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# Sample script to install anaconda under windows
# Authors: Stuart Mumford
# Borrwed from: Olivier Grisel and Kyle Kastner
# License: BSD 3 clause
$MINICONDA_URL = "http://repo.continuum.io/miniconda/"
function DownloadMiniconda ($miniconda_version, $platform_suffix) {
$webclient = New-Object System.Net.WebClient
$filename = "Miniconda" + $miniconda_version + "-latest" + "-Windows-" + $platform_suffix + ".exe"
$url = $MINICONDA_URL + $filename
$basedir = $pwd.Path + "\"
$filepath = $basedir + $filename
if (Test-Path $filename) {
Write-Host "Reusing" $filepath
return $filepath
}
# Download and retry up to 3 times in case of network transient errors.
Write-Host "Downloading" $filename "from" $url
$retry_attempts = 2
for($i=0; $i -lt $retry_attempts; $i++){
try {
$webclient.DownloadFile($url, $filepath)
break
}
Catch [Exception]{
Start-Sleep 1
}
}
if (Test-Path $filepath) {
Write-Host "File saved at" $filepath
} else {
# Retry once to get the error message if any at the last try
$webclient.DownloadFile($url, $filepath)
}
return $filepath
}
function InstallMiniconda ($miniconda_version, $architecture, $python_home) {
Write-Host "Installing miniconda" $miniconda_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 = "x86"
} else {
$platform_suffix = "x86_64"
}
$filepath = DownloadMiniconda $miniconda_version $platform_suffix
Write-Host "Installing" $filepath "to" $python_home
$args = "/InstallationType=AllUsers /S /AddToPath=1 /RegisterPython=1 /D=" + $python_home
Write-Host $filepath $args
Start-Process -FilePath $filepath -ArgumentList $args -Wait -Passthru
#Start-Sleep -s 15
if (Test-Path $python_home) {
Write-Host "Miniconda $miniconda_version ($architecture) installation complete"
} else {
Write-Host "Failed to install Python in $python_home"
Exit 1
}
}
function main () {
InstallMiniconda $env:MINICONDA_VERSION $env:PYTHON_ARCH $env:PYTHON
}
main
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