flask custom a context

flask-context.py

import datetime
import arrow
from flask import Flask, request, current_app
from werkzeug.test import EnvironBuilder


app = Flask(__name__)

@app.route
def inedx():
    return 'index'


# request context
ctx = app.request_context(EnvironBuilder('/','http://localhost/').get_environ())
ctx.push()
try:
    print(request.url)
finally:
    ctx.pop()


# or less code
with app.request_context(EnvironBuilder('/','http://localhost/').get_environ()) as ctx:
    print(request.url)
    
    
# app context
with app.app_context():
    print(current_app.name)