def _get_compiled_css_url(item):
    if ((item.endswith('.less') and
            getattr(settings, 'LESS_PREPROCESS', False)) or
            item.endswith(('.sass', '.scss', '.styl'))):
        compile_css(item)
        return item + '.css'
    return item
Compresses a preprocess file and returns its relative compressed URL.
dataset/ETHPy150Open jsocol/jingo-minify/jingo_minify/helpers.py/_get_compiled_css_url