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root/software/image_grabber/grabber.py @ a2411dde

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from multiprocessing import Process
from multiprocessing import Queue
import multiprocessing
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import os
import re
import sys
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import time
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import urllib2

# --- DESCRIPTION ---
# A script for circumventing the image "protection" from http://celebforum.to/
# specifically for imagevenue.com links (will also support imagebam in the future)
#
# USAGE:
# python grabber.py <html source of gallery>


# http://img184.imagevenue.com/loc663/th_74708_0005_blood_orange_dress05_123_663lo.jpg
# http://img184.imagevenue.com/img.php?loc=loc663&image=74708_0005_blood_orange_dress05_123_663lo.jpg
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IMAGEVENUE_PAGE_RE = r'"http://(img\d{3})\.imagevenue\.com/(loc\d{3})/(.+?\.jpg)"'
IMAGEVENUE_SRC_RE = r'<img id="thepic" .+? SRC="(.+?)"'
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IMAGEBAM_PAGE_RE = r'"http://thumbnails\d+\.imagebam\.com/\d+/(.+?\.jpg)"'
IMAGEBAM_SRC_RE = r'<img .+? onclick="scale\(this\);" src="(.+?\.jpg)"'
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# Location where the images should be saved
IMAGE_SAVE_PATH = 'images'


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class ImageVenueProcessor(Process):

def __init__(self, input_file_name, image_src_queue):
Process.__init__(self)
self.input_file_name = input_file_name
self.image_src_queue = image_src_queue
self.running = False

def run(self):
self.running = True

# Iterate over the input source file and look for all thumbnail image matches
matches = []
with open(self.input_file_name, 'r') as input_file:
for line in input_file:
line_matches = re.findall(IMAGEVENUE_PAGE_RE, line)
for line_match in line_matches:
matches.append(line_match)

# Iterate over each match and build the correct image page URL
# Major thanks to http://vintage-erotica-forum.com/showthread.php?p=694632
# for explaining the secret sauce!
total = len(matches)
for idx, match in enumerate(matches):
server = 'http://{:s}.imagevenue.com/'.format(match[0])
image_name = match[2][3:]
image_loc = 'img.php?loc={:s}&image={:s}'.format(match[1], image_name)
link = '{:s}{:s}'.format(server, image_loc)

# Open the image page and download the source HTML
response = urllib2.urlopen(link)
html = response.read()

# Iterate over the source HTML looking for the image source link
for line in html.split('\n'):
img = re.search(IMAGEVENUE_SRC_RE, line)
if img:
location = '{:s}{:s}'.format(server, img.group(1))
print '{:3d} of {:3d} - {:s}'.format(idx + 1, total, location)
self.image_src_queue.put(location)

self.running = False

class ImageBamProcessor(Process):

def __init__(self, input_file_name, image_src_queue):
Process.__init__(self)
self.input_file_name = input_file_name
self.image_src_queue = image_src_queue
self.running = False

def run(self):
self.running = True

# Iterate over the input source file and look for all thumbnail image matches
matches = []
with open(self.input_file_name, 'r') as input_file:
for line in input_file:
line_matches = re.findall(IMAGEBAM_PAGE_RE, line)
for line_match in line_matches:
matches.append(line_match)

# Iterate over each match and build the correct image page URL
# Thanks to http://board.jdownloader.org/showthread.php?t=26255
total = len(matches)
for idx, match in enumerate(matches):
image_name = match
server = 'http://www.imagebam.com/image/'
link = '{:s}{:s}'.format(server, image_name)

# Open image page and download the source HTML
response = urllib2.urlopen(link)
html = response.read()

# Iterate over the source HTML looking for the image source link
for line in html.split('\n'):
img_match = re.search(IMAGEBAM_SRC_RE, line)
if img_match:
location = img_match.group(1)
print '{:3d} of {:3d} - {:s}'.format(idx + 1, total, location)
self.image_src_queue.put(location)

self.running = False

class Downloader(Process):

def __init__(self, image_src_queue):
Process.__init__(self)
self.image_src_queue = image_src_queue

def run(self):

while True:
image_path = self.image_src_queue.get()
image_name = image_path.rsplit('/', 1)[1]

print 'Downloading "{:s}"...'.format(image_path),

# Check if the image has already been downloaded before
# attempting to download it
contents = os.listdir(IMAGE_SAVE_PATH)
if image_name not in os.listdir(IMAGE_SAVE_PATH):
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# Download the freakin image!
try:
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response = urllib2.urlopen(image_path, timeout=4)
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data = response.read()
except:
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# print 'Unable to download: {:s}'.format(location)
print 'ERROR'
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continue

# Save the image to the desired location
with open(os.path.join(IMAGE_SAVE_PATH, image_name), 'wb') as new_image:
new_image.write(data)

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print 'DONE'
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else:
print 'SKIPPED'
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def main():
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if len(sys.argv) < 2:
print 'Not enough arguments specified!'
return -1

# Create the image source queue that the "Processing" objects will produce
# to and the "Downloader" objects will consume from
image_src_queue = Queue(2048)

# Based on the number of cores in the system determine how many
# Downloader worker objects should be created
num_workers = max(1, multiprocessing.cpu_count() - 2)

# Create the Downloader worker objects
dl_workers = []
for ctr in xrange(num_workers):
dl_worker = Downloader(image_src_queue)
dl_worker.start()
dl_workers.append(dl_worker)

# Create the ImageBam Processsor
ib_proc = ImageBamProcessor(sys.argv[1], image_src_queue)
ib_proc.start()

# Create the ImageVenue Processor
iv_proc = ImageVenueProcessor(sys.argv[1], image_src_queue)
iv_proc.start()

# Wait for the Processor objects to complete
ib_proc.join()
iv_proc.join()

# Wait until the image source queue is empty, then kill all the
# Downloader workers
while True:
if image_src_queue.empty():
# Wait 3 seconds to allow any downloads to finish
time.sleep(3)
for dl_worker in dl_workers:
dl_worker.terminate()
break

print '\n\n'
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if __name__ == '__main__':
sys.exit(main())