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Woof

Persistent messaging at scale

Introduction

Persistent messaging library which offers various flavors of messaging; optimizing for throughput, latency etc

Currently there is support for paritioned , persistent queues which use Apache Kafka as the backend. Future work will include low-latency messaging.

Installation

  • Install requirements for woof.
pip install -r requirements.txt
  • Install woof package
python setup.py install

Sample Usage

Producer

import sys
import os
import logging
from woof.producer import FeedProducer

fp = FeedProducer(server)
msg = "this"
fp.send(topic, " [MY MESSAGE] %s" %(msg))

Consumer

import time, sys, logging, os
from woof.consumer import FeedConsumer

# Callback function executed for eah message.
# Arg1 - msg.key
# Arg2 - msg.value
def dummy(key, value):
    print(key + ":" + value)

fc = FeedConsumer(broker='kafka_broker_ip:kafka_broker_port',  group ='TestGroup')
fc.add_topic(topic, dummy)
fc.run()

time.sleep(60) // This is just to avoid the process exiting