Python制作爬虫采集小说
开发工具：python3.4
操作系统：win8
主要功能：去指定小说网页爬小说目录，按章节保存到本地，并将爬过的网页保存到本地配置文件。
被爬网站：http://www.cishuge.com/
小说名称：灵棺夜行
代码出处：本人亲自码的
import urllib.request
import http.cookiejar
import socket
import time
import re
timeout = 20
socket.setdefaulttimeout(timeout)
sleep_download_time = 10
time.sleep(sleep_download_time)
def makeMyOpener(head = {
'Connection': 'Keep-Alive',
'Accept': 'text/html, application/xhtml+xml, */*',
'Accept-Language': 'en-US,en;q=0.8,zh-Hans-CN;q=0.5,zh-Hans;q=0.3',
'User-Agent': 'Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; rv:11.0) like Gecko'
}):
cj = http.cookiejar.CookieJar()
opener = urllib.request.build_opener(urllib.request.HTTPCookieProcessor(cj))
header = []
for key, value in head.items():
elem = (key, value)
header.append(elem)
opener.addheaders = header
return opener
def saveFile(save_path,txts):
f_obj = open(save_path,'w+')
for item in txts:
f_obj.write(item+'\n')
f_obj.close()
#get_code_list
code_list='http://www.cishuge.com/read/0/771/'
oper = makeMyOpener()
uop = oper.open(code_list,timeout=1000)
data = uop.read().decode('gbk','ignore')
pattern = re.compile('<li><a href="(.*?)".*?>(.*?)</a></li>',re.S)
items = re.findall(pattern,data)
print ('获取列表完成')
url_path='url_file.txt'
url_r=open(url_path,'r')
url_arr=url_r.readlines(100000)
url_r.close()
print (len(url_arr))
url_file=open(url_path,'a')
print ('获取已下载网址')
for tmp in items:
save_path = tmp[1].replace(' ','')+'.txt'
url = code_list+tmp[0]
if url+'\n' in url_arr:
continue
print('写日志：'+url+'\n')
url_file.write(url+'\n')
opene = makeMyOpener()
op1 = opene.open(url,timeout=1000)
data = op1.read().decode('gbk','ignore')
opene.close()
pattern = re.compile(' (.*?)<br />',re.S)
txts = re.findall(pattern,data)
saveFile(save_path,txts)
url_file.close()
虽然代码还是有点瑕疵，还是分享给大家，一起改进