flask init app with CORS support

app.py

from flask import Flask, Response
from flask.ext.cors import CORS
import os.path
import logging

def root_dir():  # pragma: no cover
    return os.path.abspath(os.path.dirname(__file__))

def get_file(filename):  # pragma: no cover
    try:
        src = os.path.join(root_dir(), filename)
        # Figure out how flask returns static files
        # Tried:
        # - render_template
        # - send_file
        # This should not be so non-obvious
        return open(src).read()
    except IOError as exc:
        return str(exc)
        
app = Flask(__name__)
CORS(app)

logging.getLogger('flask_cors').level = logging.DEBUG

@app.route("/")
def helloWorld():
    content = get_file('mbills.html')
    return Response(content, mimetype="text/html")

@app.route("/lol", methods=['GET', 'POST'])
def lol():
    return "asdfs"

if __name__ == '__main__':
    app.run(debug=True,port=8000)