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pipeline.py
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pipeline.py
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# encoding=utf8
import datetime
from distutils.version import StrictVersion
import hashlib
import os
import random
from seesaw.config import realize, NumberConfigValue
from seesaw.externalprocess import ExternalProcess
from seesaw.item import ItemInterpolation, ItemValue
from seesaw.task import SimpleTask, LimitConcurrent
from seesaw.tracker import GetItemFromTracker, PrepareStatsForTracker, \
UploadWithTracker, SendDoneToTracker
import shutil
import socket
import subprocess
import sys
import time
import string
import re
if sys.version_info[0] < 3:
from urllib import unquote
else:
from urllib.parse import unquote
import seesaw
from seesaw.externalprocess import WgetDownload
from seesaw.pipeline import Pipeline
from seesaw.project import Project
from seesaw.util import find_executable
from tornado import httpclient
import requests
import zstandard
if StrictVersion(seesaw.__version__) < StrictVersion('0.8.5'):
raise Exception('This pipeline needs seesaw version 0.8.5 or higher.')
###########################################################################
# Find a useful Wget+Lua executable.
#
# WGET_AT will be set to the first path that
# 1. does not crash with --version, and
# 2. prints the required version string
class HigherVersion:
def __init__(self, expression, min_version):
self._expression = re.compile(expression)
self._min_version = min_version
def search(self, text):
for result in self._expression.findall(text):
if result >= self._min_version:
print('Found version {}.'.format(result))
return True
WGET_AT = find_executable(
'Wget+AT',
HigherVersion(
r'(GNU Wget 1\.[0-9]{2}\.[0-9]{1}-at\.[0-9]{8}\.[0-9]{2})[^0-9a-zA-Z\.-_]',
'GNU Wget 1.21.3-at.20241119.01'
),
[
'./wget-at',
'/home/warrior/data/wget-at'
]
)
if not WGET_AT:
raise Exception('No usable Wget+At found.')
###########################################################################
# The version number of this pipeline definition.
#
# Update this each time you make a non-cosmetic change.
# It will be added to the WARC files and reported to the tracker.
VERSION = '20241121.03'
USER_AGENT = 'Mozilla/5.0 (X11; Linux i686; rv:124.0) Gecko/20100101 Firefox/124.0'
TRACKER_ID = 'mangaz'
TRACKER_HOST = 'legacy-api.arpa.li'
MULTI_ITEM_SIZE = 1
###########################################################################
# This section defines project-specific tasks.
#
# Simple tasks (tasks that do not need any concurrency) are based on the
# SimpleTask class and have a process(item) method that is called for
# each item.
class CheckIP(SimpleTask):
def __init__(self):
SimpleTask.__init__(self, 'CheckIP')
self._counter = 0
def process(self, item):
# NEW for 2014! Check if we are behind firewall/proxy
if self._counter <= 0:
item.log_output('Checking IP address.')
ip_set = set()
ip_set.add(socket.gethostbyname('twitter.com'))
#ip_set.add(socket.gethostbyname('facebook.com'))
ip_set.add(socket.gethostbyname('youtube.com'))
ip_set.add(socket.gethostbyname('microsoft.com'))
ip_set.add(socket.gethostbyname('icanhas.cheezburger.com'))
ip_set.add(socket.gethostbyname('archiveteam.org'))
if len(ip_set) != 5:
item.log_output('Got IP addresses: {0}'.format(ip_set))
item.log_output(
'Are you behind a firewall/proxy? That is a big no-no!')
raise Exception(
'Are you behind a firewall/proxy? That is a big no-no!')
