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ckanext-datapackager-0.2.0
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مشاهده بیشترتوضیحات
This extension adds importing and exporting of Data Packages to CKAN datasets.
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | ckanext-datapackager-0.2.0 |
| نام | ckanext-datapackager |
| نسخه کتابخانه | 0.2.0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Open Knowledge International |
| ایمیل نویسنده | info@okfn.org |
| آدرس صفحه اصلی | https://github.com/ckan/ckanext-datapackager |
| آدرس اینترنتی | https://pypi.org/project/ckanext-datapackager/ |
| مجوز | AGPL |
[](https://travis-ci.org/ckan/ckanext-datapackager) [](https://coveralls.io/r/ckan/ckanext-datapackager?branch=master)
# 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 https://github.com/ckan/ckanext-datapackager.git
cd ckanext-datapackager
python setup.py 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
1. Visit the Dataset list page (e.g. `http://your-ckan-address.com/dataset`)
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
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
[ckanext/datapackager/logic/action](ckanext/datapackager/logic/action).
#### 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": "https://link.to/datapackage.json"}' \
http://CKAN_HOST/api/action/package_create_from_datapackage
```
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](https://github.com/ckan/ckanapi#file-uploads) or check this example using [requests](http://docs.python-requests.org/en/latest/):
```python
import requests
r = requests.post('http://CKAN_HOST/api/action/package_create_from_datapackage',
headers={'Authorization': YOUR_CKAN_API_KEY},
files=[('upload', file('/path/to/datapackage.json/or/file.zip'))])
```
#### 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:
http://CKAN_HOST/dataset/DATASET_NAME_OR_ID/datapackage.json
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
ckanext-datapackager.
## Where is the old Open Knowledge's Data Packager?
The [Open Knowledge Data Packager](http://datapackager.okfn.org) 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
[57cff1f](https://github.com/ckan/ckanext-datapackager/commit/57cff1f5112504091891195a097433579275f968).
[ckan]: http://ckan.org
[data-packages]: http://dataprotocols.org/data-packages/
[ckanapi]: https://github.com/ckan/ckanapi
نحوه نصب
نصب پکیج whl ckanext-datapackager-0.2.0:
pip install ckanext-datapackager-0.2.0.whl
نصب پکیج tar.gz ckanext-datapackager-0.2.0:
pip install ckanext-datapackager-0.2.0.tar.gz