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daily-analysis.py
executable file
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daily-analysis.py
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#!/usr/bin/env python2
import sys, bz2, time, gzip, os, urllib, re, bitarray
# This scripts creates the knowledge base and collects a few numbers by going through
# all dailies up to and the latest available dump. This usually runs a few hours.
before = '' # put here '2013-05-01T00:00:00Z' in order to check the state at end of april
def log(txt) :
print txt
log('Calculating Wikidata stats')
start_time = time.time()
# read the list of bots
log('Loading list of bots')
bots = []
botsjson = urllib.urlopen('http://www.wikidata.org/w/api.php?action=query&list=allusers&augroup=bot&aulimit=500&format=json').read()
botsjson = eval(botsjson)
for bot in botsjson['query']['allusers'] :
bots.append(bot['name'])
log('List of bots: ' + str(bots))
linecount = 0
charactercount = 0
# Items
itemcount = 0
itemswithclaims = 0
claimcount = 0
claimsperitem = {}
claimswithrefs = 0
refs = 0
itemswithrefs = 0
labelcount = 0
descriptioncount = 0
sitelinkcount = 0
itemrevisioncount = 0
botrevisioncount = 0
revisionsperitem = {}
titleofmostclaims = ''
langlabels = {}
langdescriptions = {}
langsitelinks = {}
# Properties
propertycount = 0
propertylabelcount = 0
propertydescriptioncount = 0
# General
pagecount = 0
revisioncount = 0
processeditems = bitarray.bitarray(2**26) # about 30 M items
processeditems.setall(0)
processedrevisions = bitarray.bitarray(2**28) # about 250 M revisions
processedrevisions.setall(0)
processedproperties = bitarray.bitarray(2**10) # about 1 K properties
processedproperties.setall(0)
boteditsperdate = {}
humaneditsperdate = {}
users = set()
# if there is no data directory, create one
if not os.path.exists('data') :
os.makedirs('data')
os.chdir('data')
# download the dumps directory file and figure out the date of the latest dump
log('Checking for the date of the last dump')
latestdump = '20121026'
for line in urllib.urlopen('http://dumps.wikimedia.org/wikidatawiki/') :
if not line.startswith('<tr><td class="n">') : continue
date = line[27:35]
if not re.match('\d\d\d\d\d\d\d\d', date) : continue
log("Checking dump of " + date)
# check if dump is finished
finished = False
for md5 in urllib.urlopen('http://dumps.wikimedia.org/wikidatawiki/' + date + '/wikidatawiki-' + date + '-md5sums.txt') :
if md5.endswith('-pages-meta-history.xml.bz2' + "\n") :
finished = True
if finished :
latestdump = date
log('Latest dump has been on ' + latestdump)
#latestdump = '20130417'
# download the latest stats if needed
if not os.path.exists('dump' + latestdump) :
os.makedirs('dump' + latestdump)
os.chdir('dump' + latestdump)
if not os.path.exists('site_stats.sql.gz') :
log('Downloading stats of the latest dump')
urllib.urlretrieve('http://dumps.wikimedia.org/wikidatawiki/' + latestdump + '/wikidatawiki-' + latestdump + '-site_stats.sql.gz', 'site_stats.sql.gz')
# download the latest dump if needed
if not os.path.exists('pages-meta-history.xml.bz2') :
log('Downloading latest dump')
urllib.urlretrieve('http://dumps.wikimedia.org/wikidatawiki/' + latestdump + '/wikidatawiki-' + latestdump + '-pages-meta-history.xml.bz2', 'pages-meta-history.xml.bz2') #xxx
# get the maxrevid of the latest dump
maxrevid = 0
for line in gzip.open('site_stats.sql.gz'):
if not line.startswith('INSERT INTO') : continue
stats = eval(line[32:-2])
maxrevid = int(stats[2])
log('maxrevid of the latest dump: ' + str(maxrevid))
os.chdir('..')