# Check only occasionally
if self._counter <= 0:
self._counter = 10
else:
self._counter -= 1
class PrepareDirectories(SimpleTask):
def __init__(self, warc_prefix):
SimpleTask.__init__(self, 'PrepareDirectories')
self.warc_prefix = warc_prefix
def process(self, item):
item_name = item['item_name']
item_name_hash = hashlib.sha1(item_name.encode('utf8')).hexdigest()
escaped_item_name = item_name_hash
dirname = '/'.join((item['data_dir'], escaped_item_name))
if os.path.isdir(dirname):
shutil.rmtree(dirname)
os.makedirs(dirname)
item['item_dir'] = dirname
item['warc_file_base'] = '-'.join([
self.warc_prefix,
item_name_hash,
time.strftime('%Y%m%d-%H%M%S')
])
open('%(item_dir)s/%(warc_file_base)s.warc.zst' % item, 'w').close()
open('%(item_dir)s/%(warc_file_base)s_data.txt' % item, 'w').close()
class MoveFiles(SimpleTask):
def __init__(self):
SimpleTask.__init__(self, 'MoveFiles')
def process(self, item):
os.rename('%(item_dir)s/%(warc_file_base)s.warc.zst' % item,
'%(data_dir)s/%(warc_file_base)s.%(dict_project)s.%(dict_id)s.warc.zst' % item)
os.rename('%(item_dir)s/%(warc_file_base)s_data.txt' % item,
'%(data_dir)s/%(warc_file_base)s_data.txt' % item)
shutil.rmtree('%(item_dir)s' % item)
def normalize_string(s):
while True:
temp = unquote(s).strip().lower()
if temp == s:
break
s = temp
return s
class SetBadUrls(SimpleTask):
def __init__(self):
SimpleTask.__init__(self, 'SetBadUrls')
def process(self, item):
item['item_name_original'] = item['item_name']
items = item['item_name'].split('\0')
items_lower = [normalize_string(s) for s in items]
with open('%(item_dir)s/%(warc_file_base)s_bad-items.txt' % item, 'r') as f:
for s in {
normalize_string(s) for s in f
}:
index = items_lower.index(s)
item.log_output('Item {} is aborted.'.format(s))
items.pop(index)
items_lower.pop(index)
item['item_name'] = '\0'.join(items)
class MaybeSendDoneToTracker(SendDoneToTracker):
def enqueue(self, item):
if len(item['item_name']) == 0:
return self.complete_item(item)
return super(MaybeSendDoneToTracker, self).enqueue(item)
def get_hash(filename):
with open(filename, 'rb') as in_file:
return hashlib.sha1(in_file.read()).hexdigest()
CWD = os.getcwd()
PIPELINE_SHA1 = get_hash(os.path.join(CWD, 'pipeline.py'))
LUA_SHA1 = get_hash(os.path.join(CWD, 'mangaz.lua'))
def stats_id_function(item):
d = {
'pipeline_hash': PIPELINE_SHA1,
'lua_hash': LUA_SHA1,
'python_version': sys.version,
}
return d
class ZstdDict(object):
created = 0
data = None
@classmethod
def get_dict(cls):
if cls.data is not None and time.time() - cls.created < 1800:
return cls.data
response = requests.get(
'https://legacy-api.arpa.li/dictionary',
params={
'project': TRACKER_ID
}
)
response.raise_for_status()
response = response.json()
if cls.data is not None and response['id'] == cls.data['id']:
cls.created = time.time()
return cls.data
print('Downloading latest dictionary.')
response_dict = requests.get(response['url'])
response_dict.raise_for_status()
raw_data = response_dict.content
if hashlib.sha256(raw_data).hexdigest() != response['sha256']:
raise ValueError('Hash of downloaded dictionary does not match.')
if raw_data[:4] == b'\x28\xB5\x2F\xFD':
raw_data = zstandard.ZstdDecompressor().decompress(raw_data)
cls.data = {
'id': response['id'],
'dict': raw_data
}
cls.created = time.time()
return cls.data
class WgetArgs(object):
def realize(self, item):
wget_args = [
WGET_AT,
'-U', USER_AGENT,
'-nv',
'--no-cookies',
'--host-lookups', 'dns',
'--hosts-file', '/dev/null',
'--resolvconf-file', '/dev/null',
'--dns-servers', '9.9.9.10,149.112.112.10,2620:fe::10,2620:fe::fe:10',
'--reject-reserved-subnets',
#'--prefer-family', ('IPv4' if 'PREFER_IPV4' in os.environ else 'IPv6'),
'--content-on-error',
'--lua-script', 'mangaz.lua',
'-o', ItemInterpolation('%(item_dir)s/wget.log'),
'--no-check-certificate',
'--output-document', ItemInterpolation('%(item_dir)s/wget.tmp'),
'--truncate-output',
'-e', 'robots=off',
'--recursive', '--level=inf',
'--no-parent',
'--page-requisites',
'--timeout', '30',
'--connect-timeout', '1',
'--tries', 'inf',
'--domains', 'mangaz.com,j-comi.jp',
'--span-hosts',
'--waitretry', '30',
'--warc-file', ItemInterpolation('%(item_dir)s/%(warc_file_base)s'),
'--warc-header', 'operator: Archive Team',
