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389 lines
13 KiB
Python
389 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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import re
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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 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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import requests
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import zstandard
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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_AT 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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class HigherVersion:
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def __init__(self, expression, min_version):
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self._expression = re.compile(expression)
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self._min_version = min_version
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def search(self, text):
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for result in self._expression.findall(text):
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if result >= self._min_version:
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print('Found version {}.'.format(result))
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return True
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WGET_AT = find_executable(
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'Wget+AT',
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HigherVersion(
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r'(GNU Wget 1\.[0-9]{2}\.[0-9]{1}-at\.[0-9]{8}\.[0-9]{2})[^0-9a-zA-Z\.-_]',
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'GNU Wget 1.21.3-at.20231213.03'
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),
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[
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'./wget-at',
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'/home/warrior/data/wget-at-gnutls'
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]
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)
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if not WGET_AT:
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raise Exception('No usable Wget+At 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 = '20240216.01'
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TRACKER_ID = 'reddit'
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TRACKER_HOST = 'legacy-api.arpa.li'
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MULTI_ITEM_SIZE = 100
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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) != 5:
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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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item_name_hash = hashlib.sha1(item_name.encode('utf8')).hexdigest()
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escaped_item_name = item_name_hash
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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'] = '-'.join([
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self.warc_prefix,
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item_name_hash,
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time.strftime('%Y%m%d-%H%M%S')
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])
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open('%(item_dir)s/%(warc_file_base)s.warc.zst' % 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 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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os.rename('%(item_dir)s/%(warc_file_base)s.warc.zst' % item,
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'%(data_dir)s/%(warc_file_base)s.%(dict_project)s.%(dict_id)s.warc.zst' % 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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class SetBadUrls(SimpleTask):
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def __init__(self):
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SimpleTask.__init__(self, 'SetBadUrls')
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def process(self, item):
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item['item_name_original'] = item['item_name']
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items = item['item_name'].split('\0')
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items_lower = [s.lower() for s in items]
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with open('%(item_dir)s/%(warc_file_base)s_bad-items.txt' % item, 'r') as f:
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for aborted_item in f:
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aborted_item = aborted_item.strip().lower()
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index = items_lower.index(aborted_item)
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item.log_output('Item {} is aborted.'.format(aborted_item))
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items.pop(index)
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items_lower.pop(index)
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item['item_name'] = '\0'.join(items)
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class MaybeSendDoneToTracker(SendDoneToTracker):
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def enqueue(self, item):
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if len(item['item_name']) == 0:
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return self.complete_item(item)
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return super(MaybeSendDoneToTracker, self).enqueue(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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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 ZstdDict(object):
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created = 0
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data = None
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@classmethod
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def get_dict(cls):
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if cls.data is not None and time.time() - cls.created < 1800:
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return cls.data
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response = requests.get(
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'https://legacy-api.arpa.li/dictionary',
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params={
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'project': 'reddit'
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}
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)
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response.raise_for_status()
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response = response.json()
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if cls.data is not None and response['id'] == cls.data['id']:
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cls.created = time.time()
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return cls.data
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print('Downloading latest dictionary.')
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response_dict = requests.get(response['url'])
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response_dict.raise_for_status()
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raw_data = response_dict.content
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if hashlib.sha256(raw_data).hexdigest() != response['sha256']:
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raise ValueError('Hash of downloaded dictionary does not match.')
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if raw_data[:4] == b'\x28\xB5\x2F\xFD':
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raw_data = zstandard.ZstdDecompressor().decompress(raw_data)
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cls.data = {
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'id': response['id'],
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'dict': raw_data
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}
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cls.created = time.time()
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return cls.data
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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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with open('user-agents', 'r') as f:
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user_agent = random.choice(list(f)).strip()
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wget_args = [
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WGET_AT,
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'-U', user_agent,
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'-nv',
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'--host-lookups', 'dns',
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'--hosts-file', '/dev/null',
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'--resolvconf-file', '/dev/null',
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'--dns-servers', '9.9.9.10,149.112.112.10,2620:fe::10,2620:fe::fe:10',
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'--reject-reserved-subnets',
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'--load-cookies', 'cookies.txt',
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'--content-on-error',
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'--no-http-keep-alive',
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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',
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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', 'x-wget-at-project-version: ' + VERSION,
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'--warc-header', 'x-wget-at-project-name: ' + TRACKER_ID,
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'--warc-dedup-url-agnostic',
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'--warc-compression-use-zstd',
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'--warc-zstd-dict-no-include',
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'--header', 'Accept-Language: en-US;q=0.9, en;q=0.8',
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'--secure-protocol', 'TLSv1_2',
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#'--ciphers', '+ECDHE-RSA:+AES-256-CBC:+SHA384'
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]
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dict_data = ZstdDict.get_dict()
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with open(os.path.join(item['item_dir'], 'zstdict'), 'wb') as f:
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f.write(dict_data['dict'])
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item['dict_id'] = dict_data['id']
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item['dict_project'] = 'reddit'
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wget_args.extend([
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'--warc-zstd-dict', ItemInterpolation('%(item_dir)s/zstdict'),
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])
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for item_name in item['item_name'].split('\0'):
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wget_args.extend(['--warc-header', 'x-wget-at-project-item-name: '+item_name])
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wget_args.append('item-name://'+item_name)
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item_type, item_value = item_name.split(':', 1)
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if item_type == 'post':
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wget_args.extend(['--warc-header', 'reddit-post: '+item_value])
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wget_args.append('https://www.reddit.com/api/info.json?id=t3_'+item_value)
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elif item_type == 'comment':
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wget_args.extend(['--warc-header', 'reddit-comment: '+item_value])
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wget_args.append('https://www.reddit.com/api/info.json?id=t1_'+item_value)
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elif item_type == 'url':
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wget_args.extend(['--warc-header', 'reddit-media-url: '+item_value])
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wget_args.append(item_value)
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else:
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raise Exception('Unknown item')
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item['item_name_newline'] = item['item_name'].replace('\0', '\n')
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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://{}/{}/multi={}/'
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.format(TRACKER_HOST, TRACKER_ID, MULTI_ITEM_SIZE),
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downloader, 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_names': ItemValue('item_name_newline'),
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'warc_file_base': ItemValue('warc_file_base'),
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}
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),
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SetBadUrls(),
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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.zst')
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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.%(dict_project)s.%(dict_id)s.warc.zst'),
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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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'--recursive',
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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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MaybeSendDoneToTracker(
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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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