mirror of
https://github.com/ArchiveTeam/reddit-grab
synced 2024-11-10 07:10:38 +00:00
295 lines
10 KiB
Python
295 lines
10 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.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 requests
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import re
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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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# 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"],
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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 = "20150620.02"
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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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dirname = "/".join((item["data_dir"], escaped_item_name))
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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, escaped_item_name,
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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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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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# NEW for 2014! Check if wget was compiled with zlib support
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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.warc.gz" % item,
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"%(data_dir)s/%(warc_file_base)s.warc.gz" % 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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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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"-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,redditmedia.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-user: %(item_name)s"),
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]
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item_name = item['item_name']
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assert ':' in 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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assert item_type in ('36comments')
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if item_type == '36comments':
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suffixes = string.digits + string.ascii_lowercase
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for url in ['http://redd.it/{0}{1}'.format(item_value, a) for a in suffixes]:
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wget_args.append(url)
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# for suffix in suffixes:
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# commenturl = 'https://www.reddit.com/comments/{0}{1}/'.format(item_value, suffix)
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# html = requests.get(commenturl, headers={'User-Agent': 'ArchiveTeam'})
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# print('Downloaded', html.status_code, getattr(html, 'reason'))
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# sys.stdout.flush()
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# if html.status_code == 200:
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# if not html.text:
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# raise Exception('Something went wrong during the download. ({0})'.format(html.status_code))
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# else:
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# for origurl in re.findall(r'href="(https?:\/\/www\.reddit\.com\/r\/[^/]+\/comments\/{0}{1}\/[^"]+)"'.format(item_value, suffix), html.text):
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# if (re.search(r'https?:\/\/www\.reddit\.com\/r\/[^/]+\/comments\/[^/]+\/[^/]+\/', origurl) or re.search(r'https?:\/\/www\.reddit\.com\/r\/[^/]+\/comments\/[^/]+\/', origurl)) and not re.search(r'https?:\/\/www\.reddit\.com\/r\/[^/]+\/comments\/[^/]+\/[^/]+\/.', origurl):
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# wget_args.append(origurl)
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# elif html.status_code == 404:
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# print('This url is 404.')
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# else:
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# raise Exception('Something went wrong during the download. ({0})'.format(html.status_code))
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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="http://archiveteam.org/images/thumb/b/b5/Reddit_logo.png/320px-Reddit_logo.png" height="50px" title=""/>
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<h2>www.reddit.com <span class="links"><a href="https://www.reddit.com/">Website</a> · <a href="http://tracker.archiveteam.org/reddit/">Leaderboard</a></span></h2>
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<p>Grabbing 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, 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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}
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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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]
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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=4, default="1",
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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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],
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rsync_target_source_path=ItemInterpolation("%(data_dir)s/"),
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rsync_extra_args=[
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"--recursive",
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"--partial",
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"--partial-dir", ".rsync-tmp",
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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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