parseJSONpython

# Define the path to your JSON file
$jsonFilePath = 'setuptools.json'

# Read the JSON content from the file
$jsonContent = Get-Content $jsonFilePath | Out-String | ConvertFrom-Json

# The Python version to match or find a slightly lower version for
$targetPythonVersion = [version]"3.1.*"

# Function to check if a version satisfies the requirement
function Test-VersionCompatibility {
    param (
        [version]$requiredVersion,
        [string]$requiresPython
    )

    # Split the requirement string into versions, assuming format is ">=2.6,!=3.0.*,!=3.1.*,!=3.2.*"
    $versionConditions = $requiresPython -split ','

    foreach ($condition in $versionConditions) {
        if ($condition -match '>=?(\d+\.\d+)(\.(\d+))?') {
            $minVersion = [version]$Matches[1]
            if ($requiredVersion -lt $minVersion) {
                return $false
            }
        }
        elseif ($condition -match '<=?(\d+\.\d+)(\.(\d+))?') {
            $maxVersion = [version]$Matches[1]
            if ($requiredVersion -gt $maxVersion) {
                return $false
            }
        }
        elseif ($condition -match '!=?(\d+\.\d+)(\.(\d+))?') {
            $notVersion = [version]$Matches[1]
            if ($requiredVersion -eq $notVersion) {
                return $false
            }
        }
    }

    return $true
}

# Iterate through releases in reverse chronological order
$latestCompatibleRelease = $null
foreach ($release in ($jsonContent.releases.PSObject.Properties | Sort-Object Name -Descending)) {
    foreach ($package in $release.Value) {
        if ($null -ne $package.requires_python -and (Test-VersionCompatibility -requiredVersion $targetPythonVersion -requiresPython $package.requires_python)) {
            $latestCompatibleRelease = $release
            break
        }
    }
    if ($latestCompatibleRelease) {
        break
    }
}

# Output the found release
if ($latestCompatibleRelease) {
    $latestCompatibleRelease.Name
    $latestCompatibleRelease.Value | ConvertTo-Json
}
else {
    Write-Output "No compatible release found for Python $targetPythonVersion"
}