def mexsession(config):
"Create a BQApi BQSession object based on config"
host = config.get ( 'host.root')
user = config.get ( 'host.user')
passwd = config.get ( 'host.password')
bq = BQSession()
bq.config = config
bq.init_local (user, passwd, bisque_root = host, create_mex = True)
yield bq
bq.close()
