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Async get event cache prep (#13242)

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Some experimental prep work to enable external event caching based on #9379 & #12955. Doesn't actually move the cache at all, just lays the groundwork for async implemented caches.

Signed off by Nick @ Beeper (@Fizzadar)
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Nick Mills-Barrett 2022-07-15 11:30:46 +02:00 • committed by GitHub
parent 21eeacc995
commit cc21a431f3
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11 changed files with 86 additions and 26 deletions
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10
synapse/storage/database.py
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@ -57,7 +57,7 @@ from synapse.metrics.background_process_metrics import run_as_background_process
from synapse.storage.background_updates import BackgroundUpdater
from synapse.storage.engines import BaseDatabaseEngine, PostgresEngine, Sqlite3Engine
from synapse.storage.types import Connection, Cursor
from synapse.util.async_helpers import delay_cancellation
from synapse.util.async_helpers import delay_cancellation, maybe_awaitable
from synapse.util.iterutils import batch_iter
if TYPE_CHECKING:
@ -818,12 +818,14 @@ class DatabasePool:
)
for after_callback, after_args, after_kwargs in after_callbacks:
after_callback(*after_args, **after_kwargs)
await maybe_awaitable(after_callback(*after_args, **after_kwargs))
return cast(R, result)
except Exception:
for after_callback, after_args, after_kwargs in exception_callbacks:
after_callback(*after_args, **after_kwargs)
for exception_callback, after_args, after_kwargs in exception_callbacks:
await maybe_awaitable(
exception_callback(*after_args, **after_kwargs)
)
raise
# To handle cancellation, we ensure that `after_callback`s and