爬虫实例——爬取淘女郎相册（通过selenium、PhantomJS、BeautifulSoup爬取）

环境

操作系统：CentOS 6.7 32-bit

Python版本：2.6.6

第三方插件

selenium

PhantomJS

BeautifulSoup

代码

# -*- coding: utf-8 -*-
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
'''
作者：昨夜星辰
'''
import re
import os
import time
import shutil
import requests
import subprocess
from bs4 import BeautifulSoup
from selenium import webdriver

# 拼接url
def joint_url(string):
    return 'https:' + string

# 判断文件夹是否存在，如果存在就删除，否则就创建。
def create_folder(path):
    if os.path.exists(path):
        if os.path.isdir(path):
            shutil.rmtree(path)
        else:
            os.remove(path)
    os.mkdir(path)

root_folder = '淘女郎'
create_folder(root_folder)
url = 'https://mm.taobao.com/json/request_top_list.htm?page=1'
browser = webdriver.PhantomJS()
browser.get(url)
bs = BeautifulSoup(browser.page_source, 'lxml')
for top in bs('p', 'top'):
    mm_url = joint_url(top.find('a')['href'])
    mm_name = top.find('a').text
    mm_age = top.find('em').text
    mm_city = top.find('span').text
    mm_folder = '%s/%s' % (root_folder, mm_name)
    create_folder(mm_folder)
    print '发现一位美眉，她叫做%s，今年%s，住在%s，现在开始爬取她的个人页面……' % (mm_name, mm_age, mm_city)
    browser.get(mm_url)
    bs1 = BeautifulSoup(browser.page_source, 'lxml')
    base_info = bs1.find('ul', 'mm-p-info-cell clearfix')
    info_list = base_info('span')
    result = []
    result.append('昵称：' + info_list[0].text)
    result.append('生日：' + info_list[1].text.strip())
    result.append('所在城市：' + info_list[2].text)
    result.append('职业：' + info_list[3].text)
    result.append('血型：' + info_list[4].text)
    result.append('学校/专业：' + info_list[5].text)
    result.append('风格：' + info_list[6].text)
    result.append('身高：' + base_info.find('li', 'mm-p-small-cell mm-p-height').find('p').text)
    result.append('体重：' + base_info.find('li', 'mm-p-small-cell mm-p-weight').find('p').text)
    result.append('三围：' + base_info.find('li', 'mm-p-small-cell mm-p-size').find('p').text)
    result.append('罩杯：' + base_info.find('li', 'mm-p-small-cell mm-p-bar').find('p').text)
    result.append('鞋码：' + base_info.find('li', 'mm-p-small-cell mm-p-shose').find('p').text)
    print '资料收集完毕，正在保存她的个人资料……'
    filename = '%s/%s.txt' % (mm_folder, mm_name)
    with open(filename, 'w') as f:
        f.write('\r\n'.join(result))
    print '保存完毕！现在开始爬取她的个人相册……'
    album_menu_url = joint_url(bs1.find('ul', 'mm-p-menu').find('a')['href'])
    browser.get(album_menu_url)
    time.sleep(3)
    bs2 = BeautifulSoup(browser.page_source, 'lxml')
    album_number = 1
    for album_info in bs2('div', 'mm-photo-cell-middle'):
        album_url = joint_url(album_info.find('h4').find('a')['href'])
        album_name = album_info.find('h4').find('a').text.strip()
        album_size = album_info.find('span', 'mm-pic-number').text
        print '现在开始爬取她的第%d个相册，相册名为：《%s》%s……' % (album_number, album_name, album_size)
        browser.get(album_url)
        js1 = 'return document.body.scrollHeight'
        js2 = 'window.scrollTo(0, document.body.scrollHeight)'
        old_scroll_height = 0
        while(browser.execute_script(js1) > old_scroll_height):
            old_scroll_height = browser.execute_script(js1)
            browser.execute_script(js2)
            time.sleep(3)
        bs3 = BeautifulSoup(browser.page_source, 'lxml')
        photo_number = 1
        for photo_area in bs3('div', 'mm-photoimg-area'):
            print '现在开始下载她这个相册的第%d张图片……' % photo_number,
            photo_url = joint_url(photo_area.find('a')['href'])
            browser.get(photo_url)
            bs4 = BeautifulSoup(browser.page_source, 'lxml')
            big_img_url = joint_url(bs4.find('img', id='J_MmBigImg')['src'])
            content = requests.get(big_img_url).content
            filename = '%s/%d.jpg' % (mm_folder, photo_number)
            with open(filename, 'wb') as f:
                f.write(content)
            print '下载完毕！'
            photo_number += 1
        album_number += 1