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# CKAN Data Packager

This extension adds importing and exporting of [Data Packages][data-packages] to [CKAN][ckan] datasets.

## Requirements

* CKAN >= 2.4
* Python 2.7

## Installing

To install `ckanext-datapackager` into a CKAN instance, do:

1. If you're using a virtual environment for CKAN, activate it doing, for example:

source /usr/lib/ckan/default/bin/activate

2. Install the `ckanext-datapackager` extension using pip:

pip install ckanext-datapackager

Alternatively do a development install (with your virtualenv activated):

git clone
cd ckanext-datapackager
python develop
pip install -r requirements.txt

3. Add `datapackager` to the `ckan.plugins` setting in your CKAN config file;
4. Restart CKAN.

## Using

### Web Interface

#### Importing

![Importing Data Package](doc/images/ckanext-datapackager-import-demo.gif)

1. Visit the Dataset list page (e.g. ``)
2. Click on `Import Data Package` button;
3. Upload or link to a Data Package JSON or ZIP file;
* Depending on your CKAN configuration, you might also need to define
the dataset's organization and visibility here.
4. Review the created dataset.

#### Exporting

![Exporting CKAN Dataset as Data Package](doc/images/ckanext-datapackager-export-link.png)

1. Go to the dataset's page;
2. Click on `Download Data Package` button.

### API

The extension provides two API actions for importing (`package_create_from_datapackage`) and exporting (`package_show_as_datapackage`) Data Packages on CKAN.

For more information on their parameters and return values, check the
docstrings inside the files at

#### Importing

If the Data Package (either the `datapackage.json` file or a zip file with the `datapackage.json` and the data files) is reachable through an URL, you can do a request to `package_create_from_datapackage` as such:

curl -X POST \
-H 'Authorization: YOUR_CKAN_API_KEY' \
-d '{"url": ""}' \

You can also use [ckanapi][ckanapi]:

ckanapi action package_create_from_datapackage url=URL_TO_DATAPACKAGE owner_org=OWNER_ORGANIZATION_ID -r http://CKAN_HOST

For uploading the Data Package, check the documentation on uploading files using [ckanapi]( or check this example using [requests](

import requests

r ='http://CKAN_HOST/api/action/package_create_from_datapackage',
headers={'Authorization': YOUR_CKAN_API_KEY},
files=[('upload', file('/path/to/datapackage.json/or/'))])


#### Exporting

For exporting a dataset as a `datapackage.json` just call `package_show_as_datapackage` with the relevant dataset id:

curl 'http://CKAN_HOST/api/action/package_show_as_datapackage?id=940a5fe0-0c72-41c4-8a28-8c794f399036'

{"help": "http://CKAN_HOST/api/3/action/help_show?name=package_show_as_datapackage",
"success": true,
"result": {
"name": "bond-yields-uk-2-7334836228",
"title": "Test Data Package",
"resources": [
{"url": "http://some.file",
"format": "CSV"}

Or if using ckanapi:

ckanapi action package_show_as_datapackage id=PACKAGE_ID -r http://CKAN_URL

Note that this returns the standard CKAN API output where the `datapackage.json` file is returned under the `result` key.
If you would rather like to get the `datapackage.json` file directly you can use this direct endpoint:


For instance

curl http://CKAN_HOST/dataset/bond-yields-uk-10y/datapackage.json

## Developing ckanext-datapackager

### Running tests

You'll need to install the dev requirements to run the tests:

pip install -r dev-requirements.txt

To run the tests:

nosetests --nologcapture --ckan --with-pylons=test.ini

Note that ckanext-datapackager's `test.ini` file assumes that the relative path from it
to CKAN's `test-core.ini` file is `../ckan/test-core.ini`, i.e. that you have
CKAN and ckanext-datapackager installed next to each other in the same directory. This
would normally be the case if you've done development installs of CKAN and

## Where is the old Open Knowledge's Data Packager?

The [Open Knowledge Data Packager]( was written for
an old CKAN version (2.2), and is now deprecated. This extension implements
parts of its functionality and improves them, supporting the current CKAN
version (2.4).

If you still need the old Data Packager, checkout this repository's commit

Release History

Release History


This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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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
ckanext-datapackager-0.2.0.tar.gz (18.3 kB) Copy SHA256 Checksum SHA256 Source Jun 7, 2016

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