cached_json_server.py

import json

from flask import request, url_for
from flask.ext.api import FlaskAPI, status, exceptions
from werkzeug.contrib.cache import SimpleCache

app = FlaskAPI(__name__)
cache = SimpleCache()


def get_data():
    data = cache.get('json')
    if data is None:
        with open('linkdump.json', 'r') as f:
            data = json.load(f)    
        cache.set('json', data, timeout=30 * 60)
    return data


@app.route("/", methods=['GET'])
def index():
    return get_data()


if __name__ == "__main__":
    app.run(debug=True)