Youtube Summarizer

Youtube-Summarizer.ps1

function Ask {
  Param (
    [PSDefaultValue(Help="*")]
    [switch]$Fast,
    [Parameter(Position=1)]
    [Alias("M")]
    [int]$Tokens=256,
    [Alias("n")]
    [int]$Results=1,
    [Parameter(Mandatory=$true, Position=0)]
    [string]$query,
    [Alias("s")]
    [string]$system
  )
  $engine = $Fast ? "gpt-3.5-turbo" : "gpt-4"
  $query = "-g user ""${query}"" "
  if($system) {$query = " -g system ""${system}"" " + $query} # does the system vs user order matter?
  Invoke-Expression "openai.exe api chat_completions.create -m ${engine} --max-tokens ${tokens} -n ${results} ${query} -t 0.7"
}

function Invoke-YoutubeSummary {
  Param (
  [switch]$test,
  [Parameter(Position=1)]
  [string]
  $id
  )

  # handle both ids and urls

  if ($id -match "/") { 
   $id = ($id -replace ".*v=(\w*)&?.*", '$1') # subst MUST use single quotes
  }
  # Write-Output $id
  $transcript = (python -m youtube_transcript_api $id --format text)
  if ($test) {
    return $transcript
  }
  # TODO if ($transcript[1] -notmatch "^Could not retrieve a transcript" {code}
  
  ask -system "Summarize this youtube transcript." ($transcript -join '`n')
}

new-alias -Name sumyt -value Invoke-YoutubeSummary