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@@ -33,6 +33,9 @@ class MessageQueue:
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self.connection = None
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self.channel = None
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+ self.name = self.__class__.__name__.lower() if 'name' not in params else 'wtf'
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+
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+
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self.credentials= pika.PlainCredentials('guest','guest')
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if 'username' in params :
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self.credentials = pika.PlainCredentials(
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@@ -57,6 +60,8 @@ class MessageQueue:
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resp = self.connection is not None and self.connection.is_open
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self.close()
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return resp
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+ def finalize(self):
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+ pass
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def close(self):
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if self.connection.is_closed == False :
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self.channel.close()
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@@ -81,12 +86,13 @@ class QueueWriter(MessageQueue,Writer):
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- """
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+
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+ def write(self,data,_type='text/plain'):
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+ """
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This function writes a stream of data to the a given queue
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@param object object to be written (will be converted to JSON)
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@TODO: make this less chatty
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- """
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- def write(self,data,_type='text/plain'):
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+ """
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# xchar = None
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# if 'xchar' in params:
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# xchar = params['xchar']
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@@ -207,11 +213,14 @@ class QueueReader(MessageQueue,Reader):
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# r[qid].append( self.data)
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return self.data
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-class QueueListener(QueueReader):
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+class QueueListener(MessageQueue):
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"""
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This class is designed to have an active listener (worker) against a specified Exchange/Queue
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It is initialized as would any other object and will require a callback function to address the objects returned.
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"""
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+ def __init__(self,**args):
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+ MessageQueue.__init__(self,**args)
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+ self.listen = self.read
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# def init(self,qid):
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# properties = pika.ConnectionParameters(host=self.host)
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# self.connection = pika.BlockingConnection(properties)
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@@ -222,11 +231,18 @@ class QueueListener(QueueReader):
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# self.channel.queue_bind(exchange=self.exchange,queue=self.info.method.queue,routing_key=qid)
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#self.callback = callback
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+
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+ def finalize(self,channel,ExceptionReason):
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+ pass
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+
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def callback(self,channel,method,header,stream) :
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raise Exception("....")
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def read(self):
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self.init(self.queue)
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+
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self.channel.basic_consume(self.queue,self.callback,auto_ack=True);
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self.channel.start_consuming()
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+
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+
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