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votes.py
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votes.py
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from datetime import date
from collections import defaultdict
import logging
import flask
from flask.ext.script import Manager
from flask.ext.rq import job
from sqlalchemy import or_
from mptracker import models
logger = logging.getLogger(__name__)
logger.setLevel(logging.INFO)
votes_manager = Manager()
votes = flask.Blueprint('votes', __name__)
@votes.route('/votes/')
def index():
voting_sessions = (
models.VotingSession.query
.order_by(
models.VotingSession.date.desc(),
models.VotingSession.cdeppk.desc(),
))
return flask.render_template('votes/index.html', **{
'voting_sessions': iter(voting_sessions),
})
@votes.route('/votes/<uuid:voting_session_id>')
def detail(voting_session_id):
voting_session = models.VotingSession.query.get_or_404(voting_session_id)
votes = (
voting_session.votes
.join(models.Vote.mandate)
.join(models.Mandate.person)
.join(models.Mandate.county)
.join(models.Mandate.group_memberships)
.join(models.MpGroupMembership.mp_group)
.order_by(models.Person.name)
)
return flask.render_template('votes/detail.html', **{
'voting_session': voting_session,
'proposal': voting_session.proposal,
'votes': iter(votes),
})
@votes.route('/votes/controversy')
def controversy():
return flask.render_template('votes/controversy.html', **{
'controversy_list': models.Controversy.query.all(),
})
@job
def calculate_voting_session_loyalty(voting_session_id):
voting_session = models.VotingSession.query.get(voting_session_id)
# make sure we're in the right legislature
assert voting_session.date >= date(2012, 12, 19)
indep_group = models.MpGroup.query.filter_by(short_name='Indep.').first()
assert indep_group is not None
voter_query = (
models.db.session.query(
models.Vote,
models.MpGroup,
models.CabinetMembership,
)
.join(models.Vote.mandate)
.join(models.Mandate.group_memberships)
.join(models.MpGroupMembership.mp_group)
.filter(
models.MpGroupMembership.interval.contains(
voting_session.date,
),
)
.outerjoin(models.MpGroup.cabinet_memberships)
.filter(
or_(
models.CabinetMembership.interval == None,
models.CabinetMembership.interval.contains(
voting_session.date,
),
)
)
.filter(
models.Vote.voting_session == voting_session
)
)
vote_map = defaultdict(lambda: defaultdict(list))
for vote, group, cabinet_membership in voter_query:
vote_map[group.id][vote.choice].append(vote)
if cabinet_membership is not None:
vote_map['_cabinet'][vote.choice].append(vote)
group_vote_map = {
gv.mp_group_id: gv for gv in
models.GroupVote.query.filter_by(voting_session_id=voting_session.id)
}
def get_top_choice(votes_by_choice):
top = max(
(len(votes), choice)
for choice, votes
in votes_by_choice.items()
if choice != 'novote'
)
return top[1]
cabinet_top_choice = get_top_choice(vote_map.pop('_cabinet'))
voting_session.cabinet_choice = cabinet_top_choice
for mp_group_id, votes_by_choice in vote_map.items():
top_choice = get_top_choice(votes_by_choice)
group_vote = group_vote_map.get(mp_group_id)
if group_vote is None:
group_vote = models.GroupVote(
mp_group_id=mp_group_id,
voting_session=voting_session,
)
group_vote.choice = top_choice
group_vote.loyal_to_cabinet = bool(top_choice == cabinet_top_choice)
for choice, votes in votes_by_choice.items():
loyal = bool(choice == top_choice)
loyal_to_cabinet = bool(top_choice == cabinet_top_choice)
for vote in votes:
vote.loyal = loyal
vote.loyal_to_cabinet = loyal_to_cabinet
models.db.session.commit()
@votes_manager.command
def loyalty():
voting_session_query = (
models.VotingSession.query
.filter(models.VotingSession.subject != "Prezenţă")
.order_by(models.VotingSession.date)
)
job_count = 0
for voting_session in voting_session_query:
calculate_voting_session_loyalty.delay(voting_session.id)
job_count += 1
logger.info("Enqueued %d jobs", job_count)