How can I easily prefix all routes in my Flask application?

Prefixed Flask Routes: Simplifying Route Definitions

Flask is a celebrated web framework for Python. It offers developers a concise and intuitive approach to creating web applications. However, as applications grow in complexity, managing routes can become tedious.

One common task is adding a prefix to all routes. Traditionally, developers have appended a constant to each route definition, a task prone to errors and inconsistencies.

Fortunately, Flask provides a more elegant solution with blueprints. Blueprints allow developers to group related routes together, making them easier to manage.

To add a prefix to all routes using a blueprint, follow these steps:

1. Create a blueprint object:

   bp = Blueprint('burritos', __name__, template_folder='templates')

2. Define your routes within the blueprint:

   @bp.route("/")
   def index_page():
     return "This is a website about burritos"
   
   @bp.route("/about")
   def about_page():
     return "This is a website about burritos"

3. Register the blueprint with your Flask application and specify the desired prefix:

   app = Flask(__name__)
   app.register_blueprint(bp, url_prefix='/abc/123')

By following these steps, you can streamline your route definitions and ensure consistent prefixing throughout your Flask application, reducing the risk of errors and improving code readability.

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