Merge branch 'master' into gitignore-review

.appveyor.yml

@@ -13,13 +13,9 @@ environment:
   TEST_OPTIONS:
   DEPLOY: YES
   matrix:
-  - PYTHON: C:/vp/pypy2
+  - PYTHON: C:/Python38
-    EXECUTABLE: bin/pypy.exe
+  - PYTHON: C:/Python38-x64
-    PIP_DIR: bin
-    VENV: YES
-  - PYTHON: C:/Python27-x64
   - PYTHON: C:/Python37
-  - PYTHON: C:/Python27
   - PYTHON: C:/Python37-x64
   - PYTHON: C:/Python36
   - PYTHON: C:/Python36-x64
@@ -30,6 +26,10 @@ environment:
     PIP_DIR: bin
     TEST_OPTIONS: --processes=0
     DEPLOY: NO
+  - PYTHON: C:/vp/pypy3
+    EXECUTABLE: bin/pypy.exe
+    PIP_DIR: bin
+    VENV: YES
 
 
 install:
@@ -41,9 +41,9 @@ install:
 - xcopy /s c:\pillow-depends\test_images\* c:\pillow\tests\images
 - cd c:\pillow\winbuild\
 - ps: |
-      if ($env:PYTHON -eq "c:/vp/pypy2")
+      if ($env:PYTHON -eq "c:/vp/pypy3")
       {
-        c:\pillow\winbuild\appveyor_install_pypy.cmd
+        c:\pillow\winbuild\appveyor_install_pypy3.cmd
       }
 - ps: |
       if ($env:PYTHON -eq "c:/msys64/mingw32")
@@ -52,10 +52,13 @@ install:
       }
       else
       {
-        c:\python34\python.exe c:\pillow\winbuild\build_dep.py
+        c:\python37\python.exe c:\pillow\winbuild\build_dep.py
         c:\pillow\winbuild\build_deps.cmd
         $host.SetShouldExit(0)
       }
+- curl -fsSL -o gs950.exe https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/download/gs950/gs950w32.exe
+- gs950.exe /S
+- path %path%;C:\Program Files (x86)\gs\gs9.50\bin
 
 build_script:
 - ps: |
@@ -76,6 +79,7 @@ build_script:
 test_script:
 - cd c:\pillow
 - '%PYTHON%\%PIP_DIR%\pip.exe install pytest pytest-cov'
+- c:\"Program Files (x86)"\"Windows Kits"\10\Debuggers\x86\gflags.exe /p /enable %PYTHON%\%EXECUTABLE%
 - '%PYTHON%\%EXECUTABLE% -m pytest -vx --cov PIL --cov-report term --cov-report xml Tests'
 #- '%PYTHON%\%EXECUTABLE% test-installed.py -v -s %TEST_OPTIONS%' TODO TEST_OPTIONS with pytest?
 

.azure-pipelines/jobs/lint.yml

@@ -0,0 +1,28 @@
+parameters:
+  name: ''  # defaults for any parameters that aren't specified
+  vmImage: ''
+
+jobs:
+
+- job:  ${{ parameters.name }}
+  pool:
+    vmImage: ${{ parameters.vmImage }}
+
+  strategy:
+    matrix:
+      Python37:
+        python.version: '3.7'
+
+  steps:
+  - task: UsePythonVersion@0
+    inputs:
+      versionSpec: '$(python.version)'
+      architecture: 'x64'
+
+  - script: |
+      python -m pip install --upgrade tox
+    displayName: 'Install dependencies'
+
+  - script: |
+      tox -e lint
+    displayName: 'Lint'

.azure-pipelines/jobs/test-docker.yml

@@ -0,0 +1,22 @@
+parameters:
+  docker: ''  # defaults for any parameters that aren't specified
+  dockerTag: 'master'
+  name: ''
+  vmImage: 'Ubuntu-16.04'
+
+jobs:
+
+- job:  ${{ parameters.name }}
+  pool:
+    vmImage: ${{ parameters.vmImage }}
+
+  steps:
+  - script: |
+      docker pull pythonpillow/${{ parameters.docker }}:${{ parameters.dockerTag }}
+    displayName: 'Docker pull'
+
+  - script: |
+      # The Pillow user in the docker container is UID 1000
+      sudo chown -R 1000 $(Build.SourcesDirectory)
+      docker run -v $(Build.SourcesDirectory):/Pillow pythonpillow/${{ parameters.docker }}:${{ parameters.dockerTag }}
+    displayName: 'Docker build'

.codecov.yml

@@ -6,4 +6,6 @@ codecov:
   # https://docs.codecov.io/v4.3.6/docs/comparing-commits
   allow_coverage_offsets: true
 
+  token: 6dafc396-e7f5-4221-a38a-8b07a49fbdae
+
 comment: off

.github/CONTRIBUTING.md

@@ -9,14 +9,14 @@ Please send a pull request to the master branch. Please include [documentation](
 - Fork the Pillow repository.
 - Create a branch from master.
 - Develop bug fixes, features, tests, etc.
-- Run the test suite on Python 2.7 and 3.x. You can enable [Travis CI](https://travis-ci.org/profile/) and [AppVeyor](https://ci.appveyor.com/projects/new) on your repo to catch test failures prior to the pull request, and [Coveralls](https://coveralls.io/repos/new) to see if the changed code is covered by tests.
+- Run the test suite. You can enable [Travis CI](https://travis-ci.org/profile/) and [AppVeyor](https://ci.appveyor.com/projects/new) on your repo to catch test failures prior to the pull request, and [Codecov](https://codecov.io/gh) to see if the changed code is covered by tests.
 - Create a pull request to pull the changes from your branch to the Pillow master.
 
 ### Guidelines
 
 - Separate code commits from reformatting commits.
 - Provide tests for any newly added code.
-- Follow PEP8.
+- Follow PEP 8.
 - When committing only documentation changes please include [ci skip] in the commit message to avoid running tests on Travis-CI and AppVeyor.
 
 ## Reporting Issues
@@ -34,6 +34,4 @@ The best reproductions are self-contained scripts with minimal dependencies. If
 
 ## Security vulnerabilities
 
-To report sensitive vulnerability information, email security@python-pillow.org.
+Please see our [security policy](https://github.com/python-pillow/Pillow/blob/master/.github/SECURITY.md).
-
-If your organisation/employer is a distributor of Pillow and would like advance notification of security-related bugs, please let us know your preferred contact method.

.github/FUNDING.yml

@@ -0,0 +1 @@
+tidelift: "pypi/Pillow"

.github/ISSUE_TEMPLATE.md

@@ -1,19 +0,0 @@
-### What did you do?
-
-### What did you expect to happen?
-
-### What actually happened?
-
-### What are your OS, Python and Pillow versions?
-
-* OS: 
-* Python: 
-* Pillow: 
-
-Please include **code** that reproduces the issue and whenever possible, an **image** that demonstrates the issue. Please upload images to GitHub, not to third-party file hosting sites. If necessary, add the image to a zip or tar archive.
-
-The best reproductions are self-contained scripts with minimal dependencies. If you are using a framework such as plone, Django, or buildout, try to replicate the issue just using Pillow. 
-
-```python
-code goes here
-```

.github/ISSUE_TEMPLATE/ISSUE_REPORT.md

@@ -0,0 +1,59 @@
+---
+name: Issue report
+about: Create a report to help us improve Pillow
+---
+
+<!--
+Thank you for reporting an issue.
+
+Follow these guidelines to ensure your issue is handled properly.
+
+If you have a ...
+
+1.  General question: consider asking the question on Stack Overflow
+    with the python-imaging-library tag:
+
+    * https://stackoverflow.com/questions/tagged/python-imaging-library
+
+    Do not ask a question in both places.
+
+    If you think you have found a bug or have an unexplained exception
+    then file a bug report here.
+
+2.  Bug report: include a self-contained, copy-pastable example that
+    generates the issue if possible. Be concise with code posted.
+    Guidelines on how to provide a good bug report:
+
+    * https://stackoverflow.com/help/mcve
+
+    Bug reports which follow these guidelines are easier to diagnose,
+    and are often handled much more quickly.
+
+3.  Feature request: do a quick search of existing issues
+    to make sure this has not been asked before.
+
+We know asking good questions takes effort, and we appreciate your time.
+Thank you.
+-->
+
+### What did you do?
+
+### What did you expect to happen?
+
+### What actually happened?
+
+### What are your OS, Python and Pillow versions?
+
+* OS: 
+* Python: 
+* Pillow: 
+
+<!--
+Please include **code** that reproduces the issue and whenever possible, an **image** that demonstrates the issue. Please upload images to GitHub, not to third-party file hosting sites. If necessary, add the image to a zip or tar archive.
+
+The best reproductions are self-contained scripts with minimal dependencies. If you are using a framework such as Plone, Django, or Buildout, try to replicate the issue just using Pillow.
+-->
+
+```python
+code goes here
+```

.github/SECURITY.md

@@ -0,0 +1,5 @@
+# Security policy
+
+To report sensitive vulnerability information, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure.
+
+If your organisation/employer is a distributor of Pillow and would like advance notification of security-related bugs, please let us know your preferred contact method.

.github/workflows/lint.yml

@@ -0,0 +1,29 @@
+name: Lint
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.8"]
+
+    name: Python ${{ matrix.python-version }}
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install --upgrade tox
+
+    - name: Lint
+      run: tox -e lint

.github/workflows/macos-install.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+set -e
+
+brew install libtiff libjpeg openjpeg libimagequant webp little-cms2 freetype
+
+PYTHONOPTIMIZE=0 pip install cffi
+pip install coverage
+pip install olefile
+pip install -U pytest
+pip install -U pytest-cov
+pip install pyroma
+pip install test-image-results
+pip install numpy
+
+# extra test images
+pushd depends && ./install_extra_test_images.sh && popd

.github/workflows/test-docker.yml

@@ -0,0 +1,40 @@
+name: Test Docker
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        docker: [
+          alpine,
+          arch,
+          ubuntu-16.04-xenial-amd64,
+          ubuntu-18.04-bionic-amd64,
+          debian-9-stretch-x86,
+          debian-10-buster-x86,
+          centos-6-amd64,
+          centos-7-amd64,
+          amazon-1-amd64,
+          amazon-2-amd64,
+          fedora-30-amd64,
+          fedora-31-amd64,
+        ]
+        dockerTag: [master]
+
+    name: ${{ matrix.docker }}
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Docker pull
+      run: |
+        docker pull pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }}
+
+    - name: Docker build
+      run: |
+        # The Pillow user in the docker container is UID 1000
+        sudo chown -R 1000 $GITHUB_WORKSPACE
+        docker run -v $GITHUB_WORKSPACE:/Pillow pythonpillow/${{ matrix.docker }}:${{ matrix.dockerTag }}

