Class _ExceptionLoggingContext

python/python3/tornado/http1connection.py:47–68

Used with the ``with`` statement when calling delegate methods to log any exceptions with the given logger. Any exceptions caught are converted to _QuietException

class _ExceptionLoggingContext(object):
    """Used with the ``with`` statement when calling delegate methods to
    log any exceptions with the given logger.  Any exceptions caught are
    converted to _QuietException
    """

    def __init__(self, logger: logging.Logger) -> None:
        self.logger = logger

    def __enter__(self) -> None:
        pass

    def __exit__(
        self,
        typ: "Optional[Type[BaseException]]",
        value: Optional[BaseException],
        tb: types.TracebackType,
    ) -> None:
        if value is not None:
            assert typ is not None
            self.logger.error("Uncaught exception", exc_info=(typ, value, tb))
            raise _QuietException


class HTTP1ConnectionParameters(object):