Python 3.3 & tablib模块

豆瓣电影TOP250地址：http://movie.douban.com/top250?format=text

1.[代码]批量抓取豆瓣电影数据并导出为Excel格式

#!/usr/bin/env python

import urllib.request

from bs4 import BeautifulSoup

mylist = []

print(u'豆瓣电影TOP250:\n 序号 \t 影片名\t 评分\t 评价人数\t 评价')

def crawl(url):

headers = {'User-Agent':'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.6) Gecko/20091201 Firefox/3.5.6'}

req = urllib.request.Request(url, headers=headers)

page = urllib.request.urlopen(req, timeout=60)

contents = page.read()

soup = BeautifulSoup(contents)

for tag in soup.find_all('div', class_='item'):

try:

m_order = int(tag.find('em', class_='').get_text())

m_name = tag.span.get_text()

m_rating_score = float(tag.find('div', class_='star').em.get_text())

m_rating_num = tag.find('div', class_='star').span.next_sibling.next_sibling.get_text()

m_comments = tag.find("span", class_="inq").get_text()

except AttributeError:

print("%s %s %s %s %s" % (m_order, m_name, m_rating_score, m_rating_num, "NO COMMENTS"))

mylist.append((m_order, m_name, m_rating_score, m_rating_num, "NO COMMENTS"))

else:

print("%s %s %s %s %s" % (m_order, m_name, m_rating_score, m_rating_num, m_comments))

mylist.append((m_order, m_name, m_rating_score, m_rating_num, m_comments))

pagenumber = []

for i in range(10):

page_number = 25*i

pagenumber.append(page_number)

pagelist = list(map(str, pagenumber))

BASE_URL = 'http://movie.douban.com/top250?start='

LAST_URL = '&filter=&type='

for url in [ BASE_URL + MID_URL + LAST_URL for MID_URL in pagelist ]:

crawl(url)

import tablib

headers = ('m_order', 'm_name', 'm_rating_score', 'm_rating_num', 'm_comments')

mylist = tablib.Dataset(*mylist, headers=headers)

print(mylist.csv)

with open('D:\doubanmovielist.xlsx', 'wb') as f:

f.write(mylist.xlsx)

2.[图片] python截图.jpg