Django-compressor

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- **BACKWARDS-INCOMPATIBLE** Stopped swallowing exceptions raised by
rendering the template tag in production (``DEBUG = False``). This
has the potential to breaking lots of apps but on the other hand
will help find bugs.

- **BACKWARDS-INCOMPATIBLE** The default function to create the cache
key stopped containing the server hostname. Instead the cache key
now only has the form ``'django_compressor.<KEY>'``.

To revert to the previous way simply set the ``COMPRESS_CACHE_KEY_FUNCTION``
to ``'compressor.cache.socket_cachekey'``.

- **BACKWARDS-INCOMPATIBLE** Renamed ambigously named
``COMPRESS_DATA_URI_MAX_SIZE`` setting to ``COMPRESS_DATA_URI_MAX_SIZE``.
It's the maximum size the ``compressor.filters.datauri.DataUriFilter``
filter will embed files as data: URIs.

- Added ``COMPRESS_CSS_HASHING_METHOD`` setting with the options ``'mtime'``
(default) and ``'hash'`` for the ``CssAbsoluteFilter`` filter. The latter
uses the content of the file to calculate the cache-busting hash.

- Added support for ``{{ block.super }}`` to ``compress`` management command.

- Dropped Django 1.1.X support.

- Fixed compiler filters on Windows.

- Handle new-style cached template loaders in the compress management command.

- Documented included filters.

- Added `Slim It`_ filter.

- Added new CallbackOutputFilter to ease the implementation of Python-based
callback filters that only need to pass the content to a callable.

- Make use of `django-appconf`_ for settings handling and `versiontools`_
for versions.

- Uses the current context when rendering the render templates.

- Added :func:`post_compress<compressor.signals.post_compress>` signal.

.. _`Slim It`: http://slimit.org/
.. _`django-appconf`: https://django-appconf.readthedocs.io/
.. _`versiontools`: http://pypi.python.org/pypi/versiontools

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- Fixed stdin handling of precompiler filter.

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- Fixed encoding related issue.

- Minor cleanups.

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- Fixed the precompiler support to also use the full file path instead of a
temporarily created file.

- Enabled test coverage.

- Refactored caching and other utility code.

- Switched from SHA1 to MD5 for hash generation to lower the computational impact.

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- Replace naive jsmin.py with rJSmin (http://opensource.perlig.de/rjsmin/)
and fixed a few problems with JavaScript comments.

- Fixed converting relative URLs in CSS files when running in debug mode.

.. note::

If you relied on the ``split_contents`` method of ``Compressor`` classes,
please make sure a fourth item is returned in the iterable that denotes
the base name of the file that is compressed.

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- Fixed import error when using the standalone django-staticfiles app.