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https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git
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4687bcc4f4
We're currently unintentionally exporting a bunch of symbols that should remain local to sub-modules. Use __all__ where appropriate so that we don't re-export standard library functions such as select() etc. in the gpiod module. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
19 lines
503 B
Python
19 lines
503 B
Python
# SPDX-License-Identifier: GPL-2.0-or-later
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# SPDX-FileCopyrightText: 2022 Bartosz Golaszewski <brgl@bgdev.pl>
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from datetime import timedelta
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from select import select
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from typing import Optional, Union
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__all__ = []
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def poll_fd(fd: int, timeout: Optional[Union[timedelta, float]] = None) -> bool:
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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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