A must-read for beginners: How to choose the appropriate Django version according to your needs?

For beginners, choosing the appropriate Django version is an important issue that must be faced. As an efficient web framework, Django has a large number of users and developers, so it also has multiple versions to meet the needs of different products and applications. But how do you choose the right Django version based on your project needs? Below we will use some examples to help you choose the version that suits you.

1. Confirm the database used

Django supports multiple databases, including MySQL, PostgreSQL, SQLite, etc. When choosing a Django version, you need to first determine the database used for development. Different databases have different support, which will also affect the choice of Django version.

For MySQL and PostgreSQL databases, it is best to choose Django 2.2 or above. And if you are using SQLite, you can choose a lower version of Django (for example, Django 1.x version).

2. Do I need to support Python3?

As Python3 becomes more and more mature, Python2 has gradually withdrawn from the stage of history. Therefore, when choosing a Django version, you need to first determine whether you need to support Python3.

If you need to support Python3, choose Django 2.x and above. If you don't need Python3 support, you can choose an older Django 1.x version. Please note that Django version 1.7 is the last version to support Python2.

3. What new features do you need?

Each version of Django has some new features and improvements, such as django-rest-framework, django-filter and django-debug-toolbar. If new features are what you need, choose a version that supports them.

For example, if you want to use django-rest-framework to build a RESTful API, then you need to select Django version 2.2 or above. If you want to use django-filter to implement the filter function, you need to choose Django 1.8 and above.

4. Need a more secure version?

If you are developing an application that requires higher security (such as banking or financial services), then you should choose a higher Django version as they usually contain more security upgrades and Patches.

For example, if you want to build an e-commerce website with higher security, then you should choose Django 2.2 or above because it has stricter security upgrades.

The above are several factors to consider when choosing a Django version. Of course, sometimes there are special needs and a different version needs to be chosen. So how do you know which version is best for you? Let's take a look at the following specific examples.

Example 1: Need to support Python3 and above, and use MySQL as database storage.

In this case, the appropriate Django version would be Django 2.2 and above. This version supports MySQL and Python3, which just meets the needs.

Example 2: You need to use the PostgreSQL database in a Python3.x environment, and want to add RESTful API support to the program.

In this case, the appropriate Django version would be Django 3.0 or above. This version runs well in Python3.x environment and supports PostgreSQL database. In addition, Django 3.0 version adds support for RESTful API, which is very suitable for this need.

Example 3: You need to use a SQLite database in a Python2.x environment, and you want to use django-debug-toolbar to improve debugging efficiency.

In this case, the appropriate Django version would be Django 1.11. This version supports Python2.x and SQLite databases, and has full debug-toolbar support, which is exactly what is needed.

In summary, choosing the appropriate Django version is a question that requires careful consideration. The selection needs to be made based on project needs and special requirements. I hope that through the above examples, beginners can better understand how to choose the appropriate Django version.

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