使用python来批量抓取网站图片 – 笑东风

今天”无意”看美女无意溜达到一个网站,发现妹子多多,但是可恨一个page只显示一张或两张图片,家里WiFi也难用,于是发挥”程序猿”的本色,写个小脚本,把图片扒下来再看,类似功能已有不少大师实现了,但本着学习锻炼的精神,自己折腾一遍,涨涨姿势!

先来效果展示下:

python代码:

# -*- coding:utf8 -*-
import urllib2
import re
import requests
from lxml import etree
import os


def check_save_path(save_path):
    try:
        os.mkdir(save_path)
    except:
        pass


def get_image_name(image_link):
    file_name = os.path.basename(image_link)
    return file_name


def save_image(image_link, save_path):
    file_name = get_image_name(image_link)
    file_path = save_path + "\\" + file_name
    print("准备下载%s" % image_link)
    try:
        file_handler = open(file_path, "wb")
        image_handler = urllib2.urlopen(url=image_link, timeout=5).read()
        file_handler.write(image_handler)
        file_handler.closed()
    except Exception, ex:
        print(ex.message)


def get_image_link_from_web_page(web_page_link):
    image_link_list = []
    print(web_page_link)
    try:
        html_content = urllib2.urlopen(url=web_page_link, timeout=5).read()
        html_tree = etree.HTML(html_content)
        print(str(html_tree))
        link_list = html_tree.xpath('//p/img/@src')
        for link in link_list:
            # print(link)
            if str(link).find("uploadfile"):
                image_link_list.append("http://www.xgyw.cc/" + link)
    except Exception, ex:
        pass
    return image_link_list


def get_page_link_list_from_index_page(base_page_link):
    try:
        html_content = urllib2.urlopen(url=base_page_link, timeout=5).read()
        html_tree = etree.HTML(html_content)
        print(str(html_tree))
        link_tmp_list = html_tree.xpath('//div[@class="page"]/a/@href')
        page_link_list = []
        for link_tmp in link_tmp_list:
            page_link_list.append("http://www.xgyw.cc/" + link_tmp)
        return page_link_list
    except Exception, ex:
        print(ex.message)
        return []


def get_page_title_from_index_page(base_page_link):
    try:
        html_content = urllib2.urlopen(url=base_page_link, timeout=5).read()
        html_tree = etree.HTML(html_content)
        print(str(html_tree))
        page_title_list = html_tree.xpath('//td/div[@class="title"]')
        page_title_tmp = page_title_list[0].text
        print(page_title_tmp)
        return page_title_tmp
    except Exception, ex:
        print(ex.message)
        return ""


def get_image_from_web(base_page_link, save_path):
    check_save_path(save_path)
    page_link_list = get_page_link_list_from_index_page(base_page_link)
    for page_link in page_link_list:
        image_link_list = get_image_link_from_web_page(page_link)
        for image_link in image_link_list:
            save_image(image_link, save_path)


base_page_link = "http://www.xgyw.cc/tuigirl/tuigirl1346.html"
page_title = get_page_title_from_index_page(base_page_link)
if page_title <> "":
    save_path = "N:\\PIC\\" + page_title
else:
    save_path = "N:\\PIC\\other\\"

get_image_from_web(base_page_link, save_path)

View Code

 

代码思路:

使用urllib2.urlopen(url).open来获取页面数据,再使用etree.HTML()将页面解析成xml格式,方便使用xmlpath方式来获取特定node的值,最终遍历所有页面得到要下载的图片,将图片保存到本地。

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python包安装:

很多python包没有windows安装包,或者没有X64版本的安装包,对于新手来说,很难快速上手,可以使用pip或easy_install来安装要使用的安装包,相关安装方式:https://pypi.python.org/pypi/setuptools

本人采用easy_install方式,我电脑安装python2.7,安装路径为:C:\Python27\python.exe,下载ez_setup.py文件后到c盘保存,然后运行cmd执行以下命令:

C:\Python27\python.exe “c:\ez_setup.py”

即可安装easy_install,安装结束后可以C:\Python27\Scripts下看到easy_install-2.7.exe,如果我们想在本地安装requests包,那么可以运行以下命令来试下:

“C:\Python27\Scripts\easy_install-2.7.exe” requests

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依旧是妹子压贴,推女郎第68期,想要图的自己百度

 



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