:
while True:
@ -412,6 +412,10 @@ def test_seek() -> None:
except EOFError:
assert frame_count == 5
img.seek(0)
with pytest.raises(ValueError, match="cannot seek to frame 2"):
img._seek(2)
def test_seek_info() -> None:
with Image.open("Tests/images/iss634.gif") as im:
@ -444,10 +448,12 @@ def test_seek_rewind() -> None:
def test_n_frames(path: str, n_frames: int) -> None:
# Test is_animated before n_frames
with Image.open(path) as im:
assert isinstance(im, GifImagePlugin.GifImageFile)
assert im.is_animated == (n_frames != 1)
# Test is_animated after n_frames
with Image.open(path) as im:
assert isinstance(im, GifImagePlugin.GifImageFile)
assert im.n_frames == n_frames
assert im.is_animated == (n_frames != 1)
@ -457,6 +463,7 @@ def test_no_change() -> None:
with Image.open("Tests/images/dispose_bgnd.gif") as im:
im.seek(1)
expected = im.copy()
assert isinstance(im, GifImagePlugin.GifImageFile)
assert im.n_frames == 5
assert_image_equal(im, expected)
@ -464,17 +471,20 @@ def test_no_change() -> None:
with Image.open("Tests/images/dispose_bgnd.gif") as im:
im.seek(3)
expected = im.copy()
assert isinstance(im, GifImagePlugin.GifImageFile)
assert im.is_animated
assert_image_equal(im, expected)
with Image.open("Tests/images/comment_after_only_frame.gif") as im:
expected = Image.new("P", (1, 1))
assert isinstance(im, GifImagePlugin.GifImageFile)
assert not im.is_animated
assert_image_equal(im, expected)
def test_eoferror() -> None:
with Image.open(TEST_GIF) as im:
assert isinstance(im, GifImagePlugin.GifImageFile)
n_frames = im.n_frames
# Test seeking past the last frame
@ -493,6 +503,7 @@ def test_first_frame_transparency() -> None:
def test_dispose_none() -> None:
with Image.open("Tests/images/dispose_none.gif") as img:
assert isinstance(img, GifImagePlugin.GifImageFile)
try:
while True:
img.seek(img.tell() + 1)
@ -516,6 +527,7 @@ def test_dispose_none_load_end() -> None:
def test_dispose_background() -> None:
with Image.open("Tests/images/dispose_bgnd.gif") as img:
assert isinstance(img, GifImagePlugin.GifImageFile)
try:
while True:
img.seek(img.tell() + 1)
@ -528,7 +540,10 @@ def test_dispose_background_transparency() -> None:
with Image.open("Tests/images/dispose_bgnd_transparency.gif") as img:
img.seek(2)
px = img.load()
assert px[35, 30][3] == 0
assert px is not None
value = px[35, 30]
assert isinstance(value, tuple)
assert value[3] == 0
@pytest.mark.parametrize(
@ -568,6 +583,7 @@ def test_transparent_dispose(
def test_dispose_previous() -> None:
with Image.open("Tests/images/dispose_prev.gif") as img:
assert isinstance(img, GifImagePlugin.GifImageFile)
try:
while True:
img.seek(img.tell() + 1)
@ -596,15 +612,16 @@ def test_previous_frame_loaded() -> None:
def test_save_dispose(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im_list = [
Image.new("L", (100, 100), "#000"),
Image.new("L", (100, 100), "#111"),
Image.new("L", (100, 100), "#222"),
]
for method in range(0, 4):
for method in range(4):
im_list[0].save(out, save_all=True, append_images=im_list[1:], disposal=method)
with Image.open(out) as img:
assert isinstance(img, GifImagePlugin.GifImageFile)
for _ in range(2):
img.seek(img.tell() + 1)
assert img.disposal_method == method
@ -618,13 +635,14 @@ def test_save_dispose(tmp_path: Path) -> None:
)
with Image.open(out) as img:
assert isinstance(img, GifImagePlugin.GifImageFile)
for i in range(2):
img.seek(img.tell() + 1)
assert img.disposal_method == i + 1
def test_dispose2_palette(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
# Four colors: white, gray, black, red
circles = [(255, 255, 255), (153, 153, 153), (0, 0, 0), (255, 0, 0)]
@ -658,7 +676,7 @@ def test_dispose2_palette(tmp_path: Path) -> None:
def test_dispose2_diff(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
# 4 frames: red/blue, red/red, blue/blue, red/blue
circles = [
@ -700,7 +718,7 @@ def test_dispose2_diff(tmp_path: Path) -> None:
def test_dispose2_background(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im_list = []
@ -726,7 +744,7 @@ def test_dispose2_background(tmp_path: Path) -> None:
def test_dispose2_background_frame(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im_list = [Image.new("RGBA", (1, 20))]
@ -740,11 +758,12 @@ def test_dispose2_background_frame(tmp_path: Path) -> None:
im_list[0].save(out, save_all=True, append_images=im_list[1:], disposal=2)
with Image.open(out) as im:
assert isinstance(im, GifImagePlugin.GifImageFile)
assert im.n_frames == 3
def test_dispose2_previous_frame(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = Image.new("P", (100, 100))
im.info["transparency"] = 0
@ -762,8 +781,23 @@ def test_dispose2_previous_frame(tmp_path: Path) -> None:
assert im.getpixel((0, 0)) == (0, 0, 0, 255)
def test_dispose2_without_transparency(tmp_path: Path) -> None:
out = tmp_path / "temp.gif"
im = Image.new("P", (100, 100))
im2 = Image.new("P", (100, 100), (0, 0, 0))
im2.putpixel((50, 50), (255, 0, 0))
im.save(out, save_all=True, append_images=[im2], disposal=2)
with Image.open(out) as reloaded:
reloaded.seek(1)
assert reloaded.tile[0].extents == (0, 0, 100, 100)
def test_transparency_in_second_frame(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
with Image.open("Tests/images/different_transparency.gif") as im:
assert im.info["transparency"] == 0
@ -793,7 +827,7 @@ def test_no_transparency_in_second_frame() -> None:
def test_remapped_transparency(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = Image.new("P", (1, 2))
im2 = im.copy()
@ -811,7 +845,7 @@ def test_remapped_transparency(tmp_path: Path) -> None:
def test_duration(tmp_path: Path) -> None:
duration = 1000
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = Image.new("L", (100, 100), "#000")
# Check that the argument has priority over the info settings
@ -825,7 +859,7 @@ def test_duration(tmp_path: Path) -> None:
def test_multiple_duration(tmp_path: Path) -> None:
duration_list = [1000, 2000, 3000]
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im_list = [
Image.new("L", (100, 100), "#000"),
Image.new("L", (100, 100), "#111"),
@ -860,7 +894,7 @@ def test_multiple_duration(tmp_path: Path) -> None:
def test_roundtrip_info_duration(tmp_path: Path) -> None:
duration_list = [100, 500, 500]
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
with Image.open("Tests/images/transparent_dispose.gif") as im:
assert [
frame.info["duration"] for frame in ImageSequence.Iterator(im)
@ -875,7 +909,7 @@ def test_roundtrip_info_duration(tmp_path: Path) -> None:
def test_roundtrip_info_duration_combined(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
with Image.open("Tests/images/duplicate_frame.gif") as im:
assert [frame.info["duration"] for frame in ImageSequence.Iterator(im)] == [
1000,
@ -893,7 +927,7 @@ def test_roundtrip_info_duration_combined(tmp_path: Path) -> None:
def test_identical_frames(tmp_path: Path) -> None:
duration_list = [1000, 1500, 2000, 4000]
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im_list = [
Image.new("L", (100, 100), "#000"),
Image.new("L", (100, 100), "#000"),
@ -906,6 +940,8 @@ def test_identical_frames(tmp_path: Path) -> None:
out, save_all=True, append_images=im_list[1:], duration=duration_list
)
with Image.open(out) as reread:
assert isinstance(reread, GifImagePlugin.GifImageFile)
# Assert that the first three frames were combined
assert reread.n_frames == 2
@ -926,7 +962,7 @@ def test_identical_frames(tmp_path: Path) -> None:
def test_identical_frames_to_single_frame(
duration: int | list[int], tmp_path: Path
) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im_list = [
Image.new("L", (100, 100), "#000"),
Image.new("L", (100, 100), "#000"),
@ -935,6 +971,8 @@ def test_identical_frames_to_single_frame(
im_list[0].save(out, save_all=True, append_images=im_list[1:], duration=duration)
with Image.open(out) as reread:
assert isinstance(reread, GifImagePlugin.GifImageFile)
# Assert that all frames were combined
assert reread.n_frames == 1
@ -943,7 +981,7 @@ def test_identical_frames_to_single_frame(
def test_loop_none(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = Image.new("L", (100, 100), "#000")
im.save(out, loop=None)
with Image.open(out) as reread:
@ -953,7 +991,7 @@ def test_loop_none(tmp_path: Path) -> None:
def test_number_of_loops(tmp_path: Path) -> None:
number_of_loops = 2
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = Image.new("L", (100, 100), "#000")
im.save(out, loop=number_of_loops)
with Image.open(out) as reread:
@ -969,7 +1007,7 @@ def test_number_of_loops(tmp_path: Path) -> None:
def test_background(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = Image.new("L", (100, 100), "#000")
im.info["background"] = 1
im.save(out)
@ -978,7 +1016,7 @@ def test_background(tmp_path: Path) -> None:
def test_webp_background(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
# Test opaque WebP background
if features.check("webp"):
@ -996,7 +1034,7 @@ def test_comment(tmp_path: Path) -> None:
with Image.open(TEST_GIF) as im:
assert im.info["comment"] == b"File written by Adobe Photoshop\xa8 4.0"
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = Image.new("L", (100, 100), "#000")
im.info["comment"] = b"Test comment text"
im.save(out)
@ -1013,7 +1051,7 @@ def test_comment(tmp_path: Path) -> None:
def test_comment_over_255(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = Image.new("L", (100, 100), "#000")
comment = b"Test comment text"
while len(comment) < 256:
@ -1039,7 +1077,7 @@ def test_read_multiple_comment_blocks() -> None:
def test_empty_string_comment(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
with Image.open("Tests/images/chi.gif") as im:
assert "comment" in im.info
@ -1073,7 +1111,7 @@ def test_retain_comment_in_subsequent_frames(tmp_path: Path) -> None:
assert "comment" not in im.info
# Test that a saved image keeps the comment
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
with Image.open("Tests/images/dispose_prev.gif") as im:
im.save(out, save_all=True, comment="Test")
@ -1083,7 +1121,7 @@ def test_retain_comment_in_subsequent_frames(tmp_path: Path) -> None:
def test_version(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
def assert_version_after_save(im: Image.Image, version: bytes) -> None:
im.save(out)
@ -1113,7 +1151,7 @@ def test_version(tmp_path: Path) -> None:
def test_append_images(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
# Test appending single frame images
im = Image.new("RGB", (100, 100), "#f00")
@ -1121,6 +1159,14 @@ def test_append_images(tmp_path: Path) -> None:
im.copy().save(out, save_all=True, append_images=ims)
with Image.open(out) as reread:
assert isinstance(reread, GifImagePlugin.GifImageFile)
assert reread.n_frames == 3
# Test append_images without save_all
im.copy().save(out, append_images=ims)
with Image.open(out) as reread:
assert isinstance(reread, GifImagePlugin.GifImageFile)
assert reread.n_frames == 3
# Tests appending using a generator
@ -1130,6 +1176,7 @@ def test_append_images(tmp_path: Path) -> None:
im.save(out, save_all=True, append_images=im_generator(ims))
with Image.open(out) as reread:
assert isinstance(reread, GifImagePlugin.GifImageFile)
assert reread.n_frames == 3
# Tests appending single and multiple frame images
@ -1138,11 +1185,12 @@ def test_append_images(tmp_path: Path) -> None:
im.save(out, save_all=True, append_images=[im2])
with Image.open(out) as reread:
assert isinstance(reread, GifImagePlugin.GifImageFile)
assert reread.n_frames == 10
def test_append_different_size_image(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = Image.new("RGB", (100, 100))
bigger_im = Image.new("RGB", (200, 200), "#f00")
@ -1169,7 +1217,7 @@ def test_transparent_optimize(tmp_path: Path) -> None:
im.frombytes(data)
im.putpalette(palette)
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im.save(out, transparency=im.getpixel((252, 0)))
with Image.open(out) as reloaded:
@ -1177,14 +1225,16 @@ def test_transparent_optimize(tmp_path: Path) -> None:
def test_removed_transparency(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = Image.new("RGB", (256, 1))
for x in range(256):
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:
@ -1192,7 +1242,7 @@ def test_removed_transparency(tmp_path: Path) -> None:
def test_rgb_transparency(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
# Single frame
im = Image.new("RGB", (1, 1))
@ -1206,7 +1256,7 @@ 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:
@ -1214,7 +1264,7 @@ def test_rgb_transparency(tmp_path: Path) -> None:
def test_rgba_transparency(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = hopper("P")
im.save(out, save_all=True, append_images=[Image.new("RGBA", im.size)])
@ -1224,25 +1274,26 @@ def test_rgba_transparency(tmp_path: Path) -> None:
assert_image_equal(hopper("P").convert("RGB"), reloaded)
def test_background_outside_palettte(tmp_path: Path) -> None:
def test_background_outside_palettte() -> None:
with Image.open("Tests/images/background_outside_palette.gif") as im:
im.seek(1)
assert im.info["background"] == 255
def test_bbox(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = Image.new("RGB", (100, 100), "#fff")
ims = [Image.new("RGB", (100, 100), "#000")]
im.save(out, save_all=True, append_images=ims)
with Image.open(out) as reread:
assert isinstance(reread, GifImagePlugin.GifImageFile)
assert reread.n_frames == 2
def test_bbox_alpha(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im = Image.new("RGBA", (1, 2), (255, 0, 0, 255))
im.putpixel((0, 1), (255, 0, 0, 0))
@ -1250,6 +1301,7 @@ def test_bbox_alpha(tmp_path: Path) -> None:
im.save(out, save_all=True, append_images=[im2])
with Image.open(out) as reread:
assert isinstance(reread, GifImagePlugin.GifImageFile)
assert reread.n_frames == 2
@ -1261,7 +1313,7 @@ def test_palette_save_L(tmp_path: Path) -> None:
palette = im.getpalette()
assert palette is not None
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im_l.save(out, palette=bytes(palette))
with Image.open(out) as reloaded:
@ -1272,7 +1324,7 @@ def test_palette_save_P(tmp_path: Path) -> None:
im = Image.new("P", (1, 2))
im.putpixel((0, 1), 1)
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im.save(out, palette=bytes((1, 2, 3, 4, 5, 6)))
with Image.open(out) as reloaded:
@ -1288,7 +1340,7 @@ def test_palette_save_duplicate_entries(tmp_path: Path) -> None:
im.putpalette((0, 0, 0, 0, 0, 0))
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im.save(out, palette=[0, 0, 0, 0, 0, 0, 1, 1, 1])
with Image.open(out) as reloaded:
@ -1303,7 +1355,7 @@ def test_palette_save_all_P(tmp_path: Path) -> None:
frame.putpalette(color)
frames.append(frame)
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
frames[0].save(
out, save_all=True, palette=[255, 0, 0, 0, 255, 0], append_images=frames[1:]
)
@ -1311,6 +1363,8 @@ def test_palette_save_all_P(tmp_path: Path) -> None:
with Image.open(out) as im:
# 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)
@ -1325,7 +1379,7 @@ def test_palette_save_ImagePalette(tmp_path: Path) -> None:
im = hopper("P")
palette = ImagePalette.ImagePalette("RGB", list(range(256))[::-1] * 3)
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im.save(out, palette=palette)
with Image.open(out) as reloaded:
@ -1338,45 +1392,45 @@ def test_save_I(tmp_path: Path) -> None:
im = hopper("I")
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im.save(out)
with Image.open(out) as reloaded:
assert_image_equal(reloaded.convert("L"), im.convert("L"))
def test_getdata() -> None:
def test_getdata(monkeypatch: pytest.MonkeyPatch) -> None:
# Test getheader/getdata against legacy values.
# Create a 'P' image with holes in the palette.
im = Image._wedge().resize((16, 16), Image.Resampling.NEAREST)
im = Image.linear_gradient(mode="L").resize((16, 16), Image.Resampling.NEAREST)
im.putpalette(ImagePalette.ImagePalette("RGB"))
im.info = {"background": 0}
passed_palette = bytes(255 - i // 3 for i in range(768))
GifImagePlugin._FORCE_OPTIMIZE = True
try:
h = GifImagePlugin.getheader(im, passed_palette)
d = GifImagePlugin.getdata(im)
monkeypatch.setattr(GifImagePlugin, "_FORCE_OPTIMIZE", True)
import pickle
h = GifImagePlugin.getheader(im, passed_palette)
d = GifImagePlugin.getdata(im)
# Enable to get target values on pre-refactor version
# with open('Tests/images/gif_header_data.pkl', 'wb') as f:
# pickle.dump((h, d), f, 1)
with open("Tests/images/gif_header_data.pkl", "rb") as f:
(h_target, d_target) = pickle.load(f)
import pickle
assert h == h_target
assert d == d_target
finally:
GifImagePlugin._FORCE_OPTIMIZE = False
# Enable to get target values on pre-refactor version
# with open('Tests/images/gif_header_data.pkl', 'wb') as f:
# pickle.dump((h, d), f, 1)
with open("Tests/images/gif_header_data.pkl", "rb") as f:
(h_target, d_target) = pickle.load(f)
assert h == h_target
assert d == d_target
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()
@ -1402,6 +1456,7 @@ def test_extents(
) -> None:
monkeypatch.setattr(GifImagePlugin, "LOADING_STRATEGY", loading_strategy)
with Image.open("Tests/images/" + test_file) as im:
assert isinstance(im, GifImagePlugin.GifImageFile)
assert im.size == (100, 100)
# Check that n_frames does not change the size
@ -1424,18 +1479,22 @@ def test_missing_background() -> None:
def test_saving_rgba(tmp_path: Path) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
with Image.open("Tests/images/transparent.png") as im:
im.save(out)
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}))
def test_p_rgba(tmp_path: Path, params: dict[str, Any]) -> None:
out = str(tmp_path / "temp.gif")
out = tmp_path / "temp.gif"
im1 = Image.new("P", (100, 100))
d = ImageDraw.Draw(im1)
@ -1449,4 +1508,5 @@ def test_p_rgba(tmp_path: Path, params: dict[str, Any]) -> None:
im1.save(out, save_all=True, append_images=[im2], **params)
with Image.open(out) as reloaded:
assert isinstance(reloaded, GifImagePlugin.GifImageFile)
assert reloaded.n_frames == 2

