def checkMinRequirements(self):
"Only attempt to count votes if there are enough candidates and voters."
OrderDependentSTV.checkMinRequirements(self)
if self.b.numBallots < self.batchCutoff * self.numSeats:
raise RuntimeError, """\
Not enough ballots to run an election.
Need at least %d ballots but have only %d.""" % (
self.batchCutoff*self.numSeats, self.b.numBallots)
def __init__(self, b):
OrderDependentSTV.__init__(self, b)
MethodPlugin.__init__(self)
self.threshName = ["Droop", "Static", "Whole"]
self.delayedTransfer = "Off"
self.batchElimination = "Zero"
self.batchCutoff = 50
self.createGuiOptions(["thresh0", "thresh1", "delayedTransfer",
"batchElimination", "batchCutoff"])
def __init__(self, b):
OrderDependentSTV.__init__(self, b)
MethodPlugin.__init__(self)
self.batchElimination = "Cutoff"
self.batchCutoff = 50
self.threshName = ["Droop", "Static", "Whole"]
self.delayedTransfer = "Off"
self.saveWinnersBallots = False
self.outputDir = None
self.createGuiOptions(["saveWinnersBallots"])
def __init__(self, b): OrderDependentSTV.__init__(self, b) MethodPlugin.__init__(self) self.batchElimination = "Cutoff" self.batchCutoff = 50 self.threshName = ["Droop", "Static", "Whole"] self.delayedTransfer = "Off" self.saveWinnersBallots = False self.outputDir = None self.createGuiOptions(["saveWinnersBallots"])
def __init__(self, b):
OrderDependentSTV.__init__(self, b)
MethodPlugin.__init__(self)
self.threshName = ["Droop", "Static", "Whole"]
self.delayedTransfer = "Off"
self.batchElimination = "Zero"
self.batchCutoff = 50
self.createGuiOptions([
"thresh0", "thresh1", "delayedTransfer", "batchElimination",
"batchCutoff"
])
def postCount(self):
"Save ballots of winners to a file so that vacancies may be filled."
OrderDependentSTV.postCount(self)
if not self.saveWinnersBallots:
return
self.msg.append("")
self.msg[self.R+1] = "The winning candidates' votes are stored in the "\
"following files:\n"
# Stuff used for creating a unique valid filename for each candidate
assert (os.path.exists(self.outputDir))
validChars = string.ascii_letters + string.digits
# For each candidate save the candidate's ballots to a unique
# filename that starts with the ballot file name.
for c in self.winners:
# Create a unique filename
cName = self.b.names[c]
cNameNorm = string.join((x for x in cName if x in validChars), "")
fName = os.path.join(self.outputDir, cNameNorm + ".blt")
i = 1
while os.path.exists(fName):
i += 1
fName = os.path.join(self.outputDir,
cNameNorm + str(i) + ".blt")
self.msg[self.R + 1] += " %s -> %s\n" % (cName, fName)
# Create a new ballots object for each winner
candidateBallots = self.b.copy(False)
candidateBallots.withdrawn = self.winners.copy()
candidateBallots.numSeats = 1
candidateBallots.title = "%s's ballots from %s" % (cName,
self.b.title)
# Copy the relevant ballots and save
for i in self.votes[c]:
ballot, ID = self.b.getBallotAndID(i)
candidateBallots.appendBallot(ballot, ID)
candidateBallots.saveAs(fName)
del candidateBallots
def postCount(self):
"Save ballots of winners to a file so that vacancies may be filled."
OrderDependentSTV.postCount(self)
if not self.saveWinnersBallots:
return
self.msg.append("")
self.msg[self.R+1] = "The winning candidates' votes are stored in the "\
"following files:\n"
# Stuff used for creating a unique valid filename for each candidate
assert(os.path.exists(self.outputDir))
validChars = string.ascii_letters + string.digits
# For each candidate save the candidate's ballots to a unique
# filename that starts with the ballot file name.
for c in self.winners:
# Create a unique filename
cName = self.b.names[c]
cNameNorm = string.join((x for x in cName if x in validChars), "")
fName = os.path.join(self.outputDir, cNameNorm + ".blt")
i = 1
while os.path.exists(fName):
i += 1
fName = os.path.join(self.outputDir, cNameNorm + str(i) + ".blt")
self.msg[self.R+1] += " %s -> %s\n" % (cName, fName)
# Create a new ballots object for each winner
candidateBallots = self.b.copy(False)
candidateBallots.withdrawn = self.winners.copy()
candidateBallots.numSeats = 1
candidateBallots.title = "%s's ballots from %s" % (cName, self.b.title)
# Copy the relevant ballots and save
for i in self.votes[c]:
ballot, ID = self.b.getBallotAndID(i)
candidateBallots.appendBallot(ballot, ID)
candidateBallots.saveAs(fName)
del candidateBallots
def preCount(self):
OrderDependentSTV.preCount(self)
self.optionsMsg = "Using a %s threshold." % \
string.join(self.threshName, "-")
def preCount(self):
OrderDependentSTV.preCount(self)
self.optionsMsg = "Using a %s threshold." % \
string.join(self.threshName, "-")
