PYTHON-5488 append_metadata should not add duplicates#2461
PYTHON-5488 append_metadata should not add duplicates#2461sleepyStick merged 11 commits intomongodb:masterfrom
append_metadata should not add duplicates#2461Conversation
pymongo/pool_options.py
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| if driver.name in self.__metadata["driver"]["name"].split("|"): | ||
| return |
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I'm thinking we should be case-insensitive. "LangChain" vs. "langchain" should not make a difference.
I cannot remember if we already lowercase everything in name (I don't think we do).
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good call, changed!
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Another thought, should we be adding a |
pymongo/pool_options.py
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| def _update_metadata(self, driver: DriverInfo) -> None: | ||
| """Updates the client's metadata""" | ||
| if driver.name.lower() in self.__metadata["driver"]["name"].lower().split("|"): |
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Need to check for driver.name being None before calling lower().
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the type of DriverInfo.name shouldn't be none. Would the check here be enforcing that the caller is following that rule?
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We check on line 393 that driver.name exists, so extending the same check here makes sense. We don't explicitly prevent driver.name from being None, so I'd prefer to err on the safe side to prevent errors being thrown by misbehaving users.
| self.assertIsNone(self.handshake_req) | ||
| self.assertEqual(listener.event_count(ConnectionClosedEvent), 0) | ||
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| async def test_duplicate_driver_name_no_op(self): |
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Can we refactor check_metadata_added to support checking that the new metadata is the same as the old metadata? Most of this method is just duplicate code from check_metadata_added.
Can you give an example? |
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If I add DriverInfo with no |
Good point. Always adding "|" to each field, even if it's not present, seems like a good fix. |
Good catch. Sounds like we need a spec update for this case to ensure all drivers behave the same. |
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@sleepyStick we're still missing the logic to ensure an equal number of |
pymongo/pool_options.py
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| if driver.platform: | ||
| metadata["platform"] = "{}|{}".format(metadata["platform"], driver.platform) | ||
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| name = driver.name if driver.name else "" |
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These can be simplified to driver.xxx or ""
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drivers-pr-bot please backport to v4.14 |
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| def _update_metadata(self, driver: DriverInfo) -> None: | ||
| """Updates the client's metadata""" | ||
| if driver.name and driver.name.lower() in self.__metadata["driver"]["name"].lower().split( |
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Minor nit: we don't need the split() call here. Does having it improve readability?
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I was mainly worried about potential substrings? like if driver.name is a substring of an existing name, its not the same and therefore still should be added?
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Ah good point! Great find on that edge case, better to be safe here and use the split!
(cherry picked from commit 2a1523f)
…4] (#2483) Co-authored-by: Iris <58442094+sleepyStick@users.noreply.github.com>
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(not sure if this was urgent or not, but it was a relatively quick fix and i was worried this would be blocking the langchain PR)