def results_total_xls(request):
"""Downloads the combined results from all districts as an Excel
spreadsheet with different districts in different sheets."""
sheets = []
session = DBSession()
districts = session.query(District).order_by(District.code)
for district in districts:
if district.code == 0:
continue
title = u'{0} ({1} kansanedustajapaikka'.format(district.name, district.quota)
title += ')' if district.quota == 1 else 'a)'
rows = [
(title, u'', u'', u'', u''),
(u'', u'', u'', u'', u''),
(u'Valitut ehdokkaat', u'', u'', u'', u''),
(u'Numero', u'Nimi', u'Puolue', u'Äänimäärä', u'Vertailuluku'),
]
for i, record in enumerate(dhont_selection(district)):
# Add a separator between the selected and other candidates.
if i == district.quota:
rows.append((u'', u'', u'', u'', u''))
rows.append((u'Valitsematta jääneet ehdokkaat', u'', u'', u'', u''))
rows.append((u'Numero', u'Nimi', u'Puolue', u'Äänimäärä', u'Vertailuluku'))
candidate = record['candidate']
rows.append((candidate.number,
candidate.fullname(),
candidate.party.name,
record['absolute_votes'],
record['proportional_votes']))
sheets.append((district.name, rows))
request.add_response_callback(disable_caching_explorer)
return xls_response_multiple(sheets,
filename='nuorisovaalit2011-valtakunnalliset-tulokset.xls',
num_formats=(None, '@', '@', None, None),
col_widths=(None, 8000, 14000, 3000, 3000))
def results_xls(request):
"""Downloads the district specific combined results as an Excel sheet.
"""
user = authenticated_user(request)
if user is None:
raise Forbidden
district = user.school.district
title = u'{0} ({1} kansanedustajapaikka'.format(district.name, district.quota)
title += ')' if district.quota == 1 else 'a)'
rows = [
(title, u'', u'', u'', u''),
(u'', u'', u'', u'', u''),
(u'Valitut ehdokkaat', u'', u'', u'', u''),
(u'Numero', u'Nimi', u'Puolue', u'Äänimäärä', u'Vertailuluku'),
]
for i, record in enumerate(dhont_selection(user.school.district)):
# Add a separator between the selected and other candidates.
if i == district.quota:
rows.append((u'', u'', u'', u'', u''))
rows.append((u'Valitsematta jääneet ehdokkaat', u'', u'', u'', u''))
rows.append((u'Numero', u'Nimi', u'Puolue', u'Äänimäärä', u'Vertailuluku'))
candidate = record['candidate']
rows.append((candidate.number,
candidate.fullname(),
candidate.party.name,
record['absolute_votes'],
record['proportional_votes']))
request.add_response_callback(disable_caching_explorer)
return xls_response(rows,
filename='nuorisovaalit2011-tulokset.xls',
num_formats=(None, '@', '@', None, None),
col_widths=(None, 8000, 14000, 3000, 3000))
def test_no_votes(self):
"""Test for a case when no candidates have received any votes.
Not likely to happen in reality.
"""
from nuorisovaalit.results import dhont_selection
district = self._populate(quota=8)
# group 1
self._add_votes(district.candidates[0], 0)
self._add_votes(district.candidates[1], 0)
# group 2
self._add_votes(district.candidates[2], 0)
self._add_votes(district.candidates[3], 0)
# group 3
self._add_votes(district.candidates[4], 0)
self._add_votes(district.candidates[5], 0)
self._add_votes(district.candidates[6], 0)
# group 4
self._add_votes(district.candidates[7], 0)
winners = dhont_selection(district)
# Assert quota
self.assertEquals(8, len(winners))
# Assert the secondary sorting key ordering. The expected ordering
# was determined manually by evaluating the hashes in an interpreter.
self.assertOrdering(
district.candidates[2],
district.candidates[6],
district.candidates[5],
district.candidates[7],
district.candidates[0],
district.candidates[4],
district.candidates[3],
district.candidates[1],
)
