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django-jstemplate 1.3.7

A Django template tag for embedding Mustache.js templates -- or other JavaScript templates -- safely.

=================
django-jstemplate
=================

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A templatetag framework for easier integration of `mustache.js`_, `dust.js`_,
`handlebars.js`_, or other JavaScript templates with Django templates. Also will
wrap your templates in elements expected for libraries such as `ICanHaz.js`_.
Django-jstemplates is extensible, so if your favorite template library is not
included, it's easy to add.  Inspired by `django-icanhaz`_.

.. _mustache.js: http://mustache.github.com/
.. _dust.js: http://akdubya.github.com/dustjs/
.. _handlebars.js: http://handlebarsjs.com/
.. _ICanHaz.js: http://icanhazjs.com/
.. _django-icanhaz: http://github.com/carljm/django-icanhaz

Quick Usage
-----------

(Read the full docs on `Read the Docs`_)

.. _Read the Docs: http://django-jstemplate.readthedocs.org/en/latest/

Add ``"jstemplate"`` to your ``INSTALLED_APPS`` setting.

Download the templating library of your choice (I like to go straight
mustache.js)::

    wget https://raw.github.com/janl/mustache.js/master/mustache.js
    mv mustache.js app/static/libs/

``app/jstemplates/main.mustache``::

    <div>
      <p>This is {{ name }}'s template</p>
    </div>

``app/templates/main.html``::

    {% load jstemplate %}

    <html>
    <head>
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.js"></script>
      <script src="{{ STATIC_URL }}libs/mustache.js"></script>
      <script src="{{ STATIC_URL }}libs/django.mustache.js"></script>
    </head>

    <body>
      <div id="dynamic-area"></div>

      {% mustachejs "main" %}

      <script>
        $(document).ready(function() {

          var $area = $('#dynamic-area')
            , template;

          template = Mustache.template('main');
          $area.html(template.render());

        });
      </script>
    </body>
    </html>


Running tests
-------------

To run the tests (for development), install ``mock`` and ``six`` and run::

    jstemplate/tests/project/manage.py test


Rationale
---------

The collision between Django templates' use of ``{{`` and ``}}`` as template
variable markers and `mustache.js`_' use of same has spawned a variety of
solutions. `One solution`_ simply replaces ``[[`` and ``]]`` with ``{{`` and
``}}`` inside an ``mustachejs`` template tag; `another`_ makes a valiant attempt
to reconstruct verbatim text within a chunk of a Django template after it has
already been mangled by the Django template tokenizer.

I prefer to keep my JavaScript templates in separate files in a dedicated
directory anyway, to avoid confusion between server-side and client-side
templating. So this solution is essentially just an "include" tag that avoids
parsing the included file as a Django template.

Enjoy!

.. _one solution: https://gist.github.com/975505
.. _another: https://gist.github.com/629508


CHANGES
=======

1.3.7
-----

- Bug fix: Fail silently when using an invalid regex to match templates.

1.3.6
-----

- Bug fix: Fix the case on ``innerHTML`` (was ``innerHtml``)

1.3.5
-----

- Use ``document.getElementById`` and ``innerHtml`` instead of depending on jQuery
  to get the text of handlebars templates.
- Switch the order of precompiling and registering partials in handlebars tag,
  so that partials can used compiled template.

1.3.4
-----

- Fix compatibility with Python 3.2. Explicity unicode literals (i.e., u'...')
  are not supported in Python 3.2 and cause a syntax error. Support was revived
  in Python 3.3. Python 2.6 and 2.7 allow using unicode string literals by
  default with `from __future__ import unicode_literals`, so we use that here.

1.3.3
-----

- Sort translatable strings so that results are consistent across Python
  versions.

1.3.2
-----

- All template renderers handle unicode characters.

1.3.1
-----

- Bug fix: Closure that was registering Handlbars partials was not wrapped in
  parentheses.

1.3.0
-----

- Add a short translation form::

      {{ _ 'this is translatable' }}

1.2.1
-----

- Allow optional precompiling and and registering of partials for the
  Handlebars.js tag. For example::

      {% handlebarsjs '(.*)' precompile register_partials }

  This will add a `templates` object to `Handlebars`, and register all
  templates for use as partials.

1.2.0
-----

- Add Handlebars.js support

1.1.1
-----

- Fix setup script requirements

1.1.0
-----

- Python 3 support!

1.0.3
-----

- Move the static/mustache/js/ folder to static/libs/

1.0.2
-----

- Update MANIFEST file to use "jstemplate" folder instead of "mustachejs"

1.0.1
-----

- Simplify the template tag methods, and get rid of unused imports in the
  template tag modules
- Update project references in the docs

1.0.0
-----

- Rename project to "django-jstemplate" (from "django-mustachejs")
- Rename the "mustacheraw" template tag to "rawjstemplate"
- Rename the "mustacheich" template tag to "icanhazjs"

0.8.3
-----

- Fix incorrect identifier name in makemessages command

0.8.2
-----

- Fix the FilesystemRegexFinder to match exactly the extensions specified in
  the configuration, and no more

0.8.1
-----

- Fix makemessages to work with recent code updates

0.8.0
-----

- Have the regex finder respect the MUSTACHEJS_EXTS setting
- Update normal file finders to use glob patterns

0.7.4
-----

- Fix i18n preprocessor for python 2.6 compatibility

0.7.3
-----

- Correctly escaped translated strings.

0.7.2
-----

- Changed search pattern to be non-greedy.

0.7.1
-----

- Handle translation strings with new lines.

0.7.0
-----

- Pulled in commit from django-icanhaz to load templates using regular
  expressions.

- Added preprocessing framework, and a preprocessor for i18n.

- Hijack the makemessages command to find js template messages as well.

0.6.0
-----

- Add ``dustjs`` tag to insert a script block to create a compiled dustjs
  template.  Thanks to `Gehan Gonsalkorale <https://github.com/gehan>`_.

0.5.0
-----

- Add ``mustacheraw`` tag to insert just the raw text of a mustacehe template.
  Thanks to Greg Hinch.

- Add ``mustacheich`` tag to insert a mustache script block as icanhaz expects.

0.4.1 (2012.01.09)
-----

- Fixed template reading to explicitly decode template file contents using
  Django's ``FILE_CHARSET`` setting. Thanks Eduard Iskandarov.

- Fixed template-finding failure with non-normalized directories in
  ``MUSTACHEJS_DIRS``. Thanks Eduard Iskandarov for report and patch.


0.4.0
-----

- Add the MUSTACHEJS_EXTS configuration variable for specifying the extensions
  allowed for template files located by the FilesystemFinder (and, by extension,
  the AppFinder).


0.3.3
-----

- Add a package_data value to the setup call


0.3.2
-----

- Add the MANIFEST.in file itself as an entry in MANIFEST.in.


0.3.0
-----

- Change the name from django-icanhaz to django-mustachejs.
- Remove dependency on ICanHaz.js.  I like the library, but the maintainers
  were not responsive enough for now.  Use Mustache.js straight, with a little
  bit of minimal sugar.  Templates are rendered to straight Javascript.


0.2.0 (2011.06.26)
-----

- Made template-finding more flexible: ``ICANHAZ_DIR`` is now ``ICANHAZ_DIRS``
  (a list); added ``ICANHAZ_FINDERS``, ``ICANHAZ_APP_DIRNAMES``, and finding of
  templates in installed apps.


0.1.0 (2011.06.22)
-----

- Initial release.


TODO
====
 
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