'Start an anonymous download in the main Tribler session.'

def start_anon_download(self, hops=1):

    dscfg = DownloadStartupConfig()
    dscfg.set_dest_dir(self.getDestDir())
    dscfg.set_hops(hops)
    download = self.session.start_download_from_tdef(self.seed_tdef, dscfg)
    download.add_peer(('127.0.0.1', self.session2.config.get_libtorrent_port()))
    return download
