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# -*- coding: utf-8 -*-
import re
"""See: http://www.unix-ag.uni-kl.de/~chess/gicshelp/node197.html"""
COLOUR_BLACK = 'B'
COLOUR_WHITE = 'W'
RELATIONSHIP_PLAYING_OPPONENT_MOVE = '-1'
RELATIONSHIP_PLAYING_MY_MOVE = '1'
RELATIONSHIP_OBSERVER_EXAMINED = '-2'
RELATIONSHIP_OBSERVER = '0'
RELATIONSHIP_EXAMINER = '2'
#<12> rnbqkbnr pppppppp -------- -------- -------- -------- PPPPPPPP RNBQKBNR W -1 1 1 1 1 0 89 GuestGLQF GuestPSVJ 1 2 12 39 39 120 120 1 none (0:00) none 0 0 0
#<12>
#rnbqkbnr
#pppppppp
#--------
#--------
#--------
#--------
#PPPPPPPP
#RNBQKBNR
#W
#-1
#1
#1
#1
#1
#0
#89
#GuestGLQF
#GuestPSVJ
#1
#2
#12
#39
#39
#120
#120
#1
#none
#(0:00)
#none
#0
#0
#0
movePattern = re.compile('<12> ' +
'([prnbqkPRNBQK-]{8}) ' +
'([prnbqkPRNBQK-]{8}) ' +
'([prnbqkPRNBQK-]{8}) ' +
'([prnbqkPRNBQK-]{8}) ' +
'([prnbqkPRNBQK-]{8}) ' +
'([prnbqkPRNBQK-]{8}) ' +
'([prnbqkPRNBQK-]{8}) ' +
'([prnbqkPRNBQK-]{8}) ' +
'([BW]{1}) ' + # Colour to move
'([-]?\d+) ' + # Pawn file or -1
'([01]{1}) ' + # Can white short castle
'([01]{1}) ' + # Can white long castle
'([01]{1}) ' + # Can black short castle
'([01]{1}) ' + # Can black long castle
'(\d+) ' + # Number of irreversable moves
'(\d+) ' + # Game number
'(.+) ' + # White name
'(.+) ' + # Black name
'([-]?\d+) ' + # Relationship to game (-2, 2, -1, 1, 0)
'(\d+) ' +
'(\d+) ' +
'(\d+) ' + # White strength
'(\d+) ' + # Black strength
'(\d+) ' + # White time
'(\d+) ' + # Black black
'(\d+) ' + # Move number
'(.+) ' + # Move
'[(](\d+)[:](\d+)[)] ' + # Move duration
'(.+) ' + # Pretty move
'([01]{1})' +
'([01]{1})' +
'([01]{1})')
def _decodeFile(string):
# FIXME: Only allow 'prnbqkPRNBQK-'
return string
def _decodeColour(string):
if string == 'B' or string == 'W':
return string
raise ValueError()
def _decodeInteger(string):
return int(string)
def _decodeUInteger(string):
i = int(string)
if i < 0:
raise ValueError()
return i
def _decodeTime(string):
# FIXME: In form '(mm:ss)'
return 0
def _decodeString(string):
return string
def _decodeBoolean(string):
if string == '0':
return False
if string == '1':
return True
raise ValueError()
fields = [_decodeFile, _decodeFile, _decodeFile, _decodeFile, _decodeFile, _decodeFile, _decodeFile, _decodeFile,
_decodeColour, _decodeInteger,
_decodeBoolean, _decodeBoolean, _decodeBoolean, _decodeBoolean,
_decodeUInteger, _decodeUInteger,
_decodeString, _decodeString,
_decodeInteger,
_decodeUInteger, _decodeUInteger,
_decodeUInteger, _decodeUInteger,
_decodeUInteger, _decodeUInteger,
_decodeUInteger, _decodeString, _decodeTime, _decodeString,
_decodeBoolean]
class Player:
"""
"""
name = ''
canCastleShort = False
canCastleLong = False
strength = 0
# Remaining time
remaining = 0
class Move:
"""
"""
# The state of the board
board = None
# The relationship of this reader to the game
relationship = None
# The game number
gameNumber = 0
startTime = 0 # s
increment = 0 # ms
# ?
nReversibleMoves = 0
# The player states
white = None
black = None
# The previous move
move = ''
movePretty = ''
marchFile = -1
moveTime = 0 # seconds
# The number of the move to make
moveNumber = 0
colourToMove = None
# ?
flip = None
def __init__(self):
self.white = Player()
self.black = Player()
def decode(line):
"""
"""
tokens = line.split()[1:]
if len(tokens) < len(fields):
raise ValueError('Too few fields')
out = []
for i in xrange(len(fields)):
try:
out.append(fields[i](tokens[i]))
except ValueError:
raise ValueError('Invalid field: %s' % tokens[i])
m = Move()
(file1, file2, file3, file4, file5, file6, file7, file8,
moveColour, pushFile,
whiteCastleShort, whiteCastleLong, blackCastleShort, blackCastleLong,
nIrreversableMoves, m.gameNumber,
m.white.name, m.black.name,
m.relationship,
initialTime, incrementTime,
m.white.strength, m.black.strength,
m.white.remaining, m.black.remaining,
m.moveNumber, m.move, m.moveTime, m.movePretty,
orientation) = out
m.board = (file1, file2, file3, file4, file5, file6, file7, file8)
return m
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