【发布时间】:2015-10-09 02:16:52
【问题描述】:
我遇到了以下代码,我发现它非常有用,但不知道如何解释其中的一部分。
from pprint import pprint
import urllib2
from bs4 import BeautifulSoup
url = 'http://en.wikipedia.org/wiki/List_of_Bollywood_films_of_2014'
soup = BeautifulSoup(urllib2.urlopen(url))
headers = ['Opening', 'Title', 'Genre', 'Director', 'Cast']
results = {}
for block in soup.select('div#mw-content-text > h3'):
title = block.find('span', class_='mw-headline').text
rows = block.find_next_sibling('table', class_='wikitable').find_all('tr')
results[title] = [{header: td.text for header, td in zip(headers, row.find_all('td'))}
for row in rows[1:]]
pprint(results)
除了这一段我都明白了:
results[title] = [{header: td.text for header, td in zip(headers, row.find_all('td'))}
for row in rows[1:]]
谁能解释这是在做什么以及我应该如何阅读它?谢谢!
【问题讨论】:
标签: python beautifulsoup