server.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

#       _                              
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#    __| |_ __ ___  __ _ _ __ ___  ___ 
#   / _` | '__/ _ \/ _` | '_ ` _ \/ __|
#  | (_| | | |  __/ (_| | | | | | \__ \
#   \__,_|_|  \___|\__,_|_| |_| |_|___/ .
#
# A 'Fog Creek'–inspired demo by Kenneth Reitz™

import json
import random
import os
from flask import Flask, request, render_template, jsonify

import excuses as e

# Support for gomix's 'front-end' and 'back-end' UI.
app = Flask(__name__, static_folder='public', template_folder='views')

# Set the app secret key from the secret environment variables.
app.secret = os.environ.get('SECRET')

# Dream database. Store dreams in memory for now. 
DREAMS = ['Python. Python, everywhere.']

f = open("words.json", "r")
words = json.load(f)
f.close()

@app.after_request
def apply_kr_hello(response):
    """Adds some headers to all responses."""
  
    # Made by Kenneth Reitz. 
    if 'MADE_BY' in os.environ:
        response.headers["X-Was-Here"] = os.environ.get('MADE_BY')
    
    # Powered by Flask. 
    response.headers["X-Powered-By"] = os.environ.get('POWERED_BY')
    return response


@app.route('/')
def homepage():
    """Displays the homepage."""
    return render_template('index.html')
    
@app.route('/dreams', methods=['GET', 'POST'])
def dreams():
    """Simple API endpoint for dreams. 
    In memory, ephemeral, like real dreams.
    """
  
    # Add a dream to the in-memory database, if given. 
    if 'dream' in request.args:
        DREAMS.append(request.args['dream'])
    
    # Return the list of remembered dreams. 
    return jsonify(DREAMS)

@app.route('/excuses')
def excuses():
    if random.random() < 0.001:
        return "I'm in bed in my pyjamas."
    scheme = e.choose_scheme(words)
    return e.excuse_from_scheme(scheme, words)

if __name__ == '__main__':
    app.run(debug=True, host='0.0.0.0', port=int(os.environ.get('PORT', 5000)))