304 lines
11 KiB
Python
304 lines
11 KiB
Python
import io
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import os
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import random
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import shutil
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import threading
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import time
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import requests
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from bs4 import BeautifulSoup
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import re
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from ebooklib import epub
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def get_user_agent():
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# 定义多个User-Agent列表，每个列表中包含多个不同的User-Agent字符串
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user_agents = [
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[
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3',
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'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.3',
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'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36'],
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[
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'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:54.0) Gecko/20100101 Firefox/54.0',
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'Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:56.0) Gecko/20100101 Firefox/56.0',
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'Mozilla/5.0 (Windows NT 10.0; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0'],
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[
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_4) AppleWebKit/603.1.30 (KHTML, like Gecko) Version/10.1 Safari/603.1.30',
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36',
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'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/604.1.38 (KHTML, like Gecko) Version/11.0 Safari/604.1.38']
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]
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# 随机选择一个User-Agent列表
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user_agent_list = random.choice(user_agents)
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# 从选定的User-Agent列表中随机选择一个User-Agent字符串
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user_agent = random.choice(user_agent_list)
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return {'User-Agent': user_agent}
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# 定义请求间隔时间（秒）
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interval = 2
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# 设置请求头，模拟浏览器访问
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# 要爬取的小说主页链接
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url = 'https://www.bqg221.com/xs/17931/'
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# 发起请求并获取响应
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response = requests.get(url, headers=get_user_agent())
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# 将响应转换为BeautifulSoup对象
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soup = BeautifulSoup(response.text, 'html.parser')
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# 获取小说名字
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title = soup.select_one('.book h1').get_text(strip=True)
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print(title)
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# 获取小说简介
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# print(soup.select('.small')[0])
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div_tag = soup.find('div', {'class': 'small'})
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# print(div_tag)
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all_span_tags = div_tag.find_all('span')
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# print(all_span_tags)
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author = all_span_tags[0].text.strip()[3:]
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status = all_span_tags[1].text.strip()
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update_time = all_span_tags[2].text.strip()
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latest_update = all_span_tags[3].text.strip()
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# for i in all_span_tags:
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# print(i.text.strip())
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intro = soup.select_one('.intro').get_text(strip=True)[:-6]
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print(intro)
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cover = soup.select_one('.cover img')['src']
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# print(cover)
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# 获取小说所有章节链接
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chapter_urls = [url + i.get('href').split('/')[-1] for i in soup.select('.listmain a') if
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i.get('href').split('/')[-1] != 'javascript:dd_show()']
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# print(chapter_urls)
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print('开始下载。。。')
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# 停顿两秒
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time.sleep(interval)
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# 多线程下载txt
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def download_url(chapter_url, file_name):
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# 限制下载线程数
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with semaphore:
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file_path = './' + title
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file_name = file_path + '/' + file_name
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if not os.path.exists(file_path):
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os.makedirs(file_path)
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print('文件夹不存在，创建文件夹')
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if os.path.exists(file_name) and os.path.getsize(file_name) > 0:
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print(file_name + ' 已存在，跳过...\n')
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# success_account =+ 1
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else:
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print('开始下载：' + file_name)
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with open(file_name, 'w', encoding='utf-8') as f:
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retry = 8
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while retry > 0:
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try:
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response = requests.get(chapter_url, headers=get_user_agent(), timeout=5)
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soup = BeautifulSoup(response.text, 'html.parser')
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chapter_title = soup.select_one('.content h1').get_text()
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print(chapter_title)
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chapter_content = soup.select_one('div#chaptercontent').get_text().strip()
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# print('before: '+chapter_content)
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# # 将所有的<br>标签替换成换行符\n
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chapter_content = chapter_content.replace(' ', '\n ')
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# chapter_content = chapter_content.replace('<br>', '\n')
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content = re.sub(r'(第\d+章|请收藏本站|『点此报错).*$', '', chapter_content, flags=re.MULTILINE)
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# print(content)
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# 将处理后的结果写入到test.txt文件中
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f.write(chapter_title + '\n' + content + '\n\n')
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# success_account = success_account + 1
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break
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# return True
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except Exception as e:
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print(e, '\n retry...')
