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Push — master ( 48c94d...019fe1 )
by Andrew
01:07
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new_read()   A

↳ Parent: Project

Complexity

Conditions 2

Size

Total Lines 7

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 2
c 1
b 0
f 0
dl 0
loc 7
rs 9.4285
1 
import logging
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import redis

            


            
                                                                                                            
                            
            
                                    
            
            

                
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import tornadoredis

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from chat.settings import ALL_REDIS_ROOM

            


            
                                                                                                            
                            
            
                                    
            
            

                
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logger = logging.getLogger(__name__)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def new_read(instance, *args, **kwargs):

            


            
                                                                        
                            
            
                                    
            
            

                
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	try:

            


            
                                                                        
                            
            
                                    
            
            

                
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		return instance.old_read(*args, **kwargs)

            


            
                                                                        
                            
            
                                    
            
            

                
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	except Exception as e:

            


            
                                                                        
                            
            
                                    
            
            

                
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		redis_online = sync_redis.hgetall(ALL_REDIS_ROOM)

            


            
                                                                        
                            
            
                                    
            
            

                
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		logger.error("Error occurred during reading tornadoredis connection. Redis online  %s", redis_online)

            


            
                                                                        
                            
            
                                    
            
            

                
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		raise e

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def patch(tornado_redis):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	fabric = type(tornado_redis.connection.read)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	tornado_redis.connection.old_read = tornado_redis.connection.read

            


            
                                                                                                            
                            
            
                                    
            
            

                
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	tornado_redis.connection.read = fabric(new_read, tornado_redis.connection)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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# # global connection to read synchronously

            


            
                                                                                                            
                            
            
                                    
            
            

                
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sync_redis = redis.StrictRedis()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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# patch(sync_redis)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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# Redis connection cannot be shared between publishers and subscribers.

            


            
                                                                                                            
                            
            
                                    
            
            

                
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async_redis_publisher = tornadoredis.Client()

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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patch(async_redis_publisher)

            


            
                                                        
            
                                    
            
            

                
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async_redis_publisher.connect()