.github/workflows/test-windows.yml

@@ -0,0 +1,380 @@
+name: Test Windows
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: windows-2019
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.5", "3.6", "3.7", "3.8", "pypy3.6"]
+        architecture: ["x86", "x64"]
+        include:
+          - architecture: "x86"
+            platform-vcvars: "x86"
+            platform-msbuild: "Win32"
+          - architecture: "x64"
+            platform-vcvars: "x86_amd64"
+            platform-msbuild: "x64"
+          - python-version: "pypy3.6"
+            pypy-version: "pypy3.6-v7.2.0-win32"
+            pypy-url: "https://bitbucket.org/pypy/pypy/downloads/pypy3.6-v7.2.0-win32.zip"
+        exclude:
+          - python-version: "pypy3.6"
+            architecture: "x64"
+    timeout-minutes: 30
+
+    name: Python ${{ matrix.python-version }} ${{ matrix.architecture }}
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - uses: actions/checkout@v1
+      with:
+        repository: python-pillow/pillow-depends
+        ref: master
+
+    - name: Install PyPy
+      if: "contains(matrix.python-version, 'pypy')"
+      run: |
+        curl -fsSL -o pypy3.zip "${{ matrix.pypy-url }}"
+        7z x pypy3.zip "-o$env:RUNNER_WORKSPACE\"
+        mv "$env:RUNNER_WORKSPACE\${{ matrix.pypy-version }}" "$env:RUNNER_WORKSPACE\${{ matrix.python-version }}"
+        $env:PYTHON="$env:RUNNER_WORKSPACE\${{ matrix.python-version }}"
+        # set env: pythonLocation
+        Write-Host "`#`#[set-env name=pythonLocation;]$env:PYTHON" # old syntax https://github.com/actions/toolkit/issues/61
+        Write-Host "::set-env name=pythonLocation::$env:PYTHON" # new syntax https://github.com/actions/toolkit/blob/5bb77ec03fea98332e41f9347c8fbb1ce1e48f4a/docs/commands.md
+        New-Item -ItemType SymbolicLink -Path "$env:PYTHON\python.exe" -Target "$env:PYTHON\pypy3.exe"
+        curl -fsSL -o get-pip.py https://bootstrap.pypa.io/get-pip.py
+        $env:PATH = "$env:PYTHON\bin;$env:PATH"
+        & $env:PYTHON\python.exe get-pip.py
+      shell: pwsh
+
+    # sets env: pythonLocation
+    - name: Set up Python
+      if: "!contains(matrix.python-version, 'pypy')"
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+        architecture: ${{ matrix.architecture }}
+
+    - name: pip install wheel pytest pytest-cov codecov
+      run: |
+        "%pythonLocation%\python.exe" -m pip install wheel pytest pytest-cov
+        pip install codecov
+      shell: cmd
+
+    - name: Fetch dependencies
+      run: |
+        7z x ..\pillow-depends\nasm-2.14.02-win64.zip "-o$env:RUNNER_WORKSPACE\"
+        Write-Host "`#`#[add-path]$env:RUNNER_WORKSPACE\nasm-2.14.02"
+        Write-Host "::add-path::$env:RUNNER_WORKSPACE\nasm-2.14.02"
+
+        ..\pillow-depends\gs950w32.exe /S
+        Write-Host "`#`#[add-path]C:\Program Files (x86)\gs\gs9.50\bin"
+        Write-Host "::add-path::C:\Program Files (x86)\gs\gs9.50\bin"
+
+        $env:PYTHON=$env:pythonLocation
+        xcopy ..\pillow-depends\*.zip $env:GITHUB_WORKSPACE\winbuild\
+        xcopy ..\pillow-depends\*.tar.gz $env:GITHUB_WORKSPACE\winbuild\
+        xcopy /s ..\pillow-depends\test_images\* $env:GITHUB_WORKSPACE\tests\images\
+        cd $env:GITHUB_WORKSPACE/winbuild/
+        python.exe $env:GITHUB_WORKSPACE\winbuild\build_dep.py
+      env:
+        EXECUTABLE: bin\python.exe
+      shell: pwsh
+
+    - name: Build dependencies / libjpeg
+      if: false
+      run: |
+        REM FIXME uses /MT not /MD, see makefile.vc and win32.mak for more info
+
+        set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        set BUILD=%GITHUB_WORKSPACE%\winbuild\build
+        cd /D %BUILD%\jpeg-9c
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
+        echo on
+        nmake -nologo -f makefile.vc setup-vc6
+        nmake -nologo -f makefile.vc clean
+        nmake -nologo -f makefile.vc nodebug=1 libjpeg.lib cjpeg.exe djpeg.exe
+        copy /Y /B j*.h %INCLIB%
+        copy /Y /B *.lib %INCLIB%
+        copy /Y /B *.exe %INCLIB%
+      shell: cmd
+
+    - name: Build dependencies / libjpeg-turbo
+      run: |
+        set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        set BUILD=%GITHUB_WORKSPACE%\winbuild\build
+        cd /D %BUILD%\libjpeg-turbo-2.0.3
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
+        echo on
+        set CMAKE=cmake.exe -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_RULE_MESSAGES:BOOL=OFF
+        set CMAKE=%CMAKE% -DENABLE_SHARED:BOOL=OFF -DWITH_JPEG8:BOOL=TRUE -DWITH_CRT_DLL:BOOL=TRUE -DCMAKE_BUILD_TYPE=Release
+        %CMAKE% -G "NMake Makefiles" .
+        nmake -nologo -f Makefile clean
+        nmake -nologo -f Makefile jpeg-static cjpeg-static djpeg-static
+        copy /Y /B j*.h %INCLIB%
+        copy /Y /B jpeg-static.lib %INCLIB%\libjpeg.lib
+        copy /Y /B cjpeg-static.exe %INCLIB%\cjpeg.exe
+        copy /Y /B djpeg-static.exe %INCLIB%\djpeg.exe
+      shell: cmd
+
+    - name: Build dependencies / zlib
+      run: |
+        set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        set BUILD=%GITHUB_WORKSPACE%\winbuild\build
+        cd /D %BUILD%\zlib-1.2.11
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
+        echo on
+        nmake -nologo -f win32\Makefile.msc clean
+        nmake -nologo -f win32\Makefile.msc zlib.lib
+        copy /Y /B z*.h %INCLIB%
+        copy /Y /B *.lib %INCLIB%
+        copy /Y /B zlib.lib %INCLIB%\z.lib
+      shell: cmd
+
+    - name: Build dependencies / LibTIFF
+      run: |
+        set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        set BUILD=%GITHUB_WORKSPACE%\winbuild\build
+        cd /D %BUILD%\tiff-4.1.0
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
+        echo on
+        copy %GITHUB_WORKSPACE%\winbuild\tiff.opt nmake.opt
+        nmake -nologo -f makefile.vc clean
+        nmake -nologo -f makefile.vc lib
+        copy /Y /B libtiff\tiff*.h %INCLIB%
+        copy /Y /B libtiff\*.dll %INCLIB%
+        copy /Y /B libtiff\*.lib %INCLIB%
+      shell: cmd
+
+    - name: Build dependencies / WebP
+      run: |
+        set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        set BUILD=%GITHUB_WORKSPACE%\winbuild\build
+        cd /D %BUILD%\libwebp-1.0.3
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
+        echo on
+        rmdir /S /Q output\release-static
+        nmake -nologo -f Makefile.vc CFG=release-static OBJDIR=output ARCH=${{ matrix.architecture }} all
+        mkdir %INCLIB%\webp
+        copy /Y /B src\webp\*.h %INCLIB%\webp
+        copy /Y /B output\release-static\${{ matrix.architecture }}\lib\* %INCLIB%
+      shell: cmd
+
+    - name: Build dependencies / FreeType
+      run: |
+        REM Toolkit v100 not available; missing VCTargetsPath; Clean fails
+
+        set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        set BUILD=%GITHUB_WORKSPACE%\winbuild\build
+        cd /D %BUILD%\freetype-2.10.1
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
+        echo on
+        rmdir /S /Q objs
+        set DefaultPlatformToolset=v142
+        set VCTargetsPath=C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Microsoft\VC\v160\
+        set MSBUILD="C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\MSBuild.exe"
+        powershell -Command "(gc builds\windows\vc2010\freetype.vcxproj) -replace 'MultiThreaded<', 'MultiThreadedDLL<' | Out-File -encoding ASCII builds\windows\vc2010\freetype.vcxproj"
+        %MSBUILD% builds\windows\vc2010\freetype.sln /t:Build /p:Configuration="Release Static" /p:Platform=${{ matrix.platform-msbuild }} /m
+        xcopy /Y /E /Q include %INCLIB%
+        copy /Y /B "objs\${{ matrix.platform-msbuild }}\Release Static\freetype.lib" %INCLIB%
+      shell: cmd
+
+    - name: Build dependencies / LCMS2
+      run: |
+        set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        set BUILD=%GITHUB_WORKSPACE%\winbuild\build
+        cd /D %BUILD%\lcms2-2.8
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
+        echo on
+        rmdir /S /Q Lib
+        rmdir /S /Q Projects\VC2015\Release
+        set VCTargetsPath=C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Microsoft\VC\v160\
+        set MSBUILD="C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\MSBuild.exe"
+        powershell %GITHUB_WORKSPACE%\winbuild\lcms2_patch.ps1
+        %MSBUILD% Projects\VC2015\lcms2.sln /t:Clean;lcms2_static /p:Configuration="Release" /p:Platform=${{ matrix.platform-msbuild }} /m
+        xcopy /Y /E /Q include %INCLIB%
+        copy /Y /B Lib\MS\*.lib %INCLIB%
+      shell: cmd
+
+    - name: Build dependencies / OpenJPEG
+      run: |
+        set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        set BUILD=%GITHUB_WORKSPACE%\winbuild\build
+        cd /D %BUILD%\openjpeg-2.3.1msvcr10-x32
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
+        echo on
+        set CMAKE=cmake.exe -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_RULE_MESSAGES:BOOL=OFF
+        set CMAKE=%CMAKE% -DBUILD_THIRDPARTY:BOOL=OFF -DBUILD_SHARED_LIBS:BOOL=OFF
+        set CMAKE=%CMAKE% -DCMAKE_BUILD_TYPE=Release
+        %CMAKE% -G "NMake Makefiles" .
+        nmake -nologo -f Makefile clean
+        nmake -nologo -f Makefile
+        mkdir %INCLIB%\openjpeg-2.3.1
+        copy /Y /B src\lib\openjp2\*.h %INCLIB%\openjpeg-2.3.1
+        copy /Y /B bin\*.lib %INCLIB%
+      shell: cmd
+
+    # GPL licensed; skip if building wheels
+    - name: Build dependencies / libimagequant
+      if: "github.event_name != 'push' || contains(matrix.python-version, 'pypy')"
+      run: |
+        set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        set BUILD=%GITHUB_WORKSPACE%\winbuild\build
+        rem ba653c8: Merge tag '2.12.5' into msvc
+        cd /D %BUILD%\libimagequant-ba653c8ccb34dde4e21c6076d85a72d21ed9d971
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
+        echo on
+        echo (gc CMakeLists.txt) -replace 'add_library', "add_compile_options(-openmp-)`r`nadd_library" ^| Out-File -encoding ASCII CMakeLists.txt > patch.ps1
+        echo (gc CMakeLists.txt) -replace ' SHARED', ' STATIC' ^| Out-File -encoding ASCII CMakeLists.txt >> patch.ps1
+        powershell .\patch.ps1
+        set CMAKE=cmake.exe -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_RULE_MESSAGES:BOOL=OFF
+        set CMAKE=%CMAKE% -DCMAKE_BUILD_TYPE=Release
+        %CMAKE% -G "NMake Makefiles" .
+        nmake -nologo -f Makefile clean
+        nmake -nologo -f Makefile
+        copy /Y /B *.h %INCLIB%
+        copy /Y /B *.lib %INCLIB%
+      shell: cmd
+
+    # for Raqm
+    - name: Build dependencies / HarfBuzz
+      run: |
+        set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        set BUILD=%GITHUB_WORKSPACE%\winbuild\build
+        set INCLUDE=%INCLUDE%;%INCLIB%
+        set LIB=%LIB%;%INCLIB%
+        cd /D %BUILD%\harfbuzz-2.6.1
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
+        echo on
+        set CMAKE=cmake.exe -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_RULE_MESSAGES:BOOL=OFF
+        set CMAKE=%CMAKE% -DHB_HAVE_FREETYPE:BOOL=ON -DCMAKE_BUILD_TYPE=Release
+        %CMAKE% -G "NMake Makefiles" .
+        nmake -nologo -f Makefile clean
+        nmake -nologo -f Makefile harfbuzz
+        copy /Y /B src\*.h %INCLIB%
+        copy /Y /B *.lib %INCLIB%
+      shell: cmd
+
+    # for Raqm
+    - name: Build dependencies / FriBidi
+      run: |
+        set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        set BUILD=%GITHUB_WORKSPACE%\winbuild\build
+        cd /D %BUILD%\fribidi-1.0.7
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
+        echo on
+        copy /Y /B %GITHUB_WORKSPACE%\winbuild\fribidi.cmake CMakeLists.txt
+        set CMAKE=cmake.exe -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_RULE_MESSAGES:BOOL=OFF
+        set CMAKE=%CMAKE% -DCMAKE_BUILD_TYPE=Release
+        %CMAKE% -G "NMake Makefiles" .
+        nmake -nologo -f Makefile clean
+        nmake -nologo -f Makefile fribidi
+        copy /Y /B lib\*.h %INCLIB%
+        copy /Y /B *.lib %INCLIB%
+      shell: cmd
+
+    - name: Build dependencies / Raqm
+      run: |
+        set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        set BUILD=%GITHUB_WORKSPACE%\winbuild\build
+        set INCLUDE=%INCLUDE%;%INCLIB%
+        set LIB=%LIB%;%INCLIB%
+        cd /D %BUILD%\libraqm-0.7.0
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
+        echo on
+        copy /Y /B %GITHUB_WORKSPACE%\winbuild\raqm.cmake CMakeLists.txt
+        set CMAKE=cmake.exe -DCMAKE_VERBOSE_MAKEFILE=ON -DCMAKE_RULE_MESSAGES:BOOL=OFF
+        set CMAKE=%CMAKE% -DCMAKE_BUILD_TYPE=Release
+        %CMAKE% -G "NMake Makefiles" .
+        nmake -nologo -f Makefile clean
+        nmake -nologo -f Makefile libraqm
+        copy /Y /B src\*.h %INCLIB%
+        copy /Y /B libraqm.dll %INCLIB%
+      shell: cmd
+
+    - name: Build Pillow
+      run: |
+        set PYTHON=%pythonLocation%
+        set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
+        set MPLSRC=%GITHUB_WORKSPACE%
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        cd /D %GITHUB_WORKSPACE%
+        set LIB=%INCLIB%;%PYTHON%\tcl
+        set INCLUDE=%INCLIB%;%GITHUB_WORKSPACE%\depends\tcl86\include;%INCLUDE%
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
+        set MSSdk=1
+        set DISTUTILS_USE_SDK=1
+        set py_vcruntime_redist=true
+        %PYTHON%\python.exe setup.py build_ext install
+        rem Add libraqm.dll (copied to INCLIB) to PATH.
+        path %INCLIB%;%PATH%
+        %PYTHON%\python.exe selftest.py --installed
+      shell: cmd
+
+    # failing with PyPy3
+    - name: Enable heap verification
+      if: "!contains(matrix.python-version, 'pypy')"
+      run: |
+        c:\"Program Files (x86)"\"Windows Kits"\10\Debuggers\x86\gflags.exe /p /enable %PYTHON%\python.exe
+      shell: cmd
+
+    - name: Test Pillow
+      run: |
+        set PYTHON=%pythonLocation%
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        rem Add libraqm.dll (copied to INCLIB) to PATH.
+        path %INCLIB%;%PATH%
+        cd /D %GITHUB_WORKSPACE%
+        %PYTHON%\python.exe -m pytest -vx --cov PIL --cov-report term --cov-report xml Tests
+      shell: cmd
+
+    - name: Upload errors
+      uses: actions/upload-artifact@v1
+      if: failure()
+      with:
+        name: errors
+        path: Tests/errors
+
+    - name: Upload coverage
+      run: 'codecov --file "%GITHUB_WORKSPACE%\coverage.xml" --name "%pythonLocation%"'
+      shell: cmd
+
+    - name: Build wheel
+      id: wheel
+      if: "github.event_name == 'push' && !contains(matrix.python-version, 'pypy')"
+      run: |
+        for /f "tokens=3 delims=/" %%a in ("${{ github.ref }}") do echo ##[set-output name=dist;]dist-%%a
+        for /f "tokens=3 delims=/" %%a in ("${{ github.ref }}") do echo ::set-output name=dist::dist-%%a
+        set PYTHON=%pythonLocation%
+        set INCLUDE=C:\Program Files (x86)\Microsoft SDKs\Windows\V7.1A\Include
+        set MPLSRC=%GITHUB_WORKSPACE%
+        set INCLIB=%GITHUB_WORKSPACE%\winbuild\depends\msvcr10-x32
+        cd /D %GITHUB_WORKSPACE%
+        set LIB=%INCLIB%;%PYTHON%\tcl
+        set INCLUDE=%INCLIB%;%GITHUB_WORKSPACE%\depends\tcl86\include;%INCLUDE%
+        call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
+        %PYTHON%\python.exe setup.py bdist_wheel
+      shell: cmd
+
+    - uses: actions/upload-artifact@v1
+      if: "github.event_name == 'push' && !contains(matrix.python-version, 'pypy')"
+      with:
+        name: ${{ steps.wheel.outputs.dist }}
+        path: dist

