rejected 3.4.5

Rejected is a Python RabbitMQ Consumer Framework and Controller Daemon

Rejected is a AMQP consumer daemon and message processing framework. It allows for rapid development of message processing consumers by handling all of the core functionality of communicating with RabbitMQ and management of consumer processes.

Rejected runs as a master process with multiple consumer configurations that are each run it an isolated process. It has the ability to collect statistical data from the consumer processes and report on it.

Features

• Dynamic QoS

• Automatic exception handling including connection management and consumer restarting

• Smart consumer classes that can automatically decode and deserialize message bodies based upon message headers

• Metrics logging and submission to statsd

• Built-in profiling of consumer code

Documentation

https://rejected.readthedocs.org

Example Consumer

from rejected import consumer
import logging

LOGGER = logging.getLogger(__name__)


class Test(consumer.Consumer):
    def process(self, message):
        LOGGER.debug('In Test.process: %s' % message.body)

Example Configuration

%YAML 1.2
---
Application:
  poll_interval: 10.0
  log_stats: True
  statsd:
    enabled: True
    host: localhost
    port: 8125
  Connections:
    rabbitmq:
      host: localhost
      port: 5672
      user: guest
      pass: guest
      ssl: False
      vhost: /
      heartbeat_interval: 300
  Consumers:
    example:
      consumer: rejected.example.Consumer
      connections: [rabbitmq]
      qty: 2
      queue: generated_messages
      dynamic_qos: True
      ack: True
      max_errors: 100
      config:
        foo: True
        bar: baz

 Daemon:
   user: rejected
   group: daemon
   pidfile: /var/run/rejected/example.%(pid)s.pid

 Logging:
   version: 1
   formatters:
     verbose:
       format: "%(levelname) -10s %(asctime)s %(process)-6d %(processName) -15s %(name) -25s %(funcName) -20s: %(message)s"
       datefmt: "%Y-%m-%d %H:%M:%S"
     syslog:
       format: "%(levelname)s <PID %(process)d:%(processName)s> %(name)s.%(funcName)s(): %(message)s"
   filters: []
   handlers:
     console:
       class: logging.StreamHandler
       formatter: verbose
       debug_only: true
     syslog:
       class: logging.handlers.SysLogHandler
       facility: local6
       address: /var/run/syslog
       #address: /dev/log
       formatter: syslog
   loggers:
     my_consumer:
       level: INFO
       propagate: true
       handlers: [console, syslog]
     rejected:
       level: INFO
       propagate: true
       handlers: [console, syslog]
     urllib3:
       level: ERROR
       propagate: true
   disable_existing_loggers: false
   incremental: false

Version History

Available at https://rejected.readthedocs.org/en/latest/history.html