def connect(self, readonly=False, force_commit=False):
"""
Pulls a connection from the pool when context is entered and
returns it when context is exited.
A COMMIT is performed on the current transaction if everything went
well. Otherwise transaction is ROLLBACK, and everything cleaned up.
"""
with_transaction = not readonly and self.commit_manually
session = None
try:
# Pull connection from pool.
session = self.session_factory()
# Start context
yield session
if not readonly and not self.commit_manually:
# Mark session as dirty.
self.invalidate(session)
# Success
if with_transaction:
session.commit()
elif force_commit:
# Commit like would do a succesful request.
zope_transaction.commit()
except sqlalchemy.exc.SQLAlchemyError as e:
logger.error(e)
if session and with_transaction:
session.rollback()
raise exceptions.BackendError(original=e)
finally:
if session and self.commit_manually:
# Give back to pool if commit done manually.
session.close()
def connect(self, readonly=False, force_commit=False):
"""
Pulls a connection from the pool when context is entered and
returns it when context is exited.
A COMMIT is performed on the current transaction if everything went
well. Otherwise transaction is ROLLBACK, and everything cleaned up.
"""
with_transaction = not readonly and self.commit_manually
session = None
try:
# Pull connection from pool.
session = self.session_factory()
# Start context
yield session
if not readonly and not self.commit_manually:
# Mark session as dirty.
self.invalidate(session)
# Success
if with_transaction:
session.commit()
elif force_commit:
# Commit like would do a succesful request.
zope_transaction.commit()
except sqlalchemy.exc.SQLAlchemyError as e:
logger.error(e)
if session and with_transaction:
session.rollback()
raise exceptions.BackendError(original=e) from e
finally:
if session and self.commit_manually:
# Give back to pool if commit done manually.
session.close()
def __call__(self, event):
try:
payload = json.dumps(event.payload)
except TypeError:
logger.error("Unable to dump the payload", exc_info=True)
return
try:
self._client.lpush(self.listname, payload)
except Exception:
logger.error("Unable to send the payload to Redis", exc_info=True)
def __call__(self, event):
try:
logger.info(json.dumps(event.payload))
except TypeError:
logger.error("Unable to dump the payload", exc_info=True)
return