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_conflicting_initializers(self):
        class POINT(Structure):
            _fields_ = [("x", c_int), ("y", c_int)]
        # conflicting positional and keyword args
        self.assertRaises(TypeError, POINT, 2, 3, x=4)
        self.assertRaises(TypeError, POINT, 2, 3, y=4)

        # too many initializers
        self.assertRaises(TypeError, POINT, 2, 3, 4)