def insertWebsite(self, url, domain):
		'''增加一个网页,标记为未访问,并对相应的domain增加其入度'''
		cur = self.conn.cursor()
		cur.execute("SELECT 1 FROM Domains WHERE domain=?", (domain,))
		result = cur.fetchone()
		if not result:
			# 未有对应domain记录, 先创建domain, 把入度设为1
			if VERBOSE:
				print 'Spot Domain:',domain
			self.insertDomain(domain, indegree=1)
			cur.execute("SELECT did FROM Domains WHERE domain=?", (domain,))
			did = cur.fetchone()[0]
		else:
			did = result[0]
			# 对应的domain记录已经存在, 对其入度+1
			cur.execute("UPDATE Domains SET outdegree=outdegree+1 WHERE domain=?", (domain,))

		cur.execute("INSERT INTO Websites VALUES (NULL,?,?,NULL,0)", (did, url,))
		# 写入到文件
		self.conn.commit()
def _checkProvenance(self, resp, item, version, user, eventType,
                         matches=None, fileInfo=None, resource='item'):
        if resp is None:
            resp = self._getProvenance(item, user, resource=resource)
        self.assertStatusOk(resp)
        itemProvenance = resp.json
        self.assertEqual(itemProvenance['resourceId'], str(item['_id']))
        provenance = itemProvenance['provenance']
        self.assertEqual(provenance['eventType'], eventType)
        self.assertEqual(provenance['version'], version)
        self.assertEqual(str(provenance['eventUser']), str(user['_id']))
        if matches:
            for key in matches:
                self.assertEqual(provenance[key], matches[key])
        if fileInfo:
            for key in fileInfo:
                if isinstance(fileInfo[key], dict):
                    for subkey in fileInfo[key]:
                        self.assertEqual(provenance['file'][0][key][subkey],
                                         fileInfo[key][subkey])
                else:
                    self.assertEqual(provenance['file'][0][key], fileInfo[key])