如何从Python脚本结果中去除u''？

Question

我正在尝试用python/scrapy写一个解析脚本。请问我该如何从结果文件中的字符串中去掉[]和u'呢？

现在我有这样的文本：

from scrapy.spider import BaseSpider
from scrapy.selector import HtmlXPathSelector
from scrapy.utils.markup import remove_tags
from googleparser.items import GoogleparserItem
import sys

class GoogleparserSpider(BaseSpider):
    name = "google.com"
    allowed_domains = ["google.com"]
    start_urls = [
        "http://www.google.com/search?q=this+is+first+test&num=20&hl=uk&start=0",
    "http://www.google.com/search?q=this+is+second+test&num=20&hl=uk&start=0"
    ]

    def parse(self, response):
       print "===START======================================================="
       hxs = HtmlXPathSelector(response)
       qqq = hxs.select('/html/head/title/text()').extract()
       print qqq
       print "---DATA--------------------------------------------------------"

       sites = hxs.select('/html/body/div[5]/div[3]/div/div/div/ol/li/h3')
       i = 1
       items = []
       for site in sites:
           try:
           item = GoogleparserItem()
           title1 = site.select('a').extract()
           title2=str(title1)
           title=remove_tags(title2)
           link=site.select('a/@href').extract()
               item['num'] = i  
           item['title'] = title
               item['link'] = link
               i= i+1
               items.append(item)
           except: 
               print 'EXCEPTION'
       return items
       print "===END========================================================="

SPIDER = GoogleparserSpider()

在运行后，我得到了这样的结果：

python scrapy-ctl.py crawl google.com

2010-07-25 17:44:44+0300 [-] Log opened.
2010-07-25 17:44:44+0300 [googleparser] DEBUG: Enabled extensions: CoreStats, CloseSpider, WebService, TelnetConsole, MemoryUsage
2010-07-25 17:44:44+0300 [googleparser] DEBUG: Enabled scheduler middlewares: DuplicatesFilterMiddleware
2010-07-25 17:44:44+0300 [googleparser] DEBUG: Enabled downloader middlewares: HttpAuthMiddleware, DownloaderStats, UserAgentMiddleware, RedirectMiddleware, DefaultHeadersMiddleware, CookiesMiddleware, HttpCompressionMiddleware, RetryMiddleware
2010-07-25 17:44:44+0300 [googleparser] DEBUG: Enabled spider middlewares: UrlLengthMiddleware, HttpErrorMiddleware, RefererMiddleware, OffsiteMiddleware, DepthMiddleware
2010-07-25 17:44:44+0300 [googleparser] DEBUG: Enabled item pipelines: CsvWriterPipeline
2010-07-25 17:44:44+0300 [-] scrapy.webservice.WebService starting on 6080
2010-07-25 17:44:44+0300 [-] scrapy.telnet.TelnetConsole starting on 6023
2010-07-25 17:44:44+0300 [google.com] INFO: Spider opened
2010-07-25 17:44:45+0300 [google.com] DEBUG: Crawled (200) <GET http://www.google.com/search?q=this+is+first+test&num=20&hl=uk&start=0> (referer: None)
===START=======================================================
[u'this is first test - \u041f\u043e\u0448\u0443\u043a Google']
---DATA--------------------------------------------------------
2010-07-25 17:52:42+0300 [google.com] DEBUG: Scraped GoogleparserItem(num=1, link=[u'http://www.amazon.com/First-Protector-Small-Tamora-Pierce/dp/0679889175'], title=u"[u'Amazon.com: First Test (Protector of the Small) (9780679889175 ...']") in <http://www.google.com/search?q=this+is+first+test&num=100&hl=uk&start=0>

文件中的文本是：

1,[u'Amazon.com: First Test (Protector of the Small) (9780679889175 ...'],[u'http://www.amazon.com/First-Protector-Small-Tamora-Pierce/dp/0679889175']

字符串处理数据清洗爬虫技术结果格式化

如何从Python脚本结果中去除u''？

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