PythonBiglove 2019-04-21
心血来潮写了个多线程抓妹子图,虽然代码还是有一些瑕疵,但是还是记录下来,分享给大家。
Pic_downloader.py
# -*- coding: utf-8 -*-
"""
Created on Fri Aug 07 17:30:58 2015
 
@author: Dreace
"""
import urllib2
import sys
import time
import os
import random
from multiprocessing.dummy import Pool as ThreadPool 
type_ = sys.getfilesystemencoding()
def rename():
  return time.strftime("%Y%m%d%H%M%S")
def rename_2(name): 
  if len(name) == 2: 
    name = '0' + name + '.jpg' 
  elif len(name) == 1: 
    name = '00' + name + '.jpg' 
  else: 
    name = name + '.jpg' 
  return name
def download_pic(i):
  global count
  global time_out
  if Filter(i):
    try: 
      content = urllib2.urlopen(i,timeout = time_out)
      url_content = content.read()
      f = open(repr(random.randint(10000,999999999)) + "_" + rename_2(repr(count)),"wb")
      f.write(url_content)
      f.close()
      count += 1
    except Exception, e:
      print i + "下载超时,跳过!".decode("utf-8").encode(type_)
def Filter(content):
  for line in Filter_list:
    line=line.strip('\n')
    if content.find(line) == -1:
      return True
def get_pic(url_address):
  global pic_list
  try:
    str_ = urllib2.urlopen(url_address, timeout = time_out).read()
    url_content = str_.split("\"")
    for i in url_content:
      if i.find(".jpg") != -1:
        pic_list.append(i)  
  except Exception, e:
    print "获取图片超时,跳过!".decode("utf-8").encode(type_)
MAX = 2
count = 0
time_out = 60
thread_num = 30
pic_list = []
page_list = []
Filter_list = ["imgsize.ph.126.net","img.ph.126.net","img2.ph.126.net"]
dir_name = "C:\Photos\\"+rename()
os.makedirs(dir_name)
os.chdir(dir_name)
start_time = time.time()
url_address = "http://sexy.faceks.com/?page="
for i in range(1,MAX + 1): 
  page_list.append(url_address + repr(i))
page_pool = ThreadPool(thread_num)
page_pool.map(get_pic,page_list)
print "获取到".decode("utf-8").encode(type_),len(pic_list),"张图片,开始下载!".decode("utf-8").encode(type_)
pool = ThreadPool(thread_num) 
pool.map(download_pic,pic_list)
pool.close() 
pool.join()
print count,"张图片保存在".decode("utf-8").encode(type_) + dir_name
print "共耗时".decode("utf-8").encode(type_),time.time() - start_time,"s"我们来看下一个网友的作品
#coding: utf-8 ############################################################# # File Name: main.py # Author: mylonly # mail: [email protected] # Created Time: Wed 11 Jun 2014 08:22:12 PM CST ######################################################################### #!/usr/bin/python import re,urllib2,HTMLParser,threading,Queue,time #各图集入口链接 htmlDoorList = [] #包含图片的Hmtl链接 htmlUrlList = [] #图片Url链接Queue imageUrlList = Queue.Queue(0) #捕获图片数量 imageGetCount = 0 #已下载图片数量 imageDownloadCount = 0 #每个图集的起始地址,用于判断终止 nextHtmlUrl = '' #本地保存路径 localSavePath = '/data/1920x1080/' #如果你想下你需要的分辨率的,请修改replace_str,有如下分辨率可供选择1920x1200,1980x1920,1680x1050,1600x900,1440x900,1366x768,1280x1024,1024x768,1280x800 replace_str = '1920x1080' replaced_str = '960x600' #内页分析处理类 class ImageHtmlParser(HTMLParser.HTMLParser): def __init__(self): self.nextUrl = '' HTMLParser.HTMLParser.__init__(self) def handle_starttag(self,tag,attrs): global imageUrlList if(tag == 'img' and len(attrs) > 2 ): if(attrs[0] == ('id','bigImg')): url = attrs[1][1] url = url.replace(replaced_str,replace_str) imageUrlList.put(url) global imageGetCount imageGetCount = imageGetCount + 1 print url elif(tag == 'a' and len(attrs) == 4): if(attrs[0] == ('id','pageNext') and attrs[1] == ('class','next')): global nextHtmlUrl nextHtmlUrl = attrs[2][1]; #首页分析类 class IndexHtmlParser(HTMLParser.HTMLParser): def __init__(self): self.urlList = [] self.index = 0 self.nextUrl = '' self.tagList = ['li','a'] self.classList = ['photo-list-padding','pic'] HTMLParser.HTMLParser.__init__(self) def handle_starttag(self,tag,attrs): if(tag == self.tagList[self.index]): for attr in attrs: if (attr[1] == self.classList[self.index]): if(self.index == 0): #第一层找到了 self.index = 1 else: #第二层找到了 self.index = 0 print attrs[1][1] self.urlList.append(attrs[1][1]) break elif(tag == 'a'): for attr in attrs: if (attr[0] == 'id' and attr[1] == 'pageNext'): self.nextUrl = attrs[1][1] print 'nextUrl:',self.nextUrl break #首页Hmtl解析器 indexParser = IndexHtmlParser() #内页Html解析器 imageParser = ImageHtmlParser() #根据首页得到所有入口链接 print '开始扫描首页...' host = 'http://desk.zol.com.cn' indexUrl = '/meinv/' while (indexUrl != ''): print '正在抓取网页:',host+indexUrl request = urllib2.Request(host+indexUrl) try: m = urllib2.urlopen(request) con = m.read() indexParser.feed(con) if (indexUrl == indexParser.nextUrl): break else: indexUrl = indexParser.nextUrl except urllib2.URLError,e: print e.reason print '首页扫描完成,所有图集链接已获得:' htmlDoorList = indexParser.urlList #根据入口链接得到所有图片的url class getImageUrl(threading.Thread): def __init__(self): threading.Thread.__init__(self) def run(self): for door in htmlDoorList: print '开始获取图片地址,入口地址为:',door global nextHtmlUrl nextHtmlUrl = '' while(door != ''): print '开始从网页%s获取图片...'% (host+door) if(nextHtmlUrl != ''): request = urllib2.Request(host+nextHtmlUrl) else: request = urllib2.Request(host+door) try: m = urllib2.urlopen(request) con = m.read() imageParser.feed(con) print '下一个页面地址为:',nextHtmlUrl if(door == nextHtmlUrl): break except urllib2.URLError,e: print e.reason print '所有图片地址均已获得:',imageUrlList class getImage(threading.Thread): def __init__(self): threading.Thread.__init__(self) def run(self): global imageUrlList print '开始下载图片...' while(True): print '目前捕获图片数量:',imageGetCount print '已下载图片数量:',imageDownloadCount image = imageUrlList.get() print '下载文件路径:',image try: cont = urllib2.urlopen(image).read() patter = '[0-9]*\.jpg'; match = re.search(patter,image); if match: print '正在下载文件:',match.group() filename = localSavePath+match.group() f = open(filename,'wb') f.write(cont) f.close() global imageDownloadCount imageDownloadCount = imageDownloadCount + 1 else: print 'no match' if(imageUrlList.empty()): break except urllib2.URLError,e: print e.reason print '文件全部下载完成...' get = getImageUrl() get.start() print '获取图片链接线程启动:' time.sleep(2) download = getImage() download.start() print '下载图片链接线程启动:'
批量抓取指定网页上的所有图片
# -*- coding:utf-8 -*-
# coding=UTF-8
 
