For a Windows machine, generates a Cacerts file that can be used by Requests and Python

New-RequestsCacertsFile.ps1

<#
  .SYNOPSIS
  Generate a cacerts.crt file. This allows you to use Requests with an SSL Termination proxy your machine already trusts
#>
[CmdletBinding()]
Param(
    $Path = "C:\Tools\cacerts.crt"
)
$Output = ""
$Certs = Get-ChildItem -Path Cert:\CurrentUser\Root
ForEach($Cert in $Certs){
    $Output += "#$($Cert.Issuer)`n`n"
    $Output += "-----BEGIN CERTIFICATE-----`n"
    $Output += [convert]::ToBase64String($Cert.RawData,"InsertLineBreaks")
    $Output += "`n-----END CERTIFICATE-----`n`n`n"
}

$Output | Out-File -FilePath $Path -Force -Encoding utf8

[System.Environment]::SetEnvironmentVariable("REQUESTS_CA_BUNDLE","$Path",[System.EnvironmentVariableTarget]::Machine)
[System.Environment]::SetEnvironmentVariable("REQUESTS_CA_BUNDLE","$Path",[System.EnvironmentVariableTarget]::User)

pip config set global.cert $Path