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 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 clear_elo(): ranks = Rank_Elo.query().all() for rank in ranks: rank.value = 1500 rank.save(commit=False) Rank_Elo.commit()