'--warc-header', 'x-wget-at-project-version: ' + VERSION,
'--warc-header', 'x-wget-at-project-name: ' + TRACKER_ID,
'--warc-dedup-url-agnostic',
'--warc-compression-use-zstd',
'--warc-zstd-dict-no-include',
'--header', 'Cookie: MANGAZ[age]=Q2FrZQ%3D%3D.To0%3D'
]
dict_data = ZstdDict.get_dict()
with open(os.path.join(item['item_dir'], 'zstdict'), 'wb') as f:
f.write(dict_data['dict'])
item['dict_id'] = dict_data['id']
item['dict_project'] = TRACKER_ID
wget_args.extend([
'--warc-zstd-dict', ItemInterpolation('%(item_dir)s/zstdict'),
])
if '--concurrent' in sys.argv:
concurrency = int(sys.argv[sys.argv.index('--concurrent')+1])
else:
concurrency = os.getenv('CONCURRENT_ITEMS')
if concurrency is None:
concurrency = 2
item['concurrency'] = str(concurrency)
for item_name in item['item_name'].split('\0'):
wget_args.extend(['--warc-header', 'x-wget-at-project-item-name: '+item_name])
wget_args.append('item-name://'+item_name)
item_type, item_value = item_name.split(':', 1)
if item_type == 'book':
wget_args.extend(['--warc-header', 'mangaz-book: '+item_value])
wget_args.append('https://www.mangaz.com/book/detail/'+item_value)
elif item_type == 'series':
wget_args.extend(['--warc-header', 'mangaz-series: '+item_value])
wget_args.append('https://www.mangaz.com/series/detail/'+item_value)
elif item_type == 'author':
wget_args.extend(['--warc-header', 'mangaz-author: '+item_value])
wget_args.append('https://r18.mangaz.com/authors/detail/'+item_value)
elif item_type == 'index':
wget_args.extend(['--warc-header', 'mangaz-index-params: '+item_value])
wget_args.append('https://r18.mangaz.com/title/index?'+item_value)
elif item_type == 'info':
wget_args.extend(['--warc-header', 'mangaz-info: '+item_value])
wget_args.append('https://closing.mangaz.com/info/{}/index.html'.format(item_value))
else:
raise Exception('Unknown item')
item['item_name_newline'] = item['item_name'].replace('\0', '\n')
if 'bind_address' in globals():
wget_args.extend(['--bind-address', globals()['bind_address']])
print('')
print('*** Wget will bind address at {0} ***'.format(
globals()['bind_address']))
print('')
return realize(wget_args, item)
###########################################################################
# Initialize the project.
#
# This will be shown in the warrior management panel. The logo should not
# be too big. The deadline is optional.
project = Project(
title=TRACKER_ID,
project_html='''
<img class="project-logo" alt="Project logo" src="https://wiki.archiveteam.org/images/2/27/Mangaz-icon.png" height="50px" title=""/>
<h2>マンガ図書館Z <span class="links"><a href="https://www.mangaz.com/">Website</a> · <a href="http://tracker.archiveteam.org/mangaz/">Leaderboard</a> · <a href="https://wiki.archiveteam.org/index.php/マンガ図書館Z">Wiki</a></span></h2>
<p>Archiving マンガ図書館Z.</p>
'''
)
pipeline = Pipeline(
CheckIP(),
GetItemFromTracker('http://{}/{}/multi={}/'
.format(TRACKER_HOST, TRACKER_ID, MULTI_ITEM_SIZE),
downloader, VERSION),
PrepareDirectories(warc_prefix=TRACKER_ID),
WgetDownload(
WgetArgs(),
max_tries=1,
accept_on_exit_code=[0, 4, 8],
env={
'item_dir': ItemValue('item_dir'),
'item_names': ItemValue('item_name_newline'),
'warc_file_base': ItemValue('warc_file_base'),
'concurrency': ItemValue('concurrency')
}
),
SetBadUrls(),
PrepareStatsForTracker(
defaults={'downloader': downloader, 'version': VERSION},
file_groups={
'data': [
ItemInterpolation('%(item_dir)s/%(warc_file_base)s.warc.zst')
]
},
id_function=stats_id_function,
),
MoveFiles(),
LimitConcurrent(NumberConfigValue(min=1, max=20, default='20',
name='shared:rsync_threads', title='Rsync threads',
description='The maximum number of concurrent uploads.'),
UploadWithTracker(
'http://%s/%s' % (TRACKER_HOST, TRACKER_ID),
downloader=downloader,
version=VERSION,
files=[
ItemInterpolation('%(data_dir)s/%(warc_file_base)s.%(dict_project)s.%(dict_id)s.warc.zst'),
ItemInterpolation('%(data_dir)s/%(warc_file_base)s_data.txt')
],
rsync_target_source_path=ItemInterpolation('%(data_dir)s/'),
rsync_extra_args=[
'--recursive',
'--min-size', '1',
'--no-compress',
'--compress-level', '0'
]
),
),
MaybeSendDoneToTracker(
tracker_url='http://%s/%s' % (TRACKER_HOST, TRACKER_ID),
stats=ItemValue('stats')
)
)