# Because all the vote counts are zero the ordering of the candidates
# is based entirely on the secondary sorting key.
# First selected candidate
self.assertCandidate(winners[0], {
'name': u'2, Candidate',
'proportional_votes': Decimal('0'),
'absolute_votes': 0,
})
# Second selected candidate
self.assertCandidate(winners[1], {
'name': u'6, Candidate',
'proportional_votes': Decimal('0'),
'absolute_votes': 0,
})
# Third selected candidate
self.assertCandidate(winners[2], {
'name': u'5, Candidate',
'proportional_votes': Decimal('0'),
'absolute_votes': 0,
})
# Fourth selected candidate
self.assertCandidate(winners[3], {
'name': u'7, Candidate',
'proportional_votes': Decimal('0'),
'absolute_votes': 0,
})
# Fifth selected candidate
self.assertCandidate(winners[4], {
'name': u'0, Candidate',
'proportional_votes': Decimal('0'),
'absolute_votes': 0,
})
# Sixth selected candidate
self.assertCandidate(winners[5], {
'name': u'4, Candidate',
'proportional_votes': Decimal('0'),
'absolute_votes': 0,
})
# Seventh selected candidate
self.assertCandidate(winners[6], {
'name': u'3, Candidate',
'proportional_votes': Decimal('0'),
'absolute_votes': 0,
})
# Eighth selected candidate
self.assertCandidate(winners[7], {
'name': u'1, Candidate',
'proportional_votes': Decimal('0'),
'absolute_votes': 0,
})
def test_tie_in_both_vote_types(self):
"""Tests for the case when there are ties in both the absolute votes
and the proportional votes.
"""
from nuorisovaalit.results import dhont_selection
district = self._populate(quota=3)
# Votes are created so that they result in ties.
# The second and third group both have a total sum of 6 votes in
# addition to the individual candidates having the same number of
# votes.
# group 1
self._add_votes(district.candidates[0], 1)
self._add_votes(district.candidates[1], 1)
# group 2
self._add_votes(district.candidates[2], 3)
self._add_votes(district.candidates[3], 3)
# group 3
self._add_votes(district.candidates[4], 2)
self._add_votes(district.candidates[5], 2)
self._add_votes(district.candidates[6], 2)
# group 4
self._add_votes(district.candidates[7], 3)
winners = dhont_selection(district)
self.assertEquals(8, len(winners))
# Assert the secondary sorting key ordering. The expected ordering
# was determined manually by evaluating the hashes in an interpreter.
self.assertOrdering(
district.candidates[2],
district.candidates[6],
district.candidates[5],
district.candidates[7],
district.candidates[0],
district.candidates[4],
district.candidates[3],
district.candidates[1],
)
# First selected candidate. The first position is a tie between the
# second and third group. In each group the candidates have tied also.
# Of the five possible candidates the secondary sorting key favors
# candidate 3.
self.assertCandidate(winners[0], {
'name': u'2, Candidate',
'proportional_votes': Decimal('6'),
'absolute_votes': 3,
})
# Second selected candidate.
self.assertCandidate(winners[1], {
'name': u'6, Candidate',
'proportional_votes': Decimal('6'),
'absolute_votes': 2,
})
# Third selected candidate. The third position is a tie between
# the left overs from groups two and three with group four. Out of
# these candidates the secondary sorting key favors candidate 5.
self.assertCandidate(winners[2], {
'name': u'5, Candidate',
'proportional_votes': Decimal('3'),
'absolute_votes': 2,
})
# The remaining candidates that did not fit the quota.
self.assertCandidate(winners[3], {
'name': u'7, Candidate',
'proportional_votes': Decimal('3'),
'absolute_votes': 3,
})
self.assertCandidate(winners[4], {
'name': u'3, Candidate',
'proportional_votes': Decimal('3'),
'absolute_votes': 3,
})
self.assertCandidate(winners[5], {
'name': u'0, Candidate',
'proportional_votes': Decimal('2'),
'absolute_votes': 1,
})
self.assertCandidate(winners[6], {
'name': u'4, Candidate',
'proportional_votes': Decimal('2'),
'absolute_votes': 2,
})
self.assertCandidate(winners[7], {
'name': u'1, Candidate',
'proportional_votes': Decimal('1'),
'absolute_votes': 1,
})
def test_tie_in_proportional_votes(self):
"""Tests for the case when two or more candidates get the same amount
of proportional votes.
"""
from nuorisovaalit.results import dhont_selection
district = self._populate(quota=3)
