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Merge branch 'main' into buffer-updates

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Andrew Murray 2024-07-19 21:56:16 +10:00 committed by GitHub
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299 changed files with 6928 additions and 3896 deletions
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12
.appveyor.yml
View File

@ -21,9 +21,9 @@ environment:
- PYTHON: C:/Python312
ARCHITECTURE: x86
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
- PYTHON: C:/Python38-x64
- PYTHON: C:/Python39-x64
ARCHITECTURE: AMD64
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
install:
@ -32,13 +32,13 @@ install:
- curl -fsSL -o pillow-test-images.zip https://github.com/python-pillow/test-images/archive/main.zip
- 7z x pillow-test-images.zip -oc:\
- xcopy /S /Y c:\test-images-main\* c:\pillow\tests\images
- curl -fsSL -o nasm-win64.zip https://raw.githubusercontent.com/python-pillow/pillow-depends/main/nasm-2.16.01-win64.zip
- curl -fsSL -o nasm-win64.zip https://raw.githubusercontent.com/python-pillow/pillow-depends/main/nasm-2.16.03-win64.zip
- 7z x nasm-win64.zip -oc:\
- choco install ghostscript --version=10.3.0
- path c:\nasm-2.16.01;C:\Program Files\gs\gs10.00.0\bin;%PATH%
- choco install ghostscript --version=10.3.1
- path c:\nasm-2.16.03;C:\Program Files\gs\gs10.03.1\bin;%PATH%
- cd c:\pillow\winbuild\
- ps: |
c:\python38\python.exe c:\pillow\winbuild\build_prepare.py -v --depends=C:\pillow-depends\
c:\python39\python.exe c:\pillow\winbuild\build_prepare.py -v --depends=C:\pillow-depends\
c:\pillow\winbuild\build\build_dep_all.cmd
$host.SetShouldExit(0)
- path C:\pillow\winbuild\build\bin;%PATH%

14
.ci/install.sh
View File

@ -28,8 +28,6 @@ fi
python3 -m pip install --upgrade pip
python3 -m pip install --upgrade wheel
# TODO Update condition when cffi supports 3.13
if ! [[ "$GHA_PYTHON_VERSION" == "3.13" ]]; then PYTHONOPTIMIZE=0 python3 -m pip install cffi ; fi
python3 -m pip install coverage
python3 -m pip install defusedxml
python3 -m pip install olefile
@ -39,19 +37,23 @@ python3 -m pip install -U pytest-timeout
python3 -m pip install pyroma
if [[ $(uname) != CYGWIN* ]]; then
# TODO Update condition when NumPy supports 3.13
if ! [[ "$GHA_PYTHON_VERSION" == "3.13" ]]; then python3 -m pip install numpy ; fi
# TODO Update condition when NumPy supports free-threading
if [[ "$PYTHON_GIL" == "0" ]]; then
python3 -m pip install numpy --index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple
else
python3 -m pip install numpy
fi
# PyQt6 doesn't support PyPy3
if [[ $GHA_PYTHON_VERSION == 3.* ]]; then
sudo apt-get -qq install libegl1 libxcb-cursor0 libxcb-icccm4 libxcb-image0 libxcb-keysyms1 libxcb-randr0 libxcb-render-util0 libxcb-shape0 libxkbcommon-x11-0
python3 -m pip install pyqt6
# TODO Update condition when pyqt6 supports free-threading
if ! [[ "$PYTHON_GIL" == "0" ]]; then python3 -m pip install pyqt6 ; fi
fi
# Pyroma uses non-isolated build and fails with old setuptools
if [[
$GHA_PYTHON_VERSION == pypy3.9
|| $GHA_PYTHON_VERSION == 3.8
|| $GHA_PYTHON_VERSION == 3.9
]]; then
# To match pyproject.toml

2
.ci/requirements-cibw.txt
View File

@ -1 +1 @@
cibuildwheel==2.18.1
cibuildwheel==2.19.2

2
.ci/requirements-mypy.txt
View File

@ -1 +1 @@
mypy==1.10.0
mypy==1.10.1

2
.clang-format
View File

@ -3,7 +3,7 @@
BasedOnStyle: Google
AlwaysBreakAfterReturnType: All
AllowShortIfStatementsOnASingleLine: false
AlignAfterOpenBracket: AlwaysBreak
AlignAfterOpenBracket: BlockIndent
BinPackArguments: false
BinPackParameters: false
BreakBeforeBraces: Attach

1
.coveragerc
View File

@ -19,6 +19,5 @@ exclude_also =
[run]
omit =
Tests/32bit_segfault_check.py
Tests/bench_cffi_access.py
Tests/check_*.py
Tests/createfontdatachunk.py

2
.github/workflows/cifuzz.yml vendored
View File

@ -24,6 +24,8 @@ concurrency:
jobs:
Fuzzing:
# Disabled until google/oss-fuzz#11419 upgrades Python to 3.9+
if: false
runs-on: ubuntu-latest
steps:
- name: Build Fuzzers

13
.github/workflows/macos-install.sh vendored
View File

@ -7,16 +7,17 @@ brew install \
ghostscript \
libimagequant \
libjpeg \
libraqm \
libtiff \
little-cms2 \
openjpeg \
webp
if [[ "$ImageOS" == "macos13" ]]; then
brew install --ignore-dependencies libraqm
else
brew install libraqm
fi
export PKG_CONFIG_PATH="/usr/local/opt/openblas/lib/pkgconfig"
# TODO Update condition when cffi supports 3.13
if ! [[ "$GHA_PYTHON_VERSION" == "3.13" ]]; then PYTHONOPTIMIZE=0 python3 -m pip install cffi ; fi
python3 -m pip install coverage
python3 -m pip install defusedxml
python3 -m pip install olefile
@ -24,9 +25,7 @@ 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
# TODO Update condition when NumPy supports 3.13
if ! [[ "$GHA_PYTHON_VERSION" == "3.13" ]]; then python3 -m pip install numpy ; fi
python3 -m pip install numpy
# extra test images
pushd depends && ./install_extra_test_images.sh && popd

3
.github/workflows/test-cygwin.yml vendored
View File

@ -35,7 +35,7 @@ jobs:
strategy:
fail-fast: false
matrix:
python-minor-version: [8, 9]
python-minor-version: [9]
timeout-minutes: 40
@ -72,7 +72,6 @@ jobs:
make
netpbm
perl
python3${{ matrix.python-minor-version }}-cffi
python3${{ matrix.python-minor-version }}-cython
python3${{ matrix.python-minor-version }}-devel
python3${{ matrix.python-minor-version }}-numpy

2
.github/workflows/test-docker.yml vendored
View File

@ -44,13 +44,11 @@ jobs:
amazon-2023-amd64,
arch,
centos-stream-9-amd64,
debian-11-bullseye-amd64,
debian-12-bookworm-x86,
debian-12-bookworm-amd64,
fedora-39-amd64,
fedora-40-amd64,
gentoo,
ubuntu-20.04-focal-amd64,
ubuntu-22.04-jammy-amd64,
ubuntu-24.04-noble-amd64,
]

1
.github/workflows/test-mingw.yml vendored
View File

@ -64,7 +64,6 @@ jobs:
mingw-w64-x86_64-libtiff \
mingw-w64-x86_64-libwebp \
mingw-w64-x86_64-openjpeg2 \
mingw-w64-x86_64-python3-cffi \
mingw-w64-x86_64-python3-numpy \
mingw-w64-x86_64-python3-olefile \
mingw-w64-x86_64-python3-setuptools \

4
.github/workflows/test-windows.yml vendored
View File

@ -35,7 +35,7 @@ jobs:
strategy:
fail-fast: false
matrix:
python-version: ["pypy3.10", "pypy3.9", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
python-version: ["pypy3.10", "pypy3.9", "3.9", "3.10", "3.11", "3.12", "3.13"]
timeout-minutes: 30
@ -86,7 +86,7 @@ jobs:
choco install nasm --no-progress
echo "C:\Program Files\NASM" >> $env:GITHUB_PATH
choco install ghostscript --version=10.3.0 --no-progress
choco install ghostscript --version=10.3.1 --no-progress
echo "C:\Program Files\gs\gs10.00.0\bin" >> $env:GITHUB_PATH
# Install extra test images

35
.github/workflows/test.yml vendored
View File

@ -48,33 +48,26 @@ jobs:
"3.11",
"3.10",
"3.9",
"3.8",
]
include:
- python-version: "3.11"
PYTHONOPTIMIZE: 1
REVERSE: "--reverse"
- python-version: "3.10"
PYTHONOPTIMIZE: 2
- { python-version: "3.11", PYTHONOPTIMIZE: 1, REVERSE: "--reverse" }
- { python-version: "3.10", PYTHONOPTIMIZE: 2 }
# Free-threaded
- { os: "ubuntu-latest", python-version: "3.13-dev", disable-gil: true }
# M1 only available for 3.10+
- os: "macos-13"
python-version: "3.9"
- os: "macos-13"
python-version: "3.8"
- { os: "macos-13", python-version: "3.9" }
exclude:
- os: "macos-14"
python-version: "3.9"
- os: "macos-14"
python-version: "3.8"
- { os: "macos-14", python-version: "3.9" }
runs-on: ${{ matrix.os }}
name: ${{ matrix.os }} Python ${{ matrix.python-version }}
name: ${{ matrix.os }} Python ${{ matrix.python-version }} ${{ matrix.disable-gil && 'free-threaded' || '' }}
steps:
- uses: actions/checkout@v4
- name: Set up Python ${{ matrix.python-version }}
uses: actions/setup-python@v5
if: "${{ !matrix.disable-gil }}"
with:
python-version: ${{ matrix.python-version }}
allow-prereleases: true
@ -83,6 +76,18 @@ jobs:
".ci/*.sh"
"pyproject.toml"
- name: Set up Python ${{ matrix.python-version }} (free-threaded)
uses: deadsnakes/action@v3.1.0
if: "${{ matrix.disable-gil }}"
with:
python-version: ${{ matrix.python-version }}
nogil: ${{ matrix.disable-gil }}
- name: Set PYTHON_GIL
if: "${{ matrix.disable-gil }}"
run: |
echo "PYTHON_GIL=0" >> $GITHUB_ENV
- name: Build system information
run: python3 .github/workflows/system-info.py

10
.github/workflows/wheels-dependencies.sh vendored
View File

@ -16,9 +16,9 @@ ARCHIVE_SDIR=pillow-depends-main
# Package versions for fresh source builds
FREETYPE_VERSION=2.13.2
HARFBUZZ_VERSION=8.4.0
HARFBUZZ_VERSION=8.5.0
LIBPNG_VERSION=1.6.43
JPEGTURBO_VERSION=3.0.2
JPEGTURBO_VERSION=3.0.3
OPENJPEG_VERSION=2.5.2
XZ_VERSION=5.4.5
TIFF_VERSION=4.6.0
@ -33,9 +33,9 @@ if [[ -n "$IS_MACOS" ]] || [[ "$MB_ML_VER" != 2014 ]]; then
else
ZLIB_VERSION=1.2.8
fi
LIBWEBP_VERSION=1.3.2
LIBWEBP_VERSION=1.4.0
BZIP2_VERSION=1.0.8
LIBXCB_VERSION=1.16.1
LIBXCB_VERSION=1.17.0
BROTLI_VERSION=1.1.0
if [[ -n "$IS_MACOS" ]] && [[ "$CIBW_ARCHS" == "x86_64" ]]; then
@ -70,7 +70,7 @@ function build {
fi
build_new_zlib
build_simple xcb-proto 1.16.0 https://xorg.freedesktop.org/archive/individual/proto
build_simple xcb-proto 1.17.0 https://xorg.freedesktop.org/archive/individual/proto
if [ -n "$IS_MACOS" ]; then
build_simple xorgproto 2024.1 https://www.x.org/pub/individual/proto
build_simple libXau 1.0.11 https://www.x.org/pub/individual/lib

6
.github/workflows/wheels-test.sh vendored
View File

@ -12,8 +12,14 @@ elif [ "${AUDITWHEEL_POLICY::9}" == "musllinux" ]; then
else
yum install -y fribidi
fi
if [ "${AUDITWHEEL_POLICY::9}" != "musllinux" ]; then
# TODO Update condition when NumPy supports free-threading
if [ $(python3 -c "import sysconfig;print(sysconfig.get_config_var('Py_GIL_DISABLED'))") == "1" ]; then
python3 -m pip install numpy --index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple
else
python3 -m pip install numpy
fi
fi
if [ ! -d "test-images-main" ]; then

42
.github/workflows/wheels.yml vendored
View File

@ -1,6 +1,14 @@
name: Wheels
on:
schedule:
# ┌───────────── minute (0 - 59)
# │ ┌───────────── hour (0 - 23)
# │ │ ┌───────────── day of the month (1 - 31)
# │ │ │ ┌───────────── month (1 - 12 or JAN-DEC)
# │ │ │ │ ┌───────────── day of the week (0 - 6 or SUN-SAT)
# │ │ │ │ │
- cron: "42 1 * * 0,3"
push:
paths:
- ".ci/requirements-cibw.txt"
@ -33,6 +41,7 @@ env:
jobs:
build-1-QEMU-emulated-wheels:
if: github.event_name != 'schedule' && github.event_name != 'workflow_dispatch'
name: aarch64 ${{ matrix.python-version }} ${{ matrix.spec }}
runs-on: ubuntu-latest
strategy:
@ -41,11 +50,8 @@ jobs:
python-version:
- pp39
- pp310
- cp38
- cp39
- cp310
- cp311
- cp312
- cp3{9,10,11}
- cp3{12,13}
spec:
- manylinux2014
- manylinux_2_28
@ -80,6 +86,7 @@ jobs:
CIBW_ARCHS: "aarch64"
# Likewise, select only one Python version per job to speed this up.
CIBW_BUILD: "${{ matrix.python-version }}-${{ matrix.spec == 'musllinux' && 'musllinux' || 'manylinux' }}*"
CIBW_PRERELEASE_PYTHONS: True
# Extra options for manylinux.
CIBW_MANYLINUX_AARCH64_IMAGE: ${{ matrix.spec }}
CIBW_MANYLINUX_PYPY_AARCH64_IMAGE: ${{ matrix.spec }}
@ -131,10 +138,10 @@ jobs:
env:
CIBW_ARCHS: ${{ matrix.cibw_arch }}
CIBW_BUILD: ${{ matrix.build }}
CIBW_FREE_THREADED_SUPPORT: True
CIBW_MANYLINUX_PYPY_X86_64_IMAGE: ${{ matrix.manylinux }}
CIBW_MANYLINUX_X86_64_IMAGE: ${{ matrix.manylinux }}
CIBW_SKIP: pp38-*
CIBW_TEST_SKIP: cp38-macosx_arm64
CIBW_PRERELEASE_PYTHONS: True
MACOSX_DEPLOYMENT_TARGET: ${{ matrix.macosx_deployment_target }}
- uses: actions/upload-artifact@v4
@ -204,7 +211,8 @@ jobs:
CIBW_ARCHS: ${{ matrix.cibw_arch }}
CIBW_BEFORE_ALL: "{package}\\winbuild\\build\\build_dep_all.cmd"
CIBW_CACHE_PATH: "C:\\cibw"
CIBW_SKIP: pp38-*
CIBW_FREE_THREADED_SUPPORT: True
CIBW_PRERELEASE_PYTHONS: True
CIBW_TEST_SKIP: "*-win_arm64"
CIBW_TEST_COMMAND: 'docker run --rm
-v {project}:C:\pillow
@ -228,6 +236,7 @@ jobs:
path: winbuild\build\bin\fribidi*
sdist:
if: github.event_name != 'schedule'
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
@ -246,6 +255,23 @@ jobs:
name: dist-sdist
path: dist/*.tar.gz
scientific-python-nightly-wheels-publish:
if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
needs: [build-2-native-wheels, windows]
runs-on: ubuntu-latest
name: Upload wheels to scientific-python-nightly-wheels
steps:
- uses: actions/download-artifact@v4
with:
pattern: dist-*
path: dist
merge-multiple: true
- name: Upload wheels to scientific-python-nightly-wheels
uses: scientific-python/upload-nightly-action@b67d7fcc0396e1128a474d1ab2b48aa94680f9fc # 0.5.0
with:
artifacts_path: dist
anaconda_nightly_upload_token: ${{ secrets.ANACONDA_ORG_UPLOAD_TOKEN }}
pypi-publish:
if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags')
needs: [build-1-QEMU-emulated-wheels, build-2-native-wheels, windows, sdist]

12
.pre-commit-config.yaml
View File

@ -1,6 +1,6 @@
repos:
- repo: https://github.com/astral-sh/ruff-pre-commit
rev: v0.4.3
rev: v0.5.0
hooks:
- id: ruff
args: [--exit-non-zero-on-fix]
@ -11,7 +11,7 @@ repos:
- id: black
- repo: https://github.com/PyCQA/bandit
rev: 1.7.8
rev: 1.7.9
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: v18.1.4
rev: v18.1.8
hooks:
- id: clang-format
types: [c]
@ -50,7 +50,7 @@ repos:
exclude: ^.github/.*TEMPLATE|^Tests/(fonts|images)/
- repo: https://github.com/python-jsonschema/check-jsonschema
rev: 0.28.2
rev: 0.28.6
hooks:
- id: check-github-workflows
- id: check-readthedocs
@ -62,12 +62,12 @@ repos:
- id: sphinx-lint
- repo: https://github.com/tox-dev/pyproject-fmt
rev: 1.8.0
rev: 2.1.3
hooks:
- id: pyproject-fmt
- repo: https://github.com/abravalheri/validate-pyproject
rev: v0.16
rev: v0.18
hooks:
- id: validate-pyproject

2
.readthedocs.yml
View File

@ -3,7 +3,7 @@ version: 2
formats: [pdf]
build:
os: ubuntu-22.04
os: ubuntu-lts-latest
tools:
python: "3"
jobs:

119
CHANGES.rst
View File

@ -2,9 +2,126 @@
Changelog (Pillow)
==================
10.4.0 (unreleased)
11.0.0 (unreleased)
-------------------
- Deprecate ImageMath lambda_eval and unsafe_eval options argument #8242
[radarhere]
- Changed ContainerIO to subclass IO #8240
[radarhere]
- Move away from APIs that use borrowed references under the free-threaded build #8216
[hugovk, lysnikolaou]
- Allow size argument to resize() to be a NumPy array #8201
[radarhere]
- Drop support for Python 3.8 #8183
[hugovk, radarhere]
- Add support for Python 3.13 #8181
[hugovk, radarhere]
- Fix incompatibility with NumPy 1.20 #8187
[neutrinoceros, radarhere]
- Remove PSFile, PyAccess and USE_CFFI_ACCESS #8182
[hugovk, radarhere]
10.4.0 (2024-07-01)
-------------------
- Raise FileNotFoundError if show_file() path does not exist #8178
[radarhere]
- Improved reading 16-bit TGA images with colour #7965
[Yay295, radarhere]
- Deprecate non-image ImageCms modes #8031
[radarhere]
- Fixed processing multiple JPEG EXIF markers #8127
[radarhere]
- Do not preserve EXIFIFD tag by default when saving TIFF images #8110
[radarhere]
- Added ImageFont.load_default_imagefont() #8086
[radarhere]
- Added Image.WARN_POSSIBLE_FORMATS #8063
[radarhere]
- Remove zero-byte end padding when parsing any XMP data #8171
[radarhere]
- Do not detect Ultra HDR images as MPO #8056
[radarhere]
- Raise SyntaxError specific to JP2 #8146
[Yay295, radarhere]
- Do not use first frame duration for other frames when saving APNG images #8104
[radarhere]
- Consider I;16 pixel size when using a 1 mode mask #8112
[radarhere]
- When saving multiple PNG frames, convert to mode rather than raw mode #8087
[radarhere]
- Added byte support to FreeTypeFont #8141
[radarhere]
- Allow float center for rotate operations #8114
[radarhere]
- Do not read layers immediately when opening PSD images #8039
[radarhere]
- Restore original thread state #8065
[radarhere]
- Read IM and TIFF images as RGB, rather than RGBX #7997
[radarhere]
- Only preserve TIFF IPTC_NAA_CHUNK tag if type is BYTE or UNDEFINED #7948
[radarhere]
- Clarify ImageDraw2 error message when size is missing #8165
[radarhere]
- Support unpacking more rawmodes to RGBA palettes #7966
[radarhere]
- Removed support for Qt 5 #8159
[radarhere]
- Improve ``ImageFont.freetype`` support for XDG directories on Linux #8135
[mamg22, radarhere]
- Improved consistency of XMP handling #8069
[radarhere]
- Use pkg-config to help find libwebp and raqm #8142
[radarhere]
- Accept 't' suffix for libtiff version #8126, #8129
[radarhere]
- Deprecate ImageDraw.getdraw hints parameter #8124
[radarhere, hugovk]
- Added ImageDraw circle() #8085
[void4, hugovk, radarhere]
- Add mypy target to Makefile #8077
[Yay295]
- Added more modes to Image.MODES #7984
[radarhere]
- Deprecate BGR;15, BGR;16 and BGR;24 modes #7978
[radarhere, hugovk]

5
Makefile
View File

@ -118,3 +118,8 @@ lint-fix:
python3 -m black .
python3 -c "import ruff" > /dev/null 2>&1 || python3 -m pip install ruff
python3 -m ruff --fix .
.PHONY: mypy
mypy:
python3 -c "import tox" > /dev/null 2>&1 || python3 -m pip install tox
python3 -m tox -e mypy

53
Tests/bench_cffi_access.py
View File

@ -1,53 +0,0 @@
from __future__ import annotations
import time
from PIL import PyAccess
from .helper import hopper
# Not running this test by default. No DOS against CI.
def iterate_get(size, access) -> None:
(w, h) = size
for x in range(w):
for y in range(h):
access[(x, y)]
def iterate_set(size, access) -> None:
(w, h) = size
for x in range(w):
for y in range(h):
access[(x, y)] = (x % 256, y % 256, 0)
def timer(func, label, *args) -> None:
iterations = 5000
starttime = time.time()
for x in range(iterations):
func(*args)
if time.time() - starttime > 10:
break
endtime = time.time()
print(
f"{label}: completed {x + 1} iterations in {endtime - starttime:.4f}s, "
f"{(endtime - starttime) / (x + 1.0):.6f}s per iteration"
)
def test_direct() -> None:
im = hopper()
im.load()
# im = Image.new("RGB", (2000, 2000), (1, 3, 2))
caccess = im.im.pixel_access(False)
access = PyAccess.new(im, False)
assert caccess[(0, 0)] == access[(0, 0)]
print(f"Size: {im.width}x{im.height}")
timer(iterate_get, "PyAccess - get", im.size, access)
timer(iterate_set, "PyAccess - set", im.size, access)
timer(iterate_get, "C-api - get", im.size, caccess)
timer(iterate_set, "C-api - set", im.size, caccess)

