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368 lines
13 KiB
Python
368 lines
13 KiB
Python
# encoding=utf8
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import datetime
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from distutils.version import StrictVersion
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import hashlib
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import os.path
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import random
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from seesaw.config import realize, NumberConfigValue
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from seesaw.externalprocess import ExternalProcess
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from seesaw.item import ItemInterpolation, ItemValue
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from seesaw.task import SimpleTask, LimitConcurrent
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from seesaw.tracker import GetItemFromTracker, PrepareStatsForTracker, \
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UploadWithTracker, SendDoneToTracker
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import shutil
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import socket
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import subprocess
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import sys
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import time
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import string
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import re
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import random
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try:
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import warcio
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from warcio.archiveiterator import ArchiveIterator
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from warcio.warcwriter import WARCWriter
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except:
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raise Exception("Please install warc with 'sudo pip install warcio --upgrade'.")
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import seesaw
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from seesaw.externalprocess import WgetDownload
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from seesaw.pipeline import Pipeline
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from seesaw.project import Project
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from seesaw.util import find_executable
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from tornado import httpclient
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# check the seesaw version
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if StrictVersion(seesaw.__version__) < StrictVersion('0.8.5'):
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raise Exception('This pipeline needs seesaw version 0.8.5 or higher.')
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###########################################################################
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# Find a useful Wget+Lua executable.
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#
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# WGET_LUA will be set to the first path that
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# 1. does not crash with --version, and
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# 2. prints the required version string
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WGET_LUA = find_executable(
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'Wget+Lua',
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['GNU Wget 1.14.lua.20130523-9a5c', 'GNU Wget 1.14.lua.20160530-955376b'],
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[
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'./wget-lua',
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'./wget-lua-warrior',
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'./wget-lua-local',
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'../wget-lua',
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'../../wget-lua',
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'/home/warrior/wget-lua',
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'/usr/bin/wget-lua'
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]
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)
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if not WGET_LUA:
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raise Exception('No usable Wget+Lua found.')
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###########################################################################
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# The version number of this pipeline definition.
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#
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# Update this each time you make a non-cosmetic change.
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# It will be added to the WARC files and reported to the tracker.
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VERSION = '20190729.01'
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USER_AGENT = 'ArchiveTeam'
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TRACKER_ID = 'reddit'
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TRACKER_HOST = 'tracker.archiveteam.org'
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###########################################################################
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# This section defines project-specific tasks.
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#
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# Simple tasks (tasks that do not need any concurrency) are based on the
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# SimpleTask class and have a process(item) method that is called for
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# each item.
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class CheckIP(SimpleTask):
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def __init__(self):
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SimpleTask.__init__(self, 'CheckIP')
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self._counter = 0
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def process(self, item):
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# NEW for 2014! Check if we are behind firewall/proxy
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if self._counter <= 0:
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item.log_output('Checking IP address.')
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ip_set = set()
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ip_set.add(socket.gethostbyname('twitter.com'))
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ip_set.add(socket.gethostbyname('facebook.com'))
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ip_set.add(socket.gethostbyname('youtube.com'))
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ip_set.add(socket.gethostbyname('microsoft.com'))
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ip_set.add(socket.gethostbyname('icanhas.cheezburger.com'))
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ip_set.add(socket.gethostbyname('archiveteam.org'))
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if len(ip_set) != 6:
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item.log_output('Got IP addresses: {0}'.format(ip_set))
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item.log_output(
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'Are you behind a firewall/proxy? That is a big no-no!')
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raise Exception(
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'Are you behind a firewall/proxy? That is a big no-no!')