# check the dailies
dailies = []
for line in urllib.urlopen('http://dumps.wikimedia.org/other/incr/wikidatawiki/') :
if not line.startswith('<tr><td class="n">') : continue
date = line[27:35]
if not re.match('\d\d\d\d\d\d\d\d', date) : continue
dailies.append(date)
# download the dailies in reversed order until the daily maxrevid is smaller than our maxrevid
stopdaily = '20121026'
lastdaily = 0
for daily in reversed(dailies) :
log('Checking daily of ' + daily)
if not os.path.exists('daily' + daily) :
os.makedirs('daily' + daily)
os.chdir('daily' + daily)
if not os.path.exists('maxrevid.txt') :
urllib.urlretrieve('http://dumps.wikimedia.org/other/incr/wikidatawiki/' + daily + '/maxrevid.txt', 'maxrevid.txt')
dailymaxrevid = int(open('maxrevid.txt').read())
if dailymaxrevid < maxrevid :
log('Daily ' + daily + ' is within latest dump')
stopdaily = daily
os.chdir('..')
break
if not os.path.exists('pages-meta-hist-incr.xml.bz2') :
log('Downloading daily ' + daily)
if urllib.urlopen('http://dumps.wikimedia.org/other/incr/wikidatawiki/' + daily + '/status.txt').read() == 'done' :
urllib.urlretrieve('http://dumps.wikimedia.org/other/incr/wikidatawiki/' + daily + '/wikidatawiki-' + daily + '-pages-meta-hist-incr.xml.bz2', 'pages-meta-hist-incr.xml.bz2') #xxx
log('Done downloading daily ' + daily)
else :
log('Daily not done yet - download aborted')
os.chdir('..')
def snaktotext(snak) :
if snak[0] == 'value' :
if snak[2] == 'wikibase-entityid' :
return 'P' + str(snak[1]) + ' Q' + str(snak[3]['numeric-id'])
elif snak[2] == 'string' :
return 'P' + str(snak[1]) + ' {' + snak[3] + '}'
elif snak[2] == 'time' :
return 'P' + str(snak[1]) + ' ' + str(snak[3])
else :
log(snak)
exit()
elif snak[0] == 'somevalue' :
return 'P' + str(snak[1]) + ' +'
elif snak[0] == 'novalue' :
return 'P' + str(snak[1]) + ' -'
else :
log(snak)
exit()
def processfile(file) :
global linecount
global charactercount
# Items
global itemcount
global itemswithclaims
global claimcount
global claimsperitem
global claimswithrefs
global refs
global itemswithrefs
global mostclaims
global labelcount
global descriptioncount
global sitelinkcount
global itemrevisioncount
global botrevisioncount
global titleofmostclaims
global langlabels
global langdescriptions
global langsitelinks
# Properties
global propertycount
global propertylabelcount
global propertydescriptioncount
# Filter
global before
# General
global revisioncount
global boteditsperdate
global humaneditsperdate
global users
# local variables
title = ''
item = False
property = False
newrev = False
newtitle = False
val = {}
revid = 0
for line in file :
linecount += 1
charactercount += len(line)
if linecount % 1000000 == 0 : log(str(linecount / 1000000))
# starts a new page
if line == ' <page>\n' :
title = ''
item = False
property = False
newrev = False
newtitle = False
val = {}
content = ''
revid = 0
if line == ' <revision>\n' :
revid = 0
# title
if line.startswith(' <title>') :
title = line[11:-9]
item = title.startswith('Q')
property = title.startswith('Property:P')
if item and not processeditems[int(title[1:])] :
newtitle = True
processeditems[int(title[1:])] = True
if property and not processedproperties[int(title[10:])] :
newtitle = True
processedproperties[int(title[10:])] = True
title = title[9:]
if line.startswith(' <id>') : # ids of pages have less spaces
revid = line[10:-6]
if not processedrevisions[int(revid)] :
newrev = True
else :
#log(revid + ' was a double revision')
pass
# finished a page
if line == ' </revision>\n' :
if not newtitle : continue
if before != '' and timestamp > before : continue
if content == '' : continue
processedrevisions[int(revid)] = True
newtitle = False
if item or property :
