+import json
import logging
import math
import sqlalchemy
+import sqlalchemy.sql.functions as sfunc
from datetime import timedelta
from sqlalchemy.orm import mapper
from sqlalchemy.orm import scoped_session
from sqlalchemy.orm import sessionmaker
from sqlalchemy.ext.declarative import declarative_base
-from xonstat.elo import KREDUCTION, ELOPARMS
from xonstat.util import strip_colors, html_colors, pretty_date
log = logging.getLogger(__name__)
return pretty_date(self.create_dt)
def __repr__(self):
- return "<Player(%s, %s)>" % (self.player_id,
- self.nick.encode('utf-8'))
+ return "<Player(%s, %s)>" % (self.player_id, self.nick.encode('utf-8'))
+
+ def to_dict(self):
+ return {'player_id':self.player_id, 'name':self.nick.encode('utf-8')}
class GameType(object):
def __repr__(self):
- return "<GameType(%s, %s, %s)>" % (self.game_type_cd, self.descr,
- self.active_ind)
+ return "<GameType(%s, %s, %s)>" % (self.game_type_cd, self.descr, self.active_ind)
+
+ def to_dict(self):
+ return {'game_type_cd':self.game_type_cd, 'name':self.descr, 'active':self.active_ind}
class Weapon(object):
def __repr__(self):
- return "<Weapon(%s, %s, %s)>" % (self.weapon_cd, self.descr,
- self.active_ind)
+ return "<Weapon(%s, %s, %s)>" % (self.weapon_cd, self.descr, self.active_ind)
+
+ def to_dict(self):
+ return {'weapon_cd':self.weapon_cd, 'name':self.descr, 'active':self.active_ind}
class Server(object):
def __repr__(self):
return "<Server(%s, %s)>" % (self.server_id, self.name.encode('utf-8'))
+ def to_dict(self):
+ return {'server_id':self.server_id, 'name':self.name.encode('utf-8')}
+
class Map(object):
def __init__(self, name=None):
def __repr__(self):
return "<Map(%s, %s, %s)>" % (self.map_id, self.name, self.version)
+ def to_dict(self):
+ return {'map_id':self.map_id, 'name':self.name, 'version':self.version}
+
class Game(object):
def __init__(self, game_id=None, start_dt=None, game_type_cd=None,
self.winner = winner
def __repr__(self):
- return "<Game(%s, %s, %s, %s)>" % (self.game_id, self.start_dt,
- self.game_type_cd, self.server_id)
+ return "<Game(%s, %s, %s, %s)>" % (self.game_id, self.start_dt, self.game_type_cd, self.server_id)
+
+ def to_dict(self):
+ return {'game_id':self.game_id, 'start':self.start_dt.strftime('%Y-%m-%dT%H:%M:%SZ'), 'game_type_cd':self.game_type_cd, 'server_id':self.server_id}
def fuzzy_date(self):
return pretty_date(self.start_dt)
- def process_elos(self, session, game_type_cd=None):
- if game_type_cd is None:
- game_type_cd = self.game_type_cd
-
- scores = {}
- alivetimes = {}
- for (p,s,a) in session.query(PlayerGameStat.player_id,
- PlayerGameStat.score, PlayerGameStat.alivetime).\
- filter(PlayerGameStat.game_id==self.game_id).\
- filter(PlayerGameStat.alivetime > timedelta(seconds=0)).\
- filter(PlayerGameStat.player_id > 2).\
- all():
- # scores are per second
- scores[p] = s/float(a.seconds)
- alivetimes[p] = a.seconds
-
- player_ids = scores.keys()
-
- elos = {}
- for e in session.query(PlayerElo).\
- filter(PlayerElo.player_id.in_(player_ids)).\
- filter(PlayerElo.game_type_cd==game_type_cd).all():
- elos[e.player_id] = e
-
- # ensure that all player_ids have an elo record
- for pid in player_ids:
- if pid not in elos.keys():
- elos[pid] = PlayerElo(pid, game_type_cd)
-
- for pid in player_ids:
- elos[pid].k = KREDUCTION.eval(elos[pid].games, alivetimes[pid], 0)
-
- elos = self.update_elos(elos, scores, ELOPARMS)
-
- # add the elos to the session for committing
- for e in elos:
- session.add(elos[e])
-
- if game_type_cd == 'duel':
- self.process_elos(session, "dm")
-
- def update_elos(self, elos, scores, ep):
- eloadjust = {}
- for pid in elos.keys():
- eloadjust[pid] = 0
-
- if len(elos) < 2:
- return elos
-
- pids = elos.keys()
-
- for i in xrange(0, len(pids)):
- ei = elos[pids[i]]
- for j in xrange(i+1, len(pids)):
- ej = elos[pids[j]]
- si = scores[ei.player_id]
- sj = scores[ej.player_id]
-
- # normalize scores
- ofs = min(0, si, sj)
- si -= ofs
- sj -= ofs
- if si + sj == 0:
- si, sj = 1, 1 # a draw
-
- # real score factor
- scorefactor_real = si / float(si + sj)
-
- # estimated score factor by elo
- elodiff = min(ep.maxlogdistance, max(-ep.maxlogdistance,
- (float(ei.elo) - float(ej.elo)) * ep.logdistancefactor))
- scorefactor_elo = 1 / (1 + math.exp(-elodiff))
-
- # how much adjustment is good?