46
Tests/test_file_gimppalette.py
View File

@ -1,5 +1,7 @@
from __future__ import annotations
from io import BytesIO
import pytest
from PIL.GimpPaletteFile import GimpPaletteFile
@ -14,17 +16,20 @@ def test_sanity() -> None:
GimpPaletteFile(fp)
with open("Tests/images/bad_palette_file.gpl", "rb") as fp:
with pytest.raises(SyntaxError):
with pytest.raises(SyntaxError, match="bad palette file"):
GimpPaletteFile(fp)
with open("Tests/images/bad_palette_entry.gpl", "rb") as fp:
with pytest.raises(ValueError):
with pytest.raises(ValueError, match="bad palette entry"):
GimpPaletteFile(fp)
def test_get_palette() -> None:
@pytest.mark.parametrize(
"filename, size", (("custom_gimp_palette.gpl", 8), ("full_gimp_palette.gpl", 256))
)
def test_get_palette(filename: str, size: int) -> None:
# Arrange
with open("Tests/images/custom_gimp_palette.gpl", "rb") as fp:
with open("Tests/images/" + filename, "rb") as fp:
palette_file = GimpPaletteFile(fp)
# Act
@ -32,3 +37,36 @@ def test_get_palette() -> None:
# Assert
assert mode == "RGB"
assert len(palette) / 3 == size
def test_frombytes() -> None:
# Test that __init__ stops reading after 260 lines
with open("Tests/images/custom_gimp_palette.gpl", "rb") as fp:
custom_data = fp.read()
custom_data += b"#\n" * 300 + b" 0 0 0 Index 12"
b = BytesIO(custom_data)
palette = GimpPaletteFile(b)
assert len(palette.palette) / 3 == 8
# Test that __init__ only reads 256 entries
with open("Tests/images/full_gimp_palette.gpl", "rb") as fp:
full_data = fp.read()
data = full_data.replace(b"#\n", b"") + b" 0 0 0 Index 256"
b = BytesIO(data)
palette = GimpPaletteFile(b)
assert len(palette.palette) / 3 == 256
# Test that frombytes() can read beyond that
palette = GimpPaletteFile.frombytes(data)
assert len(palette.palette) / 3 == 257
# Test that __init__ raises an error if a comment is too long
data = full_data[:-1] + b"a" * 100
b = BytesIO(data)
with pytest.raises(SyntaxError, match="bad palette file"):
palette = GimpPaletteFile(b)
# Test that frombytes() can read the data regardless
palette = GimpPaletteFile.frombytes(data)
assert len(palette.palette) / 3 == 256

4
Tests/test_file_gribstub.py
View File

@ -43,7 +43,7 @@ def test_load() -> None:
def test_save(tmp_path: Path) -> None:
# Arrange
im = hopper()
tmpfile = str(tmp_path / "temp.grib")
tmpfile = tmp_path / "temp.grib"
# Act / Assert: stub cannot save without an implemented handler
with pytest.raises(OSError):
@ -79,7 +79,7 @@ def test_handler(tmp_path: Path) -> None:
im.load()
assert handler.is_loaded()
temp_file = str(tmp_path / "temp.grib")
temp_file = tmp_path / "temp.grib"
im.save(temp_file)
assert handler.saved

4
Tests/test_file_hdf5stub.py
View File

@ -43,7 +43,7 @@ def test_save() -> None:
# Arrange
with Image.open(TEST_FILE) as im:
dummy_fp = BytesIO()
dummy_filename = "dummy.filename"
dummy_filename = "dummy.h5"
# Act / Assert: stub cannot save without an implemented handler
with pytest.raises(OSError):
@ -81,7 +81,7 @@ def test_handler(tmp_path: Path) -> None:
im.load()
assert handler.is_loaded()
temp_file = str(tmp_path / "temp.h5")
temp_file = tmp_path / "temp.h5"
im.save(temp_file)
assert handler.saved

