Files
sunnypilot/system/loggerd/xattr_cache.py
Cameron Clough 9bd90112d0 use pyupgrade to update to new typing syntax (#31580)
* add pyupgrade hook

* run pyupgrade (pre-commit run -a)

* ruff --fix

* Revert "add pyupgrade hook"

This reverts commit 56ec18bb6b8602a0b612f3803d96cdad14b52066.

* revert changes to third_party/

* manual type fixes

* explicit Optional wrapping capnp objects
old-commit-hash: 995250ae49
2024-02-24 16:41:23 -08:00

23 lines
649 B
Python

import os
import errno
_cached_attributes: dict[tuple, bytes | None] = {}
def getxattr(path: str, attr_name: str) -> bytes | None:
key = (path, attr_name)
if key not in _cached_attributes:
try:
response = os.getxattr(path, attr_name)
except OSError as e:
# ENODATA means attribute hasn't been set
if e.errno == errno.ENODATA:
response = None
else:
raise
_cached_attributes[key] = response
return _cached_attributes[key]
def setxattr(path: str, attr_name: str, attr_value: bytes) -> None:
_cached_attributes.pop((path, attr_name), None)
return os.setxattr(path, attr_name, attr_value)