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Creating a Web Chat Service with Python/Django (Feat. Channels) - Basics

Name: Creating a Web Chat Service with Python/Django (Feat. Channels) - Basics
Price: 41250 KRW
Rating: 4.7 (17 reviews)

The Channels library is a real-time messaging library developed under the philosophy of Django. Quickly learn the essence of Channels through this lecture.

(4.7) 17 reviews

322 learners

pyhub

파이썬

장고

django

Python

Django

django-channels

Reviews from Early Learners

What you will gain after the course

Distributed messaging and websocket processing using Django Channels
Understanding WebSocket Communication
Real-time web chat service

Life is short. Even in real-time web service development, with Django/Channels,
Run your business successfully and save time . 💪

Take the course and get a PyCharm Professional coupon! 🎫

We've received a 6-month coupon from JetBrains for PyCharm Professional (paid tool), the optimal IDE for Django development, so you can continue using it after the course. After completing the course, please apply using the method below.

During the lecture, you will use a 1-month trial license for PyCharm Professional.
Even if you are not a regular student, if you have registered for the course, you can apply for a coupon through the Google form below.
1. Application link: https://forms.gle/mvDwLQmaCz4Z2vQD9
We will check your application details by Friday every week and send you a coupon to the email address you provided.
Please register any coupons you receive immediately. Failure to do so will result in you no longer receiving license support from JetBrains.
Coupon applications can only be made once per person per class .
Tip: After using this coupon, you can continue to subscribe to JetBrains at a discounted price using the same account.

Note: Students and teachers can receive a one-year license for all JetBrains tools through the JetBrains Student Support Program . Once you apply for the program, you'll receive your license within a few days.

Lecture Topics 📖

Channels is a library that is consistently mentioned as a core Django library, even overseas. Released as version 1.0 in 2017, it is a mature library, reaching version 4.0 in November 2022.

Knowing Channels allows you to add real-time functionality to web services with a minimal amount of code. However, it's unfortunate that so many people are unaware of Channels and lack access to resources, making this difficult. Therefore, I've diligently developed this course to help many people learn real-time web development more easily.

The Channels library inherits the philosophy of the highly productive Django framework. It helps reduce repetition and focus on the core. Let's properly understand the Channels library and learn how to build a highly productive real-time websocket chat service based on Channels.

By taking this course, you will gain a deep understanding of Channels and be able to quickly build real-time web services with Django's high productivity .

📢 Please note before taking the class.

Korean subtitles are available for the latter 60% of the uploaded lecture videos, and Korean subtitles for the first 40% are currently being worked on. The remaining subtitles are scheduled to be completed by December 2022.
As of Friday, December 23, 2022, all subtitle work has been completed.

I recommend this to these people 🙋

After learning the basics of Django
Those looking for a new challenge

On a static web page
For those who want to feel energized

Real-time chat service
Anyone who wants to make it

Learn channels
For those who want to understand deeply

Lecture Features ✨

A true Djangoholic developer
A lecture that only extracts the core of the channel

Step by step from the basics
Stacking WebSocket Communication

Lecture slides
PDF provided

All lectures with Korean subtitles
Quickly grasp the lecture content!

Rich WebSocket examples :
Echo messages, live blogs, and web chat

What you'll learn 📚

1. Channels Main Components

Let's summarize the core concepts of channels.

2. (Practice) Super-simple Echo WebSocket Implementation

By implementing Echo WebSocket with Channels, we open the prelude to learning about the Channels chat service.

3. (Practice) Sending and Receiving JS Objects via WebSocket

All communication requires serialization and deserialization. We'll examine common mistakes made during serialization in JS and explore JSON serialization and deserialization methods in WebSocket clients and channels.

4. Running and connecting to the Redis server

We'll explore how to integrate Redis Enterprise Cloud's Free Plan into a Django project, exploring how to register Redis account information as environment variables and efficiently retrieve and process it in Django. Finally, we'll review the command to run a Redis server with Docker.

5. Interprocess communication using the channel layer

Channels supports inter-process communication through the Channel Layer. Let's examine the types of backends supported by the Channel Layer and summarize its core APIs.

6. (Practice) Web Socket Liveblog

Let's create a live blog service that responds in real time to server-side blog post additions, edits, and deletions without refreshing the webpage. You'll experience the simple yet powerful power of Django Channels.

7. Data types that can be transmitted to the channel layer

Serialization and deserialization are essential in all communication. We'll examine the serialization methods used in communication with the channel layer and delve into the serialization constraints imposed by the channel layer.

8. WebSocket Reconnection

Networks can be disconnected at any time. Even WebSockets, which require persistent connections, can experience disconnections at any time. Let's look at two ways to handle WebSocket reconnections.

9. Inheritance relationship of Consumer class

In Channels, the subject of request processing is the Consumer. Let's examine the inheritance relationship of the Consumer class provided by Channels and examine each role in detail.

10. Creating a Real-World Chat Service

As a core part of this course, we will create a chat service using Django Channels effectively.

11. Security

Channels supports two middlewares to defend against WebSocket CSRF attacks, a security feature. Let's look at an example of a CSRF attack and learn more about how to configure the two middlewares.

Expected Questions Q&A 💬

Q. Are there any environment requirements or other precautions I need to take before taking the course?

As mentioned in this lecture, we will not cover setting up a development environment. For more information , please refer to the "Preview" section of " Introduction to Python/Django: Starting with Django Design Philosophy ."

To install and run Redis, you'll need a computer with Docker installed. If you can't install Docker, don't worry. We'll show you how to use the managed Redis service in Redis Enterprise Cloud on redis.com with the Free Plan.

