django-pyscss
A collection of tools for making it easier to use pyScss within Django.
Note
This version only supports pyScss 1.3.4 and greater. For pyScss 1.2 support, you can use the 1.x series of django-pyscss.
Installation
django-pyscss supports Django 1.4+, and Pythons 2 and 3.
You may install django-pyscss off of PyPI:
pip install django-pyscss
Why do we need this?
This app smooths over a lot of things when dealing with pyScss in Django. It
- Overwrites the import system to use Django's staticfiles app. This way you can import SCSS files from any app (or any file that's findable by the STATICFILES_FINDERS) with no hassle.
- Configures pyScss to work with the staticfiles app for its image functions (e.g. inline-image and sprite-map).
- It provides a django-compressor precompile filter class so that you can easily use pyScss with django-compressor without having to bust out to the shell. This has the added benefit of removing the need to configure pyScss through its command-line arguments AND makes it possible for the exceptions and warnings that pyScss emits to bubble up to your process so that you can actually know what's going on.
Rendering SCSS manually
You can render SCSS manually from a string like this:
from django_pyscss import DjangoScssCompiler
compiler = DjangoScssCompiler()
compiler.compile_string(".foo { color: green; }")You can render SCSS from a file like this:
from django_pyscss import DjangoScssCompiler
compiler = DjangoScssCompiler()
compiler.compile('css/styles.scss')The file needs to be able to be located by staticfiles finders in order to be used.
The DjangoScssCompiler class is a subclass of scss.Compiler that
injects the DjangoExtension. DjangoExtension is what overrides the
import mechanism.
DjangoScssCompiler also turns on the CompassExtension by default, if you
wish to turn this off you do so:
from django_pyscss import DjangoScssCompiler
from django_pyscss.extensions.django import DjangoExtension
compiler = DjangoScssCompiler(extensions=[DjangoExtension])For a list of options that DjangoScssCompiler accepts, please see the
pyScss API documentation.
Using in conjunction with django-compressor
django-pyscss comes with support for django-compressor. All you have to do is
add it to your COMPRESS_PRECOMPILERS setting. :
COMPRESS_PRECOMPILERS = (
# ...
('text/x-scss', 'django_pyscss.compressor.DjangoScssFilter'),
# ...
)Then you can just use SCSS like you would use CSS normally. :
{% compress css %}
<link rel="stylesheet" type="text/x-scss" href="{% static 'css/styles.css' %}">
{% endcompress %}If you wish to provide your own compiler instance (for example if you wanted to
change some settings on the DjangoScssCompiler), you can subclass
DjangoScssFilter. :
# myproject/scss_filter.py
from django_pyscss import DjangoScssCompiler
from django_pyscss.compressor import DjangoScssFilter
class MyDjangoScssFilter(DjangoScssFilter):
compiler = DjangoScssCompiler(
# Example configuration
output_style='compressed',
)
# settings.py
COMPRESS_PRECOMPILERS = (
# ...
('text/x-scss', 'myproject.scss_filter.MyDjangoScssFilter'),
# ...
)Running the tests
You can run the tests by running.
$ python setup.py test
Please note that this will collecstatic into tmp/static/ automatically as
some of the tests require the staticfiles to have been collected.
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