def crawl(self):
self.harvestRatioData = []
self.relevantPages = []
while self.pagesCount < self.pagesLimit and not self.priorityQueue.isempty():
work_url = self.priorityQueue.pop()
self.visited.append(work_url)
page = Webpage(work_url,self.pagesCount)
if page.text =='' :
continue
page_score = 0.0
if self.combineScore:
if len(page.text) > 0:
page_score = self.scorer.calculate_score(page.text,'W')
else:
continue
page.estimatedScore = page_score
if self.restricted:
if page_score < self.pageScoreThreshold:
continue
#print -1 * work_url[0],",", str(page_score),",",work_url[1],",", work_url[3]
print -1 * work_url[0],",",work_url[1],",", work_url[3]
self.pagesCount += 1
page.getUrls()
self.relevantPages.append(page)
for link in page.outgoingUrls:
url = link.address
if url != None and url != '':
url = url.strip()
if url.find('?')!= -1:
url = url.split('?')[0]
if url.find('#') != -1:
url = url.split('#')[0]
if url.endswith(("comment","comment/","feed","comments","feed/","comments/",".rss","video","video/","link","gif","jpeg","mp4","wav","jpg","mp3","png","share.php","sharer.php","login.php","print","print/","button/","share","email","submit","post",".pdf") ):
continue
if not self.exists(url,1):
#tot_score = 0.0
if url.startswith('http') and not self.exists(url,2):
if self.mode == 1:
url_score = self.scorer.calculate_score(link.getAllText(),'U')
if self.combineScore:
tot_score= 0.5 *page_score + 0.5 *url_score
else:
tot_score = url_score
#if tot_score >= self.urlScoreThreshold:
self.priorityQueue.push(((-1 * tot_score),url,page.pageId,link.getAllText()))
#else:
# self.priorityQueue.push(((-1 * page_score),url,page.pageId,link.getAllText()))
#else:
# self.pages.append((page,0))
print self.priorityQueue.isempty()
def crawl(self):
self.harvestRatioData = []
self.relevantPages = []
webpages = []
count = 0
ftext = open(self.pagesDir + "webpagesTxt.txt", "w")
webpageLabel = 0 # 0 for Non-relevant and 1 for Relevant
while self.pagesCount < self.pagesLimit and not self.priorityQueue.isempty(
):
work_url = self.priorityQueue.pop()
url = work_url[1]
#if self.exists(url,1):
# continue
if url in self.visited:
continue
#self.visited.append(url)#work_url[1])
self.visited[url] = 1
page = Webpage(work_url, self.pagesCount)
if page.text == '':
continue
page.estimatedScore = 0
if self.combineScore:
page_score = 0
if len(page.text) > 0:
#page_score = self.scorer.calculate_score(page.text,'W')[1]
page_score = self.scorer.calculate_score(page, 'W')[1]
if page_score == -1:
continue
else:
print 'page text is empty'
continue
page.estimatedScore = page_score
if self.restricted:
if page_score < self.pageScoreThreshold:
#self.pagesCount += 1
continue
pageDom = getDomain(url)
if page_score >= self.pageScoreThreshold:
self.sourcesImp[pageDom][0] += 1
webpageLabel = 1
else:
self.sourcesImp[pageDom][1] += 1
#self.sourcesImp[pageDom][0] = self.sourcesImp[pageDom][1]
webpageLabel = 0
if self.combineScore:
print page.pageId, ": ", str(
page_score), ",", -1 * work_url[0], ",", work_url[
1] #,",", work_url[3]
else:
print -1 * work_url[0], ",", work_url[1] #,",", work_url[3]
self.pagesCount += 1
#self.relevantPages.append((page.pageId,page.pageUrl,page.estimatedScore))
self.relevantPages.append(
(page.pageId, (page.pageUrl[1], page.pageUrl[2]),
page.estimatedScore))
wbsStr = page.text.replace('\n', '. ').replace('\t', ' ')
webpages.append(wbsStr)
count += 1
#save webpage's text to disk instead of adding to list
# this will lead to change in evaluation
if count % self.bufferLen == 0:
strToWrite = '\n'.join(webpages).encode("utf-8")
ftext.write(strToWrite)
webpages = []
#ftext = open(self.pagesDir+str(page.pageId) + ".txt", "w")
#ftext.write(page.text.encode("utf-8"))
#ftext.close()
#-------
if page_score < 0.1:
continue
page.getUrls()
for link in page.outgoingUrls:
url = link.address
#if url != None and url != '':
if url:
url = url.strip()
if url.find('report-a-typo') != -1:
continue
if url.find('m.tempo.co/') != -1:
continue
if url.find('?') != -1:
furl = url.split('?')[1]
if furl.startswith('id=') == False or furl.startswith(
'v=') == False or furl.startswith(
'tid=') == False:
url = url.split('?')[0]
if url.find('#') != -1:
url = url.split('#')[0]
if url.endswith('/'):
url = url[:-1]
#if url.endswith(("comment","comment/","feed","comments","feed/","comments/",".rss","video","video/","link","gif","jpeg","mp4","wav","jpg","mp3","png","share.php","sharer.php","login.php","print","print/","button/","share","email","submit","post",".pdf") ):
if url.endswith(
("comment", "feed", "comments", ".rss", "video",
"link", "gif", "jpeg", "mp4", "wav", "jpg", "mp3",
"png", "share.php", "sharer.php", "login.php",
"print", "button", "share", "email", "submit", "post",
".pdf")):
continue
#if not self.exists(url,1):
if url in self.visited:
continue
#tot_score = 0.0
if url.startswith('http'): #and not self.exists(url,2):
linkText = link.getAllText()
#if self.mode == 1:
#url_score = self.scorer.calculate_score(linkText,'U')
url_score = self.scorer.calculate_score(link, 'U')
tot_score = url_score
if self.combineScore:
#tot_score= 0.4 *page_score + 0.6 *url_score
tot_score = page_score * url_score
if tot_score < self.urlScoreThreshold:
continue
urlDom = getDomain(url)
si_score = self.sourcesImp[urlDom][
0] / self.sourcesImp[urlDom][1]
if self.siScoreCombineMethod == 1:
if webpageLabel:
tot_score = tot_score * si_score
elif self.siScoreCombineMethod == 2:
tot_score = self.topicWeight * tot_score + self.siWeight * si_score
#tot_score = tot_score * si_score
#else:
# tot_score = url_score
#if tot_score >= self.urlScoreThreshold:
#print tot_score, '-', url, linkText
if self.restricted:
if tot_score < self.urlScoreThreshold:
continue
if tot_score >= self.urlScoreThreshold:
self.priorityQueue.push(
((-1 * tot_score), url,
page.pageId)) #,linkText))
#else:
# self.priorityQueue.push(((-1 * page_score),url,page.pageId,link.getAllText()))
#else:
# self.pages.append((page,0))
print self.priorityQueue.isempty()
if webpages:
strToWrite = '\n'.join(webpages).encode("utf-8")
ftext.write(strToWrite)
ftext.close()
return self.priorityQueue.queue