voting/vote/2000/vote-counter.py

254 lines
6.7 KiB
Python

#! /usr/bin/python
import re
import sys
import string
import md5
class Ballot:
def __init__ (self):
self.email = 0
self.member = 0
self.token = 0
self.votes = []
def add_vote (self, name, id):
self.votes.append ((name, id))
class Candidate:
def __init__ (self, name, id):
self.name = name
self.id = id
self.count = 0
self.voters = []
candidates = {}
candidate_tuples = [ \
("MARTIN BAULIG", 1), \
("CHEMA CELORIO", 2), \
("KENNETH CHRISTIANSEN", 3), \
("RHETT CREIGHTON", 4), \
("BART DECREM", 5), \
("MIGUEL DE ICAZA", 6), \
("CHRISTOPHER GABRIEL", 7), \
("JUANTOMAS GARCIA", 8), \
("JIM GETTYS", 9), \
("BERTRAND GUIHENEUF", 10), \
("THOMPSON HAYNER", 11), \
("JOHN HEARD", 12), \
("JAMES HENSTRIDGE", 13), \
("KEVIN KNERR", 14), \
("TUOMAS KUOSMANEN", 15), \
("GEORGE LEBL", 16), \
("ELLIOT LEE", 17), \
("RAPH LEVIEN", 18), \
("KJARTAN MARAAS", 19), \
("MICHAEL MEEKS", 20), \
("DAN MUETH", 21), \
("ESKIL HEYN OLSEN", 22), \
("HAVOC PENNINGTON", 23), \
("ETTORE PERAZZOLI", 24), \
("BRUCE PERENS", 25), \
("LESLIE PROCTOR", 26), \
("FEDERICO MENA QUINTERO", 27), \
("ARIEL RIOS", 28), \
("ARLO ROSE", 29), \
("JOE SHAW", 30), \
("MACIEJ STACHOWIAK", 31), \
("OWEN TAYLOR", 32), \
("DANIEL VEILLARD", 33) ]
for c in candidate_tuples:
cand = Candidate (c[0], c[1])
candidates[cand.id] = cand
from_line_re = re.compile ("^From: *(.*)")
member_address_re = re.compile (">? *Member Address: *([^ ]*)")
auth_token_re = re.compile (">? *Validation Token: *(.*)")
vote_re = re.compile (">? *([A-Z ]+) *\(ID# *([0-9]+)\)")
ballots = []
current_ballot = 0
filename = sys.argv[1] # mail archive file
secret_cookie = sys.argv[2] # secret cookie
voter_list = sys.argv[3] # list of valid voter addresses
# hash from valid addresses to whether they have sent in a ballot yet
valid_addresses = {}
voter_handle = open (voter_list)
for voter_addr in voter_handle.readlines ():
valid_addresses[string.strip (voter_addr)] = 0
handle = open (filename)
lines = handle.readlines ()
for line in lines:
match = from_line_re.match (line)
if match:
email = string.strip (match.group (1))
if current_ballot:
ballots.append (current_ballot)
current_ballot = Ballot ()
current_ballot.email = email
continue
match = member_address_re.match (line)
if match:
member = string.strip (match.group (1))
if (current_ballot.member):
print "Duplicate member address in ballot from '%s' - duplicates ''%s', '%s'" % (current_ballot.email, current_ballot.member, member)
else:
current_ballot.member = member
continue
match = auth_token_re.match (line)
if match:
token = string.strip (match.group (1))
if (current_ballot.token):
print "Duplicate auth token in ballot from '%s' - duplicates '%s', '%s'" % (current_ballot.email, current_ballot.token, token)
else:
current_ballot.token = token
continue
match = vote_re.match (line)
if match:
name = string.strip (match.group (1))
id = string.strip (match.group (2))
id = int(id)
if not candidates.has_key (id):
print "Unknown candidate '%s' ID %d in ballot from '%s'" % (name, id, current_ballot.email)
elif not candidates[id].name == name:
print "Candidate name '%s' for ID '%s' doesn't match, expected '%s'" % (name, id, candidates[id].name)
else:
current_ballot.add_vote (name, id)
continue
if current_ballot:
ballots.append (current_ballot)
handle.close ()
def contains_dups (b):
dups = {}
for v in b.votes:
id = v[1]
if dups.has_key (id):
return 1
dups[id] = 1
return 0
dup_tokens = {}
def md5_is_bad (b):
key = b.member + secret_cookie
m = md5.new (key)
digest = m.digest ()
# convert to hex, python 2.0 has hexdigest() but this one I'm using
# apparently does not
token = ""
for num in digest:
token = token + ("%02x" % (ord(num),))
if token == b.token:
if dup_tokens.has_key (token):
print "Auth token occurs twice, someone voted more than once"
return 1
else:
dup_tokens[token] = 1
return 0
else:
print "Bad auth token is %s hashed from '%s'" % (token, key)
return 1
def valid_voter (addr):
return valid_addresses.has_key (addr)
valid_ballots = {}
i = 0
for b in ballots:
error = 0
if not b.member:
error = "missing member address"
elif not b.token:
error = "missing auth token"
elif len (b.votes) > 11:
error = "too many votes (%d votes)" % len (b.votes)
elif len (b.votes) == 0:
error = "didn't list any candidates"
elif contains_dups (b):
error = "contains duplicate votes for the same candidate"
elif md5_is_bad (b):
error = "bad authentication token"
elif not valid_voter (b.member):
error = "ballot from someone not on the list of valid voters"
else:
if valid_ballots.has_key (b.token):
old = valid_ballots[b.token]
print "Overriding previous valid ballot %d from %s with new ballot %d" % (old[1], old[0].email, i)
valid_ballots[b.token] = (b, i)
if error:
print "Ignoring ballot %d from '%s' due to: %s" % (i, b.email, error)
i = i + 1
def tupcmp (a, b):
return cmp (a[1], b[1])
## Print results only after all errors have been printed, so
## we don't lose any errors.
valids = valid_ballots.values ()
valids.sort (tupcmp)
for (b, i) in valids:
print "Ballot %d:" % i
print " From: " + b.email
print " Member: " + b.member
print " Token: " + b.token
print " Voted for %d candidates:" % len (b.votes)
voted_for = []
valid_addresses[b.member] = 1
for v in b.votes:
id = v[1]
candidates[id].count = candidates[id].count + 1
candidates[id].voters.append (b.member)
voted_for.append (candidates[id].name)
for v in voted_for:
print " " + v
print "The following members did not vote:"
for addr in valid_addresses.keys ():
if not valid_addresses[addr]:
print addr
def cmpcand (a, b):
return cmp (a.count, b.count)
cand_list = candidates.values ()
cand_list.sort (cmpcand)
print ""
print ""
print "ELECTION RESULTS:"
print " %d of %d members cast a valid ballot" % (len (valids), len (valid_addresses.keys()))
for c in cand_list:
print " %s (%d votes)" % (c.name, c.count)