File size: 2,750 Bytes
14577ec | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | # Find-Python311.ps1 — dot-source from setup scripts
# Returns $null or a hashtable: Exe, PreArgs, Ver, Name
function Get-Python311 {
$candidateDefs = [System.Collections.Generic.List[object]]::new()
$null = $candidateDefs.Add(@{ Name = "py -3.11 (Windows launcher)"; Exe = "py"; PreArgs = @("-3.11") })
$null = $candidateDefs.Add(@{ Name = "py -3.11-64 (launcher tag)"; Exe = "py"; PreArgs = @("-3.11-64") })
$null = $candidateDefs.Add(@{ Name = "python3.11"; Exe = "python3.11"; PreArgs = @() })
$null = $candidateDefs.Add(@{ Name = "python3"; Exe = "python3"; PreArgs = @() })
$null = $candidateDefs.Add(@{ Name = "python"; Exe = "python"; PreArgs = @() })
$local311 = Join-Path $env:LOCALAPPDATA "Programs\Python\Python311\python.exe"
$null = $candidateDefs.Add(@{ Name = "per-user: $local311"; Exe = $local311; PreArgs = @() })
$allUsers = "${env:ProgramFiles}\Python311\python.exe"
$null = $candidateDefs.Add(@{ Name = "all-users: $allUsers"; Exe = $allUsers; PreArgs = @() })
function Test-One {
param([string] $Exe, [string[]] $PreArgs)
if ($Exe -match '^(?:[A-Za-z]:|\\\\)') {
if (-not (Test-Path -LiteralPath $Exe)) { return $null }
} else {
if (-not (Get-Command $Exe -ErrorAction SilentlyContinue)) { return $null }
}
try {
$verOut = & $Exe @($PreArgs + @("--version")) 2>&1 | Out-String
} catch {
return $null
}
if ($verOut -match "3\.11\.\d+") {
return @{ Exe = $Exe; PreArgs = $PreArgs; Ver = $verOut.Trim() }
}
return $null
}
foreach ($c in $candidateDefs) {
$r = Test-One -Exe $c.Exe -PreArgs $c.PreArgs
if ($r) {
$r["Name"] = $c.Name
return $r
}
}
return $null
}
function Get-Python311Diagnostics {
$lines = [System.Collections.Generic.List[string]]::new()
$candidateDefs = @(
@{ Name = "py -3.11"; Exe = "py"; PreArgs = @("-3.11") }
@{ Name = "python"; Exe = "python"; PreArgs = @() }
@{ Name = "python3"; Exe = "python3"; PreArgs = @() }
)
$local311 = Join-Path $env:LOCALAPPDATA "Programs\Python\Python311\python.exe"
$candidateDefs += @{ Name = "per-user"; Exe = $local311; PreArgs = @() }
foreach ($c in $candidateDefs) {
if ($c.Exe -match '^(?:[A-Za-z]:|\\\\)') {
if (-not (Test-Path -LiteralPath $c.Exe)) { continue }
} elseif (-not (Get-Command $c.Exe -ErrorAction SilentlyContinue)) { continue }
try {
$v = & $c.Exe @($c.PreArgs + @("--version")) 2>&1 | Out-String
$null = $lines.Add("$($c.Name) => $($v.Trim())")
} catch { }
}
return $lines
}
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