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flask_boto_sqs.py
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flask_boto_sqs.py
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# -*- coding: utf-8 -*-
"""
Boto3 SQS integration for Flask
by LyuGGang (https://github.com/LyuGGang/Flask-BotoSQS)
"""
import flask
from boto3.session import Session
class FlaskBotoSQS(object):
def __init__(self, app=None, conf_key=None):
"""
:type app: flask.Flask
:parm str conf_key: Key of flask config.
"""
self.conf_key = conf_key
if app is not None:
self.init_app(app, conf_key)
def init_app(self, app, conf_key=None):
"""
:type app: flask.Flask
:parm str conf_key: Key of flask config.
"""
conf_key = conf_key or self.conf_key or 'FLASK_BOTO_SQS'
self.conf_key = conf_key
conf = app.config[conf_key]
if not isinstance(conf, dict):
raise TypeError("FLASK_BOTO_SQS conf should be dict")
close_on_teardown = conf.pop('close_on_teardown', False)
session = Session(aws_access_key_id=conf['aws_access_key_id'],
aws_secret_access_key=conf['aws_secret_access_key'],
region_name=conf['region'])
sqs = session.resource('sqs')
app.extensions.setdefault('botosqs', {})
app.extensions['botosqs'][self] = sqs
if close_on_teardown:
@app.teardown_appcontext
def close_connection(exc=None):
#TODO: close connection
pass
@property
def sqs(self):
"""
:rtype: boto3.resources.base.ServiceResource
"""
return flask.current_app.extensions['botosqs'][self]