20
Tests/test_file_icns.py
View File

@ -32,14 +32,18 @@ def test_sanity() -> None:
def test_load() -> None:
with Image.open(TEST_FILE) as im:
assert im.load()[0, 0] == (0, 0, 0, 0)
px = im.load()
assert px is not None
assert px[0, 0] == (0, 0, 0, 0)
# Test again now that it has already been loaded once
assert im.load()[0, 0] == (0, 0, 0, 0)
px = im.load()
assert px is not None
assert px[0, 0] == (0, 0, 0, 0)
def test_save(tmp_path: Path) -> None:
temp_file = str(tmp_path / "temp.icns")
temp_file = tmp_path / "temp.icns"
with Image.open(TEST_FILE) as im:
im.save(temp_file)
@ -56,7 +60,7 @@ def test_save(tmp_path: Path) -> None:
def test_save_append_images(tmp_path: Path) -> None:
temp_file = str(tmp_path / "temp.icns")
temp_file = tmp_path / "temp.icns"
provided_im = Image.new("RGBA", (32, 32), (255, 0, 0, 128))
with Image.open(TEST_FILE) as im:
@ -65,6 +69,7 @@ def test_save_append_images(tmp_path: Path) -> None:
assert_image_similar_tofile(im, temp_file, 1)
with Image.open(temp_file) as reread:
assert isinstance(reread, IcnsImagePlugin.IcnsImageFile)
reread.size = (16, 16)
reread.load(2)
assert_image_equal(reread, provided_im)
@ -86,10 +91,13 @@ def test_sizes() -> None:
# Check that we can load all of the sizes, and that the final pixel
# dimensions are as expected
with Image.open(TEST_FILE) as im:
assert isinstance(im, IcnsImagePlugin.IcnsImageFile)
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"
@ -114,6 +122,7 @@ def test_older_icon() -> None:
wr = w * r
hr = h * r
with Image.open("Tests/images/pillow2.icns") as im2:
assert isinstance(im2, IcnsImagePlugin.IcnsImageFile)
im2.size = (w, h)
im2.load(r)
assert im2.mode == "RGBA"
@ -131,6 +140,7 @@ def test_jp2_icon() -> None:
wr = w * r
hr = h * r
with Image.open("Tests/images/pillow3.icns") as im2:
assert isinstance(im2, IcnsImagePlugin.IcnsImageFile)
im2.size = (w, h)
im2.load(r)
assert im2.mode == "RGBA"

36
Tests/test_file_ico.py
View File

@ -24,7 +24,9 @@ def test_sanity() -> None:
def test_load() -> None:
with Image.open(TEST_ICO_FILE) as im:
assert im.load()[0, 0] == (1, 1, 9, 255)
px = im.load()
assert px is not None
assert px[0, 0] == (1, 1, 9, 255)
def test_mask() -> None:
@ -39,7 +41,7 @@ def test_black_and_white() -> None:
def test_palette(tmp_path: Path) -> None:
temp_file = str(tmp_path / "temp.ico")
temp_file = tmp_path / "temp.ico"
im = Image.new("P", (16, 16))
im.save(temp_file)
@ -75,6 +77,7 @@ def test_save_to_bytes() -> None:
# The other one
output.seek(0)
with Image.open(output) as reloaded:
assert isinstance(reloaded, IcoImagePlugin.IcoImageFile)
reloaded.size = (32, 32)
assert im.mode == reloaded.mode
@ -86,21 +89,23 @@ def test_save_to_bytes() -> None:
def test_getpixel(tmp_path: Path) -> None:
temp_file = str(tmp_path / "temp.ico")
temp_file = tmp_path / "temp.ico"
im = hopper()
im.save(temp_file, "ico", sizes=[(32, 32), (64, 64)])
with Image.open(temp_file) as reloaded:
assert isinstance(reloaded, IcoImagePlugin.IcoImageFile)
reloaded.load()
reloaded.size = (32, 32)
assert reloaded.load() is not None
assert reloaded.getpixel((0, 0)) == (18, 20, 62)
def test_no_duplicates(tmp_path: Path) -> None:
temp_file = str(tmp_path / "temp.ico")
temp_file2 = str(tmp_path / "temp2.ico")
temp_file = tmp_path / "temp.ico"
temp_file2 = tmp_path / "temp2.ico"
im = hopper()
sizes = [(32, 32), (64, 64)]
@ -113,8 +118,8 @@ def test_no_duplicates(tmp_path: Path) -> None:
def test_different_bit_depths(tmp_path: Path) -> None:
temp_file = str(tmp_path / "temp.ico")
temp_file2 = str(tmp_path / "temp2.ico")
temp_file = tmp_path / "temp.ico"
temp_file2 = tmp_path / "temp2.ico"
im = hopper()
im.save(temp_file, "ico", bitmap_format="bmp", sizes=[(128, 128)])
@ -130,8 +135,8 @@ def test_different_bit_depths(tmp_path: Path) -> None:
assert os.path.getsize(temp_file) != os.path.getsize(temp_file2)
# Test that only matching sizes of different bit depths are saved
temp_file3 = str(tmp_path / "temp3.ico")
temp_file4 = str(tmp_path / "temp4.ico")
temp_file3 = tmp_path / "temp3.ico"
temp_file4 = tmp_path / "temp4.ico"
im.save(temp_file3, "ico", bitmap_format="bmp", sizes=[(128, 128)])
im.save(
@ -165,6 +170,7 @@ def test_save_to_bytes_bmp(mode: str) -> None:
# The other one
output.seek(0)
with Image.open(output) as reloaded:
assert isinstance(reloaded, IcoImagePlugin.IcoImageFile)
reloaded.size = (32, 32)
assert "RGBA" == reloaded.mode
@ -176,6 +182,7 @@ def test_save_to_bytes_bmp(mode: str) -> None:
def test_incorrect_size() -> None:
with Image.open(TEST_ICO_FILE) as im:
assert isinstance(im, IcoImagePlugin.IcoImageFile)
with pytest.raises(ValueError):
im.size = (1, 1)
@ -184,7 +191,7 @@ def test_save_256x256(tmp_path: Path) -> None:
"""Issue #2264 https://github.com/python-pillow/Pillow/issues/2264"""
# Arrange
with Image.open("Tests/images/hopper_256x256.ico") as im:
outfile = str(tmp_path / "temp_saved_hopper_256x256.ico")
outfile = tmp_path / "temp_saved_hopper_256x256.ico"
# Act
im.save(outfile)
@ -200,7 +207,7 @@ def test_only_save_relevant_sizes(tmp_path: Path) -> None:
"""
# Arrange
with Image.open("Tests/images/python.ico") as im: # 16x16, 32x32, 48x48
outfile = str(tmp_path / "temp_saved_python.ico")
outfile = tmp_path / "temp_saved_python.ico"
# Act
im.save(outfile)
@ -213,10 +220,11 @@ def test_save_append_images(tmp_path: Path) -> None:
# append_images should be used for scaled down versions of the image
im = hopper("RGBA")
provided_im = Image.new("RGBA", (32, 32), (255, 0, 0))
outfile = str(tmp_path / "temp_saved_multi_icon.ico")
outfile = tmp_path / "temp_saved_multi_icon.ico"
im.save(outfile, sizes=[(32, 32), (128, 128)], append_images=[provided_im])
with Image.open(outfile) as reread:
assert isinstance(reread, IcoImagePlugin.IcoImageFile)
assert_image_equal(reread, hopper("RGBA"))
reread.size = (32, 32)
@ -226,14 +234,14 @@ 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)
def test_draw_reloaded(tmp_path: Path) -> None:
with Image.open(TEST_ICO_FILE) as im:
outfile = str(tmp_path / "temp_saved_hopper_draw.ico")
outfile = tmp_path / "temp_saved_hopper_draw.ico"
draw = ImageDraw.Draw(im)
draw.line((0, 0) + im.size, "#f00")

14
Tests/test_file_im.py
View File

@ -23,7 +23,7 @@ def test_sanity() -> None:
def test_name_limit(tmp_path: Path) -> None:
out = str(tmp_path / ("name_limit_test" * 7 + ".im"))
out = tmp_path / ("name_limit_test" * 7 + ".im")
with Image.open(TEST_IM) as im:
im.save(out)
assert filecmp.cmp(out, "Tests/images/hopper_long_name.im")
@ -31,12 +31,12 @@ def test_name_limit(tmp_path: Path) -> None:
@pytest.mark.skipif(is_pypy(), reason="Requires CPython")
def test_unclosed_file() -> None:
def open() -> None:
def open_test_image() -> None:
im = Image.open(TEST_IM)
im.load()
with pytest.warns(ResourceWarning):
open()
open_test_image()
def test_closed_file() -> None:
@ -68,12 +68,14 @@ def test_tell() -> None:
def test_n_frames() -> None:
with Image.open(TEST_IM) as im:
assert isinstance(im, ImImagePlugin.ImImageFile)
assert im.n_frames == 1
assert not im.is_animated
def test_eoferror() -> None:
with Image.open(TEST_IM) as im:
assert isinstance(im, ImImagePlugin.ImImageFile)
n_frames = im.n_frames
# Test seeking past the last frame
@ -87,7 +89,7 @@ def test_eoferror() -> None:
@pytest.mark.parametrize("mode", ("RGB", "P", "PA"))
def test_roundtrip(mode: str, tmp_path: Path) -> None:
out = str(tmp_path / "temp.im")
out = tmp_path / "temp.im"
im = hopper(mode)
im.save(out)
assert_image_equal_tofile(im, out)
@ -98,7 +100,7 @@ def test_small_palette(tmp_path: Path) -> None:
colors = [0, 1, 2]
im.putpalette(colors)
out = str(tmp_path / "temp.im")
out = tmp_path / "temp.im"
im.save(out)
with Image.open(out) as reloaded:
@ -106,7 +108,7 @@ def test_small_palette(tmp_path: Path) -> None:
def test_save_unsupported_mode(tmp_path: Path) -> None:
out = str(tmp_path / "temp.im")
out = tmp_path / "temp.im"
im = hopper("HSV")
with pytest.raises(ValueError):
im.save(out)

9
Tests/test_file_iptc.py
View File

@ -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"

