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Catching connection lost on _write_bytes #453

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31ecda6
Catching connection lost on _write_bytes
andr-04 Dec 2, 2019
d6d9b51
Merge commit '0a8af2355562ea961477738d66b3334332447186'
andr-04 May 18, 2021
21871e6
_cond.notify() on exceptions as well to prevent infinity waiting on w…
andr-04 May 18, 2021
b67267d
Merge v0.1.1 (commit '8a32f052a16dc3886af54b98f4d91d95862bfb8e')
andr-04 May 13, 2022
983bf7d
Merge tag 'v0.2.0'
andr-04 Mar 23, 2025
510bea6
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Mar 23, 2025
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7 changes: 6 additions & 1 deletion aiomysql/connection.py
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Original file line number Diff line number Diff line change
Expand Up @@ -666,7 +666,12 @@ async def _read_bytes(self, num_bytes):
return data

def _write_bytes(self, data):
return self._writer.write(data)
try:
return self._writer.write(data)
except RuntimeError as e:
self.close()
msg = "Lost connection to MySQL server during query ({})".format(e)
raise OperationalError(2013, msg) from e

async def _read_query_result(self, unbuffered=False):
self._result = None
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4 changes: 2 additions & 2 deletions aiomysql/pool.py
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Original file line number Diff line number Diff line change
Expand Up @@ -183,9 +183,9 @@ async def _fill_free_pool(self, override_min):
**self._conn_kwargs)
# raise exception if pool is closing
self._free.append(conn)
self._cond.notify()
finally:
self._acquiring -= 1
self._cond.notify()
if self._free:
return

Expand All @@ -196,9 +196,9 @@ async def _fill_free_pool(self, override_min):
**self._conn_kwargs)
# raise exception if pool is closing
self._free.append(conn)
self._cond.notify()
finally:
self._acquiring -= 1
self._cond.notify()

async def _wakeup(self):
async with self._cond:
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