Created
July 25, 2019 20:23
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4chan image dumper w/ following links
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#!/bin/python | |
from bs4 import BeautifulSoup | |
import urllib.request | |
import sys | |
import re | |
import os | |
arg = sys.argv[1] | |
opener = urllib.request.build_opener() | |
opener.addheaders = [('User-Agent','Mozilla/5.0')] | |
urllib.request.install_opener(opener) | |
while True: | |
dirname = re.search(r'(?<=thread/)[^.\s]*',arg).group(0) | |
boardname = re.search(r'(?<=.org/)[^/\s]*',arg).group(0) | |
req = urllib.request.Request(arg) | |
try: | |
with urllib.request.urlopen(req) as response: | |
soup = BeautifulSoup(response.read(),features="html.parser") | |
except urllib.error.HTTPError: | |
print("404, Trying archive.nyafuu.org...") | |
req = urllib.request.Request('https://archive.nyafuu.org/'+boardname+'/thread/'+dirname) | |
with urllib.request.urlopen(req) as response: | |
soup = BeautifulSoup(response.read(),features="html.parser") | |
try: | |
os.mkdir(dirname) | |
except FileExistsError as error: | |
print('Directory '+dirname+' already exists, not creating...') | |
for link in soup.findAll("a", {"class":"fileThumb"})+soup.findAll("a", {"class":"thread_image_link"}): | |
if link['href'].find('http') != -1: | |
url = link['href'] | |
else: | |
url = 'http:'+link['href'] | |
filename = url.rsplit('/', 1)[-1] | |
if os.path.isfile(dirname+'/'+filename) != True: | |
print('Downloading '+filename+'...') | |
urllib.request.urlretrieve(url,dirname+'/'+filename,) | |
else: | |
print('Skipping '+filename+', because it already exists.') | |
found = False | |
for link in soup.findAll("span", {"class":"deadlink"})+soup.findAll("a", {"class":"quotelink"})+soup.findAll("a", {"class":"backlink"}): | |
url = link.text | |
if int(url[2:]) < int(dirname): | |
print('Found previous thread, following the link') | |
found = True | |
arg = arg[:-len(dirname)]+url[2:] | |
break | |
if found == False: | |
print('Previous thread not found. Exitting..') | |
break |
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