Just in time for demoing at the Chaos Computer Congress (where I’m speaking about Componentization and CKAN), datapkg 0.4 has been released. For those who haven’t heard about datapkg before:
datapkg is a tool for distributing, discovering and installing knowledge (data and content) ‘packages’.
datapkg is a simple way to ‘package’ data building on existing packaging tools developed for code. datapkg is designed to integrate closely with the CKAN (Comprehensive Knowledge Archive Network).
By putting data in a package, it gets labelled with standardized metadata and can be put in a datapkg repository, such as CKAN or a local one. Once in such a repository, the packages are easy to find and retrieve. [from the docs]
Changes in this release include:
- Major refactoring to simplify and standardize CLI using ‘package specs’
- Support for searching indices from CLI, e.g.::
datapkg search ckan:// myquery - Simple installation onto disk
- Overhauled and improved documentation and put docs online at http://knowledgeforge.net/ckan/doc/datapkg/
This release of datapkg is still pretty rough around the edges but we now feel its ready for external use (we’ve been “dog-fooding” it ourselves for a while!). So while datapkg is still alpha it’s an alpha that works. If you’re interested in giving it a spin there are installation instructions and once you’ve got it running you can then do things like (from the manual):
Search for a package in an Index e.g. on CKAN.net::
$ datapkg search ckan:// windhover ... datapkgdemo -- ... ...Get some information about one of them (in this case our demonstration package
on ckan.net)::$ datapkg info ckan://datapkgdemoLet’s install one of them (to the current directory)::
$ datapkg install ckan://datapkgdemo .This will download the Distribution file for Package ‘datapkgdemo’ and unpack it in the current directory ‘.’.
Rufus Pollock is Founder and President of Open Knowledge.
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