Explain how to check Django's version number

How to obtain Django version information and code examples

Django is an open source web application framework written in Python and is widely used in web development. When using Django to develop projects, we often need to obtain Django version information in order to understand the framework version currently used and ensure project and version compatibility. This article will introduce in detail how to obtain Django version information and provide specific code examples.

There are many ways to obtain Django version information, which will be introduced one by one below in the form of code examples.

Method 1: Use the VERSION attribute of the django module

Django’s built-in django module provides a convenient way to obtain Django version information. You can get Django version information by importing the django module and accessing its VERSION attribute.

import django

# 获取Django版本信息
version = django.VERSION

print(version)  # 输出(3, 2, 4, 'final', 0)

In the above example, django.VERSION returns a tuple containing Django version information. The tuple contains the major version number, minor version number, revision number, version status and version number.

Method 2: Use the get_version() function

Django’s version information can also be obtained by using the built-in get_version() function. This function returns a string representing the Django version.

import django

# 获取Django版本字符串
version_str = django.get_version()

print(version_str)  # 输出3.2.4

Method 3: View the metadata file of the Django package

Django version information can also be obtained by viewing the metadata file of the Django package. In the root directory of the Django package, you can find a file named __version__.py. We can get Django version information by reading this file.

# 读取Django版本信息文件
with open('django/__version__.py') as f:
    # 使用exec函数执行文件中的Python代码
    exec(f.read())

print(__version__)  # 输出3.2.4

The above code obtains Django version information by using the exec() function to execute the Python code in the metadata file and output the __version__ variable.

To sum up, the above are three common methods to obtain Django version information. You can choose any of these methods to obtain Django version information according to actual needs. This will help us better understand Django versions so we can make appropriate development and debugging decisions.

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