django_compressor 1.1.2

Compresses linked and inline JavaScript or CSS into a single cached file
django_compressor is a Django app that compresses linked and inline JavaScript or CSS into a single cached file.

Syntax:

{% compress < js/css > %}
< html of inline or linked JS/CSS >
{% endcompress %}


Examples:

{% compress css %}
< link rel="stylesheet" href="/media/css/one.css" type="text/css" charset="utf-8" >
< style type="text/css" >p { border:5px solid green;}< /style >
< link rel="stylesheet" href="/media/css/two.css" type="text/css" charset="utf-8" >
{% endcompress %}


Which would be rendered something like:

< link rel="stylesheet" href="/media/CACHE/css/f7c661b7a124.css" type="text/css" charset="utf-8" >

or:

{% compress js %}
< script src="/media/js/one.js" type="text/javascript" charset="utf-8" >< /script >
< script type="text/javascript" charset="utf-8" >obj.value = "value";< /script >
{% endcompress %}


Which would be rendered something like:

< script type="text/javascript" src="/media/CACHE/js/3f33b9146e12.js" charset="utf-8" >< /script >

Linked files must be on your COMPRESS_URL (which defaults to MEDIA_URL). If DEBUG is true off-site files will throw exceptions. If DEBUG is false they will be silently stripped.

If COMPRESS is False (defaults to the opposite of DEBUG) the compress tag simply returns exactly what it was given, to ease development.

CSS Notes:

All relative url() bits specified in linked CSS files are automatically converted to absolute URLs while being processed. Any local absolute URLs (those starting with a '/') are left alone.

Stylesheets that are @import'd are not compressed into the main file. They are left alone.

If the media attribute is set on and elements, a separate compressed file is created and linked for each media value you specified. This allows the media attribute to remain on the generated link element, instead of wrapping your CSS with @media blocks (which can break your own @media queries or @font-face declarations). It also allows browsers to avoid downloading CSS for irrelevant media types.

Recommendations:

 * Use only relative or full domain absolute URLs in your CSS files.
 * Avoid @import! Simply list all your CSS files in the HTML, they'll be combined anyway.

Why another static file combiner for Django?

Short version: None of them did exactly what I needed.

Long version:

JS/CSS belong in the templates
 Every static combiner for django I've seen makes you configure your static files in your settings.py. While that works, it doesn't make sense. Static files are for display. And it's not even an option if your settings are in completely different repositories and use different deploy processes from the templates that depend on them.
Flexibility
 django_compressor doesn't care if different pages use different combinations of statics. It doesn't care if you use inline scripts or styles. It doesn't get in the way.
Automatic regeneration and cache-foreverable generated output
 Statics are never stale and browsers can be told to cache the output forever.
Full test suite
 I has one.

Settings

Django compressor has a number of settings that control it's behavior. They've been given sensible defaults.

COMPRESS
Default: the opposite of DEBUG

Boolean that decides if compression will happen.

COMPRESS_URL
Default: MEDIA_URL

Controls the URL that linked media will be read from and compressed media will be written to.

COMPRESS_ROOT
Default: MEDIA_ROOT

Controls the absolute file path that linked media will be read from and compressed media will be written to.

COMPRESS_OUTPUT_DIR
Default: 'CACHE'

Conttrols the directory inside COMPRESS_ROOT that compressed files will be written to.

COMPRESS_CSS_FILTERS
Default: []

A list of filters that will be applied to CSS.

COMPRESS_JS_FILTERS
Default: ['compressor.filters.jsmin.JSMinFilter']

A list of filters that will be applied to javascript.

COMPRESS_STORAGE
Default: 'compressor.storage.CompressorFileStorage'

The dotted path to a Django Storage backend to be used to save the compressed files.

last updated on:
January 11th, 2012, 11:36 GMT
price:
FREE!
developed by:
Christian Metts
license type:
BSD License 
category:
ROOT \ Internet \ HTTP (WWW)

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