36
Tests/helper.py
View File

@ -11,14 +11,15 @@ import subprocess
import sys
import sysconfig
import tempfile
from collections.abc import Sequence
from functools import lru_cache
from io import BytesIO
from typing import Any, Callable, Sequence
from typing import Any, Callable
import pytest
from packaging.version import parse as parse_version
from PIL import Image, ImageMath, features
from PIL import Image, ImageFile, ImageMath, features
logger = logging.getLogger(__name__)
@ -59,9 +60,7 @@ def convert_to_comparable(
return new_a, new_b
def assert_deep_equal(
a: Sequence[Any], b: Sequence[Any], msg: str | None = None
) -> None:
def assert_deep_equal(a: Any, b: Any, msg: str | None = None) -> None:
try:
assert len(a) == len(b), msg or f"got length {len(a)}, expected {len(b)}"
except Exception:
@ -174,12 +173,13 @@ def skip_unless_feature(feature: str) -> pytest.MarkDecorator:
def skip_unless_feature_version(
feature: str, required: str, reason: str | None = None
) -> pytest.MarkDecorator:
if not features.check(feature):
version = features.version(feature)
if version is None:
return pytest.mark.skip(f"{feature} not available")
if reason is None:
reason = f"{feature} is older than {required}"
version_required = parse_version(required)
version_available = parse_version(features.version(feature))
version_available = parse_version(version)
return pytest.mark.skipif(version_available < version_required, reason=reason)
@ -189,12 +189,13 @@ def mark_if_feature_version(
version_blacklist: str,
reason: str | None = None,
) -> pytest.MarkDecorator:
if not features.check(feature):
version = features.version(feature)
if version is None:
return pytest.mark.pil_noop_mark()
if reason is None:
reason = f"{feature} is {version_blacklist}"
version_required = parse_version(version_blacklist)
version_available = parse_version(features.version(feature))
version_available = parse_version(version)
if (
version_available.major == version_required.major
and version_available.minor == version_required.minor
@ -220,16 +221,11 @@ class PillowLeakTestCase:
from resource import RUSAGE_SELF, getrusage
mem = getrusage(RUSAGE_SELF).ru_maxrss
if sys.platform == "darwin":
# man 2 getrusage:
# ru_maxrss
# This is the maximum resident set size utilized (in bytes).
return mem / 1024 # Kb
# linux
# man 2 getrusage
# ru_maxrss (since Linux 2.6.32)
# This is the maximum resident set size used (in kilobytes).
return mem # Kb
# man 2 getrusage:
# ru_maxrss
# This is the maximum resident set size utilized
# in bytes on macOS, in kilobytes on Linux
return mem / 1024 if sys.platform == "darwin" else mem
def _test_leak(self, core: Callable[[], None]) -> None:
start_mem = self._get_mem_usage()
@ -243,7 +239,7 @@ class PillowLeakTestCase:
# helpers
def fromstring(data: bytes) -> Image.Image:
def fromstring(data: bytes) -> ImageFile.ImageFile:
return Image.open(BytesIO(data))

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5
Tests/oss-fuzz/test_fuzzers.py
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@ -12,8 +12,9 @@ from Tests.helper import skip_unless_feature
if sys.platform.startswith("win32"):
pytest.skip("Fuzzer is linux only", allow_module_level=True)
if features.check("libjpeg_turbo"):
version = packaging.version.parse(features.version("libjpeg_turbo"))
libjpeg_turbo_version = features.version("libjpeg_turbo")
if libjpeg_turbo_version is not None:
version = packaging.version.parse(libjpeg_turbo_version)
if version.major == 2 and version.minor == 0:
pytestmark = pytest.mark.valgrind_known_error(
reason="Known failing with libjpeg_turbo 2.0"

6
Tests/test_color_lut.py
View File

@ -321,6 +321,7 @@ class TestColorLut3DCoreAPI:
-1, 2, 2, 2, 2, 2,
])).load()
# fmt: on
assert transformed is not None
assert transformed[0, 0] == (0, 0, 255)
assert transformed[50, 50] == (0, 0, 255)
assert transformed[255, 0] == (0, 255, 255)
@ -341,6 +342,7 @@ class TestColorLut3DCoreAPI:
-3, 5, 5, 5, 5, 5,
])).load()
# fmt: on
assert transformed is not None
assert transformed[0, 0] == (0, 0, 255)
assert transformed[50, 50] == (0, 0, 255)
assert transformed[255, 0] == (0, 255, 255)
@ -354,10 +356,10 @@ class TestColorLut3DCoreAPI:
class TestColorLut3DFilter:
def test_wrong_args(self) -> None:
with pytest.raises(ValueError, match="should be either an integer"):
ImageFilter.Color3DLUT("small", [1])
ImageFilter.Color3DLUT("small", [1]) # type: ignore[arg-type]
with pytest.raises(ValueError, match="should be either an integer"):
ImageFilter.Color3DLUT((11, 11), [1])
ImageFilter.Color3DLUT((11, 11), [1]) # type: ignore[arg-type]
with pytest.raises(ValueError, match=r"in \[2, 65\] range"):
ImageFilter.Color3DLUT((11, 11, 1), [1])

2
Tests/test_decompression_bomb.py
View File

@ -12,7 +12,7 @@ ORIGINAL_LIMIT = Image.MAX_IMAGE_PIXELS
class TestDecompressionBomb:
def teardown_method(self, method) -> None:
def teardown_method(self) -> None:
Image.MAX_IMAGE_PIXELS = ORIGINAL_LIMIT
def test_no_warning_small_file(self) -> None:

20
Tests/test_deprecate.py
View File

@ -9,9 +9,9 @@ from PIL import _deprecate
"version, expected",
[
(
11,
"Old thing is deprecated and will be removed in Pillow 11 "
r"\(2024-10-15\)\. Use new thing instead\.",
12,
"Old thing is deprecated and will be removed in Pillow 12 "
r"\(2025-10-15\)\. Use new thing instead\.",
),
(
None,
@ -54,18 +54,18 @@ def test_old_version(deprecated: str, plural: bool, expected: str) -> None:
def test_plural() -> None:
expected = (
r"Old things are deprecated and will be removed in Pillow 11 \(2024-10-15\)\. "
r"Old things are deprecated and will be removed in Pillow 12 \(2025-10-15\)\. "
r"Use new thing instead\."
)
with pytest.warns(DeprecationWarning, match=expected):
_deprecate.deprecate("Old things", 11, "new thing", plural=True)
_deprecate.deprecate("Old things", 12, "new thing", plural=True)
def test_replacement_and_action() -> None:
expected = "Use only one of 'replacement' and 'action'"
with pytest.raises(ValueError, match=expected):
_deprecate.deprecate(
"Old thing", 11, replacement="new thing", action="Upgrade to new thing"
"Old thing", 12, replacement="new thing", action="Upgrade to new thing"
)
@ -78,16 +78,16 @@ def test_replacement_and_action() -> None:
)
def test_action(action: str) -> None:
expected = (
r"Old thing is deprecated and will be removed in Pillow 11 \(2024-10-15\)\. "
r"Old thing is deprecated and will be removed in Pillow 12 \(2025-10-15\)\. "
r"Upgrade to new thing\."
)
with pytest.warns(DeprecationWarning, match=expected):
_deprecate.deprecate("Old thing", 11, action=action)
_deprecate.deprecate("Old thing", 12, action=action)
def test_no_replacement_or_action() -> None:
expected = (
r"Old thing is deprecated and will be removed in Pillow 11 \(2024-10-15\)"
r"Old thing is deprecated and will be removed in Pillow 12 \(2025-10-15\)"
)
with pytest.warns(DeprecationWarning, match=expected):
_deprecate.deprecate("Old thing", 11)
_deprecate.deprecate("Old thing", 12)

16
Tests/test_features.py
View File

@ -30,7 +30,7 @@ def test_version() -> None:
# Check the correctness of the convenience function
# and the format of version numbers
def test(name: str, function: Callable[[str], bool]) -> None:
def test(name: str, function: Callable[[str], str | None]) -> None:
version = features.version(name)
if not features.check(name):
assert version is None
@ -38,7 +38,9 @@ def test_version() -> None:
assert function(name) == version
if name != "PIL":
if name == "zlib" and version is not None:
version = version.replace(".zlib-ng", "")
version = re.sub(".zlib-ng$", "", version)
elif name == "libtiff" and version is not None:
version = re.sub("t$", "", version)
assert version is None or re.search(r"\d+(\.\d+)*$", version)
for module in features.modules:
@ -67,12 +69,16 @@ def test_webp_anim() -> None:
@skip_unless_feature("libjpeg_turbo")
def test_libjpeg_turbo_version() -> None:
assert re.search(r"\d+\.\d+\.\d+$", features.version("libjpeg_turbo"))
version = features.version("libjpeg_turbo")
assert version is not None
assert re.search(r"\d+\.\d+\.\d+$", version)
@skip_unless_feature("libimagequant")
def test_libimagequant_version() -> None:
assert re.search(r"\d+\.\d+\.\d+$", features.version("libimagequant"))
version = features.version("libimagequant")
assert version is not None
assert re.search(r"\d+\.\d+\.\d+$", version)
@pytest.mark.parametrize("feature", features.modules)
@ -120,7 +126,7 @@ def test_unsupported_module() -> None:
@pytest.mark.parametrize("supported_formats", (True, False))
def test_pilinfo(supported_formats) -> None:
def test_pilinfo(supported_formats: bool) -> None:
buf = io.StringIO()
features.pilinfo(buf, supported_formats=supported_formats)
out = buf.getvalue()

15
Tests/test_file_apng.py
View File

@ -706,10 +706,21 @@ def test_different_modes_in_later_frames(
assert reloaded.mode == mode
def test_apng_repeated_seeks_give_correct_info() -> None:
def test_different_durations(tmp_path: Path) -> None:
test_file = str(tmp_path / "temp.png")
with Image.open("Tests/images/apng/different_durations.png") as im:
for i in range(3):
for _ in range(3):
im.seek(0)
assert im.info["duration"] == 4000
im.seek(1)
assert im.info["duration"] == 1000
im.save(test_file, save_all=True)
with Image.open(test_file) as reloaded:
assert reloaded.info["duration"] == 4000
reloaded.seek(1)
assert reloaded.info["duration"] == 1000

2
Tests/test_file_bmp.py
View File

@ -140,7 +140,7 @@ def test_load_dib() -> None:
(124, "g/pal8v5.bmp"),
),
)
def test_dib_header_size(header_size, path):
def test_dib_header_size(header_size: int, path: str) -> None:
image_path = "Tests/images/bmp/" + path
with open(image_path, "rb") as fp:
data = fp.read()[14:]

18
Tests/test_file_bufrstub.py
View File

@ -1,10 +1,11 @@
from __future__ import annotations
from pathlib import Path
from typing import IO
import pytest
from PIL import BufrStubImagePlugin, Image
from PIL import BufrStubImagePlugin, Image, ImageFile
from .helper import hopper
@ -50,30 +51,33 @@ def test_save(tmp_path: Path) -> None:
def test_handler(tmp_path: Path) -> None:
class TestHandler:
class TestHandler(ImageFile.StubHandler):
opened = False
loaded = False
saved = False
def open(self, im) -> None:
def open(self, im: ImageFile.StubImageFile) -> None:
self.opened = True
def load(self, im):
def load(self, im: ImageFile.StubImageFile) -> Image.Image:
self.loaded = True
im.fp.close()
return Image.new("RGB", (1, 1))
def save(self, im, fp, filename) -> None:
def is_loaded(self) -> bool:
return self.loaded
def save(self, im: Image.Image, fp: IO[bytes], filename: str) -> None:
self.saved = True
handler = TestHandler()
BufrStubImagePlugin.register_handler(handler)
with Image.open(TEST_FILE) as im:
assert handler.opened
assert not handler.loaded
assert not handler.is_loaded()
im.load()
assert handler.loaded
assert handler.is_loaded()
temp_file = str(tmp_path / "temp.bufr")
im.save(temp_file)

91
Tests/test_file_container.py
View File

@ -1,7 +1,5 @@
from __future__ import annotations
from typing import Literal
import pytest
from PIL import ContainerIO, Image
@ -23,6 +21,13 @@ def test_isatty() -> None:
assert container.isatty() is False
def test_seekable() -> None:
with hopper() as im:
container = ContainerIO.ContainerIO(im, 0, 0)
assert container.seekable() is True
@pytest.mark.parametrize(
"mode, expected_position",
(
@ -31,7 +36,7 @@ def test_isatty() -> None:
(2, 100),
),
)
def test_seek_mode(mode: Literal[0, 1, 2], expected_position: int) -> None:
def test_seek_mode(mode: int, expected_position: int) -> None:
# Arrange
with open(TEST_FILE, "rb") as fh:
container = ContainerIO.ContainerIO(fh, 22, 100)
@ -44,6 +49,14 @@ def test_seek_mode(mode: Literal[0, 1, 2], expected_position: int) -> None:
assert container.tell() == expected_position
@pytest.mark.parametrize("bytesmode", (True, False))
def test_readable(bytesmode: bool) -> None:
with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
container = ContainerIO.ContainerIO(fh, 0, 120)
assert container.readable() is True
@pytest.mark.parametrize("bytesmode", (True, False))
def test_read_n0(bytesmode: bool) -> None:
# Arrange
@ -51,7 +64,7 @@ def test_read_n0(bytesmode: bool) -> None:
container = ContainerIO.ContainerIO(fh, 22, 100)
# Act
container.seek(81)
assert container.seek(81) == 81
data = container.read()
# Assert
@ -67,7 +80,7 @@ def test_read_n(bytesmode: bool) -> None:
container = ContainerIO.ContainerIO(fh, 22, 100)
# Act
container.seek(81)
assert container.seek(81) == 81
data = container.read(3)
# Assert
@ -83,7 +96,7 @@ def test_read_eof(bytesmode: bool) -> None:
container = ContainerIO.ContainerIO(fh, 22, 100)
# Act
container.seek(100)
assert container.seek(100) == 100
data = container.read()
# Assert
@ -94,21 +107,65 @@ def test_read_eof(bytesmode: bool) -> None:
@pytest.mark.parametrize("bytesmode", (True, False))
def test_readline(bytesmode: bool) -> None:
# Arrange
with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
container = ContainerIO.ContainerIO(fh, 0, 120)
# Act
data = container.readline()
# Assert
if bytesmode:
data = data.decode()
assert data == "This is line 1\n"
data = container.readline(4)
if bytesmode:
data = data.decode()
assert data == "This"
@pytest.mark.parametrize("bytesmode", (True, False))
def test_readlines(bytesmode: bool) -> None:
expected = [
"This is line 1\n",
"This is line 2\n",
"This is line 3\n",
"This is line 4\n",
"This is line 5\n",
"This is line 6\n",
"This is line 7\n",
"This is line 8\n",
]
with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
container = ContainerIO.ContainerIO(fh, 0, 120)
data = container.readlines()
if bytesmode:
data = [line.decode() for line in data]
assert data == expected
assert container.seek(0) == 0
data = container.readlines(2)
if bytesmode:
data = [line.decode() for line in data]
assert data == expected[:2]
@pytest.mark.parametrize("bytesmode", (True, False))
def test_write(bytesmode: bool) -> None:
with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
container = ContainerIO.ContainerIO(fh, 0, 120)
assert container.writable() is False
with pytest.raises(NotImplementedError):
container.write(b"" if bytesmode else "")
with pytest.raises(NotImplementedError):
container.writelines([])
with pytest.raises(NotImplementedError):
container.truncate()
@pytest.mark.parametrize("bytesmode", (True, False))
def test_iter(bytesmode: bool) -> None:
# Arrange
expected = [
"This is line 1\n",
@ -124,9 +181,21 @@ def test_readlines(bytesmode: bool) -> None:
container = ContainerIO.ContainerIO(fh, 0, 120)
# Act
data = container.readlines()
data = []
for line in container:
data.append(line)
# Assert
if bytesmode:
data = [line.decode() for line in data]
assert data == expected
@pytest.mark.parametrize("bytesmode", (True, False))
def test_file(bytesmode: bool) -> None:
with open(TEST_FILE, "rb" if bytesmode else "r") as fh:
container = ContainerIO.ContainerIO(fh, 0, 120)
assert isinstance(container.fileno(), int)
container.flush()
container.close()

47
Tests/test_file_eps.py
View File

@ -329,46 +329,6 @@ def test_read_binary_preview() -> None:
pass
def test_readline_psfile(tmp_path: Path) -> None:
# check all the freaking line endings possible from the spec
# test_string = u'something\r\nelse\n\rbaz\rbif\n'
line_endings = ["\r\n", "\n", "\n\r", "\r"]
strings = ["something", "else", "baz", "bif"]
def _test_readline(t: EpsImagePlugin.PSFile, ending: str) -> None:
ending = f"Failure with line ending: {''.join(str(ord(s)) for s in ending)}"
assert t.readline().strip("\r\n") == "something", ending
assert t.readline().strip("\r\n") == "else", ending
assert t.readline().strip("\r\n") == "baz", ending
assert t.readline().strip("\r\n") == "bif", ending
def _test_readline_io_psfile(test_string: str, ending: str) -> None:
f = io.BytesIO(test_string.encode("latin-1"))
with pytest.warns(DeprecationWarning):
t = EpsImagePlugin.PSFile(f)
_test_readline(t, ending)
def _test_readline_file_psfile(test_string: str, ending: str) -> None:
f = str(tmp_path / "temp.txt")
with open(f, "wb") as w:
w.write(test_string.encode("latin-1"))
with open(f, "rb") as r:
with pytest.warns(DeprecationWarning):
t = EpsImagePlugin.PSFile(r)
_test_readline(t, ending)
for ending in line_endings:
s = ending.join(strings)
_test_readline_io_psfile(s, ending)
_test_readline_file_psfile(s, ending)
def test_psfile_deprecation() -> None:
with pytest.warns(DeprecationWarning):
EpsImagePlugin.PSFile(None)
@pytest.mark.parametrize("prefix", (b"", simple_binary_header))
@pytest.mark.parametrize(
"line_ending",
@ -425,9 +385,10 @@ def test_timeout(test_file: str) -> None:
def test_bounding_box_in_trailer() -> None:
# Check bounding boxes are parsed in the same way
# when specified in the header and the trailer
with Image.open("Tests/images/zero_bb_trailer.eps") as trailer_image, Image.open(
FILE1
) as header_image:
with (
Image.open("Tests/images/zero_bb_trailer.eps") as trailer_image,
Image.open(FILE1) as header_image,
):
assert trailer_image.size == header_image.size

18
Tests/test_file_gif.py
View File

@ -1,9 +1,9 @@
from __future__ import annotations
import warnings
from collections.abc import Generator
from io import BytesIO
from pathlib import Path
from typing import Generator
import pytest
@ -53,6 +53,7 @@ def test_closed_file() -> None:
def test_seek_after_close() -> None:
im = Image.open("Tests/images/iss634.gif")
assert isinstance(im, GifImagePlugin.GifImageFile)
im.load()
im.close()
@ -352,7 +353,7 @@ def test_palette_434(tmp_path: Path) -> None:
def roundtrip(im: Image.Image, **kwargs: bool) -> Image.Image:
out = str(tmp_path / "temp.gif")
im.copy().save(out, **kwargs)
im.copy().save(out, "GIF", **kwargs)
reloaded = Image.open(out)
return reloaded
@ -377,7 +378,8 @@ def test_save_netpbm_bmp_mode(tmp_path: Path) -> None:
img = img.convert("RGB")
tempfile = str(tmp_path / "temp.gif")
GifImagePlugin._save_netpbm(img, 0, tempfile)
b = BytesIO()
GifImagePlugin._save_netpbm(img, b, tempfile)
with Image.open(tempfile) as reloaded:
assert_image_similar(img, reloaded.convert("RGB"), 0)
@ -388,7 +390,8 @@ def test_save_netpbm_l_mode(tmp_path: Path) -> None:
img = img.convert("L")
tempfile = str(tmp_path / "temp.gif")
GifImagePlugin._save_netpbm(img, 0, tempfile)
b = BytesIO()
GifImagePlugin._save_netpbm(img, b, tempfile)
with Image.open(tempfile) as reloaded:
assert_image_similar(img, reloaded.convert("L"), 0)
@ -648,7 +651,7 @@ def test_dispose2_palette(tmp_path: Path) -> None:
assert rgb_img.getpixel((50, 50)) == circle
# Check that frame transparency wasn't added unnecessarily
assert img._frame_transparency is None
assert getattr(img, "_frame_transparency") is None
def test_dispose2_diff(tmp_path: Path) -> None:
@ -1252,10 +1255,11 @@ def test_palette_save_L(tmp_path: Path) -> None:
im = hopper("P")
im_l = Image.frombytes("L", im.size, im.tobytes())
palette = bytes(im.getpalette())
palette = im.getpalette()
assert palette is not None
out = str(tmp_path / "temp.gif")
im_l.save(out, palette=palette)
im_l.save(out, palette=bytes(palette))
with Image.open(out) as reloaded:
assert_image_equal(reloaded.convert("RGB"), im.convert("RGB"))

11
Tests/test_file_gribstub.py
View File

@ -5,7 +5,7 @@ from typing import IO
import pytest
from PIL import GribStubImagePlugin, Image
from PIL import GribStubImagePlugin, Image, ImageFile
from .helper import hopper
@ -51,7 +51,7 @@ def test_save(tmp_path: Path) -> None:
def test_handler(tmp_path: Path) -> None:
class TestHandler:
class TestHandler(ImageFile.StubHandler):
opened = False
loaded = False
saved = False
@ -64,6 +64,9 @@ def test_handler(tmp_path: Path) -> None:
im.fp.close()
return Image.new("RGB", (1, 1))
def is_loaded(self) -> bool:
return self.loaded
def save(self, im: Image.Image, fp: IO[bytes], filename: str) -> None:
self.saved = True
@ -71,10 +74,10 @@ def test_handler(tmp_path: Path) -> None:
GribStubImagePlugin.register_handler(handler)
with Image.open(TEST_FILE) as im:
assert handler.opened
assert not handler.loaded
assert not handler.is_loaded()
im.load()
assert handler.loaded
assert handler.is_loaded()
temp_file = str(tmp_path / "temp.grib")
im.save(temp_file)

14
Tests/test_file_hdf5stub.py
View File

@ -1,11 +1,12 @@
from __future__ import annotations
from io import BytesIO
from pathlib import Path
from typing import IO
import pytest
from PIL import Hdf5StubImagePlugin, Image
from PIL import Hdf5StubImagePlugin, Image, ImageFile
TEST_FILE = "Tests/images/hdf5.h5"
@ -41,7 +42,7 @@ def test_load() -> None:
def test_save() -> None:
# Arrange
with Image.open(TEST_FILE) as im:
dummy_fp = None
dummy_fp = BytesIO()
dummy_filename = "dummy.filename"
# Act / Assert: stub cannot save without an implemented handler
@ -52,7 +53,7 @@ def test_save() -> None:
def test_handler(tmp_path: Path) -> None:
class TestHandler:
class TestHandler(ImageFile.StubHandler):
opened = False
loaded = False
saved = False
@ -65,6 +66,9 @@ def test_handler(tmp_path: Path) -> None:
im.fp.close()
return Image.new("RGB", (1, 1))
def is_loaded(self) -> bool:
return self.loaded
def save(self, im: Image.Image, fp: IO[bytes], filename: str) -> None:
self.saved = True
@ -72,10 +76,10 @@ def test_handler(tmp_path: Path) -> None:
Hdf5StubImagePlugin.register_handler(handler)
with Image.open(TEST_FILE) as im:
assert handler.opened
assert not handler.loaded
assert not handler.is_loaded()
im.load()
assert handler.loaded
assert handler.is_loaded()
temp_file = str(tmp_path / "temp.h5")
im.save(temp_file)

34
Tests/test_file_jpeg.py
View File

@ -70,7 +70,9 @@ class TestFileJpeg:
def test_sanity(self) -> None:
# internal version number
assert re.search(r"\d+\.\d+$", features.version_codec("jpg"))
version = features.version_codec("jpg")
assert version is not None
assert re.search(r"\d+\.\d+$", version)
with Image.open(TEST_FILE) as im:
im.load()
@ -152,7 +154,7 @@ class TestFileJpeg:
assert k > 0.9
def test_rgb(self) -> None:
def getchannels(im: Image.Image) -> tuple[int, int, int]:
def getchannels(im: JpegImagePlugin.JpegImageFile) -> tuple[int, int, int]:
return tuple(v[0] for v in im.layer)
im = hopper()
@ -169,7 +171,7 @@ class TestFileJpeg:
[TEST_FILE, "Tests/images/pil_sample_cmyk.jpg"],
)
def test_dpi(self, test_image_path: str) -> None:
def test(xdpi: int, ydpi: int | None = None):
def test(xdpi: int, ydpi: int | None = None) -> tuple[int, int] | None:
with Image.open(test_image_path) as im:
im = self.roundtrip(im, dpi=(xdpi, ydpi or xdpi))
return im.info.get("dpi")
@ -441,7 +443,9 @@ class TestFileJpeg:
assert_image(im1, im2.mode, im2.size)
def test_subsampling(self) -> None:
def getsampling(im: Image.Image):
def getsampling(
im: JpegImagePlugin.JpegImageFile,
) -> tuple[int, int, int, int, int, int]:
layer = im.layer
return layer[0][1:3] + layer[1][1:3] + layer[2][1:3]
@ -697,7 +701,7 @@ class TestFileJpeg:
def test_save_cjpeg(self, tmp_path: Path) -> None:
with Image.open(TEST_FILE) as img:
tempfile = str(tmp_path / "temp.jpg")
JpegImagePlugin._save_cjpeg(img, 0, tempfile)
JpegImagePlugin._save_cjpeg(img, BytesIO(), tempfile)
# Default save quality is 75%, so a tiny bit of difference is alright
assert_image_similar_tofile(img, tempfile, 17)
@ -868,7 +872,7 @@ class TestFileJpeg:
def test_multiple_exif(self) -> None:
with Image.open("Tests/images/multiple_exif.jpg") as im:
assert im.info["exif"] == b"Exif\x00\x00firstsecond"
assert im.getexif()[270] == "firstsecond"
@mark_if_feature_version(
pytest.mark.valgrind_known_error, "libjpeg_turbo", "2.0", reason="Known Failing"
@ -915,24 +919,25 @@ class TestFileJpeg:
with Image.open("Tests/images/icc-after-SOF.jpg") as im:
assert im.info["icc_profile"] == b"profile"
def test_jpeg_magic_number(self) -> None:
def test_jpeg_magic_number(self, monkeypatch: pytest.MonkeyPatch) -> None:
size = 4097
buffer = BytesIO(b"\xFF" * size) # Many xFF bytes
buffer.max_pos = 0
max_pos = 0
orig_read = buffer.read
def read(n=-1):
def read(n: int | None = -1) -> bytes:
nonlocal max_pos
res = orig_read(n)
buffer.max_pos = max(buffer.max_pos, buffer.tell())
max_pos = max(max_pos, buffer.tell())
return res
buffer.read = read
monkeypatch.setattr(buffer, "read", read)
with pytest.raises(UnidentifiedImageError):
with Image.open(buffer):
pass
# Assert the entire file has not been read
assert 0 < buffer.max_pos < size
assert 0 < max_pos < size
def test_getxmp(self) -> None:
with Image.open("Tests/images/xmp_test.jpg") as im:
@ -943,6 +948,7 @@ class TestFileJpeg:
):
assert im.getxmp() == {}
else:
assert "xmp" in im.info
xmp = im.getxmp()
description = xmp["xmpmeta"]["RDF"]["Description"]
@ -1027,8 +1033,10 @@ class TestFileJpeg:
def test_repr_jpeg(self) -> None:
im = hopper()
b = im._repr_jpeg_()
assert b is not None
with Image.open(BytesIO(im._repr_jpeg_())) as repr_jpeg:
with Image.open(BytesIO(b)) as repr_jpeg:
assert repr_jpeg.format == "JPEG"
assert_image_similar(im, repr_jpeg, 17)

14
Tests/test_file_jpeg2k.py
View File

@ -48,7 +48,9 @@ def roundtrip(im: Image.Image, **options: Any) -> Image.Image:
def test_sanity() -> None:
# Internal version number
assert re.search(r"\d+\.\d+\.\d+$", features.version_codec("jpg_2000"))
version = features.version_codec("jpg_2000")
assert version is not None
assert re.search(r"\d+\.\d+\.\d+$", version)
with Image.open("Tests/images/test-card-lossless.jp2") as im:
px = im.load()
@ -333,9 +335,15 @@ def test_issue_6194() -> None:
assert im.getpixel((5, 5)) == 31
def test_unknown_j2k_mode() -> None:
with pytest.raises(UnidentifiedImageError):
with Image.open("Tests/images/unknown_mode.j2k"):
pass
def test_unbound_local() -> None:
# prepatch, a malformed jp2 file could cause an UnboundLocalError exception.
with pytest.raises(OSError):
with pytest.raises(UnidentifiedImageError):
with Image.open("Tests/images/unbound_variable.jp2"):
pass
@ -458,7 +466,7 @@ def test_plt_marker() -> None:
out.seek(length - 2, os.SEEK_CUR)
def test_9bit():
def test_9bit() -> None:
with Image.open("Tests/images/9bit.j2k") as im:
assert im.mode == "I;16"
assert im.size == (128, 128)

47
Tests/test_file_libtiff.py
View File

@ -52,7 +52,9 @@ class LibTiffTestCase:
class TestFileLibTiff(LibTiffTestCase):
def test_version(self) -> None:
assert re.search(r"\d+\.\d+\.\d+$", features.version_codec("libtiff"))
version = features.version_codec("libtiff")
assert version is not None
assert re.search(r"\d+\.\d+\.\d+t?$", version)
def test_g4_tiff(self, tmp_path: Path) -> None:
"""Test the ordinary file path load path"""
@ -90,11 +92,22 @@ class TestFileLibTiff(LibTiffTestCase):
def test_g4_non_disk_file_object(self, tmp_path: Path) -> None:
"""Testing loading from non-disk non-BytesIO file object"""
test_file = "Tests/images/hopper_g4_500.tif"
s = io.BytesIO()
with open(test_file, "rb") as f:
s.write(f.read())
s.seek(0)
r = io.BufferedReader(s)
data = f.read()
class NonBytesIO(io.RawIOBase):
def read(self, size: int = -1) -> bytes:
nonlocal data
if size == -1:
size = len(data)
result = data[:size]
data = data[size:]
return result
def readable(self) -> bool:
return True
r = io.BufferedReader(NonBytesIO())
with Image.open(r) as im:
assert im.size == (500, 500)
self._assert_noerr(tmp_path, im)
@ -666,7 +679,8 @@ class TestFileLibTiff(LibTiffTestCase):
pilim.save(buffer_io, format="tiff", compression=compression)
buffer_io.seek(0)
assert_image_similar_tofile(pilim, buffer_io, 0)
with Image.open(buffer_io) as saved_im:
assert_image_similar(pilim, saved_im, 0)
save_bytesio()
save_bytesio("raw")
@ -682,13 +696,18 @@ class TestFileLibTiff(LibTiffTestCase):
assert reloaded.tag_v2[530] == (1, 1)
assert reloaded.tag_v2[532] == (0, 255, 128, 255, 128, 255)
def test_exif_ifd(self, tmp_path: Path) -> None:
outfile = str(tmp_path / "temp.tif")
def test_exif_ifd(self) -> None:
out = io.BytesIO()
with Image.open("Tests/images/tiff_adobe_deflate.tif") as im:
assert im.tag_v2[34665] == 125456
im.save(outfile)
im.save(out, "TIFF")
with Image.open(outfile) as reloaded:
with Image.open(out) as reloaded:
assert 34665 not in reloaded.tag_v2
im.save(out, "TIFF", tiffinfo={34665: 125456})
with Image.open(out) as reloaded:
if Image.core.libtiff_support_custom_tags:
assert reloaded.tag_v2[34665] == 125456
@ -1040,7 +1059,11 @@ class TestFileLibTiff(LibTiffTestCase):
],
)
def test_wrong_bits_per_sample(
self, file_name: str, mode: str, size: tuple[int, int], tile
self,
file_name: str,
mode: str,
size: tuple[int, int],
tile: list[tuple[str, tuple[int, int, int, int], int, tuple[Any, ...]]],
) -> None:
with Image.open("Tests/images/" + file_name) as im:
assert im.mode == mode
@ -1127,7 +1150,7 @@ class TestFileLibTiff(LibTiffTestCase):
arguments: dict[str, str | int] = {"compression": "tiff_adobe_deflate"}
if argument:
arguments["strip_size"] = 2**18
im.save(out, **arguments)
im.save(out, "TIFF", **arguments)
with Image.open(out) as im:
assert isinstance(im, TiffImagePlugin.TiffImageFile)

21
Tests/test_file_mpo.py
View File

@ -2,11 +2,11 @@ from __future__ import annotations
import warnings
from io import BytesIO
from typing import Any, cast
from typing import Any
import pytest
from PIL import Image, MpoImagePlugin
from PIL import Image, ImageFile, MpoImagePlugin
from .helper import (
assert_image_equal,
@ -20,11 +20,11 @@ test_files = ["Tests/images/sugarshack.mpo", "Tests/images/frozenpond.mpo"]
pytestmark = skip_unless_feature("jpg")
def roundtrip(im: Image.Image, **options: Any) -> MpoImagePlugin.MpoImageFile:
def roundtrip(im: Image.Image, **options: Any) -> ImageFile.ImageFile:
out = BytesIO()
im.save(out, "MPO", **options)
out.seek(0)
return cast(MpoImagePlugin.MpoImageFile, Image.open(out))
return Image.open(out)
@pytest.mark.parametrize("test_file", test_files)
@ -226,6 +226,17 @@ def test_eoferror() -> None:
im.seek(n_frames - 1)
def test_adopt_jpeg() -> None:
with Image.open("Tests/images/hopper.jpg") as im:
with pytest.raises(ValueError):
MpoImagePlugin.MpoImageFile.adopt(im)
def test_ultra_hdr() -> None:
with Image.open("Tests/images/ultrahdr.jpg") as im:
assert im.format == "JPEG"
@pytest.mark.parametrize("test_file", test_files)
def test_image_grab(test_file: str) -> None:
with Image.open(test_file) as im:
@ -270,6 +281,8 @@ def test_save_all() -> None:
im_reloaded = roundtrip(im, save_all=True, append_images=[im2])
assert_image_equal(im, im_reloaded)
assert isinstance(im_reloaded, MpoImagePlugin.MpoImageFile)
assert im_reloaded.mpinfo is not None
assert im_reloaded.mpinfo[45056] == b"0100"
im_reloaded.seek(1)

8
Tests/test_file_pcx.py
View File

@ -76,6 +76,7 @@ def test_pil184() -> None:
def test_1px_width(tmp_path: Path) -> None:
im = Image.new("L", (1, 256))
px = im.load()
assert px is not None
for y in range(256):
px[0, y] = y
_roundtrip(tmp_path, im)
@ -84,6 +85,7 @@ def test_1px_width(tmp_path: Path) -> None:
def test_large_count(tmp_path: Path) -> None:
im = Image.new("L", (256, 1))
px = im.load()
assert px is not None
for x in range(256):
px[x, 0] = x // 67 * 67
_roundtrip(tmp_path, im)
@ -101,6 +103,7 @@ def _test_buffer_overflow(tmp_path: Path, im: Image.Image, size: int = 1024) ->
def test_break_in_count_overflow(tmp_path: Path) -> None:
im = Image.new("L", (256, 5))
px = im.load()
assert px is not None
for y in range(4):
for x in range(256):
px[x, y] = x % 128
@ -110,6 +113,7 @@ def test_break_in_count_overflow(tmp_path: Path) -> None:
def test_break_one_in_loop(tmp_path: Path) -> None:
im = Image.new("L", (256, 5))
px = im.load()
assert px is not None
for y in range(5):
for x in range(256):
px[x, y] = x % 128
@ -119,6 +123,7 @@ def test_break_one_in_loop(tmp_path: Path) -> None:
def test_break_many_in_loop(tmp_path: Path) -> None:
im = Image.new("L", (256, 5))
px = im.load()
assert px is not None
for y in range(4):
for x in range(256):
px[x, y] = x % 128
@ -130,6 +135,7 @@ def test_break_many_in_loop(tmp_path: Path) -> None:
def test_break_one_at_end(tmp_path: Path) -> None:
im = Image.new("L", (256, 5))
px = im.load()
assert px is not None
for y in range(5):
for x in range(256):
px[x, y] = x % 128
@ -140,6 +146,7 @@ def test_break_one_at_end(tmp_path: Path) -> None:
def test_break_many_at_end(tmp_path: Path) -> None:
im = Image.new("L", (256, 5))
px = im.load()
assert px is not None
for y in range(5):
for x in range(256):
px[x, y] = x % 128
@ -152,6 +159,7 @@ def test_break_many_at_end(tmp_path: Path) -> None:
def test_break_padding(tmp_path: Path) -> None:
im = Image.new("L", (257, 5))
px = im.load()
assert px is not None
for y in range(5):
for x in range(257):
px[x, y] = x % 128

6
Tests/test_file_pdf.py
View File

@ -5,8 +5,9 @@ import os
import os.path
import tempfile
import time
from collections.abc import Generator
from pathlib import Path
from typing import Any, Generator
from typing import Any
import pytest
@ -117,7 +118,7 @@ def test_dpi(params: dict[str, int | tuple[int, int]], tmp_path: Path) -> None:
im = hopper()
outfile = str(tmp_path / "temp.pdf")
im.save(outfile, **params)
im.save(outfile, "PDF", **params)
with open(outfile, "rb") as fp:
contents = fp.read()
@ -228,6 +229,7 @@ def test_pdf_append_fails_on_nonexistent_file() -> None:
def check_pdf_pages_consistency(pdf: PdfParser.PdfParser) -> None:
assert pdf.pages_ref is not None
pages_info = pdf.read_indirect(pdf.pages_ref)
assert b"Parent" not in pages_info
assert b"Kids" in pages_info

32
Tests/test_file_png.py
View File

@ -41,7 +41,7 @@ MAGIC = PngImagePlugin._MAGIC
def chunk(cid: bytes, *data: bytes) -> bytes:
test_file = BytesIO()
PngImagePlugin.putchunk(*(test_file, cid) + data)
PngImagePlugin.putchunk(test_file, cid, *data)
return test_file.getvalue()
@ -85,9 +85,9 @@ class TestFilePng:
def test_sanity(self, tmp_path: Path) -> None:
# internal version number
assert re.search(
r"\d+(\.\d+){1,3}(\.zlib\-ng)?$", features.version_codec("zlib")
)
version = features.version_codec("zlib")
assert version is not None
assert re.search(r"\d+(\.\d+){1,3}(\.zlib\-ng)?$", version)
test_file = str(tmp_path / "temp.png")
@ -535,8 +535,10 @@ class TestFilePng:
def test_repr_png(self) -> None:
im = hopper()
b = im._repr_png_()
assert b is not None
with Image.open(BytesIO(im._repr_png_())) as repr_png:
with Image.open(BytesIO(b)) as repr_png:
assert repr_png.format == "PNG"
assert_image_equal(im, repr_png)
@ -655,11 +657,12 @@ class TestFilePng:
png.call(cid, 0, 0)
ImageFile.LOAD_TRUNCATED_IMAGES = False
def test_specify_bits(self, tmp_path: Path) -> None:
@pytest.mark.parametrize("save_all", (True, False))
def test_specify_bits(self, save_all: bool, tmp_path: Path) -> None:
im = hopper("P")
out = str(tmp_path / "temp.png")
im.save(out, bits=4)
im.save(out, bits=4, save_all=save_all)
with Image.open(out) as reloaded:
assert len(reloaded.png.im_palette[1]) == 48
@ -683,6 +686,7 @@ class TestFilePng:
):
assert im.getxmp() == {}
else:
assert "xmp" in im.info
xmp = im.getxmp()
description = xmp["xmpmeta"]["RDF"]["Description"]
@ -767,16 +771,12 @@ class TestFilePng:
def test_save_stdout(self, buffer: bool) -> None:
old_stdout = sys.stdout
if buffer:
class MyStdOut:
buffer = BytesIO()
class MyStdOut:
buffer = BytesIO()
mystdout: MyStdOut | BytesIO = MyStdOut() if buffer else BytesIO()
mystdout = MyStdOut()
else:
mystdout = BytesIO()
sys.stdout = mystdout
sys.stdout = mystdout # type: ignore[assignment]
with Image.open(TEST_PNG_FILE) as im:
im.save(sys.stdout, "PNG")
@ -784,7 +784,7 @@ class TestFilePng:
# Reset stdout
sys.stdout = old_stdout
if buffer:
if isinstance(mystdout, MyStdOut):
mystdout = mystdout.buffer
with Image.open(mystdout) as reloaded:
assert_image_equal_tofile(reloaded, TEST_PNG_FILE)

14
Tests/test_file_ppm.py
View File

@ -368,16 +368,12 @@ def test_mimetypes(tmp_path: Path) -> None:
def test_save_stdout(buffer: bool) -> None:
old_stdout = sys.stdout
if buffer:
class MyStdOut:
buffer = BytesIO()
class MyStdOut:
buffer = BytesIO()
mystdout: MyStdOut | BytesIO = MyStdOut() if buffer else BytesIO()
mystdout = MyStdOut()
else:
mystdout = BytesIO()
sys.stdout = mystdout
sys.stdout = mystdout # type: ignore[assignment]
with Image.open(TEST_FILE) as im:
im.save(sys.stdout, "PPM")
@ -385,7 +381,7 @@ def test_save_stdout(buffer: bool) -> None:
# Reset stdout
sys.stdout = old_stdout
if buffer:
if isinstance(mystdout, MyStdOut):
mystdout = mystdout.buffer
with Image.open(mystdout) as reloaded:
assert_image_equal_tofile(reloaded, TEST_FILE)

26
Tests/test_file_psd.py
View File

@ -4,7 +4,7 @@ import warnings
import pytest
from PIL import Image, PsdImagePlugin, UnidentifiedImageError
from PIL import Image, PsdImagePlugin
from .helper import assert_image_equal_tofile, assert_image_similar, hopper, is_pypy
@ -150,20 +150,26 @@ def test_combined_larger_than_size() -> None:
@pytest.mark.parametrize(
"test_file,raises",
[
(
"Tests/images/timeout-1ee28a249896e05b83840ae8140622de8e648ba9.psd",
UnidentifiedImageError,
),
(
"Tests/images/timeout-598843abc37fc080ec36a2699ebbd44f795d3a6f.psd",
UnidentifiedImageError,
),
("Tests/images/timeout-c8efc3fded6426986ba867a399791bae544f59bc.psd", OSError),
("Tests/images/timeout-dedc7a4ebd856d79b4359bbcc79e8ef231ce38f6.psd", OSError),
],
)
def test_crashes(test_file: str, raises) -> None:
def test_crashes(test_file: str, raises: type[Exception]) -> None:
with open(test_file, "rb") as f:
with pytest.raises(raises):
with Image.open(f):
pass
@pytest.mark.parametrize(
"test_file",
[
"Tests/images/timeout-1ee28a249896e05b83840ae8140622de8e648ba9.psd",
"Tests/images/timeout-598843abc37fc080ec36a2699ebbd44f795d3a6f.psd",
],
)
def test_layer_crashes(test_file: str) -> None:
with open(test_file, "rb") as f:
with Image.open(f) as im:
with pytest.raises(SyntaxError):
im.layers

1
Tests/test_file_spider.py
View File

@ -105,6 +105,7 @@ def test_load_image_series() -> None:
img_list = SpiderImagePlugin.loadImageSeries(file_list)
# Assert
assert img_list is not None
assert len(img_list) == 1
assert isinstance(img_list[0], Image.Image)
assert img_list[0].size == (128, 128)