content = content.replace('"', '"')
val = eval(content)
if 'label' in val and len(val['label']) > 0 :
for lang in val['label'].keys() :
kb.write(title + ' label {' + lang + ':' + val['label'][lang] + "} .\n")
if 'description' in val and len(val['description']) > 0 :
for lang in val['description'].keys() :
kb.write(title + ' description {' + lang + ':' + val['description'][lang] + "} .\n")
if 'links' in val and len(val['links']) > 0 :
for lang in val['links'].keys() :
kb.write(title + ' link {' + lang + ':' + val['links'][lang] + "} .\n")
if 'aliases' in val and len(val['aliases']) > 0 :
for lang in val['aliases'].keys() :
for alias in val['aliases'][lang] :
kb.write(title + ' alias {' + lang + ':' + alias + "} .\n")
if item :
itemcount += 1
if 'links' in val and len(val['links']) > 0 :
sitelinkcount += len(val['links'])
for lang in val['links'].keys() :
if lang not in langsitelinks :
langsitelinks[lang] = 0
langsitelinks[lang] += 1
if 'label' in val and len(val['label']) > 0 :
labelcount += len(val['label'])
for lang in val['label'].keys() :
if lang not in langlabels :
langlabels[lang] = 0
langlabels[lang] += 1
if 'description' in val and len(val['description']) > 0 :
descriptioncount += len(val['description'])
for lang in val['description'].keys() :
if lang not in langdescriptions :
langdescriptions[lang] = 0
langdescriptions[lang] += 1
if 'claims' in val and len(val['claims']) > 0 :
hasrefs = False
for claim in val['claims'] :
if len(claim['refs']) > 0 :
refs += len(claim['refs'])
claimswithrefs += 1
hasrefs = True
if hasrefs : itemswithrefs += 1
itemswithclaims += 1
claimcount += len(val['claims'])
numberofclaims = len(val['claims'])
if not numberofclaims in claimsperitem :
claimsperitem[numberofclaims] = 0
if max(claimsperitem) <= numberofclaims :
titleofmostclaims = title
claimsperitem[numberofclaims] += 1
if 'claims' in val and len(val['claims']) > 0 :
for claim in val['claims'] :
quals = ''
if (len(claim['q']) + len(claim['refs'])) > 0 :
if (len(claim['q']) > 0) :
for q in claim['q'] :
quals += ' ' + snaktotext(q) + " ,\n"
if (len(claim['refs']) > 0) :
for ref in claim['refs'] :
quals += " reference {\n"
for r in ref :
quals += ' ' + snaktotext(r) + " ,\n"
quals += " },\n"
quals = " (\n" + quals + ' )'
snak = snaktotext(claim['m'])
kb.write(title + ' ' + snak + quals + " .\n")
if property :
propertycount += 1
propertylabelcount += len(val['label'])
propertydescriptioncount += len(val['description'])
kb.write(title + ' type ' + val['datatype'] + " .\n")
if not newrev : continue
revisioncount += 1
if item:
itemrevisioncount += 1
if line.startswith(' <username>') : # TODO does not catch IPs
if not newrev : continue
username = line[18:-12]
users.add(username)
if username in bots:
botrevisioncount += 1
if timestamp not in boteditsperdate :
boteditsperdate[timestamp] = 0
boteditsperdate[timestamp] += 1
else :
if timestamp not in humaneditsperdate :
humaneditsperdate[timestamp] = 0
humaneditsperdate[timestamp] += 1
if line.startswith(' <timestamp>') :
timestamp = line[17:-23]
# checks for anomalies
if line.startswith(' <text xml:space="preserve">') :
if item or property :
if not line.endswith('</text>\n') :
log(line)
else :
content = line[33:-8]
#if linecount >= 1000000 : break #xxx
kb = open('kb.txt', 'w')
# process the dailies, starting with the newest
files = 0
for daily in reversed(dailies) :
if daily == stopdaily : break
log('Analysing daily ' + daily)
os.chdir('daily' + daily)
if not os.path.exists('pages-meta-hist-incr.xml.bz2') :
log('No data available')
os.chdir('..')
continue
file = bz2.BZ2File('pages-meta-hist-incr.xml.bz2')
if lastdaily == 0 :
lastdaily = daily
kb.write('# ' + daily + "\n")
processfile(file)
os.chdir('..')
