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Fix some cache bugs and ensure member is always returned on delete calls #892

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@davfsa davfsa commented Nov 7, 2021

Checklist

  • I have run nox and all the pipelines have passed.
  • I have made unittests according to the code I have added/modified/deleted.

@davfsa davfsa added the bug Something isn't working label Nov 7, 2021
@@ -820,8 +820,6 @@ def _garbage_collect_member(
guild_record.members = None
self._remove_guild_record_if_empty(member.object.guild_id, guild_record)

return member
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You should probably just change this to return the object if it wasn't originally marked as has_been_deleted

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The reason I changed this to not return anything is because there is no need, as the information we return in the same as the one we take in. The cases we use this for atm don't even need what we return

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Clear and delete methods should only be returning objects which were actually marked as deleted not objects which were only being kept alive by references, the way you've changed the semantics still leads to erroneous behaviour and simply changing the behaviour of the garbage collect method will instruct both the delete and clear methods on what they should be saying was deleted and avoids a ton of other code changes

hikari/impl/cache.py Outdated Show resolved Hide resolved
@@ -1459,12 +1455,13 @@ def _garbage_collect_message(
*,
decrement: typing.Optional[int] = None,
override_ref: bool = False,
) -> typing.Optional[cache_utility.RefCell[cache_utility.MessageData]]:
) -> bool:
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This change seems unnecessary and breaks the standard pattern for these methods

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The other methods currently only return None. I changed this since I dont think it makes sense to return the exact same thing that was sent in, considering how we are using this function atm

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The methods which were previously only returning None are doing this because they have no relevant delete and clear methods, they are not the same case

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think it makes sense to return the exact same thing that was sent in,

Look at how clear members was using it before

@@ -1485,7 +1482,7 @@ def _garbage_collect_message(
if message.object.id in self._referenced_messages:
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This should return None/False/whatever you feel like if it was already marked as deleted

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The uses for this function stay the same, so either its a bug I didnt fix or I did in fact miss something. I dont get the point for an extra return tho

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Clear and delete methods should only be returning objects which were actually marked as deleted not objects which were only being kept alive by references

@davfsa davfsa marked this pull request as draft November 9, 2021 08:39
@davfsa davfsa self-assigned this Nov 9, 2021
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davfsa commented Jan 1, 2022

Will let @norinorin take care of this pr

@davfsa davfsa closed this Jan 1, 2022
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davfsa commented Jan 1, 2022

Sorry, wrong pr 😅

@davfsa davfsa reopened this Jan 1, 2022
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