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How to use Python to develop multi-language support functions of CMS systems

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Aug 05, 2023 pm 08:15 PM

pythoncms systemMulti-language support

How to use Python to develop the multi-language support function of the CMS system

In the globalized Internet era, multi-language support has become one of the indispensable functions in network applications. In order to meet the needs of users in different languages, it is crucial to develop a CMS system with multi-language support. In this article, we will use Python language to develop a CMS system with multi-language support and provide relevant code examples.

Preliminary preparation

Before starting development, we need to install the Python development environment and related dependent libraries. You can download the latest version of Python from the official website and use pip to install the two libraries Flask and Flask-Babel, which will play an important role in our CMS system.

Create a Flask application

First, we need to create a Flask application and define some necessary routing and view functions. The following is a simple example:

from flask import Flask, render_template

app = Flask(__name__)

@app.route('/')
def index():
    return render_template('index.html')

In this example, we define a view function named index to handle requests for the home page and return a template named index.html.

Configuring multi-language support

In order to achieve multi-language support, we need to configure the Flask-Babel library in the Flask application. The configuration method is as follows:

from flask_babel import Babel

babel = Babel(app)

@babel.localeselector
def get_locale():
    return request.accept_languages.best_match(['en', 'zh'])

In this example, we use the Flask-Babel library and define a function called get_locale to determine the user's preferred language. By default, this function selects the best matching language based on the user's browser settings. In this example, we specified two languages: English and Chinese.

Internationalization and Localization

In order to achieve multi-language translation, we need to use specific functions in the code to translate text into different languages. The following is a simple example:

from flask_babel import gettext

msg = gettext('Welcome to our website!')

@app.route('/')
def index():
    return render_template('index.html', message=msg)

In this example, we use the gettext function provided by the Flask-Babel library to translate text. In the template, we can display the translated text by using {{ message|safe }}.

Create multi-language templates

In order to achieve multi-language support, we also need to create multi-language templates for page display in different languages. Here is an example:

<!DOCTYPE html>
<html>
<head>
    <title>My CMS</title>
</head>
<body>
    <h1 id="Welcome-to-our-website">{{ _('Welcome to our website!') }}</h1>
</body>
</html>

In this example, we use the _ function provided by the Flask-Babel library to translate text. In the page, we use {{ _('Welcome to our website!') }} to mark the text that needs to be translated.

Run the application

After completing the above steps, we can check the effect by running the application. Enter the following command at the command line to start the application:

$ python app.py

Next, we can view the application by opening a browser and visiting http://localhost:5000. Based on the browser's preferred language setting, our app will display the corresponding page content.

Summary

By using the Python language and related libraries, we can easily develop a CMS system with multi-language support. In this article, we learned how to configure the Flask-Babel library and use the gettext function and the _ function to implement text translation. Through these steps, we can provide a friendly interface for users in different languages and improve the user experience. I believe that the sample code provided in this article will be helpful to your development work.

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