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August 30, 2024 22:53
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Download all images in markdown files and rename the links to point to the local files
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# Download all images from all FOLDER_NAME in FOLDER_NAME folder | |
# and save them to FOLDER_NAME/_attachments folder. | |
# Then replace remote image paths with local paths. | |
# Usage: python download_imgs.py | |
import os | |
import urllib | |
import urllib.parse | |
import urllib.request | |
import re | |
import time | |
import socket | |
# Change this to the folder name containing your markdown files | |
FOLDER_NAME = "articles" | |
# Get all files in FOLDER_NAME folder | |
files = os.listdir(f'{FOLDER_NAME}') | |
# Loop through all files | |
for file in files: | |
# Open file if it's a markdown file | |
if not file.endswith('.md'): | |
continue | |
f = open(f'{FOLDER_NAME}/' + file, 'r') | |
# Read file | |
content = f.read() | |
# Loop through all images in file (markdown syntax) | |
for img in re.findall(r'!\[.*\]\((.*)\)', content): | |
# Get image name, use timestamp to avoid duplicates | |
name = str(time.time()) + os.path.basename(urllib.parse.urlparse(img).path) | |
# Create FOLDER_NAME/_attachments folder if it doesn't exist | |
if not os.path.exists(f'{FOLDER_NAME}/_attachments'): | |
os.makedirs(f'{FOLDER_NAME}/_attachments') | |
try: | |
# Download image to FOLDER_NAME/_attachments folder | |
# Use Python Requests instead of urlretrieve to avoid 403 errors | |
headers = {'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.64 Safari/537.11', | |
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', | |
'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.3', | |
'Accept-Encoding': 'none', | |
'Accept-Language': 'en-US,en;q=0.8', | |
'Connection': 'keep-alive'} | |
req = urllib.request.Request(img, headers=headers) | |
response = urllib.request.urlopen(req) | |
f = open(f'{FOLDER_NAME}/_attachments/' + name, 'wb') | |
f.write(response.read()) | |
# Add timeout to avoid hanging | |
socket.setdefaulttimeout(30) | |
# Replace image path with local path | |
content = content.replace(img, '_attachments/' + name) | |
# Print status | |
print('Downloaded ' + img + f' to {FOLDER_NAME}/_attachments/' + name) | |
# Print error details | |
except Exception as e: | |
print('Error downloading ' + img + ': ' + str(e)) | |
# Sleep for 1 second to avoid rate limiting, if any | |
time.sleep(1) | |
# Close file | |
f.close() | |
# Write file | |
f = open(f'{FOLDER_NAME}/' + file, 'w') | |
f.write(content) | |
# Close file | |
f.close() |
This was helpful for me, thanks.
it works perfectly!
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Should've processed the URLs first to deal with weird links. E.g. Insider's images' links look like this:
{"https://i.insider.com/5699688ce6183e46258b7648":{"contentType":"image/png","aspectRatioW":1575,"aspectRatioH":1181}}
.But it works for normal links.