How do different web frameworks handle errors?

How do different web frameworks handle errors?

Different web frameworks have various approaches to error handling. For instance, Express.js uses middleware to catch errors, while Django has built-in error views. What specific framework are you interested in?

I'm curious about how Flask manages errors.

Flask uses error handlers that can be defined for specific error codes. You can create custom error pages by using the @app.errorhandler decorator. Would you like to see an example?

Yes, please provide an example of a custom error handler in Flask.

Sure! Here’s a simple example:

@app.errorhandler(404)
def not_found(e):
    return render_template('404.html'), 404

This will render a custom 404 page when a page is not found.

That’s helpful! How about error logging in web frameworks?

Most frameworks provide logging capabilities. For example, Flask can integrate with Python's built-in logging module to log errors. Would you like to know more about configuring logging?