这篇文章主要介绍了怎么用Python写个听小说的爬虫的相关知识,内容详细易懂,操作简单快捷,具有一定借鉴价值,相信大家阅读完这篇怎么用Python写个听小说的爬虫文章都会有所收获,下面我们一起来看看吧。
随机点开一本书,这个页面可以使用 BeautifulSoup 获取书名和所有单个章节音频的列表。复制浏览器的地址,如:https://www.tingchina.com/yousheng/disp_31086.htm。
from bs4 import BeautifulSoup import requests import re import random import os headers = { 'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36' } def get_detail_urls(url): url_list = [] response = requests.get(url, headers=headers) response.encoding = 'gbk' soup = BeautifulSoup(response.text, 'lxml') name = soup.select('.red12')[0].strong.text if not os.path.exists(name): os.makedirs(name) div_list = soup.select('div.list a') for item in div_list: url_list.append({'name': item.string, 'url': 'https://www.tingchina.com/yousheng/{}'.format(item['href'])}) return name, url_list
打开单个章节的链接,在 Elements 面板用章节名称作为搜索词,在底部发现了一个 script,这一部分就是声源的地址。
在 Network 面板可以看到,声源的 url 域名和章节列表的域名是不一样的。在获取下载链接的时候需要注意这一点。
def get_mp3_path(url): response = requests.get(url, headers=headers) response.encoding = 'gbk' soup = BeautifulSoup(response.text, 'lxml') script_text = soup.select('script')[-1].string fileUrl_search = re.search('fileUrl= "(.*?)";', script_text, re.S) if fileUrl_search: return 'https://t3344.tingchina.com' + fileUrl_search.group(1)
惊喜总是突如其来,把这个 https://t3344.tingchina.com/xxxx.mp3 放入浏览器中运行居然是 404。
肯定是少了关键性的参数,回到上面 Network 仔细观察 mp3 的 url,发现在 url 后面带了一个 key 的关键字。如下图,这个 key 是来自于 https://img.tingchina.com/play/h6_jsonp.asp?0.5078556568562795 的返回值,可以使用正则表达式将 key 取出来。
def get_key(url): url = 'https://img.tingchina.com/play/h6_jsonp.asp?{}'.format(str(random.random())) headers['referer'] = url response = requests.get(url, headers=headers) matched = re.search('(key=.*?)";', response.text, re.S) if matched: temp = matched.group(1) return temp[len(temp)-42:]
最后的最后在 __main__
中将以上的代码串联起来。
if __name__ == "__main__": url = input("请输入浏览器书页的地址:") dir,url_list = get_detail_urls() for item in url_list: audio_url = get_mp3_path(item['url']) key = get_key(item['url']) audio_url = audio_url + '?key=' + key headers['referer'] = item['url'] r = requests.get(audio_url, headers=headers,stream=True) with open(os.path.join(dir, item['name']),'ab') as f: f.write(r.content) f.flush()
from bs4 import BeautifulSoup import requests import re import random import os headers = { 'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36' } def get_detail_urls(url): url_list = [] response = requests.get(url, headers=headers) response.encoding = 'gbk' soup = BeautifulSoup(response.text, 'lxml') name = soup.select('.red12')[0].strong.text if not os.path.exists(name): os.makedirs(name) div_list = soup.select('div.list a') for item in div_list: url_list.append({'name': item.string, 'url': 'https://www.tingchina.com/yousheng/{}'.format(item['href'])}) return name, url_list def get_mp3_path(url): response = requests.get(url, headers=headers) response.encoding = 'gbk' soup = BeautifulSoup(response.text, 'lxml') script_text = soup.select('script')[-1].string fileUrl_search = re.search('fileUrl= "(.*?)";', script_text, re.S) if fileUrl_search: return 'https://t3344.tingchina.com' + fileUrl_search.group(1) def get_key(url): url = 'https://img.tingchina.com/play/h6_jsonp.asp?{}'.format(str(random.random())) headers['referer'] = url response = requests.get(url, headers=headers) matched = re.search('(key=.*?)";', response.text, re.S) if matched: temp = matched.group(1) return temp[len(temp)-42:] if __name__ == "__main__": url = input("请输入浏览器书页的地址:") dir,url_list = get_detail_urls() for item in url_list: audio_url = get_mp3_path(item['url']) key = get_key(item['url']) audio_url = audio_url + '?key=' + key headers['referer'] = item['url'] r = requests.get(audio_url, headers=headers,stream=True) with open(os.path.join(dir, item['name']),'ab') as f: f.write(r.content) f.flush()
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