# Derived from portconquery.py
#
# SPDX-License-Identifier: LGPL-2.1-only
#
import logging
from typing import Iterable, Optional
from .mixins import MatchContext
from .policyrep import Pcidevicecon
from .query import PolicyQuery
class PcideviceconQuery(MatchContext, PolicyQuery):
"""
Pcidevicecon context query.
Parameter:
policy The policy to query.
Keyword Parameters/Class attributes:
device A single PCI device ID.
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.
"""
_device: Optional[int] = None
@property
def device(self) -> Optional[int]:
return self._device
@device.setter
def device(self, value: Optional[int]) -> None:
if value:
if value < 1:
raise ValueError("PCI device ID must be positive: {0}".format(value))
self._device = value
else:
self._device = None
def __init__(self, policy, **kwargs) -> None:
super(PcideviceconQuery, self).__init__(policy, **kwargs)
self.log = logging.getLogger(__name__)
def results(self) -> Iterable[Pcidevicecon]:
"""Generator which yields all matching pcidevicecons."""
self.log.info("Generating results from {0.policy}".format(self))
self.log.debug("Device ID: {0.device!r}".format(self))
self._match_context_debug(self.log)
for pcidevicecon in self.policy.pcidevicecons():
if self.device and self.device != pcidevicecon.device:
continue
if not self._match_context(pcidevicecon.context):
continue
yield pcidevicecon
