def bowtie_database(): db = get_database('bowtie', readonly=True) yield db db.close()
def perturb_database(): db = get_database('perturb', readonly=True) yield db db.close()
def three_database(): db = get_database('three', readonly=True) yield db db.close()
def xor_database(): db = get_database('xor', readonly=True) yield db db.close()