13
Tests/test_file_tga.py
View File

@ -72,12 +72,21 @@ def test_palette_depth_8(tmp_path: Path) -> None:
def test_palette_depth_16(tmp_path: Path) -> None:
with Image.open("Tests/images/p_16.tga") as im:
assert_image_equal_tofile(im.convert("RGB"), "Tests/images/p_16.png")
assert im.palette.mode == "RGBA"
assert_image_equal_tofile(im.convert("RGBA"), "Tests/images/p_16.png")
out = str(tmp_path / "temp.png")
im.save(out)
with Image.open(out) as reloaded:
assert_image_equal_tofile(reloaded.convert("RGB"), "Tests/images/p_16.png")
assert_image_equal_tofile(reloaded.convert("RGBA"), "Tests/images/p_16.png")
def test_rgba_16() -> None:
with Image.open("Tests/images/rgba16.tga") as im:
assert im.mode == "RGBA"
assert im.getpixel((0, 0)) == (172, 0, 255, 255)
assert im.getpixel((1, 0)) == (0, 255, 82, 0)
def test_id_field() -> None:

30
Tests/test_file_tiff.py
View File

@ -2,10 +2,10 @@ from __future__ import annotations
import os
import warnings
from collections.abc import Generator
from io import BytesIO
from pathlib import Path
from types import ModuleType
from typing import Generator
import pytest
@ -78,6 +78,7 @@ class TestFileTiff:
def test_seek_after_close(self) -> None:
im = Image.open("Tests/images/multipage.tiff")
assert isinstance(im, TiffImagePlugin.TiffImageFile)
im.close()
with pytest.raises(ValueError):
@ -113,14 +114,14 @@ class TestFileTiff:
outfile = str(tmp_path / "temp.tif")
im.save(outfile, save_all=True, append_images=[im], tiffinfo=im.tag_v2)
def test_seek_too_large(self):
def test_seek_too_large(self) -> None:
with pytest.raises(ValueError, match="Unable to seek to frame"):
Image.open("Tests/images/seek_too_large.tif")
def test_set_legacy_api(self) -> None:
ifd = TiffImagePlugin.ImageFileDirectory_v2()
with pytest.raises(Exception) as e:
ifd.legacy_api = None
ifd.legacy_api = False
assert str(e.value) == "Not allowing setting of legacy api"
def test_xyres_tiff(self) -> None:
@ -424,13 +425,13 @@ class TestFileTiff:
def test_load_float(self) -> None:
ifd = TiffImagePlugin.ImageFileDirectory_v2()
data = b"abcdabcd"
ret = ifd.load_float(data, False)
ret = getattr(ifd, "load_float")(data, False)
assert ret == (1.6777999408082104e22, 1.6777999408082104e22)
def test_load_double(self) -> None:
ifd = TiffImagePlugin.ImageFileDirectory_v2()
data = b"abcdefghabcdefgh"
ret = ifd.load_double(data, False)
ret = getattr(ifd, "load_double")(data, False)
assert ret == (8.540883223036124e194, 8.540883223036124e194)
def test_ifd_tag_type(self) -> None:
@ -599,7 +600,7 @@ class TestFileTiff:
def test_with_underscores(self, tmp_path: Path) -> None:
kwargs = {"resolution_unit": "inch", "x_resolution": 72, "y_resolution": 36}
filename = str(tmp_path / "temp.tif")
hopper("RGB").save(filename, **kwargs)
hopper("RGB").save(filename, "TIFF", **kwargs)
with Image.open(filename) as im:
# legacy interface
assert im.tag[X_RESOLUTION][0][0] == 72
@ -621,6 +622,22 @@ class TestFileTiff:
assert_image_equal_tofile(im, tmpfile)
def test_iptc(self, tmp_path: Path) -> None:
# Do not preserve IPTC_NAA_CHUNK by default if type is LONG
outfile = str(tmp_path / "temp.tif")
with Image.open("Tests/images/hopper.tif") as im:
im.load()
assert isinstance(im, TiffImagePlugin.TiffImageFile)
ifd = TiffImagePlugin.ImageFileDirectory_v2()
ifd[33723] = 1
ifd.tagtype[33723] = 4
im.tag_v2 = ifd
im.save(outfile)
with Image.open(outfile) as im:
assert isinstance(im, TiffImagePlugin.TiffImageFile)
assert 33723 not in im.tag_v2
def test_rowsperstrip(self, tmp_path: Path) -> None:
outfile = str(tmp_path / "temp.tif")
im = hopper()
@ -759,6 +776,7 @@ class TestFileTiff:
):
assert im.getxmp() == {}
else:
assert "xmp" in im.info
xmp = im.getxmp()
description = xmp["xmpmeta"]["RDF"]["Description"]

10
Tests/test_file_tiff_metadata.py
View File

@ -11,7 +11,11 @@ from PIL.TiffImagePlugin import IFDRational
from .helper import assert_deep_equal, hopper
TAG_IDS = {info.name: info.value for info in TiffTags.TAGS_V2.values()}
TAG_IDS: dict[str, int] = {
info.name: info.value
for info in TiffTags.TAGS_V2.values()
if info.value is not None
}
def test_rt_metadata(tmp_path: Path) -> None:
@ -411,8 +415,8 @@ def test_empty_values() -> None:
info = TiffImagePlugin.ImageFileDirectory_v2(head)
info.load(data)
# Should not raise ValueError.
info = dict(info)
assert 33432 in info
info_dict = dict(info)
assert 33432 in info_dict
def test_photoshop_info(tmp_path: Path) -> None:

13
Tests/test_file_webp.py
View File

@ -5,6 +5,7 @@ import re
import sys
import warnings
from pathlib import Path
from typing import Any
import pytest
@ -49,7 +50,9 @@ class TestFileWebp:
def test_version(self) -> None:
_webp.WebPDecoderVersion()
_webp.WebPDecoderBuggyAlpha()
assert re.search(r"\d+\.\d+\.\d+$", features.version_module("webp"))
version = features.version_module("webp")
assert version is not None
assert re.search(r"\d+\.\d+\.\d+$", version)
def test_read_rgb(self) -> None:
"""
@ -68,7 +71,9 @@ class TestFileWebp:
# dwebp -ppm ../../Tests/images/hopper.webp -o hopper_webp_bits.ppm
assert_image_similar_tofile(image, "Tests/images/hopper_webp_bits.ppm", 1.0)
def _roundtrip(self, tmp_path: Path, mode, epsilon, args={}) -> None:
def _roundtrip(
self, tmp_path: Path, mode: str, epsilon: float, args: dict[str, Any] = {}
) -> None:
temp_file = str(tmp_path / "temp.webp")
hopper(mode).save(temp_file, **args)
@ -196,7 +201,9 @@ class TestFileWebp:
(0, (0,), (-1, 0, 1, 2), (253, 254, 255, 256)),
)
@skip_unless_feature("webp_anim")
def test_invalid_background(self, background, tmp_path: Path) -> None:
def test_invalid_background(
self, background: int | tuple[int, ...], tmp_path: Path
) -> None:
temp_file = str(tmp_path / "temp.webp")
im = hopper()
with pytest.raises(OSError):

17
Tests/test_file_webp_animated.py
View File

@ -1,5 +1,6 @@
from __future__ import annotations
from collections.abc import Generator
from pathlib import Path
import pytest
@ -52,8 +53,9 @@ def test_write_animation_L(tmp_path: Path) -> None:
assert_image_similar(im, orig.convert("RGBA"), 32.9)
if is_big_endian():
webp = parse_version(features.version_module("webp"))
if webp < parse_version("1.2.2"):
version = features.version_module("webp")
assert version is not None
if parse_version(version) < parse_version("1.2.2"):
pytest.skip("Fails with libwebp earlier than 1.2.2")
orig.seek(orig.n_frames - 1)
im.seek(im.n_frames - 1)
@ -68,7 +70,7 @@ def test_write_animation_RGB(tmp_path: Path) -> None:
are visually similar to the originals.
"""
def check(temp_file) -> None:
def check(temp_file: str) -> None:
with Image.open(temp_file) as im:
assert im.n_frames == 2
@ -78,8 +80,9 @@ def test_write_animation_RGB(tmp_path: Path) -> None:
# Compare second frame to original
if is_big_endian():
webp = parse_version(features.version_module("webp"))
if webp < parse_version("1.2.2"):
version = features.version_module("webp")
assert version is not None
if parse_version(version) < parse_version("1.2.2"):
pytest.skip("Fails with libwebp earlier than 1.2.2")
im.seek(1)
im.load()
@ -94,7 +97,9 @@ def test_write_animation_RGB(tmp_path: Path) -> None:
check(temp_file1)
# Tests appending using a generator
def im_generator(ims):
def im_generator(
ims: list[Image.Image],
) -> Generator[Image.Image, None, None]:
yield from ims
temp_file2 = str(tmp_path / "temp_generator.webp")

1
Tests/test_file_webp_metadata.py
View File

@ -129,6 +129,7 @@ def test_getxmp() -> None:
):
assert im.getxmp() == {}
else:
assert "xmp" in im.info
assert (
im.getxmp()["xmpmeta"]["xmptk"]
== "Adobe XMP Core 5.3-c011 66.145661, 2012/02/06-14:56:27 "

12
Tests/test_file_wmf.py
View File

@ -1,10 +1,11 @@
from __future__ import annotations
from pathlib import Path
from typing import IO
import pytest
from PIL import Image, WmfImagePlugin
from PIL import Image, ImageFile, WmfImagePlugin
from .helper import assert_image_similar_tofile, hopper
@ -34,10 +35,13 @@ def test_load() -> None:
def test_register_handler(tmp_path: Path) -> None:
class TestHandler:
class TestHandler(ImageFile.StubHandler):
methodCalled = False
def save(self, im, fp, filename) -> None:
def load(self, im: ImageFile.StubImageFile) -> Image.Image:
return Image.new("RGB", (1, 1))
def save(self, im: Image.Image, fp: IO[bytes], filename: str) -> None:
self.methodCalled = True
handler = TestHandler()
@ -70,7 +74,7 @@ def test_load_set_dpi() -> None:
@pytest.mark.parametrize("ext", (".wmf", ".emf"))
def test_save(ext, tmp_path: Path) -> None:
def test_save(ext: str, tmp_path: Path) -> None:
im = hopper()
tmpfile = str(tmp_path / ("temp" + ext))

4
Tests/test_font_leaks.py
View File

@ -12,7 +12,7 @@ class TestTTypeFontLeak(PillowLeakTestCase):
iterations = 10
mem_limit = 4096 # k
def _test_font(self, font: ImageFont.FreeTypeFont) -> None:
def _test_font(self, font: ImageFont.FreeTypeFont | ImageFont.ImageFont) -> None:
im = Image.new("RGB", (255, 255), "white")
draw = ImageDraw.ImageDraw(im)
self._test_leak(
@ -34,7 +34,7 @@ class TestDefaultFontLeak(TestTTypeFontLeak):
def test_leak(self) -> None:
if features.check_module("freetype2"):
ImageFont.core = _util.DeferredError(ImportError)
ImageFont.core = _util.DeferredError(ImportError("Disabled for testing"))
try:
default_font = ImageFont.load_default()
finally:

97
Tests/test_image.py
View File

@ -8,7 +8,8 @@ import sys
import tempfile
import warnings
from pathlib import Path
from typing import IO
from types import ModuleType
from typing import IO, Any
import pytest
@ -25,6 +26,7 @@ from PIL import (
from .helper import (
assert_image_equal,
assert_image_equal_tofile,
assert_image_similar,
assert_image_similar_tofile,
assert_not_all_same,
hopper,
@ -34,6 +36,12 @@ from .helper import (
skip_unless_feature,
)
ElementTree: ModuleType | None
try:
from defusedxml import ElementTree
except ImportError:
ElementTree = None
# Deprecation helper
def helper_image_new(mode: str, size: tuple[int, int]) -> Image.Image:
@ -99,10 +107,18 @@ class TestImage:
JPGFILE = "Tests/images/hopper.jpg"
with pytest.raises(TypeError):
with Image.open(PNGFILE, formats=123):
with Image.open(PNGFILE, formats=123): # type: ignore[arg-type]
pass
for formats in [["JPEG"], ("JPEG",), ["jpeg"], ["Jpeg"], ["jPeG"], ["JpEg"]]:
format_list: list[list[str] | tuple[str, ...]] = [
["JPEG"],
("JPEG",),
["jpeg"],
["Jpeg"],
["jPeG"],
["JpEg"],
]
for formats in format_list:
with pytest.raises(UnidentifiedImageError):
with Image.open(PNGFILE, formats=formats):
pass
@ -116,6 +132,15 @@ class TestImage:
assert im.mode == "RGB"
assert im.size == (128, 128)
def test_open_verbose_failure(self, monkeypatch: pytest.MonkeyPatch) -> None:
monkeypatch.setattr(Image, "WARN_POSSIBLE_FORMATS", True)
im = io.BytesIO(b"")
with pytest.warns(UserWarning):
with pytest.raises(UnidentifiedImageError):
with Image.open(im):
pass
def test_width_height(self) -> None:
im = Image.new("RGB", (1, 2))
assert im.width == 1
@ -138,12 +163,12 @@ class TestImage:
def test_bad_mode(self) -> None:
with pytest.raises(ValueError):
with Image.open("filename", "bad mode"):
with Image.open("filename", "bad mode"): # type: ignore[arg-type]
pass
def test_stringio(self) -> None:
with pytest.raises(ValueError):
with Image.open(io.StringIO()):
with Image.open(io.StringIO()): # type: ignore[arg-type]
pass
def test_pathlib(self, tmp_path: Path) -> None:
@ -166,11 +191,19 @@ class TestImage:
def test_fp_name(self, tmp_path: Path) -> None:
temp_file = str(tmp_path / "temp.jpg")
class FP:
class FP(io.BytesIO):
name: str
def write(self, b: bytes) -> None:
pass
if sys.version_info >= (3, 12):
from collections.abc import Buffer
def write(self, data: Buffer) -> int:
return len(data)
else:
def write(self, data: Any) -> int:
return len(data)
fp = FP()
fp.name = temp_file
@ -185,7 +218,8 @@ class TestImage:
with tempfile.TemporaryFile() as fp:
im.save(fp, "JPEG")
fp.seek(0)
assert_image_similar_tofile(im, fp, 20)
with Image.open(fp) as reloaded:
assert_image_similar(im, reloaded, 20)
def test_unknown_extension(self, tmp_path: Path) -> None:
im = hopper()
@ -338,8 +372,9 @@ class TestImage:
img = Image.alpha_composite(dst, src)
# Assert
img_colors = sorted(img.getcolors())
assert img_colors == expected_colors
img_colors = img.getcolors()
assert img_colors is not None
assert sorted(img_colors) == expected_colors
def test_alpha_inplace(self) -> None:
src = Image.new("RGBA", (128, 128), "blue")
@ -383,13 +418,13 @@ class TestImage:
# errors
with pytest.raises(ValueError):
source.alpha_composite(over, "invalid source")
source.alpha_composite(over, "invalid destination") # type: ignore[arg-type]
with pytest.raises(ValueError):
source.alpha_composite(over, (0, 0), "invalid destination")
source.alpha_composite(over, (0, 0), "invalid source") # type: ignore[arg-type]
with pytest.raises(ValueError):
source.alpha_composite(over, 0)
source.alpha_composite(over, 0) # type: ignore[arg-type]
with pytest.raises(ValueError):
source.alpha_composite(over, (0, 0), 0)
source.alpha_composite(over, (0, 0), 0) # type: ignore[arg-type]
with pytest.raises(ValueError):
source.alpha_composite(over, (0, 0), (0, -1))
@ -497,9 +532,11 @@ class TestImage:
def test_check_size(self) -> None:
# Checking that the _check_size function throws value errors when we want it to
with pytest.raises(ValueError):
Image.new("RGB", 0) # not a tuple
# not a tuple
Image.new("RGB", 0) # type: ignore[arg-type]
with pytest.raises(ValueError):
Image.new("RGB", (0,)) # Tuple too short
# tuple too short
Image.new("RGB", (0,)) # type: ignore[arg-type]
with pytest.raises(ValueError):
Image.new("RGB", (-1, -1)) # w,h < 0
@ -539,6 +576,7 @@ class TestImage:
for mode in ("I", "F", "L"):
im = Image.new(mode, (100, 100), (5,))
px = im.load()
assert px is not None
assert px[0, 0] == 5
def test_linear_gradient_wrong_mode(self) -> None:
@ -633,7 +671,9 @@ class TestImage:
im_remapped = im.remap_palette([1, 0])
assert im_remapped.info["transparency"] == 1
assert len(im_remapped.getpalette()) == 6
palette = im_remapped.getpalette()
assert palette is not None
assert len(palette) == 6
# Test unused transparency
im.info["transparency"] = 2
@ -664,7 +704,7 @@ class TestImage:
else:
assert new_image.palette is None
_make_new(im, im_p, ImagePalette.ImagePalette(list(range(256)) * 3))
_make_new(im, im_p, ImagePalette.ImagePalette("RGB"))
_make_new(im_p, im, None)
_make_new(im, blank_p, ImagePalette.ImagePalette())
_make_new(im, blank_pa, ImagePalette.ImagePalette())
@ -897,6 +937,25 @@ class TestImage:
assert tag not in exif.get_ifd(0x8769)
assert exif.get_ifd(0xA005)
def test_empty_xmp(self) -> None:
with Image.open("Tests/images/hopper.gif") as im:
assert im.getxmp() == {}
def test_getxmp_padded(self) -> None:
im = Image.new("RGB", (1, 1))
im.info["xmp"] = (
b'<?xpacket begin="\xef\xbb\xbf" id="W5M0MpCehiHzreSzNTczkc9d"?>\n'
b'<x:xmpmeta xmlns:x="adobe:ns:meta/" />\n<?xpacket end="w"?>\x00\x00'
)
if ElementTree is None:
with pytest.warns(
UserWarning,
match="XMP data cannot be read without defusedxml dependency",
):
assert im.getxmp() == {}
else:
assert im.getxmp() == {"xmpmeta": None}
@pytest.mark.parametrize("size", ((1, 0), (0, 1), (0, 0)))
def test_zero_tobytes(self, size: tuple[int, int]) -> None:
im = Image.new("RGB", size)

