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  #   ˆl–ß=¿JÕ/”Še@·q§îµ1hßÂƒ[wÁÀ¿ m    # Copyright 2014-2015, Tresys Technology, LLC
#
# SPDX-License-Identifier: LGPL-2.1-only
#
import logging
import re
from typing import Iterable

from .descriptors import CriteriaSetDescriptor
from .mixins import MatchName
from .policyrep import TypeAttribute
from .query import PolicyQuery
from .util import match_regex_or_set


class TypeAttributeQuery(MatchName, PolicyQuery):

    """
    Query SELinux policy type attributes.

    Parameter:
    policy            The policy to query.

    Keyword Parameters/Class attributes:
    name                The type name to match.
    name_regex          If true, regular expression matching
                        will be used on the type names.
    types               The type to match.
    types_equal         If true, only attributes with type sets
                        that are equal to the criteria will
                        match.  Otherwise, any intersection
                        will match.
    types_regex         If true, regular expression matching
                        will be used on the type names instead
                        of set logic.
    """

    types = CriteriaSetDescriptor("types_regex", "lookup_type")
    types_equal: bool = False
    types_regex: bool = False

    def __init__(self, policy, **kwargs) -> None:
        super(TypeAttributeQuery, self).__init__(policy, **kwargs)
        self.log = logging.getLogger(__name__)

    def results(self) -> Iterable[TypeAttribute]:
        """Generator which yields all matching types."""
        self.log.info("Generating type attribute results from {0.policy}".format(self))
        self._match_name_debug(self.log)
        self.log.debug("Types: {0.types!r}, regex: {0.types_regex}, "
                       "eq: {0.types_equal}".format(self))

        for attr in self.policy.typeattributes():
            if not self._match_name(attr):
                continue

            if self.types and not match_regex_or_set(
                    set(attr.expand()),
                    self.types,
                    self.types_equal,
                    self.types_regex):
                continue

            yield attr
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  #   ˆl–Ðz¾”d*hŠm@·q—îå1hßÄƒy·ÃÂÁ !y    import sys
from types import CodeType

from . import TemplateSyntaxError
from ._compat import PYPY
from .utils import internal_code
from .utils import missing


def rewrite_traceback_stack(source=None):
    """Rewrite the current exception to replace any tracebacks from
    within compiled template code with tracebacks that look like they
    came from the template source.

    This must be called within an ``except`` block.

    :param exc_info: A :meth:`sys.exc_info` tuple. If not provided,
        the current ``exc_info`` is used.
    :param source: For ``TemplateSyntaxError``, the original source if
        known.
    :return: A :meth:`sys.exc_info` tuple that can be re-raised.
    """
    exc_type, exc_value, tb = sys.exc_info()

    if isinstance(exc_value, TemplateSyntaxError) and not exc_value.translated:
        exc_value.translated = True
        exc_value.source = source

        try:
            # Remove the old traceback on Python 3, otherwise the frames
            # from the compiler still show up.
            exc_value.with_traceback(None)
        except AttributeError:
            pass

        # Outside of runtime, so the frame isn't executing template
        # code, but it still needs to point at the template.
        tb = fake_traceback(
            exc_value, None, exc_value.filename or "<unknown>", exc_value.lineno
        )
    else:
        # Skip the frame for the render function.
        tb = tb.tb_next

    stack = []

    # Build the stack of traceback object, replacing any in template
    # code with the source file and line information.
    while tb is not None:
        # Skip frames decorated with @internalcode. These are internal
        # calls that aren't useful in template debugging output.
        if tb.t