.github/workflows/test.yml

@@ -0,0 +1,76 @@
+name: Test
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [
+          "ubuntu-latest",
+          "macOS-latest",
+        ]
+        python-version: [
+          "pypy3",
+          "3.8",
+          "3.7",
+          "3.6",
+          "3.5",
+        ]
+        include:
+        - python-version: "3.5"
+          env: PYTHONOPTIMIZE=2
+        - python-version: "3.6"
+          env: PYTHONOPTIMIZE=1
+    runs-on: ${{ matrix.os }}
+    name: ${{ matrix.os }} Python ${{ matrix.python-version }}
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v1
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install Linux dependencies
+      if: startsWith(matrix.os, 'ubuntu')
+      run: |
+        .travis/install.sh
+
+    - name: Install macOS dependencies
+      if: startsWith(matrix.os, 'macOS')
+      run: |
+        .github/workflows/macos-install.sh
+
+    - name: Build
+      run: |
+        .travis/build.sh
+
+    - name: Test
+      run: |
+        .travis/test.sh
+
+    - name: Upload errors
+      uses: actions/upload-artifact@v1
+      if: failure()
+      with:
+        name: errors
+        path: Tests/errors
+
+    - name: Docs
+      if: matrix.python-version == 3.8
+      run: |
+        pip install sphinx-rtd-theme
+        make doccheck
+
+    - name: After success
+      if: success()
+      run: |
+        .travis/after_success.sh
+      env:
+        MATRIX_OS: ${{ matrix.os }}
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+        COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}

.gitignore

@@ -73,6 +73,9 @@ pip-delete-this-directory.txt
 \#*#
 .#*
 
+#VS Code
+.vscode
+
 #Komodo
 *.komodoproject
 

.landscape.yaml

@@ -1,3 +0,0 @@
-strictness: medium
-test-warnings: yes
-max-line-length: 80

.travis.yml

@@ -6,8 +6,8 @@ notifications:
   irc: "chat.freenode.net#pil"
 
 # Run fast lint first to get fast feedback.
-# Run slow PyPy* next, to give them a headstart and reduce waiting time.
+# Run slow PyPy next, to give it a headstart and reduce waiting time.
-# Run latest 3.x and 2.x next, to get quick compatibility results.
+# Run latest 3.x next, to get quick compatibility results.
 # Then run the remainder, with fastest Docker jobs last.
 
 matrix:
@@ -16,50 +16,34 @@ matrix:
     - python: "3.6"
       name: "Lint"
       env: LINT="true"
-    - python: "pypy2.7-6.0"
+    - python: "pypy3"
-      name: "PyPy2 Xenial"
-      dist: xenial
-    - python: "pypy3.5-6.0"
       name: "PyPy3 Xenial"
-      dist: xenial
+    - python: "3.8"
+      name: "3.8 Xenial"
+      services: xvfb
     - python: '3.7'
       name: "3.7 Xenial"
-    - python: '2.7'
-      name: "2.7 Xenial"
-    - python: '2.7'
-      name: "2.7 Trusty"
-      dist: trusty
-    - python:  "2.7_with_system_site_packages" # For PyQt4
-      name: "2.7_with_system_site_packages Xenial"
       services: xvfb
-    - python:  "2.7_with_system_site_packages" # For PyQt4
-      name: "2.7_with_system_site_packages Trusty"
-      dist: trusty
     - python: '3.6'
-      name: "3.6 Xenial"
+      name: "3.6 Xenial PYTHONOPTIMIZE=1"
-    - python: '3.6'
-      name: "3.6 Trusty PYTHONOPTIMIZE=1"
-      dist: trusty
       env: PYTHONOPTIMIZE=1
+      services: xvfb
     - python: '3.5'
-      name: "3.5 Xenial"
+      name: "3.5 Xenial PYTHONOPTIMIZE=2"
-    - python: '3.5'
-      name: "3.5 Trusty PYTHONOPTIMIZE=2"
-      dist: trusty
       env: PYTHONOPTIMIZE=2
-    - python: "3.8-dev"
+      services: xvfb
-      name: "3.8-dev Xenial"
     - env: DOCKER="alpine" DOCKER_TAG="master"
     - env: DOCKER="arch" DOCKER_TAG="master" # contains PyQt5
-    - env: DOCKER="ubuntu-trusty-x86" DOCKER_TAG="master"
+    - env: DOCKER="ubuntu-16.04-xenial-amd64" DOCKER_TAG="master"
-    - env: DOCKER="ubuntu-xenial-amd64" DOCKER_TAG="master"
+    - env: DOCKER="ubuntu-18.04-bionic-amd64" DOCKER_TAG="master"
-    - env: DOCKER="debian-stretch-x86" DOCKER_TAG="master"
+    - env: DOCKER="debian-9-stretch-x86" DOCKER_TAG="master"
+    - env: DOCKER="debian-10-buster-x86" DOCKER_TAG="master"
     - env: DOCKER="centos-6-amd64" DOCKER_TAG="master"
     - env: DOCKER="centos-7-amd64" DOCKER_TAG="master"
     - env: DOCKER="amazon-1-amd64" DOCKER_TAG="master"
     - env: DOCKER="amazon-2-amd64" DOCKER_TAG="master"
-    - env: DOCKER="fedora-28-amd64" DOCKER_TAG="master"
+    - env: DOCKER="fedora-30-amd64" DOCKER_TAG="master"
-    - env: DOCKER="fedora-29-amd64" DOCKER_TAG="master"
+    - env: DOCKER="fedora-31-amd64" DOCKER_TAG="master"
 
 services:
   - docker
@@ -75,20 +59,13 @@ install:
       .travis/install.sh;
     fi
 
-before_script:
-# Qt needs a display for some of the tests, and it's only run on the system site packages install
-- |
-  if [ "$TRAVIS_JOB_NAME" == "2.7_with_system_site_packages Trusty" ]; then
-    export DISPLAY=:99.0
-    sh -e /etc/init.d/xvfb start
-  fi
-
 script:
 - |
   if [ "$LINT" == "true" ]; then
     tox -e lint
   elif [ "$DOCKER" == "" ]; then
-    .travis/script.sh
+    .travis/build.sh
+    .travis/test.sh
   elif [ "$DOCKER" ]; then
     # the Pillow user in the docker container is UID 1000
     sudo chown -R 1000 $TRAVIS_BUILD_DIR

.travis/after_success.sh

@@ -1,7 +1,12 @@
 #!/bin/bash
 
 # gather the coverage data
-sudo apt-get -qq install lcov
+if [[ "$MATRIX_OS" == "macOS-latest" ]]; then
+    brew install lcov
+else
+    sudo apt-get -qq install lcov
+fi
+
 lcov --capture --directory . -b . --output-file coverage.info
 #  filter to remove system headers
 lcov --remove coverage.info '/usr/*' -o coverage.filtered.info
@@ -15,9 +20,8 @@ pip install coveralls-merge
 coveralls-merge coverage.c.json
 codecov
 
-if [ "$TRAVIS_PYTHON_VERSION" == "2.7" ] && [ "$DOCKER" == "" ]; then
+if [ "$TRAVIS_PYTHON_VERSION" == "3.7" ] && [ "$DOCKER" == "" ]; then
     # Coverage and quality reports on just the latest diff.
-    # (Installation is very slow on Py3, so just do it for Py2.)
     depends/diffcover-install.sh
     depends/diffcover-run.sh
 fi

.travis/build.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -e
+
+coverage erase
+if [ $(uname) == "Darwin" ]; then
+    export CPPFLAGS="-I/usr/local/miniconda/include";
+fi
+make clean
+make install-coverage

.travis/install.sh

@@ -4,11 +4,10 @@ set -e
 
 sudo apt-get update
 sudo apt-get -qq install libfreetype6-dev liblcms2-dev python-tk\
-			 python-qt4 ghostscript libffi-dev libjpeg-turbo-progs cmake imagemagick\
+                         ghostscript libffi-dev libjpeg-turbo-progs libopenjp2-7-dev\
-             libharfbuzz-dev libfribidi-dev
+                         cmake imagemagick libharfbuzz-dev libfribidi-dev
 
 PYTHONOPTIMIZE=0 pip install cffi
-pip install check-manifest
 pip install coverage
 pip install olefile
 pip install -U pytest
@@ -16,22 +15,22 @@ pip install -U pytest-cov
 pip install pyroma
 pip install test-image-results
 pip install numpy
+if [[ $TRAVIS_PYTHON_VERSION == 3.* ]]; then
+    sudo apt-get -qq install pyqt5-dev-tools
+    pip install pyqt5
+fi
 
-# docs only on Python 2.7
+# docs only on Python 3.7
-if [ "$TRAVIS_PYTHON_VERSION" == "2.7" ]; then pip install -r requirements.txt ; fi
+if [ "$TRAVIS_PYTHON_VERSION" == "3.7" ]; then pip install -r requirements.txt ; fi
-
-# clean checkout for manifest
-mkdir /tmp/check-manifest && cp -a . /tmp/check-manifest
 