106
Tests/test_file_jpeg.py
View File

@ -32,6 +32,7 @@ from .helper import (
is_win32,
mark_if_feature_version,
skip_unless_feature,
timeout_unless_slower_valgrind,
)
ElementTree: ModuleType | None
@ -83,7 +84,7 @@ class TestFileJpeg:
@pytest.mark.parametrize("size", ((1, 0), (0, 1), (0, 0)))
def test_zero(self, size: tuple[int, int], tmp_path: Path) -> None:
f = str(tmp_path / "temp.jpg")
f = tmp_path / "temp.jpg"
im = Image.new("RGB", size)
with pytest.raises(ValueError):
im.save(f)
@ -91,6 +92,7 @@ class TestFileJpeg:
def test_app(self) -> None:
# Test APP/COM reader (@PIL135)
with Image.open(TEST_FILE) as im:
assert isinstance(im, JpegImagePlugin.JpegImageFile)
assert im.applist[0] == ("APP0", b"JFIF\x00\x01\x01\x01\x00`\x00`\x00\x00")
assert im.applist[1] == (
"COM",
@ -128,30 +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"
with Image.open(f) as im:
# the source image has red pixels in the upper left corner.
c, m, y, k = (x / 255.0 for x in im.getpixel((0, 0)))
def check(im: ImageFile.ImageFile) -> None:
cmyk = im.getpixel((0, 0))
assert isinstance(cmyk, tuple)
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 = (
x / 255.0 for x in im.getpixel((im.size[0] - 1, im.size[1] - 1))
)
cmyk = 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)
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
check(self.roundtrip(im))
def test_rgb(self) -> None:
def getchannels(im: JpegImagePlugin.JpegImageFile) -> tuple[int, ...]:
@ -194,7 +192,7 @@ class TestFileJpeg:
icc_profile = im1.info["icc_profile"]
assert len(icc_profile) == 3144
# Roundtrip via physical file.
f = str(tmp_path / "temp.jpg")
f = tmp_path / "temp.jpg"
im1.save(f, icc_profile=icc_profile)
with Image.open(f) as im2:
assert im2.info.get("icc_profile") == icc_profile
@ -238,7 +236,7 @@ class TestFileJpeg:
# Sometimes the meta data on the icc_profile block is bigger than
# Image.MAXBLOCK or the image size.
with Image.open("Tests/images/icc_profile_big.jpg") as im:
f = str(tmp_path / "temp.jpg")
f = tmp_path / "temp.jpg"
icc_profile = im.info["icc_profile"]
# Should not raise OSError for image with icc larger than image size.
im.save(
@ -250,11 +248,11 @@ class TestFileJpeg:
)
with Image.open("Tests/images/flower2.jpg") as im:
f = str(tmp_path / "temp2.jpg")
f = tmp_path / "temp2.jpg"
im.save(f, progressive=True, quality=94, icc_profile=b" " * 53955)
with Image.open("Tests/images/flower2.jpg") as im:
f = str(tmp_path / "temp3.jpg")
f = tmp_path / "temp3.jpg"
im.save(f, progressive=True, quality=94, exif=b" " * 43668)
def test_optimize(self) -> None:
@ -268,7 +266,7 @@ class TestFileJpeg:
def test_optimize_large_buffer(self, tmp_path: Path) -> None:
# https://github.com/python-pillow/Pillow/issues/148
f = str(tmp_path / "temp.jpg")
f = tmp_path / "temp.jpg"
# this requires ~ 1.5x Image.MAXBLOCK
im = Image.new("RGB", (4096, 4096), 0xFF3333)
im.save(f, format="JPEG", optimize=True)
@ -288,13 +286,13 @@ class TestFileJpeg:
assert im1_bytes >= im3_bytes
def test_progressive_large_buffer(self, tmp_path: Path) -> None:
f = str(tmp_path / "temp.jpg")
f = tmp_path / "temp.jpg"
# this requires ~ 1.5x Image.MAXBLOCK
im = Image.new("RGB", (4096, 4096), 0xFF3333)
im.save(f, format="JPEG", progressive=True)
def test_progressive_large_buffer_highest_quality(self, tmp_path: Path) -> None:
f = str(tmp_path / "temp.jpg")
f = tmp_path / "temp.jpg"
im = self.gen_random_image((255, 255))
# this requires more bytes than pixels in the image
im.save(f, format="JPEG", progressive=True, quality=100)
@ -307,7 +305,7 @@ class TestFileJpeg:
def test_large_exif(self, tmp_path: Path) -> None:
# https://github.com/python-pillow/Pillow/issues/148
f = str(tmp_path / "temp.jpg")
f = tmp_path / "temp.jpg"
im = hopper()
im.save(f, "JPEG", quality=90, exif=b"1" * 65533)
@ -316,6 +314,8 @@ class TestFileJpeg:
def test_exif_typeerror(self) -> None:
with Image.open("Tests/images/exif_typeerror.jpg") as im:
assert isinstance(im, JpegImagePlugin.JpegImageFile)
# Should not raise a TypeError
im._getexif()
@ -335,7 +335,7 @@ class TestFileJpeg:
assert exif[gps_index] == expected_exif_gps
# Writing
f = str(tmp_path / "temp.jpg")
f = tmp_path / "temp.jpg"
exif = Image.Exif()
exif[gps_index] = expected_exif_gps
hopper().save(f, exif=exif)
@ -500,20 +500,21 @@ class TestFileJpeg:
def test_mp(self) -> None:
with Image.open("Tests/images/pil_sample_rgb.jpg") as im:
assert isinstance(im, JpegImagePlugin.JpegImageFile)
assert im._getmp() is None
def test_quality_keep(self, tmp_path: Path) -> None:
# RGB
with Image.open("Tests/images/hopper.jpg") as im:
f = str(tmp_path / "temp.jpg")
f = tmp_path / "temp.jpg"
im.save(f, quality="keep")
# Grayscale
with Image.open("Tests/images/hopper_gray.jpg") as im:
f = str(tmp_path / "temp.jpg")
f = tmp_path / "temp.jpg"
im.save(f, quality="keep")
# CMYK
with Image.open("Tests/images/pil_sample_cmyk.jpg") as im:
f = str(tmp_path / "temp.jpg")
f = tmp_path / "temp.jpg"
im.save(f, quality="keep")
def test_junk_jpeg_header(self) -> None:
@ -558,12 +559,14 @@ class TestFileJpeg:
with Image.open(test_file) as im:
im.save(b, "JPEG", qtables=[[n] * 64] * n)
with Image.open(b) as im:
assert isinstance(im, JpegImagePlugin.JpegImageFile)
assert len(im.quantization) == n
reloaded = self.roundtrip(im, qtables="keep")
assert im.quantization == reloaded.quantization
assert max(reloaded.quantization[0]) <= 255
with Image.open("Tests/images/hopper.jpg") as im:
assert isinstance(im, JpegImagePlugin.JpegImageFile)
qtables = im.quantization
reloaded = self.roundtrip(im, qtables=qtables, subsampling=0)
assert im.quantization == reloaded.quantization
@ -663,6 +666,7 @@ class TestFileJpeg:
def test_load_16bit_qtables(self) -> None:
with Image.open("Tests/images/hopper_16bit_qtables.jpg") as im:
assert isinstance(im, JpegImagePlugin.JpegImageFile)
assert len(im.quantization) == 2
assert len(im.quantization[0]) == 64
assert max(im.quantization[0]) > 255
@ -705,6 +709,7 @@ class TestFileJpeg:
@pytest.mark.skipif(not djpeg_available(), reason="djpeg not available")
def test_load_djpeg(self) -> None:
with Image.open(TEST_FILE) as img:
assert isinstance(img, JpegImagePlugin.JpegImageFile)
img.load_djpeg()
assert_image_similar_tofile(img, TEST_FILE, 5)
@ -726,7 +731,7 @@ class TestFileJpeg:
def test_MAXBLOCK_scaling(self, tmp_path: Path) -> None:
im = self.gen_random_image((512, 512))
f = str(tmp_path / "temp.jpeg")
f = tmp_path / "temp.jpeg"
im.save(f, quality=100, optimize=True)
with Image.open(f) as reloaded:
@ -741,10 +746,13 @@ class TestFileJpeg:
# Act
# Shouldn't raise error
fn = "Tests/images/sugarshack_bad_mpo_header.jpg"
with pytest.warns(UserWarning, Image.open, fn) as im:
# Assert
assert im.format == "JPEG"
with pytest.warns(UserWarning, match="malformed MPO file"):
im = Image.open("Tests/images/sugarshack_bad_mpo_header.jpg")
# 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:
@ -762,7 +770,7 @@ class TestFileJpeg:
def test_save_tiff_with_dpi(self, tmp_path: Path) -> None:
# Arrange
outfile = str(tmp_path / "temp.tif")
outfile = tmp_path / "temp.tif"
with Image.open("Tests/images/hopper.tif") as im:
# Act
im.save(outfile, "JPEG", dpi=im.info["dpi"])
@ -773,7 +781,7 @@ class TestFileJpeg:
assert im.info["dpi"] == reloaded.info["dpi"]
def test_save_dpi_rounding(self, tmp_path: Path) -> None:
outfile = str(tmp_path / "temp.jpg")
outfile = tmp_path / "temp.jpg"
with Image.open("Tests/images/hopper.jpg") as im:
im.save(outfile, dpi=(72.2, 72.2))
@ -859,7 +867,7 @@ class TestFileJpeg:
exif = im.getexif()
assert exif[282] == 180
out = str(tmp_path / "out.jpg")
out = tmp_path / "out.jpg"
with warnings.catch_warnings():
warnings.simplefilter("error")
@ -909,6 +917,7 @@ class TestFileJpeg:
def test_photoshop_malformed_and_multiple(self) -> None:
with Image.open("Tests/images/app13-multiple.jpg") as im:
assert isinstance(im, JpegImagePlugin.JpegImageFile)
assert "photoshop" in im.info
assert 24 == len(im.info["photoshop"])
apps_13_lengths = [len(v) for k, v in im.applist if k == "APP13"]
@ -1005,7 +1014,7 @@ class TestFileJpeg:
assert im.getxmp() == {"xmpmeta": None}
def test_save_xmp(self, tmp_path: Path) -> None:
f = str(tmp_path / "temp.jpg")
f = tmp_path / "temp.jpg"
im = hopper()
im.save(f, xmp=b"XMP test")
with Image.open(f) as reloaded:
@ -1024,7 +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
@ -1055,10 +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]
@ -1084,9 +1099,10 @@ class TestFileJpeg:
def test_deprecation(self) -> None:
with Image.open(TEST_FILE) as im:
with pytest.warns(DeprecationWarning):
assert isinstance(im, JpegImagePlugin.JpegImageFile)
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 == {}
@ -1094,7 +1110,7 @@ class TestFileJpeg:
@skip_unless_feature("jpg")
class TestFileCloseW32:
def test_fd_leak(self, tmp_path: Path) -> None:
tmpfile = str(tmp_path / "temp.jpg")
tmpfile = tmp_path / "temp.jpg"
with Image.open("Tests/images/hopper.jpg") as im:
im.save(tmpfile)

27
Tests/test_file_jpeg2k.py
View File

@ -63,6 +63,7 @@ def test_sanity() -> None:
with Image.open("Tests/images/test-card-lossless.jp2") as im:
px = im.load()
assert px is not None
assert px[0, 0] == (0, 0, 0)
assert im.mode == "RGB"
assert im.size == (640, 480)
@ -98,7 +99,7 @@ def test_bytesio(card: ImageFile.ImageFile) -> None:
def test_lossless(card: ImageFile.ImageFile, tmp_path: Path) -> None:
with Image.open("Tests/images/test-card-lossless.jp2") as im:
im.load()
outfile = str(tmp_path / "temp_test-card.png")
outfile = tmp_path / "temp_test-card.png"
im.save(outfile)
assert_image_similar(im, card, 1.0e-3)
@ -212,7 +213,7 @@ def test_header_errors() -> None:
def test_layers_type(card: ImageFile.ImageFile, tmp_path: Path) -> None:
outfile = str(tmp_path / "temp_layers.jp2")
outfile = tmp_path / "temp_layers.jp2"
for quality_layers in [[100, 50, 10], (100, 50, 10), None]:
card.save(outfile, quality_layers=quality_layers)
@ -227,12 +228,14 @@ def test_layers(card: ImageFile.ImageFile) -> None:
out.seek(0)
with Image.open(out) as im:
assert isinstance(im, Jpeg2KImagePlugin.Jpeg2KImageFile)
im.layers = 1
im.load()
assert_image_similar(im, card, 13)
out.seek(0)
with Image.open(out) as im:
assert isinstance(im, Jpeg2KImagePlugin.Jpeg2KImageFile)
im.layers = 3
im.load()
assert_image_similar(im, card, 0.4)
@ -288,7 +291,7 @@ def test_mct(card: ImageFile.ImageFile) -> None:
def test_sgnd(tmp_path: Path) -> None:
outfile = str(tmp_path / "temp.jp2")
outfile = tmp_path / "temp.jp2"
im = Image.new("L", (1, 1))
im.save(outfile)
@ -312,6 +315,18 @@ def test_rgba(ext: str) -> None:
assert im.mode == "RGBA"
def test_grayscale_four_channels() -> None:
with open("Tests/images/rgb_trns_ycbc.jp2", "rb") as fp:
data = fp.read()
# Change color space to OPJ_CLRSPC_GRAY
data = data[:76] + b"\x11" + data[77:]
with Image.open(BytesIO(data)) as im:
im.load()
assert im.mode == "RGBA"
@pytest.mark.skipif(
not os.path.exists(EXTRA_DIR), reason="Extra image files not installed"
)
@ -421,6 +436,7 @@ def test_subsampling_decode(name: str) -> None:
def test_pclr() -> None:
with Image.open(f"{EXTRA_DIR}/issue104_jpxstream.jp2") as im:
assert im.mode == "P"
assert im.palette is not None
assert len(im.palette.colors) == 256
assert im.palette.colors[(255, 255, 255)] == 0
@ -428,6 +444,7 @@ def test_pclr() -> None:
f"{EXTRA_DIR}/147af3f1083de4393666b7d99b01b58b_signal_sigsegv_130c531_6155_5136.jp2"
) as im:
assert im.mode == "P"
assert im.palette is not None
assert len(im.palette.colors) == 139
assert im.palette.colors[(0, 0, 0, 0)] == 0
@ -440,8 +457,8 @@ def test_comment() -> None:
# Test an image that is truncated partway through a codestream
with open("Tests/images/comment.jp2", "rb") as fp:
b = BytesIO(fp.read(130))
with Image.open(b) as im:
pass
with Image.open(b) as im:
pass
def test_save_comment(card: ImageFile.ImageFile) -> None:

