For more extensive info, see the Windows build instructions.
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See Current Windows Build/Testing process (Pillow#553), Definitive docs for how to compile on Windows (matplotlib#1717), Test Windows with GitHub Actions (Pillow#4084).
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Requires Microsoft Visual Studio 2017 or newer with C++ component.
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Requires NASM for libjpeg-turbo, a required dependency when using this script.
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Requires CMake 3.15 or newer (available as Visual Studio component).
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Tested on Windows Server 2016 with Visual Studio 2017 Community, and Windows Server 2019 with Visual Studio 2022 Community (AppVeyor).
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Tested on Windows Server 2022 with Visual Studio 2022 Enterprise (GitHub Actions).
The following is a simplified version of the script used on AppVeyor:
set PYTHON=C:\Python39\bin
cd /D C:\Pillow\winbuild
%PYTHON%\python.exe build_prepare.py -v --depends=C:\pillow-depends
build\build_dep_all.cmd
cd ..
%PYTHON%\python.exe -m pip install -v -C raqm=vendor -C fribidi=vendor .
path C:\Pillow\winbuild\build\bin;%PATH%
%PYTHON%\python.exe selftest.py
%PYTHON%\python.exe -m pytest -vx --cov PIL --cov Tests --cov-report term --cov-report xml Tests
%PYTHON%\python.exe -m pip wheel -v -C raqm=vendor -C fribidi=vendor .