Question

首先，对不起我的英语不好

我试图在Linux下运行的python 2.7中创建一个MQTT程序。我是不程序员，而是汽车修理工。所以对我来说这很简单:)这只是一个爱好

目前我正在使用适用于Python的PAHO-MQTT 1.2.3软件包。我遇到了一个恼人的错误，我无法找到我做错的事情。

以下是一些代码

def on_connect(client, userdata, flags, rc):
    printLine()
    printMsg("Connected to server")

    printMsg("Address:\t ] %s" % (sServer))
    printMsg("Port:\t\t ] %s" % (sPort))
    printMsg("Username:\t ] %s" % (sUsername))
    #client.subscribe("order/"+sLocation+"/mem")
    #client.subscribe("order/"+sLocation+"/in")
    printLine()


client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message
client.username_pw_set(sUsername,sPassword)
printMsg("marker 1")
time.sleep( 0.3 )
client.connect(sServer, sPort, 60)
time.sleep( 0.3 )
printMsg("marker 2")
client.loop_start()
time.sleep( 0.3 )
printMsg("marker 3")

7 out 10 is ok（print @ linux terminal）

[========================================
[ Booting.....
[ marker 1
[ marker 2
[========================================
[ Connected to server
[ Address:   ] *******
[ Port:      ] 8883
[ Username:  ] *********
[========================================
[ marker 3
[ send

3 out 10我在linux终端中收到下一个错误

[========================================
[ Booting.....
[ marker 1
[ marker 2
Exception in thread Thread-1:
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.7/threading.py", line 754, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/local/lib/python2.7/dist-packages/paho/mqtt/client.py", line 2630, in _thread_main
    self.loop_forever(retry_first_connection=True)
  File "/usr/local/lib/python2.7/dist-packages/paho/mqtt/client.py", line 1410, in loop_forever
    rc = self.loop(timeout, max_packets)
  File "/usr/local/lib/python2.7/dist-packages/paho/mqtt/client.py", line 926, in loop
    rc = self.loop_read(max_packets)
  File "/usr/local/lib/python2.7/dist-packages/paho/mqtt/client.py", line 1209, in loop_read
    rc = self._packet_read()
  File "/usr/local/lib/python2.7/dist-packages/paho/mqtt/client.py", line 1802, in _packet_read
    rc = self._packet_handle()
  File "/usr/local/lib/python2.7/dist-packages/paho/mqtt/client.py", line 2278, in _packet_handle
    return self._handle_publish()
  File "/usr/local/lib/python2.7/dist-packages/paho/mqtt/client.py", line 2430, in _handle_publish
    (topic, packet) = struct.unpack(pack_format, packet)
error: bad char in struct format

[ marker 3
[ send

有人能指出我正确的方向来解决我的错误。

Site: github.com paho-mqtt

Site: pypi.python.org paho-mqtt

Python paho-mqtt 1.2.3

0 个答案: