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build.ps1 - Self-contained build script for "Automatic Thresholding"
Reproduces the entire build from scratch on a clean Windows machine:
1. Installs Python 3.10.11 machine-wide (official python.org installer)
2. Installs the pinned Python dependencies + PyInstaller into the
GLOBAL system site-packages (readable by any user)
3. Packages AutomaticThresholding.py into a single-file GUI .exe with
PyInstaller, output to <task-root>\install
The app is a PySide2 (Qt5) desktop GUI. PySide2 5.15.2.1 (and the pinned
numpy/scipy versions) only ship wheels up to CPython 3.10, so a dedicated
Python 3.10 is installed rather than using any newer system Python.
Safe to re-run: each step is idempotent / skips work already done.
#>
$ErrorActionPreference = 'Stop'
# RB unified-0827: build_result.json is portable on OSS; materialize its path for this VM run.
$__rbBuildResultPath = Join-Path $PSScriptRoot 'build_result.json'
if (Test-Path $__rbBuildResultPath) {
$__rbBuildResult = Get-Content $__rbBuildResultPath -Raw -Encoding UTF8 | ConvertFrom-Json
if ($__rbBuildResult.executable -and -not [System.IO.Path]::IsPathRooted([string]$__rbBuildResult.executable)) {
$__rbBuildResult.executable = [System.IO.Path]::GetFullPath((Join-Path $PSScriptRoot ([string]$__rbBuildResult.executable)))
$__rbBuildResult | ConvertTo-Json -Depth 10 | Set-Content $__rbBuildResultPath -Encoding UTF8
}
}
Set-StrictMode -Version Latest
# ---------------------------------------------------------------------------
# Paths
# ---------------------------------------------------------------------------
$RepoDir = (Join-Path (Split-Path $PSScriptRoot -Parent) 'repo')
$InstallDir = (Join-Path (Split-Path $PSScriptRoot -Parent) 'install')
$BuildDir = (Join-Path (Split-Path $PSScriptRoot -Parent) 'build')
$DownloadDir = (Join-Path (Split-Path $PSScriptRoot -Parent) 'downloads')
$PyHome = 'C:\Python310'
$PyExe = Join-Path $PyHome 'python.exe'
$AppScript = Join-Path $RepoDir 'AutomaticThresholding.py'
$IconFile = Join-Path $RepoDir 'icon.ico'
$AppName = 'AutomaticThresholding'
$PyVersion = '3.10.11'
$PyInstaller = "python-$PyVersion-amd64.exe"
$PyUrl = "https://www.python.org/ftp/python/$PyVersion/$PyInstaller"
Write-Host "==> Automatic Thresholding build starting"
New-Item -ItemType Directory -Force -Path $InstallDir | Out-Null
New-Item -ItemType Directory -Force -Path $BuildDir | Out-Null
New-Item -ItemType Directory -Force -Path $DownloadDir | Out-Null
# ---------------------------------------------------------------------------
# 1. Install Python 3.10.11 machine-wide (if not already present)
# ---------------------------------------------------------------------------
if (Test-Path $PyExe) {
Write-Host "==> Python already present at $PyExe"
} else {
Write-Host "==> Downloading Python $PyVersion ..."
$installerPath = Join-Path $DownloadDir $PyInstaller
if (-not (Test-Path $installerPath)) {
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
Invoke-WebRequest -Uri $PyUrl -OutFile $installerPath -UseBasicParsing
}
Write-Host "==> Installing Python $PyVersion machine-wide to $PyHome ..."
# NOTE: The python.org bundle is a WiX "burn" bootstrapper. Launching it
# directly from a non-interactive shell can hang before it spawns its
# child MSIs. Running it through Start-Process -Wait launches the process
# tree correctly and blocks until every MSI finishes.
$pyArgs = @(
'/quiet',
'InstallAllUsers=1', # machine-wide -> global site-packages
"TargetDir=$PyHome",
'PrependPath=0',
'Include_pip=1',
'Include_test=0',
'Include_launcher=0',
'Shortcuts=0'
)
$proc = Start-Process -FilePath $installerPath -ArgumentList $pyArgs -Wait -PassThru
if ($proc.ExitCode -ne 0) {
throw "Python installer failed with exit code $($proc.ExitCode)"
}
if (-not (Test-Path $PyExe)) {
throw "Python installation did not produce $PyExe"
}
Write-Host "==> Python installed."
}
& $PyExe --version
# ---------------------------------------------------------------------------
# 2. Install Python dependencies into GLOBAL system site-packages
# (no --user, no venv -> readable by the unprivileged recreation user)
# ---------------------------------------------------------------------------
Write-Host "==> Upgrading pip ..."
& $PyExe -m pip install --upgrade pip --no-warn-script-location
Write-Host "==> Installing pinned dependencies + PyInstaller ..."
$deps = @(
'numpy==1.23.4',
'scipy==1.9.3',
'PySide2==5.15.2.1',
'shiboken2==5.15.2.1',
'matplotlib==3.6.2',
'scikit-image==0.19.3',
'Pillow==9.3.0',
'imageio==2.22.4',
'tifffile==2022.10.10',
'PyWavelets==1.4.1',
'networkx==2.8.8',
'contourpy==1.0.6',
'cycler==0.11.0',
'fonttools==4.38.0',
'kiwisolver==1.4.4',
'packaging==21.3',
'pyparsing==3.0.9',
'python-dateutil==2.8.2',
'six==1.16.0',
'pyinstaller'
)
& $PyExe -m pip install --no-warn-script-location @deps
if ($LASTEXITCODE -ne 0) { throw "pip dependency install failed ($LASTEXITCODE)" }
# ---------------------------------------------------------------------------
# 3. Build the single-file GUI executable with PyInstaller
# ---------------------------------------------------------------------------
Write-Host "==> Building $AppName.exe with PyInstaller ..."
$workPath = Join-Path $BuildDir 'pyi_work'
$specPath = $BuildDir
& $PyExe -m PyInstaller `
--noconfirm --clean `
--onefile --noconsole `
--icon $IconFile `
--name $AppName `
--distpath $InstallDir `
--workpath $workPath `
--specpath $specPath `
$AppScript
if ($LASTEXITCODE -ne 0) { throw "PyInstaller build failed ($LASTEXITCODE)" }
$exePath = Join-Path $InstallDir "$AppName.exe"
if (-not (Test-Path $exePath)) {
throw "Build finished but $exePath was not produced"
}
Write-Host "==> BUILD SUCCESS"
Write-Host "==> Executable: $exePath"
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