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The CKAN API
CKAN has a fully-featured Application Programming Interface (API).
The API takes the form of a RESTful (Representational State Transfer) style API for accessing CKAN database objects and a Search API.
For full details of accessing the API, see the CKAN developer documentation at http://packages.python.org/ckan/api.html
API Clients
PHP client
Ckan_client-PHP is an almost full and (I hope) easy-to-use interface to the CKAN APIs.
- Source: http://github.com/jeffreybarke/Ckan_client-PHP
- Author: Jeffrey Barke
This example uses CKAN's search API and lists and reads Packages/Groups? with the REST API.
Perl client example
This example accesses the CKAN REST API to get a list of the packages, count the uses of an 'extra' field and then plots it with the Google chart API. Luke broke the CKAN bits out into a CKAN specific client library - Net::CKAN. Luke is open to improving this library and eventually releasing it to CPAN.
- Script Source: http://github.com/lukec/net-ckan/blob/master/bin/make-ckan-chart
- Library Source: http://github.com/lukec/net-ckan/blob/master/lib/Net/CKAN.pm
- Info: http://lists.okfn.org/pipermail/ckan-discuss/2010-February/000057.html
- Author: Luke Closs
Python client
Ckanclient is a python module that provides an full and easy-to-use interface to the CKAN APIs.
- About: http://www.ckan.net/package/ckanclient
- PyPI releases: http://pypi.python.org/pypi/ckanclient/0.2
- Code info: http://knowledgeforge.net/ckan/ckanclient
- Author: OKFN
Command-line client
Datapkg allows you to download the data in CKAN packages on the command-line, in the style of software package managers (e.g. apt-get, cpan, pypi).
Other Code related to CKAN
Drupal module
Simple module:
- http://www.practicalweb.co.uk/blog/10/02/24/drupal-module-ckan-integration
- Author: Sean Burlington
Advanced module:
- Blog post
- ckanpackage.tar.gz (and available on drupal.org shortly)
- Author: Data.gov.uk
