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https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git
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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
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# SPDX-FileCopyrightText: 2022 Bartosz Golaszewski <brgl@bgdev.pl>
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from __future__ import annotations
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from datetime import timedelta
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from select import select
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from typing import TYPE_CHECKING, Optional, Union
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if TYPE_CHECKING:
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from collections.abc import Generator, Iterable
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from .line_settings import LineSettings
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__all__ = ["poll_fd", "config_iter"]
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def poll_fd(fd: int, timeout: Optional[Union[timedelta, float]] = None) -> bool:
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sec: Union[float, None]
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if isinstance(timeout, timedelta):
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sec = timeout.total_seconds()
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else:
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sec = timeout
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readable, _, _ = select([fd], [], [], sec)
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return True if fd in readable else False
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def config_iter(
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config: dict[Union[Iterable[Union[int, str]], int, str], Optional[LineSettings]],
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) -> Generator[tuple[Union[int, str], Optional[LineSettings]]]:
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for key, settings in config.items():
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if isinstance(key, int) or isinstance(key, str):
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yield key, settings
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else:
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for subkey in key:
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yield subkey, settings
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