 # webp
 pushd depends && ./install_webp.sh && popd
 
-# openjpeg
-pushd depends && ./install_openjpeg.sh && popd
-
 # libimagequant
 pushd depends && ./install_imagequant.sh && popd
 
+# raqm
+pushd depends && ./install_raqm.sh && popd
+
 # extra test images
 pushd depends && ./install_extra_test_images.sh && popd
-

.travis/script.sh

@@ -1,15 +0,0 @@
-#!/bin/bash
-
-set -e
-
-coverage erase
-make clean
-make install-coverage
-
-python selftest.py
-python -m pytest -vx --cov PIL --cov-report term Tests
-
-pushd /tmp/check-manifest && check-manifest --ignore ".coveragerc,.editorconfig,*.yml,*.yaml,tox.ini" && popd
-
-# Docs
-if [ "$TRAVIS_PYTHON_VERSION" == "2.7" ]; then make doccheck; fi

.travis/test.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -e
+
+python -m pytest -v -x --cov PIL --cov-report term Tests
+
+# Docs
+if [ "$TRAVIS_PYTHON_VERSION" == "3.7" ]; then make doccheck; fi

CHANGES.rst

@@ -2,9 +2,410 @@
 Changelog (Pillow)
 ==================
 
-6.0.0 (unreleased)
+7.0.0 (unreleased)
 ------------------
 
+- Drop support for EOL Python 2.7 #4109
+  [hugovk, radarhere, jdufresne]
+
+- Added UnidentifiedImageError #4182
+  [radarhere, hugovk]
+
+- Remove deprecated __version__ from plugins #4197
+  [hugovk, radarhere]
+
+- Fixed freeing unallocated pointer when resizing with height too large #4116
+  [radarhere]
+
+- Copy info in Image.transform #4128
+  [radarhere]
+
+- Corrected DdsImagePlugin setting info gamma #4171
+  [radarhere]
+
+- Depends: Update libtiff to 4.1.0 #4195, Tk Tcl to 8.6.10 #4229
+  [radarhere]
+
+- Improve handling of file resources #3577
+  [jdufresne]
+
+- Removed CI testing of Fedora 29 #4165
+  [hugovk]
+
+- Added pypy3 to tox envlist #4137
+  [jdufresne]
+
+- Drop support for EOL PyQt4 and PySide #4108
+  [hugovk, radarhere]
+
+- Removed deprecated setting of TIFF image sizes #4114
+  [radarhere]
+
+- Removed deprecated PILLOW_VERSION #4107
+  [hugovk]
+
+- Changed default frombuffer raw decoder args #1730
+  [radarhere]
+
+6.2.1 (2019-10-21)
+------------------
+
+- This is the last Pillow release to support Python 2.7 #3642
+
+- Add support for Python 3.8 #4141
+  [hugovk]
+
+6.2.0 (2019-10-01)
+------------------
+
+- Catch buffer overruns #4104
+  [radarhere]
+
+- Initialize rows_per_strip when RowsPerStrip tag is missing #4034
+  [cgohlke, radarhere]
+
+- Raise error if TIFF dimension is a string #4103
+  [radarhere]
+
+- Added decompression bomb checks #4102
+  [radarhere]
+
+- Fix ImageGrab.grab DPI scaling on Windows 10 version 1607+ #4000
+  [nulano, radarhere]
+
+- Corrected negative seeks #4101
+  [radarhere]
+
+- Added argument to capture all screens on Windows #3950
+  [nulano, radarhere]
+
+- Updated warning to specify when Image.frombuffer defaults will change #4086
+  [radarhere]
+
+- Changed WindowsViewer format to PNG #4080
+  [radarhere]
+
+- Use TIFF orientation #4063
+  [radarhere]
+
+- Raise the same error if a truncated image is loaded a second time #3965
+  [radarhere]
+
+- Lazily use ImageFileDirectory_v1 values from Exif #4031
+  [radarhere]
+
+- Improved HSV conversion #4004
+  [radarhere]
+
+- Added text stroking #3978
+  [radarhere, hugovk]
+
+- No more deprecated bdist_wininst .exe installers #4029
+  [hugovk]
+
+- Do not allow floodfill to extend into negative coordinates #4017
+  [radarhere]
+
+- Fixed arc drawing bug for a non-whole number of degrees #4014
+  [radarhere]
+
+- Fix bug when merging identical images to GIF with a list of durations #4003
+  [djy0, radarhere]
+
+- Fix bug in TIFF loading of BufferedReader #3998
+  [chadawagner]
+
+- Added fallback for finding ld on MinGW Cygwin #4019
+  [radarhere]
+
+- Remove indirect dependencies from requirements.txt #3976
+  [hugovk]
+
+- Depends: Update libwebp to 1.0.3 #3983, libimagequant to 2.12.5 #3993, freetype to 2.10.1 #3991
+  [radarhere]
+
+- Change overflow check to use PY_SSIZE_T_MAX #3964
+  [radarhere]
+
+- Report reason for pytest skips #3942
+  [hugovk]
+
+6.1.0 (2019-07-01)
+------------------
+
+- Deprecate Image.__del__ #3929
+  [jdufresne]
+
+- Tiff: Add support for JPEG quality #3886
+  [olt]
+
+- Respect the PKG_CONFIG environment variable when building #3928
+  [chewi]
+
+- Use explicit memcpy() to avoid unaligned memory accesses #3225
+  [DerDakon]
+
+- Improve encoding of TIFF tags #3861
+  [olt]
+
+- Update Py_UNICODE to Py_UCS4 #3780
+  [nulano]
+
+- Consider I;16 pixel size when drawing #3899
+  [radarhere]
+
+- Add TIFFTAG_SAMPLEFORMAT to blocklist #3926
+  [cgohlke, radarhere]
+
+- Create GIF deltas from background colour of GIF frames if disposal mode is 2 #3708
+  [sircinnamon, radarhere]
+
+- Added ImageSequence all_frames #3778
+  [radarhere]
+
+- Use unsigned int to store TIFF IFD offsets #3923
+  [cgohlke]
+
+- Include CPPFLAGS when searching for libraries #3819
+  [jefferyto]
+
+- Updated TIFF tile descriptors to match current decoding functionality #3795
+  [dmnisson]
+
+- Added an ``image.entropy()`` method (second revision) #3608
+  [fish2000]
+
+- Pass the correct types to PyArg_ParseTuple #3880
+  [QuLogic]
+
+- Fixed crash when loading non-font bytes #3912
+  [radarhere]
+
+- Fix SPARC memory alignment issues in Pack/Unpack functions #3858
+  [kulikjak]
+
+- Added CMYK;16B and CMYK;16N unpackers #3913
+  [radarhere]
+
+- Fixed bugs in calculating text size #3864
+  [radarhere]
+
+- Add __main__.py to output basic format and support information #3870
+  [jdufresne]
+
+- Added variation font support #3802
+  [radarhere]
+
+- Do not down-convert if image is LA when showing with PNG format #3869
+  [radarhere]
+
+- Improve handling of PSD frames #3759
+  [radarhere]
+
+- Improved ICO and ICNS loading #3897
+  [radarhere]
+
+- Changed Preview application path so that it is no longer static #3896
+  [radarhere]
+
+- Corrected ttb text positioning #3856
+  [radarhere]
+
+- Handle unexpected ICO image sizes #3836
+  [radarhere]
+
+- Fixed bits value for RGB;16N unpackers #3837
+  [kkopachev]
+
+- Travis CI: Add Fedora 30, remove Fedora 28 #3821
+  [hugovk]
+
+- Added reading of CMYK;16L TIFF images #3817
+  [radarhere]
+
+- Fixed dimensions of 1-bit PDFs #3827
+  [radarhere]
+
+- Fixed opening mmap image through Path on Windows #3825
+  [radarhere]
+
+- Fixed ImageDraw arc gaps #3824
+  [radarhere]
+
+- Expand GIF to include frames with extents outside the image size #3822
+  [radarhere]
+
+- Fixed ImageTk getimage #3814
+  [radarhere]
+
+- Fixed bug in decoding large images #3791
+  [radarhere]
+
+- Fixed reading APP13 marker without Photoshop data #3771
+  [radarhere]
+
+- Added option to include layered windows in ImageGrab.grab on Windows #3808
+  [radarhere]
+
+- Detect libimagequant when installed by pacman on MingW #3812
+  [radarhere]
+
+- Fixed raqm layout bug #3787
+  [radarhere]
+
+- Fixed loading font with non-Unicode path on Windows #3785
+  [radarhere]
+
+- Travis CI: Upgrade PyPy from 6.0.0 to 7.1.1 #3783
+  [hugovk, johnthagen]
+
+- Depends: Updated openjpeg to 2.3.1 #3794, raqm to 0.7.0 #3877, libimagequant to 2.12.3 #3889
+  [radarhere]
+
+- Fix numpy bool bug #3790
+  [radarhere]
+
+6.0.0 (2019-04-01)
+------------------
+
+- Python 2.7 support will be removed in Pillow 7.0.0 #3682
+  [hugovk]
+
+- Add EXIF class #3625
+  [radarhere]
+
+- Add ImageOps exif_transpose method #3687
+  [radarhere]
+
+- Added warnings to deprecated CMSProfile attributes #3615
+  [hugovk]
+
+- Documented reading TIFF multiframe images #3720
+  [akuchling]
+
+- Improved speed of opening an MPO file #3658
+  [Glandos]
+
+- Update palette in quantize #3721
+  [radarhere]
+
+- Improvements to TIFF is_animated and n_frames #3714
+  [radarhere]
+
+- Fixed incompatible pointer type warnings #3754
+  [radarhere]
+
+- Improvements to PA and LA conversion and palette operations #3728
+  [radarhere]
+
+- Consistent DPI rounding #3709
+  [radarhere]
+
+- Change size of MPO image to match frame #3588
+  [radarhere]
+
+- Read Photoshop resolution data #3701
+  [radarhere]
+
+- Ensure image is mutable before saving #3724
+  [radarhere]
+
+- Correct remap_palette documentation #3740
+  [radarhere]
+
+- Promote P images to PA in putalpha #3726
+  [radarhere]
+
+- Allow RGB and RGBA values for new P images #3719
+  [radarhere]
+
+- Fixed TIFF bug when seeking backwards and then forwards #3713
+  [radarhere]
+
+- Cache EXIF information #3498
+  [Glandos]
+
+- Added transparency for all PNG greyscale modes #3744
+  [radarhere]
+
+- Fix deprecation warnings in Python 3.8 #3749
+  [radarhere]
+
+- Fixed GIF bug when rewinding to a non-zero frame #3716
+  [radarhere]
+
+- Only close original fp in __del__ and __exit__ if original fp is exclusive #3683
+  [radarhere]
+
+- Fix BytesWarning in Tests/test_numpy.py #3725
+  [jdufresne]
+
+- Add missing MIME types and extensions #3520
+  [pirate486743186]
+
+- Add I;16 PNG save #3566
+  [radarhere]
+
+- Add support for BMP RGBA bitfield compression #3705
+  [radarhere]
+
+- Added ability to set language for text rendering #3693
+  [iwsfutcmd]
+
+- Only close exclusive fp on Image __exit__ #3698
+  [radarhere]
+
+- Changed EPS subprocess stdout from devnull to None #3635
+  [radarhere]
+
+- Add reading old-JPEG compressed TIFFs #3489
+  [kkopachev]
+
+- Add EXIF support for PNG #3674
+  [radarhere]
+
+- Add option to set dither param on quantize #3699
+  [glasnt]
+
+- Add reading of DDS uncompressed RGB data #3673
+  [radarhere]
+
+- Correct length of Tiff BYTE tags #3672
+  [radarhere]
+
+- Add DIB saving and loading through Image open #3691
+  [radarhere]
+
+- Removed deprecated VERSION #3624
+  [hugovk]
+
+- Fix 'BytesWarning: Comparison between bytes and string' in PdfDict #3580
+  [jdufresne]
+
+- Do not resize in Image.thumbnail if already the destination size #3632
+  [radarhere]
+
+- Replace .seek() magic numbers with io.SEEK_* constants #3572
+  [jdufresne]
+
+- Make ContainerIO.isatty() return a bool, not int #3568
+  [jdufresne]
+
+- Add support to all transpose operations for I;16 modes #3563, #3741
+  [radarhere]
+
+- Deprecate support for PyQt4 and PySide #3655
+  [hugovk, radarhere]
+
+- Add TIFF compression codecs: LZMA, Zstd, WebP #3555
+  [cgohlke]
+
+- Fixed pickling of iTXt class with protocol > 1 #3537
+  [radarhere]
+
+- _util.isPath returns True for pathlib.Path objects #3616
+  [wbadart]
+
 - Remove unnecessary unittest.main() boilerplate from test files #3631
   [jdufresne]
 
