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Several files under bindings/python/ have wrong license tags. In general: - Makefiles should be covered by GPL - all python sources under bindings/python/gpiod/ and bindings/python/tests/ that are part of importable modules should be licensed under LGPL - executable examples should be licensed under GPL Reported-by: Vincent Fazio <vfazio@xes-inc.com> Closes: https://github.com/brgl/libgpiod/issues/110 Acked-by: Vincent Fazio <vfazio@xes-inc.com> Link: https://lore.kernel.org/r/20241127150529.126896-1-brgl@bgdev.pl Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
20 lines
541 B
Python
20 lines
541 B
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 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__ = ["poll_fd"]
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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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