PYTHON-4724 - Prohibit AsyncMongoClient from being used across multiple event loops #2256
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…ultiple event loop
sleepyStick
previously approved these changes
Apr 2, 2025
ShaneHarvey
requested changes
Apr 3, 2025
pymongo/asynchronous/mongo_client.py
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| self._closed = False | ||
| self._loop: Optional[asyncio.AbstractEventLoop] = None | ||
| if not _IS_SYNC: | ||
| # Check if the client was created within a running event loop. |
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We can remove this part since it's overly restrictive. We should only bind the loop on the first operation.
ShaneHarvey
reviewed
Apr 3, 2025
pymongo/asynchronous/mongo_client.py
Outdated
| if self._loop is None: | ||
| self._loop = asyncio.get_running_loop() | ||
| else: | ||
| if self._loop != asyncio.get_running_loop(): |
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nit: we could make this an elif
ShaneHarvey
requested changes
Apr 3, 2025
pymongo/asynchronous/mongo_client.py
Outdated
| if self._loop is None: | ||
| self._loop = asyncio.get_running_loop() | ||
| elif self._loop != asyncio.get_running_loop(): | ||
| raise RuntimeError("Cannot use AsyncMongoClient in different event loop") |
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Are there any docs we can point to in this error message? Or can we make it a bit more explanatory?
ShaneHarvey
approved these changes
Apr 4, 2025
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