#! /usr/bin/env python3
# coding:utf-8

from bs4 import BeautifulSoup
import requests
import re
import os

site = "http://www.ting89.com/books/68.html"
domain = re.search(r'(https?)://.*?/', site).group(0)

html = requests.get(site)
soup = BeautifulSoup(html.content, "html.parser")
chapter = soup.find("div", class_="compress").findAll("a")
title = soup.find("div", class_="conlist").find('h1').text

for i in chapter:
    chapter_html = requests.get(domain + i['href']).content.decode('gbk')
    mp3_site = re.search(r'(?<=datas=\(")https?.*\.mp3', chapter_html).group(0)
    title = re.search(r'(?<=/)[\u4E00-\u9FA5_\d]*?(?=/\d)', mp3_site).group(0)
    if not os.path.exists(title):
        os.mkdir(title)
    mp3_name = re.search(r"\d+(\(完\))?\.mp3", mp3_site).group(0)
    if os.path.exists('{0}/{1}'.format(title, mp3_name)):
        print('{0}/{1} exist. pass!!!'.format(title, mp3_name))
        continue
    print('{0}/{1} is downloading.'.format(title, mp3_name))
    success = True
    while success:
        try:
            mp3 = requests.get(mp3_site).content
            success = False
        except:
            success = True
            print("网络重置，继续尝试访问。")
    with open('{0}/{1}'.format(title, mp3_name), 'wb+') as file:
        file.write(mp3)
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