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Watches a designated node in Zookeeper for data or member changes and trigger a function when an event is detected.

Project Description
# Zookeeper-Watcher

Watches a designated node in Zookeeper for data or member changes.
Implements a Watch class which can be used as a decorator to trigger functions when changes are detected on a specified node in Zookeeper.

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## Supported Platforms

* OSX and Linux.
* Python 2.7

Probably works with other versions as well.

## Quickstart

pip install Zookeeper-Watcher

from zookeeper_watcher import ZookeeperWatcher

#instantiate the watcher object by passing it the Zookeeper server address and a optional logger.
watcher = ZookeperWatcher('zookeeper_host:port') #can receive also a custom logger by adding logger=some_logger.

#start the async connection with the Zookeeper server

#decorate a function that will be triggered once at runtime and on every detected event
def test_function(children, data):
"""decorated function that receives a list of children nodes of the given path
and a list of data objects (dictionaries) that are read from each child node"""
print "list of children nodes", children
print "list of data objects", data


## Changelog

#### 0.1.4

* Fixed some logging bugs.

#### 0.1.3

* Added custom logging.

#### 0.1.2

* Fixed some logging errors.

#### 0.1.1

* Fixed some distribution packaging bug.

#### 0.1.0

* Initial release.
Release History

Release History

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Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
Zookeeper-Watcher-0.1.4.tar.gz (4.3 kB) Copy SHA256 Checksum SHA256 Source Sep 30, 2014

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