前言
写博客的人一定都会有一个图床,将图片存在那里。发现自己以前没有注意图片来源问题,随手就贴在博客上面了。现在有不少图片都挂了,换句话来说有可能自己目前用的图床不提供服务了,那所有的图片都有可能丢失......所以打算写个脚本,把以前博客的图片保存下来,并在以后发博的时候注意保存本地图片。emmm,程序如下,主要是个人用脚本,所以很多地方就是图自己的方便、根据自己的情况写的:
代码
# -*- coding: utf-8 -*-
import os
import requests
from bs4 import BeautifulSoup
import re
import time
from subprocess import call
path = "./back_up/"
url = "https://www.cnblogs.com/yunlambert/p/"
model = 'http://equations.online/'
def download(DownUrl, DownPath, OutPutFileName):
IDM = r'D:\yun_install_software\IDM\IDMan.exe'
DownPath = r'E:\workstation\Github\Blog_Pictures\back_up'
call([IDM, '/d', DownUrl, '/p', DownPath, '/f', OutPutFileName, '/n'])
def get_url(url):
try:
headers = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) ''Chrome/51.0.2704.63 Safari/537.36'}
response = requests.get(url, headers=headers, timeout=30)
if response.status_code == 200:
return response.text
else:
print(response.status_code)
return None
except:
print('Error open the page... ')
return None
def get_pages(post_page):
pages = []
while True:
try:
post_pages = post_page.find_all(name="a")[-2].get('href')
temp = get_url("https://www.cnblogs.com" + post_pages)
post_page = BeautifulSoup(temp, "lxml")
pages.append("https://www.cnblogs.com" + post_pages)
# print(post_pages)
except Exception as e:
print(Exception, ":", e)
break
return pages
def main():
folder = os.path.exists(path)
if not folder:
os.makedirs(path)
html = get_url(url)
soup = BeautifulSoup(html, "lxml")
post_page_1 = soup.find(name='div', attrs={"class": "Pager"})
post_page = get_pages(post_page_1)
post_page.insert(0, "https://www.cnblogs.com/yunlambert/p/?page=1")
print(post_page)
post_article = []
for i in range(0, len(post_page)):
link = post_page[i]
page = BeautifulSoup(get_url(link), "lxml")
try:
article = page.find_all(name="div", attrs={"class": "postTitl2"})
for j in range(0, len(article)):
post_article.append(article[j].a.get("href"))
except Exception as e:
print(Exception, ":", e)
continue
print(post_article)
img_url_list = []
for i in range(0, len(post_article)):
print("new article....")
m = get_url(post_article[i])
soup_article = BeautifulSoup(m, "lxml")
replace_pattern = r'<[img|IMG].*?/>' # img标签的正则式
img_url_pattern = r'.+?src="(\S+)"' # img_url的正则式
# 只在段落中查找图片
need_replace_list = re.findall(replace_pattern, str(soup_article.find_all('p'))) # 找到所有的img标签
for tag in need_replace_list:
if re.findall(img_url_pattern, tag) != []:
download_path = "E:\\workstation\\Github\\Blog_Pictures\\back_up\\"
# download_name = re.findall(img_url_pattern, tag)[0].split('/')[-6]
now = time.strftime("%Y-%m-%d-%H_%M_%S", time.localtime(time.time()))
download_name = now + ".png"
download(re.findall(img_url_pattern, tag)[0], download_path, download_name)
print(re.findall(img_url_pattern, tag)[0])
img_url_list.append(re.findall(img_url_pattern, tag)[0]) # 找到所有的img_url
if __name__ == "__main__":
main()
原文地址:https://www.cnblogs.com/yunlambert/p/10201825.html
时间: 2024-10-02 20:01:59