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#!/bin/env python
import re
import os
import sys
import tempfile
usage = """Usage:
$ bot4chan "URL_BOARD_4CHAN" ["DIRECTORY"]
DIRECTORY is optional and by default is "dump\""""
# Use http instead of https to avoid the overhead of encryption
PROTOCOL = 'http'
REGEX = '<a class="fileThumb" href="(.*?)" target="_blank"( data-m)?>'
if len(sys.argv) <= 1 or sys.argv[1] in ['-h', '--help']:
print(usage)
sys.exit(0)
new_file, filename = tempfile.mkstemp()
if not new_file:
filename = "index.html"
dumpDir = "dump"
if len(sys.argv) >= 3:
dumpDir = sys.argv[2]
# Download the board
os.system(f"wget {sys.argv[1]} -O {filename} -N -q")
# The result is on a single line so we put line feed after every link to space markup out
# We use sed instead of python to not read the whole file
os.system(f"sed -i 's/<\\/a>/<\\/a>\\n/g' {filename}")
# Create the output directory
os.system(f"mkdir -p {dumpDir}")
# We look for a image link on each line since one line should have a uniq link
with open(filename, 'r') as f:
for line in f:
yes = re.search(REGEX, line)
if yes:
image = yes.group(1)
print(f"Téléchargement de : {image}")
res = os.system(f"wget {PROTOCOL}:{image} -N -q")
if res != 0:
print(f"💀 Error downloading imgage : {image}")
continue
res = os.system(f"mv {image[image.rfind('/') + 1:]} {dumpDir}")
if res != 0:
print(f"💀 Error moving imgage to {dumpDir}")
os.remove(filename)
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