Add dependencies locally

deps/protobuf/kokoro/release/python/windows/build_artifacts.bat

@@ -0,0 +1,88 @@
+REM Move scripts to root
+set REPO_DIR_STAGE=%cd%\github\protobuf-stage
+xcopy /S  github\protobuf "%REPO_DIR_STAGE%\"
+cd github\protobuf
+copy kokoro\release\python\windows\build_single_artifact.bat build_single_artifact.bat
+
+REM Set environment variables
+set PACKAGE_NAME=protobuf
+set REPO_DIR=protobuf
+set BUILD_DLL=OFF
+set UNICODE=ON
+set OTHER_TEST_DEP="setuptools==38.5.1"
+set OLD_PATH=C:\Program Files (x86)\MSBuild\14.0\bin\;%PATH%
+
+REM Fetch multibuild
+git clone https://github.com/matthew-brett/multibuild.git
+REM Pin multibuild scripts at a known commit to avoid potentially unwanted future changes from
+REM silently creeping in (see https://github.com/protocolbuffers/protobuf/issues/9180).
+REM IMPORTANT: always pin multibuild at the same commit for:
+REM - linux/build_artifacts.sh
+REM - linux/build_artifacts.sh
+REM - windows/build_artifacts.bat
+cd multibuild
+git checkout b89bb903e94308be79abefa4f436bf123ebb1313
+cd ..
+
+REM Install zlib
+mkdir zlib
+curl -L -o zlib.zip http://www.winimage.com/zLibDll/zlib123dll.zip
+curl -L -o zlib-src.zip http://www.winimage.com/zLibDll/zlib123.zip
+7z x zlib.zip -ozlib
+7z x zlib-src.zip -ozlib\include
+SET ZLIB_ROOT=%cd%\zlib
+del /Q zlib.zip
+del /Q zlib-src.zip
+
+REM Create directory for artifacts
+SET ARTIFACT_DIR=%cd%\artifacts
+mkdir %ARTIFACT_DIR%
+
+REM Build wheel
+
+SET PYTHON=C:\python37_32bit
+SET PYTHON_VERSION=3.7
+SET PYTHON_ARCH=32
+CALL build_single_artifact.bat || goto :error
+
+SET PYTHON=C:\python37
+SET PYTHON_VERSION=3.7
+SET PYTHON_ARCH=64
+CALL build_single_artifact.bat || goto :error
+
+powershell -File kokoro/release/python/windows/install_python_interpreters.ps1
+
+SET PYTHON=C:\python38_32bit
+SET PYTHON_VERSION=3.8
+SET PYTHON_ARCH=32
+CALL build_single_artifact.bat || goto :error
+
+SET PYTHON=C:\python38
+SET PYTHON_VERSION=3.8
+SET PYTHON_ARCH=64
+CALL build_single_artifact.bat || goto :error
+
+SET PYTHON=C:\python39_32bit
+SET PYTHON_VERSION=3.9
+SET PYTHON_ARCH=32
+CALL build_single_artifact.bat || goto :error
+
+SET PYTHON=C:\python39
+SET PYTHON_VERSION=3.9
+SET PYTHON_ARCH=64
+CALL build_single_artifact.bat || goto :error
+
+SET PYTHON=C:\python310_32bit
+SET PYTHON_VERSION=3.10
+SET PYTHON_ARCH=32
+CALL build_single_artifact.bat || goto :error
+
+SET PYTHON=C:\python310
+SET PYTHON_VERSION=3.10
+SET PYTHON_ARCH=64
+CALL build_single_artifact.bat || goto :error
+
+goto :EOF
+
+:error
+exit /b %errorlevel%