195
Tests/test_image_access.py
View File

@ -12,19 +12,6 @@ from PIL import Image
from .helper import assert_image_equal, hopper, is_win32
# CFFI imports pycparser which doesn't support PYTHONOPTIMIZE=2
# https://github.com/eliben/pycparser/pull/198#issuecomment-317001670
cffi: ModuleType | None
if os.environ.get("PYTHONOPTIMIZE") == "2":
cffi = None
else:
try:
import cffi
from PIL import PyAccess
except ImportError:
cffi = None
numpy: ModuleType | None
try:
import numpy
@ -32,21 +19,7 @@ except ImportError:
numpy = None
class AccessTest:
# Initial value
_init_cffi_access = Image.USE_CFFI_ACCESS
_need_cffi_access = False
@classmethod
def setup_class(cls) -> None:
Image.USE_CFFI_ACCESS = cls._need_cffi_access
@classmethod
def teardown_class(cls) -> None:
Image.USE_CFFI_ACCESS = cls._init_cffi_access
class TestImagePutPixel(AccessTest):
class TestImagePutPixel:
def test_sanity(self) -> None:
im1 = hopper()
im2 = Image.new(im1.mode, im1.size, 0)
@ -54,7 +27,9 @@ class TestImagePutPixel(AccessTest):
for y in range(im1.size[1]):
for x in range(im1.size[0]):
pos = x, y
im2.putpixel(pos, im1.getpixel(pos))
value = im1.getpixel(pos)
assert value is not None
im2.putpixel(pos, value)
assert_image_equal(im1, im2)
@ -64,7 +39,9 @@ class TestImagePutPixel(AccessTest):
for y in range(im1.size[1]):
for x in range(im1.size[0]):
pos = x, y
im2.putpixel(pos, im1.getpixel(pos))
value = im1.getpixel(pos)
assert value is not None
im2.putpixel(pos, value)
assert not im2.readonly
assert_image_equal(im1, im2)
@ -74,10 +51,12 @@ class TestImagePutPixel(AccessTest):
pix1 = im1.load()
pix2 = im2.load()
assert pix1 is not None
assert pix2 is not None
with pytest.raises(TypeError):
pix1[0, "0"]
pix1[0, "0"] # type: ignore[index]
with pytest.raises(TypeError):
pix1["0", 0]
pix1["0", 0] # type: ignore[index]
for y in range(im1.size[1]):
for x in range(im1.size[0]):
@ -96,7 +75,9 @@ class TestImagePutPixel(AccessTest):
for y in range(-1, -im1.size[1] - 1, -1):
for x in range(-1, -im1.size[0] - 1, -1):
pos = x, y
im2.putpixel(pos, im1.getpixel(pos))
value = im1.getpixel(pos)
assert value is not None
im2.putpixel(pos, value)
assert_image_equal(im1, im2)
@ -106,7 +87,9 @@ class TestImagePutPixel(AccessTest):
for y in range(-1, -im1.size[1] - 1, -1):
for x in range(-1, -im1.size[0] - 1, -1):
pos = x, y
im2.putpixel(pos, im1.getpixel(pos))
value = im1.getpixel(pos)
assert value is not None
im2.putpixel(pos, value)
assert not im2.readonly
assert_image_equal(im1, im2)
@ -116,6 +99,8 @@ class TestImagePutPixel(AccessTest):
pix1 = im1.load()
pix2 = im2.load()
assert pix1 is not None
assert pix2 is not None
for y in range(-1, -im1.size[1] - 1, -1):
for x in range(-1, -im1.size[0] - 1, -1):
pix2[x, y] = pix1[x, y]
@ -125,13 +110,14 @@ class TestImagePutPixel(AccessTest):
@pytest.mark.skipif(numpy is None, reason="NumPy not installed")
def test_numpy(self) -> None:
im = hopper()
pix = im.load()
px = im.load()
assert px is not None
assert numpy is not None
assert pix[numpy.int32(1), numpy.int32(2)] == (18, 20, 59)
assert px[numpy.int32(1), numpy.int32(2)] == (18, 20, 59)
class TestImageGetPixel(AccessTest):
class TestImageGetPixel:
@staticmethod
def color(mode: str) -> int | tuple[int, ...]:
bands = Image.getmodebands(mode)
@ -144,9 +130,6 @@ class TestImageGetPixel(AccessTest):
return tuple(range(1, bands + 1))
def check(self, mode: str, expected_color_int: int | None = None) -> None:
if self._need_cffi_access and mode.startswith("BGR;"):
pytest.skip("Support not added to deprecated module for BGR;* modes")
expected_color = (
self.color(mode) if expected_color_int is None else expected_color_int
)
@ -171,15 +154,14 @@ class TestImageGetPixel(AccessTest):
# Check 0x0 image with None initial color
im = Image.new(mode, (0, 0), None)
assert im.load() is not None
error = ValueError if self._need_cffi_access else IndexError
with pytest.raises(error):
with pytest.raises(IndexError):
im.putpixel((0, 0), expected_color)
with pytest.raises(error):
with pytest.raises(IndexError):
im.getpixel((0, 0))
# Check negative index
with pytest.raises(error):
with pytest.raises(IndexError):
im.putpixel((-1, -1), expected_color)
with pytest.raises(error):
with pytest.raises(IndexError):
im.getpixel((-1, -1))
# Check initial color
@ -199,10 +181,10 @@ class TestImageGetPixel(AccessTest):
# Check 0x0 image with initial color
im = Image.new(mode, (0, 0), expected_color)
with pytest.raises(error):
with pytest.raises(IndexError):
im.getpixel((0, 0))
# Check negative index
with pytest.raises(error):
with pytest.raises(IndexError):
im.getpixel((-1, -1))
@pytest.mark.parametrize("mode", Image.MODES)
@ -235,120 +217,7 @@ class TestImageGetPixel(AccessTest):
assert im.convert("RGBA").getpixel((0, 0)) == (255, 0, 0, alpha)
@pytest.mark.filterwarnings("ignore::DeprecationWarning")
@pytest.mark.skipif(cffi is None, reason="No CFFI")
class TestCffiPutPixel(TestImagePutPixel):
_need_cffi_access = True
@pytest.mark.filterwarnings("ignore::DeprecationWarning")
@pytest.mark.skipif(cffi is None, reason="No CFFI")
class TestCffiGetPixel(TestImageGetPixel):
_need_cffi_access = True
@pytest.mark.skipif(cffi is None, reason="No CFFI")
class TestCffi(AccessTest):
_need_cffi_access = True
def _test_get_access(self, im: Image.Image) -> None:
"""Do we get the same thing as the old pixel access
Using private interfaces, forcing a capi access and
a pyaccess for the same image"""
caccess = im.im.pixel_access(False)
with pytest.warns(DeprecationWarning):
access = PyAccess.new(im, False)
w, h = im.size
for x in range(0, w, 10):
for y in range(0, h, 10):
assert access[(x, y)] == caccess[(x, y)]
# Access an out-of-range pixel
with pytest.raises(ValueError):
access[(access.xsize + 1, access.ysize + 1)]
def test_get_vs_c(self) -> None:
with pytest.warns(DeprecationWarning):
rgb = hopper("RGB")
rgb.load()
self._test_get_access(rgb)
for mode in ("RGBA", "L", "LA", "1", "P", "F"):
self._test_get_access(hopper(mode))
for mode in ("I;16", "I;16L", "I;16B", "I;16N", "I"):
im = Image.new(mode, (10, 10), 40000)
self._test_get_access(im)
def _test_set_access(self, im: Image.Image, color: tuple[int, ...] | float) -> None:
"""Are we writing the correct bits into the image?
Using private interfaces, forcing a capi access and
a pyaccess for the same image"""
caccess = im.im.pixel_access(False)
with pytest.warns(DeprecationWarning):
access = PyAccess.new(im, False)
w, h = im.size
for x in range(0, w, 10):
for y in range(0, h, 10):
access[(x, y)] = color
assert color == caccess[(x, y)]
# Attempt to set the value on a read-only image
with pytest.warns(DeprecationWarning):
access = PyAccess.new(im, True)
with pytest.raises(ValueError):
access[(0, 0)] = color
def test_set_vs_c(self) -> None:
rgb = hopper("RGB")
with pytest.warns(DeprecationWarning):
rgb.load()
self._test_set_access(rgb, (255, 128, 0))
self._test_set_access(hopper("RGBA"), (255, 192, 128, 0))
self._test_set_access(hopper("L"), 128)
self._test_set_access(hopper("LA"), (128, 128))
self._test_set_access(hopper("1"), 255)
self._test_set_access(hopper("P"), 128)
self._test_set_access(hopper("PA"), (128, 128))
self._test_set_access(hopper("F"), 1024.0)
for mode in ("I;16", "I;16L", "I;16B", "I;16N", "I"):
im = Image.new(mode, (10, 10), 40000)
self._test_set_access(im, 45000)
@pytest.mark.filterwarnings("ignore::DeprecationWarning")
def test_not_implemented(self) -> None:
assert PyAccess.new(hopper("BGR;15")) is None
# Ref https://github.com/python-pillow/Pillow/pull/2009
def test_reference_counting(self) -> None:
size = 10
for _ in range(10):
# Do not save references to the image, only to the access object
with pytest.warns(DeprecationWarning):
px = Image.new("L", (size, 1), 0).load()
for i in range(size):
# Pixels can contain garbage if image is released
assert px[i, 0] == 0
@pytest.mark.parametrize("mode", ("P", "PA"))
def test_p_putpixel_rgb_rgba(self, mode: str) -> None:
for color in ((255, 0, 0), (255, 0, 0, 127 if mode == "PA" else 255)):
im = Image.new(mode, (1, 1))
with pytest.warns(DeprecationWarning):
access = PyAccess.new(im, False)
access.putpixel((0, 0), color)
if len(color) == 3:
color += (255,)
assert im.convert("RGBA").getpixel((0, 0)) == color
class TestImagePutPixelError(AccessTest):
class TestImagePutPixelError:
IMAGE_MODES1 = ["LA", "RGB", "RGBA", "BGR;15"]
IMAGE_MODES2 = ["L", "I", "I;16"]
INVALID_TYPES = ["foo", 1.0, None]
@ -358,7 +227,7 @@ class TestImagePutPixelError(AccessTest):
im = hopper(mode)
for v in self.INVALID_TYPES:
with pytest.raises(TypeError, match="color must be int or tuple"):
im.putpixel((0, 0), v)
im.putpixel((0, 0), v) # type: ignore[arg-type]
@pytest.mark.parametrize(
("mode", "band_numbers", "match"),
@ -392,7 +261,7 @@ class TestImagePutPixelError(AccessTest):
with pytest.raises(
TypeError, match="color must be int or single-element tuple"
):
im.putpixel((0, 0), v)
im.putpixel((0, 0), v) # type: ignore[arg-type]
@pytest.mark.parametrize("mode", IMAGE_MODES1 + IMAGE_MODES2)
def test_putpixel_overflow_error(self, mode: str) -> None:

9
Tests/test_image_array.py
View File

@ -1,6 +1,6 @@
from __future__ import annotations
from typing import Any
from typing import TYPE_CHECKING, Any
import pytest
from packaging.version import parse as parse_version
@ -13,13 +13,16 @@ numpy = pytest.importorskip("numpy", reason="NumPy not installed")
im = hopper().resize((128, 100))
if TYPE_CHECKING:
import numpy.typing as npt
def test_toarray() -> None:
def test(mode: str) -> tuple[tuple[int, ...], str, int]:
ai = numpy.array(im.convert(mode))
return ai.shape, ai.dtype.str, ai.nbytes
def test_with_dtype(dtype) -> None:
def test_with_dtype(dtype: npt.DTypeLike) -> None:
ai = numpy.array(im, dtype=dtype)
assert ai.dtype == dtype
@ -86,8 +89,8 @@ def test_fromarray() -> None:
assert test("RGBX") == ("RGBA", (128, 100), True)
# Test mode is None with no "typestr" in the array interface
wrapped = Wrapper(hopper("L"), {"shape": (100, 128)})
with pytest.raises(TypeError):
wrapped = Wrapper(test("L"), {"shape": (100, 128)})
Image.fromarray(wrapped)

2
Tests/test_image_convert.py
View File

@ -222,8 +222,10 @@ def test_l_macro_rounding(convert_mode: str) -> None:
converted_im = im.convert(convert_mode)
px = converted_im.load()
assert px is not None
converted_color = px[0, 0]
if convert_mode == "LA":
assert isinstance(converted_color, tuple)
converted_color = converted_color[0]
assert converted_color == 1

26
Tests/test_image_crop.py
View File

@ -18,7 +18,7 @@ def test_crop(mode: str) -> None:
def test_wide_crop() -> None:
def crop(*bbox: int) -> tuple[int, ...]:
def crop(bbox: tuple[int, int, int, int]) -> tuple[int, ...]:
i = im.crop(bbox)
h = i.histogram()
while h and not h[-1]:
@ -27,23 +27,23 @@ def test_wide_crop() -> None:
im = Image.new("L", (100, 100), 1)
assert crop(0, 0, 100, 100) == (0, 10000)
assert crop(25, 25, 75, 75) == (0, 2500)
assert crop((0, 0, 100, 100)) == (0, 10000)
assert crop((25, 25, 75, 75)) == (0, 2500)
# sides
assert crop(-25, 0, 25, 50) == (1250, 1250)
assert crop(0, -25, 50, 25) == (1250, 1250)
assert crop(75, 0, 125, 50) == (1250, 1250)
assert crop(0, 75, 50, 125) == (1250, 1250)
assert crop((-25, 0, 25, 50)) == (1250, 1250)
assert crop((0, -25, 50, 25)) == (1250, 1250)
assert crop((75, 0, 125, 50)) == (1250, 1250)
assert crop((0, 75, 50, 125)) == (1250, 1250)
assert crop(-25, 25, 125, 75) == (2500, 5000)
assert crop(25, -25, 75, 125) == (2500, 5000)
assert crop((-25, 25, 125, 75)) == (2500, 5000)
assert crop((25, -25, 75, 125)) == (2500, 5000)
# corners
assert crop(-25, -25, 25, 25) == (1875, 625)
assert crop(75, -25, 125, 25) == (1875, 625)
assert crop(75, 75, 125, 125) == (1875, 625)
assert crop(-25, 75, 25, 125) == (1875, 625)
assert crop((-25, -25, 25, 25)) == (1875, 625)
assert crop((75, -25, 125, 25)) == (1875, 625)
assert crop((75, 75, 125, 125)) == (1875, 625)
assert crop((-25, 75, 25, 125)) == (1875, 625)
@pytest.mark.parametrize("box", ((8, 2, 2, 8), (2, 8, 8, 2), (8, 8, 2, 2)))

4
Tests/test_image_draft.py
View File

@ -16,7 +16,9 @@ def draft_roundtrip(
im = Image.new(in_mode, in_size)
data = tostring(im, "JPEG")
im = fromstring(data)
mode, box = im.draft(req_mode, req_size)
result = im.draft(req_mode, req_size)
assert result is not None
box = result[1]
scale, _ = im.decoderconfig
assert box[:2] == (0, 0)
assert (im.width - scale) < box[2] <= im.width

6
Tests/test_image_filter.py
View File

@ -46,9 +46,9 @@ def test_sanity(filter_to_apply: ImageFilter.Filter, mode: str) -> None:
@pytest.mark.parametrize("mode", ("L", "I", "RGB", "CMYK"))
def test_sanity_error(mode: str) -> None:
im = hopper(mode)
with pytest.raises(TypeError):
im = hopper(mode)
im.filter("hello")
im.filter("hello") # type: ignore[arg-type]
# crashes on small images
@ -137,7 +137,7 @@ def test_builtinfilter_p() -> None:
builtin_filter = ImageFilter.BuiltinFilter()
with pytest.raises(ValueError):
builtin_filter.filter(hopper("P"))
builtin_filter.filter(hopper("P").im)
def test_kernel_not_enough_coefficients() -> None:

4
Tests/test_image_getcolors.py
View File

@ -54,17 +54,21 @@ def test_pack() -> None:
assert A is None
A = im.getcolors(maxcolors=3)
assert A is not None
A.sort()
assert A == expected
A = im.getcolors(maxcolors=4)
assert A is not None
A.sort()
assert A == expected
A = im.getcolors(maxcolors=8)
assert A is not None
A.sort()
assert A == expected
A = im.getcolors(maxcolors=16)
assert A is not None
A.sort()
assert A == expected

2
Tests/test_image_getextrema.py
View File

@ -6,7 +6,7 @@ from .helper import hopper
def test_extrema() -> None:
def extrema(mode: str) -> tuple[int, int] | tuple[tuple[int, int], ...]:
def extrema(mode: str) -> tuple[float, float] | tuple[tuple[int, int], ...]:
return hopper(mode).getextrema()
assert extrema("1") == (0, 255)

5
Tests/test_image_load.py
View File

@ -12,9 +12,10 @@ from .helper import hopper
def test_sanity() -> None:
im = hopper()
pix = im.load()
px = im.load()
assert pix[0, 0] == (20, 20, 70)
assert px is not None
assert px[0, 0] == (20, 20, 70)
def test_close() -> None:

6
Tests/test_image_mode.py
View File

@ -68,7 +68,11 @@ def test_sanity() -> None:
),
)
def test_properties(
mode, expected_base, expected_type, expected_bands, expected_band_names
mode: str,
expected_base: str,
expected_type: str,
expected_bands: int,
expected_band_names: tuple[str, ...],
) -> None:
assert Image.getmodebase(mode) == expected_base
assert Image.getmodetype(mode) == expected_type

8
Tests/test_image_paste.py
View File

@ -14,6 +14,7 @@ class TestImagingPaste:
self, im: Image.Image, expected: list[tuple[int, int, int, int]]
) -> None:
px = im.load()
assert px is not None
actual = [
px[0, 0],
px[self.size // 2, 0],
@ -48,6 +49,7 @@ class TestImagingPaste:
def mask_1(self) -> Image.Image:
mask = Image.new("1", (self.size, self.size))
px = mask.load()
assert px is not None
for y in range(mask.height):
for x in range(mask.width):
px[y, x] = (x + y) % 2
@ -61,6 +63,7 @@ class TestImagingPaste:
def gradient_L(self) -> Image.Image:
gradient = Image.new("L", (self.size, self.size))
px = gradient.load()
assert px is not None
for y in range(gradient.height):
for x in range(gradient.width):
px[y, x] = (x + y) % 255
@ -338,3 +341,8 @@ class TestImagingPaste:
im.copy().paste(im2)
im.copy().paste(im2, (0, 0))
def test_incorrect_abbreviated_form(self) -> None:
im = Image.new("L", (1, 1))
with pytest.raises(ValueError):
im.paste(im, im, im)

2
Tests/test_image_point.py
View File

@ -61,4 +61,4 @@ def test_f_lut() -> None:
def test_f_mode() -> None:
im = hopper("F")
with pytest.raises(ValueError):
im.point(None)
im.point([])

2
Tests/test_image_putdata.py
View File

@ -31,7 +31,7 @@ def test_sanity() -> None:
def test_long_integers() -> None:
# see bug-200802-systemerror
def put(value: int) -> tuple[int, int, int, int]:
def put(value: int) -> float | tuple[int, ...] | None:
im = Image.new("RGBA", (1, 1))
im.putdata([value])
return im.getpixel((0, 0))

1
Tests/test_image_putpalette.py
View File

@ -79,6 +79,7 @@ def test_putpalette_with_alpha_values() -> None:
(
("RGBA", (1, 2, 3, 4)),
("RGBAX", (1, 2, 3, 4, 0)),
("ARGB", (4, 1, 2, 3)),
),
)
def test_rgba_palette(mode: str, palette: tuple[int, ...]) -> None:

23
Tests/test_image_quantize.py
View File

@ -24,13 +24,16 @@ def test_sanity() -> None:
def test_libimagequant_quantize() -> None:
image = hopper()
if is_ppc64le():
libimagequant = parse_version(features.version_feature("libimagequant"))
if libimagequant < parse_version("4"):
version = features.version_feature("libimagequant")
assert version is not None
if parse_version(version) < parse_version("4"):
pytest.skip("Fails with libimagequant earlier than 4.0.0 on ppc64le")
converted = image.quantize(100, Image.Quantize.LIBIMAGEQUANT)
assert converted.mode == "P"
assert_image_similar(converted.convert("RGB"), image, 15)
assert len(converted.getcolors()) == 100
colors = converted.getcolors()
assert colors is not None
assert len(colors) == 100
def test_octree_quantize() -> None:
@ -38,7 +41,9 @@ def test_octree_quantize() -> None:
converted = image.quantize(100, Image.Quantize.FASTOCTREE)
assert converted.mode == "P"
assert_image_similar(converted.convert("RGB"), image, 20)
assert len(converted.getcolors()) == 100
colors = converted.getcolors()
assert colors is not None
assert len(colors) == 100
def test_rgba_quantize() -> None:
@ -79,6 +84,7 @@ def test_quantize_no_dither2() -> None:
assert tuple(quantized.palette.palette) == data
px = quantized.load()
assert px is not None
for x in range(9):
assert px[x, 0] == (0 if x < 5 else 1)
@ -97,7 +103,7 @@ def test_quantize_dither_diff() -> None:
@pytest.mark.parametrize(
"method", (Image.Quantize.MEDIANCUT, Image.Quantize.MAXCOVERAGE)
)
def test_quantize_kmeans(method) -> None:
def test_quantize_kmeans(method: Image.Quantize) -> None:
im = hopper()
no_kmeans = im.quantize(kmeans=0, method=method)
kmeans = im.quantize(kmeans=1, method=method)
@ -117,10 +123,12 @@ def test_colors() -> None:
def test_transparent_colors_equal() -> None:
im = Image.new("RGBA", (1, 2), (0, 0, 0, 0))
px = im.load()
assert px is not None
px[0, 1] = (255, 255, 255, 0)
converted = im.quantize()
converted_px = converted.load()
assert converted_px is not None
assert converted_px[0, 0] == converted_px[0, 1]
@ -138,6 +146,7 @@ def test_palette(method: Image.Quantize, color: tuple[int, ...]) -> None:
converted = im.quantize(method=method)
converted_px = converted.load()
assert converted_px is not None
assert converted_px[0, 0] == converted.palette.colors[color]
@ -153,4 +162,6 @@ def test_small_palette() -> None:
im = im.quantize(palette=p)
# Assert
assert len(im.getcolors()) == 2
quantized_colors = im.getcolors()
assert quantized_colors is not None
assert len(quantized_colors) == 2

14
Tests/test_image_reduce.py
View File

@ -56,10 +56,12 @@ def test_args_factor(size: int | tuple[int, int], expected: tuple[int, int]) ->
@pytest.mark.parametrize(
"size, expected_error", ((0, ValueError), (2.0, TypeError), ((0, 10), ValueError))
)
def test_args_factor_error(size: float | tuple[int, int], expected_error) -> None:
def test_args_factor_error(
size: float | tuple[int, int], expected_error: type[Exception]
) -> None:
im = Image.new("L", (10, 10))
with pytest.raises(expected_error):
im.reduce(size)
im.reduce(size) # type: ignore[arg-type]
@pytest.mark.parametrize(
@ -86,10 +88,12 @@ def test_args_box(size: tuple[int, int, int, int], expected: tuple[int, int]) ->
((5, 0, 5, 10), ValueError),
),
)
def test_args_box_error(size: str | tuple[int, int, int, int], expected_error) -> None:
def test_args_box_error(
size: str | tuple[int, int, int, int], expected_error: type[Exception]
) -> None:
im = Image.new("L", (10, 10))
with pytest.raises(expected_error):
im.reduce(2, size).size
im.reduce(2, size).size # type: ignore[arg-type]
@pytest.mark.parametrize("mode", ("P", "1", "I;16"))
@ -102,7 +106,7 @@ def test_unsupported_modes(mode: str) -> None:
def get_image(mode: str) -> Image.Image:
mode_info = ImageMode.getmode(mode)
if mode_info.basetype == "L":
bands = [gradients_image]
bands: list[Image.Image] = [gradients_image]
for _ in mode_info.bands[1:]:
# rotate previous image
band = bands[-1].transpose(Image.Transpose.ROTATE_90)

