def cast(db, context, log, fields):
"""Perform CAST command.
This records the votes in the database, increments the tallies
and issues a receipt.
"""
"""Get a CrusherDict for this voterid."""
d = crusherdict.CrusherDict(db, context["id"])
"""Get the CrusherDict for the tallies."""
t = crusherdict.CrusherDict(db, "T")
"""Currently the voter does not exist in the database at all."""
d.status("UNCAST")
"""The voter just barely exists, having a status of UNCAST only."""
for vote in context["votes"]:
"""Add an item with key (office, candidate) and no value to the
voter dictlist.
"""
d.getKey(vote[1:3])
"""The votes have been added to the voter, but not the tallies."""
for vote in context["votes"]:
"""Find the item in the tallies with key (office, candidate) and
increment it, passing the voterid as "when" the tally was last
updated.
"""
t.inc(vote[1:3], context["id"])
"""The votes have been tentatively tallied."""
"""Tentatively increment the number of voters, again using the voterid
as "when" it was updated.
"""
t.inc("voters", context["id"])
"""Number of voters has been tentatively incremented."""
"""Change the voter's status to cast."""
d.status("CAST")
"""The votes have been tallied."""
return inq(db, context, log, ("INQ", context["id"]))
def clean(db):
"""Check the database for any votes that are not properly cast.
"""
t=crusherdict.CrusherDict(db,"T")
try:
x = t.getKey("voters")
print("t.getKey")
voters = db.fetch(x)
print("voters = x")
voters=db.fetch(t.getKey("voters"))
"""Get the CrusherDict for the last voter."""
v=crusherdict.CrusherDict(db,voters[2])
"""Check if the vote was cast."""
if(v.status()!="CAST"):
"""Last vote was not cast, so roll-back."""
for tup in v:
tally=db.fetch(t.getKey(tup[0]))
try:
if(tally[2]==voters[2]):
t.getKey(tup[0],tally[1]-1)
except IndexError:
"""The tally was previously rolled back, and so
does not need to be rolled back this time.
"""
t.getKey(tup[0],tally[1]-1)
except IndexError:
"""The tally was previously rolled back, and so
does not need to be rolled back this time.
"""
except KeyError:
"""c'mon python"""
def inq(db, context, log, fields):
"""Perform INQ command."""
context.clear()
log.write("VOTER\n")
for tup in crusherdict.CrusherDict(db, fields[1]):
log.write("VOTE\t{}\t{}\n".format(tup[0][0], tup[0][1]))
log.write("CAST\t{}\n".format(fields[1]))
return db.doExit
def report(db, log):
"""Perform final report."""
t=crusherdict.CrusherDict(db,"T")
voters=db.fetch(t.getKey("voters"))[1]
log.write("VOTERS\t{}\n".format(voters))
for tup in t:
if tup[0]!="voters":
log.write("TALLY\t{}\t{}\t{}\n".format(tup[0][0],tup[0][1],tup[1]))
def cast(db, context, log, fields):
"""Perform CAST command."""
d = crusherdict.CrusherDict(db, context["id"])
t = crusherdict.CrusherDict(db, "T")
"""Currently the voter does not exist in the database at all."""
d.status("UNCAST")
"""The voter just barely exists, having a status of UNCAST only."""
for vote in context["votes"]:
d.getKey(vote[1:3])
"""The votes have been added to the voter, but not the tallies."""
for vote in context["votes"]:
t.inc(vote[1:3], context["id"])
"""The votes have been tentatively tallied."""
t.inc("voters", context["id"])
"""Number of voters has been tentatively incremented."""
d.status("CAST")
"""The votes have been tallied."""
return inq(db, context, log, ("INQ", context["id"]))