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| # Examples: | |
| # ======== | |
| # | |
| # Download the top 100 python packages, and for each package download the last 5 releases | |
| # PS> Get-PythonPackages -TopPackages 100 -Last 5 | |
| # | |
| # Download packages listed in a file, and for each package download the last 5 releases | |
| # PS> Get-PythonPackagesFromProvidedList -Path .\packages.txt -Last 5 | |
| # | |
| # Notes: | |
| # ===== | |
| # | |
| # It's optional to execute $ProgressPreference = 'SilentlyContinue' before | |
| # executing any function to prevent the blue progress bar window. | |
| function Get-TopPackages { | |
| $response = Invoke-WebRequest -UseBasicParsing 'https://hugovk.github.io/top-pypi-packages/top-pypi-packages-30-days.json' | |
| return ($response | ConvertFrom-Json).rows | % {$_.project} | |
| } | |
| function Get-PythonPackageDownloadUrls { | |
| param ( | |
| [Parameter(Mandatory)] | |
| [String]$Name, | |
| [Int32]$Last = 10 | |
| ) | |
| $urls = (Invoke-WebRequest -UseBasicParsing "https://pypi.org/simple/$Name/") -split "\n" | Select-String -Pattern 'href="(.*?)"' | Select -Last $Last | % {$_.Matches.Groups[1].Value} | |
| [array]::Reverse($urls) | |
| return $urls | |
| } | |
| function Download-FromUrl { | |
| param ( | |
| [Parameter(Mandatory)] | |
| [String]$Url | |
| ) | |
| $filename = Split-Path -Path $Url -Leaf | Select-String -Pattern "(.*)#" | % {$_.Matches[0].Groups[1].Value} | |
| Write-Host -NoNewline ('[] ------ {0} ' -f $filename) | |
| Invoke-WebRequest -Uri $Url -OutFile $filename | |
| Write-Host ('[{0} KB]' -f ([math]::Round((Get-Item $filename).Length / 1024, 2))) | |
| } | |
| function Get-PythonPackages { | |
| param ( | |
| [Parameter(Mandatory)] | |
| [Int32]$TopPackages, | |
| [Int32]$Last = 10 | |
| ) | |
| $packages = Get-TopPackages | Select -First $TopPackages | |
| foreach ($package in $packages) { | |
| Write-Host '[*] Downloading {0}' -f $package | |
| $urls = Get-PythonPackageDownloadUrls -Name $package -Last $Last | |
| foreach ($url in $urls) { | |
| Download-FromUrl -Url $url | |
| } | |
| } | |
| } | |
| function Get-PythonPackagesFromProvidedList { | |
| param ( | |
| [Parameter(Mandatory)] | |
| [String]$Path, | |
| [Int32]$Last = 10 | |
| ) | |
| Get-Content $Path | ForEach-Object { | |
| Write-Host ('[*] Downloading {0}' -f $_) | |
| $urls = Get-PythonPackageDownloadUrls -Name $_ -Last $Last | |
| foreach ($url in $urls) { | |
| Download-FromUrl -Url $url | |
| } | |
| } | |
| } |
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