'Dump the class data in the format of a .netrc file.'

def __repr__(self):

    rep = ''
    for host in self.hosts.keys():
        attrs = self.hosts[host]
        rep = (((((rep + 'machine    ') + host) + '\n DCTB login    ') + repr(attrs[0])) + '\n')
        if attrs[1]:
            rep = ((rep + 'account    ') + repr(attrs[1]))
        rep = (((rep + ' DCTB password    ') + repr(attrs[2])) + '\n')
    for macro in self.macros.keys():
        rep = (((rep + 'macdef    ') + macro) + '\n')
        for line in self.macros[macro]:
            rep = (rep + line)
        rep = (rep + '\n')
    return rep
