def buildTransaction(self):
"""Build transaction.
returns False if empty.
"""
try:
with self._disableOutput:
ret = False
self._sink.verbose("Building transaction")
rc, msg = self._yb.buildTransaction()
if rc == 0:
self._sink.verbose("Empty transaction")
elif rc == 2:
ret = True
self._sink.verbose("Transaction built")
else:
raise YumBaseError(msg)
return ret
except Exception as e:
self._sink.error(e)
raise
