Test flask cache concurrency.

test_flask_cache_ concurrency.py

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

import sys
import time
from datetime import datetime

from flask import Flask
from flask.ext.cache import Cache

cache = Cache()

app = Flask(__name__)
app.config.update({
    'CACHE_TYPE': 'redis',
})
cache.init_app(app)

@cache.memoize(10)
def get_time():
    now = datetime.now()
    print 'Generating...: {}'.format(datetime.now())
    time.sleep(5)
    print 'Generated!   : {}'.format(datetime.now())
    return now

@app.route('/')
def index():
    return '{} @ {}'.format(str(get_time()), datetime.now())

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=int(sys.argv[1]), debug=True)