8a195d7502
Extract the `suppress_oserror()` function from the ObjectManager and make it available as utility for other code as well. This also adds a bunch of tests that verify it works as expected.
35 lines
845 B
Python
35 lines
845 B
Python
"""ContextManager Utilities
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This module implements helpers around python context-managers, with-statements,
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and RAII. It is meant as a supplement to `contextlib` from the python standard
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library.
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"""
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import contextlib
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__all__ = [
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"suppress_oserror",
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]
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@contextlib.contextmanager
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def suppress_oserror(*errnos):
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"""Suppress OSError Exceptions
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This is an extension to `contextlib.suppress()` from the python standard
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library. It catches any `OSError` exceptions and suppresses them. However,
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it only catches the exceptions that match the specified error numbers.
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Parameters
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----------
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errnos
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A list of error numbers to match on. If none are specified, this
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function has no effect.
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"""
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try:
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yield
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except OSError as e:
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if e.errno not in errnos:
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raise e
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