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[string]$BindHost = "127.0.0.1",
[int]$Port = 7860
)
$ErrorActionPreference = "Stop"
$Root = Resolve-Path "$PSScriptRoot/.."
Set-Location $Root
# ---------------------------------------------------------------------------
# Prereq check + optional winget install
# ---------------------------------------------------------------------------
function Test-Py311 {
$py = Get-Command py -ErrorAction SilentlyContinue
if (-not $py) { return $false }
$listing = (& py -0 2>&1 | Out-String)
return ($listing -match "3\.11")
}
function Test-Node {
return [bool] (Get-Command npm -ErrorAction SilentlyContinue)
}
function Install-WithWinget($name, $id) {
$w = Get-Command winget -ErrorAction SilentlyContinue
if (-not $w) {
Write-Host ""
Write-Host "$name not found, and 'winget' is not available on this system."
Write-Host "Install $name manually, then re-run scripts\start.bat."
if ($name -eq "Python 3.11") {
Write-Host " -> https://www.python.org/downloads/"
} elseif ($name -eq "Node.js LTS") {
Write-Host " -> https://nodejs.org/"
}
exit 1
}
Write-Host ""
$resp = Read-Host "$name not found. Install now via winget ($id)? [Y/n]"
if ($resp -and ($resp -ne "y") -and ($resp -ne "Y")) {
Write-Host "Skipped. Install $name manually and re-run."
exit 1
}
Write-Host "==> Installing $name (this can take a couple of minutes)…"
& winget install --id $id -e --silent --accept-package-agreements --accept-source-agreements
if ($LASTEXITCODE -ne 0) {
Write-Error "winget install failed (exit $LASTEXITCODE)."
exit 1
}
Write-Host ""
Write-Host "==> $name installed."
Write-Host " Close this window and run scripts\start.bat again so the new PATH takes effect."
exit 0
}
if (-not (Test-Py311)) { Install-WithWinget "Python 3.11" "Python.Python.3.11" }
if (-not (Test-Node)) { Install-WithWinget "Node.js LTS" "OpenJS.NodeJS.LTS" }
# ---------------------------------------------------------------------------
# venv + Python deps
# ---------------------------------------------------------------------------
if (-not (Test-Path ".venv")) {
Write-Host "==> Creating venv (.venv)"
& py -3.11 -m venv .venv
}
. .venv/Scripts/Activate.ps1
$reqHash = (Get-FileHash requirements.txt -Algorithm SHA1).Hash
$marker = ".venv/.installed-marker"
if (-not (Test-Path $marker) -or (Get-Content $marker) -ne $reqHash) {
Write-Host "==> Installing python deps"
pip install --upgrade pip
pip install -r requirements.txt
Set-Content $marker $reqHash
}
# ---------------------------------------------------------------------------
# web deps + build
# ---------------------------------------------------------------------------
if (-not (Test-Path "web/node_modules")) {
Write-Host "==> Installing web deps"
Push-Location web
npm ci
Pop-Location
}
if (-not (Test-Path "server/static/index.html")) {
Write-Host "==> Building web"
Push-Location web
npm run build
Pop-Location
if (Test-Path "server/static") { Remove-Item -Recurse -Force "server/static" }
New-Item -ItemType Directory -Force "server/static" | Out-Null
Copy-Item -Recurse "web/dist/*" "server/static/"
}
# ---------------------------------------------------------------------------
# serve
# ---------------------------------------------------------------------------
$env:PYTORCH_ENABLE_MPS_FALLBACK = "1"
$Url = "http://${BindHost}:$Port"
Write-Host "==> Serving on $Url"
Start-Process $Url
uvicorn server.main:app --host $BindHost --port $Port
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