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from __future__ import absolute_import
import os
from compressor.filters import FilterBase
from compressor.conf import settings
from django_pyscss.scss import DjangoScss
class DjangoScssFilter(FilterBase):
compiler = DjangoScss()
def __init__(self, content, attrs=None, filter_type=None, filename=None, **kwargs):
# It looks like there is a bug in django-compressor because it expects
# us to accept attrs.
super(DjangoScssFilter, self).__init__(content, filter_type, filename, **kwargs)
try:
# this is a link tag which means there is an SCSS file being
# referenced.
href = attrs['href']
except KeyError:
# this is a style tag which means this is inline SCSS.
self.relative_to = None
else:
self.relative_to = os.path.dirname(href.replace(settings.STATIC_URL, ''))
def input(self, **kwargs):
return self.compiler.compile(scss_string=self.content,
relative_to=self.relative_to)
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