django-pipeline configuration (a SASS / Compass folder per app)

settings.py

STATICFILES_STORAGE = 'pipeline.storage.PipelineStorage'

PIPELINE_COMPILERS = (
    'pipeline_compass.compass.CompassCompiler',
)

PIPELINE_CSS = dict(zip(PROJECT_APPS, [{
        'source_filenames': (
          (app + '/sass/*.scss'),
        ),
        'output_filename': (app + '/css/' + app + '.css')
    }
    for app in PROJECT_APPS
    if os.path.exists(os.path.join(BASE_PATH, app, 'static', app, 'sass'))])
)