import os

import re

import rollbar

import rollbar.contrib.flask

from flask import Flask, render_template, Response

from flask import got_request_exception

from werkzeug.exceptions import NotFound

app = Flask(__name__)

MIN_PAGE_NAME_LENGTH = 2

@app.before_first_request

def add_monitoring():

rollbar.init(os.environ.get('ROLLBAR_SECRET'))

## delete the next line if you dont want this event anymore

rollbar.report_message('Rollbar is configured correctly')

got_request_exception.connect(rollbar.contrib.flask.report_exception, app)

@app.route("/<string:page>/")

def show_page(page):

try:

valid_length = len(page) >= MIN_PAGE_NAME_LENGTH

valid_name = re.match('^[a-z]+$', page.lower()) is not None

if valid_length and valid_name:

return render_template("{}.html".format(page))

else:

msg = "Sorry, couldn't find page with name {}".format(page)

raise NotFound(msg)

except:

rollbar.report_exc_info()

return Response("404 Not Found")

if __name__ == "__main__":

app.run(debug=True)