Flask url_for

gistfile1.py

@app.route('/')
def index():
    return ""

@app.route('/<username>')
def show_user(username):
    return username

@app.route('/post/<int:post_id>')
def show_post(post_id):
    return str(post_id)

from flask import url_for

@app.route("/routes")
def routes():
    return "<br />".join([
            url_for("index"),
            url_for("show_user", username="longfin"),
            url_for("show_post", post_id=3)
            ])