import os,urllib,urllib2,re
 
url = u"http://image.baidu.com/search/index?tn=baiduimage&ipn=r&ct=201326592&cl=2&lm=-1&st=-1&fm=index&fr=&sf=1&fmq=&pv=&ic=0&nc=1&z=&se=1&showtab=0&fb=0&width=&height=&face=0&istype=2&ie=utf-8&word=python&oq=python&rsp=-1"
outpath = "t:\\"
 
def getHtml(url):
  webfile = urllib.urlopen(url)
  outhtml = webfile.read()
  print outhtml
  return outhtml
 
def getImageList(html):
  restr=ur'('
  restr+=ur'http:\/\/[^\s,"]*\.jpg'
  restr+=ur'|http:\/\/[^\s,"]*\.jpeg'
  restr+=ur'|http:\/\/[^\s,"]*\.png'
  restr+=ur'|http:\/\/[^\s,"]*\.gif'
  restr+=ur'|http:\/\/[^\s,"]*\.bmp'
  restr+=ur'|https:\/\/[^\s,"]*\.jpeg'  
  restr+=ur'|https:\/\/[^\s,"]*\.jpeg'
  restr+=ur'|https:\/\/[^\s,"]*\.png'
  restr+=ur'|https:\/\/[^\s,"]*\.gif'
  restr+=ur'|https:\/\/[^\s,"]*\.bmp'
  restr+=ur')'
  htmlurl = re.compile(restr)
  imgList = re.findall(htmlurl,html)
  print imgList
  return imgList
 
def download(imgList, page):
  x = 1
  for imgurl in imgList:
    filepathname=str(outpath+'pic_%09d_%010d'%(page,x)+str(os.path.splitext(urllib2.unquote(imgurl).decode('utf8').split('/')[-1])[1])).lower()
    print '[Debug] Download file :'+ imgurl+' >> '+filepathname
    urllib.urlretrieve(imgurl,filepathname)
    x+=1
 
def downImageNum(pagenum):
  page = 1
  pageNumber = pagenum
  while(page <= pageNumber):
    html = getHtml(url)#获得url指向的html内容
    imageList = getImageList(html)#获得所有图片的地址,返回列表
    download(imageList,page)#下载所有的图片
    page = page+1
 
if __name__ == '__main__':
  downImageNum(1)以上就是给大家汇总的3款Python实现的批量抓取妹纸图片的代码了,希望对大家学习Python爬虫能够有所帮助。