@@ -407,7 +808,7 @@ Changelog (Pillow)
 - Enable background colour parameter on rotate #3057
   [storesource]
 
-- Remove unnecessary `#if 1` directive #3072
+- Remove unnecessary ``#if 1`` directive #3072
   [jdufresne]
 
 - Remove unused Python class, Path #3070
@@ -944,7 +1345,7 @@ Changelog (Pillow)
 - Add decompression bomb check to Image.crop #2410
   [wiredfool]
 
-- ImageFile: Ensure that the `err_code` variable is initialized in case of exception. #2363
+- ImageFile: Ensure that the ``err_code`` variable is initialized in case of exception. #2363
   [alexkiro]
 
 - Tiff: Support append_images for saving multipage TIFFs #2406
@@ -1181,7 +1582,7 @@ Changelog (Pillow)
 - Removed PIL 1.0 era TK readme that concerns Windows 95/NT #2360
   [wiredfool]
 
-- Prevent `nose -v` printing docstrings #2369
+- Prevent ``nose -v`` printing docstrings #2369
   [hugovk]
 
 - Replaced absolute PIL imports with relative imports #2349
@@ -1270,7 +1671,7 @@ Changelog (Pillow)
 - Test: Faster assert_image_similar #2279
   [homm]
 
-- Removed depreciated internal "stretch" method #2276
+- Removed deprecated internal "stretch" method #2276
   [homm]
 
 - Removed the handles_eof flag in decode.c #2223
@@ -1626,7 +2027,7 @@ Changelog (Pillow)
 - Changed depends/install_*.sh urls to point to github pillow-depends repo #1983
   [wiredfool]
 
-- Allow ICC profile from `encoderinfo` while saving PNGs #1909
+- Allow ICC profile from ``encoderinfo`` while saving PNGs #1909
   [homm]
 
 - Fix integer overflow on ILP32 systems (32-bit Linux). #1975
@@ -2069,7 +2470,7 @@ Changelog (Pillow)
 - Added PDF multipage saving #1445
   [radarhere]
 
-- Removed deprecated code, Image.tostring, Image.fromstring, Image.offset, ImageDraw.setink, ImageDraw.setfill, ImageFileIO, ImageFont.FreeTypeFont and ImageFont.truetype `file` kwarg, ImagePalette private _make functions, ImageWin.fromstring and ImageWin.tostring #1343
+- Removed deprecated code, Image.tostring, Image.fromstring, Image.offset, ImageDraw.setink, ImageDraw.setfill, ImageFileIO, ImageFont.FreeTypeFont and ImageFont.truetype ``file`` kwarg, ImagePalette private _make functions, ImageWin.fromstring and ImageWin.tostring #1343
   [radarhere]
 
 - Load more broken images #1428
@@ -2561,7 +2962,7 @@ Changelog (Pillow)
 - Doc cleanup
   [wiredfool]
 
-- Fix `ImageStat` docs #796
+- Fix ``ImageStat`` docs #796
   [akx]
 
 - Added docs for ExifTags #794
@@ -2998,7 +3399,7 @@ Changelog (Pillow)
 - Add RGBA support to ImageColor #309
   [yoavweiss]
 
-- Test for `str`, not `"utf-8"` #306 (fixes #304)
+- Test for ``str``, not ``"utf-8"`` #306 (fixes #304)
   [mjpieters]
 
 - Fix missing import os in _util.py #303
@@ -3104,7 +3505,7 @@ Changelog (Pillow)
 
 - Partial work to add a wrapper for WebPGetFeatures to correctly support #220 (fixes #204)
 
-- Significant performance improvement of `alpha_composite` function #156
+- Significant performance improvement of ``alpha_composite`` function #156
   [homm]
 
 - Support explicitly disabling features via --disable-* options #240

MANIFEST.in

@@ -1,4 +1,3 @@
-
 include *.c
 include *.h
 include *.in
@@ -9,23 +8,22 @@ include *.sh
 include *.txt
 include LICENSE
 include Makefile
+include tox.ini
 graft Tests
 graft src
 graft depends
 graft winbuild
 graft docs
-prune docs/_static
 
 # build/src control detritus
 exclude .appveyor.yml
 exclude .coveragerc
 exclude .codecov.yml
 exclude .editorconfig
-exclude .landscape.yaml
 exclude .readthedocs.yml
-exclude .travis
+exclude azure-pipelines.yml
-exclude .travis/*
-exclude tox.ini
 global-exclude .git*
 global-exclude *.pyc
 global-exclude *.so
+prune .azure-pipelines
+prune .travis

Makefile

@@ -3,7 +3,7 @@
 .DEFAULT_GOAL := release-test
 
 clean:
-	python setup.py clean
+	python3 setup.py clean
 	rm src/PIL/*.so || true
 	rm -r build || true
 	find . -name __pycache__ | xargs rm -r || true
@@ -15,8 +15,8 @@ co:
     done
 
 coverage:
-	python selftest.py
+	python3 selftest.py
-	python setup.py test
+	python3 setup.py test
 	rm -r htmlcov || true
 	coverage report
 
@@ -30,7 +30,7 @@ doccheck:
 	$(MAKE) -C docs linkcheck || true
 
 docserve:
-	cd docs/_build/html && python -mSimpleHTTPServer 2> /dev/null&
+	cd docs/_build/html && python3 -mSimpleHTTPServer 2> /dev/null&
 
 help:
 	@echo "Welcome to Pillow development. Please use \`make <target>\` where <target> is one of"
@@ -50,22 +50,22 @@ help:
 	@echo "  upload-test        build and upload sdists to test.pythonpackages.com"
 
 inplace: clean
-	python setup.py develop build_ext --inplace
+	python3 setup.py develop build_ext --inplace
 
 install:
-	python setup.py install
+	python3 setup.py install
-	python selftest.py
+	python3 selftest.py
 
 install-coverage:
-	CFLAGS="-coverage" python setup.py build_ext install
+	CFLAGS="-coverage" python3 setup.py build_ext install
-	python selftest.py
+	python3 selftest.py
 
 debug:
 # make a debug version if we don't have a -dbg python. Leaves in symbols
 # for our stuff, kills optimization, and redirects to dev null so we
 # see any build failures.
 	make clean > /dev/null
-	CFLAGS='-g -O0' python setup.py build_ext install > /dev/null
+	CFLAGS='-g -O0' python3 setup.py build_ext install > /dev/null
 
 install-req:
 	pip install -r requirements.txt
@@ -76,17 +76,17 @@ install-venv:
 
 release-test:
 	$(MAKE) install-req
-	python setup.py develop
+	python3 setup.py develop
-	python selftest.py
+	python3 selftest.py
-	python -m pytest Tests
+	python3 -m pytest Tests
-	python setup.py install
+	python3 setup.py install
-	python -m pytest -qq
+	python3 -m pytest -qq
 	check-manifest
 	pyroma .
 	viewdoc
 
 sdist:
-	python setup.py sdist --format=gztar
+	python3 setup.py sdist --format=gztar
 
 test:
 	pytest -qq
@@ -97,10 +97,10 @@ upload-test:
 #       username:
 #       password:
 #       repository = http://test.pythonpackages.com
-	python setup.py sdist --format=gztar upload -r test
+	python3 setup.py sdist --format=gztar upload -r test
 
 upload:
-	python setup.py sdist --format=gztar upload
+	python3 setup.py sdist --format=gztar upload
 
 readme:
 	viewdoc

README.rst

@@ -4,7 +4,7 @@ Pillow
 Python Imaging Library (Fork)
 -----------------------------
 
-Pillow is the friendly PIL fork by `Alex Clark and Contributors <https://github.com/python-pillow/Pillow/graphs/contributors>`_. PIL is the Python Imaging Library by Fredrik Lundh and Contributors.
+Pillow is the friendly PIL fork by `Alex Clark and Contributors <https://github.com/python-pillow/Pillow/graphs/contributors>`_. PIL is the Python Imaging Library by Fredrik Lundh and Contributors. As of 2019, Pillow development is `supported by Tidelift <https://tidelift.com/subscription/pkg/pypi-pillow>`_.
 
 .. start-badges
 
@@ -14,58 +14,14 @@ Pillow is the friendly PIL fork by `Alex Clark and Contributors <https://github.
     * - docs
       - |docs|
     * - tests
-      - |linux| |macos| |windows| |coverage|
+      - |linux| |macos| |windows| |gha_lint| |gha| |gha_windows| |gha_docker| |coverage|
     * - package
       - |zenodo| |tidelift| |version| |downloads|
     * - social
       - |gitter| |twitter|
 
-.. |docs| image:: https://readthedocs.org/projects/pillow/badge/?version=latest
-   :target: https://pillow.readthedocs.io/?badge=latest
-   :alt: Documentation Status
-
-.. |linux| image:: https://img.shields.io/travis/python-pillow/Pillow/master.svg?label=Linux%20build
-   :target: https://travis-ci.org/python-pillow/Pillow
-   :alt: Travis CI build status (Linux)
-
-.. |macos| image:: https://img.shields.io/travis/python-pillow/pillow-wheels/master.svg?label=macOS%20build
-   :target: https://travis-ci.org/python-pillow/pillow-wheels
-   :alt: Travis CI build status (macOS)
-
-.. |windows| image:: https://img.shields.io/appveyor/ci/python-pillow/Pillow/master.svg?label=Windows%20build
-   :target: https://ci.appveyor.com/project/python-pillow/Pillow
-   :alt: AppVeyor CI build status (Windows)
-
-.. |coverage| image:: https://coveralls.io/repos/python-pillow/Pillow/badge.svg?branch=master&service=github
-   :target: https://coveralls.io/github/python-pillow/Pillow?branch=master
-   :alt: Code coverage
-
-.. |zenodo| image:: https://zenodo.org/badge/17549/python-pillow/Pillow.svg
-   :target: https://zenodo.org/badge/latestdoi/17549/python-pillow/Pillow
-
-.. |tidelift| image:: https://tidelift.com/badges/github/python-pillow/Pillow?style=flat
-   :target: https://tidelift.com/subscription/pkg/pypi-pillow?utm_source=pypi-pillow&utm_medium=referral&utm_campaign=readme
-
-.. |version| image:: https://img.shields.io/pypi/v/pillow.svg
-   :target: https://pypi.org/project/Pillow/
-   :alt: Latest PyPI version
-
-.. |downloads| image:: https://img.shields.io/pypi/dm/pillow.svg
-   :target: https://pypi.org/project/Pillow/
-   :alt: Number of PyPI downloads
-
-.. |gitter| image:: https://badges.gitter.im/python-pillow/Pillow.svg
-   :target: https://gitter.im/python-pillow/Pillow?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
-   :alt: Join the chat at https://gitter.im/python-pillow/Pillow
-
-.. |twitter| image:: https://img.shields.io/badge/tweet-on%20Twitter-00aced.svg
-   :target: https://twitter.com/PythonPillow
-   :alt: Follow on https://twitter.com/PythonPillow
-
 .. end-badges
 
-
-
 More Information
 ----------------
 
@@ -82,3 +38,62 @@ More Information
 - `Changelog <https://github.com/python-pillow/Pillow/blob/master/CHANGES.rst>`_
 