- # scorefactor(elodiff) = 1 / (1 + e^(-elodiff * logdistancefactor))
- # elodiff(scorefactor) = -ln(1/scorefactor - 1) / logdistancefactor
- # elodiff'(scorefactor) = 1 / ((scorefactor) (1 - scorefactor) logdistancefactor)
- # elodiff'(scorefactor) >= 4 / logdistancefactor
-
- # adjust'(scorefactor) = K1 + K2
-
- # so we want:
- # K1 + K2 <= 4 / logdistancefactor <= elodiff'(scorefactor)
- # as we then don't overcompensate
-
- adjustment = scorefactor_real - scorefactor_elo
- eloadjust[ei.player_id] += adjustment
- eloadjust[ej.player_id] -= adjustment
- for pid in pids:
- elos[pid].elo = max(float(elos[pid].elo) + eloadjust[pid] * elos[pid].k * ep.global_K / float(len(elos) - 1), ep.floor)
- elos[pid].games += 1
- return elos
-
class PlayerGameStat(object):
def __init__(self, player_game_stat_id=None, create_dt=None):
self.create_dt = create_dt
def __repr__(self):
- return "<PlayerGameStat(%s, %s, %s)>" \
- % (self.player_id, self.game_id, self.create_dt)
+ return "<PlayerGameStat(%s, %s, %s)>" % (self.player_id, self.game_id, self.create_dt)
+
+ def to_dict(self):
+ return {'player_id':self.player_id, 'game_id':self.game_id, 'create_dt':self.create_dt.strftime('%Y-%m-%dT%H:%M:%SZ')}
def nick_stripped(self):
if self.nick is None:
class Achievement(object):
def __repr__(self):
- return "<Achievement(%s, %s, %s)>" % (self.achievement_cd, self.descr,
- self.limit)
+ return "<Achievement(%s, %s, %s)>" % (self.achievement_cd, self.descr, self.limit)
+
+ def to_dict(self):
+ return {'achievement_cd':self.achievement_cd, 'name':self.descr, 'limit':self.limit}
class PlayerAchievement(object):
def __repr__(self):
return "<PlayerAchievement(%s, %s)>" % (self.player_id, self.achievement_cd)
+ def to_dict(self):
+ return {'player_id':self.player_id, 'achievement_cd':self.achievement_cd}
+
class PlayerWeaponStat(object):
def __repr__(self):
- return "<PlayerWeaponStat(%s, %s, %s)>" % (self.player_weapon_stats_id,
- self.player_id, self.game_id)
+ return "<PlayerWeaponStat(%s, %s, %s)>" % (self.player_weapon_stats_id, self.player_id, self.game_id)
+
+ def to_dict(self):
+ return {'player_weapon_stats_id':self.player_weapon_stats_id, 'player_id':self.player_id, 'game_id':self.game_id}
class Hashkey(object):
def __repr__(self):
return "<Hashkey(%s, %s)>" % (self.player_id, self.hashkey)
+ def to_dict(self):
+ return {'player_id':self.player_id, 'hashkey':self.hashkey}
+
class PlayerNick(object):
def __repr__(self):
return "<PlayerNick(%s, %s)>" % (self.player_id, self.stripped_nick)
+ def to_dict(self):
+ return {'player_id':self.player_id, 'name':self.stripped_nick}
+
class PlayerElo(object):
- def __init__(self, player_id=None, game_type_cd=None):
+ def __init__(self, player_id=None, game_type_cd=None, elo=None):
self.player_id = player_id
self.game_type_cd = game_type_cd
+ self.elo = elo
self.score = 0
self.games = 0
- self.elo = ELOPARMS.initial
def __repr__(self):
- return "<PlayerElo(pid=%s, gametype=%s, elo=%s)>" % \
- (self.player_id, self.game_type_cd, self.elo)
+ return "<PlayerElo(pid=%s, gametype=%s, elo=%s)>" % (self.player_id, self.game_type_cd, self.elo)
+
+ def to_dict(self):
+ return {'player_id':self.player_id, 'game_type_cd':self.game_type_cd, 'elo':self.elo}
+
+
+class PlayerRank(object):
+
+ def nick_html_colors(self):
+ if self.nick is None:
+ return "Anonymous Player"
+ else:
+ return html_colors(self.nick)
+
+ def __repr__(self):
+ return "<PlayerRank(pid=%s, gametype=%s, rank=%s)>" % (self.player_id, self.game_type_cd, self.rank)
+
+ def to_dict(self):
+ return {'player_id':self.player_id, 'game_type_cd':self.game_type_cd, 'rank':self.rank}
def initialize_db(engine=None):
servers_table = MetaData.tables['servers']
player_nicks_table = MetaData.tables['player_nicks']
player_elos_table = MetaData.tables['player_elos']
+ player_ranks_table = MetaData.tables['player_ranks']
# now map the tables and the objects together
mapper(PlayerAchievement, achievements_table)
mapper(Server, servers_table)
mapper(PlayerNick, player_nicks_table)
mapper(PlayerElo, player_elos_table)
+ mapper(PlayerRank, player_ranks_table)