尚未完善，有待改进

#!/usr/bin/env python3# -*- coding: utf-8 -*-__author__ = 'jiangwenwen'import pdfkitimport timeimport requestsimport randomfrom bs4 import BeautifulSoupfrom fake_useragent import UserAgent# 请求头ua = UserAgent()headers = {    'cache-control': "no-cache",    "Host": "www.yinwang.org",    "User-Agent": ua.random,    "Referer": "http://www.yinwang.org/",}# IP代理池ip_pool = ['123.55.114.217:9999',           '110.52.235.91:9999',           '183.163.43.61:9999',           '119.101.126.52:9999',           '119.101.124.165:9999',           '119.101.125.38:9999',           '119.101.125.84:9999',           '110.52.235.80:9999',           '119.101.125.49:9999',           '110.52.235.162:9999',           '119.101.124.23:9999'           ]# 打印成pdfdef print_pdf(url, file_name):    start = time.time()    print("正在打印中...")    headers["User-Agent"] = ua.random    print("User-Agent是：{0}".format(headers["User-Agent"]))    content = requests.get(url, headers=headers, timeout=3, proxies=get_proxy(ip_pool)).text    pdfkit.from_string(content, file_name)    end = time.time()    print("打印成功，本次打印耗时：%0.2f秒" % (end - start))# 获得有效代理def get_proxy(ip_pool):    for ip in ip_pool:        url = "http://www.yinwang.org/"        # 用requests来验证ip是否可用        try:            requests.get(url, proxies={"http": "http://{}".format(ip), }, timeout=3)        except:            continue        else:            proxies = {                "http": "http://{}".format(ip),                "https": "http://{}".format(ip),            }            return proxiesresponse = requests.get("http://www.yinwang.org/", headers=headers, proxies=get_proxy(ip_pool))soup = BeautifulSoup(response.content, 'html.parser')tags = soup.find_all("li", class_="list-group-item title")for child in tags:    article_url = "http://www.yinwang.org" + child.a.get('href')    article_file_name = "桌面\\" + child.a.string + ".pdf"    print_pdf(article_url, article_file_name)