   - `Pre-fork <https://github.com/python-pillow/Pillow/blob/master/CHANGES.rst#pre-fork>`_
+
+Report a Vulnerability
+----------------------
+
+To report a security vulnerability, please follow the procedure described in the `Tidelift security policy <https://tidelift.com/docs/security>`_.
+
+.. |docs| image:: https://readthedocs.org/projects/pillow/badge/?version=latest
+   :target: https://pillow.readthedocs.io/?badge=latest
+   :alt: Documentation Status
+
+.. |linux| image:: https://img.shields.io/travis/python-pillow/Pillow/master.svg?label=Linux%20build
+   :target: https://travis-ci.org/python-pillow/Pillow
+   :alt: Travis CI build status (Linux)
+
+.. |macos| image:: https://img.shields.io/travis/python-pillow/pillow-wheels/master.svg?label=macOS%20build
+   :target: https://travis-ci.org/python-pillow/pillow-wheels
+   :alt: Travis CI build status (macOS)
+
+.. |windows| image:: https://img.shields.io/appveyor/ci/python-pillow/Pillow/master.svg?label=Windows%20build
+   :target: https://ci.appveyor.com/project/python-pillow/Pillow
+   :alt: AppVeyor CI build status (Windows)
+
+.. |gha_lint| image:: https://github.com/python-pillow/Pillow/workflows/Lint/badge.svg
+   :alt: GitHub Actions build status (Lint)
+
+.. |gha_docker| image:: https://github.com/python-pillow/Pillow/workflows/Test%20Docker/badge.svg
+   :alt: GitHub Actions build status (Test Docker)
+
+.. |gha| image:: https://github.com/python-pillow/Pillow/workflows/Test/badge.svg
+   :alt: GitHub Actions build status (Test Linux and macOS)
+
+.. |gha_windows| image:: https://github.com/python-pillow/Pillow/workflows/Test%20Windows/badge.svg
+   :alt: GitHub Actions build status (Test Windows)
+
+.. |coverage| image:: https://codecov.io/gh/python-pillow/Pillow/branch/master/graph/badge.svg
+   :target: https://codecov.io/gh/python-pillow/Pillow
+   :alt: Code coverage
+
+.. |zenodo| image:: https://zenodo.org/badge/17549/python-pillow/Pillow.svg
+   :target: https://zenodo.org/badge/latestdoi/17549/python-pillow/Pillow
+
+.. |tidelift| image:: https://tidelift.com/badges/package/pypi/Pillow?style=flat
+   :target: https://tidelift.com/subscription/pkg/pypi-pillow?utm_source=pypi-pillow&utm_medium=referral&utm_campaign=readme
+
+.. |version| image:: https://img.shields.io/pypi/v/pillow.svg
+   :target: https://pypi.org/project/Pillow/
+   :alt: Latest PyPI version
+
+.. |downloads| image:: https://img.shields.io/pypi/dm/pillow.svg
+   :target: https://pypi.org/project/Pillow/
+   :alt: Number of PyPI downloads
+
+.. |gitter| image:: https://badges.gitter.im/python-pillow/Pillow.svg
+   :target: https://gitter.im/python-pillow/Pillow?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge
+   :alt: Join the chat at https://gitter.im/python-pillow/Pillow
+
+.. |twitter| image:: https://img.shields.io/badge/tweet-on%20Twitter-00aced.svg
+   :target: https://twitter.com/PythonPillow
+   :alt: Follow on https://twitter.com/PythonPillow

