def __init__(self, board_control):
self.queue = Queue()
self.board_control = board_control
self.board_control.connect(
"action", lambda bc, action, param: self.queue.put(
(action, param)))
self.board_control.connect("piece_moved", self.piece_moved)
class DummyTelnet():
def __init__(self):
self.Q = Queue()
self.name = "dummytelnet"
def putline(self, line):
self.Q.put(line)
def write(self, text):
pass
def readline(self):
return self.Q.get_nowait()
def __init__ (self, store, tv, boardview):
Thread.__init__(self, name=fident(self.run))
self.daemon = True
# FIXME 'Advisor.name = ...' in Advisor.__init__ overwrites Thread.name
Advisor.__init__(self, store, _("Endgame Table"), ENDGAME)
self.egtb = EndgameTable()
self.tv = tv
self.boardview = boardview
self.tooltip = _("The endgame table will show exact analysis when there are few pieces on the board.")
# TODO: Show a message if tablebases for the position exist but are neither installed nor allowed.
self.egtb.connect("scored", self.on_scored)
self.queue = Queue()
self.start()
def __init__(self, timemodel=None, variant=NormalChess):
GObject.GObject.__init__(self)
Thread.__init__(self, name=fident(self.run))
self.daemon = True
self.variant = variant
self.boards = [variant.board(setup=True)]
self.moves = []
self.scores = {}
self.players = []
self.gameno = None
self.variations = [self.boards]
self.status = WAITING_TO_START
self.reason = UNKNOWN_REASON
if timemodel is None:
self.timemodel = TimeModel()
else:
self.timemodel = timemodel
self.connections = defaultdict(list) # mainly for IC subclasses
now = datetime.datetime.now()
self.tags = {
"Event": _("Local Event"),
"Site": _("Local Site"),
"Round": 1,
"Year": now.year,
"Month": now.month,
"Day": now.day,
"Time": "%02d:%02d:00" % (now.hour, now.minute),
"Result": "*",
}
self.endstatus = None
self.timed = self.timemodel.secs != 0 or self.timemodel.gain != 0
if self.timed:
self.tags["TimeControl"] = \
"%d+%d" % (self.timemodel.minutes*60, self.timemodel.gain)
# Notice: tags["WhiteClock"] and tags["BlackClock"] are never set
# on the gamemodel, but simply written or read during saving/
# loading from pgn. If you want to know the time left for a player,
# check the time model.
# Keeps track of offers, so that accepts can be spotted
self.offers = {}
# True if the game has been changed since last save
self.needsSave = False
# The uri the current game was loaded from, or None if not a loaded game
self.uri = None
self.spectators = {}
self.applyingMoveLock = RLock()
self.undoLock = RLock()
self.undoQueue = Queue()
class SetupPlayer:
__type__ = LOCAL
def __init__(self, board_control):
self.queue = Queue()
self.board_control = board_control
self.board_control.connect(
"action", lambda bc, action, param: self.queue.put(
(action, param)))
self.board_control.connect("piece_moved", self.piece_moved)
def make_move(self):
item = self.queue.get(block=True)
return item
def piece_moved(self, board, move, color):
self.queue.put((SetupMove(move), color))
class DummyPlayer(Player):
def __init__(self):
Player.__init__(self)
self.Q = Queue()
self.__type__ = LOCAL
def makeMove(self, board1, move, board2):
r = self.Q.get()
if r == "del": raise PlayerIsDead
if r == "int": raise TurnInterrupt
def undoMoves(self, moves, gamemodel):
self.Q.put('int')
def end(self, status, reason):
self.Q.put('del')
def kill(self, reason):
self.Q.put('del')
def pause(self):
pass
def resume(self):
pass
def offer(self, offer):
self.emit('accept', offer)
def __init__(self, subprocess, color, protover, md5):
ProtocolEngine.__init__(self, subprocess, color, protover, md5)
self.ids = {}
self.options = {}
self.optionsToBeSent = {}
self.wtime = 60000
self.btime = 60000
self.incr = 0
self.moves = 0
self.timeHandicap = 1
self.moveLock = RLock()
# none of the following variables should be changed or used in a
# condition statement without holding the above self.moveLock
self.ponderOn = False
self.pondermove = None
self.ignoreNext = False
self.waitingForMove = False
self.needBestmove = False
self.readyForStop = False # keeps track of whether we already sent a 'stop' command
self.multipvSetting = conf.get("multipv",
1) # MultiPV option sent to the engine
self.multipvExpected = 1 # Number of PVs expected (limited by number of legal moves)
