口技 翻译,宰相刘罗锅荔浦芋头,唐氏筛查性别
第一篇主要获取豆瓣的大分类、大分类下的具体分类以及具体分类下的前20本热门书籍，第二篇对获取的数据进行分析。
python3.6、requests、beautifulsoup4
我要评论# -*- coding: utf-8 -*-
# @author: sexy phoenix
# @last modified by: sexy phoenix
import requests
from bs4 import beautifulsoup, soupstrainer
#内容解析类
class parse:
#解析分类
def parse_tags(self, content):
only_div_tags = soupstrainer('div', 'article')
soup = beautifulsoup(content, 'lxml', parse_only=only_div_tags)
category = {}
sub_category = {}
# 解析大分类
tag_title_wrapper = soup.find_all('a', 'tag-title-wrapper')
for index,tag in enumerate(tag_title_wrapper):
category[index] = tag.get('name')
# 解析大分类下的具体分类
tagcol = soup.find_all('table', "tagcol")
for i,tag in enumerate(soup.find_all('table', "tagcol")):
a = tag.find_all('a')
sub_category[i] = []
for t in a:
sub_category[i].append(t.string)
return category, sub_category
#解析具体分类前20分书籍
def parse_detail_tag(self, content):
detail_conent = []
only_ul_tags = soupstrainer('ul', 'subject-list')
soup = beautifulsoup(content, 'lxml', parse_only=only_ul_tags)
for li in soup.find_all('li', 'subject-item'):
info = li.find('div', 'info')
title = info.h2.a.get('title')
star = info.find('span', 'rating_nums')
extra_info = info.h2.next_sibling.next_sibling.string.split('/')
author = extra_info[0].strip()
price = extra_info[-1].strip()
appraise = star.string
appraise_num = star.next_sibling.next_sibling.string.strip()
detail_conent.append({
'title': title,
'price': price,
'author': author,
'appraise':appraise,
'appraise_num': appraise_num
})
return detail_conent
#内容获取类
class spider:
def __init__(self):
self.url = 'https://book.douban.com/tag/?view=type&icn=index-sorttags-all'
self.tag_url = 'https://book.douban.com/tag/'
self.headers = {
'user-agent' : 'mozilla/5.0 (windows nt 6.1; wow64) applewebkit/537.36 (khtml, like gecko) chrome/76.0.3809.100 safari/537.36'
}
self.parse = parse()
#获取分类html内容
def get_all_tag(self):
data = requests.get(self.url, headers=self.headers)
if(data.status_code == requests.codes.ok):
return self.parse.parse_tags(data.text)
else:
print('[error]: get category error')
#获取书籍html内容
def get_detail_tag(self, tag_name):
data = requests.get(self.tag_url + tag_name, self.headers)
if(data.status_code == requests.codes.ok):
return self.parse.parse_detail_tag(data.text)
else:
print('[error]: get sub category error')
#显示
def show(self):
category, sub_category = self.get_all_tag()
print('豆瓣大分类：')
for index,value in category.items():
i = index + 1
print("{0}、{1}".format(i, value))
try:
key = int(input('请输入您选择的大分类：')) - 1
sub_cate = sub_category[key]
for index in range(len(sub_cate)):
i = index + 1
print("{0}、{1}".format(i, sub_cate[index]))
try:
sub_key = int(input('请输入您选择的具体分类：')) - 1
tag_name = sub_cate[sub_key]
detail_content = self.get_detail_tag(tag_name)
for book in detail_content:
print('\n')
print(book['title'])
print("作者：{0}, 价格：{1}, 评分：{2}{3}".format(book['author'],book['price'], book['appraise'], book['appraise_num']))
print('='*50)
except:
print('[error]: 具体分类选择错误')
except:
print('[error]: 大分类选择错误')
#入口
if __name__ == '__main__':
spider = spider()
spider.show()
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