106
Tests/test_file_libtiff.py
View File

@ -36,10 +36,11 @@ class LibTiffTestCase:
im.load()
im.getdata()
assert isinstance(im, TiffImagePlugin.TiffImageFile)
assert im._compression == "group4"
# can we write it back out, in a different form.
out = str(tmp_path / "temp.png")
out = tmp_path / "temp.png"
im.save(out)
out_bytes = io.BytesIO()
@ -80,7 +81,7 @@ class TestFileLibTiff(LibTiffTestCase):
s = io.BytesIO()
with open(test_file, "rb") as f:
s.write(f.read())
s.seek(0)
s.seek(0)
with Image.open(s) as im:
assert im.size == (500, 500)
self._assert_noerr(tmp_path, im)
@ -123,7 +124,7 @@ class TestFileLibTiff(LibTiffTestCase):
"""Checking to see that the saved image is the same as what we wrote"""
test_file = "Tests/images/hopper_g4_500.tif"
with Image.open(test_file) as orig:
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
rot = orig.transpose(Image.Transpose.ROTATE_90)
assert rot.size == (500, 500)
rot.save(out)
@ -151,8 +152,9 @@ class TestFileLibTiff(LibTiffTestCase):
@pytest.mark.parametrize("legacy_api", (False, True))
def test_write_metadata(self, legacy_api: bool, tmp_path: Path) -> None:
"""Test metadata writing through libtiff"""
f = str(tmp_path / "temp.tiff")
f = tmp_path / "temp.tiff"
with Image.open("Tests/images/hopper_g4.tif") as img:
assert isinstance(img, TiffImagePlugin.TiffImageFile)
img.save(f, tiffinfo=img.tag)
if legacy_api:
@ -170,6 +172,7 @@ class TestFileLibTiff(LibTiffTestCase):
]
with Image.open(f) as loaded:
assert isinstance(loaded, TiffImagePlugin.TiffImageFile)
if legacy_api:
reloaded = loaded.tag.named()
else:
@ -212,6 +215,7 @@ class TestFileLibTiff(LibTiffTestCase):
# Exclude ones that have special meaning
# that we're already testing them
with Image.open("Tests/images/hopper_g4.tif") as im:
assert isinstance(im, TiffImagePlugin.TiffImageFile)
for tag in im.tag_v2:
try:
del core_items[tag]
@ -247,7 +251,7 @@ class TestFileLibTiff(LibTiffTestCase):
# Extra samples really doesn't make sense in this application.
del new_ifd[338]
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
monkeypatch.setattr(TiffImagePlugin, "WRITE_LIBTIFF", True)
im.save(out, tiffinfo=new_ifd)
@ -313,10 +317,11 @@ class TestFileLibTiff(LibTiffTestCase):
) -> None:
im = hopper()
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
im.save(out, tiffinfo=tiffinfo)
with Image.open(out) as reloaded:
assert isinstance(reloaded, TiffImagePlugin.TiffImageFile)
for tag, value in tiffinfo.items():
reloaded_value = reloaded.tag_v2[tag]
if (
@ -347,14 +352,16 @@ class TestFileLibTiff(LibTiffTestCase):
)
def test_osubfiletype(self, tmp_path: Path) -> None:
outfile = str(tmp_path / "temp.tif")
outfile = tmp_path / "temp.tif"
with Image.open("Tests/images/g4_orientation_6.tif") as im:
assert isinstance(im, TiffImagePlugin.TiffImageFile)
im.tag_v2[OSUBFILETYPE] = 1
im.save(outfile)
def test_subifd(self, tmp_path: Path) -> None:
outfile = str(tmp_path / "temp.tif")
outfile = tmp_path / "temp.tif"
with Image.open("Tests/images/g4_orientation_6.tif") as im:
assert isinstance(im, TiffImagePlugin.TiffImageFile)
im.tag_v2[SUBIFD] = 10000
# Should not segfault
@ -365,17 +372,18 @@ class TestFileLibTiff(LibTiffTestCase):
) -> None:
monkeypatch.setattr(TiffImagePlugin, "WRITE_LIBTIFF", True)
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
hopper().save(out, tiffinfo={700: b"xmlpacket tag"})
with Image.open(out) as reloaded:
assert isinstance(reloaded, TiffImagePlugin.TiffImageFile)
if 700 in reloaded.tag_v2:
assert reloaded.tag_v2[700] == b"xmlpacket tag"
def test_int_dpi(self, monkeypatch: pytest.MonkeyPatch, tmp_path: Path) -> None:
# issue #1765
im = hopper("RGB")
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
monkeypatch.setattr(TiffImagePlugin, "WRITE_LIBTIFF", True)
im.save(out, dpi=(72, 72))
with Image.open(out) as reloaded:
@ -383,7 +391,7 @@ class TestFileLibTiff(LibTiffTestCase):
def test_g3_compression(self, tmp_path: Path) -> None:
with Image.open("Tests/images/hopper_g4_500.tif") as i:
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
i.save(out, compression="group3")
with Image.open(out) as reread:
@ -400,7 +408,7 @@ class TestFileLibTiff(LibTiffTestCase):
assert b[0] == ord(b"\xe0")
assert b[1] == ord(b"\x01")
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
# out = "temp.le.tif"
im.save(out)
with Image.open(out) as reread:
@ -420,7 +428,7 @@ class TestFileLibTiff(LibTiffTestCase):
assert b[0] == ord(b"\x01")
assert b[1] == ord(b"\xe0")
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
im.save(out)
with Image.open(out) as reread:
assert reread.info["compression"] == im.info["compression"]
@ -430,12 +438,15 @@ class TestFileLibTiff(LibTiffTestCase):
"""Tests String data in info directory"""
test_file = "Tests/images/hopper_g4_500.tif"
with Image.open(test_file) as orig:
out = str(tmp_path / "temp.tif")
assert isinstance(orig, TiffImagePlugin.TiffImageFile)
out = tmp_path / "temp.tif"
orig.tag[269] = "temp.tif"
orig.save(out)
with Image.open(out) as reread:
assert isinstance(reread, TiffImagePlugin.TiffImageFile)
assert "temp.tif" == reread.tag_v2[269]
assert "temp.tif" == reread.tag[269][0]
@ -457,7 +468,7 @@ class TestFileLibTiff(LibTiffTestCase):
def test_blur(self, tmp_path: Path) -> None:
# test case from irc, how to do blur on b/w image
# and save to compressed tif.
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
with Image.open("Tests/images/pport_g4.tif") as im:
im = im.convert("L")
@ -470,7 +481,7 @@ class TestFileLibTiff(LibTiffTestCase):
# Test various tiff compressions and assert similar image content but reduced
# file sizes.
im = hopper("RGB")
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
im.save(out)
size_raw = os.path.getsize(out)
@ -494,7 +505,7 @@ class TestFileLibTiff(LibTiffTestCase):
def test_tiff_jpeg_compression(self, tmp_path: Path) -> None:
im = hopper("RGB")
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
im.save(out, compression="tiff_jpeg")
with Image.open(out) as reloaded:
@ -502,7 +513,7 @@ class TestFileLibTiff(LibTiffTestCase):
def test_tiff_deflate_compression(self, tmp_path: Path) -> None:
im = hopper("RGB")
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
im.save(out, compression="tiff_deflate")
with Image.open(out) as reloaded:
@ -510,7 +521,7 @@ class TestFileLibTiff(LibTiffTestCase):
def test_quality(self, tmp_path: Path) -> None:
im = hopper("RGB")
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
with pytest.raises(ValueError):
im.save(out, compression="tiff_lzw", quality=50)
@ -525,7 +536,7 @@ class TestFileLibTiff(LibTiffTestCase):
def test_cmyk_save(self, tmp_path: Path) -> None:
im = hopper("CMYK")
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
im.save(out, compression="tiff_adobe_deflate")
assert_image_equal_tofile(im, out)
@ -534,19 +545,20 @@ class TestFileLibTiff(LibTiffTestCase):
def test_palette_save(
self, im: Image.Image, monkeypatch: pytest.MonkeyPatch, tmp_path: Path
) -> None:
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
monkeypatch.setattr(TiffImagePlugin, "WRITE_LIBTIFF", True)
im.save(out)
with Image.open(out) as reloaded:
# colormap/palette tag
assert isinstance(reloaded, TiffImagePlugin.TiffImageFile)
assert len(reloaded.tag_v2[320]) == 768
@pytest.mark.parametrize("compression", ("tiff_ccitt", "group3", "group4"))
def test_bw_compression_w_rgb(self, compression: str, tmp_path: Path) -> None:
im = hopper("RGB")
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
with pytest.raises(OSError):
im.save(out, compression=compression)
@ -572,6 +584,7 @@ class TestFileLibTiff(LibTiffTestCase):
with Image.open("Tests/images/multipage.tiff") as im:
# file is a multipage tiff, 10x10 green, 10x10 red, 20x20 blue
assert isinstance(im, TiffImagePlugin.TiffImageFile)
im.seek(0)
assert im.size == (10, 10)
assert im.convert("RGB").getpixel((0, 0)) == (0, 128, 0)
@ -591,6 +604,7 @@ class TestFileLibTiff(LibTiffTestCase):
# issue #862
monkeypatch.setattr(TiffImagePlugin, "READ_LIBTIFF", True)
with Image.open("Tests/images/multipage.tiff") as im:
assert isinstance(im, TiffImagePlugin.TiffImageFile)
frames = im.n_frames
assert frames == 3
for _ in range(frames):
@ -610,6 +624,7 @@ class TestFileLibTiff(LibTiffTestCase):
def test__next(self, monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setattr(TiffImagePlugin, "READ_LIBTIFF", True)
with Image.open("Tests/images/hopper.tif") as im:
assert isinstance(im, TiffImagePlugin.TiffImageFile)
assert not im.tag.next
im.load()
assert not im.tag.next
@ -686,25 +701,29 @@ class TestFileLibTiff(LibTiffTestCase):
def test_save_ycbcr(self, tmp_path: Path) -> None:
im = hopper("YCbCr")
outfile = str(tmp_path / "temp.tif")
outfile = tmp_path / "temp.tif"
im.save(outfile, compression="jpeg")
with Image.open(outfile) as reloaded:
assert isinstance(reloaded, TiffImagePlugin.TiffImageFile)
assert reloaded.tag_v2[530] == (1, 1)
assert reloaded.tag_v2[532] == (0, 255, 128, 255, 128, 255)
def test_exif_ifd(self) -> None:
out = io.BytesIO()
with Image.open("Tests/images/tiff_adobe_deflate.tif") as im:
assert isinstance(im, TiffImagePlugin.TiffImageFile)
assert im.tag_v2[34665] == 125456
im.save(out, "TIFF")
with Image.open(out) as reloaded:
assert isinstance(reloaded, TiffImagePlugin.TiffImageFile)
assert 34665 not in reloaded.tag_v2
im.save(out, "TIFF", tiffinfo={34665: 125456})
with Image.open(out) as reloaded:
assert isinstance(reloaded, TiffImagePlugin.TiffImageFile)
if Image.core.libtiff_support_custom_tags:
assert reloaded.tag_v2[34665] == 125456
@ -713,7 +732,7 @@ class TestFileLibTiff(LibTiffTestCase):
) -> None:
# issue 1597
with Image.open("Tests/images/rdf.tif") as im:
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
monkeypatch.setattr(TiffImagePlugin, "WRITE_LIBTIFF", True)
# this shouldn't crash
@ -724,7 +743,7 @@ class TestFileLibTiff(LibTiffTestCase):
# Test TIFF with tag 297 (Page Number) having value of 0 0.
# The first number is the current page number.
# The second is the total number of pages, zero means not available.
outfile = str(tmp_path / "temp.tif")
outfile = tmp_path / "temp.tif"
# Created by printing a page in Chrome to PDF, then:
# /usr/bin/gs -q -sDEVICE=tiffg3 -sOutputFile=total-pages-zero.tif
# -dNOPAUSE /tmp/test.pdf -c quit
@ -736,7 +755,7 @@ class TestFileLibTiff(LibTiffTestCase):
def test_fd_duplication(self, tmp_path: Path) -> None:
# https://github.com/python-pillow/Pillow/issues/1651
tmpfile = str(tmp_path / "temp.tif")
tmpfile = tmp_path / "temp.tif"
with open(tmpfile, "wb") as f:
with open("Tests/images/g4-multi.tiff", "rb") as src:
f.write(src.read())
@ -779,13 +798,14 @@ class TestFileLibTiff(LibTiffTestCase):
with Image.open("Tests/images/hopper.iccprofile.tif") as img:
icc_profile = img.info["icc_profile"]
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
img.save(out, icc_profile=icc_profile)
with Image.open(out) as reloaded:
assert icc_profile == reloaded.info["icc_profile"]
def test_multipage_compression(self) -> None:
with Image.open("Tests/images/compression.tif") as im:
assert isinstance(im, TiffImagePlugin.TiffImageFile)
im.seek(0)
assert im._compression == "tiff_ccitt"
assert im.size == (10, 10)
@ -802,7 +822,7 @@ class TestFileLibTiff(LibTiffTestCase):
def test_save_tiff_with_jpegtables(self, tmp_path: Path) -> None:
# Arrange
outfile = str(tmp_path / "temp.tif")
outfile = tmp_path / "temp.tif"
# Created with ImageMagick: convert hopper.jpg hopper_jpg.tif
# Contains JPEGTables (347) tag
@ -864,7 +884,7 @@ class TestFileLibTiff(LibTiffTestCase):
self, monkeypatch: pytest.MonkeyPatch, tmp_path: Path
) -> None:
im = Image.new("F", (1, 1))
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
monkeypatch.setattr(TiffImagePlugin, "WRITE_LIBTIFF", True)
im.save(out)
@ -1008,7 +1028,7 @@ class TestFileLibTiff(LibTiffTestCase):
@pytest.mark.parametrize("compression", (None, "jpeg"))
def test_block_tile_tags(self, compression: str | None, tmp_path: Path) -> None:
im = hopper()
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
tags = {
TiffImagePlugin.TILEWIDTH: 256,
@ -1026,6 +1046,17 @@ class TestFileLibTiff(LibTiffTestCase):
with Image.open("Tests/images/old-style-jpeg-compression.tif") as im:
assert_image_equal_tofile(im, "Tests/images/old-style-jpeg-compression.png")
def test_old_style_jpeg_orientation(self) -> None:
with open("Tests/images/old-style-jpeg-compression.tif", "rb") as fp:
data = fp.read()
# Set EXIF Orientation to 2
data = data[:102] + b"\x02" + data[103:]
with Image.open(io.BytesIO(data)) as im:
im = im.transpose(Image.Transpose.FLIP_LEFT_RIGHT)
assert_image_equal_tofile(im, "Tests/images/old-style-jpeg-compression.png")
def test_open_missing_samplesperpixel(self) -> None:
with Image.open(
"Tests/images/old-style-jpeg-compression-no-samplesperpixel.tif"
@ -1079,6 +1110,7 @@ class TestFileLibTiff(LibTiffTestCase):
with Image.open("Tests/images/g4_orientation_1.tif") as base_im:
for i in range(2, 9):
with Image.open("Tests/images/g4_orientation_" + str(i) + ".tif") as im:
assert isinstance(im, TiffImagePlugin.TiffImageFile)
assert 274 in im.tag_v2
im.load()
@ -1140,16 +1172,14 @@ class TestFileLibTiff(LibTiffTestCase):
def test_realloc_overflow(self, monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setattr(TiffImagePlugin, "READ_LIBTIFF", True)
with Image.open("Tests/images/tiff_overflow_rows_per_strip.tif") as im:
with pytest.raises(OSError) as e:
im.load()
# Assert that the error code is IMAGING_CODEC_MEMORY
assert str(e.value) == "decoder error -9"
with pytest.raises(OSError, match="decoder error -9"):
im.load()
@pytest.mark.parametrize("compression", ("tiff_adobe_deflate", "jpeg"))
def test_save_multistrip(self, compression: str, tmp_path: Path) -> None:
im = hopper("RGB").resize((256, 256))
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
im.save(out, compression=compression)
with Image.open(out) as im:
@ -1162,7 +1192,7 @@ class TestFileLibTiff(LibTiffTestCase):
self, argument: bool, tmp_path: Path, monkeypatch: pytest.MonkeyPatch
) -> None:
im = hopper("RGB").resize((256, 256))
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
if not argument:
monkeypatch.setattr(TiffImagePlugin, "STRIP_SIZE", 2**18)
@ -1178,13 +1208,13 @@ class TestFileLibTiff(LibTiffTestCase):
@pytest.mark.parametrize("compression", ("tiff_adobe_deflate", None))
def test_save_zero(self, compression: str | None, tmp_path: Path) -> None:
im = Image.new("RGB", (0, 0))
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
with pytest.raises(SystemError):
im.save(out, compression=compression)
def test_save_many_compressed(self, tmp_path: Path) -> None:
im = hopper()
out = str(tmp_path / "temp.tif")
out = tmp_path / "temp.tif"
for _ in range(10000):
im.save(out, compression="jpeg")

