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DbText.py
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DbText.py
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# this is a database module that uses text files for storing stuff
#
# example players.dat:
# Chris Tyson 888 200 1337957171
# David Jackson 1597 162 1337957172
# Luke Simpson 746 193 1337957179
# Randy Smith 1142 175 1337957199
import os
import re
import Db
class DbText(Db.Db):
def __init__(self):
self.playerToRating = {}
self.playerToRD = {}
self.playerToT = {}
for f in ['players.dat', 'games.dat']:
if not os.path.exists(f):
return
self.readInPlayers();
def readInPlayers(self):
self.playerToRating = {}
self.playerToRD = {}
self.playerToT = {}
fp = open("players.dat")
lines = fp.read().split("\n")
fp.close()
for l in lines:
#print "trying to match on -%s-" % l
m = re.match(r'^(.*) (\d+) (\d+) (\d+)$', l)
if not m:
continue
[player, rating, rd, t] = [m.group(1), int(m.group(2)), int(m.group(3)), int(m.group(4))]
self.playerToRating[player] = rating
self.playerToRD[player] = rd
self.playerToT[player] = t
def writeOutPlayers(self):
fp = open("players.dat", "w+")
for player in self.playerToRating:
fp.write("%s %d %d %d\n" % (player, self.playerToRating[player], \
self.playerToRD[player], self.playerToT[player]))
fp.close()
def getPlayerList(self):
return self.playerToRating.keys();
def getPlayerRating(self, name):
return self.playerToRating[name]
def getPlayerRD(self, name):
return self.playerToRD[name]
def getPlayerT(self, name):
return self.playerToT[name]
def getPlayerStats(self, name):
return [self.playerToRating[name], self.playerToRD[name], \
self.playerToT[name]]
def setPlayerRating(self, name, r):
self.playerToRating[name] = r
self.writeOutPlayers()
def setPlayerRD(self, name, rd):
self.playerToRD[name] = r
self.writeOutPlayers()
def setPlayerT(self, name, t):
self.playerToT[name] = t
self.writeOutPlayers()
def setPlayerStats(self, name, listStats):
self.playerToRating[name] = listStats[0]
self.playerToRD[name] = listStats[1]
self.playerToT[name] = listStats[2]
self.writeOutPlayers()
def addPlayer(self, name, rating=1000, rd=350):
self.setPlayerStats(name, [rating, rd, 0])
# returns a row from the database - currently we define row as:
# [date, teamAwhitePlayer, teamAwhitePlayerRating,
# teamAblackPlayer, teamAblackPlayerRating,
# teamBwhitePlayer, teamBwhitePlayerRating,
# teamBblackPlayer, teamBblackPlayerRating]
#
# where, by convention, teamA are the winners, teamB are the losers
def getGames(self, since=0):
games = []
fp = open("games.dat", 'r')
while(1):
line = fp.readline().rstrip()
if not line:
break;
print "tryign to match -%s-" % line
m = re.match(r'^(\d+) (.*)\((\d+)\.(\d+)\),(.*)\((\d+)\.(\d+)\) > (.*)\((\d+)\.(\d+)\),(.*)\((\d+)\.(\d+)\)$', line)
[t, \
teamAWhite, tawRating, tawRD, \
teamABlack, tabRating, tabRD, \
teamBBlack, tbbRating, tbbRD, \
teamBWhite, tbwRating, tbwRD ] = map(lambda x : m.group(x+1), range(13))
[t, tawRating, tawRD, tabRating, tabRD, tbwRating, tbwRD, tbbRating, tbbRD] = \
map(lambda x : int(x), [t, tawRating, tawRD, tabRating, tabRD, tbwRating, tbwRD, tbbRating, tbbRD])
games.append({'t':t, \
'a1':teamAWhite, 'a1_r':tawRating, 'a1_rd':tawRD, \
'a2':teamABlack, 'a2_r':tabRating, 'a2_rd':tabRD, \
'b1':teamBBlack, 'b1_r':tbbRating, 'b1_rd':tbbRD, \
'b2':teamBWhite, 'b2_r':tbwRating, 'b2_rd':tbwRD})
return games
# retrieve all games that had player involved in it
def getGamesByPlayer(self, name, since=0):
return None
# record game
def recordGame(self, data):
fp = open("games.dat", 'a')
fp.write("%d %s(%d.%d),%s(%d.%d) > %s(%d.%d),%s(%d.%d)\n" % (data['t'], \
data['a1'], data['a1_r'], data['a1_rd'], \
data['a2'], data['a2_r'], data['a2_rd'], \
data['b1'], data['b1_r'], data['b1_rd'], \
data['b2'], data['b2_r'], data['b2_rd'] \
))
fp.close()
pass
def modifyGame(self, data):
pass
def init(self):
for f in ['players.dat', 'games.dat']:
if not os.path.exists(f):
fp = open(f, 'w+')
fp.close()
self.readInPlayers()
def clear(self):
for f in ['players.dat', 'games.dat']:
fp = open(f, "w+")
fp.close()
self.readInPlayers()