Created
February 3, 2017 06:29
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A context manager that suppresses exceptions (like contextlib.suppress) and instead evokes warnings. Implementation idea by @alonhorev.
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| import contextlib | |
| class ExceptionWarning(Warning): | |
| pass | |
| @contextlib.contextmanager | |
| def warn_and_suppress(*exceptions): | |
| try: | |
| yield | |
| except exceptions as e: | |
| import warnings | |
| warnings.warn(str(e), ExceptionWarning, stacklevel=2) | |
| if __name__ == '__main__': | |
| with warn_and_suppress(ZeroDivisionError): | |
| a = 1 / 0 | |
| with warn_and_suppress(FileNotFoundError, FileExistsError): | |
| b = 5 / 0 |
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