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Class based template tags for Django

Project description

pypi build coverage

The goal of this project is to create a new way of writing Django template tags which is fully compatible with the current Django templating infrastructure. This new way should be easy, clean and require as little boilerplate code as possible while still staying as powerful as possible. Some features:

  • Class based template tags.
  • Template tag argument parser.
  • Declarative way to define arguments.
  • Supports (theoretically infinite) parse-until blocks.
  • Extensible!

Contributing

This is a an open-source project. We’ll be delighted to receive your feedback in the form of issues and pull requests. Before submitting your pull request, please review our contribution guidelines.

We’re grateful to all contributors who have helped create and maintain this package. Contributors are listed at the contributors section.

Documentation

See REQUIREMENTS in the setup.py file for additional dependencies:

python django

Please refer to the documentation in the docs/ directory for more information or visit our online documentation.

Example

This is how a tag looks like using django-classy-tags:

from classytags.core import Options
from classytags.helpers import AsTag
from classytags.arguments import Argument
from django import template

register = template.Library()

class Hello(AsTag):
    options = Options(
        Argument('name', required=False, default='world'),
        'as',
        Argument('varname', required=False, resolve=False)
    )

    def get_value(self, context, name):
        return 'hello %s' % name

register.tag(Hello)

That’s your standard hello world example. Which can be used like this:

  • {% hello %}: Outputs hello world
  • {% hello "classytags" %}: Outputs hello classytags
  • {% hello as myvar %}: Outputs nothing but stores hello world into the template variable myvar.
  • {% hello "my friend" as othervar %}: Outputs nothing but stores hello my friend into the template variable othervar.

Running Tests

You can run tests by executing:

virtualenv env
source env/bin/activate
pip install -r tests/requirements.txt
python setup.py test

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