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Provides mechanism for relating content to other models

branch: master

Merge v2.0.4

latest commit f57b6908d3
Travis Swicegood tswicegood authored
README.rst

armstrong.apps.related_content

Provides mechanism for relating content to other models

You can use armstrong.apps.related_content to link two separate models together through a GenericForeignKey for the source and the destination. You can further organize the relationship with RelatedType (think: "articles", "images", "external_links", and so on) and all relationships are ordered.

Usage

You do not have to change your models to utilize related content---it exists outside of your model. There are two fields that you can add that give you easy access to your related content:

  • armstrong.apps.related_content.fields.RelatedObjectsField
  • armstrong.apps.related_content.fields.ReverseRelatedObjectsField

The first let's you access objects where your model is the source, the latter lets you access objects where your model is the destination. Note that these return the actual models that are related, not the RelatedContent model. If you need access to the raw RelatedContent model directly from your model, see armstrong.apps.related_content.fields.RelatedContentField.

You can also use the RelatedContentInline for exposing an admin interface to your related content inside Django's admin.

Accessing Related Content

You can access fields through the RelatedObjectsField or ReverseRelatedObjectsField by calling all() or by_type("some_type"). These return QuerySet-like objects, but since they are generic relationships, they're not quite QuerySets.

Inside templates, you can access related content by type using the dot-syntax. For example, you could load the first related content of a type "articles" with this syntax:

{{ my_article.related.articles.0 }}

Installation & Configuration

You can install the latest release of armstrong.apps.related_content using pip:

pip install armstrong.apps.related_content

Make sure to add armstrong.apps.related_content to your INSTALLED_APPS. You can add this however you like. This works as a copy-and-paste solution:

INSTALLED_APPS += ["armstrong.apps.related_content", ]

Once installed, you have to run either syncdb, or migrate if you are using South.

Backwards Incompatible Changes

Version 2.0
  • RelatedObjectsField no longer extends genericm2m.models.RelatedObjectsDescriptor.
  • All fields have been been moved into the fields module now.

Contributing

  • Create something awesome -- make the code better, add some functionality, whatever (this is the hardest part).
  • Fork it
  • Create a topic branch to house your changes
  • Get all of your commits in the new topic branch
  • Submit a pull request

State of Project

Armstrong is an open-source news platform that is freely available to any organization. It is the result of a collaboration between the Texas Tribune and Bay Citizen, and a grant from the John S. and James L. Knight Foundation.

To follow development, be sure to join the Google Group.

armstrong.apps.related_content is part of the Armstrong project. You're probably looking for that.

License

Copyright 2011-2012 Bay Citizen and Texas Tribune

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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