爬虫，支持输入小说名字即可爬

接着昨天的程序，加入新研究的搜索小说名获得章节链接，直接爬功能
from lxml import etree
import requests
from threading import Thread,enumerate
import os
from time import sleep,time
import execjs
import urllib.parse
import json

def encodeURI(URIstring,encoding='gbk'):
encode_text = URIstring.encode(encoding)
encode_text = urllib.parse.quote(encode_text)
return encode_text

def decodeURI(URIstring,encoding='gbk'):
encode_text = urllib.parse.unquote(URIstring,encoding)
return encode_text

def search_novel(name="万古杀帝"):
name_encode = execjs.eval(f"encodeURIComponent(escape('{name}'))")
seach_link = url + name_encode
return seach_link

def url_encode(unicode_text="万古杀帝"):
data = {
'data': unicode_text,
'type': 'urlencode',
'arg': 's=gb2312_j=0_t=0'
}

if r.status_code == requests.codes.ok:
      json_text = json.loads(r.text)
      encode_text = json_text['data'][0]
return encode_text
def getIndexUrl(name='万古杀帝'):
r = requests.get(search_novel(name),headers=headers)
if r.status_code == requests.codes.ok:
      r.encoding = r.apparent_encoding
      page_source = etree.HTML(r.text)
      href = page_source.xpath('/html/body/div[6]/div[1]/div[3]/ul/li/div[2]/span/a/@href')

      name = page_source.xpath('/html/body/div[6]/div[1]/div[3]/ul/li/div[2]/span/a/span/text()')
      novels = list(zip(name,href))
      return novels
else:
      return []

headers={
# ':authority':'www.bookbao8.com',
# ':method': 'GET',
# ':path': '/book/201506/04/id_XNDMyMjA1.html',
# ':scheme': 'https',
'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3',
'accept-encoding': 'gzip, deflate, br',
'accept-language': 'zh-CN,zh;q=0.9',
'cache-control': 'max-age=0',
'cookie': 'Hm_lvt_79d6c18dfed73a9524dc37b056df45ec=1577182135; Hm_lpvt_79d6c18dfed73a9524dc37b056df45ec=1577182135; Hm_lvt_9e424f40a62d01a6b9036c7d25ce9a05=1577182142; trustedsite_visit=1; bk_ad=2; __cm_warden_uid=840a745a752905060cd14982b4bbc922coo; __cm_warden_upi=MTE5LjQuMjI4LjE1Nw%3D%3D; Hm_lpvt_9e424f40a62d01a6b9036c7d25ce9a05=1577185720',
'sec-fetch-mode': 'navigate',
'sec-fetch-site': 'same-origin',
'sec-fetch-user': '?1',
'upgrade-insecure-requests': '1',
'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36'
}

def thread_it(func,*args):
t = Thread(target=func,args=args)
t.setDaemon(True)
t.start()

r = requests.get(url,headers=headers)
# print(r.text)
if r.status_code == 200:
      r.encoding = r.apparent_encoding
      ret = r.text
      page_source = etree.HTML(ret)
      name = page_source.xpath('//*[@id="info"]/h1/text()')
      author = page_source.xpath('//*[@id="info"]/p[1]/a/text()')
      novel_type = page_source.xpath('//*[@id="info"]/p[2]/a/text()')
      title = page_source.xpath('/html/body/div[7]/ul/li/a/text()')
      link = page_source.xpath('/html/body/div[7]/ul/li/a/@href')
      link = map(lambda x: 'https://www.bookbao8.com'+x, link)  #向列表中每个元素都加入前缀
      novel_list = list(zip(title,link))  #将两个列表用zip打包成新的zip对象并转为列表对象
      function(){ //外汇百科 http://www.fx61.com/definitions
      if len(novel_list) > 0:
         return name[0], author[0], novel_type[0], novel_list
      else:
         return None,None,None,None

def getOne(link=('第0001章绝地中走出的少年', 'https://www.bookbao8.com/views/201506/04/id_XNDMyMjA1_1.html')):
r = requests.get(link[1], headers=headers)
if r.status_code == 200:
      r.encoding = r.apparent_encoding
      ret = r.text
      page_source = etree.HTML(ret)
      node_title = link[0]
      node_content = page_source.xpath('//*[@id="contents"]/text()')
      node_content = "".join(node_content).replace("\n \xa0 \xa0","")
      if len(node_title) > 0:
         return node_title, node_content
      else:
         return None, None
def writeOne(title,content):
txt = "\t\t"+title+"\n"+content+"\n\n"
return txt
def runApp(novel_list,name,t1,cwd=''):
article_num = len(novel_list)
xc_num = article_num//20+1
print(f"待开启线程数量为{xc_num}")

def inter(link,f,i):
      try:
         title, content = getOne(link)
         txt = writeOne(title, content)
         f.write(txt)
         print(f"\r线程{i}正在写入 {title}", end="")
      except Exception as e:
         print("\n爬得太快被拒绝连接，等1s递归继续")
         sleep(1)
         inter(link,f,i)

def inner(name,i,begin,end,cwd):
      f = open(f"{cwd}downloads/{name}/{i}.txt", mode='w+', encoding='utf-8')
      for link in novel_list[begin:end]:
         inter(link, f,i)
         if link == novel_list[end - 1]:
            print(f"\n线程{i}执行完毕")
            print(f"\n剩余线程数量{len(enumerate())}")
            base_xc = 2 if not cwd else 4
            if len(enumerate()) <= base_xc:
                  print(enumerate())
                  print("\n全本下载完毕")
                  t2 = time()
                  print(f"\n本次下载小说总共耗时{round(t2 - t1)}s")
                  hebing(f"{cwd}downloads/{name}")

      f.close()

for i in range(1,xc_num+1):
      begin = 20*(i-1)
      end = 20*i if i != xc_num else article_num
      if i == xc_num:
         print(f"\n全部线程开启完毕")
      thread_it(inner,name,i,begin,end,cwd)
      sleep(0.5)

def paixuRule(elem):
return int(elem.split(".")[0])

def hebing(path):
dirs = os.listdir(path)
dirs.sort(key=paixuRule, reverse=False)
f = open(path+".txt",mode='w+',encoding='utf-8')
for file in dirs:
      with open(path+"/"+file,mode="r",encoding="utf-8") as f1:
         f.write(f1.read())
f.close()
print("小说合并完成")
def main(novel_name = "万古杀帝"):
t1 = time()
novel_url = getIndexUrl(novel_name)
if len(novel_url) >= 0:
      url = novel_url[0][1]

name, _, _, novel_list = getAll(url)
print(name)
if not os.path.exists("downloads/" + name):
      os.mkdir("downloads/" + name)
runApp(novel_list, name, t1)

if __name__ == '__main__':
main('万古杀帝')
while True:
      Pass

来源：CSDN

作者：qq_39581763

链接：https://blog.csdn.net/qq_39581763/article/details/104308133

标签

encode