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82 lines
2.8 KiB
Python
82 lines
2.8 KiB
Python
#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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# Copyright (C) 2011 WikiTeam
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# using a list of wikia subdomains, it downloads all dumps available in Special:Statistics pages
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# you can use the list available at the "listofwikis" directory, the file is called wikia.com and it contains +200k wikis
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import datetime
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import os
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import re
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import sys
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import urllib
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"""
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instructions:
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it requires a list of wikia wikis
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there is one in the repository (listofwikis directory)
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run it: python wikiadownloader.py
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it you want to resume: python wikiadownloader.py wikitostartfrom
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where wikitostartfrom is the last downloaded wiki in the previous session
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"""
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f = open('wikia.com', 'r')
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wikia = f.read().strip().split('\n')
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f.close()
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print len(wikia), 'wikis in Wikia'
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start = '!'
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if len(sys.argv) > 1:
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start = sys.argv[1]
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for wiki in wikia:
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prefix = wiki.split('http://')[1]
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if prefix < start:
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continue
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print wiki
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path = '%s/%s/%s' % (prefix[0], prefix[0:2], prefix)
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f = urllib.urlopen('%s/wiki/Special:Statistics' % (wiki))
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html = f.read()
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#print html
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f.close()
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m = re.compile(r'(?i)<a href="(?P<urldump>http://[^<>]+pages_(?P<dump>current|full)\.xml\.gz)">(?P<hour>\d\d:\d\d), (?P<month>[a-z]+) (?P<day>\d+), (?P<year>\d+)</a>').finditer(html)
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for i in m:
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urldump = i.group("urldump")
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dump = i.group("dump")
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print 'Downloading', wiki
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if not os.path.exists(path):
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os.makedirs(path)
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f = urllib.urlopen('%s/index.json' % ('/'.join(urldump.split('/')[:-1])))
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json = f.read()
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f.close()
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#{"name":"pages_full.xml.gz","timestamp":1273755409,"mwtimestamp":"20100513125649"}
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#{"name":"pages_current.xml.gz","timestamp":1270731925,"mwtimestamp":"20100408130525"}
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date = re.findall(r'{"name":"pages_%s.xml.gz","timestamp":\d+,"mwtimestamp":"(\d{8})\d{6}"}' % (dump.lower()), json)[0]
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print urldump, dump, date #, hour, month, day, year
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#-q, turn off verbose
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os.system('wget -q -c "%s" -O %s/%s-%s-pages-meta-%s.gz' % (urldump, path, prefix, date, dump.lower() == 'current' and 'current' or 'history'))
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