# Votes are distributed so that each group has the same number of
# total votes resulting in the tie in the proportional votes.
# group 1
self._add_votes(district.candidates[0], 2)
self._add_votes(district.candidates[1], 6)
# group 2
self._add_votes(district.candidates[2], 5)
self._add_votes(district.candidates[3], 3)
# group 3
self._add_votes(district.candidates[4], 2)
self._add_votes(district.candidates[5], 2)
self._add_votes(district.candidates[6], 4)
# group 4
self._add_votes(district.candidates[7], 8)
winners = dhont_selection(district)
self.assertEquals(8, len(winners))
# Assert the secondary sorting key ordering. The expected ordering
# was determined manually by evaluating the hashes in an interpreter.
self.assertOrdering(
district.candidates[2],
district.candidates[6],
district.candidates[5],
district.candidates[7],
district.candidates[0],
district.candidates[4],
district.candidates[3],
district.candidates[1],
)
# First selected candidate.
self.assertCandidate(winners[0], {
'name': u'2, Candidate',
'proportional_votes': Decimal('8'),
'absolute_votes': 5,
})
# Second selected candidate.
self.assertCandidate(winners[1], {
'name': u'6, Candidate',
'proportional_votes': Decimal('8'),
'absolute_votes': 4,
})
# Third selected candidate.
self.assertCandidate(winners[2], {
'name': u'7, Candidate',
'proportional_votes': Decimal('8'),
'absolute_votes': 8,
})
self.assertCandidate(winners[3], {
'name': u'1, Candidate',
'proportional_votes': Decimal('8'),
'absolute_votes': 6,
})
self.assertCandidate(winners[4], {
'name': u'5, Candidate',
'proportional_votes': Decimal('4'),
'absolute_votes': 2,
})
self.assertCandidate(winners[5], {
'name': u'0, Candidate',
'proportional_votes': Decimal('4'),
'absolute_votes': 2,
})
self.assertCandidate(winners[6], {
'name': u'3, Candidate',
'proportional_votes': Decimal('4'),
'absolute_votes': 3,
})
self.assertCandidate(winners[7], {
'name': u'4, Candidate',
'proportional_votes': Decimal('8') / Decimal('3'),
'absolute_votes': 2,
})
def test_candidates_less_than_quota(self):
"""Test for a case where a quota for a district is larger than the
number of candidates.
In reality this will most likely never happen.
"""
from nuorisovaalit.results import dhont_selection
district = self._populate(quota=20)
self._add_votes(district.candidates[0], 2)
self._add_votes(district.candidates[1], 3)
self._add_votes(district.candidates[2], 2)
self._add_votes(district.candidates[3], 4)
self._add_votes(district.candidates[4], 1)
self._add_votes(district.candidates[5], 2)
self._add_votes(district.candidates[6], 4)
self._add_votes(district.candidates[7], 3)
winners = dhont_selection(district)
# We can only get back the number of candidates there are, even if it
# is less than the quota.
self.assertEquals(8, len(winners))
# Assert the secondary sorting key ordering. The expected ordering
# was determined manually by evaluating the hashes in an interpreter.
self.assertOrdering(
district.candidates[2],
district.candidates[6],
district.candidates[5],
district.candidates[7],
district.candidates[0],
district.candidates[4],
district.candidates[3],
district.candidates[1],
)
# First selected candidate
self.assertCandidate(winners[0], {
'name': u'6, Candidate',
'proportional_votes': Decimal('7'),
'absolute_votes': 4,
})
# Second selected candidate
self.assertCandidate(winners[1], {
'name': u'3, Candidate',
'proportional_votes': Decimal('6'),
'absolute_votes': 4,
})
# Third selected candidate
self.assertCandidate(winners[2], {
'name': u'1, Candidate',
'proportional_votes': Decimal('5'),
'absolute_votes': 3,
})
# Fourth selected candidate
self.assertCandidate(winners[3], {
'name': u'5, Candidate',
'proportional_votes': Decimal('3.5'),
'absolute_votes': 2,
})
# Fifth selected candidate
self.assertCandidate(winners[4], {
'name': u'2, Candidate',
'proportional_votes': Decimal('3'),
'absolute_votes': 2,
})
# Sixth selected candidate
self.assertCandidate(winners[5], {
'name': u'7, Candidate',
'proportional_votes': Decimal('3'),
'absolute_votes': 3,
})
# Seventh selected candidate
self.assertCandidate(winners[6], {
'name': u'0, Candidate',
'proportional_votes': Decimal('2.5'),
'absolute_votes': 2,
})
# Eighth selected candidate
self.assertCandidate(winners[7], {
'name': u'4, Candidate',
'proportional_votes': Decimal('7') / Decimal('3'),
'absolute_votes': 1,
})
def test_mixed_coalitions(self):
"""Tests when some parties are part of coalitions"""
from nuorisovaalit.models import Coalition
from nuorisovaalit.results import dhont_selection
session = DBSession()
district = self._populate(quota=3)
# Create a coalition for Köyhien asialla and Piraattipuolue
self._add_coalition(u'Red coalition', district, district.candidates[0].party, district.candidates[2].party)
self.assertEquals(1, session.query(Coalition).count())
# Create votes for red coalition
self._add_votes(district.candidates[0], 2)
self._add_votes(district.candidates[1], 3)
self._add_votes(district.candidates[2], 2)
self._add_votes(district.candidates[3], 4)
# Create votes for Suomen työväenpuolue
self._add_votes(district.candidates[4], 1)
self._add_votes(district.candidates[5], 2)
self._add_votes(district.candidates[6], 4)
# Create votes for valitsijalista
self._add_votes(district.candidates[7], 8)
winners = dhont_selection(district)
