control_gpio_GUI.py 文件源码

def trySSHConnect(self,host, portNum):
        paramiko.util.log_to_file ('paramiko.log') 
        try:
            self.ssh = paramiko.SSHClient()
            self.ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
            self.ssh.connect(host,port=portNum,username="pi", password="raspberry")
            self.ssh.get_transport().window_size = 3 * 1024 * 1024
            command='python /home/pi/Desktop/control_gpio_pi/initial_check.py'
            stdin,stdout,stderr = self.ssh.exec_command(command)
            print('\nstout:',stdout.read())
        except paramiko.AuthenticationException:
            print ("Authentication failed!")
            return -1
        except paramiko.BadHostKeyException:
            print ("BadHostKey Exception!")
            return -1
        except paramiko.SSHException:
            print ("SSH Exception!")
            self.ssh.close()
            return -1
        except socket.error as e:
            print ("Socket error ", e)
            return -1
        except:
            print ("Could not SSH to %s, unhandled exception" % host)
            return -1
        print ("Made connection to " + host + ":" + str(portNum))
        return 0