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More robust HTTP backend in case Redis wasn't configured

This commit is contained in:
Fabio Manganiello 2018-07-20 11:13:44 +02:00
parent bc895dd984
commit 0b4cfec8e7
1 changed files with 12 additions and 4 deletions
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16
platypush/backend/http/__init__.py
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@ -112,8 +112,8 @@ class HttpBackend(Backend):
self.disable_websocket = disable_websocket
self.websocket_thread = None
self.redis_thread = None
self.redis = None
self.active_websockets = set()
self.redis = self._get_redis()
def _get_redis(self):
@ -142,7 +142,8 @@ class HttpBackend(Backend):
thread_id=self.redis_thread.ident)
redis = self._get_redis()
redis.rpush(self.redis_queue, stop_evt)
if redis:
redis.rpush(self.redis_queue, stop_evt)
if self.server_proc:
self.server_proc.terminate()
@ -169,6 +170,9 @@ class HttpBackend(Backend):
while True:
redis = self._get_redis()
if not redis:
continue
msg = redis.blpop(self.redis_queue)
msg = Message.build(json.loads(msg[1].decode('utf-8')))
@ -243,7 +247,8 @@ class HttpBackend(Backend):
return str(response)
elif isinstance(msg, Event):
redis = self._get_redis()
redis.rpush(self.redis_queue, msg)
if redis:
redis.rpush(self.redis_queue, msg)
return jsonify({ 'status': 'ok' })
@ -276,7 +281,8 @@ class HttpBackend(Backend):
widget=widget, **(json.loads(http_request.data.decode('utf-8'))))
redis = self._get_redis()
redis.rpush(self.redis_queue, event)
if redis:
redis.rpush(self.redis_queue, event)
return jsonify({ 'status': 'ok' })
@app.route('/static/<path>', methods=['GET'])
@ -392,6 +398,8 @@ class HttpBackend(Backend):
def run(self):
super().run()
os.putenv('FLASK_APP', 'platypush')
os.putenv('FLASK_ENV', 'development')
self.logger.info('Initialized HTTP backend on port {}'.format(self.port))
webserver = self.webserver()