38
Tests/test_image_resample.py
View File

@ -1,7 +1,7 @@
from __future__ import annotations
from collections.abc import Generator
from contextlib import contextmanager
from typing import Generator
import pytest
@ -74,6 +74,7 @@ class TestImagingCoreResampleAccuracy:
data = data.replace(" ", "")
sample = Image.new("L", size)
s_px = sample.load()
assert s_px is not None
w, h = size[0] // 2, size[1] // 2
for y in range(h):
for x in range(w):
@ -87,6 +88,8 @@ class TestImagingCoreResampleAccuracy:
def check_case(self, case: Image.Image, sample: Image.Image) -> None:
s_px = sample.load()
c_px = case.load()
assert s_px is not None
assert c_px is not None
for y in range(case.size[1]):
for x in range(case.size[0]):
if c_px[x, y] != s_px[x, y]:
@ -98,6 +101,7 @@ class TestImagingCoreResampleAccuracy:
def serialize_image(self, image: Image.Image) -> str:
s_px = image.load()
assert s_px is not None
return "\n".join(
" ".join(f"{s_px[x, y]:02x}" for x in range(image.size[0]))
for y in range(image.size[1])
@ -233,13 +237,16 @@ class TestImagingCoreResampleAccuracy:
class TestCoreResampleConsistency:
def make_case(
self, mode: str, fill: tuple[int, int, int] | float
) -> tuple[Image.Image, tuple[int, ...]]:
) -> tuple[Image.Image, float | tuple[int, ...]]:
im = Image.new(mode, (512, 9), fill)
return im.resize((9, 512), Image.Resampling.LANCZOS), im.load()[0, 0]
px = im.load()
assert px is not None
return im.resize((9, 512), Image.Resampling.LANCZOS), px[0, 0]
def run_case(self, case: tuple[Image.Image, int | tuple[int, ...]]) -> None:
def run_case(self, case: tuple[Image.Image, float | tuple[int, ...]]) -> None:
channel, color = case
px = channel.load()
assert px is not None
for x in range(channel.size[0]):
for y in range(channel.size[1]):
if px[x, y] != color:
@ -249,6 +256,7 @@ class TestCoreResampleConsistency:
def test_8u(self) -> None:
im, color = self.make_case("RGB", (0, 64, 255))
r, g, b = im.split()
assert isinstance(color, tuple)
self.run_case((r, color[0]))
self.run_case((g, color[1]))
self.run_case((b, color[2]))
@ -271,6 +279,7 @@ class TestCoreResampleAlphaCorrect:
def make_levels_case(self, mode: str) -> Image.Image:
i = Image.new(mode, (256, 16))
px = i.load()
assert px is not None
for y in range(i.size[1]):
for x in range(i.size[0]):
pix = [x] * len(mode)
@ -280,8 +289,13 @@ class TestCoreResampleAlphaCorrect:
def run_levels_case(self, i: Image.Image) -> None:
px = i.load()
assert px is not None
for y in range(i.size[1]):
used_colors = {px[x, y][0] for x in range(i.size[0])}
used_colors = set()
for x in range(i.size[0]):
value = px[x, y]
assert isinstance(value, tuple)
used_colors.add(value[0])
assert 256 == len(used_colors), (
"All colors should be present in resized image. "
f"Only {len(used_colors)} on line {y}."
@ -310,6 +324,7 @@ class TestCoreResampleAlphaCorrect:
) -> Image.Image:
i = Image.new(mode, (64, 64), dirty_pixel)
px = i.load()
assert px is not None
xdiv4 = i.size[0] // 4
ydiv4 = i.size[1] // 4
for y in range(ydiv4 * 2):
@ -319,14 +334,16 @@ class TestCoreResampleAlphaCorrect:
def run_dirty_case(self, i: Image.Image, clean_pixel: tuple[int, ...]) -> None:
px = i.load()
assert px is not None
for y in range(i.size[1]):
for x in range(i.size[0]):
if px[x, y][-1] != 0 and px[x, y][:-1] != clean_pixel:
value = px[x, y]
assert isinstance(value, tuple)
if value[-1] != 0 and value[:-1] != clean_pixel:
message = (
f"pixel at ({x}, {y}) is different:\n"
f"{px[x, y]}\n{clean_pixel}"
f"pixel at ({x}, {y}) is different:\n{value}\n{clean_pixel}"
)
assert px[x, y][:3] == clean_pixel, message
assert value[:3] == clean_pixel, message
def test_dirty_pixels_rgba(self) -> None:
case = self.make_dirty_case("RGBA", (255, 255, 0, 128), (0, 0, 255, 0))
@ -406,6 +423,7 @@ class TestCoreResampleCoefficients:
draw.rectangle((0, 0, i.size[0] // 2 - 1, 0), test_color)
px = i.resize((5, i.size[1]), Image.Resampling.BICUBIC).load()
assert px is not None
if px[2, 0] != test_color // 2:
assert test_color // 2 == px[2, 0]
@ -445,7 +463,7 @@ class TestCoreResampleBox:
im.resize((32, 32), resample, (20, 20, 100, 20))
with pytest.raises(TypeError, match="must be sequence of length 4"):
im.resize((32, 32), resample, (im.width, im.height))
im.resize((32, 32), resample, (im.width, im.height)) # type: ignore[arg-type]
with pytest.raises(ValueError, match="can't be negative"):
im.resize((32, 32), resample, (-20, 20, 100, 100))

8
Tests/test_image_resize.py
View File

@ -4,9 +4,9 @@ Tests for resize functionality.
from __future__ import annotations
from collections.abc import Generator
from itertools import permutations
from pathlib import Path
from typing import Generator
import pytest
@ -285,14 +285,14 @@ class TestReducingGapResize:
class TestImageResize:
def test_resize(self) -> None:
def resize(mode: str, size: tuple[int, int]) -> None:
def resize(mode: str, size: tuple[int, int] | list[int]) -> None:
out = hopper(mode).resize(size)
assert out.mode == mode
assert out.size == size
assert out.size == tuple(size)
for mode in "1", "P", "L", "RGB", "I", "F":
resize(mode, (112, 103))
resize(mode, (188, 214))
resize(mode, [188, 214])
# Test unknown resampling filter
with hopper() as im:

4
Tests/test_image_rotate.py
View File

@ -124,8 +124,8 @@ def test_fastpath_translate() -> None:
def test_center() -> None:
im = hopper()
rotate(im, im.mode, 45, center=(0, 0))
rotate(im, im.mode, 45, translate=(im.size[0] / 2, 0))
rotate(im, im.mode, 45, center=(0, 0), translate=(im.size[0] / 2, 0))
rotate(im, im.mode, 45, translate=(im.size[0] // 2, 0))
rotate(im, im.mode, 45, center=(0, 0), translate=(im.size[0] // 2, 0))
def test_rotate_no_fill() -> None:

6
Tests/test_image_thumbnail.py
View File

@ -16,7 +16,7 @@ from .helper import (
def test_sanity() -> None:
im = hopper()
assert im.thumbnail((100, 100)) is None
im.thumbnail((100, 100))
assert im.size == (100, 100)
@ -111,7 +111,9 @@ def test_load_first_unless_jpeg() -> None:
with Image.open("Tests/images/hopper.jpg") as im:
draft = im.draft
def im_draft(mode: str, size: tuple[int, int]):
def im_draft(
mode: str, size: tuple[int, int]
) -> tuple[str, tuple[int, int, float, float]] | None:
result = draft(mode, size)
assert result is not None

5
Tests/test_image_transform.py
View File

@ -192,8 +192,9 @@ class TestImageTransform:
im = op(im, (40, 10))
colors = sorted(im.getcolors())
assert colors == sorted(
colors = im.getcolors()
assert colors is not None
assert sorted(colors) == sorted(
(
(20 * 10, opaque),
(20 * 10, transparent),

26
Tests/test_imagechops.py
View File

@ -391,23 +391,25 @@ def test_overlay() -> None:
def test_logical() -> None:
def table(
op: Callable[[Image.Image, Image.Image], Image.Image], a: int, b: int
) -> tuple[int, int, int, int]:
) -> list[float]:
out = []
for x in (a, b):
imx = Image.new("1", (1, 1), x)
for y in (a, b):
imy = Image.new("1", (1, 1), y)
out.append(op(imx, imy).getpixel((0, 0)))
return tuple(out)
value = op(imx, imy).getpixel((0, 0))
assert not isinstance(value, tuple) and value is not None
out.append(value)
return out
assert table(ImageChops.logical_and, 0, 1) == (0, 0, 0, 255)
assert table(ImageChops.logical_or, 0, 1) == (0, 255, 255, 255)
assert table(ImageChops.logical_xor, 0, 1) == (0, 255, 255, 0)
assert table(ImageChops.logical_and, 0, 1) == [0, 0, 0, 255]
assert table(ImageChops.logical_or, 0, 1) == [0, 255, 255, 255]
assert table(ImageChops.logical_xor, 0, 1) == [0, 255, 255, 0]
assert table(ImageChops.logical_and, 0, 128) == (0, 0, 0, 255)
assert table(ImageChops.logical_or, 0, 128) == (0, 255, 255, 255)
assert table(ImageChops.logical_xor, 0, 128) == (0, 255, 255, 0)
assert table(ImageChops.logical_and, 0, 128) == [0, 0, 0, 255]
assert table(ImageChops.logical_or, 0, 128) == [0, 255, 255, 255]
assert table(ImageChops.logical_xor, 0, 128) == [0, 255, 255, 0]
assert table(ImageChops.logical_and, 0, 255) == (0, 0, 0, 255)
assert table(ImageChops.logical_or, 0, 255) == (0, 255, 255, 255)
assert table(ImageChops.logical_xor, 0, 255) == (0, 255, 255, 0)
assert table(ImageChops.logical_and, 0, 255) == [0, 0, 0, 255]
assert table(ImageChops.logical_or, 0, 255) == [0, 255, 255, 255]
assert table(ImageChops.logical_xor, 0, 255) == [0, 255, 255, 0]

77
Tests/test_imagecms.py
View File

@ -7,7 +7,7 @@ import shutil
import sys
from io import BytesIO
from pathlib import Path
from typing import Any
from typing import Any, Literal, cast
import pytest
@ -60,10 +60,13 @@ def test_sanity() -> None:
assert list(map(type, v)) == [str, str, str, str]
# internal version number
assert re.search(r"\d+\.\d+(\.\d+)?$", features.version_module("littlecms2"))
version = features.version_module("littlecms2")
assert version is not None
assert re.search(r"\d+\.\d+(\.\d+)?$", version)
skip_missing()
i = ImageCms.profileToProfile(hopper(), SRGB, SRGB)
assert i is not None
assert_image(i, "RGB", (128, 128))
i = hopper()
@ -72,23 +75,27 @@ def test_sanity() -> None:
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
i = ImageCms.applyTransform(hopper(), t)
assert i is not None
assert_image(i, "RGB", (128, 128))
with hopper() as i:
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
ImageCms.applyTransform(hopper(), t, inPlace=True)
assert i is not None
assert_image(i, "RGB", (128, 128))
p = ImageCms.createProfile("sRGB")
o = ImageCms.getOpenProfile(SRGB)
t = ImageCms.buildTransformFromOpenProfiles(p, o, "RGB", "RGB")
i = ImageCms.applyTransform(hopper(), t)
assert i is not None
assert_image(i, "RGB", (128, 128))
t = ImageCms.buildProofTransform(SRGB, SRGB, SRGB, "RGB", "RGB")
assert t.inputMode == "RGB"
assert t.outputMode == "RGB"
i = ImageCms.applyTransform(hopper(), t)
assert i is not None
assert_image(i, "RGB", (128, 128))
# test PointTransform convenience API
@ -96,7 +103,7 @@ def test_sanity() -> None:
def test_flags() -> None:
assert ImageCms.Flags.NONE == 0
assert ImageCms.Flags.NONE.value == 0
assert ImageCms.Flags.GRIDPOINTS(0) == ImageCms.Flags.NONE
assert ImageCms.Flags.GRIDPOINTS(256) == ImageCms.Flags.NONE
@ -202,13 +209,13 @@ def test_exceptions() -> None:
ImageCms.buildTransform("foo", "bar", "RGB", "RGB")
with pytest.raises(ImageCms.PyCMSError, match="Invalid type for Profile"):
ImageCms.getProfileName(None)
ImageCms.getProfileName(None) # type: ignore[arg-type]
skip_missing()
# Python <= 3.9: "an integer is required (got type NoneType)"
# Python > 3.9: "'NoneType' object cannot be interpreted as an integer"
with pytest.raises(ImageCms.PyCMSError, match="integer"):
ImageCms.isIntentSupported(SRGB, None, None)
ImageCms.isIntentSupported(SRGB, None, None) # type: ignore[arg-type]
def test_display_profile() -> None:
@ -232,7 +239,7 @@ def test_unsupported_color_space() -> None:
"Color space not supported for on-the-fly profile creation (unsupported)"
),
):
ImageCms.createProfile("unsupported")
ImageCms.createProfile("unsupported") # type: ignore[arg-type]
def test_invalid_color_temperature() -> None:
@ -240,7 +247,7 @@ def test_invalid_color_temperature() -> None:
ImageCms.PyCMSError,
match='Color temperature must be numeric, "invalid" not valid',
):
ImageCms.createProfile("LAB", "invalid")
ImageCms.createProfile("LAB", "invalid") # type: ignore[arg-type]
@pytest.mark.parametrize("flag", ("my string", -1))
@ -249,7 +256,7 @@ def test_invalid_flag(flag: str | int) -> None:
with pytest.raises(
ImageCms.PyCMSError, match="flags must be an integer between 0 and "
):
ImageCms.profileToProfile(im, "foo", "bar", flags=flag)
ImageCms.profileToProfile(im, "foo", "bar", flags=flag) # type: ignore[arg-type]
def test_simple_lab() -> None:
@ -260,7 +267,7 @@ def test_simple_lab() -> None:
t = ImageCms.buildTransform(psRGB, pLab, "RGB", "LAB")
i_lab = ImageCms.applyTransform(i, t)
assert i_lab is not None
assert i_lab.mode == "LAB"
k = i_lab.getpixel((0, 0))
@ -284,6 +291,7 @@ def test_lab_color() -> None:
# Need to add a type mapping for some PIL type to TYPE_Lab_8 in findLCMSType, and
# have that mapping work back to a PIL mode (likely RGB).
i = ImageCms.applyTransform(hopper(), t)
assert i is not None
assert_image(i, "LAB", (128, 128))
# i.save('temp.lab.tif') # visually verified vs PS.
@ -298,6 +306,7 @@ def test_lab_srgb() -> None:
with Image.open("Tests/images/hopper.Lab.tif") as img:
img_srgb = ImageCms.applyTransform(img, t)
assert img_srgb is not None
# img_srgb.save('temp.srgb.tif') # visually verified vs ps.
@ -317,11 +326,11 @@ def test_lab_roundtrip() -> None:
t2 = ImageCms.buildTransform(pLab, psRGB, "LAB", "RGB")
i = ImageCms.applyTransform(hopper(), t)
assert i is not None
assert i.info["icc_profile"] == ImageCmsProfile(pLab).tobytes()
out = ImageCms.applyTransform(i, t2)
assert out is not None
assert_image_similar(hopper(), out, 2)
@ -343,7 +352,7 @@ def test_extended_information() -> None:
p = o.profile
def assert_truncated_tuple_equal(
tup1: tuple[Any, ...], tup2: tuple[Any, ...], digits: int = 10
tup1: tuple[Any, ...] | None, tup2: tuple[Any, ...], digits: int = 10
) -> None:
# Helper function to reduce precision of tuples of floats
# recursively and then check equality.
@ -359,6 +368,7 @@ def test_extended_information() -> None:
for val in tuple_value
)
assert tup1 is not None
assert truncate_tuple(tup1) == truncate_tuple(tup2)
assert p.attributes == 4294967296
@ -504,22 +514,22 @@ def test_non_ascii_path(tmp_path: Path) -> None:
def test_profile_typesafety() -> None:
# does not segfault
with pytest.raises(TypeError, match="Invalid type for Profile"):
ImageCms.ImageCmsProfile(0).tobytes()
ImageCms.ImageCmsProfile(0) # type: ignore[arg-type]
with pytest.raises(TypeError, match="Invalid type for Profile"):
ImageCms.ImageCmsProfile(1).tobytes()
ImageCms.ImageCmsProfile(1) # type: ignore[arg-type]
# also check core function
with pytest.raises(TypeError):
ImageCms.core.profile_tobytes(0)
ImageCms.core.profile_tobytes(0) # type: ignore[arg-type]
with pytest.raises(TypeError):
ImageCms.core.profile_tobytes(1)
ImageCms.core.profile_tobytes(1) # type: ignore[arg-type]
if not is_pypy():
# core profile should not be directly instantiable
with pytest.raises(TypeError):
ImageCms.core.CmsProfile()
with pytest.raises(TypeError):
ImageCms.core.CmsProfile(0)
ImageCms.core.CmsProfile(0) # type: ignore[call-arg]
@pytest.mark.skipif(is_pypy(), reason="fails on PyPy")
@ -528,7 +538,7 @@ def test_transform_typesafety() -> None:
with pytest.raises(TypeError):
ImageCms.core.CmsTransform()
with pytest.raises(TypeError):
ImageCms.core.CmsTransform(0)
ImageCms.core.CmsTransform(0) # type: ignore[call-arg]
def assert_aux_channel_preserved(
@ -559,9 +569,9 @@ def assert_aux_channel_preserved(
for delta in nine_grid_deltas:
channel_data.paste(
channel_pattern,
tuple(
paste_offset[c] + delta[c] * channel_pattern.size[c]
for c in range(2)
(
paste_offset[0] + delta[0] * channel_pattern.size[0],
paste_offset[1] + delta[1] * channel_pattern.size[1],
),
)
chans.append(channel_data)
@ -578,11 +588,13 @@ def assert_aux_channel_preserved(
)
# apply transform
result_image: Image.Image | None
if transform_in_place:
ImageCms.applyTransform(source_image, t, inPlace=True)
result_image = source_image
else:
result_image = ImageCms.applyTransform(source_image, t, inPlace=False)
assert result_image is not None
result_image_aux = result_image.getchannel(preserved_channel)
assert_image_equal(source_image_aux, result_image_aux)
@ -628,8 +640,10 @@ def test_auxiliary_channels_isolated() -> None:
continue
# convert with and without AUX data, test colors are equal
source_profile = ImageCms.createProfile(src_format[1])
destination_profile = ImageCms.createProfile(dst_format[1])
src_colorSpace = cast(Literal["LAB", "XYZ", "sRGB"], src_format[1])
source_profile = ImageCms.createProfile(src_colorSpace)
dst_colorSpace = cast(Literal["LAB", "XYZ", "sRGB"], dst_format[1])
destination_profile = ImageCms.createProfile(dst_colorSpace)
source_image = src_format[3]
test_transform = ImageCms.buildTransform(
source_profile,
@ -639,6 +653,7 @@ def test_auxiliary_channels_isolated() -> None:
)
# test conversion from aux-ful source
test_image: Image.Image | None
if transform_in_place:
test_image = source_image.copy()
ImageCms.applyTransform(test_image, test_transform, inPlace=True)
@ -646,6 +661,7 @@ def test_auxiliary_channels_isolated() -> None:
test_image = ImageCms.applyTransform(
source_image, test_transform, inPlace=False
)
assert test_image is not None
# reference conversion from aux-less source
reference_transform = ImageCms.buildTransform(
@ -657,13 +673,14 @@ def test_auxiliary_channels_isolated() -> None:
reference_image = ImageCms.applyTransform(
source_image.convert(src_format[2]), reference_transform
)
assert reference_image is not None
assert_image_equal(test_image.convert(dst_format[2]), reference_image)
def test_long_modes() -> None:
p = ImageCms.getOpenProfile("Tests/icc/sGrey-v2-nano.icc")
ImageCms.buildTransform(p, p, "ABCDEFGHI", "ABCDEFGHI")
with pytest.warns(DeprecationWarning):
ImageCms.buildTransform(p, p, "ABCDEFGHI", "ABCDEFGHI")
@pytest.mark.parametrize("mode", ("RGB", "RGBA", "RGBX"))
@ -674,7 +691,9 @@ def test_rgb_lab(mode: str) -> None:
im = Image.new("LAB", (1, 1), (255, 0, 0))
converted_im = im.convert(mode)
assert converted_im.getpixel((0, 0))[:3] == (0, 255, 255)
value = converted_im.getpixel((0, 0))
assert isinstance(value, tuple)
assert value[:3] == (0, 255, 255)
def test_deprecation() -> None:
@ -684,3 +703,9 @@ def test_deprecation() -> None:
assert ImageCms.VERSION == "1.0.0 pil"
with pytest.warns(DeprecationWarning):
assert isinstance(ImageCms.FLAGS, dict)
profile = ImageCmsProfile(ImageCms.createProfile("sRGB"))
with pytest.warns(DeprecationWarning):
ImageCms.ImageCmsTransform(profile, profile, "RGBA;16B", "RGB")
with pytest.warns(DeprecationWarning):
ImageCms.ImageCmsTransform(profile, profile, "RGB", "RGBA;16B")

93
Tests/test_imagedraw.py
View File

@ -1,7 +1,8 @@
from __future__ import annotations
import contextlib
import os.path
from collections.abc import Sequence
from typing import Callable
import pytest
@ -265,6 +266,21 @@ def test_chord_too_fat() -> None:
assert_image_equal_tofile(im, "Tests/images/imagedraw_chord_too_fat.png")
@pytest.mark.parametrize("mode", ("RGB", "L"))
@pytest.mark.parametrize("xy", ((W / 2, H / 2), [W / 2, H / 2]))
def test_circle(mode: str, xy: Sequence[float]) -> None:
# Arrange
im = Image.new(mode, (W, H))
draw = ImageDraw.Draw(im)
expected = f"Tests/images/imagedraw_ellipse_{mode}.png"
# Act
draw.circle(xy, 25, fill="green", outline="blue")
# Assert
assert_image_similar_tofile(im, expected, 1)
@pytest.mark.parametrize("mode", ("RGB", "L"))
@pytest.mark.parametrize("bbox", BBOX)
def test_ellipse(mode: str, bbox: Coords) -> None:
@ -432,6 +448,7 @@ def test_shape1() -> None:
x3, y3 = 95, 5
# Act
assert ImageDraw.Outline is not None
s = ImageDraw.Outline()
s.move(x0, y0)
s.curve(x1, y1, x2, y2, x3, y3)
@ -453,6 +470,7 @@ def test_shape2() -> None:
x3, y3 = 5, 95
# Act
assert ImageDraw.Outline is not None
s = ImageDraw.Outline()
s.move(x0, y0)
s.curve(x1, y1, x2, y2, x3, y3)
@ -471,6 +489,7 @@ def test_transform() -> None:
draw = ImageDraw.Draw(im)
# Act
assert ImageDraw.Outline is not None
s = ImageDraw.Outline()
s.line(0, 0)
s.transform((0, 0, 0, 0, 0, 0))
@ -615,6 +634,19 @@ def test_polygon(points: Coords) -> None:
assert_image_equal_tofile(im, "Tests/images/imagedraw_polygon.png")
@pytest.mark.parametrize("points", POINTS)
def test_polygon_width_I16(points: Coords) -> None:
# Arrange
im = Image.new("I;16", (W, H))
draw = ImageDraw.Draw(im)
# Act
draw.polygon(points, outline=0xFFFF, width=2)
# Assert
assert_image_equal_tofile(im, "Tests/images/imagedraw_polygon_width_I.tiff")
@pytest.mark.parametrize("mode", ("RGB", "L"))
@pytest.mark.parametrize("kite_points", KITE_POINTS)
def test_polygon_kite(
@ -897,7 +929,12 @@ def test_rounded_rectangle_translucent(
def test_floodfill(bbox: Coords) -> None:
red = ImageColor.getrgb("red")
for mode, value in [("L", 1), ("RGBA", (255, 0, 0, 0)), ("RGB", red)]:
mode_values: list[tuple[str, int | tuple[int, ...]]] = [
("L", 1),
("RGBA", (255, 0, 0, 0)),
("RGB", red),
]
for mode, value in mode_values:
# Arrange
im = Image.new(mode, (W, H))
draw = ImageDraw.Draw(im)
@ -1067,8 +1104,8 @@ def test_line_horizontal() -> None:
)
@pytest.mark.xfail(reason="failing test")
def test_line_h_s1_w2() -> None:
pytest.skip("failing")
img, draw = create_base_image_draw((20, 20))
draw.line((5, 5, 14, 6), BLACK, 2)
assert_image_equal_tofile(
@ -1385,25 +1422,44 @@ def test_default_font_size() -> None:
im = Image.new("RGB", (220, 25))
draw = ImageDraw.Draw(im)
with contextlib.nullcontext() if freetype_support else pytest.raises(ImportError):
def check(func: Callable[[], None]) -> None:
if freetype_support:
func()
else:
with pytest.raises(ImportError):
func()
def draw_text() -> None:
draw.text((0, 0), text, font_size=16)
assert_image_equal_tofile(im, "Tests/images/imagedraw_default_font_size.png")
with contextlib.nullcontext() if freetype_support else pytest.raises(ImportError):
check(draw_text)
def draw_textlength() -> None:
assert draw.textlength(text, font_size=16) == 216
with contextlib.nullcontext() if freetype_support else pytest.raises(ImportError):
check(draw_textlength)
def draw_textbbox() -> None:
assert draw.textbbox((0, 0), text, font_size=16) == (0, 3, 216, 19)
check(draw_textbbox)
im = Image.new("RGB", (220, 25))
draw = ImageDraw.Draw(im)
with contextlib.nullcontext() if freetype_support else pytest.raises(ImportError):
def draw_multiline_text() -> None:
draw.multiline_text((0, 0), text, font_size=16)
assert_image_equal_tofile(im, "Tests/images/imagedraw_default_font_size.png")
with contextlib.nullcontext() if freetype_support else pytest.raises(ImportError):
check(draw_multiline_text)
def draw_multiline_textbbox() -> None:
assert draw.multiline_textbbox((0, 0), text, font_size=16) == (0, 3, 216, 19)
check(draw_multiline_textbbox)
@pytest.mark.parametrize("bbox", BBOX)
def test_same_color_outline(bbox: Coords) -> None:
@ -1413,6 +1469,7 @@ def test_same_color_outline(bbox: Coords) -> None:
x2, y2 = 95, 50
x3, y3 = 95, 5
assert ImageDraw.Outline is not None
s = ImageDraw.Outline()
s.move(x0, y0)
s.curve(x1, y1, x2, y2, x3, y3)
@ -1451,7 +1508,7 @@ def test_same_color_outline(bbox: Coords) -> None:
(4, "square", {}),
(8, "regular_octagon", {}),
(4, "square_rotate_45", {"rotation": 45}),
(3, "triangle_width", {"width": 5, "outline": "yellow"}),
(3, "triangle_width", {"outline": "yellow", "width": 5}),
],
)
def test_draw_regular_polygon(
@ -1461,7 +1518,10 @@ def test_draw_regular_polygon(
filename = f"Tests/images/imagedraw_{polygon_name}.png"
draw = ImageDraw.Draw(im)
bounding_circle = ((W // 2, H // 2), 25)
draw.regular_polygon(bounding_circle, n_sides, fill="red", **args)
rotation = int(args.get("rotation", 0))
outline = args.get("outline")
width = int(args.get("width", 1))
draw.regular_polygon(bounding_circle, n_sides, rotation, "red", outline, width)
assert_image_equal_tofile(im, filename)
@ -1546,10 +1606,14 @@ def test_compute_regular_polygon_vertices(
],
)
def test_compute_regular_polygon_vertices_input_error_handling(
n_sides, bounding_circle, rotation, expected_error, error_message
n_sides: int,
bounding_circle: int | tuple[int | tuple[int] | str, ...],
rotation: int | str,
expected_error: type[Exception],
error_message: str,
) -> None:
with pytest.raises(expected_error) as e:
ImageDraw._compute_regular_polygon_vertices(bounding_circle, n_sides, rotation)
ImageDraw._compute_regular_polygon_vertices(bounding_circle, n_sides, rotation) # type: ignore[arg-type]
assert str(e.value) == error_message
@ -1608,3 +1672,8 @@ def test_incorrectly_ordered_coordinates(xy: tuple[int, int, int, int]) -> None:
draw.rectangle(xy)
with pytest.raises(ValueError):
draw.rounded_rectangle(xy)
def test_getdraw() -> None:
with pytest.warns(DeprecationWarning):
ImageDraw.getdraw(None, [])

