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How to use the procrastinate.utils.causes function in procrastinate

To help you get started, we’ve selected a few procrastinate examples, based on popular ways it is used in public projects.

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peopledoc / procrastinate / tests / unit / test_utils.py View on Github

def test_causes():
    e1, e2, e3 = AttributeError("foo"), KeyError("bar"), IndexError("baz")

    try:
        try:
            # e3 will be e2's __cause__
            raise e2 from e3
        except Exception:
            # e2 will be e1's __context__
            raise e1
    except Exception as exc2:
        result = list(utils.causes(exc2))

    assert result == [e1, e2, e3]

peopledoc / procrastinate / procrastinate / cli.py View on Github

def handle_errors():
    try:
        yield
    except Exception as exc:
        logger.debug("Exception details:", exc_info=exc)
        messages = [str(e) for e in utils.causes(exc)]
        raise click.ClickException("\n".join(e for e in messages if e))