from urllib.request import urlopen
from bs4 import BeautifulSoup
import re
pages = set()
def getLinks(pageUrl):
global pages
html = urlopen("http://en.wikipedia.org"+pageUrl)
bsObj = BeautifulSoup(html)
try:
print(bsObj.h1.get_text())
print(bsObj.find(id="mw-content-text").findAll("p")[0])
print(bsObj.find(id="ca-edit").find("span").find("a").attrs['href'])
except AttributeError:
print("页面缺少一些属性！不过不用担心！")
for link in bsObj.findAll("a", href=re.compile("^(/wiki/)")):
if 'href' in link.attrs:
if link.attrs['href'] not in pages:
# 我们遇到了新页面
newPage = link.attrs['href']
print("----------------\n"+newPage)
pages.add(newPage)
getLinks(newPage)
getLinks("")

from urllib.request import urlopen
from bs4 import BeautifulSoup
import re
pages = set()
def getLinks(pageUrl):
global pages
html = urlopen("http://en.wikipedia.org"+pageUrl)
bsObj = BeautifulSoup(html)
try:
print(bsObj.h1.get_text())
print(bsObj.find(id="mw-content-text").findAll("p")[0])
print(bsObj.find(id="ca-edit").find("span").find("a").attrs['href'])
except AttributeError:
print("页面缺少一些属性！不过不用担心！")
for link in bsObj.findAll("a", href=re.compile("^(/wiki/)")):
if 'href' in link.attrs:
if link.attrs['href'] not in pages:
# 我们遇到了新页面
newPage = link.attrs['href']
print("----------------\n"+newPage)
pages.add(newPage)
getLinks(newPage)
getLinks("")

# 我们遇到了新页面