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import redis
from redis.connection import Connection, SSLConnection
redis_client = redis.Redis()
def init_app(app):
connection_class = Connection
if app.config.get('REDIS_USE_SSL', False):
connection_class = SSLConnection
redis_client.connection_pool = redis.ConnectionPool(**{
'host': app.config.get('REDIS_HOST', 'localhost'),
'port': app.config.get('REDIS_PORT', 6379),
'username': app.config.get('REDIS_USERNAME', None),
'password': app.config.get('REDIS_PASSWORD', None),
'db': app.config.get('REDIS_DB', 0),
'encoding': 'utf-8',
'encoding_errors': 'strict',
'decode_responses': False
}, connection_class=connection_class)
app.extensions['redis'] = redis_client
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