75 lines
1.8 KiB
PowerShell
75 lines
1.8 KiB
PowerShell
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$ErrorActionPreference = "Stop"
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function Download-ToTemp
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{
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param
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(
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[Parameter(Mandatory)]
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[string] $url,
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[string] $filename
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)
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if (-not ($filename))
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{
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$filename = Split-Path -Path $url -Leaf
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}
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if (-not ($filename))
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{
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Write-Error "Unable to parse filename from $url"
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return $null
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}
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$tempDir = [System.IO.Path]::GetTempPath()
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$path = Join-Path -Path $tempDir -ChildPath $filename
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Write-Host "Downloading $url to $path..."
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Invoke-WebRequest -Uri $url -OutFile $path -UserAgent "NativeClient" -MaximumRetryCount 5 -RetryIntervalSec 60
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Write-Host "Downloading Done"
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return $path
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}
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# Total timeout is 20 minutes
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$delay_in_seconds = 15
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$max_retry_attempts = 80
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$url = "https://sourceforge.net/projects/opencvlibrary/files/4.1.1/opencv-4.1.1-vc14_vc15.exe/download"
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$filename = "opencv-4.1.1-vc14_vc15.exe"
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$retry = 1;
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Do
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{
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Write-Host
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Write-Host
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Write-Host "Attempting to download OpenCV, try #$retry"
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$opencv_exe = "error_Download-ToTemp_did_not_return_a_file" # default value incase of exception
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try
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{
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# Download OpenCV
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$opencv_exe = Download-ToTemp -url $url -filename $filename
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}
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catch
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{
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Write-Host
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Write-Host "An exception was thrown: $($PSItem.ToString())"
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}
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Write-Host "Processing downloaded file: $opencv_exe"
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$retry+=1
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if (-not(Test-Path $opencv_exe))
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{
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if ($retry -gt $max_retry_attempts)
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{
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Write-Host "ERROR: Retries exhausted!"
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exit 1
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}
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Write-Host "Retry in $delay_in_seconds seconds ..."
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Start-Sleep -s $delay_in_seconds
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}
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}While (-not (Test-Path $opencv_exe))
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Start-Process -Wait $opencv_exe -ArgumentList -o"C:\",-y
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Write-Host "OpenCV installed."
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