def updateInfo(self, item, newlinks, oldlinks):
		'''爬虫爬完之后对数据库内容进行更新'''
		cur = self.conn.cursor()
		cur.execute("SELECT wid,did FROM Websites WHERE url=?", (item['url'],))
		wid, did = cur.fetchone()
		# website记录更新
		cur.execute("UPDATE Websites SET title=?,visited=1 WHERE wid=?", (item['title'], wid,))
		# 对应的domain记录中出度也需要更新
		cur.execute("UPDATE Domains SET outdegree=outdegree+? WHERE did=?", (len(item['links']), did,))

		# 对该网页中所有链接涉及的记录进行更新
		# 外部判断未出现过的链接
		for link,domain in newlinks:
			self.insertWebsite(link, domain)

		# 外部判断出现过的链接
		for link,domain in oldlinks:
			# 对对应的domain记录入度增加
			cur.execute("UPDATE Domains SET outdegree=outdegree+1 WHERE domain=?", (domain,))
		# 写入到文件
		self.conn.commit()
def GetCompletions_Basic_test( app ):
  filepath = PathToTestFile( 'basic.py' )
  completion_data = BuildRequest( filepath = filepath,
                                  filetype = 'python',
                                  contents = ReadFile( filepath ),
                                  line_num = 7,
                                  column_num = 3)

  results = app.post_json( '/completions',
                           completion_data ).json[ 'completions' ]

  assert_that( results,
               has_items(
                 CompletionEntryMatcher( 'a' ),
                 CompletionEntryMatcher( 'b' ),
                 CompletionLocationMatcher( 'line_num', 3 ),
                 CompletionLocationMatcher( 'line_num', 4 ),
                 CompletionLocationMatcher( 'column_num', 10 ),
                 CompletionLocationMatcher( 'filepath', filepath ) ) )