def import_results(args):
"""
Imports the match data of a csv file into the result table.
:param args: A list with arguments from the argument parser
:type args: namespace
"""
print "Importing results from", args.file
try:
csvfile, reader, hasHeader = utils.get_csv(args.file)
line = 0
if hasHeader:
print "\tFirst line of csv file is ignored. It seems to be a " \
"header row.\n"
# nickname --> player
players = {}
for row in reader:
if line != 0 or (line == 0 and not hasHeader):
if row[1] is row[2]:
continue
player1 = players.get(row[1], None)
player2 = players.get(row[2], None)
if player1 is None:
player1, created = utils.add_player(row[1], commit=False)
players[player1.nickname.value] = player1
if player2 is None:
player2, created = utils.add_player(row[2], commit=False)
players[player2.nickname.value] = player2
dbRow = Match1on1(player1=player1.player_id.value,
player2=player2.player_id.value,
outcome=row[3],
date=row[0])
dbRow.save(commit=False)
if line % 100 == 0:
sys.stdout.write("\r" + "Imported %d entries..." % line)
sys.stdout.flush()
line = line + 1
Rank_Elo.commit()
Rank_Glicko.commit()
Match1on1.commit()
csvfile.close()
print "\rImported %d entries." % (line - (1 if hasHeader else 0))
except csv.Error:
print "Error importing %s in line %d" % (args.file, line)
except IOError:
print "No such file: %s" % args.file
def import_results(args):
"""
Imports the match data of a csv file into the result table.
:param args: A list with arguments from the argument parser
:type args: namespace
"""
print "Importing results from", args.file
try:
csvfile, reader, hasHeader = utils.get_csv(args.file)
line = 0
if hasHeader:
print "\tFirst line of csv file is ignored. It seems to be a " \
"header row.\n"
# nickname --> player
players = {}
for row in reader:
if line != 0 or (line == 0 and not hasHeader):
if row[1] is row[2]:
continue
player1 = players.get(row[1], None)
player2 = players.get(row[2], None)
if player1 is None:
player1, created = utils.add_player(row[1], commit=False)
players[player1.nickname.value] = player1
if player2 is None:
player2, created = utils.add_player(row[2], commit=False)
players[player2.nickname.value] = player2
dbRow = Match1on1(player1=player1.player_id.value,
player2=player2.player_id.value, outcome=row[3],
date=row[0])
dbRow.save(commit=False)
if line % 100 == 0:
sys.stdout.write("\r" + "Imported %d entries..." % line)
sys.stdout.flush()
line = line + 1
Rank_Elo.commit()
Rank_Glicko.commit()
Match1on1.commit()
csvfile.close()
print "\rImported %d entries." % (line - (1 if hasHeader else 0))
except csv.Error:
print "Error importing %s in line %d" % (args.file, line)
except IOError:
print "No such file: %s" % args.file
def match_elo(rating):
ratings = Rank_Elo.query().all()
best = None
deviation = 99999999
for r in ratings:
if (best is None or abs(r.value.value - rating.value.value) <
deviation) and r.player_id.value != rating.player_id.value:
best = r
deviation = abs(r.value.value - rating.value.value)
return best
def match_elo(rating):
ratings = Rank_Elo.query().all()
best = None
deviation = 99999999
for r in ratings:
if (best is None or abs(r.value.value - rating.value.value) <
deviation) and r.player_id.value != rating.player_id.value:
best = r
deviation = abs(r.value.value - rating.value.value)
return best
def add_player(nickname, firstname="", lastname="", commit=False):
"""
Adds a player and the corresponding ranks to the database. If the player
already exsits, this function does nothing.
:param nickname: The nickname of the player to add
:type nickname: string
:param firstname: The first name of the player to add
:type firstname: string
:param lastname: The last name of the player to add
:type lastname: string
:param commit: True if the rows should be committed
:type commit: bool
:return: Tupel (the player model, False if player already existed)
"""
player = Player.query().get(nickname=nickname)
created = False
if player == None:
created = True
player = Player(firstname=firstname, lastname=lastname,
nickname=nickname)
player.save(commit)
rank = Rank_Elo(player_id=player.player_id.value)
rank.save(commit)
rank = Rank_Glicko(player_id=player.player_id.value)
rank.save(commit)
return player, created
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 best_worst_elo():
ranks = Rank_Elo.query().all()
ranks = sorted(ranks, key=lambda x: x.value.value, reverse=best)
# the table to print out
table = [['Rank', 'Rating', 'Nick', 'Firstname', 'Lastname', 'ID']]
#print "Rank\tRating\tNick\tForename\tSurname\tid"
for i in range(min(args.amount, len(ranks))):
player = Player().query().get(player_id=ranks[i].player_id.value)
#print "%d\t%d\t%s\t%s,\t%s\t%s" % (i + 1, ranks[i].value.value,
# player.nickname.value, player.firstname.value,
# player.lastname.value, player.player_id.value)
table.append([i + 1, ranks[i].value.value,
player.nickname.value, player.firstname.value,
player.lastname.value, player.player_id.value])
utils.print_table(table)
def best_worst_elo():
ranks = Rank_Elo.query().all()
ranks = sorted(ranks, key=lambda x: x.value.value, reverse=best)
# the table to print out
table = [['Rank', 'Rating', 'Nick', 'Firstname', 'Lastname', 'ID']]
#print "Rank\tRating\tNick\tForename\tSurname\tid"
for i in range(min(args.amount, len(ranks))):
player = Player().query().get(player_id=ranks[i].player_id.value)
#print "%d\t%d\t%s\t%s,\t%s\t%s" % (i + 1, ranks[i].value.value,
# player.nickname.value, player.firstname.value,
# player.lastname.value, player.player_id.value)
table.append([
i + 1, ranks[i].value.value, player.nickname.value,
player.firstname.value, player.lastname.value,
player.player_id.value
])
utils.print_table(table)
def rating_elo(player):
if player is None:
return None
return Rank_Elo.query().get(player_id=player.player_id.value)
def clear_elo():
ranks = Rank_Elo.query().all()
for rank in ranks:
rank.value = 1500
rank.save(commit=False)
Rank_Elo.commit()
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)
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from pychallenge.models import Config, Match1on1, Player, Rank_Elo, Rank_Glicko
if __name__ == "__main__":
Config.create()
Match1on1.create()
Player.create()
Rank_Elo.create()
Rank_Glicko.create()
def clear_elo():
ranks = Rank_Elo.query().all()
for rank in ranks:
rank.value = 1500
rank.save(commit=False)
Rank_Elo.commit()
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)