class ConsoleUICallback:
    """Meets the fb2contacts' authentication callback contract using
       the console.
    
       Copyright (c) Andrew Flegg <andrew@bleb.org> 2009.
       Released under the Artistic Licence."""

    # -----------------------------------------------------------------------
    def need_auth(self):
        print 'Need authentication...'

    # -----------------------------------------------------------------------
    def block_for_auth(self):
        print 'Press enter when logged in...'
        raw_input()
    
    # -----------------------------------------------------------------------
    def progress(self, current, maximum):
        print current, maximum