"http://ftp.gnome.org/pub/GNOME/binaries/win32/pygtk/2.24/pygtk-all-in-one-2.24.2.win32-py2.7.msi",
    "",
    "TARGETDIR=C:\Python27 ADDLOCAL=ALL REMOVE=PythonExtensionModulePyGtkSourceview2,PythonExtensionModulePyGoocanvas,PythonExtensionModulePyRsvg,DevelopmentTools /qb-!",
    "$regPathLM\{09F82967-D26B-48AC-830E-33191EC177C8}",
    "$regPathLM\{09F82967-D26B-48AC-830E-33191EC177C8}"
  ),
  @(
    "Python requests 2.12.1",
    "requests", # no download url, pip handles this
    "easy_install",
    "",
    "",
    "$PYTHON\Lib\site-packages\requests-2.12.1-py2.7.egg"
  ),
  @(

    "",
    'Make-Shortcut -dir "$StartMenu\Streamtuner2" -name Help.lnk -target "$UsrFolder\share\streamtuner2\help\help.chm"',
    "",
    "",
    ""
  ),
  @(
    "FINISHED", "", 'Display-Logo ; Any-Key Green', "", "", ""
  )
)


#-- startup messages
function Display-Logo {


    Write-Host -b DarkBlue @"
 _____________________________________________________________________________ 
|                                                                             |
|       _____/\\\\\\\\\\\____/\\\\\\\\\\\\\\\____/\\\\\\\\\_____              |
|        ___/\\\/////////\\\_\///////\\\/////___/\\\///////\\\___             |
|         __\//\\\______\///________\/\\\_______\///______\//\\\__            |
|          ___\////\\\_______________\/\\\_________________/\\\/___           |

        Write-Host -f Yellow "`nAll required Python components are already installed. You can use 'none' or 'skip' or 'S' to skip them. Or just press ENTER on each following prompt. If you want to reinstall them though, use 'all' or 'reinstall' or 'R'.`n"
    }
}



#-- ask before running
Console-MaxHeight
Clear-Host
Display-Logo
Warn-NonElevated
Ask-First


#-- process
ForEach ($task in $tasks) {
    $title, $url, $cmd, $args, $regkey, $testpath = $task;

    # print step
    if ($title -match "\d+\.\d+") { $title = "Installing $title" }
    Write-Host -b DarkBlue "`n $title `n"
    chdir($TEMP);
    
    # test if element (file path or registry key) already exists:
    if ($reinstall -eq "all") {
    }
    elseif ($testpath -AND (Test-Path -Path $testpath)) {
        Write-Host -f Green " → Is already present."
        if ($reinstall -eq "none") { continue }
        Write-Host -f Yellow -NoNewline "   Reinstall [y/N/all/none]? " ; $y = Read-Host ; Write-Host ""
        if ($y -match "^all|always|re|^A") { $reinstall = "all" }
        elseif ($y -match "never|none|skip|^S") { $reinstall = "none"; continue }
        elseif ($y -match "^y|yes|1|go|^R") { } # YES
        else { continue } # everything else counts as NO
    }

    # get "filename" part from url
    $file = [regex]::match($url, "/([^/]+?)([\?\#]|$)").Groups[1].Value;

    # download
    if (($url -match "https?://.+") -AND ((!(Test-Path "$TEMP\$file")) -OR (!$keepdownloads))) {
        Write-Host -f DarkGreen  " ← $url"
        $wget = New-Object System.Net.WebClient
        $wget.DownloadFile($url, "$TEMP\$file");
    }

    # run shorthand or custom command
    if ($cmd) {