本文整理汇总了Python中Crawler.Crawler.startCrawling方法的典型用法代码示例。如果您正苦于以下问题：Python Crawler.startCrawling方法的具体用法？Python Crawler.startCrawling怎么用？Python Crawler.startCrawling使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Crawler.Crawler的用法示例。
在下文中一共展示了Crawler.startCrawling方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: SearchEngine
# 需要导入模块: from Crawler import Crawler [as 别名]
# 或者: from Crawler.Crawler import startCrawling [as 别名]
#.........这里部分代码省略.........
if not documents:
print ("No documents match your search terms (\""
"" + ', '.join(str(term) for term in terms) + "\").")
return
print "Results:"
for document in sorted(documents,
key = lambda url : self._page_ranks[url] * scores[url],
reverse = True):
print " - " + document
print (" (Score: " + str(scores[document]) + ""
", PageRank: " + str(self._page_ranks[document]) + ""
", Combined: " + str(self._page_ranks[document] * scores[document]) + ")")
def _do_crawling(self):
"""
Initializes the crawler with the seed urls and starts crawling, then stores the resulting
webgraph and the extracted terms in the attributes.
Also counts the extracted words in every website and stores each website's length in the
document_lengths attribute.
"""
print "Starting crawler ..."
print " Seed URLs: "
for url in self._seed_urls:
print " - " + url
self._crawler = Crawler(self._seed_urls)
results = self._crawler.startCrawling()
self._webgraph = results[0]
self._extracted_terms = results[1]
print " Web graph: "
for url in self._webgraph.keys():
print " - " + url
for outlink in self._webgraph[url]:
print " -> " + outlink
#print " Extracted terms: "
#for website in self._extracted_terms:
# print " - " + website[0] + ": "
# print ', '.join(str(token) for token in website[1])
print "Crawler finished."
print
def _compute_page_ranks(self):
"""
Initializes the page rank computer with the webgraph and computes the page ranks.
"""
print "Computing page ranks ..."
self._page_rank_computer = Computer(self._webgraph)
self._page_rank_computer.dampening_factor = 0.95
self._page_rank_computer.compute()
self._page_ranks = self._page_rank_computer.page_ranks
print " Page ranks:"