dragonpilot - 基於 openpilot 的開源駕駛輔助系統
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from typing import Dict, Tuple
from common.xattr import getxattr as getattr1
from common.xattr import setxattr as setattr1
cached_attributes: Dict[Tuple, bytes] = {}
def getxattr(path: str, attr_name: bytes) -> bytes:
if (path, attr_name) not in cached_attributes:
response = getattr1(path, attr_name)
cached_attributes[(path, attr_name)] = response
return cached_attributes[(path, attr_name)]
def setxattr(path: str, attr_name: str, attr_value: bytes) -> None:
cached_attributes.pop((path, attr_name), None)
return setattr1(path, attr_name, attr_value)