The Problem Lots of web frameworks Zope, Quixote, Webware, SkunkWeb and Twisted Web etc Applications written for one framework often weren't compatible with the server components of the others HTTP Basics When you request a page the browser sends an…
阅读OReilly.Web.Scraping.with.Python.2015.6笔记---Crawl 1.函数调用它自身,这样就形成了一个循环,一环套一环: from urllib.request import urlopen from bs4 import BeautifulSoup import re pages = set() def getLinks(pageUrl): global pages html = urlopen("http://en.wikipedia.org"…