def update_elo():
sys.stdout.write("Query matches...")
matches = Match1on1.query().all()
sys.stdout.write("\rBeginning to update %d matches" % len(matches))
print ""
# constants
conf = utils.get_config(args)
k = conf["elo.chess.k"]
func = conf["elo.chess.function"]
# Query all ratings and store it in a dictionary. This is done to store
# the newest rating data in memory. We do not have to commit.
ratings = Rank_Elo.query().all()
rdict = {}
for r in ratings:
rdict[r.player_id.value] = r
updates = 0
for match in matches:
rating1 = rdict[match.player1.value]
rating2 = rdict[match.player2.value]
result = elo.elo1on1(rating1.value.value, rating2.value.value,
match.outcome.value, k, func)
rating1.value = result[0]
rating2.value = result[1]
updates = updates + 1
if updates % 50 == 0:
sys.stdout.write("\r" + "Updated %d matches..." % updates)
sys.stdout.flush()
# update table
for r in ratings:
r.save(commit=False)
Rank_Elo.commit()
print "\rUpdated", updates, "matches."
def update_elo():
sys.stdout.write("Query matches...")
matches = Match1on1.query().all()
sys.stdout.write("\rBeginning to update %d matches" % len(matches))
print ""
# constants
conf = utils.get_config(args)
k = conf["elo.chess.k"]
func = conf["elo.chess.function"]
# Query all ratings and store it in a dictionary. This is done to store
# the newest rating data in memory. We do not have to commit.
ratings = Rank_Elo.query().all()
rdict = {}
for r in ratings:
rdict[r.player_id.value] = r
updates = 0
for match in matches:
rating1 = rdict[match.player1.value]
rating2 = rdict[match.player2.value]
result = elo.elo1on1(rating1.value.value, rating2.value.value,
match.outcome.value, k, func)
rating1.value = result[0]
rating2.value = result[1]
updates = updates + 1
if updates % 50 == 0:
sys.stdout.write("\r" + "Updated %d matches..." % updates)
sys.stdout.flush()
# update table
for r in ratings:
r.save(commit=False)
Rank_Elo.commit()
print "\rUpdated", updates, "matches."
def predict(args):
"""
Reads match constellations from an input file and writes the
results to a specified output file.
:param args: A list with arguments from the argument parser
:type args: namespace
"""
if os.path.abspath(args.ifile) == os.path.abspath(args.ofile):
print "You tried to overwrite your input with your output file."
print "Aborted."
return
if args.algorithm == "glicko":
print "Not implemented yet"
return
try:
modes = {True: "incremental", False: "non-incremental"}
print "Predicting the matches in %s mode" % modes[args.incremental]
print "Open %s and write into %s..." % (args.ifile, args.ofile)
csvfile, reader, hasHeader = utils.get_csv(args.ifile)
ofile = open(args.ofile, 'w')
line = 0
if hasHeader:
print "\tFirst line of csv file is ignored. It seems to be a " \
"header row.\n"
# constants
conf = utils.get_config(args)
k = conf["elo.chess.k"]
func = conf["elo.chess.function"]
# Query all ratings and store it in a dictionary. This is done for
# faster access and on-the-fly calculation of new elo values
ratings = Rank_Elo.query().all()
rdict = {}
for r in ratings:
player = Player.query().get(player_id=r.player_id.value)
rdict[player.nickname.value] = r
for row in reader:
if line != 0 or (line == 0 and not hasHeader):
ratings = (rdict.get(row[1], None), rdict.get(row[2], None))
if ratings[0] is None or ratings[1] is None:
continue
value1 = ratings[0].value.value
value2 = ratings[1].value.value
if (value1 > value2):
outcome = 1
elif (value1 < value2):
outcome = 0
else:
outcome = 0.5
if args.incremental:
result = elo.elo1on1(value1, value2, outcome, k, func)
ratings[0].value = result[0]
ratings[1].value = result[1]
ofile.write("%s,%s,%s,%s\n" %
(row[0], row[1], row[2], str(outcome)))
elif line == 0 and hasHeader:
ofile.write('"%s","%s","%s","Statistically most possible ' \
'outcome"\n' % (row[0], row[1], row[2]))
if line % 13 == 0:
sys.stdout.write("\rWrote %d entries to the out file" % line)
sys.stdout.flush()
line = line + 1
print "\rWrote %d entries to the out file" % (line -
(1 if hasHeader else 0))
csvfile.close()
ofile.close()
except csv.Error:
print "Error importing %s in line %d" % (args.ifile, line)
except IOError:
print "One file is missing. Either %s or %s" % (args.ifile, args.ofile)
def predict(args):
"""
Reads match constellations from an input file and writes the
results to a specified output file.
:param args: A list with arguments from the argument parser
:type args: namespace
"""
if os.path.abspath(args.ifile) == os.path.abspath(args.ofile):
print "You tried to overwrite your input with your output file."
print "Aborted."
return
if args.algorithm == "glicko":
print "Not implemented yet"
return
try:
modes = {True: "incremental", False: "non-incremental"}
print "Predicting the matches in %s mode" % modes[args.incremental]
print "Open %s and write into %s..." % (args.ifile, args.ofile)
csvfile, reader, hasHeader = utils.get_csv(args.ifile)
ofile = open(args.ofile, 'w')
line = 0
if hasHeader:
print "\tFirst line of csv file is ignored. It seems to be a " \
"header row.\n"
# constants
conf = utils.get_config(args)
k = conf["elo.chess.k"]
func = conf["elo.chess.function"]
# Query all ratings and store it in a dictionary. This is done for
# faster access and on-the-fly calculation of new elo values
ratings = Rank_Elo.query().all()
rdict = {}
for r in ratings:
player = Player.query().get(player_id=r.player_id.value)
rdict[player.nickname.value] = r
for row in reader:
if line != 0 or (line == 0 and not hasHeader):
ratings = (rdict.get(row[1], None), rdict.get(row[2], None))
if ratings[0] is None or ratings[1] is None:
continue
value1 = ratings[0].value.value
value2 = ratings[1].value.value
if (value1 > value2):
outcome = 1
elif (value1 < value2):
outcome = 0
else:
outcome = 0.5
if args.incremental:
result = elo.elo1on1(value1, value2, outcome, k, func)
ratings[0].value = result[0]
ratings[1].value = result[1]
ofile.write("%s,%s,%s,%s\n" % (row[0], row[1], row[2],
str(outcome)))
elif line == 0 and hasHeader:
ofile.write('"%s","%s","%s","Statistically most possible ' \
'outcome"\n' % (row[0], row[1], row[2]))
if line % 13 == 0:
sys.stdout.write("\rWrote %d entries to the out file" % line)
sys.stdout.flush()
line = line + 1
print "\rWrote %d entries to the out file" % (
line - (1 if hasHeader else 0))
csvfile.close()
ofile.close()
except csv.Error:
print "Error importing %s in line %d" % (args.ifile, line)
except IOError:
print "One file is missing. Either %s or %s" % (args.ifile, args.ofile)