2
Tests/test_file_libtiff_small.py
View File

@ -32,7 +32,7 @@ class TestFileLibTiffSmall(LibTiffTestCase):
s = BytesIO()
with open(test_file, "rb") as f:
s.write(f.read())
s.seek(0)
s.seek(0)
with Image.open(s) as im:
assert im.size == (128, 128)
self._assert_noerr(tmp_path, im)

5
Tests/test_file_mic.py
View File

@ -30,11 +30,13 @@ def test_sanity() -> None:
def test_n_frames() -> None:
with Image.open(TEST_FILE) as im:
assert isinstance(im, MicImagePlugin.MicImageFile)
assert im.n_frames == 1
def test_is_animated() -> None:
with Image.open(TEST_FILE) as im:
assert isinstance(im, MicImagePlugin.MicImageFile)
assert not im.is_animated
@ -55,10 +57,11 @@ def test_seek() -> None:
def test_close() -> None:
with Image.open(TEST_FILE) as im:
pass
assert isinstance(im, MicImagePlugin.MicImageFile)
assert im.ole.fp.closed
im = Image.open(TEST_FILE)
assert isinstance(im, MicImagePlugin.MicImageFile)
im.close()
assert im.ole.fp.closed

28
Tests/test_file_mpo.py
View File

@ -6,7 +6,7 @@ from typing import Any
import pytest
from PIL import Image, ImageFile, MpoImagePlugin
from PIL import Image, ImageFile, JpegImagePlugin, MpoImagePlugin
from .helper import (
assert_image_equal,
@ -29,21 +29,26 @@ def roundtrip(im: Image.Image, **options: Any) -> ImageFile.ImageFile:
@pytest.mark.parametrize("test_file", test_files)
def test_sanity(test_file: str) -> None:
with Image.open(test_file) as im:
def check(im: ImageFile.ImageFile) -> None:
im.load()
assert im.mode == "RGB"
assert im.size == (640, 480)
assert im.format == "MPO"
with Image.open(test_file) as im:
check(im)
with MpoImagePlugin.MpoImageFile(test_file) as im:
check(im)
@pytest.mark.skipif(is_pypy(), reason="Requires CPython")
def test_unclosed_file() -> None:
def open() -> None:
def open_test_image() -> None:
im = Image.open(test_files[0])
im.load()
with pytest.warns(ResourceWarning):
open()
open_test_image()
def test_closed_file() -> None:
@ -75,10 +80,11 @@ def test_context_manager() -> None:
def test_app(test_file: str) -> None:
# Test APP/COM reader (@PIL135)
with Image.open(test_file) as im:
assert isinstance(im, MpoImagePlugin.MpoImageFile)
assert im.applist[0][0] == "APP1"
assert im.applist[1][0] == "APP2"
assert (
im.applist[1][1][:16] == b"MPF\x00MM\x00*\x00\x00\x00\x08\x00\x03\xb0\x00"
assert im.applist[1][1].startswith(
b"MPF\x00MM\x00*\x00\x00\x00\x08\x00\x03\xb0\x00"
)
assert len(im.applist) == 2
@ -150,6 +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
@ -159,6 +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
@ -175,6 +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:
@ -215,12 +224,14 @@ def test_seek(test_file: str) -> None:
def test_n_frames() -> None:
with Image.open("Tests/images/sugarshack.mpo") as im:
assert isinstance(im, MpoImagePlugin.MpoImageFile)
assert im.n_frames == 2
assert im.is_animated
def test_eoferror() -> None:
with Image.open("Tests/images/sugarshack.mpo") as im:
assert isinstance(im, MpoImagePlugin.MpoImageFile)
n_frames = im.n_frames
# Test seeking past the last frame
@ -234,6 +245,8 @@ def test_eoferror() -> None:
def test_adopt_jpeg() -> None:
with Image.open("Tests/images/hopper.jpg") as im:
assert isinstance(im, JpegImagePlugin.JpegImageFile)
with pytest.raises(ValueError):
MpoImagePlugin.MpoImageFile.adopt(im)
@ -305,6 +318,9 @@ 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)

4
Tests/test_file_msp.py
View File

@ -15,7 +15,7 @@ YA_EXTRA_DIR = "Tests/images/msp"
def test_sanity(tmp_path: Path) -> None:
test_file = str(tmp_path / "temp.msp")
test_file = tmp_path / "temp.msp"
hopper("1").save(test_file)
@ -84,7 +84,7 @@ def test_msp_v2() -> None:
def test_cannot_save_wrong_mode(tmp_path: Path) -> None:
# Arrange
im = hopper()
filename = str(tmp_path / "temp.msp")
filename = tmp_path / "temp.msp"
# Act/Assert
with pytest.raises(OSError):

