Add a prefix to all Flask routes

Question

I have a prefix that I want to add to every route. Right now I add a constant to the route at every definition. Is there a way to do this automatically?

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Answer 1

For people still struggling with this, the first example does work, but the full example is here if you have a Flask app that is not under your control:

from os import getenv
from werkzeug.middleware.dispatcher import DispatcherMiddleware
from werkzeug.serving import run_simple
from custom_app import app

application = DispatcherMiddleware(
    app, {getenv("REBROW_BASEURL", "/rebrow"): app}
)

if __name__ == "__main__":
    run_simple(
        "0.0.0.0",
        int(getenv("REBROW_PORT", "5001")),
        application,
        use_debugger=False,
        threaded=True,
    )