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wenku8.py
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import urllib3
urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
import requests
from parsel import Selector
import pymysql
from dbutils.pooled_db import PooledDB
import os
import logging
import threading
from configparser import ConfigParser
COOKIES = ''''''
PROXY = ''
MYSQL_HOST = ''
MYSQL_PORT = 3306
MYSQL_USER = ''
MYSQL_PASSWORD = ''
MYSQL_DATABASE = ''
THREAD_NUM = 8
USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36 Edg/111.0.1661.62 LightnovelSpider/4.0'
if __name__ == '__main__':
config = ConfigParser()
config.read(os.path.basename(__file__).split(".")[0] + '.ini')
COOKIES = config.get('REQUEST', 'COOKIES')
PROXY = config.get('REQUEST', 'PROXY')
MYSQL_HOST = config.get('MYSQL', 'HOST')
MYSQL_PORT = config.getint('MYSQL', 'PORT')
MYSQL_USER = config.get('MYSQL', 'USER')
MYSQL_PASSWORD = config.get('MYSQL', 'PASSWORD')
MYSQL_DATABASE = config.get('MYSQL', 'DATABASE')
semaphore = threading.Semaphore(THREAD_NUM)
logging.basicConfig(
level= logging.INFO,
datefmt= '%Y-%m-%d %H:%M:%S',
format= '%(asctime)s %(levelname)s %(message)s'
)
class Request:
def __init__(self, url:str, referer:str=None, callback=lambda*args:None, cb_kwargs:dict=dict()) -> None:
self.url = url
self.referer = referer
self.callback = callback
self.cb_kwargs = cb_kwargs
class Mysql:
_pool = PooledDB(
creator= pymysql,
host= MYSQL_HOST,
port= MYSQL_PORT,
user= MYSQL_USER,
password= MYSQL_PASSWORD,
database= MYSQL_DATABASE
)
@classmethod
def connect(cls):
return cls._pool.connection()
def start():
crawl(Request('https://www.wenku8.net/modules/article/articlelist.php', callback=parse_list))
def parse_list(response:requests.Response):
response.encoding = 'GBK'
d = Selector(text=response.text)
for b in d.css('td div div b'):
aid = int(b.css('a::attr(href)').get().split('/')[-1].split('.')[0])
crawl(Request('https://www.wenku8.net/modules/article/articleinfo.php?id=%d' % (aid,), referer=response.url, callback=parse_book))
path = d.css('a.next::attr(href)').get()
if path:
crawl(Request('https://www.wenku8.net' + path, referer=response.url, callback=parse_list))
def parse_book(response:requests.Response):
response.encoding = 'GBK'
d = Selector(text=response.text)
aid = int(response.request.url.split('id=')[-1])
crawl(Request('https://www.wenku8.net/modules/article/reader.php?aid=%d' % (aid,), referer=response.url, callback=parse_catalog))
title = d.css('span b::text').get()
author = d.css('td[width="20%"]::text')[1].get().split('：')[-1]
category = d.css('td[width="20%"]::text')[0].get().split('：')[-1]
tags = d.css('span.hottext b::text')[0].get().split('：')[-1]
description = '\n\n'.join(line.strip() for line in d.css('div#content table')[2].css('span')[-1].css('*::text').getall())
logging.info('%d %s %s %s', aid, title, author, category)
with Mysql.connect() as conn:
with conn.cursor() as cur:
cur.execute(
'INSERT IGNORE INTO wenku8_books(aid,title,author,category,tags,description) VALUES(%s,%s,%s,%s,%s,%s)',
(aid,title,author,category,tags,description)
)
conn.commit()
def parse_catalog(response:requests.Response):
response.encoding = 'GBK'
d = Selector(text=response.text)
for td in d.css('td'):
if td.css('td::attr(class)').get() == 'vcss':
volume = td.css('td::text').get()
elif td.css('td::attr(class)').get() == 'ccss':
chapter = td.css('a::text').get(None)
url = td.css('a::attr(href)').get(None)
if chapter!=None and url!=None:
cid = int(url.split('cid=')[-1])
with Mysql.connect() as conn:
with conn.cursor() as cur:
cur.execute('SELECT COUNT(cid) FROM wenku8_chapters WHERE cid=%s', (cid,))
count = cur.fetchone()[0]
if count == 0:
crawl(Request(url, referer=response.url, callback=parse_chapter, cb_kwargs=dict(volume=volume, chapter=chapter)))
def parse_chapter(response:requests.Response):
response.encoding = 'GBK'
d = Selector(text=response.text)
aid = int(response.request.url.split('aid=')[-1].split('&')[0])
cid = int(response.request.url.split('cid=')[-1])
volume = response.cb_kwargs['volume']
chapter = response.cb_kwargs['chapter']
content = '\n'.join(line.strip() for line in d.css('div#content::text').getall()).strip()
imgUrls = d.css('div#content img::attr(src)').getall()
for imgUrl in imgUrls:
crawl(Request(imgUrl, referer=response.url, callback=parse_image, cb_kwargs=dict(cid=cid)))
logging.info('%d %d %s %s', aid, cid, volume, chapter)
with Mysql.connect() as conn:
with conn.cursor() as cur:
cur.execute(
'INSERT IGNORE INTO wenku8_chapters(aid,cid,volume,chapter,content) VALUES(%s,%s,%s,%s,%s)',
(aid,cid,volume,chapter,content)
)
conn.commit()
def parse_image(response:requests.Response):
cid = response.cb_kwargs['cid']
filename = response.request.url.split('/')[-1]
content = response.content
logging.info('%d %s', cid, filename)
try:
os.mkdir('./img')
except FileExistsError:
pass
try:
os.mkdir('./img/wenku8')
except FileExistsError:
pass
try:
os.mkdir('./img/wenku8/' + str(int(cid/10000)))
except FileExistsError:
pass
try:
os.mkdir('./img/wenku8/' + str(int(cid/10000)) + '/' + str(cid))
except FileExistsError:
pass
with open('./img/wenku8/' + str(int(cid/10000)) + '/' + str(cid) + '/' + filename, 'wb') as f:
f.write(content)
def crawl(request:Request):
def run(request:Request):
with semaphore:
headers = {
'User-Agent': USER_AGENT
}
if request.referer:
headers['Referer'] = request.referer
try:
response = requests.get(
url= request.url,
cookies= {i.split("=")[0]:i.split("=")[-1] for i in COOKIES.split("; ")},
proxies= {
'http': PROXY,
'https': PROXY
},
headers= headers,
timeout= 10,
verify= False
)
response.cb_kwargs = request.cb_kwargs
request.callback(response)
except requests.exceptions.ProxyError:
crawl(request)
except requests.exceptions.ConnectTimeout:
crawl(request)
except requests.exceptions.ConnectionError:
crawl(request)
except requests.exceptions.ReadTimeout:
crawl(request)
except requests.exceptions.ChunkedEncodingError:
crawl(request)
threading.Thread(target=run, args=(request,)).start()
if __name__ == '__main__':
start()