test_conch.py 文件源码

def execute(self, args, p, preargs = ''):
        cmdline = ('ssh -2 -l testuser -p %i '
                   '-oUserKnownHostsFile=kh_test '
                   '-oPasswordAuthentication=no '
                   # Always use the RSA key, since that's the one in kh_test.
                   '-oHostKeyAlgorithms=ssh-rsa '
                   '-a '
                   '-i dsa_test ') + preargs + \
                   ' 127.0.0.1 ' + args
        port = self.server.getHost().port
        ssh_path = None
        for path in ['/usr', '', '/usr/local']:
            if os.path.exists(path+'/bin/ssh'):
                ssh_path = path+'/bin/ssh'
                break
        if not ssh_path:
            log.msg('skipping test, cannot find ssh')
            raise unittest.SkipTest, 'skipping test, cannot find ssh'
        cmds = (cmdline % port).split()
        reactor.spawnProcess(p, ssh_path, cmds)
        return p.deferred