Statistics on blocked IPs in a MediaWiki

gistfile1.py

from pylab import *
from urllib2 import urlopen
from simplejson import load
from re import findall

url = 'http://neuro.imm.dtu.dk/w/api.php?' + \
      'action=query&list=blocks&' + \
      'bkprop=id|user|by|timestamp|expiry|reason|range|flags&' + \
      'bklimit=500&format=json'
data = load(urlopen(url))
users = [ block['user'] for block in data['query']['blocks'] if 'user'
in block ]
ip_users = filter(lambda s: findall(r'^\d+', s), users)
ip = map(lambda s : int(findall(r'\d+', s)[0]), ip_users)
dummy = hist(ip, arange(256), orientation='horizontal')
xlabel('Number of blocks'); ylabel('First byte of IP'); 
show()