Gracefully handle websocket errors on python side #2157
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timkpaine
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texodus
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Apr 4, 2023
| await self._ws.send_bytes(message) | ||
| else: | ||
| await self._ws.send_str(message) | ||
| except WebSocketError: |
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I don't know enough about the ecosystem of possible exceptions here, but I have spent countless hours of my life chasing bugs that would've been immediately obvious had they not been swallowed by a blanket catch block. At minimum, some comments about what to expect in these cases and why would be super helpful - but I propose we generally try to handle specific exceptions instead, which would also communicate intent here.
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Maybe also in this case merits a debug log, now that I think about it.
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Disconnect-related errors were handled for
aiohttpandstarlettewhen waiting for the client to send a message, this PR adds that same support to tornado but also handles disconnect when trying to send outbound messages.Note While testing, I noticed the route to the themes is incorrect, this is particularly noticeable after the recent theme changes