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(Hopefully) fix a bug where several sig ref data providers try to write to the data store simultaneously on startup.

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Ian Renton
2026-09-18 18:57:18 +01:00
parent 556ea56378
commit 4b51dd9ba5
9 changed files with 19 additions and 17 deletions
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providers/sigrefdata/sig_ref_data_provider.py
+4 -2
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@@ -36,8 +36,10 @@ class SIGRefDataProvider:
def _add_data(self, new_data):
"""Add all the provided reference data objects to the data store."""
# with transact() batches all writes together to save making thousands of individual sqlite writes
with DATA_STORE.sigrefs.transact():
# with transact() batches all writes together to save making thousands of individual sqlite writes. However,
# that means that each provider holds the lock while it writes, and the default behaviour for other attempted
# transact()s is to fail if they can't get the lock (?!). This behaviour is fixed by retry=True.
with DATA_STORE.sigrefs.transact(retry=True):
for d in new_data:
DATA_STORE.sigrefs.set(f"{self.sig_name}:{d.id}", d)