main.py

"""`main` is the top level module for your Flask application."""

# Imports
import os
import jinja2
import webapp2
import logging

JINJA_ENVIRONMENT = jinja2.Environment(
    loader=jinja2.FileSystemLoader(os.path.dirname(__file__)),
    extensions=['jinja2.ext.autoescape'],
    autoescape=True)

# Import the Flask Framework
from flask import Flask, request
app = Flask(__name__)

# Note: We don't need to call run() since our application is embedded within
# the App Engine WSGI application server.

@app.route('/')
def index():
    template = JINJA_ENVIRONMENT.get_template('templates/index.html')

    # render the web page with the data 
    return template.render()

    
@app.route('/about')
def about():
    template = JINJA_ENVIRONMENT.get_template('templates/about.html')
    return template.render()

@app.errorhandler(404)
def page_not_found(e):
    """Return a custom 404 error."""
    return 'Sorry, Nothing at this URL.', 404


@app.errorhandler(500)
def application_error(e):
    """Return a custom 500 error."""
    return 'Sorry, unexpected error: {}'.format(e), 500