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time.sleep(interval)
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retry -= 1
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# return False
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# txt转换为epub
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def merge_txt_to_epub(txt_files=[], epub_file='', author='', cover='', direction=''):
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"""
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将txt转换为epub
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txt_files (list) : 是一个列表
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epub_file (str) ：实际为转换成功的epub文件路径及名称
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author (str) ：作者
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cover (str) ：封面图片链接
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direction (str) ：书籍简介
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"""
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# 创建EPUB书籍对象
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book = epub.EpubBook()
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if os.path.exists(epub_file):
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os.remove(epub_file)
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# 设置元数据（可根据需要进行调整）
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book.set_title(title)
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book.set_language('zh')
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book.add_author(author)
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book.set_direction(direction)
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# 添加封面
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# 获取图片并将其转换为字节流
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response = requests.get(cover)
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stream = io.BytesIO(response.content)
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book.set_cover('cover.jpg', stream.getvalue(), 'image/jpeg')
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print('合并中。。。。。。')
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# 书籍目录
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book_spine = []
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# 遍历所有txt文件
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os.chdir(title)
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for i, txt_file in enumerate(txt_files):
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# 读取txt文件内容
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with open(txt_file, 'r', encoding='utf-8') as file:
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content = file.readlines()
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try:
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# 将所有换行符替换为<br>
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content = [s.replace('\n', '') for s in content if len(s.strip()) > 0]
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# 获取章节标题
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chapter_title = content[0]
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# print(chapter_title)
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# content = [' ' + line + '<br>' for line in content]
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# 处理html文档
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content[0] = f""" <div class="calibre2" id="calibre_pb_0"></div><h1 class="kindle-cn-heading" id="calibre_pb_1">
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{content[0]} </h1> """
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for j, line in enumerate(content[1:]):
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content[j + 1] = '<p class="calibre3">' + line + '</p>'
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# content.append('</body></html>')
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except IndexError as e:
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print(e)
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return False
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# 创建一个章节对象
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chapter = epub.EpubHtml(title=chapter_title, file_name='text/' + str(i) + '.xhtml')
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chapter.content = ''.join(content) # 将整个文件内容作为章节内容
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# 下面的是将css文件引用到单个章节里面
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page_style = open('../css/page_styles.css', 'r', encoding='utf-8').read()
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page_style1 = open('../css/page_styles1.css', 'r', encoding='utf-8').read()
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style = open('../css/stylesheet.css', 'r', encoding='utf-8').read()
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chapter.add_item(
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epub.EpubItem(uid="page_style", file_name="../style/page_styles.css", media_type="text/css",
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content=page_style))
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chapter.add_item(
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epub.EpubItem(uid="page_style1", file_name="../style/page_styles1.css", media_type="text/css",
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content=page_style1))
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chapter.add_item(
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epub.EpubItem(uid="style_default", file_name="../style/stylesheet.css", media_type="text/css",
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content=style))
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# 将章节添加到书籍中
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book.add_item(chapter)
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book_spine.append(chapter)
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# 将目录添加到书籍中
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book.add_item(epub.EpubNcx())
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book.add_item(epub.EpubNav())
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book.spine = book_spine
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book.toc = book_spine
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# 设置书籍的样式文件
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os.chdir('../')
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page_style = open('./css/page_styles.css', 'r', encoding='utf-8').read()
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page_style1 = open('./css/page_styles1.css', 'r', encoding='utf-8').read()
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style = open('./css/stylesheet.css', 'r', encoding='utf-8').read()
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book.add_item(
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epub.EpubItem(uid="page_style", file_name="style/page_styles.css", media_type="text/css", content=page_style))
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book.add_item(
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epub.EpubItem(uid="page_style1", file_name="style/page_styles1.css", media_type="text/css",
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content=page_style1))
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book.add_item(
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epub.EpubItem(uid="style_default", file_name="style/stylesheet.css", media_type="text/css", content=style))
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# 打包EPUB文件
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epub.write_epub('./' + epub_file, book, {})
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return True
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# 合并为txt文件
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def merge_txt_file(file_path='', merged_file_name=''):
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"""
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:param file_path: txt文件的保存位置
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:param merged_file_name: 合并后文件保存位置
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:returns bool: 返回合并成功或者失败状态
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"""
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os.chdir(file_path)
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if os.path.exists(merged_file_name):
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os.rmdir(merged_file_name)
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print('merge file : ', sorted(os.listdir('.'), key=lambda x: int(x.split('.')[0])))
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with open(merged_file_name, 'wb') as outfile:
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for filename in sorted(os.listdir('.'), key=lambda x: int(x.split('.')[0])):
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print(filename)
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if filename.endswith('.txt'):
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# 判断文件是否为空
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if os.path.exists(filename) and os.path.getsize(filename) > 0:
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# print(filename + ' 已存在，跳过...\n')
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with open(filename, 'rb') as infile:
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shutil.copyfileobj(infile, outfile)
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else:
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return False
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return True
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def multi_thread_download():
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threads = []
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for file_name, chapter_url in enumerate(chapter_urls):
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args = (chapter_url, str(file_name) + '.txt')
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thread = threading.Thread(target=download_url, args=args)
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threads.append(thread)
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thread.start()
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for thread in threads:
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thread.join()
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# 限制同时4线程，建议使用4线程，过多线程会导致错误增多
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max_concurrent_threads = 4
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# 创建Semaphore对象，并将其初始值设置为max_concurrent_threads
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semaphore = threading.Semaphore(max_concurrent_threads)
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multi_thread_download()
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time.sleep(interval)
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while True:
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# merge_txt_file('./' + title, '../' + title + '.txt')
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# 调用函数进行合并
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txt_files = sorted(os.listdir(title), key=lambda x: int(x.split('.')[0]))
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epub_file_path = title + '.epub'
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result = merge_txt_to_epub(txt_files, epub_file_path, author, cover, intro)
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if not result:
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print('下载失败：', result, '\t是否重试？')
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num = int(input('0 重试\n1 退出\n'))
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if num == 0:
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multi_thread_download()
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merge_txt_to_epub(txt_files, epub_file_path, author, cover, intro)
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else:
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break
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else:
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print('合并成功！')
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break
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