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

        if len(novel_list) > 0:

            return name[0], author[0], novel_type[0], novel_list

        else:

            return None,None,None,None

 

def getOne(link=('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)

    function(){ //交易品种 http://www.kaifx.cn/mt4/kaifx/1814.html

    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