mirror of
https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git
synced 2026-10-25 12:39:18 +03:00
8c9d5b4fdf
Previously, Chip.request_lines and LineRequest.reconfigure_lines iterated over a config object but did so in subtly different ways. Create a generator that iterates over a config object and returns line + settings pairs. Update the aforementioned functions to use the generator to consolidate and condense code. Signed-off-by: Vincent Fazio <vfazio@gmail.com> Link: https://lore.kernel.org/r/20251009130516.3729433-2-vfazio@gmail.com Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
# SPDX-License-Identifier: LGPL-2.1-or-later
|
|
# SPDX-FileCopyrightText: 2022 Bartosz Golaszewski <brgl@bgdev.pl>
|
|
|
|
from __future__ import annotations
|
|
|
|
from datetime import timedelta
|
|
from select import select
|
|
from typing import TYPE_CHECKING, Optional, Union
|
|
|
|
if TYPE_CHECKING:
|
|
from collections.abc import Generator, Iterable
|
|
|
|
from .line_settings import LineSettings
|
|
|
|
__all__ = ["poll_fd", "config_iter"]
|
|
|
|
|
|
def poll_fd(fd: int, timeout: Optional[Union[timedelta, float]] = None) -> bool:
|
|
sec: Union[float, None]
|
|
if isinstance(timeout, timedelta):
|
|
sec = timeout.total_seconds()
|
|
else:
|
|
sec = timeout
|
|
|
|
readable, _, _ = select([fd], [], [], sec)
|
|
return True if fd in readable else False
|
|
|
|
|
|
def config_iter(
|
|
config: dict[Union[Iterable[Union[int, str]], int, str], Optional[LineSettings]],
|
|
) -> Generator[tuple[Union[int, str], Optional[LineSettings]]]:
|
|
for key, settings in config.items():
|
|
if isinstance(key, int) or isinstance(key, str):
|
|
yield key, settings
|
|
else:
|
|
for subkey in key:
|
|
yield subkey, settings
|