Class HTTPStreamClosedError

python/python3/tornado/simple_httpclient.py:60–76

Error raised by SimpleAsyncHTTPClient when the underlying stream is closed. When a more specific exception is available (such as `ConnectionResetError`), it may be raised instead of this one. For historical reasons, this is a subclass of `.HTTPClientError` which simulates a respons

class HTTPStreamClosedError(HTTPError):
    """Error raised by SimpleAsyncHTTPClient when the underlying stream is closed.

    When a more specific exception is available (such as `ConnectionResetError`),
    it may be raised instead of this one.

    For historical reasons, this is a subclass of `.HTTPClientError`
    which simulates a response code of 599.

    .. versionadded:: 5.1
    """

    def __init__(self, message: str) -> None:
        super().__init__(599, message=message)

    def __str__(self) -> str:
        return self.message or "Stream closed"


class SimpleAsyncHTTPClient(AsyncHTTPClient):