# Assert the secondary sorting key ordering. The expected ordering
# was determined manually by evaluating the hashes in an interpreter.
self.assertOrdering(
district.candidates[2],
district.candidates[6],
district.candidates[5],
district.candidates[7],
district.candidates[0],
district.candidates[4],
district.candidates[3],
district.candidates[1],
)
# First selected candidate
self.assertCandidate(winners[0], {
'name': u'3, Candidate',
'proportional_votes': Decimal('11'),
'absolute_votes': 4,
})
# Second selected candidate
self.assertCandidate(winners[1], {
'name': u'7, Candidate',
'proportional_votes': Decimal('8'),
'absolute_votes': 8,
})
# Third selected candidate
self.assertCandidate(winners[2], {
'name': u'6, Candidate',
'proportional_votes': Decimal('7'),
'absolute_votes': 4,
})
self.assertCandidate(winners[3], {
'name': u'1, Candidate',
'proportional_votes': Decimal('5.5'),
'absolute_votes': 3,
})
self.assertCandidate(winners[4], {
'name': u'2, Candidate',
'proportional_votes': Decimal('11') / Decimal('3'),
'absolute_votes': 2,
})
self.assertCandidate(winners[5], {
'name': u'5, Candidate',
'proportional_votes': Decimal('3.5'),
'absolute_votes': 2,
})
self.assertCandidate(winners[6], {
'name': u'0, Candidate',
'proportional_votes': Decimal('2.75'),
'absolute_votes': 2,
})
self.assertCandidate(winners[7], {
'name': u'4, Candidate',
'proportional_votes': Decimal('7') / Decimal('3'),
'absolute_votes': 1,
})
def test_no_coalitions(self):
"""Test the results when there are no coalitions."""
from nuorisovaalit.results import dhont_selection
district = self._populate(quota=3)
# group 1
self._add_votes(district.candidates[0], 2)
self._add_votes(district.candidates[1], 3)
# group 2
self._add_votes(district.candidates[2], 2)
self._add_votes(district.candidates[3], 4)
# group 3
self._add_votes(district.candidates[4], 1)
self._add_votes(district.candidates[5], 2)
self._add_votes(district.candidates[6], 4)
# group 4
self._add_votes(district.candidates[7], 3)
winners = dhont_selection(district)
self.assertEquals(8, len(winners))
# Assert the secondary sorting key ordering. The expected ordering
# was determined manually by evaluating the hashes in an interpreter.
self.assertOrdering(
district.candidates[2],
district.candidates[6],
district.candidates[5],
district.candidates[7],
district.candidates[0],
district.candidates[4],
district.candidates[3],
district.candidates[1],
)
# First selected candidate
self.assertCandidate(winners[0], {
'name': u'6, Candidate',
'proportional_votes': Decimal('7'),
'absolute_votes': 4,
})
# Second selected candidate
self.assertCandidate(winners[1], {
'name': u'3, Candidate',
'proportional_votes': Decimal('6'),
'absolute_votes': 4,
})
# Third selected candidate
self.assertCandidate(winners[2], {
'name': u'1, Candidate',
'proportional_votes': Decimal('5'),
'absolute_votes': 3,
})
self.assertCandidate(winners[3], {
'name': u'5, Candidate',
'proportional_votes': Decimal('3.5'),
'absolute_votes': 2,
})
self.assertCandidate(winners[4], {
'name': u'2, Candidate',
'proportional_votes': Decimal('3'),
'absolute_votes': 2,
})
self.assertCandidate(winners[5], {
'name': u'7, Candidate',
'proportional_votes': Decimal('3'),
'absolute_votes': 3,
})
self.assertCandidate(winners[6], {
'name': u'0, Candidate',
'proportional_votes': Decimal('2.5'),
'absolute_votes': 2,
})
self.assertCandidate(winners[7], {
'name': u'4, Candidate',
'proportional_votes': Decimal('7') / Decimal('3'),
'absolute_votes': 1,
})