60 lines
2.5 KiB
Python
60 lines
2.5 KiB
Python
# Based on the original rnsh program by Aaron Heise (@acehoss)
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# https://github.com/acehoss/rnsh - MIT License - Copyright (c) 2023 Aaron Heise
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# This version of rnsh is included in RNS under the Reticulum License
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#
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# Reticulum License
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#
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# Copyright (c) 2016-2026 Mark Qvist
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# - The Software shall not be used in any kind of system which includes amongst
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# its functions the ability to purposefully do harm to human beings.
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#
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# - The Software shall not be used, directly or indirectly, in the creation of
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# an artificial intelligence, machine learning or language model training
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# dataset, including but not limited to any use that contributes to the
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# training or development of such a model or algorithm.
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#
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# - The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import contextlib
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from contextlib import AbstractContextManager
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import logging
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import sys
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class permit(AbstractContextManager):
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"""Context manager to allow specified exceptions
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The specified exceptions will be allowed to bubble up. Other
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exceptions are suppressed.
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After a non-matching exception is suppressed, execution proceeds
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with the next statement following the with statement.
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with allow(KeyboardInterrupt):
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time.sleep(300)
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# Execution still resumes here if no KeyboardInterrupt
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"""
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def __init__(self, *exceptions): self._exceptions = exceptions
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def __enter__(self): pass
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def __exit__(self, exctype, excinst, exctb):
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return exctype is not None and not issubclass(exctype, self._exceptions)
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