deps/protobuf/kokoro/release/python/windows/build_single_artifact.bat

@@ -0,0 +1,78 @@
+setlocal
+
+if %PYTHON%==C:\python37_32bit set generator=Visual Studio 14
+if %PYTHON%==C:\python37_32bit set vcplatform=Win32
+
+if %PYTHON%==C:\python37 set generator=Visual Studio 14 Win64
+if %PYTHON%==C:\python37 set vcplatform=x64
+
+if %PYTHON%==C:\python38_32bit set generator=Visual Studio 14
+if %PYTHON%==C:\python38_32bit set vcplatform=Win32
+
+if %PYTHON%==C:\python38 set generator=Visual Studio 14 Win64
+if %PYTHON%==C:\python38 set vcplatform=x64
+
+if %PYTHON%==C:\python39_32bit set generator=Visual Studio 14
+if %PYTHON%==C:\python39_32bit set vcplatform=Win32
+
+if %PYTHON%==C:\python39 set generator=Visual Studio 14 Win64
+if %PYTHON%==C:\python39 set vcplatform=x64
+
+if %PYTHON%==C:\python310_32bit set generator=Visual Studio 14
+if %PYTHON%==C:\python310_32bit set vcplatform=Win32
+
+if %PYTHON%==C:\python310 set generator=Visual Studio 14 Win64
+if %PYTHON%==C:\python310 set vcplatform=x64
+
+REM Prepend newly installed Python to the PATH of this build (this cannot be
+REM done from inside the powershell script as it would require to restart
+REM the parent CMD process).
+SET PATH=C:\Program Files\CMake\bin;%PYTHON%;%PYTHON%\Scripts;%OLD_PATH%
+python -m pip install -U pip
+pip install wheel
+
+REM Check that we have the expected version and architecture for Python
+python --version
+python -c "import struct; print(struct.calcsize('P') * 8)"
+
+rmdir /s/q %REPO_DIR%
+xcopy /s  %REPO_DIR_STAGE% "%REPO_DIR%\"
+
+REM Checkout release commit
+cd %REPO_DIR%
+
+REM ======================
+REM Build Protobuf Library
+REM ======================
+
+mkdir src\.libs
+
+mkdir vcprojects
+pushd vcprojects
+cmake -G "%generator%" -Dprotobuf_BUILD_SHARED_LIBS=%BUILD_DLL% -Dprotobuf_UNICODE=%UNICODE% -Dprotobuf_BUILD_TESTS=OFF ../cmake || goto :error
+msbuild protobuf.sln /p:Platform=%vcplatform% /p:Configuration=Release || goto :error
+dir /s /b
+popd
+copy vcprojects\Release\libprotobuf.lib src\.libs\libprotobuf.a
+copy vcprojects\Release\libprotobuf-lite.lib src\.libs\libprotobuf-lite.a
+SET PATH=%cd%\vcprojects\Release;%PATH%
+dir vcprojects\Release
+
+REM ======================
+REM Build python library
+REM ======================
+
+cd python
+
+REM sed -i 's/\ extra_compile_args\ =\ \[\]/\ extra_compile_args\ =\ \[\'\/MT\'\]/g' setup.py
+
+python setup.py bdist_wheel --cpp_implementation --compile_static_extension
+dir dist
+copy dist\* %ARTIFACT_DIR%
+dir %ARTIFACT_DIR%
+cd ..\..
+
+goto :EOF
+
+:error
+exit /b %errorlevel%

deps/protobuf/kokoro/release/python/windows/continuous.cfg

@@ -0,0 +1,8 @@
+# Configuration for Windows protoc release builds
+build_file: "protobuf/kokoro/release/python/windows/build_artifacts.bat"
+
+action {
+  define_artifacts {
+    regex: "github/protobuf/artifacts/**"
+  }
+}

