I have a console.log in my javascript that verified is the newly created
Feed that got sent. This is my binding, consumers and routing class:
#bindings.py
class FeedBinding(WebsocketBinding):
model = Feed
stream = "feed"
fields = ["__all__"]
@classmethod
def group_names(cls, instance):
return ["feed-grp", ]
def has_permission(self, user, action, pk):
return True
# consumers.py
class Demultiplexer(WebsocketDemultiplexer):
print("consumers.py is run")
consumers = {
"feed": FeedBinding.consumer,
}
def connection_groups(self):
return ["feed-grp", ]
# routing.py
channel_routing = [
route_class(Demultiplexer, path="^/binding/"),
]
I still couldn't get the sending to work via admin or DRF API call when
creating a `Feed` object. This somehow only happens in the production
setup, runserver works fine.
Really appreciate your help, thanks for the great library!
Cheers
Zac
On Thursday, December 14, 2017 at 2:45:49 AM UTC+8, Andrew Godwin wrote:
>
> That is odd behaviour - have you tried to see if it's actually the group
> send, or something like trying to send it twice? Can you post your binding
> configuration?
>
> Andrew
>
> On Wed, Dec 13, 2017 at 4:14 AM, Zac Kwan <[email protected] <javascript:>
> > wrote:
>
>> In production, I have setup asgi, wsgi and nginx. My javascript frontend
>> manage connected successfully base on the logs in runworker. However, when
>> a new model is created (DRF API, Admin or Shell), it does not send a
>> message to the group where my frontend is connected. It work perfectly in
>> runserver.
>>
>> I had did some testing in the python manage.py shell and found out that
>> it work when I try to send a group message myself first.
>>
>> $ python manage.py shell
>>
>> Python 3.6.2 (default, Aug 27 2017, 18:32:19)
>>
>> [GCC 4.2.1 Compatible Apple LLVM 8.1.0 (clang-802.0.42)] on darwin
>>
>> Type "help", "copyright", "credits" or "license" for more information.
>>
>> (InteractiveConsole)
>>
>>
>> >>> from channels import Group
>> >>> from github_hook.models import Feed
>> >>>
>> >>> Feed.objects.create(name="foo") # Model is created but frontend did
>> not receive any message
>> >>>
>> >>> Group("news").send({"text": "dsa"}) # After I do this, a print I had
>> in consumers.py happened
>> >>> consumers.py is run!
>> >>>
>> >>> Feed.objects.create(name="foo") # Now when i created a new object,
>> frontend successfully received the mssage
>>
>>
>> The following is my CHANNEL_LAYERS setup:
>>
>> CHANNEL_LAYERS = {
>> "default": {
>> "BACKEND": "asgi_redis.RedisChannelLayer",
>> "CONFIG": {
>> "hosts": [os.environ.get('REDIS_URL',
>> 'redis://localhost:6379')],
>> },
>> "ROUTING": "github_hook.routing.channel_routing",
>> },
>> }
>>
>>
>> I had been on this for 2 weeks, still caa't figure out what is wrong. Can
>> anyone help me figure out whats wrong?
>>
>> It seems to me that my application that is served by WSGI, when created a
>> model via admin, it does not trigger the message sending. It seems to be
>> missing some init on consumers.py?
>>
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