✏️ Editing: emptyattr.py Read Only

# Copyright 2020, Microsoft Corporation
#
# SPDX-License-Identifier: LGPL-2.1-only
#

import logging
from typing import List

from ..exception import InvalidType, InvalidCheckValue
from .checkermodule import CheckerModule
from .util import config_bool_value

ATTR_OPT = "attr"
MISSINOK_OPT = "missing_ok"

class EmptyTypeAttr(CheckerModule):

"""Checker module for asserting a type attribute is empty."""

check_type = "empty_typeattr"
    check_config = frozenset((ATTR_OPT, MISSINOK_OPT))

def __init__(self, policy, checkname, config) -> None:
        super().__init__(policy, checkname, config)
        self.log = logging.getLogger(__name__)
        self._attr = None
        self._missing_ok = False

# this will make the check pass automatically
        # since the attribute is missing.  Only set if
        # missing_ok is True AND attr is missing.
        self._pass_by_missing = False

self.missing_ok = config.get(MISSINOK_OPT)
        self.attr = config.get(ATTR_OPT)

@property
    def attr(self):
        return self._attr

@attr.setter
    def attr(self, value):
        try:
            if not value:
                raise InvalidCheckValue("{}: \"{}\" setting is missing.".format(self.checkname,
                                                                                ATTR_OPT))

self._attr = self.policy.lookup_typeattr(value)
            self._pass_by_missing = False

except InvalidType as e:
            if not self.missing_ok:
                raise InvalidCheckValue("{}: attr setting error: {}".format(
                    self.checkname, e)) from e

self._attr = value
            self._pass_by_missing = True

@property
    def missing_ok(self):
        return self._missing_ok

@missing_ok.setter
    def missing_ok(self, value):
        self._missing_ok = config_bool_value(value)

if self._missing_ok and isinstance(self.attr, str):
            # attr is only a string if it doesn't exist.
            self._pass_by_missing = True
        else:
            self._pass_by_missing = False

def run(self) -> List:
        self.log.info("Checking type attribute {} is empty.".format(self.attr))

failures = []

if self._pass_by_missing:
            self.log_info("    {} does not exist.".format(self.attr))
        else:
            self.output.write("Member types of {}:\n".format(self.attr))

types = sorted(self.attr.expand())
            if types:
                for type_ in types:
                    self.log_fail(type_.name)
                    failures.append(type_)
            else:
                self.log_ok("    <empty>")

self.log.debug("{} failure(s)".format(failures))
        return failures

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