How to use the robotframework.models.Email.objects function in robotframework

def add_email_sender(request):
    username = request.session.get('user', '')
    emails = Email.objects.all()
    if request.method == "POST":
        sender_site = request.POST.get("sender_site")
        sender_email_password = request.POST.get("sender_email_password")
        smtpserver = request.POST.get("smtpserver")
        Email.objects.create(username=sender_site,passwd=sender_email_password,email_server=smtpserver)
    return  render(request,"email_add_page.html",{"user": username,"emails": emails})