django channels - Tutorial Part 1: Basic Setup

channels 설치 명령어

pipenv install channels

(django_chat-JUgRnoSN) E:\project\django_chat>pipenv install channels
Creating a Pipfile for this project...
Installing channels...
Adding channels to Pipfile's [packages]...
Installation Succeeded
Pipfile.lock not found, creating...
Locking [dev-packages] dependencies...
Locking [packages] dependencies...
           Building requirements...
Resolving dependencies...
Success!
Updated Pipfile.lock (a7b586)!
Installing dependencies from Pipfile.lock (a7b586)...
  ================================ 0/0 - 00:00:00

 

channels 적용 전 후 비교

 channels 적용 전

(django_chat-JUgRnoSN) E:\project\django_chat>python manage.py runserver
Watching for file changes with StatReloader
Performing system checks...

System check identified no issues (0 silenced).
July 03, 2021 - 14:35:02
Django version 3.2.5, using settings 'config.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CTRL-BREAK.

channels 적용 후

(django_chat-JUgRnoSN) E:\project\django_chat>python manage.py runserver
Watching for file changes with StatReloader
Performing system checks...

System check identified no issues (0 silenced).
July 03, 2021 - 15:23:22
Django version 3.2.5, using settings 'config.settings'
Starting ASGI/Channels version 3.0.3 development server at http://127.0.0.1:8000/
Quit the server with CTRL-BREAK.

channels 적용 전과 후의 차이는

Starting ASGI/Channels version 3.0.0 development server at http://127.0.0.1:8000/.

이다.

이것은 channels 개발 서버가 Django 개발 서버로부터 넘겨받았음을 나타낸다.

wsgi.py VS asgi.py

wsgi.py

"""
WSGI config for config project.

It exposes the WSGI callable as a module-level variable named ``application``.

For more information on this file, see
https://docs.djangoproject.com/en/3.2/howto/deployment/wsgi/
"""

import os

from django.core.wsgi import get_wsgi_application

os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')

application = get_wsgi_application()

asgi.py

# config/asgi.py
  
"""
ASGI config for ToDoList_Django project.
It exposes the ASGI callable as a module-level variable named ``application``.
For more information on this file, see
https://docs.djangoproject.com/en/3.1/howto/deployment/asgi/
"""

import os

from channels.routing import ProtocolTypeRouter
from django.core.asgi import get_asgi_application

os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'config.settings')

application = ProtocolTypeRouter({
    "http": get_asgi_application(),
    # Just HTTP for now. (We can add other protocols later.)
})

출처

https://channels.readthedocs.io/en/stable/tutorial/part_1.html

Tutorial Part 1: Basic Setup — Channels 3.0.3 documentation