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# Check only occasionally
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if self._counter <= 0:
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self._counter = 10
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else:
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self._counter -= 1
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class PrepareDirectories(SimpleTask):
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def __init__(self, warc_prefix):
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SimpleTask.__init__(self, 'PrepareDirectories')
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self.warc_prefix = warc_prefix
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def process(self, item):
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item_name = item['item_name']
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escaped_item_name = item_name.replace(':', '_').replace('/', '_').replace('~', '_')
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item_hash = hashlib.sha1(item_name.encode('utf-8')).hexdigest()
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dirname = '/'.join((item['data_dir'], item_hash))
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if os.path.isdir(dirname):
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shutil.rmtree(dirname)
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os.makedirs(dirname)
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item['item_dir'] = dirname
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item['warc_file_base'] = '%s-%s-%s' % (self.warc_prefix, item_hash,
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time.strftime('%Y%m%d-%H%M%S'))
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open('%(item_dir)s/%(warc_file_base)s.warc.gz' % item, 'w').close()
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open('%(item_dir)s/%(warc_file_base)s_data.txt' % item, 'w').close()
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class Deduplicate(SimpleTask):
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def __init__(self):
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SimpleTask.__init__(self, 'Deduplicate')
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def process(self, item):
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digests = {}
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input_filename = '%(item_dir)s/%(warc_file_base)s.warc.gz' % item
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output_filename = '%(item_dir)s/%(warc_file_base)s-deduplicated.warc.gz' % item
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with open(input_filename, 'rb') as f_in, \
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open(output_filename, 'wb') as f_out:
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writer = WARCWriter(filebuf=f_out, gzip=True)
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for record in ArchiveIterator(f_in):
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url = record.rec_headers.get_header('WARC-Target-URI')
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if url is not None and url.startswith('<'):
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url = re.search('^<(.+)>$', url).group(1)
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record.rec_headers.replace_header('WARC-Target-URI', url)
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if record.rec_headers.get_header('WARC-Type') == 'response':
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digest = record.rec_headers.get_header('WARC-Payload-Digest')
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if digest in digests:
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writer.write_record(
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self._record_response_to_revisit(writer, record,
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digests[digest])
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)
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else:
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digests[digest] = (
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record.rec_headers.get_header('WARC-Record-ID'),
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record.rec_headers.get_header('WARC-Date'),
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record.rec_headers.get_header('WARC-Target-URI')
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)
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writer.write_record(record)
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elif record.rec_headers.get_header('WARC-Type') == 'warcinfo':
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record.rec_headers.replace_header('WARC-Filename', output_filename)
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writer.write_record(record)
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else:
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writer.write_record(record)
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def _record_response_to_revisit(self, writer, record, duplicate):
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warc_headers = record.rec_headers
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warc_headers.replace_header('WARC-Refers-To', duplicate[0])
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warc_headers.replace_header('WARC-Refers-To-Date', duplicate[1])
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warc_headers.replace_header('WARC-Refers-To-Target-URI', duplicate[2])
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warc_headers.replace_header('WARC-Type', 'revisit')
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warc_headers.replace_header('WARC-Truncated', 'length')
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warc_headers.replace_header('WARC-Profile',
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'http://netpreserve.org/warc/1.0/' \
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'revisit/identical-payload-digest')
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warc_headers.remove_header('WARC-Block-Digest')
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warc_headers.remove_header('Content-Length')
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return writer.create_warc_record(
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record.rec_headers.get_header('WARC-Target-URI'),
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'revisit',
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warc_headers=warc_headers,
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http_headers=record.http_headers
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)
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class MoveFiles(SimpleTask):
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def __init__(self):
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SimpleTask.__init__(self, 'MoveFiles')
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def process(self, item):
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if os.path.exists('%(item_dir)s/%(warc_file_base)s.warc' % item):
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raise Exception('Please compile wget with zlib support!')
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#os.rename('%(item_dir)s/%(warc_file_base)s-deduplicated.warc.gz' % item,
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# '%(data_dir)s/%(warc_file_base)s-deduplicated.warc.gz' % item)
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os.rename('%(item_dir)s/%(warc_file_base)s.warc.gz' % item,
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'%(data_dir)s/%(warc_file_base)s.warc.gz' % item)
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os.rename('%(item_dir)s/%(warc_file_base)s_data.txt' % item,
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'%(data_dir)s/%(warc_file_base)s_data.txt' % item)
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shutil.rmtree('%(item_dir)s' % item)
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def get_hash(filename):
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with open(filename, 'rb') as in_file:
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return hashlib.sha1(in_file.read()).hexdigest()
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CWD = os.getcwd()
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PIPELINE_SHA1 = get_hash(os.path.join(CWD, 'pipeline.py'))
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LUA_SHA1 = get_hash(os.path.join(CWD, 'reddit.lua'))
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def stats_id_function(item):
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# NEW for 2014! Some accountability hashes and stats.
