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Actually add the install script

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DolceTriade committed Nov 7, 2015
1 parent cb7303e commit 8df11a4e510bd4043d9eed52d752bcff7046bb2d
Showing with 85 additions and 0 deletions.
  1. +85 −0 appveyor/install.ps1
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# Sample script to install Python and pip under Windows
# Authors: Olivier Grisel and Kyle Kastner
# License: CC0 1.0 Universal: http://creativecommons.org/publicdomain/zero/1.0/

$BASE_URL = "https://www.python.org/ftp/python/"
$GET_PIP_URL = "https://bootstrap.pypa.io/get-pip.py"
$GET_PIP_PATH = "C:\get-pip.py"


function DownloadPython ($python_version, $platform_suffix) {
$webclient = New-Object System.Net.WebClient
$filename = "python-" + $python_version + $platform_suffix + ".msi"
$url = $BASE_URL + $python_version + "/" + $filename

$basedir = $pwd.Path + "\"
$filepath = $basedir + $filename
if (Test-Path $filename) {
Write-Host "Reusing" $filepath
return $filepath
}

# Download and retry up to 5 times in case of network transient errors.
Write-Host "Downloading" $filename "from" $url
$retry_attempts = 3
for($i=0; $i -lt $retry_attempts; $i++){
try {
$webclient.DownloadFile($url, $filepath)
break
}
Catch [Exception]{
Start-Sleep 1
}
}
Write-Host "File saved at" $filepath
return $filepath
}


function InstallPython ($python_version, $architecture, $python_home) {
Write-Host "Installing Python" $python_version "for" $architecture "bit architecture to" $python_home
if (Test-Path $python_home) {
Write-Host $python_home "already exists, skipping."
return $false
}
if ($architecture -eq "32") {
$platform_suffix = ""
} else {
$platform_suffix = ".amd64"
}
$filepath = DownloadPython $python_version $platform_suffix
Write-Host "Installing" $filepath "to" $python_home
$args = "/qn /i $filepath TARGETDIR=$python_home"
Write-Host "msiexec.exe" $args
Start-Process -FilePath "msiexec.exe" -ArgumentList $args -Wait -Passthru
Write-Host "Python $python_version ($architecture) installation complete"
return $true
}


function InstallPip ($python_home) {
$pip_path = $python_home + "/Scripts/pip.exe"
$python_path = $python_home + "/python.exe"
if (-not(Test-Path $pip_path)) {
Write-Host "Installing pip..."
$webclient = New-Object System.Net.WebClient
$webclient.DownloadFile($GET_PIP_URL, $GET_PIP_PATH)
Write-Host "Executing:" $python_path $GET_PIP_PATH
Start-Process -FilePath "$python_path" -ArgumentList "$GET_PIP_PATH" -Wait -Passthru
} else {
Write-Host "pip already installed."
}
}

function InstallPackage ($python_home, $pkg) {
$pip_path = $python_home + "/Scripts/pip.exe"
& $pip_path install $pkg
}

function main () {
InstallPython $env:PYTHON_VERSION $env:PYTHON_ARCH $env:PYTHON
InstallPip $env:PYTHON
InstallPackage $env:PYTHON wheel
}

main

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