self.commands = collections.deque()
self.gameBoard = Board(
setup=True) # board at the end of all moves played
self.board = Board(setup=True) # board to send the engine
self.uciPosition = "startpos"
self.uciPositionListsMoves = False
self.analysis = [None]
self.returnQueue = Queue()
self.line_cid = self.engine.connect("line", self.parseLine)
self.died_cid = self.engine.connect("died", self.__die)
self.invalid_move = None
self.cids = [
self.connect("readyForOptions", self.__onReadyForOptions_before),
self.connect_after("readyForOptions", self.__onReadyForOptions),
self.connect_after("readyForMoves", self.__onReadyForMoves),
]
def __init__ (self, gmwidg, color, name, ichandle=None, icrating=None):
Player.__init__(self)
self.defname = "Human"
self.board = gmwidg.board
self.gmwidg = gmwidg
self.gamemodel = self.board.view.model
self.queue = Queue()
self.color = color
self.conid = [
self.board.connect("piece_moved", self.piece_moved),
self.board.connect("action", lambda b,action,param: self.emit_action(action, param))
]
self.setName(name)
self.ichandle = ichandle
self.icrating = icrating
if self.gamemodel.timed:
self.gamemodel.timemodel.connect('zero_reached', self.zero_reached)
def __init__(self, gmwidg, color, name, ichandle=None, icrating=None):
Player.__init__(self)
self.defname = "Human"
self.board = gmwidg.board
self.gmwidg = gmwidg
self.gamemodel = self.gmwidg.gamemodel
self.queue = Queue()
self.color = color
self.board_cids = [
self.board.connect("piece_moved", self.piece_moved),
self.board.connect("action", self.emit_action)
]
self.setName(name)
self.ichandle = ichandle
self.icrating = icrating
if self.gamemodel.timed:
self.timemodel_cid = self.gamemodel.timemodel.connect('zero_reached', self.zero_reached)
self.cid = self.gamemodel.connect_after("game_terminated", self.on_game_terminated)
def __init__(self,
gamemodel,
ichandle,
gameno,
color,
name,
icrating=None):
Player.__init__(self)
self.offers = {}
self.queue = Queue()
self.okqueue = Queue()
self.setName(name)
self.ichandle = ichandle
self.icrating = icrating
self.color = color
self.gameno = gameno
self.gamemodel = gamemodel
# If some times later FICS creates another game with same wplayer,bplayer,gameno
# this will change to False and boardUpdate messages will be ignored
self.current = True
self.connection = connection = self.gamemodel.connection
self.connections = connections = defaultdict(list)
connections[connection.bm].append(
connection.bm.connect_after("boardUpdate", self.__boardUpdate))
connections[connection.bm].append(
connection.bm.connect_after("playGameCreated",
self.__playGameCreated))
connections[connection.bm].append(
connection.bm.connect_after("obsGameCreated",
self.__obsGameCreated))
connections[connection.om].append(
connection.om.connect("onOfferAdd", self.__onOfferAdd))
connections[connection.om].append(
connection.om.connect("onOfferRemove", self.__onOfferRemove))
connections[connection.om].append(
connection.om.connect("onOfferDeclined", self.__onOfferDeclined))
connections[connection.cm].append(
connection.cm.connect("privateMessage", self.__onPrivateMessage))
def cacheGladefile(filename):
""" Gtk.Builder automatically caches the file, so we only need to use this
file once """
if filename not in cachedGlades:
cachedGlades[filename] = Queue()
def readit ():
builder = Gtk.Builder()
builder.set_translation_domain("pychess")
builder.add_from_file(addDataPrefix("glade/%s" % filename))
cachedGlades[filename].put(builder)
t = Thread(target=readit, name=fident(readit))
t.daemon = True
t.start()
class DummyCECPAnalyzerEngine(GObject.GObject):
__gsignals__ = {
"line": (GObject.SignalFlags.RUN_FIRST, None, (object,)),
"died": (GObject.SignalFlags.RUN_FIRST, None, ()),
}
def __init__(self):
GObject.GObject.__init__(self)
self.defname = 'Dummy'
self.Q = Queue()
def putline(self, line):
self.emit('line', line)
def write(self, text):
if text.strip() == 'protover 2':
self.emit('line', 'feature setboard=1 analyze=1 ping=1 draw=0 sigint=0 done=1')
pass
def readline(self):
return self.Q.get()
class Publisher(Thread):
""" Publisher can be used when a thread is often spitting out results,
and you want to process these results in gtk as soon as possible.