10
Tests/test_file_palm.py
View File

@ -14,7 +14,7 @@ from .helper import assert_image_equal, hopper, magick_command
def helper_save_as_palm(tmp_path: Path, mode: str) -> None:
# Arrange
im = hopper(mode)
outfile = str(tmp_path / ("temp_" + mode + ".palm"))
outfile = tmp_path / ("temp_" + mode + ".palm")
# Act
im.save(outfile)
@ -25,7 +25,7 @@ def helper_save_as_palm(tmp_path: Path, mode: str) -> None:
def open_with_magick(magick: list[str], tmp_path: Path, f: str) -> Image.Image:
outfile = str(tmp_path / "temp.png")
outfile = tmp_path / "temp.png"
rc = subprocess.call(
magick + [f, outfile], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT
)
@ -43,6 +43,11 @@ def roundtrip(tmp_path: Path, mode: str) -> None:
im.save(outfile)
converted = open_with_magick(magick, tmp_path, outfile)
if mode == "P":
assert converted.mode == "P"
im = im.convert("RGB")
converted = converted.convert("RGB")
assert_image_equal(converted, im)
@ -55,7 +60,6 @@ def test_monochrome(tmp_path: Path) -> None:
roundtrip(tmp_path, mode)
@pytest.mark.xfail(reason="Palm P image is wrong")
def test_p_mode(tmp_path: Path) -> None:
# Arrange
mode = "P"

32
Tests/test_file_pcx.py
View File

@ -1,5 +1,6 @@
from __future__ import annotations
import io
from pathlib import Path
import pytest
@ -10,7 +11,7 @@ from .helper import assert_image_equal, hopper
def _roundtrip(tmp_path: Path, im: Image.Image) -> None:
f = str(tmp_path / "temp.pcx")
f = tmp_path / "temp.pcx"
im.save(f)
with Image.open(f) as im2:
assert im2.mode == im.mode
@ -30,12 +31,39 @@ def test_sanity(tmp_path: Path) -> None:
_roundtrip(tmp_path, im)
# Test an unsupported mode
f = str(tmp_path / "temp.pcx")
f = tmp_path / "temp.pcx"
im = hopper("RGBA")
with pytest.raises(ValueError):
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()
data = data[:4] + b"\xff\xff" + data[6:]
b = io.BytesIO(data)
with pytest.raises(SyntaxError, match="bad PCX image size"):
with PcxImagePlugin.PcxImageFile(b):
pass
def test_unknown_mode() -> None:
with open("Tests/images/pil184.pcx", "rb") as fp:
data = fp.read()
data = data[:3] + b"\xff" + data[4:]
b = io.BytesIO(data)
with pytest.raises(OSError, match="unknown PCX mode"):
with Image.open(b):
pass
def test_invalid_file() -> None:
invalid_file = "Tests/images/flower.jpg"

22
Tests/test_file_pdf.py
View File

@ -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:
@ -55,7 +60,7 @@ def test_save_alpha(tmp_path: Path, mode: str) -> None:
def test_p_alpha(tmp_path: Path) -> None:
# Arrange
outfile = str(tmp_path / "temp.pdf")
outfile = tmp_path / "temp.pdf"
with Image.open("Tests/images/pil123p.png") as im:
assert im.mode == "P"
assert isinstance(im.info["transparency"], bytes)
@ -80,7 +85,7 @@ def test_monochrome(tmp_path: Path) -> None:
def test_unsupported_mode(tmp_path: Path) -> None:
im = hopper("PA")
outfile = str(tmp_path / "temp_PA.pdf")
outfile = tmp_path / "temp_PA.pdf"
with pytest.raises(ValueError):
im.save(outfile)
@ -89,7 +94,7 @@ def test_unsupported_mode(tmp_path: Path) -> None:
def test_resolution(tmp_path: Path) -> None:
im = hopper()
outfile = str(tmp_path / "temp.pdf")
outfile = tmp_path / "temp.pdf"
im.save(outfile, resolution=150)
with open(outfile, "rb") as fp:
@ -117,7 +122,7 @@ def test_resolution(tmp_path: Path) -> None:
def test_dpi(params: dict[str, int | tuple[int, int]], tmp_path: Path) -> None:
im = hopper()
outfile = str(tmp_path / "temp.pdf")
outfile = tmp_path / "temp.pdf"
im.save(outfile, "PDF", **params)
with open(outfile, "rb") as fp:
@ -144,7 +149,7 @@ def test_save_all(tmp_path: Path) -> None:
# Multiframe image
with Image.open("Tests/images/dispose_bgnd.gif") as im:
outfile = str(tmp_path / "temp.pdf")
outfile = tmp_path / "temp.pdf"
im.save(outfile, save_all=True)
assert os.path.isfile(outfile)
@ -177,7 +182,7 @@ def test_save_all(tmp_path: Path) -> None:
def test_multiframe_normal_save(tmp_path: Path) -> None:
# Test saving a multiframe image without save_all
with Image.open("Tests/images/dispose_bgnd.gif") as im:
outfile = str(tmp_path / "temp.pdf")
outfile = tmp_path / "temp.pdf"
im.save(outfile)
assert os.path.isfile(outfile)
@ -339,8 +344,7 @@ def test_pdf_append_to_bytesio() -> None:
assert len(f.getvalue()) > initial_size
@pytest.mark.timeout(1)
@pytest.mark.skipif("PILLOW_VALGRIND_TEST" in os.environ, reason="Valgrind is slower")
@timeout_unless_slower_valgrind(1)
@pytest.mark.parametrize("newline", (b"\r", b"\n"))
def test_redos(newline: bytes) -> None:
malicious = b" trailer<<>>" + newline * 3456

51
Tests/test_file_png.py
View File

@ -68,7 +68,7 @@ def roundtrip(im: Image.Image, **options: Any) -> PngImagePlugin.PngImageFile:
@skip_unless_feature("zlib")
class TestFilePng:
def get_chunks(self, filename: str) -> list[bytes]:
def get_chunks(self, filename: Path) -> list[bytes]:
chunks = []
with open(filename, "rb") as fp:
fp.read(8)
@ -89,7 +89,7 @@ class TestFilePng:
assert version is not None
assert re.search(r"\d+(\.\d+){1,3}(\.zlib\-ng)?$", version)
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
hopper("RGB").save(test_file)
@ -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)
@ -250,7 +250,7 @@ class TestFilePng:
# each palette entry
assert len(im.info["transparency"]) == 256
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
im.save(test_file)
# check if saved image contains same transparency
@ -271,7 +271,7 @@ class TestFilePng:
assert im.info["transparency"] == 164
assert im.getpixel((31, 31)) == 164
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
im.save(test_file)
# check if saved image contains same transparency
@ -294,7 +294,7 @@ class TestFilePng:
assert im.getcolors() == [(100, (0, 0, 0, 0))]
im = im.convert("P")
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
im.save(test_file)
# check if saved image contains same transparency
@ -315,7 +315,7 @@ class TestFilePng:
im_rgba = im.convert("RGBA")
assert im_rgba.getchannel("A").getcolors()[0][0] == num_transparent
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
im.save(test_file)
with Image.open(test_file) as test_im:
@ -329,7 +329,7 @@ class TestFilePng:
def test_save_rgb_single_transparency(self, tmp_path: Path) -> None:
in_file = "Tests/images/caption_6_33_22.png"
with Image.open(in_file) as im:
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
im.save(test_file)
def test_load_verify(self) -> None:
@ -488,7 +488,7 @@ class TestFilePng:
im = hopper("P")
im.info["transparency"] = 0
f = str(tmp_path / "temp.png")
f = tmp_path / "temp.png"
im.save(f)
with Image.open(f) as im2:
@ -549,7 +549,7 @@ class TestFilePng:
def test_chunk_order(self, tmp_path: Path) -> None:
with Image.open("Tests/images/icc_profile.png") as im:
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
im.convert("P").save(test_file, dpi=(100, 100))
chunks = self.get_chunks(test_file)
@ -576,6 +576,7 @@ class TestFilePng:
def test_read_private_chunks(self) -> None:
with Image.open("Tests/images/exif.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert im.private_chunks == [(b"orNT", b"\x01")]
def test_roundtrip_private_chunk(self) -> None:
@ -598,6 +599,7 @@ class TestFilePng:
def test_textual_chunks_after_idat(self, monkeypatch: pytest.MonkeyPatch) -> None:
with Image.open("Tests/images/hopper.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert "comment" in im.text
for k, v in {
"date:create": "2014-09-04T09:37:08+03:00",
@ -607,15 +609,19 @@ class TestFilePng:
# Raises a SyntaxError in load_end
with Image.open("Tests/images/broken_data_stream.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
with pytest.raises(OSError):
assert isinstance(im.text, dict)
# Raises an EOFError in load_end
with Image.open("Tests/images/hopper_idat_after_image_end.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
assert im.text == {"TXT": "VALUE", "ZIP": "VALUE"}
# Raises a UnicodeDecodeError in load_end
with Image.open("Tests/images/truncated_image.png") as im:
assert isinstance(im, PngImagePlugin.PngImageFile)
# The file is truncated
with pytest.raises(OSError):
im.text
@ -661,7 +667,7 @@ class TestFilePng:
def test_specify_bits(self, save_all: bool, tmp_path: Path) -> None:
im = hopper("P")
out = str(tmp_path / "temp.png")
out = tmp_path / "temp.png"
im.save(out, bits=4, save_all=save_all)
with Image.open(out) as reloaded:
@ -671,8 +677,8 @@ class TestFilePng:
im = Image.new("P", (1, 1))
im.putpalette((1, 1, 1))
out = str(tmp_path / "temp.png")
im.save(str(tmp_path / "temp.png"))
out = tmp_path / "temp.png"
im.save(out)
with Image.open(out) as reloaded:
assert len(reloaded.png.im_palette[1]) == 3
@ -721,11 +727,12 @@ class TestFilePng:
def test_exif_save(self, tmp_path: Path) -> None:
# Test exif is not saved from info
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
with Image.open("Tests/images/exif.png") as im:
im.save(test_file)
with Image.open(test_file) as reloaded:
assert isinstance(reloaded, PngImagePlugin.PngImageFile)
assert reloaded._getexif() is None
# Test passing in exif
@ -741,7 +748,7 @@ class TestFilePng:
)
def test_exif_from_jpg(self, tmp_path: Path) -> None:
with Image.open("Tests/images/pil_sample_rgb.jpg") as im:
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
im.save(test_file, exif=im.getexif())
with Image.open(test_file) as reloaded:
@ -750,7 +757,7 @@ class TestFilePng:
def test_exif_argument(self, tmp_path: Path) -> None:
with Image.open(TEST_PNG_FILE) as im:
test_file = str(tmp_path / "temp.png")
test_file = tmp_path / "temp.png"
im.save(test_file, exif=b"exifstring")
with Image.open(test_file) as reloaded:
@ -794,6 +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")

