请求消息时找不到记录器“pubnub”错误的处理程序答案

【问题标题】：No handlers could be found for logger "pubnub" Error when asking for message请求消息时找不到记录器“pubnub”错误的处理程序
【发布时间】：2017-12-16 02:48:21
【问题描述】：

我目前正在使用 pubnub。我正在向我的 pubnub 帐户（状态：打开和状态：关闭）发送一些消息，但是当我想在我的树莓派上运行我的 python 脚本时。我得到这个错误。

找不到记录器“pubnub”的处理程序

我有最新的python版本我有最新的 pubnub 版本

代码：

from pubnub.pnconfiguration import PNConfiguration
from pubnub.pubnub import PubNub
from pubnub.callbacks import SubscribeCallback
from pubnub.enums import PNOperationType, PNStatusCategory
from pubnub.pubnub import PubNub, SubscribeListener
import time
import RPi.GPIO as GPIO

pnconf = PNConfiguration()
pnconf.subscribe_key = "sub-c-e1af6266-e1d0-11e7-ad36-deb77ae39924"
pnconf.publish_key = "pub-c-6dbd1d39-2915-4df0-b99a-5b358cf69209"
pnconf.ssl = True
pubnub = PubNub(pnconf)

def my_publish_callback(envelope, status):
    # Check whether request successfully completed or not
    if not status.is_error():
        pass  # Message successfully published to specified channel.
    else:
        pass  # Handle message publish error. Check 'category' property to find out possible issue
        # because of which request did fail.
        # Request can be resent using: [status retry];

class MySubscribeCallback(SubscribeCallback):
    def presence(self, pubnub, presence):
        pass  # handle incoming presence data

    def status(self, pubnub, status):
        if status.category == PNStatusCategory.PNUnexpectedDisconnectCategory:
            pass  # This event happens when radio / connectivity is lost

        elif status.category == PNStatusCategory.PNConnectedCategory:
            # Connect event. You can do stuff like publish, and know you'll get it.
            # Or just use the connected event to confirm you are subscribed for
            # UI / internal notifications, etc
            pubnub.publish().channel("led").message("hello!!").async(my_publish_callback)
        elif status.category == PNStatusCategory.PNReconnectedCategory:
            pass
            # Happens as part of our regular operation. This event happens when
            # radio / connectivity is lost, then regained.
        elif status.category == PNStatusCategory.PNDecryptionErrorCategory:
            pass
            # Handle message decryption error. Probably client configured to
            # encrypt messages and on live data feed it received plain text.

    def message(self, pubnub, message):
        print(message.message)
        if 'status' in message.message:
            print(message.message['status'])
            whatToDo(message.message['status'])
        pass  # Handle new message stored in message.message

def whatToDo(status):
    if status == 'ON':
        print('Switch ON light')
        # switch on
        led.on()
    else:
        print('Swtich OFF light')
        # switch off
        led.off()

pubnub.add_listener(MySubscribeCallback())
pubnub.subscribe().channels('led').execute()

【问题讨论】：

是错误还是警告？
这通常只是为了让您知道提到的模块/包正在尝试使用内置的 logging 模块记录一些消息，并且您没有配置任何东西来查看/记录这些消息.它不应阻止您的代码正常工作。如果您想在屏幕上查看日志消息：import logging; logging.basicConfig(level=logging.INFO) 或其他组合。研究 python 的内置日志记录。
@daveydave400 感谢您的回复！我真的不知道..当我运行我的 python 代码时，它应该给出我通过 pubnub 发送的值，但它只是停止程序并向我显示那句话。
嘿，你有没有想过这个问题？

标签： python raspberry-pi pubnub

【解决方案1】：

我必须为 pubnub 记录器初始化我自己的处理程序

import logging

# Avoid logger Errors and register your own logger

# create logger with pubnub
logger = logging.getLogger('pubnub')

logger.setLevel(logging.DEBUG)  # set to other levels in different environments ie (test / prod)

# create file handler which logs even debug messages
fh = logging.FileHandler('pubnub.log')
fh.setLevel(logging.DEBUG)
# register your handler to pubnub log
logger.addHandler(fh)

【讨论】：