def news_job(): channel_layer = get_channel_layer() async_to_sync(channel_layer.group_send)( 'aws', { 'type': 'news_message', 'text': news } ) But when the job runs, the console prints AttributeError: 'NoneType' object has no attribute 'group_send', the get_channel_layer() ...
在consumer外调用channel layer 如果在consumer的范围外发送message到channel layer的时候,self.channel_layer是不可用的,此时需要使用get_channel_layer方法 fromchannels.layersimportget_channel_layer channel_layer=get_channel_layer() 在实例化之后就可以进行调用了,但是需要注意的是,get_channel_layer()需要异步使用,...
(InteractiveConsole)>>>importchannels.layers>>>channel_layer = channels.layers.get_channel_layer()>>>fromasgiref.syncimportasync_to_sync>>>async_to_sync(channel_layer.send)('test_channel',{'site':'https://ops-coffee.cn'})>>>async_to_sync(channel_layer.receive)('test_channel'){'site':...
= 0 and sender != recipient: msg = Message.objects.create( sender=sender, recipient=recipient, message=message ) channel_layer = get_channel_layer() payload = { 'type': 'receive', 'message': message, 'sender': sender.username } # group_send(group: 所在组-接收者的username, message: 消...
在上一篇文章中,我们通过一个直接借助BasicHttpBinding对象实现Client和Server端进行通信的例子,对WCF channel layer进行了一个大致上的介绍。由此引出了一些列通信相关的概念和对象,比如Channel,Outputchannel, Input channel,Re
假定原用户和用户组id如下： 用户 admin 500 组 admin 500 要修改成用户和组id如下： 用户 admin ...
aBuild a bridge of friendship, for the "foreigners" in China's life and work to help. 建立友谊桥梁,为了“外国人”在中国的生涯中和工作帮助。[translate] aDo you prevent from having foreign objects that attach to the wafers (on the wafer or in between the stages) in the process of peeling...
回答済み:Udit06
Redis channel layer backend for Django Channels. Contribute to django/channels_redis development by creating an account on GitHub.
The present study reveals that it's quite hard to get the best-optimized results for the on-state current and Sth S simultaneously, that is, there is a tradeoff between them. The whole optimization process is carried out by varying two parameters and variables concurrently in order to have ...