13
Tests/test_imagedraw2.py
View File

@ -51,9 +51,18 @@ def test_sanity() -> None:
pen = ImageDraw2.Pen("blue", width=7)
draw.line(list(range(10)), pen)
draw, handler = ImageDraw.getdraw(im)
draw2, handler = ImageDraw.getdraw(im)
assert draw2 is not None
pen = ImageDraw2.Pen("blue", width=7)
draw.line(list(range(10)), pen)
draw2.line(list(range(10)), pen)
def test_mode() -> None:
draw = ImageDraw2.Draw("L", (1, 1))
assert draw.image.mode == "L"
with pytest.raises(ValueError):
ImageDraw2.Draw("L")
@pytest.mark.parametrize("bbox", BBOX)

29
Tests/test_imagefile.py
View File

@ -90,6 +90,7 @@ class TestImageFile:
data = f.read()
with ImageFile.Parser() as p:
p.feed(data)
assert p.image is not None
assert (48, 48) == p.image.size
@skip_unless_feature("webp")
@ -103,6 +104,7 @@ class TestImageFile:
assert not p.image
p.feed(f.read())
assert p.image is not None
assert (128, 128) == p.image.size
@skip_unless_feature("zlib")
@ -125,7 +127,7 @@ class TestImageFile:
def test_raise_typeerror(self) -> None:
with pytest.raises(TypeError):
parser = ImageFile.Parser()
parser.feed(1)
parser.feed(1) # type: ignore[arg-type]
def test_negative_stride(self) -> None:
with open("Tests/images/raw_negative_stride.bin", "rb") as f:
@ -202,23 +204,27 @@ class TestImageFile:
class MockPyDecoder(ImageFile.PyDecoder):
last: MockPyDecoder
def __init__(self, mode: str, *args: Any) -> None:
MockPyDecoder.last = self
super().__init__(mode, *args)
def decode(self, buffer):
def decode(self, buffer: bytes) -> tuple[int, int]:
# eof
return -1, 0
class MockPyEncoder(ImageFile.PyEncoder):
last: MockPyEncoder | None
def __init__(self, mode: str, *args: Any) -> None:
MockPyEncoder.last = self
super().__init__(mode, *args)
def encode(self, buffer):
def encode(self, bufsize: int) -> tuple[int, int, bytes]:
return 1, 1, b""
def cleanup(self) -> None:
@ -299,9 +305,9 @@ class TestPyDecoder(CodecsTest):
im.load()
def test_decode(self) -> None:
decoder = ImageFile.PyDecoder(None)
decoder = ImageFile.PyDecoder("")
with pytest.raises(NotImplementedError):
decoder.decode(None)
decoder.decode(b"")
class TestPyEncoder(CodecsTest):
@ -315,6 +321,7 @@ class TestPyEncoder(CodecsTest):
im, fp, [("MOCK", (xoff, yoff, xoff + xsize, yoff + ysize), 0, "RGB")]
)
assert MockPyEncoder.last
assert MockPyEncoder.last.state.xoff == xoff
assert MockPyEncoder.last.state.yoff == yoff
assert MockPyEncoder.last.state.xsize == xsize
@ -329,6 +336,7 @@ class TestPyEncoder(CodecsTest):
fp = BytesIO()
ImageFile._save(im, fp, [("MOCK", None, 0, "RGB")])
assert MockPyEncoder.last
assert MockPyEncoder.last.state.xoff == 0
assert MockPyEncoder.last.state.yoff == 0
assert MockPyEncoder.last.state.xsize == 200
@ -345,7 +353,9 @@ class TestPyEncoder(CodecsTest):
ImageFile._save(
im, fp, [("MOCK", (xoff, yoff, -10, yoff + ysize), 0, "RGB")]
)
assert MockPyEncoder.last.cleanup_called
last: MockPyEncoder | None = MockPyEncoder.last
assert last
assert last.cleanup_called
with pytest.raises(ValueError):
ImageFile._save(
@ -373,9 +383,9 @@ class TestPyEncoder(CodecsTest):
)
def test_encode(self) -> None:
encoder = ImageFile.PyEncoder(None)
encoder = ImageFile.PyEncoder("")
with pytest.raises(NotImplementedError):
encoder.encode(None)
encoder.encode(0)
bytes_consumed, errcode = encoder.encode_to_pyfd()
assert bytes_consumed == 0
@ -385,8 +395,9 @@ class TestPyEncoder(CodecsTest):
with pytest.raises(NotImplementedError):
encoder.encode_to_pyfd()
fh = BytesIO()
with pytest.raises(NotImplementedError):
encoder.encode_to_file(None, None)
encoder.encode_to_file(fh, 0)
def test_zero_height(self) -> None:
with pytest.raises(UnidentifiedImageError):

51
Tests/test_imagefont.py
View File

@ -34,7 +34,9 @@ pytestmark = skip_unless_feature("freetype2")
def test_sanity() -> None:
assert re.search(r"\d+\.\d+\.\d+$", features.version_module("freetype2"))
version = features.version_module("freetype2")
assert version is not None
assert re.search(r"\d+\.\d+\.\d+$", version)
@pytest.fixture(
@ -207,7 +209,7 @@ def test_getlength(
assert length == length_raqm
def test_float_size() -> None:
def test_float_size(layout_engine: ImageFont.Layout) -> None:
lengths = []
for size in (48, 48.5, 49):
f = ImageFont.truetype(
@ -222,7 +224,7 @@ def test_render_multiline(font: ImageFont.FreeTypeFont) -> None:
draw = ImageDraw.Draw(im)
line_spacing = font.getbbox("A")[3] + 4
lines = TEST_TEXT.split("\n")
y = 0
y: float = 0
for line in lines:
draw.text((0, y), line, font=font)
y += line_spacing
@ -492,8 +494,8 @@ def test_default_font() -> None:
assert_image_equal_tofile(im, "Tests/images/default_font_freetype.png")
@pytest.mark.parametrize("mode", (None, "1", "RGBA"))
def test_getbbox(font: ImageFont.FreeTypeFont, mode: str | None) -> None:
@pytest.mark.parametrize("mode", ("", "1", "RGBA"))
def test_getbbox(font: ImageFont.FreeTypeFont, mode: str) -> None:
assert (0, 4, 12, 16) == font.getbbox("A", mode)
@ -546,12 +548,11 @@ def test_find_font(
def loadable_font(
filepath: str, size: int, index: int, encoding: str, *args: Any
):
) -> ImageFont.FreeTypeFont:
_freeTypeFont = getattr(ImageFont, "_FreeTypeFont")
if filepath == path_to_fake:
return ImageFont._FreeTypeFont(
FONT_PATH, size, index, encoding, *args
)
return ImageFont._FreeTypeFont(filepath, size, index, encoding, *args)
return _freeTypeFont(FONT_PATH, size, index, encoding, *args)
return _freeTypeFont(filepath, size, index, encoding, *args)
m.setattr(ImageFont, "FreeTypeFont", loadable_font)
font = ImageFont.truetype(fontname)
@ -563,6 +564,7 @@ def test_find_font(
# catching syntax like errors
monkeypatch.setattr(sys, "platform", platform)
if platform == "linux":
monkeypatch.setenv("XDG_DATA_HOME", os.path.expanduser("~/.local/share"))
monkeypatch.setenv("XDG_DATA_DIRS", "/usr/share/:/usr/local/share/")
def fake_walker(path: str) -> list[tuple[str, list[str], list[str]]]:
@ -630,7 +632,9 @@ def test_complex_font_settings() -> None:
def test_variation_get(font: ImageFont.FreeTypeFont) -> None:
freetype = parse_version(features.version_module("freetype2"))
version = features.version_module("freetype2")
assert version is not None
freetype = parse_version(version)
if freetype < parse_version("2.9.1"):
with pytest.raises(NotImplementedError):
font.get_variation_names()
@ -700,7 +704,9 @@ def _check_text(font: ImageFont.FreeTypeFont, path: str, epsilon: float) -> None
def test_variation_set_by_name(font: ImageFont.FreeTypeFont) -> None:
freetype = parse_version(features.version_module("freetype2"))
version = features.version_module("freetype2")
assert version is not None
freetype = parse_version(version)
if freetype < parse_version("2.9.1"):
with pytest.raises(NotImplementedError):
font.set_variation_by_name("Bold")
@ -725,7 +731,9 @@ def test_variation_set_by_name(font: ImageFont.FreeTypeFont) -> None:
def test_variation_set_by_axes(font: ImageFont.FreeTypeFont) -> None:
freetype = parse_version(features.version_module("freetype2"))
version = features.version_module("freetype2")
assert version is not None
freetype = parse_version(version)
if freetype < parse_version("2.9.1"):
with pytest.raises(NotImplementedError):
font.set_variation_by_axes([100])
@ -1089,6 +1097,23 @@ def test_too_many_characters(font: ImageFont.FreeTypeFont) -> None:
imagefont.getmask("A" * 1_000_001)
def test_bytes(font: ImageFont.FreeTypeFont) -> None:
assert font.getlength(b"test") == font.getlength("test")
assert font.getbbox(b"test") == font.getbbox("test")
assert_image_equal(
Image.Image()._new(font.getmask(b"test")),
Image.Image()._new(font.getmask("test")),
)
assert_image_equal(
Image.Image()._new(font.getmask2(b"test")[0]),
Image.Image()._new(font.getmask2("test")[0]),
)
assert font.getmask2(b"test")[1] == font.getmask2("test")[1]
@pytest.mark.parametrize(
"test_file",
[

50
Tests/test_imagefontpil.py
View File

@ -9,51 +9,57 @@ from PIL import Image, ImageDraw, ImageFont, _util, features
from .helper import assert_image_equal_tofile
original_core = ImageFont.core
fonts = [ImageFont.load_default_imagefont()]
if not features.check_module("freetype2"):
default_font = ImageFont.load_default()
if isinstance(default_font, ImageFont.ImageFont):
fonts.append(default_font)
def setup_module() -> None:
if features.check_module("freetype2"):
ImageFont.core = _util.DeferredError(ImportError)
def teardown_module() -> None:
ImageFont.core = original_core
def test_default_font() -> None:
@pytest.mark.parametrize("font", fonts)
def test_default_font(font: ImageFont.ImageFont) -> None:
# Arrange
txt = 'This is a "better than nothing" default font.'
im = Image.new(mode="RGB", size=(300, 100))
draw = ImageDraw.Draw(im)
# Act
default_font = ImageFont.load_default()
draw.text((10, 10), txt, font=default_font)
draw.text((10, 10), txt, font=font)
# Assert
assert_image_equal_tofile(im, "Tests/images/default_font.png")
def test_size_without_freetype() -> None:
with pytest.raises(ImportError):
ImageFont.load_default(size=14)
def test_without_freetype() -> None:
original_core = ImageFont.core
if features.check_module("freetype2"):
ImageFont.core = _util.DeferredError(ImportError("Disabled for testing"))
try:
with pytest.raises(ImportError):
ImageFont.truetype("Tests/fonts/FreeMono.ttf")
assert isinstance(ImageFont.load_default(), ImageFont.ImageFont)
with pytest.raises(ImportError):
ImageFont.load_default(size=14)
finally:
ImageFont.core = original_core
def test_unicode() -> None:
@pytest.mark.parametrize("font", fonts)
def test_unicode(font: ImageFont.ImageFont) -> None:
# should not segfault, should return UnicodeDecodeError
# issue #2826
font = ImageFont.load_default()
with pytest.raises(UnicodeEncodeError):
font.getbbox("’")
def test_textbbox() -> None:
@pytest.mark.parametrize("font", fonts)
def test_textbbox(font: ImageFont.ImageFont) -> None:
im = Image.new("RGB", (200, 200))
d = ImageDraw.Draw(im)
default_font = ImageFont.load_default()
assert d.textlength("test", font=default_font) == 24
assert d.textbbox((0, 0), "test", font=default_font) == (0, 0, 24, 11)
assert d.textlength("test", font=font) == 24
assert d.textbbox((0, 0), "test", font=font) == (0, 0, 24, 11)
def test_decompression_bomb() -> None:

10
Tests/test_imagegrab.py
View File

@ -60,6 +60,8 @@ class TestImageGrab:
def test_grabclipboard(self) -> None:
if sys.platform == "darwin":
subprocess.call(["screencapture", "-cx"])
ImageGrab.grabclipboard()
elif sys.platform == "win32":
p = subprocess.Popen(["powershell", "-command", "-"], stdin=subprocess.PIPE)
p.stdin.write(
@ -69,6 +71,8 @@ $bmp = New-Object Drawing.Bitmap 200, 200
[Windows.Forms.Clipboard]::SetImage($bmp)"""
)
p.communicate()
ImageGrab.grabclipboard()
else:
if not shutil.which("wl-paste") and not shutil.which("xclip"):
with pytest.raises(
@ -77,9 +81,6 @@ $bmp = New-Object Drawing.Bitmap 200, 200
r" ImageGrab.grabclipboard\(\) on Linux",
):
ImageGrab.grabclipboard()
return
ImageGrab.grabclipboard()
@pytest.mark.skipif(sys.platform != "win32", reason="Windows only")
def test_grabclipboard_file(self) -> None:
@ -89,6 +90,7 @@ $bmp = New-Object Drawing.Bitmap 200, 200
p.communicate()
im = ImageGrab.grabclipboard()
assert isinstance(im, list)
assert len(im) == 1
assert os.path.samefile(im[0], "Tests/images/hopper.gif")
@ -105,6 +107,7 @@ $ms = new-object System.IO.MemoryStream(, $bytes)
p.communicate()
im = ImageGrab.grabclipboard()
assert isinstance(im, Image.Image)
assert_image_equal_tofile(im, "Tests/images/hopper.png")
@pytest.mark.skipif(
@ -120,6 +123,7 @@ $ms = new-object System.IO.MemoryStream(, $bytes)
with open(image_path, "rb") as fp:
subprocess.call(["wl-copy"], stdin=fp)
im = ImageGrab.grabclipboard()
assert isinstance(im, Image.Image)
assert_image_equal_tofile(im, image_path)
@pytest.mark.skipif(

65
Tests/test_imagemath_lambda_eval.py
View File

@ -1,5 +1,9 @@
from __future__ import annotations
from typing import Any
import pytest
from PIL import Image, ImageMath
@ -19,7 +23,7 @@ I = Image.new("I", (1, 1), 4) # noqa: E741
A2 = A.resize((2, 2))
B2 = B.resize((2, 2))
images = {"A": A, "B": B, "F": F, "I": I}
images: dict[str, Any] = {"A": A, "B": B, "F": F, "I": I}
def test_sanity() -> None:
@ -30,13 +34,13 @@ def test_sanity() -> None:
== "I 3"
)
assert (
pixel(ImageMath.lambda_eval(lambda args: args["A"] + args["B"], images))
pixel(ImageMath.lambda_eval(lambda args: args["A"] + args["B"], **images))
== "I 3"
)
assert (
pixel(
ImageMath.lambda_eval(
lambda args: args["float"](args["A"]) + args["B"], images
lambda args: args["float"](args["A"]) + args["B"], **images
)
)
== "F 3.0"
@ -44,42 +48,47 @@ def test_sanity() -> None:
assert (
pixel(
ImageMath.lambda_eval(
lambda args: args["int"](args["float"](args["A"]) + args["B"]), images
lambda args: args["int"](args["float"](args["A"]) + args["B"]), **images
)
)
== "I 3"
)
def test_options_deprecated() -> None:
with pytest.warns(DeprecationWarning):
assert ImageMath.lambda_eval(lambda args: 1, images) == 1
def test_ops() -> None:
assert pixel(ImageMath.lambda_eval(lambda args: args["A"] * -1, images)) == "I -1"
assert pixel(ImageMath.lambda_eval(lambda args: args["A"] * -1, **images)) == "I -1"
assert (
pixel(ImageMath.lambda_eval(lambda args: args["A"] + args["B"], images))
pixel(ImageMath.lambda_eval(lambda args: args["A"] + args["B"], **images))
== "I 3"
)
assert (
pixel(ImageMath.lambda_eval(lambda args: args["A"] - args["B"], images))
pixel(ImageMath.lambda_eval(lambda args: args["A"] - args["B"], **images))
== "I -1"
)
assert (
pixel(ImageMath.lambda_eval(lambda args: args["A"] * args["B"], images))
pixel(ImageMath.lambda_eval(lambda args: args["A"] * args["B"], **images))
== "I 2"
)
assert (
pixel(ImageMath.lambda_eval(lambda args: args["A"] / args["B"], images))
pixel(ImageMath.lambda_eval(lambda args: args["A"] / args["B"], **images))
== "I 0"
)
assert pixel(ImageMath.lambda_eval(lambda args: args["B"] ** 2, images)) == "I 4"
assert pixel(ImageMath.lambda_eval(lambda args: args["B"] ** 2, **images)) == "I 4"
assert (
pixel(ImageMath.lambda_eval(lambda args: args["B"] ** 33, images))
pixel(ImageMath.lambda_eval(lambda args: args["B"] ** 33, **images))
== "I 2147483647"
)
assert (
pixel(
ImageMath.lambda_eval(
lambda args: args["float"](args["A"]) + args["B"], images
lambda args: args["float"](args["A"]) + args["B"], **images
)
)
== "F 3.0"
@ -87,7 +96,7 @@ def test_ops() -> None:
assert (
pixel(
ImageMath.lambda_eval(
lambda args: args["float"](args["A"]) - args["B"], images
lambda args: args["float"](args["A"]) - args["B"], **images
)
)
== "F -1.0"
@ -95,7 +104,7 @@ def test_ops() -> None:
assert (
pixel(
ImageMath.lambda_eval(
lambda args: args["float"](args["A"]) * args["B"], images
lambda args: args["float"](args["A"]) * args["B"], **images
)
)
== "F 2.0"
@ -103,31 +112,33 @@ def test_ops() -> None:
assert (
pixel(
ImageMath.lambda_eval(
lambda args: args["float"](args["A"]) / args["B"], images
lambda args: args["float"](args["A"]) / args["B"], **images
)
)
== "F 0.5"
)
assert (
pixel(ImageMath.lambda_eval(lambda args: args["float"](args["B"]) ** 2, images))
pixel(
ImageMath.lambda_eval(lambda args: args["float"](args["B"]) ** 2, **images)
)
== "F 4.0"
)
assert (
pixel(
ImageMath.lambda_eval(lambda args: args["float"](args["B"]) ** 33, images)
ImageMath.lambda_eval(lambda args: args["float"](args["B"]) ** 33, **images)
)
== "F 8589934592.0"
)
def test_logical() -> None:
assert pixel(ImageMath.lambda_eval(lambda args: not args["A"], images)) == 0
assert pixel(ImageMath.lambda_eval(lambda args: not args["A"], **images)) == 0
assert (
pixel(ImageMath.lambda_eval(lambda args: args["A"] and args["B"], images))
pixel(ImageMath.lambda_eval(lambda args: args["A"] and args["B"], **images))
== "L 2"
)
assert (
pixel(ImageMath.lambda_eval(lambda args: args["A"] or args["B"], images))
pixel(ImageMath.lambda_eval(lambda args: args["A"] or args["B"], **images))
== "L 1"
)
@ -136,7 +147,7 @@ def test_convert() -> None:
assert (
pixel(
ImageMath.lambda_eval(
lambda args: args["convert"](args["A"] + args["B"], "L"), images
lambda args: args["convert"](args["A"] + args["B"], "L"), **images
)
)
== "L 3"
@ -144,7 +155,7 @@ def test_convert() -> None:
assert (
pixel(
ImageMath.lambda_eval(
lambda args: args["convert"](args["A"] + args["B"], "1"), images
lambda args: args["convert"](args["A"] + args["B"], "1"), **images
)
)
== "1 0"
@ -152,7 +163,7 @@ def test_convert() -> None:
assert (
pixel(
ImageMath.lambda_eval(
lambda args: args["convert"](args["A"] + args["B"], "RGB"), images
lambda args: args["convert"](args["A"] + args["B"], "RGB"), **images
)
)
== "RGB (3, 3, 3)"
@ -163,7 +174,7 @@ def test_compare() -> None:
assert (
pixel(
ImageMath.lambda_eval(
lambda args: args["min"](args["A"], args["B"]), images
lambda args: args["min"](args["A"], args["B"]), **images
)
)
== "I 1"
@ -171,13 +182,13 @@ def test_compare() -> None:
assert (
pixel(
ImageMath.lambda_eval(
lambda args: args["max"](args["A"], args["B"]), images
lambda args: args["max"](args["A"], args["B"]), **images
)
)
== "I 2"
)
assert pixel(ImageMath.lambda_eval(lambda args: args["A"] == 1, images)) == "I 1"
assert pixel(ImageMath.lambda_eval(lambda args: args["A"] == 2, images)) == "I 0"
assert pixel(ImageMath.lambda_eval(lambda args: args["A"] == 1, **images)) == "I 1"
assert pixel(ImageMath.lambda_eval(lambda args: args["A"] == 2, **images)) == "I 0"
def test_one_image_larger() -> None:

