The markdown file obtains the pictures of the network and stores them locally and modifies the URL

This script aims to get all the pictures in the network in the specified file , And stored locally , And modify the url Point to local picture .

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Author : codekiller
# @Time : 2022/2/13 20:42
# @Email : [email protected]
# @File : MdImage.py
# @Description:  Used for md Acquisition of pictures in files , Keep it locally , And modify it md file . It just needs to be modified ua And the location of the file 

import re
import requests
import time

ua =  Go to the browser to find 
headers = {
    "User-Agent": ua}

#  The location of the file 
file_dir = r'F:\md note \java\JVM\\'
file_n = 'test'
file_suffix = '.md'
fileName = file_dir+file_n+file_suffix

#  Where to store pictures 
img_tsrc = 'assets/'
img_src = file_dir + img_tsrc

with open(file=fileName, mode="r", encoding='utf-8') as f1:
    #  To count 
    s_count = 0
    fail_count = 0
    sus_count = 0

    lines = f1.readlines()
    for i in range(0, len(lines)):
        url = re.findall('<img src="(.*?)"', lines[i], re.S)
        if len(url)!=0:
           url = url[0]
           # Deal with local pictures 
           if len(re.findall(img_tsrc+'.*', url, re.S))!=0:
               print(' The first ',i,' That's ok ： For local pictures ')
               s_count+=1
               continue

           # Get the time as the picture file name 
           timestamp = int(time.time())
           image_name = str(time.strftime('%Y%m%d%H%M%S', time.localtime(timestamp)))+str(i)+".png"

           # Ask for pictures 
           img = requests.get(url,headers=headers)
           # Determine whether to obtain 
           if img.status_code != 200:
               print(' The first ',i,' That's ok ：','!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!',img.status_code)
               fail_count+=1
               continue

           # Storage 
           target = open(img_src+image_name,'ab')
           target.write(img.content)
           target.close()
           lines[i] = lines[i].replace(url,img_tsrc+image_name)
           print(' The first ',i,' That's ok ：',url+' Success turned into '+img_tsrc+image_name)
           sus_count+=1
    print('--- The local picture is ：',s_count,' individual ---')
    print('--- Failed to get ：',fail_count,' individual ---')
    print('--- Successfully converted to ：',sus_count,' individual ---')


# To be processed cNames Write to a new file 
fileName2 = file_dir+file_n+'- modify '+file_suffix
with open(file = fileName2,mode='w',encoding='utf-8') as f2:
    f2.writelines(lines)

Console output ：

An exclamation mark indicates that the conversion failed , Followed by the status code of the image ; Descriptions for local pictures do not need to be converted .

The effect of successful transformation ：