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d = {
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'pipeline_hash': PIPELINE_SHA1,
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'lua_hash': LUA_SHA1,
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'python_version': sys.version,
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}
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return d
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class WgetArgs(object):
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post_chars = string.digits + string.ascii_lowercase
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def int_to_str(self, i):
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d, m = divmod(i, 36)
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if d > 0:
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return self.int_to_str(d) + self.post_chars[m]
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return self.post_chars[m]
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def realize(self, item):
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wget_args = [
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WGET_LUA,
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'-U', USER_AGENT,
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'-nv',
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'--lua-script', 'reddit.lua',
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'--load-cookies', 'cookies.txt',
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'-o', ItemInterpolation('%(item_dir)s/wget.log'),
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'--no-check-certificate',
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'--output-document', ItemInterpolation('%(item_dir)s/wget.tmp'),
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'--truncate-output',
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'-e', 'robots=off',
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'--rotate-dns',
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'--recursive', '--level=inf',
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'--no-parent',
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'--page-requisites',
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'--timeout', '30',
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'--tries', 'inf',
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'--domains', 'reddit.com',
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'--span-hosts',
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'--waitretry', '30',
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'--warc-file', ItemInterpolation('%(item_dir)s/%(warc_file_base)s'),
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'--warc-header', 'operator: Archive Team',
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'--warc-header', 'reddit-dld-script-version: ' + VERSION,
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'--warc-header', ItemInterpolation('reddit-item: %(item_name)s')
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]
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item_name = item['item_name']
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item_type, item_value = item_name.split(':', 1)
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item['item_type'] = item_type
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item['item_value'] = item_value
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if item_type in ('posts'):
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start, end = item_value.split('-')
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for i in range(int(start), int(end)+1):
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post_id = self.int_to_str(i)
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wget_args.extend(['--warc-header', 'reddit-post: {}'.format(post_id)])
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wget_args.append('https://www.reddit.com/comments/{}'.format(post_id))
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wget_args.append('https://old.reddit.com/comments/{}'.format(post_id))
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else:
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raise Exception('Unknown item')
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if 'bind_address' in globals():
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wget_args.extend(['--bind-address', globals()['bind_address']])
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print('')
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print('*** Wget will bind address at {0} ***'.format(
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globals()['bind_address']))
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print('')
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return realize(wget_args, item)
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###########################################################################
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# Initialize the project.
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#
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# This will be shown in the warrior management panel. The logo should not
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# be too big. The deadline is optional.
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project = Project(
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title='reddit',
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project_html='''
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<img class="project-logo" alt="Project logo" src="https://www.archiveteam.org/images/b/b5/Reddit_logo.png" height="50px" title=""/>
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<h2>reddit.com <span class="links"><a href="https://reddit.com/">Website</a> · <a href="http://tracker.archiveteam.org/reddit/">Leaderboard</a></span></h2>
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<p>Archiving everything from reddit.</p>
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'''
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)
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pipeline = Pipeline(
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CheckIP(),
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GetItemFromTracker('http://%s/%s' % (TRACKER_HOST, TRACKER_ID), downloader,
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VERSION),
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PrepareDirectories(warc_prefix='reddit'),
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WgetDownload(
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WgetArgs(),
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max_tries=2,
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accept_on_exit_code=[0, 4, 8],
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env={
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'item_dir': ItemValue('item_dir'),
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'item_value': ItemValue('item_value'),
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'item_type': ItemValue('item_type'),
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'warc_file_base': ItemValue('warc_file_base')
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}
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),
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PrepareStatsForTracker(
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defaults={'downloader': downloader, 'version': VERSION},
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file_groups={
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'data': [
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ItemInterpolation('%(item_dir)s/%(warc_file_base)s.warc.gz')
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#ItemInterpolation('%(item_dir)s/%(warc_file_base)s-deduplicated.warc.gz')
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]
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},
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id_function=stats_id_function,
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),
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MoveFiles(),
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LimitConcurrent(NumberConfigValue(min=1, max=20, default='20',
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name='shared:rsync_threads', title='Rsync threads',
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description='The maximum number of concurrent uploads.'),
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UploadWithTracker(
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'http://%s/%s' % (TRACKER_HOST, TRACKER_ID),
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downloader=downloader,
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version=VERSION,
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files=[
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ItemInterpolation('%(data_dir)s/%(warc_file_base)s.warc.gz'),
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#ItemInterpolation('%(data_dir)s/%(warc_file_base)s-deduplicated.warc.gz'),
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ItemInterpolation('%(data_dir)s/%(warc_file_base)s_data.txt')
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],
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rsync_target_source_path=ItemInterpolation('%(data_dir)s/'),
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rsync_extra_args=[
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'--sockopts=SO_SNDBUF=8388608,SO_RCVBUF=8388608',
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'--recursive',
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'--partial',
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'--partial-dir', '.rsync-tmp',
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'--min-size', '1',
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'--no-compress',
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'--compress-level', '0'
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]
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),
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),
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SendDoneToTracker(
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tracker_url='http://%s/%s' % (TRACKER_HOST, TRACKER_ID),
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stats=ItemValue('stats')
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)
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)
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