Using OpenAI GPT-3 from Harbour

[Antonio Linares]

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#include "/usr/include/harbour/hbcurl.ch"

function Main()

   ? gpt3( "time to go there for" )

return nil

function gpt3( cQuery )

   local hCurl, cBuffer := ""
   local aData := {}
   local aResult

   local cUrl := "https://api.openai.com/v1/engines/davinci/completions"

   curl_global_init()
   if ! empty( hCurl := curl_easy_init() )
      curl_easy_setopt( hCurl, HB_CURLOPT_URL, cUrl )
      curl_easy_setopt( hCurl, HB_CURLOPT_DL_BUFF_SETUP )
      curl_easy_setopt( hCurl, HB_CURLOPT_HTTPAUTH, HB_CURLAUTH_BASIC )
      curl_easy_setopt( hCurl, HB_CURLOPT_POST, 1 )
      curl_easy_setopt( hCurl, HB_CURLOPT_HTTPHEADER, {"Content-Type:application/json"} )
      curl_easy_setopt( hCurl, HB_CURLOPT_POSTFIELDS, '{"prompt" : "' + cQuery + '", "temperature": 0, "max_tokens": 30 }' )
      curl_easy_setopt( hCurl, HB_CURLOPT_USERPWD, ":sk-fourty_chars_made_of_a-zA-Z0-9" )
      if curl_easy_perform( hCurl ) == 0
         cBuffer = curl_easy_dl_buff_get( hCurl )
         if ! empty( cBuffer )
            hb_jsonDecode( cBuffer, @aData )
         endif
      else
         ? "error"
      endif
   endif
   curl_global_cleanup()

return If( ! Empty( aData ), aData,)