channels-example | Code accompanying Django Channels | Learning library
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kandi X-RAY | channels-example Summary
Examples of asynchronous projects with Django Channels 2. Check out:.
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QUESTION
I'm trying to learn to use django-channels
and have worked through both the tutorial and this multichat example. I am now trying to deploy it on a Digital Ocean droplet using Apache and Daphne. I would happily use Daphne by itself but I do not understand how to.
So this is my Apache conf file:
...ANSWER
Answered 2019-Feb-21 at 14:59You've configured Apache to serve Django content using WSGI protocol, but WSGI doesn't support web sockets. That is why Daphne is here. It doesn't use WSGI to serve Django content, so you can use it with web sockets.
To use Daphne instead, you should remove WSGI settings from apache file and put ProxyPass
instead, which should point to your daphne server. The proper line should look like this:
QUESTION
I'm trying to learn to use django-channels and have worked through both the tutorial and this multichat example. I am now trying to deploy it on a Digital Ocean droplet using Apache and Daphne.
I have 2 issues:
my static files are not getting used (I have run collectstatic)
I can only get Daphne working when I type in
daphne multichat.asgi:application --port 8001 --bind 0.0.0.0 -v2
rather than using thedaphne.service
file below
This is my Apache
conf file which I hoped would serve the static files:
ANSWER
Answered 2019-Feb-26 at 09:19This is the conf file that sorted it for me:
QUESTION
As practice, I'm trying to deploy Andrew Godwin's multichat example with Django Channels 2.1.1 on DigitalOcean Ubuntu 16.04.4. However, I don't know how to exit the Ubuntu server without Channels' Daphne server stopping.
Right now, almost my entire familiarity with deployment comes from this tutorial, and that's how I've deployed the site. But according to Channels' documentation, I have to run one of these three in production to start Daphne:
- daphne myproject.asgi:application
- daphne -p 8001 myproject.asgi:application
- daphne -b 0.0.0.0 -p 8001 myproject.asgi:application
So, in addition to following the DigitalOcean tutorial, I ran these also. The third one worked for me and the site ran well. However, if I exit shell on Ubuntu, Daphne stops too.
The tutorial has gunicorn access a sock file (--bind unix:/home/sammy/myproject/myproject.sock
), and in my research so far I've seen on a few sites published before 2018 that somehow somewhere a daphne.sock file is generated. So, I guess Channels deploys similarly? But I haven't seen any details about how this is done.
How do I deploy the multichat example so I can exit the Ubuntu web server without Daphne stopping?
Update 6 May 2018, 8pm CET:
I tried kagronick's solution below and created a systemd file at /etc/systemd/system/daphne_seb.service:
...ANSWER
Answered 2018-May-07 at 14:02I use systemd for it. You would set a unit file in /etc/systemd/system/daphne.service
with contents like:
QUESTION
Using Django Channels 2.1.1 and Django 2.0, I'm building a site where a customer presses a button and is brought into a chatroom with one staff in it. I'm beginning from Andrew Godwin's multichat example.
In short: I can't figure out how to properly add staff to group so that he can both receive and send messages in the chatroom.
I've read the documentation on layers, groups, and channels. I can't say I'm very clear on the concepts, but I figure a channel pertains to an individual user, a group pertains to a chatroom or its equivalent where users are somehow grouped together, and the layer is the medium through which communication takes place.
Using this understanding, the best I've been able to do has been to add to the join_room(self, room_id)
function like this, which is probably completely the wrong thing to do:
ANSWER
Answered 2018-May-03 at 21:24The original join_room(self, room_id)
contains these two crucial lines:
QUESTION
There is a problem when using Django Channels In some Windows 10 machines. Basically i can not connect to the Socket [Error 10061] and python gives me out an error
...ANSWER
Answered 2018-Mar-01 at 11:53I have fixed the problem, however still don't know the root cause.
My solution was:
1) Install Redis windows build https://github.com/rgl/redis/downloads
2) Reboot PC
3) pip install pypiwin32
4) run project
Even works after turning on all firewalls
QUESTION
I am pretty new to Django Channels and when i went through some tutorials i came across this project Channels Examples.When i run the project in my system, i get the following error.
...ANSWER
Answered 2018-Feb-20 at 23:33I had the same problem. add this line of code. on chat/consumers.py on the ws_connect function
def ws_connect(message):
message.reply_channel.send({"accept": True})
...
QUESTION
I'm implementing the multichat example and unable to figure out what's causing this error. Here's the full traceback:
...ANSWER
Answered 2018-Jan-05 at 09:49Looks like you have a typo in the code of your decorator, which you're not showing - the traceback says that chat/utils.py line 14 has
QUESTION
I followed this tutorial: https://github.com/jacobian/channels-example
And I got the error in the title, then I cloned the repository above and got the same error.
(If you are trying to clone the repository to test, remember to change the database settings in settings.py, migrate the database, and go into views and change the import haikunator
to from haikunator import Haikunator
and in the new_room
function add the line haikunator = Haikunator()
to the beginning of the function so that it will work)
I am using Python 2.7 ad Django 1.10. '
Traceback:
...ANSWER
Answered 2017-Aug-30 at 04:28I ran into this problem with same repo. The problem for me was the version of channels. I believe that after version 1.10 ( could be wrong on version ), you now have to send back message to reply_channel.
QUESTION
I've set up an Application load balancer that redirects /ws/
requests to port 5000 where I have Daphne running along with 4 workers (that reload via Supervisord). However, in the Chrome console I get the error
WebSocket connection to 'wss://api.example.com/ws/' failed: WebSocket is closed before the connection is established.
when attempting to connect to my WebSocket via simple JavaScript code (see Multichat for something quite close). Any ideas?
Routing.py
...ANSWER
Answered 2017-May-15 at 09:23Everything was set up properly--'twas a permissions issue. Pay close attention to all relevant AWS security groups (both the load balancer and instances that are a member of the target group).
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