【Python】はてなブックマークにログインしてトップページの内容を取得する方法

hatebu.py

import urllib
import urllib2
import os
from cookielib import LWPCookieJar

class Hatebu():
  def __init__(self):
    self.cookiefile = "cookies.txt"
    self.cj = LWPCookieJar()
    if os.path.exists(self.cookiefile):
      self.cj.load(self.cookiefile)

    self.opener = urllib2.build_opener()
    self.opener.add_handler(urllib2.HTTPCookieProcessor(self.cj))

  def __del__(self):
    self.cj.save(self.cookiefile)

  def request(self, url, postdata):
    postdata = urllib.urlencode(postdata)
    return urllib2.Request(url, postdata)

  def login(self, postdata):
    url = "https://www.hatena.ne.jp/login"
    self.opener.open(self.request(url, postdata))

  def read(self, url, postdata=""):
    response = self.opener.open(self.request(url, postdata))
    return response.read()

if __name__ == '__main__':

  hatebu = Hatebu()
  hatebu.login({
    "name": "username",
    "password": "password"
  })
  
  url = "http://b.hatena.ne.jp"
  content = hatebu.read(url)
  
  print content