This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
Latest Version Dependencies status unknown Test status unknown Test coverage unknown
Project Description
Version:0.9.0
Download:http://pypi.python.org/pypi/haigha
Source:https://github.com/agoragames/haigha
Keywords:python, amqp, rabbitmq, event, libevent, gevent

Overview

Haigha provides a simple to use client library for interacting with AMQP brokers. It currently supports the 0.9.1 protocol and is integration tested against the latest RabbitMQ 2.8.1 (see errata). Haigha is a descendant of py-amqplib and owes much to its developers.

The goals of haigha are performance, simplicity, and adherence to the form and function of the AMQP protocol. It adds a few useful features, such as the ChannelPool class and Channel.publish_synchronous, to ease use of powerful features in real-world applications.

By default, Haigha operates in a completely asynchronous mode, relying on callbacks to notify application code of responses from the broker. Where applicable, nowait defaults to True. The application code is welcome to call a series of methods, and Haigha will manage the stack and synchronous handshakes in the event loop.

Starting with the 0.5.0 series, haigha natively supports 3 transport types; libevent, gevent and standard sockets. The socket implementation defaults to synchronous mode and is useful for an interactive console or scripting, and the gevent transport is the preferred asynchronous backend though it can also be used synchronously as well.

Documentation

This file and the various files in the scripts directory serve as a simple introduction to haigha. For more complete documentation, see DOCUMENTATION.rst.

Example

See the scripts and examples directories for several examples, in particular the stress_test script which you can use to test the performance of haigha against your broker. Below is a simple example of a client that connects, processes one message and quits.

from haigha.connection import Connection
from haigha.message import Message

connection = Connection(
  user='guest', password='guest',
  vhost='/', host='localhost',
  heartbeat=None, debug=True)

ch = connection.channel()
ch.exchange.declare('test_exchange', 'direct')
ch.queue.declare('test_queue', auto_delete=True)
ch.queue.bind('test_queue', 'test_exchange', 'test_key')
ch.basic.publish( Message('body', application_headers={'hello':'world'}),
  'test_exchange', 'test_key' )
print ch.basic.get('test_queue')
connection.close()

To use protocol extensions for RabbitMQ, initialize the connection with the haigha.connections.rabbit_connection.RabbitConnection class.

Roadmap

  • Documentation (there’s always more)
  • Improved error handling
  • Implementation of error codes in the spec
  • Testing and integration with brokers other than RabbitMQ
  • Identify and improve inefficient code
  • Edge cases in frame management
  • Improvements to usabililty
  • SSL
  • Allow nowait when asynchronous transport but Connection put into synchronous mode.

Haigha has been tested exclusively with Python 2.6 and 2.7, but we intend for it to work with the 3.x series as well. Please report any issues you may have.

Installation

Haigha is available on pypi and can be installed using pip

pip install haigha

If installing from source:

  • with development requirements (e.g. testing frameworks)

    pip install -r development.txt
    
  • without development requirements

    pip install -r requirements.txt
    

Note that haigha does not install either gevent or libevent support automatically. For libevent, haigha has been tested and deployed with the event-agora==0.4.1 library.

Testing

Unit tests can be run with either the included script, or with nose

./haigha$ scripts/test
./haigha$ nosetests

There are two other testing scripts of note. rabbit_table_test is a simple integration test that confirms compliance with RabbitMQ errata. The stress_test script is a valuable tool that offers load-testing capability similar to Apache Bench or Siege. It is used both to confirm the robustness of haigha, as well as benchmark hardware or a broker configuration.

Bug tracker

If you have any suggestions, bug reports or annoyances please report them to our issue tracker at https://github.com/agoragames/haigha/issues

License

This software is licensed under the New BSD License. See the LICENSE.txt file in the top distribution directory for the full license text.

Release History

Release History

0.9.0

This version

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0.8.0

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0.7.3

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0.7.2

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0.7.1

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0.7.0

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0.6.2

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0.6.1

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0.6.0

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0.5.12

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0.5.11

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0.5.10

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0.5.9

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0.5.8

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0.5.7

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0.5.6

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0.5.5

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0.5.4

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0.5.3

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0.5.2

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0.5.1

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0.5.0

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0.4.5

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0.4.4

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0.4.3

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0.4.2

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0.4.1

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0.4.0

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0.3.4

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0.3.3

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0.3.2

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0.3.1

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0.3.0

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0.2.3

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0.2.2

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0.2.1

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
haigha-0.9.0.tar.gz (911.7 kB) Copy SHA256 Checksum SHA256 Source Jan 20, 2016

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