55
Tests/test_file_ppm.py
View File

@ -79,6 +79,7 @@ def test_arbitrary_maxval(
assert im.mode == mode
px = im.load()
assert px is not None
assert tuple(px[x, 0] for x in range(3)) == pixels
@ -93,7 +94,7 @@ def test_16bit_pgm() -> None:
def test_16bit_pgm_write(tmp_path: Path) -> None:
with Image.open("Tests/images/16_bit_binary.pgm") as im:
filename = str(tmp_path / "temp.pgm")
filename = tmp_path / "temp.pgm"
im.save(filename, "PPM")
assert_image_equal_tofile(im, filename)
@ -105,7 +106,7 @@ def test_pnm(tmp_path: Path) -> None:
with Image.open("Tests/images/hopper.pnm") as im:
assert_image_similar(im, hopper(), 0.0001)
filename = str(tmp_path / "temp.pnm")
filename = tmp_path / "temp.pnm"
im.save(filename)
assert_image_equal_tofile(im, filename)
@ -116,7 +117,7 @@ def test_pfm(tmp_path: Path) -> None:
assert im.info["scale"] == 1.0
assert_image_equal(im, hopper("F"))
filename = str(tmp_path / "tmp.pfm")
filename = tmp_path / "tmp.pfm"
im.save(filename)
assert_image_equal_tofile(im, filename)
@ -127,7 +128,7 @@ def test_pfm_big_endian(tmp_path: Path) -> None:
assert im.info["scale"] == 2.5
assert_image_equal(im, hopper("F"))
filename = str(tmp_path / "tmp.pfm")
filename = tmp_path / "tmp.pfm"
im.save(filename)
assert_image_equal_tofile(im, filename)
@ -193,8 +194,8 @@ def test_16bit_plain_pgm() -> None:
def test_plain_data_with_comment(
tmp_path: Path, header: bytes, data: bytes, comment_count: int
) -> None:
path1 = str(tmp_path / "temp1.ppm")
path2 = str(tmp_path / "temp2.ppm")
path1 = tmp_path / "temp1.ppm"
path2 = tmp_path / "temp2.ppm"
comment = b"# comment" * comment_count
with open(path1, "wb") as f1, open(path2, "wb") as f2:
f1.write(header + b"\n\n" + data)
@ -206,7 +207,7 @@ def test_plain_data_with_comment(
@pytest.mark.parametrize("data", (b"P1\n128 128\n", b"P3\n128 128\n255\n"))
def test_plain_truncated_data(tmp_path: Path, data: bytes) -> None:
path = str(tmp_path / "temp.ppm")
path = tmp_path / "temp.ppm"
with open(path, "wb") as f:
f.write(data)
@ -217,7 +218,7 @@ def test_plain_truncated_data(tmp_path: Path, data: bytes) -> None:
@pytest.mark.parametrize("data", (b"P1\n128 128\n1009", b"P3\n128 128\n255\n100A"))
def test_plain_invalid_data(tmp_path: Path, data: bytes) -> None:
path = str(tmp_path / "temp.ppm")
path = tmp_path / "temp.ppm"
with open(path, "wb") as f:
f.write(data)
@ -234,7 +235,7 @@ def test_plain_invalid_data(tmp_path: Path, data: bytes) -> None:
),
)
def test_plain_ppm_token_too_long(tmp_path: Path, data: bytes) -> None:
path = str(tmp_path / "temp.ppm")
path = tmp_path / "temp.ppm"
with open(path, "wb") as f:
f.write(data)
@ -244,7 +245,7 @@ def test_plain_ppm_token_too_long(tmp_path: Path, data: bytes) -> None:
def test_plain_ppm_value_negative(tmp_path: Path) -> None:
path = str(tmp_path / "temp.ppm")
path = tmp_path / "temp.ppm"
with open(path, "wb") as f:
f.write(b"P3\n128 128\n255\n-1")
@ -254,7 +255,7 @@ def test_plain_ppm_value_negative(tmp_path: Path) -> None:
def test_plain_ppm_value_too_large(tmp_path: Path) -> None:
path = str(tmp_path / "temp.ppm")
path = tmp_path / "temp.ppm"
with open(path, "wb") as f:
f.write(b"P3\n128 128\n255\n256")
@ -269,7 +270,7 @@ def test_magic() -> None:
def test_header_with_comments(tmp_path: Path) -> None:
path = str(tmp_path / "temp.ppm")
path = tmp_path / "temp.ppm"
with open(path, "wb") as f:
f.write(b"P6 #comment\n#comment\r12#comment\r8\n128 #comment\n255\n")
@ -278,7 +279,7 @@ def test_header_with_comments(tmp_path: Path) -> None:
def test_non_integer_token(tmp_path: Path) -> None:
path = str(tmp_path / "temp.ppm")
path = tmp_path / "temp.ppm"
with open(path, "wb") as f:
f.write(b"P6\nTEST")
@ -287,30 +288,28 @@ def test_non_integer_token(tmp_path: Path) -> None:
pass
def test_header_token_too_long(tmp_path: Path) -> None:
path = str(tmp_path / "temp.ppm")
@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) as e:
with Image.open(path):
pass
assert str(e.value) == "Token too long in file header: 01234567890"
assert "Token too long in file header: " in repr(e)
def test_truncated_file(tmp_path: Path) -> None:
# Test EOF in header
path = str(tmp_path / "temp.pgm")
path = tmp_path / "temp.pgm"
with open(path, "wb") as f:
f.write(b"P6")
with pytest.raises(ValueError) as e:
with pytest.raises(ValueError, match="Reached EOF while reading header"):
with Image.open(path):
pass
assert str(e.value) == "Reached EOF while reading header"
# Test EOF for PyDecoder
fp = BytesIO(b"P5 3 1 4")
with Image.open(fp) as im:
@ -319,7 +318,7 @@ def test_truncated_file(tmp_path: Path) -> None:
def test_not_enough_image_data(tmp_path: Path) -> None:
path = str(tmp_path / "temp.ppm")
path = tmp_path / "temp.ppm"
with open(path, "wb") as f:
f.write(b"P2 1 2 255 255")
@ -330,16 +329,16 @@ def test_not_enough_image_data(tmp_path: Path) -> None:
@pytest.mark.parametrize("maxval", (b"0", b"65536"))
def test_invalid_maxval(maxval: bytes, tmp_path: Path) -> None:
path = str(tmp_path / "temp.ppm")
path = tmp_path / "temp.ppm"
with open(path, "wb") as f:
f.write(b"P6\n3 1 " + maxval)
with pytest.raises(ValueError) as e:
with pytest.raises(
ValueError, match="maxval must be greater than 0 and less than 65536"
):
with Image.open(path):
pass
assert str(e.value) == "maxval must be greater than 0 and less than 65536"
def test_neg_ppm() -> None:
# Storage.c accepted negative values for xsize, ysize. the
@ -353,7 +352,7 @@ def test_neg_ppm() -> None:
def test_mimetypes(tmp_path: Path) -> None:
path = str(tmp_path / "temp.pgm")
path = tmp_path / "temp.pgm"
with open(path, "wb") as f:
f.write(b"P4\n128 128\n255")

11
Tests/test_file_psd.py
View File

@ -25,12 +25,12 @@ def test_sanity() -> None:
@pytest.mark.skipif(is_pypy(), reason="Requires CPython")
def test_unclosed_file() -> None:
def open() -> None:
def open_test_image() -> None:
im = Image.open(test_file)
im.load()
with pytest.warns(ResourceWarning):
open()
open_test_image()
def test_closed_file() -> None:
@ -59,17 +59,21 @@ def test_invalid_file() -> None:
def test_n_frames() -> None:
with Image.open("Tests/images/hopper_merged.psd") as im:
assert isinstance(im, PsdImagePlugin.PsdImageFile)
assert im.n_frames == 1
assert not im.is_animated
for path in [test_file, "Tests/images/negative_layer_count.psd"]:
with Image.open(path) as im:
assert isinstance(im, PsdImagePlugin.PsdImageFile)
assert im.n_frames == 2
assert im.is_animated
def test_eoferror() -> None:
with Image.open(test_file) as im:
assert isinstance(im, PsdImagePlugin.PsdImageFile)
# PSD seek index starts at 1 rather than 0
n_frames = im.n_frames + 1
@ -119,11 +123,13 @@ def test_rgba() -> None:
def test_negative_top_left_layer() -> None:
with Image.open("Tests/images/negative_top_left_layer.psd") as im:
assert isinstance(im, PsdImagePlugin.PsdImageFile)
assert im.layers[0][2] == (-50, -50, 50, 50)
def test_layer_skip() -> None:
with Image.open("Tests/images/five_channels.psd") as im:
assert isinstance(im, PsdImagePlugin.PsdImageFile)
assert im.n_frames == 1
@ -175,5 +181,6 @@ def test_crashes(test_file: str, raises: type[Exception]) -> None:
def test_layer_crashes(test_file: str) -> None:
with open(test_file, "rb") as f:
with Image.open(f) as im:
assert isinstance(im, PsdImagePlugin.PsdImageFile)
with pytest.raises(SyntaxError):
im.layers

29
Tests/test_file_qoi.py
View File

@ -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)

50
Tests/test_file_sgi.py
View File

@ -1,5 +1,6 @@
from __future__ import annotations
from io import BytesIO
from pathlib import Path
import pytest
@ -71,31 +72,42 @@ def test_invalid_file() -> None:
SgiImagePlugin.SgiImageFile(invalid_file)
def test_write(tmp_path: Path) -> None:
def roundtrip(img: Image.Image) -> None:
out = str(tmp_path / "temp.sgi")
img.save(out, format="sgi")
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")
assert_image_equal_tofile(img, out)
out = tmp_path / "fp.sgi"
with open(out, "wb") as fp:
img.save(fp)
assert_image_equal_tofile(img, out)
out = str(tmp_path / "fp.sgi")
with open(out, "wb") as fp:
img.save(fp)
assert_image_equal_tofile(img, out)
assert not fp.closed
assert not fp.closed
for mode in ("L", "RGB", "RGBA"):
roundtrip(hopper(mode))
@pytest.mark.parametrize("mode", ("L", "RGB", "RGBA"))
def test_write(mode: str, tmp_path: Path) -> None:
roundtrip(hopper(mode), tmp_path)
# Test 1 dimension for an L mode image
roundtrip(Image.new("L", (10, 1)))
def test_write_L_mode_1_dimension(tmp_path: Path) -> None:
roundtrip(Image.new("L", (10, 1)), tmp_path)
def test_write16(tmp_path: Path) -> None:
test_file = "Tests/images/hopper16.rgb"
with Image.open(test_file) as im:
out = str(tmp_path / "temp.sgi")
out = tmp_path / "temp.sgi"
im.save(out, format="sgi", bpc=2)
assert_image_equal_tofile(im, out)
@ -103,7 +115,15 @@ def test_write16(tmp_path: Path) -> None:
def test_unsupported_mode(tmp_path: Path) -> None:
im = hopper("LA")
out = str(tmp_path / "temp.sgi")
out = tmp_path / "temp.sgi"
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)

7
Tests/test_file_spider.py
View File

@ -24,12 +24,12 @@ def test_sanity() -> None:
@pytest.mark.skipif(is_pypy(), reason="Requires CPython")
def test_unclosed_file() -> None:
def open() -> None:
def open_test_image() -> None:
im = Image.open(TEST_FILE)
im.load()
with pytest.warns(ResourceWarning):
open()
open_test_image()
def test_closed_file() -> None:
@ -51,7 +51,7 @@ def test_context_manager() -> None:
def test_save(tmp_path: Path) -> None:
# Arrange
temp = str(tmp_path / "temp.spider")
temp = tmp_path / "temp.spider"
im = hopper()
# Act
@ -96,6 +96,7 @@ def test_tell() -> None:
def test_n_frames() -> None:
with Image.open(TEST_FILE) as im:
assert isinstance(im, SpiderImagePlugin.SpiderImageFile)
assert im.n_frames == 1
assert not im.is_animated

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