def insertRuleset(self, ruleset, domain):
		'''增加一个robots.txt规则集'''
		cur = self.conn.cursor()
		cur.execute("SELECT did FROM Domains WHERE domain=?", (domain,))
		did = cur.fetchone()[0]
		cur.execute("INSERT INTO Rulesets VALUES (NULL,?,?)",(did, ruleset))
		# 写入到文件
		self.conn.commit()
def test_strictly_between():
    """Greater than y and less than z."""
    p = are.strictly_between(2, 4)
    ps = [p(x) for x in range(1, 6)]
    assert ps == [False, False, True, False, False]