Metadata-Version: 2.1
Name: ckanext-query-dois
Version: 3.0.2
Summary: A CKAN extension that creates DOIs for queries on resources.
Author-email: Natural History Museum <data@nhm.ac.uk>
License: GPL-3.0-or-later
Project-URL: repository, https://github.com/NaturalHistoryMuseum/ckanext-query-dois
Project-URL: changelog, https://github.com/NaturalHistoryMuseum/ckanext-query-dois/blob/main/CHANGELOG.md
Keywords: CKAN,data,doi
Classifier: Development Status :: 5 - Production/Stable
Classifier: License :: OSI Approved :: GNU General Public License v3 (GPLv3)
Classifier: Programming Language :: Python
Classifier: Programming Language :: Python :: 3 :: Only
Classifier: Programming Language :: Python :: 3.6
Classifier: Programming Language :: Python :: 3.7
Classifier: Programming Language :: Python :: 3.8
Requires-Python: >=3.6
Description-Content-Type: text/markdown
Provides-Extra: test
License-File: LICENSE

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<img src="https://github.com/NaturalHistoryMuseum/ckanext-query-dois/raw/main/.github/nhm-logo.svg" align="left" width="150px" height="100px" hspace="40"/>

# ckanext-query-dois

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_A CKAN extension that creates DOIs for queries on resources._

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# Overview

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This extension creates (mints) digital object identifiers (DOIs) for queries on resources. By recording the query parameters used and the exact version of the data at the time of the query, this allows precise retrieval of the data as it looked when the DOI was minted.

**Must be used in conjunction with v4+ of the [ckanext-versioned-datastore](https://github.com/NaturalHistoryMuseum/ckanext-versioned-datastore).**

_Optionally:_ [ckanext-ckanpackager](https://github.com/NaturalHistoryMuseum/ckanext-ckanpackager) can be used to get DOIs for downloads (`query-dois` automatically hooks into the `ckanext-ckanpackager` interface if it finds the plugin is active in the running CKAN environment).

You will need an account with a DataCite DOI service provider to use this extension.

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# Installation

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Path variables used below:
- `$INSTALL_FOLDER` (i.e. where CKAN is installed), e.g. `/usr/lib/ckan/default`
- `$CONFIG_FILE`, e.g. `/etc/ckan/default/development.ini`

## Installing from PyPI

```shell
pip install ckanext-query-dois
```

## Installing from source

1. Clone the repository into the `src` folder:
   ```shell
   cd $INSTALL_FOLDER/src
   git clone https://github.com/NaturalHistoryMuseum/ckanext-query-dois.git
   ```

2. Activate the virtual env:
   ```shell
   . $INSTALL_FOLDER/bin/activate
   ```

3. Install via pip:
   ```shell
   pip install $INSTALL_FOLDER/src/ckanext-query-dois
   ```

### Installing in editable mode

Installing from a `pyproject.toml` in editable mode (i.e. `pip install -e`) requires `setuptools>=64`; however, CKAN 2.9 requires `setuptools==44.1.0`. See [our CKAN fork](https://github.com/NaturalHistoryMuseum/ckan) for a version of v2.9 that uses an updated setuptools if this functionality is something you need.

## Post-install setup

1. Add 'query_dois' to the list of plugins in your `$CONFIG_FILE`:
   ```ini
   ckan.plugins = ... query_dois
   ```

2. Install `lessc` globally:
   ```shell
   npm install -g "less@~4.1"
   ```

3. Initialise database tables:
   ```shell
   ckan -c $CONFIG_FILE query-dois initdb
   ```

4. Sign up for an account with [DataCite](https://datacite.org) and provide the credentials in your configuration.

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# Configuration

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These are the options that can be specified in your .ini config file.

## **[REQUIRED]**

| Name                                   | Description                                                           | Options |
|----------------------------------------|-----------------------------------------------------------------------|---------|
| `ckanext.query_dois.prefix`            | Prefix to use for the new DOIs                                        |         |
| `ckanext.query_dois.datacite_username` | Datacite account username                                             |         |
| `ckanext.query_dois.datacite_password` | Datacite account password                                             |         |
| `ckanext.query_dois.doi_title`         | Template string for the DOI title: takes `count` as a format argument |         |
| `ckanext.query_dois.publisher`         | DOI publisher name                                                    |         |

## Other options

| Name                           | Description                                                  | Options    | Default |
|--------------------------------|--------------------------------------------------------------|------------|---------|
| `ckanext.query_dois.test_mode` | Enable/disable using test DOIs (i.e. not creating real DOIs) | True/False | True    |

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# Usage

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## Commands

### `initdb`
Initialises the database table.

1. `initdb`: initialise the database model
    ```bash
    ckan -c $CONFIG_FILE query-dois initdb
    ```

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# Testing

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There is a Docker compose configuration available in this repository to make it easier to run tests. The ckan image uses the Dockerfile in the `docker/` folder.

To run the tests against ckan 2.9.x on Python3:

1. Build the required images:
   ```shell
   docker-compose build
   ```

2. Then run the tests.
   The root of the repository is mounted into the ckan container as a volume by the Docker compose
   configuration, so you should only need to rebuild the ckan image if you change the extension's
   dependencies.
   ```shell
   docker-compose run ckan
   ```

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