Imports github.com/boombuler/barcode github.com/boombuler/barcode/qr github.com/gosexy/gettext github.com/gotk3/gotk3/glib github.com/gotk3/gotk3/gtk github.com/gotk3/gotk3/pango Standard library imports C fmt html/template image/png io io/ioutil log mime net net/http os os/exec os/user path path/filepath strconv strings time unsafe