deps/protobuf/kokoro/release/python/windows/install_python_interpreters.ps1

@@ -0,0 +1,114 @@
+#!/usr/bin/env powershell
+# Install Python 3.8 for x64 and x86 in order to build wheels on Windows.
+# Originally from grpc/tools/internal_ci/helper_scripts/install_python_interpreters.ps1
+
+Set-StrictMode -Version 2
+$ErrorActionPreference = 'Stop'
+
+trap {
+    $ErrorActionPreference = "Continue"
+    Write-Error $_
+    exit 1
+}
+
+# Avoid "Could not create SSL/TLS secure channel"
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+
+function Install-Python {
+    Param(
+        [string]$PythonVersion,
+        [string]$PythonInstaller,
+        [string]$PythonInstallPath,
+        [string]$PythonInstallerHash
+    )
+    $PythonInstallerUrl = "https://www.python.org/ftp/python/$PythonVersion/$PythonInstaller.exe"
+    $PythonInstallerPath = "C:\tools\$PythonInstaller.exe"
+
+    # Downloads installer
+    Write-Host "Downloading the Python installer: $PythonInstallerUrl => $PythonInstallerPath"
+    Invoke-WebRequest -Uri $PythonInstallerUrl -OutFile $PythonInstallerPath
+
+    # Validates checksum
+    $HashFromDownload = Get-FileHash -Path $PythonInstallerPath -Algorithm MD5
+    if ($HashFromDownload.Hash -ne $PythonInstallerHash) {
+        throw "Invalid Python installer: failed checksum!"
+    }
+    Write-Host "Python installer $PythonInstallerPath validated."
+
+    # Installs Python
+    & $PythonInstallerPath /passive InstallAllUsers=1 PrependPath=1 Include_test=0 TargetDir=$PythonInstallPath
+    if (-Not $?) {
+        throw "The Python installation exited with error!"
+    }
+
+    # NOTE(lidiz) Even if the install command finishes in the script, that
+    # doesn't mean the Python installation is finished. If using "ps" to check
+    # for running processes, you might see ongoing installers at this point.
+    # So, we needs this "hack" to reliably validate that the Python binary is
+    # functioning properly.
+
+    # Wait for the installer process
+    Wait-Process -Name $PythonInstaller -Timeout 300
+    Write-Host "Installation process exits normally."
+
+    # Validate Python binary
+    $PythonBinary = "$PythonInstallPath\python.exe"
+    & $PythonBinary -c 'print(42)'
+    Write-Host "Python binary works properly."
+
+    # Installs pip
+    & $PythonBinary -m ensurepip --user
+
+    Write-Host "Python $PythonVersion installed by $PythonInstaller at $PythonInstallPath."
+}
+
+# Python 3.8
+$Python38x86Config = @{
+    PythonVersion = "3.8.0"
+    PythonInstaller = "python-3.8.0"
+    PythonInstallPath = "C:\python38_32bit"
+    PythonInstallerHash = "412a649d36626d33b8ca5593cf18318c"
+}
+Install-Python @Python38x86Config
+
+$Python38x64Config = @{
+    PythonVersion = "3.8.0"
+    PythonInstaller = "python-3.8.0-amd64"
+    PythonInstallPath = "C:\python38"
+    PythonInstallerHash = "29ea87f24c32f5e924b7d63f8a08ee8d"
+}
+Install-Python @Python38x64Config
+
+# Python 3.9
+$Python39x86Config = @{
+    PythonVersion = "3.9.0"
+    PythonInstaller = "python-3.9.0"
+    PythonInstallPath = "C:\python39_32bit"
+    PythonInstallerHash = "4a2812db8ab9f2e522c96c7728cfcccb"
+}
+Install-Python @Python39x86Config
+
+$Python39x64Config = @{
+    PythonVersion = "3.9.0"
+    PythonInstaller = "python-3.9.0-amd64"
+    PythonInstallPath = "C:\python39"
+    PythonInstallerHash = "b61a33dc28f13b561452f3089c87eb63"
+}
+Install-Python @Python39x64Config
+
+# Python 3.10
+$Python310x86Config = @{
+    PythonVersion = "3.10.0"
+    PythonInstaller = "python-3.10.0"
+    PythonInstallPath = "C:\python310_32bit"
+    PythonInstallerHash = "133aa48145032e341ad2a000cd3bff50"
+}
+Install-Python @Python310x86Config
+
+$Python310x64Config = @{
+    PythonVersion = "3.10.0"
+    PythonInstaller = "python-3.10.0-amd64"
+    PythonInstallPath = "C:\python310"
+    PythonInstallerHash = "c3917c08a7fe85db7203da6dcaa99a70"
+}
+Install-Python @Python310x64Config

deps/protobuf/kokoro/release/python/windows/presubmit.cfg

@@ -0,0 +1,8 @@
+# Configuration for Windows protoc release builds
+build_file: "protobuf/kokoro/release/python/windows/build_artifacts.bat"
+
+action {
+  define_artifacts {
+    regex: "github/protobuf/artifacts/**"
+  }
+}

deps/protobuf/kokoro/release/python/windows/release.cfg

@@ -0,0 +1,8 @@
+# Configuration for Windows protoc release builds
+build_file: "protobuf/kokoro/release/python/windows/build_artifacts.bat"
+
+action {
+  define_artifacts {
+    regex: "github/protobuf/artifacts/**"
+  }
+}