Build and test windows wheels

Closes aleaxit#468

Author: skirpichev

.github/workflows/build_wheels.yml

@@ -8,24 +8,39 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-22.04, macos-12, macos-14]
+        os: [ubuntu-22.04, macos-12, macos-14, windows-2022]
     steps:
       - uses: actions/checkout@v4
       - if: runner.os == 'macOS'
         run: brew install pipx
+      - uses: msys2/setup-msys2@v2
+        name: Setup msys2
+        with:
+          install: >-
+            mingw-w64-ucrt-x86_64-gcc
+            autotools
+          msystem: ucrt64
+          path-type: inherit
+        if: ${{ matrix.os == 'windows-2022' }}
       - name: Build wheels
         uses: pypa/[email protected]
         env:
           CIBW_PRERELEASE_PYTHONS: True
-          CIBW_SKIP: pp*
-          CIBW_BEFORE_BUILD: bash scripts/cibw_before_all.sh
+          CIBW_SKIP: pp* *-win32
+          CIBW_BEFORE_ALL: bash scripts/cibw_before_all.sh
+          CIBW_BEFORE_ALL_WINDOWS: >
+            msys2 -c scripts/cibw_before_all.sh &&
+            scripts\cibw_before_all_windows.bat
+          CIBW_BEFORE_BUILD_WINDOWS: pip install delvewheel
           CIBW_TEST_EXTRAS: tests
           CIBW_TEST_SKIP: cp38-macosx_arm64
           CIBW_TEST_COMMAND: >
             pytest {package}/test/ &&
             python {package}/test_cython/runtests.py
           CIBW_REPAIR_WHEEL_COMMAND: >
             bash scripts/cibw_repair_wheel_command.sh {dest_dir} {wheel}
+          CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: >
+           scripts\cibw_repair_wheel_command_windows.bat {dest_dir} {wheel}
       - uses: actions/upload-artifact@v4
         with:
           name: wheels-${{ matrix.os }}

scripts/cibw_before_all_windows.bat

@@ -0,0 +1,9 @@
+@echo on
+cd .local\bin
+set "PATH=C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Tools\MSVC\14.38.33130\bin\HostX86\x64\"
+call D:\a\gmpy\gmpy\scripts\dll2lib.bat 64 libgmp-10.dll
+call D:\a\gmpy\gmpy\scripts\dll2lib.bat 64 libmpfr-6.dll
+call D:\a\gmpy\gmpy\scripts\dll2lib.bat 64 libmpc-3.dll
+ren libgmp-10.lib gmp.lib
+ren libmpfr-6.lib mpfr.lib
+ren libmpc-3.lib mpc.lib

scripts/cibw_repair_wheel_command_windows.bat

@@ -0,0 +1,4 @@
+set WHEELHOUSE=%1
+set WHEELNAME=%2
+
+msys2 -c scripts/cibw_repair_wheel_command_windows.sh

scripts/cibw_repair_wheel_command_windows.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -e -x
+
+wheel=$WHEELNAME
+dest_dir=$WHEELHOUSE
+
+delvewheel repair ${wheel} -w ${dest_dir} --add-path .local/bin --no-mangle-all
+
+cp .local/bin/{gmp,mpfr,mpc}.lib ${dest_dir}
+(cd ${dest_dir}; wheel unpack --dest . gmpy2-*.whl; mv *.lib gmpy2-*/gmpy2.libs; wheel pack gmpy2-*[0-9]; rm -rf gmpy2-*[0-9])

scripts/dll2lib.bat

@@ -0,0 +1,35 @@
+echo "dll2lib"
+@echo off
+
+REM From https://github.com/GBillotey/Fractalshades/blob/master/win_build/dll2lib.bat
+
+REM Usage: dll2lib [32|64] some-file.dll
+REM
+REM Generates some-file.lib from some-file.dll, making an intermediate
+REM some-file.def from the results of dumpbin /exports some-file.dll.
+REM
+REM Requires 'dumpbin' and 'lib' in PATH - run from VS developer prompt.
+REM
+REM Script inspired by http://stackoverflow.com/questions/9946322/how-to-generate-an-import-library-lib-file-from-a-dll
+REM See also https://gist.github.com/Trass3r/8d0232a66b098530d07b0e48df6ad5ef
+
+SETLOCAL
+if "%1"=="32" (set machine=x86) else (set machine=x64)
+cd %~p2
+set dll_file=%~f2
+set dll_file_no_ext=%~n2
+set exports_file=%dll_file_no_ext%-exports.txt
+set def_file=%dll_file_no_ext%.def
+set lib_file=%dll_file_no_ext%.lib
+set lib_name=%dll_file_no_ext%
+
+dumpbin /exports %dll_file% > %exports_file%
+
+echo LIBRARY %lib_name% > %def_file%
+echo EXPORTS >> %def_file%
+for /f "skip=19 tokens=1,4" %%A in (%exports_file%) do if NOT "%%B" == "" (echo %%B @%%A >> %def_file%)
+
+lib /def:%def_file% /out:%lib_file% /machine:%machine%
+
+REM Clean up temporary intermediate files
+del %exports_file% %def_file% %dll_file_no_ext%.exp

test_cython/setup_cython.py

@@ -9,14 +9,13 @@
 library_dirs = sys.path + [gmpy2_packagedir]
 libnames = ['mpc','mpfr','gmp']
 
-if platform.system() != 'Windows':
-    bundled_libs = gmpy2_packagedir+'/../gmpy2.libs/'
-    if os.path.isdir(bundled_libs):
-        library_dirs += [bundled_libs]
-        if platform.system() == 'Linux':
-            libnames = [':' + d for d in os.listdir(bundled_libs)]
-        else:
-            libnames = [':' + bundled_libs + d for d in os.listdir(bundled_libs)]
+bundled_libs = os.path.join(gmpy2_packagedir, '..', 'gmpy2.libs')
+if os.path.isdir(bundled_libs):
+    library_dirs += [bundled_libs]
+    if platform.system() == 'Linux':
+        libnames = [':' + d for d in os.listdir(bundled_libs)]
+    elif platform.system() == 'Darwin':
+        libnames = [':' + bundled_libs + d for d in os.listdir(bundled_libs)]
 
 
 extensions = [