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fix Repository._active_txn state when lock upgrade fails

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This commit is contained in:
Thomas Waldmann 2015-03-09 20:45:31 +01:00
parent 954b26f64c
commit 3b744d2ee8
1 changed files with 8 additions and 1 deletions
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9
attic/repository.py
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@ -138,7 +138,14 @@ def open_index(self, transaction_id):
def prepare_txn(self, transaction_id, do_cleanup=True):
self._active_txn = True
self.lock.upgrade()
try:
self.lock.upgrade()
except UpgradableLock.WriteLockFailed:
# if upgrading the lock to exclusive fails, we do not have an
# active transaction. this is important for "serve" mode, where
# the repository instance lives on - even if exceptions happened.
self._active_txn = False
raise
if not self.index:
self.index = self.open_index(transaction_id)
if transaction_id is None: