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<#
.SYNOPSIS
Freeze the MeshBay node daemon into a relocatable Windows binary.
.DESCRIPTION
Produces packages/meshbay-client/node-runtime/meshbay-node.exe (+ its
onedir payload) with PyInstaller. electron-builder then carries that tree
into the NSIS installer as an extraResource (see package.json build.win).
The frozen binary is what the desktop client spawns and what the W3
autostart launcher points at, so it must be a genuine single .exe -- which
is why this uses PyInstaller and not the python-embed zip (whose pip
console-script wrapper bakes in an absolute interpreter path and does not
survive being installed somewhere else).
ffmpeg/ffprobe are NOT bundled by default. Pass -FfmpegDir (or set
MESHBAY_FFMPEG_DIR) to copy them in beside the daemon; otherwise the node
resolves them from PATH at startup (meshbay_node.platform.check_media_tools)
and streaming needs ffmpeg installed separately.
.PARAMETER Python
Interpreter used to build. Must be 3.12+ and able to install the packages.
Default: a throwaway venv this script creates under build/_node-build-venv.
.PARAMETER FfmpegDir
Directory containing ffmpeg.exe and ffprobe.exe to bundle. Optional.
.PARAMETER KeepBuildVenv
Do not delete the throwaway build venv on success (faster re-runs).
#>
[CmdletBinding()]
param(
[string]$Python = "",
[string]$FfmpegDir = $env:MESHBAY_FFMPEG_DIR,
[switch]$KeepBuildVenv
)
$ErrorActionPreference = "Stop"
Set-StrictMode -Version Latest
$WinDir = $PSScriptRoot
$Repo = (Resolve-Path (Join-Path $WinDir "..\..")).Path
$Client = Join-Path $Repo "packages\meshbay-client"
$OutDir = Join-Path $Client "node-runtime"
$BuildVenv = Join-Path $Client "build\_node-build-venv"
$SpecFile = Join-Path $WinDir "meshbay-node.spec"
function Step($msg) { Write-Host "==> $msg" -ForegroundColor Cyan }
# --- 1. interpreter --------------------------------------------------------
$createdVenv = $false
if (-not $Python) {
Step "creating build venv ($BuildVenv)"
if (Get-Command py -ErrorAction SilentlyContinue) {
& py -3.12 -m venv --clear $BuildVenv
} else {
& python -m venv --clear $BuildVenv
}
if ($LASTEXITCODE -ne 0) { throw "venv creation failed" }
$Python = Join-Path $BuildVenv "Scripts\python.exe"
$createdVenv = $true
}
if (-not (Test-Path $Python)) { throw "Python not found: $Python" }
$verOut = (& $Python -c "import sys; print(sys.version_info[0]); print(sys.version_info[1])")
$verMajor = [int]$verOut[0]
$verMinor = [int]$verOut[1]
if ($verMajor -lt 3 -or ($verMajor -eq 3 -and $verMinor -lt 12)) {
throw "need Python 3.12 or newer, got $verMajor.$verMinor"
}
Step "python $verMajor.$verMinor ($Python)"
# --- 2. dependencies -----------------------------------------------------
Step "installing meshbay-common, meshbay-node and PyInstaller"
& $Python -m pip install --upgrade pip --quiet
& $Python -m pip install --quiet `
(Join-Path $Repo "packages\meshbay-common") `
(Join-Path $Repo "packages\meshbay-node") `
"pyinstaller>=6.10" `
"tzdata"
# tzdata: Windows ships no IANA zone database, so zoneinfo (pulled in
# transitively) has nothing to read without it. PyInstaller warns
# 'Hidden import "tzdata" not found' when it is absent.
if ($LASTEXITCODE -ne 0) { throw "pip install failed" }
# --- 3. freeze --------------------------------------------------------
if (Test-Path $OutDir) { Remove-Item -Recurse -Force $OutDir }
$pyiWork = Join-Path $Client "build\_pyinstaller"
$pyiDist = Join-Path $Client "build\_pyinstaller-dist"
Step "running PyInstaller (this takes a few minutes)"
Push-Location $WinDir
try {
& $Python -m PyInstaller --noconfirm --clean `
--workpath $pyiWork --distpath $pyiDist `
$SpecFile
if ($LASTEXITCODE -ne 0) { throw "PyInstaller failed" }
}
finally {
Pop-Location
}
$frozen = Join-Path $pyiDist "meshbay-node"
if (-not (Test-Path (Join-Path $frozen "meshbay-node.exe"))) {
throw "PyInstaller did not produce meshbay-node.exe at $frozen"
}
# --- 4. optional ffmpeg ----------------------------------------------
if ($FfmpegDir) {
foreach ($tool in @("ffmpeg.exe", "ffprobe.exe")) {
$src = Join-Path $FfmpegDir $tool
if (-not (Test-Path $src)) { throw "$tool not found in $FfmpegDir" }
Copy-Item $src (Join-Path $frozen $tool)
Step "bundled $tool"
}
}
else {
Write-Host " ffmpeg not bundled -- the node will look for it on PATH" -ForegroundColor Yellow
}
# --- 5. publish ----------------------------------------------------
Move-Item $frozen $OutDir
Remove-Item -Recurse -Force $pyiWork, $pyiDist -ErrorAction SilentlyContinue
if ($createdVenv -and -not $KeepBuildVenv) {
Remove-Item -Recurse -Force $BuildVenv -ErrorAction SilentlyContinue
}
# --- 6. smoke test -----------------------------------------------
# Capture, do NOT pipe to Select-Object -First: that stops the native process
# mid-write and reports a spurious non-zero exit.
Step "smoke test: meshbay-node --help"
$exe = Join-Path $OutDir "meshbay-node.exe"
$help = & $exe --help 2>&1
if ($LASTEXITCODE -ne 0) { throw "frozen meshbay-node --help exited $LASTEXITCODE" }
if ($help -notmatch "meshbay-node") { throw "frozen --help output looks wrong" }
$mb = (Get-ChildItem $OutDir -Recurse | Measure-Object Length -Sum).Sum / 1MB
Write-Host ""
Write-Host ("OK node-runtime ready at {0} ({1:N0} MB)" -f $OutDir, $mb) -ForegroundColor Green
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