'Main entry point, configuration'

def __call__(self):

    T = current.T
    auth = current.auth
    if (not auth.s3_logged_in()):
        auth.permission.fail()
    form = self.create_form()
    if form:
        output = {'title': T('Subscription    Settings'), 'form': form}
    else:
        output = {'title': T('No    Subscriptions')}
    self._view(THEME, 'subscriptions.html')
    return output
