<h2>Editing File: /usr/lib64/python3.6/site-packages/setools/devicetreeconquery.py</h2><form method='post'><textarea name='content' class='file-edit'># Derived from portconquery.py
#
# This file is part of SETools.
#
# SETools is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 2.1 of
# the License, or (at your option) any later version.
#
# SETools is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with SETools.  If not, see
# &lt;http://www.gnu.org/licenses/&gt;.
#
import logging

from .mixins import MatchContext
from .query import PolicyQuery


class DevicetreeconQuery(MatchContext, PolicyQuery):

    &quot;&quot;&quot;
    Devicetreecon context query.

    Parameter:
    policy          The policy to query.

    Keyword Parameters/Class attributes:
    path             A single devicetree path.

    user            The criteria to match the context's user.
    user_regex      If true, regular expression matching
                    will be used on the user.

    role            The criteria to match the context's role.
    role_regex      If true, regular expression matching
                    will be used on the role.

    type_           The criteria to match the context's type.
    type_regex      If true, regular expression matching
                    will be used on the type.

    range_          The criteria to match the context's range.
    range_subset    If true, the criteria will match if it is a subset
                    of the context's range.
    range_overlap   If true, the criteria will match if it overlaps
                    any of the context's range.
    range_superset  If true, the criteria will match if it is a superset
                    of the context's range.
    range_proper    If true, use proper superset/subset operations.
                    No effect if not using set operations.
    &quot;&quot;&quot;

    path = None

    def __init__(self, policy, **kwargs):
        super(DevicetreeconQuery, self).__init__(policy, **kwargs)
        self.log = logging.getLogger(__name__)

    def results(self):
        &quot;&quot;&quot;Generator which yields all matching devicetreecons.&quot;&quot;&quot;
        self.log.info(&quot;Generating results from {0.policy}&quot;.format(self))
        self.log.debug(&quot;Path: {0.path!r}&quot;.format(self))
        self._match_context_debug(self.log)

        for devicetreecon in self.policy.devicetreecons():

            if self.path and self.path != devicetreecon.path:
                continue

            if not self._match_context(devicetreecon.context):
                continue

            yield devicetreecon
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