Complete Guide: Finding Django's Version

Complete list of Django version query methods, specific code examples are required

Overview:
Django is an open source web application framework that is widely used on the Web development. It is simple, flexible, and efficient, and can help developers quickly build powerful web applications. For developers, it is very important to understand the Django version currently used and the related query methods. This article will introduce in detail the method of Django version query and give specific code examples to help readers better apply the Django framework.

1. Check the Django version number:
   In the Django development environment, it is the most basic requirement to check the Django version currently in use. Here are several ways to query the Django version number:

Method 1: Use the command line
to open the terminal (or command prompt) and enter the following command:

python -m django --version

Method Two: Query in the Django project code
You can directly check the Django version number in the project's settings.py file:

import django
print(django.get_version())

2. Check whether the Django version meets the requirements:
   In some cases, we need to detect whether the Django version being used meets certain requirements. The following is a simple code example:

import django
from django.core.exceptions import ImproperlyConfigured

REQUIRED_DJANGO_VERSION = '2.2'

if django.VERSION < tuple(REQUIRED_DJANGO_VERSION.split('.')):
    raise ImproperlyConfigured(
        f"Your Django version({django.get_version()}) is not compatible. "
        f"Please install Django {REQUIRED_DJANGO_VERSION} or newer."
    )

This code will compare the currently used Django version with the required version. If it is lower than the required version, an exception will be thrown and prompted to install a new Django version.

3. Query the detailed information of Django version:
   In addition to querying the Django version number, we can also obtain more detailed version information, such as Django's release date, supported Python versions, etc. The following is a code example:

import django

print(f"Django version: {django.get_version()}")
print(f"Release date: {django.__date__}")
print(f"Python version supported: {django.VERSION[0]}.{django.VERSION[1]}")

This code will output the currently used Django version number, release date, and supported Python version.

4. Query the major version number of Django:
   In some cases, we only care about the major version number of Django (that is, the first number). You can use the following method to query:

import django

major_version = django.VERSION[0]
print(f"Major Django version: {major_version}")

Summary:
Through the above code example, we can easily query the version number of Django and verify whether the version meets the requirements. In addition, we can also get more version information, which is very helpful for developing and maintaining Django projects. I hope this article can help readers better apply the Django framework and develop excellent web applications.

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