User:Rspeer/Wikipolitical Compass/Code
This code generates the Wikipolitical Compass. It requires Pylab and Pywikipedia. I apologize for the code being a bit spaghetti. To generate the results, run these three scripts in order.
rfa.py
from wikipedia import *
from numpy import *
import re, pickle
def rfa_votes(candidate, voters):
page = Page(getSite(), 'Wikipedia:Requests for adminship/%s' % candidate)
try:
text = page.get()
except:
return {}
value = 0
votes = {}
for line in text.split('\n'):
line = line.strip()
if line == "'''Support'''": value = 1
elif line == "'''Oppose'''": value = -1
elif line == "'''Neutral'''": break
elif value and line.startswith('#'):
if re.match(r"^#\s*[A-Za-z']", line):
matches = re.findall(r'\[\[User:([^/\]\|]*?)\|', line)
if matches:
user = matches[-1]
votes[user] = value
voters[user] = voters.get(user, 0) + 1
return votes
def extract_failed():
people = []
for char in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ':
page = Page(getSite(), 'Wikipedia:Unsuccessful_adminship_candidacies/%s' % char)
text = page.get()
got = re.findall(r'\[\[Wikipedia:Requests for adminship/(.*?)\|.*?2007 - [cnwrf]', text)
print got
people += got
return people
def extract_success():
page = Page(getSite(), 'Wikipedia:Successful adminship candidacies')
text = page.get()
recent = text.split('===April 2007===')[1]
recent = recent.split('===December 2006===')[0]
people = re.findall(r'\[\[Wikipedia:Requests for adminship/(.*?)\|', recent)
# add candidacies that aren't archived yet
people += [u'Bibliomaniac15', u'Selket', u'Matt Britt 2', u'Prolog',
u'Croat Canuck 2', u'TwinsMetsFan', u'Stephen', u'The Rambling Man',
u'AGK', u'Sr13']
return people
def extract_admins():
page = Page(getSite(), 'Wikipedia:List of administrators')
text = page.get()
people = re.findall(r'\{\{admin\|(.*?)\}\}', text)
return people
def main():
candidates = extract_failed() + extract_success()
candidates.sort()
voters = {}
votechart = {}
ordered_candidates = []
for cand in candidates:
votes = rfa_votes(cand, voters)
if len(votes.keys()) >= 5:
print votes
votechart[cand] = votes
ordered_candidates.append(cand)
ordered_voters = [v for v in voters.keys() if voters[v] >= 5]
ordered_voters.sort()
n = len(ordered_candidates)
m = len(ordered_voters)
grid = mat(zeros((m, n)))
for j in range(n):
chart = votechart[ordered_candidates[j]]
for i in range(m):
grid[i,j] = chart.get(ordered_voters[i], 0)
print ordered_voters
print ordered_candidates
print grid
outf = open('chart.pickle', 'w')
pickle.dump((ordered_voters, ordered_candidates, grid), outf)
outf.close()
if __name__ == '__main__':
try:
main()
finally:
stopme()
plot_voters.py
from pylab import *
from numpy import *
import pickle
import rfa
from matplotlib.ticker import MultipleLocator
voters, candidates, data = pickle.load(open('chart.pickle'))
u, s, vt = linalg.svd(data)
admins = [a.lower() for a in rfa.extract_admins()]
print s
for row in range(len(data)):
u[row] = u[row] / sum(abs(data[row]))
xaxis = asarray(u)[:,0]
yaxis = asarray(u)[:,2]
xaxis_admin = []
xaxis_nonadmin = []
yaxis_admin = []
yaxis_nonadmin = []
xaxis = xaxis * 10 / max(abs(xaxis))
yaxis = yaxis * 10 / max(abs(yaxis))
figure(1, figsize=(24, 36), dpi=150)
ax = subplot(111)
grid(True)
for c in range(len(voters)):
print '%s (%2.2f, %2.2f)' % (voters[c].encode('utf-8'), xaxis[c], yaxis[c])
text(xaxis[c], yaxis[c], voters[c])
if voters[c].lower() in admins:
xaxis_admin.append(xaxis[c])
yaxis_admin.append(yaxis[c])
else:
xaxis_nonadmin.append(xaxis[c])
yaxis_nonadmin.append(yaxis[c])
plot(xaxis_admin, yaxis_admin, 'ro')
plot(xaxis_nonadmin, yaxis_nonadmin, 'bo')
ax.yaxis.set_major_locator(MultipleLocator(2))
savefig('voters.png')
rfa.stopme()
plot_candidates.py
from pylab import *
from numpy import *
import pickle
import rfa
voters, candidates, data = pickle.load(open('chart.pickle'))
u, s, vt = linalg.svd(data)
successes = rfa.extract_success()
for col in range(len(candidates)):
vt[:,col] = vt[:,col] / sum(abs(data[:,col]))
xaxis = asarray(vt)[0,:]
yaxis = asarray(vt)[2,:]
xaxis_admin = []
xaxis_nonadmin = []
yaxis_admin = []
yaxis_nonadmin = []
xaxis = xaxis * 10 / max(abs(xaxis))
yaxis = yaxis * 10 / max(abs(yaxis))
figure(1, figsize=(18, 18), dpi=150)
grid(True)
for c in range(len(candidates)):
print '%s (%2.2f, %2.2f)' % (candidates[c].encode('utf-8'), xaxis[c], yaxis[c])
text(xaxis[c], yaxis[c], candidates[c])
if candidates[c] in successes:
xaxis_admin.append(xaxis[c])
yaxis_admin.append(yaxis[c])
else:
xaxis_nonadmin.append(xaxis[c])
yaxis_nonadmin.append(yaxis[c])
plot(xaxis_admin, yaxis_admin, 'go')
plot(xaxis_nonadmin, yaxis_nonadmin, 'yo')
savefig('candidates.png')
rfa.stopme()
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