utils.py

def pylint(path, **meta):
    """ Pylint code checking.

    :return list: List of errors.

    """
    from sys import version_info
    if version_info > (3, 0):
        import logging
        logging.warn("Pylint don't supported python3 and will be disabled.")
        return []

    # Clean ASTNG MANAGER cache # 1
    # ------------------------------
    from .pylint.logilab.astng.builder import MANAGER
    MANAGER.astng_cache.clear()

    # Clean ASTNG MANAGER cache # 2
    # ------------------------------
    from .pylint.logilab.astng.builder import MANAGER
    MANAGER.astng_cache = {}
    MANAGER._mod_file_cache = {}
    MANAGER.transformers = []
    MANAGER.brain = {}

    # Clean ASTNG MANAGER cache # 3
    # ------------------------------
    from .pylint.logilab.astng import builder, manager
    manager.ASTNGManager.brain = {}
    builder.MANAGER = manager.ASTNGManager()

    from .pylint.lint import Run
    from .pylint.reporters import BaseReporter

    class Reporter(BaseReporter):

        def __init__(self):
            self.errors = []
            BaseReporter.__init__(self)

        def _display(self, layout):
            pass

        def add_message(self, msg_id, location, msg):
            _, _, line, col = location[1:]
            self.errors.append(dict(
                lnum=line,
                col=col,
                text="%s %s" % (msg_id, msg),
                type=msg_id[0]
            ))

    pylintrc = op.join(environ.get('HOME', ''), '.pylintrc')
    defattrs = '-r n'
    if not op.exists(pylintrc):
        defattrs += ' --rcfile={0}'.format(PYLINT_RC)
    attrs = meta.get('pylint', defattrs.split())

    runner = Run(
        [path] + attrs, reporter=Reporter(), exit=False)
    return runner.linter.reporter.errors