A decorator used to cache a method's output in redis.

redoize.py

# -*- coding: utf-8 -*-

from functools import wraps
import redis
from flask import Flask, request
from datetime import datetime

app = Flask(__name__)

# -*- coding: utf-8 -*-

from functools import wraps
import redis
from flask import Flask, request
from datetime import datetime

app = Flask(__name__)

HOST = "localhost"
PORT = 6379

r = redis.Redis(host=HOST, port=PORT)

try:
    import simplejson as json
except ImportError:
    import json

HOST = "localhost"
PORT = 6379

r = redis.Redis(host=HOST, port=PORT)

def redoize(name, ttl, connection):
    assert isinstance(name, str)
    assert isinstance(ttl, (int, datetime))
    assert isinstance(connection, (redis.Redis, redis.StrictRedis))

    def decorated(f):
        @wraps(f)
        def wrapped(*args, **kwargs):
            response = connection.get(name)

            if not response:
                response = f(*args, **kwargs)
                connection.set(name, response.data)

                if isinstance(ttl, datetime):
                    connection.pexpireat(name, ttl)
                else:
                    connection.pexpire(name, ttl * (1000 * 60))
                return response
            return respond_with_json(json.loads(response))
        return wrapped
    return decorated

@app.route('/')
@redoize(name='test', ttl=1, connection = r)
def hello():
    return {'meta': {'api_version': 3}, 'response': {'members': [1, 2, 3, 4, 5]}}

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

@app.route('/')
@redoize(name='test', ttl=1, connection = r)
def hello():
    return "{'meta': {'api_version': 3}, 'response': {'members': [1, 2, 3, 4, 5]}}"

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