I'd like to create a decorator for Flask routes to flag certain routes as public, so I can do things like this:
@public
@app.route('/welcome')
def welcome():
return render_template('/welcome.html')
Elsewhere, here's what I was thinking the decorator and check would look like:
_public_urls = set()
def public(route_function):
# add route_function's url to _public_urls
# _public_urls.add(route_function ...?.url_rule)
def decorator(f):
return f
def requested_url_is_public():
from flask import request
return request.url_rule in _public_urls
Then when a request is made, I have a context function that checks requested_url_is_public.
I'm a bit stumped because I don't know how to get the url rule for a given function in the public decorator.
Perhaps this isn't the best design choice for Flask, but I'd expect there's another simple & elegant way to achieve this.
I've seen this patterns like this before, and would like to mimic it. For example, this is something of a counterpart to Django's login_required decorator.
I'd enjoy reading thoughts on this.
Flask already has a login_required decorator (see view decorators). If you are using public_urls to decide which urls to require authentication for, you are most likely better off using that.