File: less.py

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django-pipeline 4.0.0-4
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from os.path import dirname

from pipeline.compilers import SubProcessCompiler
from pipeline.conf import settings


class LessCompiler(SubProcessCompiler):
    output_extension = "css"

    def match_file(self, filename):
        return filename.endswith(".less")

    def compile_file(self, infile, outfile, outdated=False, force=False):
        # Pipe to file rather than provide outfile arg due to a bug in lessc
        command = (
            settings.LESS_BINARY,
            settings.LESS_ARGUMENTS,
            infile,
        )
        return self.execute_command(
            command, cwd=dirname(infile), stdout_captured=outfile
        )