mirror of
https://github.com/razzant/ouroboros.git
synced 2026-08-25 19:11:44 +00:00
54ad148f28
Validate lock freshness, preserve the pip runtime capability and N-1 updater bridge, synchronize the uv root version during releases, and align install documentation and regression tests.
68 lines
2.5 KiB
PowerShell
68 lines
2.5 KiB
PowerShell
# Downloads python-build-standalone for Windows (x86_64)
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# Run from repo root: powershell -ExecutionPolicy Bypass -File scripts/download_python_standalone.ps1
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$ErrorActionPreference = "Stop"
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$Release = "20260211"
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$PyVersion = "3.10.19"
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$Dest = "python-standalone"
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$Platform = "x86_64-pc-windows-msvc"
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# Pinned SHA256 (from the release's SHA256SUMS): a swapped/truncated archive
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# fails here instead of becoming the packaged runtime. Update the pin when
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# bumping $Release/$PyVersion, exactly as in download_python_standalone.sh.
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$Sha256 = "b892f2c7eb0a04611688d6df7567a2745a204aac694d6d1c56c75b0717dab2d6"
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$Filename = "cpython-${PyVersion}+${Release}-${Platform}-install_only_stripped.tar.gz"
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$Url = "https://github.com/astral-sh/python-build-standalone/releases/download/${Release}/${Filename}"
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Write-Host "=== Downloading Python ${PyVersion} for ${Platform} ==="
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Write-Host "URL: ${Url}"
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if (Test-Path $Dest) { Remove-Item -Recurse -Force $Dest }
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if (Test-Path "_python_tmp") { Remove-Item -Recurse -Force "_python_tmp" }
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New-Item -ItemType Directory -Path "_python_tmp" | Out-Null
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$ArchivePath = "_python_tmp\python.tar.gz"
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Write-Host "Downloading..."
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Invoke-WebRequest -Uri $Url -OutFile $ArchivePath -UseBasicParsing
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Write-Host "Verifying SHA256..."
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$Actual = (Get-FileHash -Algorithm SHA256 $ArchivePath).Hash.ToLower()
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if ($Actual -ne $Sha256.ToLower()) {
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throw "SHA256 mismatch for ${Filename}: expected ${Sha256}, got ${Actual} - refusing to install."
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}
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Write-Host "Checksum OK: ${Actual}"
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Write-Host "Extracting..."
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tar -xzf $ArchivePath -C "_python_tmp"
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Move-Item "_python_tmp\python" $Dest
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Remove-Item -Recurse -Force "_python_tmp"
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echo ""
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Write-Host "=== Installing agent dependencies ==="
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if (-not (Get-Command uv -ErrorAction SilentlyContinue)) {
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throw "uv is required for locked dependency installation"
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}
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uv pip install --python "${Dest}\python.exe" --quiet -r requirements-runtime.lock
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if ($LASTEXITCODE -ne 0) {
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throw "Agent dependency installation failed with exit code $LASTEXITCODE"
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}
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echo ""
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Write-Host "=== Installing optional: local model support ==="
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try {
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uv pip install --python "${Dest}\python.exe" --quiet "llama-cpp-python[server]" 2>&1
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if ($LASTEXITCODE -ne 0) {
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throw "llama-cpp-python installation failed with exit code $LASTEXITCODE"
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}
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Write-Host "llama-cpp-python installed successfully"
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} catch {
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Write-Warning "llama-cpp-python install failed - local model support will not be available"
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}
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echo ""
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Write-Host "=== Done ==="
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Write-Host "Python: ${Dest}\python.exe"
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& "${Dest}\python.exe" --version
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