Adding Flask-Redis to the project.

[https://pypi.python.org/pypi/Flask-Redis/0.1.0](https://pypi.python.org/pypi/Flask-Redis/0.1.0)

Initial addition as we think about redis as cache.

app/__init__.py

@@ -4,6 +4,7 @@ import os
 from flask import request, url_for, g, jsonify
 from flask import Flask, _request_ctx_stack
 from flask.ext.sqlalchemy import SQLAlchemy
+from flask.ext.redis import FlaskRedis
 from flask_marshmallow import Marshmallow
 from monotonic import monotonic
 from werkzeug.local import LocalProxy
@@ -15,7 +16,6 @@ from app.clients.sms.firetext import FiretextClient
 from app.clients.sms.loadtesting import LoadtestingClient
 from app.clients.email.aws_ses import AwsSesClient
 from app.clients.statsd.statsd_client import StatsdClient
-from app.clients.redis.redis_client import RedisClient
 from app.encryption import Encryption
 
 
@@ -31,7 +31,7 @@ mmg_client = MMGClient()
 aws_ses_client = AwsSesClient()
 encryption = Encryption()
 statsd_client = StatsdClient()
-redis_client = RedisClient()
+redis_store = FlaskRedis()
 
 clients = Clients()
 
@@ -50,7 +50,6 @@ def create_app(app_name=None):
     db.init_app(application)
     ma.init_app(application)
     statsd_client.init_app(application)
-    redis_client.init_app(application)
     logging.init_app(application, statsd_client)
     firetext_client.init_app(application, statsd_client=statsd_client)
     loadtest_client.init_app(application, statsd_client=statsd_client)
@@ -58,6 +57,7 @@ def create_app(app_name=None):
     aws_ses_client.init_app(application.config['AWS_REGION'], statsd_client=statsd_client)
     notify_celery.init_app(application)
     encryption.init_app(application)
+    redis_store.init_app(application)
     clients.init_app(sms_clients=[firetext_client, mmg_client, loadtest_client], email_clients=[aws_ses_client])
 
     register_blueprint(application)

app/clients/redis/redis_client.py

@@ -1,22 +0,0 @@
-import redis
-
-
-class RedisClient:
-    def init_app(self, app, *args, **kwargs):
-        self.active = app.config.get('REDIS_ENABLED')
-        self.redis = None
-
-        if self.active:
-            self.redis = redis.StrictRedis(
-                app.config.get('REDIS_HOST'),
-                app.config.get('REDIS_PORT')
-            )
-
-    def set(self, key, value):
-        self.redis.set(key, value)
-
-    def get(self, key):
-        return self.redis.get(key)
-
-    def incr(self, key):
-        return self.redis.incr(key)

app/notifications/rest.py

@@ -44,7 +44,6 @@ from app.errors import (
     InvalidRequest
 )
 
-from app import redis_client
 
 register_errors(notifications)
 
@@ -206,9 +205,6 @@ def get_notification_statistics_for_day():
 
 @notifications.route('/notifications/<string:notification_type>', methods=['POST'])
 def send_notification(notification_type):
-
-    current_app.logger.info(redis_client.incr(api_user.service_id))
-
     if notification_type not in ['sms', 'email']:
         assert False
 

config.py

@@ -133,8 +133,7 @@ class Config(object):
     STATSD_PORT = 8125
 
     REDIS_ENABLED = True
-    REDIS_HOST = "localhost"
-    REDIS_PORT = 6379
+    REDIS_URL = "redis://localhost:6379/0"
 
     SENDING_NOTIFICATIONS_TIMEOUT_PERIOD = 259200
 

requirements.txt

@@ -18,7 +18,7 @@ celery==3.1.23
 monotonic==1.2
 statsd==3.2.1
 jsonschema==2.5.1
-redis==2.10.5
+Flask-Redis==0.1.0
 
 git+https://github.com/alphagov/notifications-python-client.git@1.3.0#egg=notifications-python-client==1.3.0