Apps/Get-PSFPython.ps1
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Function Get-PSFPython { <# .SYNOPSIS Get the current version and download URL for Python Software Foundation version of Python. .NOTES Author: Andrew Cooper Twitter: @adotcoop #> [OutputType([System.Management.Automation.PSObject])] [CmdletBinding(SupportsShouldProcess = $False)] param ( [Parameter(Mandatory = $False, Position = 0)] [ValidateNotNull()] [System.Management.Automation.PSObject] $res = (Get-FunctionResource -AppName ("$($MyInvocation.MyCommand)".Split("-"))[1]), [Parameter(Mandatory = $False, Position = 1)] [ValidateNotNull()] [System.String] $Filter ) # Query the python API to get the list of versions $updateFeed = Invoke-RestMethodWrapper -Uri $res.Get.Update.Uri If ($Null -ne $updateFeed) { # Get latest versions from update feed (PSF typically maintain a version of Python2 and a version of Python 3) $LatestVersions = $updateFeed | Where-Object { $_.is_latest -eq "True" } If ($Null -ne $LatestVersions) { ForEach ($PythonVersion in $LatestVersions) { # Extract release ID from resource uri try { $releaseToQuery = [RegEx]::Match($PythonVersion.resource_uri, $res.Get.Update.MatchRelease).Captures.Groups[0].Value Write-Verbose -Message "$($MyInvocation.MyCommand): Found ReleaseID: [$releaseToQuery]." } Catch { Throw "$($MyInvocation.MyCommand): could not find release ID in resource uri." } # Query the python API to get the list of download uris $iwcParams = @{ Uri = $res.Get.Download.Uri Body = @{ os = "1" release = $releaseToQuery } } $downloadFeed = Invoke-RestMethodWrapper @iwcParams # Filter the download feed to obtain the installers try { $windowsDownloadFeed = $downloadFeed | Where-Object { $_.url -match $res.Get.Download.MatchFileTypes } } catch { Throw "$($MyInvocation.MyCommand): could not filter download feed for executable filetypes." } # Match this release with entries from the download feed Write-Verbose -Message "$($MyInvocation.MyCommand): Processing $($PythonVersion.name)" $WindowsRelease = $windowsDownloadFeed | Where-Object { $_.release -eq $PythonVersion.resource_uri } If ($Null -ne $WindowsRelease) { # Each release typically has an x86 and x64 installer, so we need to loop through the results ForEach ($UniqueFile in $WindowsRelease) { Write-Verbose -Message "$($MyInvocation.MyCommand): Found: $($UniqueFile.name)." # Extract exact version (eg 3.9.6) from URI Try { $FileVersion = [RegEx]::Match($UniqueFile.url, $res.Get.Download.MatchVersion).Captures.Groups[0].Value Write-Verbose -Message "$($MyInvocation.MyCommand): Found version: [$FileVersion]." } Catch { Throw "$($MyInvocation.MyCommand): Failed to find exact version from: $($UniqueFile.url)" } # Construct the output; Return the custom object to the pipeline $PSObject = [PSCustomObject] @{ Version = $FileVersion Python = $PythonVersion.version md5 = $UniqueFile.md5_sum Size = $UniqueFile.filesize Date = ConvertTo-DateTime -DateTime $PythonVersion.release_date -Pattern $res.Get.Download.DatePattern Type = ($UniqueFile.url).Split('.')[-1] Architecture = Get-Architecture $UniqueFile.name URI = $UniqueFile.url } Write-Output -InputObject $PSObject } } Else { Throw "$($MyInvocation.MyCommand): Failed to lookup download URI based on release $($PythonVersion.resource_uri)." } } } Else { Throw "$($MyInvocation.MyCommand): Release feed didn't contain any releases marked as latest." } } Else { Throw "$($MyInvocation.MyCommand): Failed to obtain release information from json release feed." } } |