Q. What can I do after learning the contents of this lecture?

With Django, you can develop real-time web services with high productivity.

Introducing the Knowledge Sharer ✒️

I am Jinseok Lee , a software developer who is passionate about Python and Django.

Python addict, Django developer with 16 years of practical experience
Operator of Ask Company with Django/React (formerly Ask Django), a Q&A community for Django users
Microsoft Azure MVP Award Winner (2016-2021, What is a Microsoft MVP? )
Seoul National University, Joint Major in Venture Management, Python/Django lecturer, "Venture Startup Web Programming" (2016/2017)
Fast Campus, Web Service Development Camp (Python/Django) 3rd Instructor (2015)
Lectures and consulting at numerous universities and companies: Seoul National University, KAIST, Pusan National University, Hanyang University, Kookmin University, Samsung Electronics, LG Electronics, LS Group, SK Planet, Encore, KB Securities, SK Telink, Hyundai Motor Group Innocean, Koscom, Naver NIT Service, Art Center Nabi, Bank of Korea, Korea Institute of Industrial Technology Evaluation and Planning, etc.

Recommended for
these people

Who is this course right for?

Those who have learned the basics of Django and are looking for a new challenge
Anyone who wants to quickly learn real-time web service development

Need to know before starting?

Python Language Fundamentals (Functions, Classes, Decorators)
Django Basics (Understanding Views, Models, and Templates)
Front-end basics (HTML, CSS, JS basic grammar)

Hello
This is

3,066

Learners

144

Reviews

933

Answers

4.7

Rating

Courses

파이썬과 장고에 진심인 소프트웨어 개발자

파이썬/장고 질답 및 교육서비스, 파이썬 사랑방 주인장
파이썬 사랑방 with Django/React 커뮤니티 (구. Ask Django) 운영자
(전) Microsoft Azure MVP 어워드 수상 (2016년~2022년)

대외 활동

오프라인 교육 : SK텔링크, LS그룹, 삼성 디스플레이, 부산대학교 정보화본부, 서울대학교 벤처경영학연합전공, 패스트캠퍼스 웹서비스 개발 캠프 3기 등
기술 자문 : 유클리드소프트, 부산대학교, 한국산업기술평가관리원, 한국방송통신전파진흥원 등

여러분의 파이썬/장고/리액트 페이스메이커가 되겠습니다. 😉

Curriculum

All

23 lectures ∙ (2hr 24min)

Course Materials:

Lecture resources

Section 1. Introduction to the course

2 lectures ∙ (6min)

1. Overview
06:47
2. Download the entire lecture material PDF

Section 2. Get started

10 lectures ∙ (1hr 1min)

3. Create a project and run the ASGI development server
06:48
4. Channels Key Components
03:41
5. (Practice) Super simple Echo websocket implementation
07:32
6. (Practice) JS Object WebSocket Sending and Receiving
02:54
7. Running and connecting to the Redis server
08:21
8. Interprocess communication using channel layers
04:03
9. (Practice) WebSocket Liveblog
17:45
10. Data types that can be transmitted to the channel layer
02:39
11. Websocket reconnection
03:56
12. Inheritance relationship of Consumer class
03:36

Section 3. Creating a real-life chat service

8 lectures ∙ (1hr 7min)

13. Implementing a lobby chat page
07:40
14. Group chat via square group
06:51
15. Group chat by chat room
10:26
16. View the list of chat rooms in the waiting room
00:53
17. Only logged in users are allowed to join the chat room
12:52
18. Style your message differently
02:03
19. Implementing chat room deletion
10:33
20. Display the list of chat room participants
16:33

Section 4. security

2 lectures ∙ (8min)

Section 5. What if you implemented additional chat?

1 lectures

Published:

Last updated:

Reviews

All

17 reviews

4.7

17 reviews

powudt9327
Reviews 4
∙
Average Rating 2.8
3
100% enrolled
There is only an explanation of function development, but it lacks an explanation of the principles used in developing the function. It would be a good lecture if you want to create a chat room, but it seems difficult to understand channels.
hoosiki
Reviews 4
∙
Average Rating 4.0
5
100% enrolled
I've looked for videos and lectures related to Django Channels, but I haven't found any lectures as helpful as this one. The content covers a lot and moves quickly, so you can't let your mind wander even for a moment, making it hard to watch in a relaxed state. However, it's been extremely helpful because it teaches the necessary feature implementations for WebSocket authentication and building actual chat services. While these might be issues you could resolve through direct implementation using searches or ChatGPT, there's a lot of content that's good to know in advance.
n03192295687ungi2614
Reviews 3
∙
Average Rating 5.0
5
30% enrolled
kdh43038382
Reviews 5
∙
Average Rating 4.0
4
78% enrolled
linsay0703576
Reviews 14
∙
Average Rating 4.9
5
57% enrolled
It's a very interesting lecture to listen to after completing the Django basic lecture. This lecture is older, so there are differences in versions, but it's also fun to fix errors one by one for the latest version. It's fun!

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Creating a Web Chat Service with Python/Django (Feat. Channels) - Basics

Reviews from Early Learners

What you will gain after the course

Take the course and get a PyCharm Professional coupon! 🎫

Lecture Topics 📖

I recommend this to these people 🙋

Lecture Features ✨

What you'll learn 📚

Expected Questions Q&A 💬

Introducing the Knowledge Sharer ✒️

Recommended for these people

HelloThis is .css-1q3zd4q{text-decoration-line:underline;text-underline-position:under;text-underline-offset:1px;}

Curriculum

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