67
Tests/test_imagemath_unsafe_eval.py
View File

@ -1,5 +1,7 @@
from __future__ import annotations
from typing import Any
import pytest
from PIL import Image, ImageMath
@ -21,16 +23,16 @@ I = Image.new("I", (1, 1), 4) # noqa: E741
A2 = A.resize((2, 2))
B2 = B.resize((2, 2))
images = {"A": A, "B": B, "F": F, "I": I}
images: dict[str, Any] = {"A": A, "B": B, "F": F, "I": I}
def test_sanity() -> None:
assert ImageMath.unsafe_eval("1") == 1
assert ImageMath.unsafe_eval("1+A", A=2) == 3
assert pixel(ImageMath.unsafe_eval("A+B", A=A, B=B)) == "I 3"
assert pixel(ImageMath.unsafe_eval("A+B", images)) == "I 3"
assert pixel(ImageMath.unsafe_eval("float(A)+B", images)) == "F 3.0"
assert pixel(ImageMath.unsafe_eval("int(float(A)+B)", images)) == "I 3"
assert pixel(ImageMath.unsafe_eval("A+B", **images)) == "I 3"
assert pixel(ImageMath.unsafe_eval("float(A)+B", **images)) == "F 3.0"
assert pixel(ImageMath.unsafe_eval("int(float(A)+B)", **images)) == "I 3"
def test_eval_deprecated() -> None:
@ -38,23 +40,28 @@ def test_eval_deprecated() -> None:
assert ImageMath.eval("1") == 1
def test_options_deprecated() -> None:
with pytest.warns(DeprecationWarning):
assert ImageMath.unsafe_eval("1", images) == 1
def test_ops() -> None:
assert pixel(ImageMath.unsafe_eval("-A", images)) == "I -1"
assert pixel(ImageMath.unsafe_eval("+B", images)) == "L 2"
assert pixel(ImageMath.unsafe_eval("-A", **images)) == "I -1"
assert pixel(ImageMath.unsafe_eval("+B", **images)) == "L 2"
assert pixel(ImageMath.unsafe_eval("A+B", images)) == "I 3"
assert pixel(ImageMath.unsafe_eval("A-B", images)) == "I -1"
assert pixel(ImageMath.unsafe_eval("A*B", images)) == "I 2"
assert pixel(ImageMath.unsafe_eval("A/B", images)) == "I 0"
assert pixel(ImageMath.unsafe_eval("B**2", images)) == "I 4"
assert pixel(ImageMath.unsafe_eval("B**33", images)) == "I 2147483647"
assert pixel(ImageMath.unsafe_eval("A+B", **images)) == "I 3"
assert pixel(ImageMath.unsafe_eval("A-B", **images)) == "I -1"
assert pixel(ImageMath.unsafe_eval("A*B", **images)) == "I 2"
assert pixel(ImageMath.unsafe_eval("A/B", **images)) == "I 0"
assert pixel(ImageMath.unsafe_eval("B**2", **images)) == "I 4"
assert pixel(ImageMath.unsafe_eval("B**33", **images)) == "I 2147483647"
assert pixel(ImageMath.unsafe_eval("float(A)+B", images)) == "F 3.0"
assert pixel(ImageMath.unsafe_eval("float(A)-B", images)) == "F -1.0"
assert pixel(ImageMath.unsafe_eval("float(A)*B", images)) == "F 2.0"
assert pixel(ImageMath.unsafe_eval("float(A)/B", images)) == "F 0.5"
assert pixel(ImageMath.unsafe_eval("float(B)**2", images)) == "F 4.0"
assert pixel(ImageMath.unsafe_eval("float(B)**33", images)) == "F 8589934592.0"
assert pixel(ImageMath.unsafe_eval("float(A)+B", **images)) == "F 3.0"
assert pixel(ImageMath.unsafe_eval("float(A)-B", **images)) == "F -1.0"
assert pixel(ImageMath.unsafe_eval("float(A)*B", **images)) == "F 2.0"
assert pixel(ImageMath.unsafe_eval("float(A)/B", **images)) == "F 0.5"
assert pixel(ImageMath.unsafe_eval("float(B)**2", **images)) == "F 4.0"
assert pixel(ImageMath.unsafe_eval("float(B)**33", **images)) == "F 8589934592.0"
@pytest.mark.parametrize(
@ -72,33 +79,33 @@ def test_prevent_exec(expression: str) -> None:
def test_prevent_double_underscores() -> None:
with pytest.raises(ValueError):
ImageMath.unsafe_eval("1", {"__": None})
ImageMath.unsafe_eval("1", __=None)
def test_prevent_builtins() -> None:
with pytest.raises(ValueError):
ImageMath.unsafe_eval("(lambda: exec('exit()'))()", {"exec": None})
ImageMath.unsafe_eval("(lambda: exec('exit()'))()", exec=None)
def test_logical() -> None:
assert pixel(ImageMath.unsafe_eval("not A", images)) == 0
assert pixel(ImageMath.unsafe_eval("A and B", images)) == "L 2"
assert pixel(ImageMath.unsafe_eval("A or B", images)) == "L 1"
assert pixel(ImageMath.unsafe_eval("not A", **images)) == 0
assert pixel(ImageMath.unsafe_eval("A and B", **images)) == "L 2"
assert pixel(ImageMath.unsafe_eval("A or B", **images)) == "L 1"
def test_convert() -> None:
assert pixel(ImageMath.unsafe_eval("convert(A+B, 'L')", images)) == "L 3"
assert pixel(ImageMath.unsafe_eval("convert(A+B, '1')", images)) == "1 0"
assert pixel(ImageMath.unsafe_eval("convert(A+B, 'L')", **images)) == "L 3"
assert pixel(ImageMath.unsafe_eval("convert(A+B, '1')", **images)) == "1 0"
assert (
pixel(ImageMath.unsafe_eval("convert(A+B, 'RGB')", images)) == "RGB (3, 3, 3)"
pixel(ImageMath.unsafe_eval("convert(A+B, 'RGB')", **images)) == "RGB (3, 3, 3)"
)
def test_compare() -> None:
assert pixel(ImageMath.unsafe_eval("min(A, B)", images)) == "I 1"
assert pixel(ImageMath.unsafe_eval("max(A, B)", images)) == "I 2"
assert pixel(ImageMath.unsafe_eval("A == 1", images)) == "I 1"
assert pixel(ImageMath.unsafe_eval("A == 2", images)) == "I 0"
assert pixel(ImageMath.unsafe_eval("min(A, B)", **images)) == "I 1"
assert pixel(ImageMath.unsafe_eval("max(A, B)", **images)) == "I 2"
assert pixel(ImageMath.unsafe_eval("A == 1", **images)) == "I 1"
assert pixel(ImageMath.unsafe_eval("A == 2", **images)) == "I 0"
def test_one_image_larger() -> None:

14
Tests/test_imagemorph.py
View File

@ -41,11 +41,15 @@ A = string_to_img(
def img_to_string(im: Image.Image) -> str:
"""Turn a (small) binary image into a string representation"""
chars = ".1"
width, height = im.size
return "\n".join(
"".join(chars[im.getpixel((c, r)) > 0] for c in range(width))
for r in range(height)
)
result = []
for r in range(im.height):
line = ""
for c in range(im.width):
value = im.getpixel((c, r))
assert not isinstance(value, tuple) and value is not None
line += chars[value > 0]
result.append(line)
return "\n".join(result)
def img_string_normalize(im: str) -> str:

68
Tests/test_imageops.py
View File

@ -165,10 +165,14 @@ def test_pad() -> None:
def test_pad_round() -> None:
im = Image.new("1", (1, 1), 1)
new_im = ImageOps.pad(im, (4, 1))
assert new_im.load()[2, 0] == 1
px = new_im.load()
assert px is not None
assert px[2, 0] == 1
new_im = ImageOps.pad(im, (1, 4))
assert new_im.load()[0, 2] == 1
px = new_im.load()
assert px is not None
assert px[0, 2] == 1
@pytest.mark.parametrize("mode", ("P", "PA"))
@ -223,6 +227,7 @@ def test_expand_palette(border: int | tuple[int, int, int, int]) -> None:
else:
left, top, right, bottom = border
px = im_expanded.convert("RGB").load()
assert px is not None
for x in range(im_expanded.width):
for b in range(top):
assert px[x, b] == (255, 0, 0)
@ -254,20 +259,26 @@ def test_colorize_2color() -> None:
left = (0, 1)
middle = (127, 1)
right = (255, 1)
value = im_test.getpixel(left)
assert isinstance(value, tuple)
assert_tuple_approx_equal(
im_test.getpixel(left),
value,
(255, 0, 0),
threshold=1,
msg="black test pixel incorrect",
)
value = im_test.getpixel(middle)
assert isinstance(value, tuple)
assert_tuple_approx_equal(
im_test.getpixel(middle),
value,
(127, 63, 0),
threshold=1,
msg="mid test pixel incorrect",
)
value = im_test.getpixel(right)
assert isinstance(value, tuple)
assert_tuple_approx_equal(
im_test.getpixel(right),
value,
(0, 127, 0),
threshold=1,
msg="white test pixel incorrect",
@ -290,20 +301,26 @@ def test_colorize_2color_offset() -> None:
left = (25, 1)
middle = (75, 1)
right = (125, 1)
value = im_test.getpixel(left)
assert isinstance(value, tuple)
assert_tuple_approx_equal(
im_test.getpixel(left),
value,
(255, 0, 0),
threshold=1,
msg="black test pixel incorrect",
)
value = im_test.getpixel(middle)
assert isinstance(value, tuple)
assert_tuple_approx_equal(
im_test.getpixel(middle),
value,
(127, 63, 0),
threshold=1,
msg="mid test pixel incorrect",
)
value = im_test.getpixel(right)
assert isinstance(value, tuple)
assert_tuple_approx_equal(
im_test.getpixel(right),
value,
(0, 127, 0),
threshold=1,
msg="white test pixel incorrect",
@ -334,29 +351,37 @@ def test_colorize_3color_offset() -> None:
middle = (100, 1)
right_middle = (150, 1)
right = (225, 1)
value = im_test.getpixel(left)
assert isinstance(value, tuple)
assert_tuple_approx_equal(
im_test.getpixel(left),
value,
(255, 0, 0),
threshold=1,
msg="black test pixel incorrect",
)
value = im_test.getpixel(left_middle)
assert isinstance(value, tuple)
assert_tuple_approx_equal(
im_test.getpixel(left_middle),
value,
(127, 0, 127),
threshold=1,
msg="low-mid test pixel incorrect",
)
value = im_test.getpixel(middle)
assert isinstance(value, tuple)
assert_tuple_approx_equal(value, (0, 0, 255), threshold=1, msg="mid incorrect")
value = im_test.getpixel(right_middle)
assert isinstance(value, tuple)
assert_tuple_approx_equal(
im_test.getpixel(middle), (0, 0, 255), threshold=1, msg="mid incorrect"
)
assert_tuple_approx_equal(
im_test.getpixel(right_middle),
value,
(0, 63, 127),
threshold=1,
msg="high-mid test pixel incorrect",
)
value = im_test.getpixel(right)
assert isinstance(value, tuple)
assert_tuple_approx_equal(
im_test.getpixel(right),
value,
(0, 127, 0),
threshold=1,
msg="white test pixel incorrect",
@ -432,6 +457,17 @@ def test_exif_transpose() -> None:
assert 0x0112 not in transposed_im.getexif()
def test_exif_transpose_xml_without_xmp() -> None:
with Image.open("Tests/images/xmp_tags_orientation.png") as im:
assert im.getexif()[0x0112] == 3
assert "XML:com.adobe.xmp" in im.info
del im.info["xmp"]
transposed_im = ImageOps.exif_transpose(im)
assert transposed_im is not None
assert 0x0112 not in transposed_im.getexif()
def test_exif_transpose_in_place() -> None:
with Image.open("Tests/images/orientation_rectangle.jpg") as im:
assert im.size == (2, 1)
@ -454,7 +490,7 @@ def test_autocontrast_cutoff() -> None:
# Test the cutoff argument of autocontrast
with Image.open("Tests/images/bw_gradient.png") as img:
def autocontrast(cutoff: int | tuple[int, int]):
def autocontrast(cutoff: int | tuple[int, int]) -> list[int]:
return ImageOps.autocontrast(img, cutoff).histogram()
assert autocontrast(10) == autocontrast((10, 10))

19
Tests/test_imageops_usm.py
View File

@ -1,14 +1,14 @@
from __future__ import annotations
from typing import Generator
from collections.abc import Generator
import pytest
from PIL import Image, ImageFilter
from PIL import Image, ImageFile, ImageFilter
@pytest.fixture
def test_images() -> Generator[dict[str, Image.Image], None, None]:
def test_images() -> Generator[dict[str, ImageFile.ImageFile], None, None]:
ims = {
"im": Image.open("Tests/images/hopper.ppm"),
"snakes": Image.open("Tests/images/color_snakes.png"),
@ -20,7 +20,7 @@ def test_images() -> Generator[dict[str, Image.Image], None, None]:
im.close()
def test_filter_api(test_images: dict[str, Image.Image]) -> None:
def test_filter_api(test_images: dict[str, ImageFile.ImageFile]) -> None:
im = test_images["im"]
test_filter = ImageFilter.GaussianBlur(2.0)
@ -34,7 +34,7 @@ def test_filter_api(test_images: dict[str, Image.Image]) -> None:
assert i.size == (128, 128)
def test_usm_formats(test_images: dict[str, Image.Image]) -> None:
def test_usm_formats(test_images: dict[str, ImageFile.ImageFile]) -> None:
im = test_images["im"]
usm = ImageFilter.UnsharpMask
@ -52,13 +52,12 @@ def test_usm_formats(test_images: dict[str, Image.Image]) -> None:
im.convert("YCbCr").filter(usm)
def test_blur_formats(test_images: dict[str, Image.Image]) -> None:
def test_blur_formats(test_images: dict[str, ImageFile.ImageFile]) -> None:
im = test_images["im"]
blur = ImageFilter.GaussianBlur
with pytest.raises(ValueError):
im.convert("1").filter(blur)
blur(im.convert("L"))
with pytest.raises(ValueError):
im.convert("I").filter(blur)
with pytest.raises(ValueError):
@ -70,7 +69,7 @@ def test_blur_formats(test_images: dict[str, Image.Image]) -> None:
im.convert("YCbCr").filter(blur)
def test_usm_accuracy(test_images: dict[str, Image.Image]) -> None:
def test_usm_accuracy(test_images: dict[str, ImageFile.ImageFile]) -> None:
snakes = test_images["snakes"]
src = snakes.convert("RGB")
@ -79,7 +78,7 @@ def test_usm_accuracy(test_images: dict[str, Image.Image]) -> None:
assert i.tobytes() == src.tobytes()
def test_blur_accuracy(test_images: dict[str, Image.Image]) -> None:
def test_blur_accuracy(test_images: dict[str, ImageFile.ImageFile]) -> None:
snakes = test_images["snakes"]
i = snakes.filter(ImageFilter.GaussianBlur(0.4))
@ -102,7 +101,7 @@ def test_blur_accuracy(test_images: dict[str, Image.Image]) -> None:
assert i.im.getpixel((x, y))[c] >= 250
# Fuzzy match.
def gp(x, y):
def gp(x: int, y: int) -> tuple[int, ...]:
return i.im.getpixel((x, y))
assert 236 <= gp(7, 4)[0] <= 239

10
Tests/test_imagepalette.py
View File

@ -45,7 +45,7 @@ def test_getcolor() -> None:
# Test unknown color specifier
with pytest.raises(ValueError):
palette.getcolor("unknown")
palette.getcolor("unknown") # type: ignore[arg-type]
def test_getcolor_rgba_color_rgb_palette() -> None:
@ -88,13 +88,13 @@ def test_file(tmp_path: Path) -> None:
palette.save(f)
p = ImagePalette.load(f)
lut = ImagePalette.load(f)
# load returns raw palette information
assert len(p[0]) == 768
assert p[1] == "RGB"
assert len(lut[0]) == 768
assert lut[1] == "RGB"
p = ImagePalette.raw(p[1], p[0])
p = ImagePalette.raw(lut[1], lut[0])
assert isinstance(p, ImagePalette.ImagePalette)
assert p.palette == palette.tobytes()

2
Tests/test_imagepath.py
View File

@ -3,7 +3,7 @@ from __future__ import annotations
import array
import math
import struct
from typing import Sequence
from collections.abc import Sequence
import pytest

19
Tests/test_imageqt.py
View File

@ -41,18 +41,13 @@ def test_rgb() -> None:
checkrgb(0, 0, 255)
def test_image() -> None:
modes = ["1", "RGB", "RGBA", "L", "P"]
qt_format = ImageQt.QImage.Format if ImageQt.qt_version == "6" else ImageQt.QImage
if hasattr(qt_format, "Format_Grayscale16"): # Qt 5.13+
modes.append("I;16")
for mode in modes:
im = hopper(mode)
roundtripped_im = ImageQt.fromqimage(ImageQt.ImageQt(im))
if mode not in ("RGB", "RGBA"):
im = im.convert("RGB")
assert_image_similar(roundtripped_im, im, 1)
@pytest.mark.parametrize("mode", ("1", "RGB", "RGBA", "L", "P", "I;16"))
def test_image(mode: str) -> None:
im = hopper(mode)
roundtripped_im = ImageQt.fromqimage(ImageQt.ImageQt(im))
if mode not in ("RGB", "RGBA"):
im = im.convert("RGB")
assert_image_similar(roundtripped_im, im, 1)
def test_closed_file() -> None:

29
Tests/test_imageshow.py
View File

@ -1,5 +1,6 @@
from __future__ import annotations
import os
from typing import Any
import pytest
@ -15,8 +16,11 @@ def test_sanity() -> None:
def test_register() -> None:
# Test registering a viewer that is not a class
ImageShow.register("not a class")
# Test registering a viewer that is an instance
class TestViewer(ImageShow.Viewer):
pass
ImageShow.register(TestViewer())
# Restore original state
ImageShow._viewers.pop()
@ -65,6 +69,27 @@ def test_show_without_viewers() -> None:
ImageShow._viewers = viewers
@pytest.mark.parametrize(
"viewer",
(
ImageShow.Viewer(),
ImageShow.WindowsViewer(),
ImageShow.MacViewer(),
ImageShow.XDGViewer(),
ImageShow.DisplayViewer(),
ImageShow.GmDisplayViewer(),
ImageShow.EogViewer(),
ImageShow.XVViewer(),
ImageShow.IPythonViewer(),
),
)
def test_show_file(viewer: ImageShow.Viewer) -> None:
assert not os.path.exists("missing.png")
with pytest.raises(FileNotFoundError):
viewer.show_file("missing.png")
def test_viewer() -> None:
viewer = ImageShow.Viewer()

4
Tests/test_imagestat.py
View File

@ -25,10 +25,10 @@ def test_sanity() -> None:
st.stddev
with pytest.raises(AttributeError):
st.spam()
st.spam() # type: ignore[attr-defined]
with pytest.raises(TypeError):
ImageStat.Stat(1)
ImageStat.Stat(1) # type: ignore[arg-type]
def test_hopper() -> None:

10
Tests/test_imagetk.py
View File

@ -45,10 +45,12 @@ def test_kw() -> None:
# Test "file"
im = ImageTk._get_image_from_kw(kw)
assert im is not None
assert_image_equal(im, im1)
# Test "data"
im = ImageTk._get_image_from_kw(kw)
assert im is not None
assert_image_equal(im, im2)
# Test no relevant entry
@ -70,6 +72,11 @@ def test_photoimage(mode: str) -> None:
reloaded = ImageTk.getimage(im_tk)
assert_image_equal(reloaded, im.convert("RGBA"))
with pytest.raises(ValueError):
ImageTk.PhotoImage()
with pytest.raises(ValueError):
ImageTk.PhotoImage(mode)
def test_photoimage_apply_transparency() -> None:
with Image.open("Tests/images/pil123p.png") as im:
@ -102,3 +109,6 @@ def test_bitmapimage() -> None:
# reloaded = ImageTk.getimage(im_tk)
# assert_image_equal(reloaded, im)
with pytest.raises(ValueError):
ImageTk.BitmapImage()

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