# process the dump
log('Analysing dump ' + str(latestdump))
os.chdir('dump' + latestdump)
file = bz2.BZ2File('pages-meta-history.xml.bz2')
processfile(file)
os.chdir('..')
kb.close()
os.chdir('..')
# if there is no results directory, create one
if not os.path.exists('results') :
os.makedirs('results')
output = open('results/daily.html', 'w')
output.write('<!doctype html>' + "\n")
output.write('<html>' + "\n")
output.write(' <head>' + "\n")
output.write(' <meta charset="utf-8">' + "\n")
output.write(' <title>Analysis results</title>' + "\n")
output.write(' <link rel="stylesheet" href="analysis.css" />' + "\n")
output.write(' </head>' + "\n")
output.write(' <body>' + "\n")
output.write(' <h1>Analysis results on the Wikidata dump</h1>' + "\n")
output.write(' <p>' + "\n")
output.write(' As of: ' + str(lastdaily) + '<br>' + "\n")
output.write(' Items: ' + str(itemcount) + '<br>' + "\n")
output.write(' Items with claims: ' + str(itemswithclaims) + '<br>' + "\n")
output.write(' Claims: ' + str(claimcount) + '<br>' + "\n")
output.write(' Claims per item: ' + str(claimsperitem) + '<br>' + "\n")
output.write(' References: ' + str(refs) + '<br>' + "\n")
output.write(' Claims with references: ' + str(claimswithrefs) + '<br>' + "\n")
output.write(' Items with references: ' + str(itemswithrefs) + '<br>' + "\n")
output.write(' Item with most claims: ' + titleofmostclaims + '<br>' + "\n")
output.write(' Properties: ' + str(propertycount) + '<br>' + "\n")
output.write(' Links: ' + str(sitelinkcount) + '<br>' + "\n")
output.write(' Links per language: ' + str(langsitelinks) + '<br>' + "\n")
output.write(' Labels: ' + str(labelcount) + '<br>' + "\n")
output.write(' Labels per language: ' + str(langlabels) + '<br>' + "\n")
output.write(' Labels of properties: ' + str(propertylabelcount) + '<br>' + "\n")
output.write(' Descriptions: ' + str(descriptioncount) + '<br>' + "\n")
output.write(' Descriptions per language: ' + str(langdescriptions) + '<br>' + "\n")
output.write(' Descriptions of properties: ' + str(propertydescriptioncount) + '<br>' + "\n")
output.write(' Revisions: ' + str(revisioncount) + '<br>' + "\n")
output.write(' Item revisions: ' + str(itemrevisioncount) + '<br>' + "\n")
output.write(' Bot revisions: ' + str(botrevisioncount) + '<br>' + "\n")
output.write(' Bot edits per date: ' + str(boteditsperdate) + '<br>' + "\n")
output.write(' Human edits per date: ' + str(humaneditsperdate) + '<br>' + "\n")
output.write(' Number of different users: ' + str(len(users)) + '<br>' + "\n")
output.write(' Lines: ' + str(linecount) + '<br>' + "\n")
output.write(' Characters: ' + str(charactercount) + '<br>' + "\n")
output.write(' Time: ' + str(time.time() - start_time) + ' seconds<br>' + "\n")
output.write(' </p>' + "\n")
output.write(' </body>' + "\n")
output.write('</html>' + "\n")
output.close()
log('Done.')