RELEASING.md

@@ -51,6 +51,7 @@ Released as needed for security, installation or critical bug fixes.
   make sdist
   ```
 * [ ] Create [binary distributions](https://github.com/python-pillow/Pillow/blob/master/RELEASING.md#binary-distributions)
+* [ ] Upload all binaries and source distributions e.g. `twine upload dist/Pillow-5.2.1*`
 * [ ] Create a [new release on GitHub](https://github.com/python-pillow/Pillow/releases/new)
 
 ## Embargoed Release
@@ -88,18 +89,11 @@ Released as needed privately to individual vendors for critical security-related
   ```bash
   git clone https://github.com/python-pillow/pillow-wheels
   cd pillow-wheels
-  git submodule init
+  ./update-pillow-tag.sh [[release tag]]
-  git submodule update Pillow
-  cd Pillow
-  git fetch --all
-  git checkout [[release tag]]
-  cd ..
-  git commit -m "Pillow -> 5.2.0" Pillow
-  git push
   ```
 * [ ] Download distributions from the [Pillow Wheel Builder container](http://a365fff413fe338398b6-1c8a9b3114517dc5fe17b7c3f8c63a43.r19.cf2.rackcdn.com/).
   ```bash
-  wget -m -A 'Pillow-<VERSION>*' \
+  wget -m -A 'Pillow-<VERSION>-*' \
   http://a365fff413fe338398b6-1c8a9b3114517dc5fe17b7c3f8c63a43.r19.cf2.rackcdn.com
   ```
 
@@ -109,4 +103,4 @@ Released as needed privately to individual vendors for critical security-related
 
 ## Documentation
 
-* [ ] Make sure the default version for Read the Docs is the latest tagged release e.g. `d2d43879` (5.4.0)
+* [ ] Make sure the [default version for Read the Docs](https://pillow.readthedocs.io/en/stable/) is up-to-date with the release changes

Tests/32bit_segfault_check.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python
 
-from PIL import Image
 import sys
 
+from PIL import Image
 
-if sys.maxsize < 2**32:
+if sys.maxsize < 2 ** 32:
-    im = Image.new('L', (999999, 999999), 0)
+    im = Image.new("L", (999999, 999999), 0)

Tests/README.rst

@@ -4,7 +4,7 @@ Pillow Tests
 Test scripts are named ``test_xxx.py`` and use the ``unittest`` module. A base class and helper functions can be found in ``helper.py``.
 
 Dependencies
------------
+------------
 
 Install::
 

Tests/bench_cffi_access.py

@@ -1,10 +1,11 @@
-from .helper import unittest, PillowTestCase, hopper
+import time
-
+import unittest
-# Not running this test by default. No DOS against Travis CI.
 
 from PIL import PyAccess
 
-import time
+from .helper import PillowTestCase, hopper
+
+# Not running this test by default. No DOS against Travis CI.
 
 
 def iterate_get(size, access):
@@ -26,18 +27,21 @@ def timer(func, label, *args):
     starttime = time.time()
     for x in range(iterations):
         func(*args)
-        if time.time()-starttime > 10:
+        if time.time() - starttime > 10:
-            print("%s: breaking at %s iterations, %.6f per iteration" % (
+            print(
-                label, x+1, (time.time()-starttime)/(x+1.0)))
+                "%s: breaking at %s iterations, %.6f per iteration"
+                % (label, x + 1, (time.time() - starttime) / (x + 1.0))
+            )
             break
-    if x == iterations-1:
+    if x == iterations - 1:
         endtime = time.time()
-        print("%s: %.4f s  %.6f per iteration" % (
+        print(
-            label, endtime-starttime, (endtime-starttime)/(x+1.0)))
+            "%s: %.4f s  %.6f per iteration"
+            % (label, endtime - starttime, (endtime - starttime) / (x + 1.0))
+        )
 
 
 class BenchCffiAccess(PillowTestCase):
-
     def test_direct(self):
         im = hopper()
         im.load()
@@ -48,11 +52,11 @@ class BenchCffiAccess(PillowTestCase):
         self.assertEqual(caccess[(0, 0)], access[(0, 0)])
 
         print("Size: %sx%s" % im.size)
-        timer(iterate_get, 'PyAccess - get', im.size, access)
+        timer(iterate_get, "PyAccess - get", im.size, access)
-        timer(iterate_set, 'PyAccess - set', im.size, access)
+        timer(iterate_set, "PyAccess - set", im.size, access)
-        timer(iterate_get, 'C-api - get', im.size, caccess)
+        timer(iterate_get, "C-api - get", im.size, caccess)
-        timer(iterate_set, 'C-api - set', im.size, caccess)
+        timer(iterate_set, "C-api - set", im.size, caccess)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     unittest.main()

Tests/bench_get.py

@@ -1,7 +1,8 @@
-from . import helper
+import sys
 import timeit
 
-import sys
+from . import helper
+
 sys.path.insert(0, ".")
 
 

Tests/check_fli_overflow.py

@@ -1,6 +1,9 @@
-from .helper import unittest, PillowTestCase
+import unittest
+
 from PIL import Image
 
+from .helper import PillowTestCase
+
 TEST_FILE = "Tests/images/fli_overflow.fli"
 
 
@@ -12,5 +15,5 @@ class TestFliOverflow(PillowTestCase):
         im.load()
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     unittest.main()

Tests/check_icns_dos.py

@@ -1,12 +1,8 @@
 # Tests potential DOS of IcnsImagePlugin with 0 length block.
 # Run from anywhere that PIL is importable.
 
-from PIL import Image
-from PIL._util import py3
 from io import BytesIO
 
-if py3:
+from PIL import Image
-    Image.open(BytesIO(bytes('icns\x00\x00\x00\x10hang\x00\x00\x00\x00',
+
-                             'latin-1')))
+Image.open(BytesIO(b"icns\x00\x00\x00\x10hang\x00\x00\x00\x00"))
-else:
-    Image.open(BytesIO(bytes('icns\x00\x00\x00\x10hang\x00\x00\x00\x00')))

Tests/check_imaging_leaks.py

@@ -1,19 +1,19 @@
 #!/usr/bin/env python
+import unittest
 
-from __future__ import division
-from .helper import unittest, PillowTestCase
-import sys
 from PIL import Image
 
+from .helper import PillowTestCase, is_win32
+
 min_iterations = 100
 max_iterations = 10000
 
 
-@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or macOS")
+@unittest.skipIf(is_win32(), "requires Unix or macOS")
 class TestImagingLeaks(PillowTestCase):
-
     def _get_mem_usage(self):
         from resource import getpagesize, getrusage, RUSAGE_SELF
+
         mem = getrusage(RUSAGE_SELF).ru_maxrss
         return mem * getpagesize() / 1024 / 1024
 
@@ -25,20 +25,22 @@ class TestImagingLeaks(PillowTestCase):
             if i < min_iterations:
                 mem_limit = mem + 1
                 continue
-            msg = 'memory usage limit exceeded after %d iterations' % (i + 1)
+            msg = "memory usage limit exceeded after %d iterations" % (i + 1)
             self.assertLessEqual(mem, mem_limit, msg)
 
     def test_leak_putdata(self):
-        im = Image.new('RGB', (25, 25))
+        im = Image.new("RGB", (25, 25))
-        self._test_leak(min_iterations, max_iterations,
+        self._test_leak(min_iterations, max_iterations, im.putdata, im.getdata())
-                        im.putdata, im.getdata())
 
     def test_leak_getlist(self):
-        im = Image.new('P', (25, 25))
+        im = Image.new("P", (25, 25))
-        self._test_leak(min_iterations, max_iterations,
+        self._test_leak(
+            min_iterations,
+            max_iterations,
             # Pass a new list at each iteration.
-                        lambda: im.point(range(256)))
+            lambda: im.point(range(256)),
+        )
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     unittest.main()

Tests/check_j2k_dos.py

@@ -1,15 +1,8 @@
 # Tests potential DOS of Jpeg2kImagePlugin with 0 length block.
 # Run from anywhere that PIL is importable.
 
-from PIL import Image
-from PIL._util import py3
 from io import BytesIO
 
-if py3:
+from PIL import Image
-    Image.open(BytesIO(bytes(
-        '\x00\x00\x00\x0cjP\x20\x20\x0d\x0a\x87\x0a\x00\x00\x00\x00hang',
-        'latin-1')))
 
-else:
+Image.open(BytesIO(b"\x00\x00\x00\x0cjP\x20\x20\x0d\x0a\x87\x0a\x00\x00\x00\x00hang"))
-    Image.open(BytesIO(bytes(
-        '\x00\x00\x00\x0cjP\x20\x20\x0d\x0a\x87\x0a\x00\x00\x00\x00hang')))

Tests/check_j2k_leaks.py

@@ -1,24 +1,27 @@
-from .helper import unittest, PillowTestCase
+import unittest
-import sys
-from PIL import Image
 from io import BytesIO
 
+from PIL import Image
+
+from .helper import PillowTestCase, is_win32
+
 # Limits for testing the leak
-mem_limit = 1024*1048576
+mem_limit = 1024 * 1048576
-stack_size = 8*1048576
+stack_size = 8 * 1048576
-iterations = int((mem_limit/stack_size)*2)
+iterations = int((mem_limit / stack_size) * 2)
 codecs = dir(Image.core)
 test_file = "Tests/images/rgb_trns_ycbc.jp2"
 
 
-@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or macOS")
+@unittest.skipIf(is_win32(), "requires Unix or macOS")
 class TestJpegLeaks(PillowTestCase):
     def setUp(self):
         if "jpeg2k_encoder" not in codecs or "jpeg2k_decoder" not in codecs:
-            self.skipTest('JPEG 2000 support not available')
+            self.skipTest("JPEG 2000 support not available")
 
     def test_leak_load(self):
         from resource import setrlimit, RLIMIT_AS, RLIMIT_STACK
+
         setrlimit(RLIMIT_STACK, (stack_size, stack_size))
         setrlimit(RLIMIT_AS, (mem_limit, mem_limit))
         for _ in range(iterations):
@@ -27,6 +30,7 @@ class TestJpegLeaks(PillowTestCase):
 
     def test_leak_save(self):
         from resource import setrlimit, RLIMIT_AS, RLIMIT_STACK
+
         setrlimit(RLIMIT_STACK, (stack_size, stack_size))
         setrlimit(RLIMIT_AS, (mem_limit, mem_limit))
         for _ in range(iterations):
@@ -38,5 +42,5 @@ class TestJpegLeaks(PillowTestCase):
                 test_output.read()
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     unittest.main()

Tests/check_j2k_overflow.py

@@ -1,15 +1,18 @@
+import unittest
+
 from PIL import Image
-from .helper import unittest, PillowTestCase
+
+from .helper import PillowTestCase
 
 
 class TestJ2kEncodeOverflow(PillowTestCase):
     def test_j2k_overflow(self):
 
-        im = Image.new('RGBA', (1024, 131584))
+        im = Image.new("RGBA", (1024, 131584))
-        target = self.tempfile('temp.jpc')
+        target = self.tempfile("temp.jpc")
         with self.assertRaises(IOError):
             im.save(target)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     unittest.main()

Tests/check_jpeg_leaks.py

@@ -1,6 +1,7 @@
-from .helper import unittest, PillowTestCase, hopper
+import unittest
 from io import BytesIO
-import sys
+
+from .helper import PillowTestCase, hopper, is_win32
 
 iterations = 5000
 
@@ -14,7 +15,7 @@ valgrind --tool=massif python test-installed.py -s -v Tests/check_jpeg_leaks.py
 """
 
 
-@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or macOS")
+@unittest.skipIf(is_win32(), "requires Unix or macOS")
 class TestJpegLeaks(PillowTestCase):
 
     """
@@ -74,9 +75,11 @@ post-patch:
 """
 
     def test_qtables_leak(self):
-        im = hopper('RGB')
+        im = hopper("RGB")
 
-        standard_l_qtable = [int(s) for s in """
+        standard_l_qtable = [
+            int(s)
+            for s in """
             16  11  10  16  24  40  51  61
             12  12  14  19  26  58  60  55
             14  13  16  24  40  57  69  56
@@ -85,9 +88,14 @@ post-patch:
             24  35  55  64  81 104 113  92
             49  64  78  87 103 121 120 101
             72  92  95  98 112 100 103  99
-            """.split(None)]
+            """.split(
+                None
+            )
+        ]
 
-        standard_chrominance_qtable = [int(s) for s in """
+        standard_chrominance_qtable = [
+            int(s)
+            for s in """
             17  18  24  47  99  99  99  99
             18  21  26  66  99  99  99  99
             24  26  56  99  99  99  99  99
@@ -96,10 +104,12 @@ post-patch:
             99  99  99  99  99  99  99  99
             99  99  99  99  99  99  99  99
             99  99  99  99  99  99  99  99
-            """.split(None)]
+            """.split(
+                None
+            )
+        ]
 
-        qtables = [standard_l_qtable,
+        qtables = [standard_l_qtable, standard_chrominance_qtable]
-                   standard_chrominance_qtable]
 
         for _ in range(iterations):
             test_output = BytesIO()
@@ -161,8 +171,8 @@ post patch:
      0                                                                   11.33
 
 """
-        im = hopper('RGB')
+        im = hopper("RGB")
-        exif = b'12345678'*4096
+        exif = b"12345678" * 4096
 
         for _ in range(iterations):
             test_output = BytesIO()
@@ -195,12 +205,12 @@ base case:
    0 +----------------------------------------------------------------------->Gi
      0                                                                   7.882
 """
-        im = hopper('RGB')
+        im = hopper("RGB")
 
         for _ in range(iterations):
             test_output = BytesIO()
             im.save(test_output, "JPEG")
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     unittest.main()

Tests/check_large_memory.py

@@ -1,6 +1,9 @@
 import sys
+import unittest
 
-from .helper import unittest, PillowTestCase
+from PIL import Image
+
+from .helper import PillowTestCase
 
 # This test is not run automatically.
 #
@@ -11,17 +14,21 @@ from .helper import unittest, PillowTestCase
 # Raspberry Pis). It does succeed on a 3gb Ubuntu 12.04x64 VM on Python
 # 2.7 and 3.2.
 
-from PIL import Image
+
+try:
+    import numpy
+except ImportError:
+    numpy = None
+
 YDIM = 32769
 XDIM = 48000
 
 
-@unittest.skipIf(sys.maxsize <= 2**32, "requires 64-bit system")
+@unittest.skipIf(sys.maxsize <= 2 ** 32, "requires 64-bit system")
 class LargeMemoryTest(PillowTestCase):
-
     def _write_png(self, xdim, ydim):
-        f = self.tempfile('temp.png')
+        f = self.tempfile("temp.png")
-        im = Image.new('L', (xdim, ydim), 0)
+        im = Image.new("L", (xdim, ydim), 0)
         im.save(f)
 
     def test_large(self):
@@ -32,6 +39,11 @@ class LargeMemoryTest(PillowTestCase):
         """failed prepatch"""
         self._write_png(XDIM, XDIM)
 
+    @unittest.skipIf(numpy is None, "Numpy is not installed")
+    def test_size_greater_than_int(self):
+        arr = numpy.ndarray(shape=(16394, 16394))
+        Image.fromarray(arr)
 
-if __name__ == '__main__':
+
+if __name__ == "__main__":
     unittest.main()

Tests/check_large_memory_numpy.py

@@ -1,6 +1,9 @@
 import sys
+import unittest
 
-from .helper import unittest, PillowTestCase
+from PIL import Image
+
+from .helper import PillowTestCase
 
 # This test is not run automatically.
 #
@@ -10,7 +13,7 @@ from .helper import unittest, PillowTestCase
 # on any 32-bit machine, as well as any smallish things (like
 # Raspberry Pis).
 
-from PIL import Image
+
 try:
     import numpy as np
 except ImportError:
@@ -20,14 +23,13 @@ YDIM = 32769
 XDIM = 48000
 
 
-@unittest.skipIf(sys.maxsize <= 2**32, "requires 64-bit system")
+@unittest.skipIf(sys.maxsize <= 2 ** 32, "requires 64-bit system")
 class LargeMemoryNumpyTest(PillowTestCase):
-
     def _write_png(self, xdim, ydim):
         dtype = np.uint8
         a = np.zeros((xdim, ydim), dtype=dtype)
-        f = self.tempfile('temp.png')
+        f = self.tempfile("temp.png")
-        im = Image.fromarray(a, 'L')
+        im = Image.fromarray(a, "L")
         im.save(f)
 
     def test_large(self):
@@ -39,5 +41,5 @@ class LargeMemoryNumpyTest(PillowTestCase):
         self._write_png(XDIM, XDIM)
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     unittest.main()

Tests/check_libtiff_segfault.py

@@ -1,6 +1,9 @@
-from .helper import unittest, PillowTestCase
+import unittest
+
 from PIL import Image
 
+from .helper import PillowTestCase
+
 TEST_FILE = "Tests/images/libtiff_segfault.tif"
 
 
@@ -15,5 +18,5 @@ class TestLibtiffSegfault(PillowTestCase):
             im.load()
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     unittest.main()

Tests/check_png_dos.py

@@ -1,7 +1,10 @@
-from .helper import unittest, PillowTestCase
+import unittest
-from PIL import Image, PngImagePlugin, ImageFile
-from io import BytesIO
 import zlib
+from io import BytesIO
+
+from PIL import Image, ImageFile, PngImagePlugin
+
+from .helper import PillowTestCase
 
 TEST_FILE = "Tests/images/png_decompression_dos.png"
 
@@ -17,10 +20,10 @@ class TestPngDos(PillowTestCase):
             ImageFile.LOAD_TRUNCATED_IMAGES = False
 
         for s in im.text.values():
-            self.assertLess(len(s), 1024*1024, "Text chunk larger than 1M")
+            self.assertLess(len(s), 1024 * 1024, "Text chunk larger than 1M")
 
         for s in im.info.values():
-            self.assertLess(len(s), 1024*1024, "Text chunk larger than 1M")
+            self.assertLess(len(s), 1024 * 1024, "Text chunk larger than 1M")
 
     def test_dos_text(self):
 
@@ -32,20 +35,20 @@ class TestPngDos(PillowTestCase):
