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You're reading from  Full-Stack Flask and React

Product typeBook
Published inOct 2023
Reading LevelIntermediate
PublisherPackt
ISBN-139781803248448
Edition1st Edition
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Author (1)
Olatunde Adedeji
Olatunde Adedeji
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Olatunde Adedeji

Olatunde Adedeji is a seasoned web developer with over 15 years of experience in developing dynamic and detail-oriented enterprise web applications. Along with his extensive experience in developing, maintaining and supporting mobile, web and enterprise applications in Python, Go and JavaScript, Olatunde has consistently delivered excellent services, as team lead, team member or in consultancy capacity. Olatunde is proficient in application design and solution blueprinting; including mastery of application development tools such as: Flask, Django, Gin, React, and NodeJS. When not weaving the web and playing chess, Olatunde spends time with his wife, Adedoyin and two daughters, Mitchelle and Mabel.
Read more about Olatunde Adedeji

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Creating custom error pages

In addition to error handlers in Flask, you can also create custom error pages that provide a better user experience. When an error occurs in your application, the error handler can return a custom error page with information about the error, instructions for resolving the issue, or any other content that may be appropriate.

To create a custom error page in Flask, simply create an error handler as described in the preceding section and return a JSON response that contains the content for the error page.

For instance, let’s take a look at the JSON response containing a custom error message in the following code:

@app.errorhandler(404)def not_found(error):
    return jsonify({'error': 'Not found'}), 404

The preceding code returns a JSON response containing an error message, along with the corresponding HTTP error codes, when a 404 error occurs. Let’s define the React frontend to handle the UI...

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Full-Stack Flask and React
Published in: Oct 2023Publisher: PacktISBN-13: 9781803248448

Author (1)

author image
Olatunde Adedeji

Olatunde Adedeji is a seasoned web developer with over 15 years of experience in developing dynamic and detail-oriented enterprise web applications. Along with his extensive experience in developing, maintaining and supporting mobile, web and enterprise applications in Python, Go and JavaScript, Olatunde has consistently delivered excellent services, as team lead, team member or in consultancy capacity. Olatunde is proficient in application design and solution blueprinting; including mastery of application development tools such as: Flask, Django, Gin, React, and NodeJS. When not weaving the web and playing chess, Olatunde spends time with his wife, Adedoyin and two daughters, Mitchelle and Mabel.
Read more about Olatunde Adedeji