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Server-Sent Event python client library based on aiohttp

License: Other

Python 92.72% Makefile 7.28%

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aiohttp-sse-client2's Issues

RuntimeError following TimeoutError

  • Python version: 3.11.2
  • Operating System: Raspian debian bookworm
  • aiohttp version: aiohttp-3.9.1.dist-info, aiohttp_sse_client2-0.3.0.dist-info

Description

I have the following code

        try:
           async with sse_client.EventSource(self.listen_for_messages_url()) as event_source:
                async for event in event_source:
                    app_log.debug("Received SSE %s with data %s" % (event.type, event.data))
                    # only process put and patch events
                    if event.type in ["put", "patch"]:
                        self.message_capture(event.data)
        except ConnectionError:
            app_log.error("ConnectionError: %s" % traceback.format_exc())
        except TimeoutError:
            app_log.error("TimeoutError: %s" % traceback.format_exc())
        except RuntimeError:
            app_log.error("RuntimeError: %s" % traceback.format_exc())
        except Exception:
            app_log.error("UnexpectedError: %s" % traceback.format_exc())

Occasionally I see TimeoutErrors, but the code records fine in most cases. Somehow now I'm getting the following RuntimeError after a TimeoutError (I'm not sure if they're related).

2024-01-30 08:06:25,201 ERROR /home/mm/.ctrlenv/lib/python3.11/site-packages/mm_controller/cloud.py :: message_reader(196) RuntimeError: Traceback (most recent call last):
  File "/home/mm/.ctrlenv/lib/python3.11/site-packages/mm_controller/cloud.py", line 185, in message_reader
    async with sse_client.EventSource(self.listen_for_messages_url()) as event_source:
  File "/home/mm/.ctrlenv/lib/python3.11/site-packages/aiohttp_sse_client2/client.py", line 126, in __aenter__
    await self.connect(self._max_connect_retry)
  File "/home/mm/.ctrlenv/lib/python3.11/site-packages/aiohttp_sse_client2/client.py", line 214, in connect
    response = await self._session.request(
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/mm/.ctrlenv/lib/python3.11/site-packages/aiohttp/client.py", line 574, in _request
    conn = await self._connector.connect(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/mm/.ctrlenv/lib/python3.11/site-packages/aiohttp/connector.py", line 544, in connect
    proto = await self._create_connection(req, traces, timeout)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/mm/.ctrlenv/lib/python3.11/site-packages/aiohttp/connector.py", line 911, in _create_connection
    _, proto = await self._create_direct_connection(req, traces, timeout)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/mm/.ctrlenv/lib/python3.11/site-packages/aiohttp/connector.py", line 1173, in _create_direct_connection
    hosts = await asyncio.shield(host_resolved)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/mm/.ctrlenv/lib/python3.11/site-packages/aiohttp/connector.py", line 884, in _resolve_host
    addrs = await self._resolver.resolve(host, port, family=self._family)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/mm/.ctrlenv/lib/python3.11/site-packages/aiohttp/resolver.py", line 33, in resolve
    infos = await self._loop.getaddrinfo(
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/asyncio/base_events.py", line 867, in getaddrinfo
    return await self.run_in_executor(
                 ^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/asyncio/base_events.py", line 829, in run_in_executor
    executor.submit(func, *args), loop=self)
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/concurrent/futures/thread.py", line 169, in submit
    raise RuntimeError('cannot schedule new futures after '
RuntimeError: cannot schedule new futures after interpreter shutdown

Any ideas where to look to fix this?

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