             return
 
         for s in im.text.values():
-            self.assertLess(len(s), 1024*1024, "Text chunk larger than 1M")
+            self.assertLess(len(s), 1024 * 1024, "Text chunk larger than 1M")
 
     def test_dos_total_memory(self):
-        im = Image.new('L', (1, 1))
+        im = Image.new("L", (1, 1))
-        compressed_data = zlib.compress(b'a'*1024*1023)
+        compressed_data = zlib.compress(b"a" * 1024 * 1023)
 
         info = PngImagePlugin.PngInfo()
 
         for x in range(64):
-            info.add_text('t%s' % x, compressed_data, zip=True)
+            info.add_text("t%s" % x, compressed_data, zip=True)
-            info.add_itxt('i%s' % x, compressed_data, zip=True)
+            info.add_itxt("i%s" % x, compressed_data, zip=True)
 
         b = BytesIO()
-        im.save(b, 'PNG', pnginfo=info)
+        im.save(b, "PNG", pnginfo=info)
         b.seek(0)
 
         try:
@@ -57,9 +60,10 @@ class TestPngDos(PillowTestCase):
         total_len = 0
         for txt in im2.text.values():
             total_len += len(txt)
-        self.assertLess(total_len, 64*1024*1024,
+        self.assertLess(
-                        "Total text chunks greater than 64M")
+            total_len, 64 * 1024 * 1024, "Total text chunks greater than 64M"
+        )
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     unittest.main()

Tests/conftest.py

@@ -0,0 +1,11 @@
+def pytest_report_header(config):
+    import io
+
+    try:
+        from PIL import features
+
+        with io.StringIO() as out:
+            features.pilinfo(out=out, supported_formats=False)
+            return out.getvalue()
+    except Exception as e:
+        return "pytest_report_header failed: %s" % str(e)

Tests/createfontdatachunk.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-from __future__ import print_function
 import base64
 import os
 

Tests/fonts/LICENSE.txt

@@ -1,13 +1,13 @@
 
-NotoNastaliqUrdu-Regular.ttf:
+NotoNastaliqUrdu-Regular.ttf and NotoSansSymbols-Regular.ttf, from https://github.com/googlei18n/noto-fonts
+NotoSansJP-Thin.otf, from https://www.google.com/get/noto/help/cjk/
+AdobeVFPrototype.ttf, from https://github.com/adobe-fonts/adobe-variable-font-prototype
+TINY5x3GX.ttf, from http://velvetyne.fr/fonts/tiny
+ArefRuqaa-Regular.ttf, from https://github.com/google/fonts/tree/master/ofl/arefruqaa
 
-(from https://github.com/googlei18n/noto-fonts)
+All of the above fonts are published under the SIL Open Font License (OFL) v1.1 (http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=OFL), which allows you to copy, modify, and redistribute them if you need to.
-
-All Noto fonts are published under the SIL Open Font License (OFL) v1.1 (http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=OFL), which allows you to copy, modify, and redistribute them if you need to.
 
 
-10x20-ISO8859-1.pcf
+10x20-ISO8859-1.pcf, from https://packages.ubuntu.com/xenial/xfonts-base
-
-(from https://packages.ubuntu.com/xenial/xfonts-base)
 
 "Public domain font.  Share and enjoy."

Tests/helper.py

@@ -1,33 +1,51 @@
 """
 Helper functions.
 """
-from __future__ import print_function
-import sys
-import tempfile
-import os
-import unittest
-
-from PIL import Image, ImageMath
-from PIL._util import py3
 
 import logging
+import os
+import subprocess
+import sys
+import tempfile
+import unittest
+from io import BytesIO
+
+from PIL import Image, ImageMath
+
 logger = logging.getLogger(__name__)
 
 
 HAS_UPLOADER = False
 
-if os.environ.get('SHOW_ERRORS', None):
+if os.environ.get("SHOW_ERRORS", None):
     # local img.show for errors.
     HAS_UPLOADER = True
 
     class test_image_results:
-        @classmethod
+        @staticmethod
-        def upload(self, a, b):
+        def upload(a, b):
             a.show()
             b.show()
+
+
+elif "GITHUB_ACTIONS" in os.environ:
+    HAS_UPLOADER = True
+
+    class test_image_results:
+        @staticmethod
+        def upload(a, b):
+            dir_errors = os.path.join(os.path.dirname(__file__), "errors")
+            os.makedirs(dir_errors, exist_ok=True)
+            tmpdir = tempfile.mkdtemp(dir=dir_errors)
+            a.save(os.path.join(tmpdir, "a.png"))
+            b.save(os.path.join(tmpdir, "b.png"))
+            return tmpdir
+
+
 else:
     try:
         import test_image_results
+
         HAS_UPLOADER = True
     except ImportError:
         pass
@@ -35,72 +53,60 @@ else:
 
 def convert_to_comparable(a, b):
     new_a, new_b = a, b
-    if a.mode == 'P':
+    if a.mode == "P":
-        new_a = Image.new('L', a.size)
+        new_a = Image.new("L", a.size)
-        new_b = Image.new('L', b.size)
+        new_b = Image.new("L", b.size)
         new_a.putdata(a.getdata())
         new_b.putdata(b.getdata())
-    elif a.mode == 'I;16':
+    elif a.mode == "I;16":
-        new_a = a.convert('I')
+        new_a = a.convert("I")
-        new_b = b.convert('I')
+        new_b = b.convert("I")
     return new_a, new_b
 
 
 class PillowTestCase(unittest.TestCase):
-
-    def __init__(self, *args, **kwargs):
-        unittest.TestCase.__init__(self, *args, **kwargs)
-        # holds last result object passed to run method:
-        self.currentResult = None
-
-    def run(self, result=None):
-        self.currentResult = result  # remember result for use later
-        unittest.TestCase.run(self, result)  # call superclass run method
-
     def delete_tempfile(self, path):
-        try:
-            ok = self.currentResult.wasSuccessful()
-        except AttributeError:  # for pytest
-            ok = True
-
-        if ok:
-            # only clean out tempfiles if test passed
         try:
             os.remove(path)
         except OSError:
             pass  # report?
-        else:
-            print("=== orphaned temp file: %s" % path)
 
     def assert_deep_equal(self, a, b, msg=None):
         try:
             self.assertEqual(
-                len(a), len(b),
+                len(a),
-                msg or "got length %s, expected %s" % (len(a), len(b)))
+                len(b),
+                msg or "got length {}, expected {}".format(len(a), len(b)),
+            )
             self.assertTrue(
                 all(x == y for x, y in zip(a, b)),
-                msg or "got %s, expected %s" % (a, b))
+                msg or "got {}, expected {}".format(a, b),
+            )
         except Exception:
             self.assertEqual(a, b, msg)
 
     def assert_image(self, im, mode, size, msg=None):
         if mode is not None:
             self.assertEqual(
-                im.mode, mode,
+                im.mode,
-                msg or "got mode %r, expected %r" % (im.mode, mode))
+                mode,
+                msg or "got mode {!r}, expected {!r}".format(im.mode, mode),
+            )
 
         if size is not None:
             self.assertEqual(
-                im.size, size,
+                im.size,
-                msg or "got size %r, expected %r" % (im.size, size))
+                size,
+                msg or "got size {!r}, expected {!r}".format(im.size, size),
+            )
 
     def assert_image_equal(self, a, b, msg=None):
         self.assertEqual(
-            a.mode, b.mode,
+            a.mode, b.mode, msg or "got mode {!r}, expected {!r}".format(a.mode, b.mode)
-            msg or "got mode %r, expected %r" % (a.mode, b.mode))
+        )
         self.assertEqual(
-            a.size, b.size,
+            a.size, b.size, msg or "got size {!r}, expected {!r}".format(a.size, b.size)
-            msg or "got size %r, expected %r" % (a.size, b.size))
+        )
         if a.tobytes() != b.tobytes():
             if HAS_UPLOADER:
                 try:
@@ -120,26 +126,28 @@ class PillowTestCase(unittest.TestCase):
     def assert_image_similar(self, a, b, epsilon, msg=None):
         epsilon = float(epsilon)
         self.assertEqual(
-            a.mode, b.mode,
+            a.mode, b.mode, msg or "got mode {!r}, expected {!r}".format(a.mode, b.mode)
-            msg or "got mode %r, expected %r" % (a.mode, b.mode))
+        )
         self.assertEqual(
-            a.size, b.size,
+            a.size, b.size, msg or "got size {!r}, expected {!r}".format(a.size, b.size)
-            msg or "got size %r, expected %r" % (a.size, b.size))
+        )
 
         a, b = convert_to_comparable(a, b)
 
         diff = 0
         for ach, bch in zip(a.split(), b.split()):
-            chdiff = ImageMath.eval("abs(a - b)", a=ach, b=bch).convert('L')
+            chdiff = ImageMath.eval("abs(a - b)", a=ach, b=bch).convert("L")
             diff += sum(i * num for i, num in enumerate(chdiff.histogram()))
 
-        ave_diff = float(diff)/(a.size[0]*a.size[1])
+        ave_diff = float(diff) / (a.size[0] * a.size[1])
         try:
             self.assertGreaterEqual(
-                epsilon, ave_diff,
+                epsilon,
-                (msg or '') +
+                ave_diff,
-                " average pixel value difference %.4f > epsilon %.4f" % (
+                (msg or "")
-                    ave_diff, epsilon))
+                + " average pixel value difference %.4f > epsilon %.4f"
+                % (ave_diff, epsilon),
+            )
         except Exception as e:
             if HAS_UPLOADER:
                 try:
@@ -149,8 +157,7 @@ class PillowTestCase(unittest.TestCase):
                     pass
             raise e
 
-    def assert_image_similar_tofile(self, a, filename, epsilon, msg=None,
+    def assert_image_similar_tofile(self, a, filename, epsilon, msg=None, mode=None):
-                                    mode=None):
         with Image.open(filename) as img:
             if mode:
                 img = img.convert(mode)
@@ -168,9 +175,9 @@ class PillowTestCase(unittest.TestCase):
 
             # Verify some things.
             if warn_class is None:
-                self.assertEqual(len(w), 0,
+                self.assertEqual(
-                                 "Expected no warnings, got %s" %
+                    len(w), 0, "Expected no warnings, got %s" % [v.category for v in w]
-                                 [v.category for v in w])
+                )
             else:
                 self.assertGreaterEqual(len(w), 1)
                 found = False
@@ -192,28 +199,16 @@ class PillowTestCase(unittest.TestCase):
 
         value = True
         for i, target in enumerate(targets):
-            value *= (target - threshold <= actuals[i] <= target + threshold)
+            value *= target - threshold <= actuals[i] <= target + threshold
 
-        self.assertTrue(value,
+        self.assertTrue(value, msg + ": " + repr(actuals) + " != " + repr(targets))
-                        msg + ': ' + repr(actuals) + ' != ' + repr(targets))
 
-    def skipKnownBadTest(self, msg=None, platform=None,
+    def skipKnownBadTest(self, msg=None):
-                         travis=None, interpreter=None):
+        # Skip if PILLOW_RUN_KNOWN_BAD is not true in the environment.
-        # Skip if platform/travis matches, and
+        if os.environ.get("PILLOW_RUN_KNOWN_BAD", False):
-        # PILLOW_RUN_KNOWN_BAD is not true in the environment.
+            print(os.environ.get("PILLOW_RUN_KNOWN_BAD", False))
-        if os.environ.get('PILLOW_RUN_KNOWN_BAD', False):
-            print(os.environ.get('PILLOW_RUN_KNOWN_BAD', False))
             return
 
-        skip = True
-        if platform is not None:
-            skip = sys.platform.startswith(platform)
-        if travis is not None:
-            skip = skip and (travis == bool(os.environ.get('TRAVIS', False)))
-        if interpreter is not None:
-            skip = skip and (interpreter == 'pypy' and
-                             hasattr(sys, 'pypy_version_info'))
-        if skip:
         self.skipTest(msg or "Known Bad Test")
 
     def tempfile(self, template):
@@ -226,15 +221,15 @@ class PillowTestCase(unittest.TestCase):
 
     def open_withImagemagick(self, f):
         if not imagemagick_available():
-            raise IOError()
+            raise OSError()
 
         outfile = self.tempfile("temp.png")
         if command_succeeds([IMCONVERT, f, outfile]):
             return Image.open(outfile)
-        raise IOError()
+        raise OSError()
 
 
-@unittest.skipIf(sys.platform.startswith('win32'), "requires Unix or macOS")
+@unittest.skipIf(sys.platform.startswith("win32"), "requires Unix or macOS")
 class PillowLeakTestCase(PillowTestCase):
     # requires unix/macOS
     iterations = 100  # count
@@ -249,8 +244,9 @@ class PillowLeakTestCase(PillowTestCase):
         """
 
         from resource import getrusage, RUSAGE_SELF
+
         mem = getrusage(RUSAGE_SELF).ru_maxrss
-        if sys.platform == 'darwin':
+        if sys.platform == "darwin":
             # man 2 getrusage:
             #     ru_maxrss
             # This is the maximum resident set size utilized (in bytes).
@@ -266,26 +262,19 @@ class PillowLeakTestCase(PillowTestCase):
         start_mem = self._get_mem_usage()
         for cycle in range(self.iterations):
             core()
-            mem = (self._get_mem_usage() - start_mem)
+            mem = self._get_mem_usage() - start_mem
-            msg = 'memory usage limit exceeded in iteration %d' % cycle
+            msg = "memory usage limit exceeded in iteration %d" % cycle
             self.assertLess(mem, self.mem_limit, msg)
 
 
 # helpers
 
-if not py3:
-    # Remove DeprecationWarning in Python 3
-    PillowTestCase.assertRaisesRegex = PillowTestCase.assertRaisesRegexp
-    PillowTestCase.assertRegex = PillowTestCase.assertRegexpMatches
-
 
 def fromstring(data):
-    from io import BytesIO
     return Image.open(BytesIO(data))
 
 
 def tostring(im, string_format, **options):
-    from io import BytesIO
     out = BytesIO()
     im.save(out, string_format, **options)
     return out.getvalue()
@@ -317,53 +306,73 @@ def command_succeeds(cmd):
     Runs the command, which must be a list of strings. Returns True if the
     command succeeds, or False if an OSError was raised by subprocess.Popen.
     """
-    import subprocess
-    with open(os.devnull, 'wb') as f:
     try:
-            subprocess.call(cmd, stdout=f, stderr=subprocess.STDOUT)
+        subprocess.call(cmd, stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
     except OSError:
         return False
     return True
 
 
 def djpeg_available():
-    return command_succeeds(['djpeg', '-version'])
+    return command_succeeds(["djpeg", "-version"])
 
 
 def cjpeg_available():
-    return command_succeeds(['cjpeg', '-version'])
+    return command_succeeds(["cjpeg", "-version"])
 
 
 def netpbm_available():
-    return (command_succeeds(["ppmquant", "--version"]) and
+    return command_succeeds(["ppmquant", "--version"]) and command_succeeds(
-            command_succeeds(["ppmtogif", "--version"]))
+        ["ppmtogif", "--version"]
+    )
 
 
 def imagemagick_available():
-    return IMCONVERT and command_succeeds([IMCONVERT, '-version'])
+    return IMCONVERT and command_succeeds([IMCONVERT, "-version"])
 
 
 def on_appveyor():
-    return 'APPVEYOR' in os.environ
+    return "APPVEYOR" in os.environ
 
 
-if sys.platform == 'win32':
+def on_github_actions():
-    IMCONVERT = os.environ.get('MAGICK_HOME', '')
+    return "GITHUB_ACTIONS" in os.environ
+
+
+def on_ci():
+    # Travis and AppVeyor have "CI"
+    # Azure Pipelines has "TF_BUILD"
+    # GitHub Actions has "GITHUB_ACTIONS"
+    return (
+        "CI" in os.environ or "TF_BUILD" in os.environ or "GITHUB_ACTIONS" in os.environ
+    )
+
+
+def is_win32():
+    return sys.platform.startswith("win32")
+
+
+def is_pypy():
+    return hasattr(sys, "pypy_translation_info")
+
+
+if sys.platform == "win32":
+    IMCONVERT = os.environ.get("MAGICK_HOME", "")
     if IMCONVERT:
-        IMCONVERT = os.path.join(IMCONVERT, 'convert.exe')
+        IMCONVERT = os.path.join(IMCONVERT, "convert.exe")
 else:
-    IMCONVERT = 'convert'
+    IMCONVERT = "convert"
 
 
 def distro():
-    if os.path.exists('/etc/os-release'):
+    if os.path.exists("/etc/os-release"):
-        with open('/etc/os-release', 'r') as f:
+        with open("/etc/os-release", "r") as f:
             for line in f:
-                if 'ID=' in line:
+                if "ID=" in line:
-                    return line.strip().split('=')[1]
+                    return line.strip().split("=")[1]
 
 
-class cached_property(object):
+class cached_property:
     def __init__(self, func):
         self.func = func