python爬取站长素材网页图片保存到ppt中

import requests
from bs4 import BeautifulSoup
from pptx import Presentation
from pptx.util import Inches
import os
header = {
"Referer":"http://sc.chinaz.com/tupian/index_2.html",
"Upgrade-Insecure-Requests":1,
"User-Agent":"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.62 Safari/537.36",
"Host":"sc.chinaz.com",
"If-None-Match":"b22f28e7941dd41:0",
"Accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
"Connection":"keep-alive"
}
#创建ppt
prs = Presentation()
#图片放置位置
left, top, width, height = Inches(1), Inches(0.5), Inches(8), Inches(6)
#查询最大页数
response = requests.get("http://sc.chinaz.com/tupian/index.html")
soup = BeautifulSoup(response.text,"lxml");
b=soup.find_all("b")
print("最大页数为%s" % b[-1].text)
for i in range(2,int(b[-1].text)):
print("下载第%d页的图片" % i)
resposne = requests.get("http://sc.chinaz.com/tupian/index_%s.html" % str(i));
resposne.encoding="utf-8"
soup = BeautifulSoup(resposne.text,"lxml")
div = soup.find("div",id="container")
#获取所有a标签
a = div.find_all("img")
for j in a:
#获取名称
name = j["alt"]
#获取图片地址
img = j["src2"]
#href = j.find("img")["src2"]
#图片保存的名称
imgname = name+".jpg"
conteng = requests.get(img)
#图片二进制
er = conteng.content
with open("F:\\BaiduNetdiskDownload\\"+imgname,"wb") as file:
print("正在下载图片--%s" %imgname)
file.write(er)
file.flush()
#创建一个空白ppt
ppt = prs.slide_layouts[6]
#添加到ppt中
ppts = prs.slides.add_slide(ppt)
#空白ppt添加下载的图片
pic = ppts.shapes.add_picture("F:\\BaiduNetdiskDownload\\"+imgname, left, top, width, height)
#删除图片
try:
if os.path.exists("F:\\BaiduNetdiskDownload\\"+imgname):
# 删除文件，可使用以下两种方法。
os.remove("F:\\BaiduNetdiskDownload\\"+imgname)
# os.unlink(my_file)
except:
pass
files= os.listdir("F:\\BaiduNetdiskDownload\\")
if files:
for k in files:
print("正在删除图片--%s" % k)
os.remove("F:\\BaiduNetdiskDownload\\"+k)
prs.save("ppt1.ppt")