def cluster():
o = curiousorm.Connection(dsn, dictrows=True)
o.execute('CLUSTER')
o.close()
matched_commitments.insert(bond2commitment(*b), flush_if_full=False)
matched_commitments.flush_if_full()
matched_commitments.flush()
if __name__ == "__main__":
# Read command-line parameters.
dsn = CMBARTER_DSN
level = 0
no_cluster = False
parse_args(sys.argv[1:])
# See if we should perform a trading turn.
db = curiousorm.Connection(dsn, dictrows=True)
should_perform_a_trading_turn = db._lock_solver() # will block if other process has the lock
try:
# "should_perform_a_trading_turn" can be False if the time for
# the next trading turn has not yet come; or if the solver has
# not been explicitly unlocked due to a prior server-crash.
if should_perform_a_trading_turn==True:
db._prepare_commitments()
match_commitments(db)
db._write_deals()
db._perform_housekeeping()
db._schedule_notifications()
db._update_user_limits()
no_cluster or cluster()
finally:
db._unlock_solver()