implementation.py - mozsearch

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# This Source Code Form is subject to the terms of the Mozilla Public

# License, v. 2.0. If a copy of the MPL was not distributed with this

# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import signal

import subprocess

from abc import ABC, abstractmethod

class LintProcess(subprocess.Popen, ABC):

    def __init__(self, config, *args, **kwargs):

        self.config = config

        self.results = []

        kwargs["text"] = True

        kwargs["stdout"] = subprocess.PIPE

        kwargs["stderr"] = subprocess.STDOUT

        orig = signal.signal(signal.SIGINT, signal.SIG_IGN)

        subprocess.Popen.__init__(self, *args, **kwargs)

        signal.signal(signal.SIGINT, orig)

    @abstractmethod

    def process_line(self, line):

        """Process a single line of output.

        The implementation is responsible for creating one or more :class:`~mozlint.result.Issue`

        and storing them somewhere accessible.

        Args:

            line (str): The line of output to process.

"""

        pass

    def run(self):

        for line in self.stdout:

            self.process_line(line)