While waiting for gdk access, results will be stored, and depending on
the send policy, either the entire list, or only the last item will be
sent as an argument to the function specified in the __init__ """
SEND_LIST, SEND_LAST = range(2)
def __init__(self, func, thread_namer, sendPolicy):
Thread.__init__(self, name=get_threadname(thread_namer))
self.daemon = True
self.queue = Queue()
self.func = func
self.sendPolicy = sendPolicy
def run(self):
while True:
v = self.queue.get()
if v == self.StopNow:
break
glock.acquire()
try:
l = [v]
while True:
try:
v = self.queue.get_nowait()
except Empty:
break
else:
if v == self.StopNow:
break
l.append(v)
if self.sendPolicy == self.SEND_LIST:
self.func(l)
elif self.sendPolicy == self.SEND_LAST:
self.func(l[-1])
finally:
glock.release()
if v == self.StopNow:
break
def put(self, task):
self.queue.put(task)
def _del(self):
self.queue.put(self.StopNow)
class StopNow(Exception):
pass
class SetupPlayer:
__type__ = LOCAL
def __init__(self, board_control):
self.queue = Queue()
self.board_control = board_control
self.board_control.connect("action", self.on_action)
self.board_control.connect("piece_moved", self.piece_moved)
def on_action(self, bc, action, param):
self.queue.put((action, param))
if action == "SETUP":
# force both virtual player to make_move()
self.queue.put((action, param))
def make_move(self):
item = self.queue.get(block=True)
return item
def piece_moved(self, board, move, color):
self.queue.put((SetupMove(move), color))
def _put(self, item):
Queue._put(self, item)
self.unfinished_tasks += 1
def __init__(self):
Player.__init__(self)
self.Q = Queue()
self.__type__ = LOCAL
def __init__(self, func, thread_namer, sendPolicy):
Thread.__init__(self, name=get_threadname(thread_namer))
self.daemon = True
self.queue = Queue()
self.func = func
self.sendPolicy = sendPolicy
class EndgameAdvisor(Advisor, Thread):
def __init__(self, store, tv, boardview):
Thread.__init__(self, name=fident(self.run))
self.daemon = True
# FIXME 'Advisor.name = ...' in Advisor.__init__ overwrites Thread.name
Advisor.__init__(self, store, _("Endgame Table"), ENDGAME)
self.egtb = EndgameTable()
# If mate in # was activated by double click let egtb do the rest
self.auto_activate = False
self.tv = tv
self.boardview = boardview
self.tooltip = _(
"The endgame table will show exact analysis when there are few pieces on the board."
)
# TODO: Show a message if tablebases for the position exist but are neither installed nor allowed.
self.cid = self.egtb.connect("scored", self.on_scored)
self.queue = Queue()
self.start()
class StopNow(Exception):
pass
def run(self):
while True:
v = self.queue.get()
if v == self.StopNow:
break
elif v == self.board.board:
self.egtb.scoreAllMoves(v)
self.queue.task_done()
def shownChanged(self, boardview, shown):
m = boardview.model
if m is None:
return
if m.isPlayingICSGame():
return
self.parent = self.empty_parent()
self.board = m.getBoardAtPly(shown, boardview.shown_variation_idx)
self.queue.put(self.board.board)
def _del(self):
self.egtb.disconnect(self.cid)
try:
self.queue.put_nowait(self.StopNow)
except Full:
log.warning("EndgameAdvisor.gamewidget_closed: Queue.Full")
@idle_add
def on_scored(self, w, ret):
m = self.boardview.model
if m.isPlayingICSGame():
return
board, endings = ret
if board != self.board.board:
return
for move, result, depth in endings:
if result == DRAW:
result = (_("Draw"), 1, 0.5)
details = ""
elif (result == WHITEWON) ^ (self.board.color == WHITE):
result = (_("Loss"), 1, 0.0)
details = _("Mate in %d") % depth
else:
result = (_("Win"), 1, 1.0)
details = _("Mate in %d") % depth
self.store.append(self.parent, [(self.board, move, None), result,
0, False, details, False, False])
self.tv.expand_row(Gtk.TreePath(self.path), False)
if self.auto_activate:
path = None
for i, row in enumerate(self.store):
if row[4] == self.name:
path = Gtk.TreePath.new_from_indices((i, 0))
break
if path is not None:
self.row_activated(self.tv.get_model().get_iter(path),
m,
from_gui=False)
def row_activated(self, iter, model, from_gui=True):
if self.store.get_path(iter) != Gtk.TreePath(self.path):
board, move, moves = self.store[iter][0]
if from_gui:
result = self.store[iter][1]
if result is not None and result[2] != 0.5:
# double click on mate in #
self.auto_activate = True
if board.board.next is None and not self.boardview.shownIsMainLine(
):
model.add_move2variation(board, move,
self.boardview.shown_variation_idx)
else:
model.add_variation(board, (move, ))
class CECPEngine(ProtocolEngine):
def __init__(self, subprocess, color, protover, md5):
ProtocolEngine.__init__(self, subprocess, color, protover, md5)
self.features = {
"ping": 0,
"setboard": 0,
"playother": 0,
"san": 0,
"usermove": 0,
"time": 1,
"draw": 1,
"sigint": 0,
"sigterm": 0,
"reuse": 0,
"analyze": 0,
"myname": ', '.join(self.defname),
"variants": None,
"colors": 1,
"ics": 0,
"name": 0,
"pause": 0,
"nps": 0,
"debug": 0,
"memory": 0,
"smp": 0,
"egt": '',
"option": '',
"exclude": 0,
"done": None,
}
self.supported_features = [
"ping", "setboard", "san", "usermove", "time", "draw", "sigint",
"analyze", "myname", "variants", "colors", "pause", "done", "egt",
"debug", "smp", "memory", "option"
]
self.options = {}
self.options["Ponder"] = {
"name": "Ponder",
"type": "check",
"default": False
}
self.name = None
self.board = Board(setup=True)
# if self.engineIsInNotPlaying == True, engine is in "force" mode,
# i.e. not thinking or playing, but still verifying move legality
self.engineIsInNotPlaying = False
self.engineIsAnalyzing = False
self.movenext = False
self.waitingForMove = False
self.readyForMoveNowCommand = False
self.timeHandicap = 1
self.lastping = 0
self.lastpong = 0
self.timeout = None
self.returnQueue = Queue()
self.engine.connect("line", self.parseLine)
self.engine.connect("died", lambda e: self.returnQueue.put("del"))
self.invalid_move = None
self.funcQueue = Queue()
self.optionQueue = []
self.boardLock = RLock()
self.undoQueue = []
self.analysis_timer = None
self.connect("readyForOptions", self.__onReadyForOptions_before)
self.connect_after("readyForOptions", self.__onReadyForOptions)
self.connect_after("readyForMoves", self.__onReadyForMoves)
#===========================================================================
# Starting the game
#===========================================================================
def prestart(self):
print("xboard", file=self.engine)
if self.protover == 1:
# start a new game (CECPv1 engines):
print("new", file=self.engine)
# we are now ready for options:
self.emit("readyForOptions")
elif self.protover == 2:
# start advanced protocol initialisation:
print("protover 2", file=self.engine)
# we don't start a new game for CECPv2 here,
# we will do it after feature accept/reject is completed.
# set timeout for feature accept/reject:
self.timeout = time.time() + TIME_OUT_FIRST
def start(self):
if self.mode in (ANALYZING, INVERSE_ANALYZING):
t = Thread(target=self.__startBlocking,
name=fident(self.__startBlocking))
t.daemon = True
t.start()
else:
self.__startBlocking()
def __startBlocking(self):
if self.protover == 1:
self.emit("readyForMoves")
if self.protover == 2:
try:
r = self.returnQueue.get(True,
max(self.timeout - time.time(), 0))
if r == "not ready":
# The engine has sent done=0, and parseLine has added more
# time to self.timeout
r = self.returnQueue.get(
True, max(self.timeout - time.time(), 0))
# Gaviota sends done=0 after "xboard" and after "protover 2" too
if r == "not ready":
r = self.returnQueue.get(
True, max(self.timeout - time.time(), 0))
except Empty:
log.warning("Got timeout error", extra={"task": self.defname})
self.emit("readyForOptions")
self.emit("readyForMoves")
else:
if r == 'del':
raise PlayerIsDead
assert r == "ready"
def __onReadyForOptions_before(self, self_):
self.readyOptions = True
def __onReadyForOptions(self, self_):
# This is no longer needed
#self.timeout = time.time()
# We always want post turned on so the Engine Output sidebar can
# show those things -Jonas Thiem
print("post", file=self.engine)
for command in self.optionQueue:
print(command, file=self.engine)
def __onReadyForMoves(self, self_):
# If we are an analyzer, this signal was already called in a different
# thread, so we can safely block it.
if self.mode in (ANALYZING, INVERSE_ANALYZING):
# workaround for crafty not sending analysis after it has found a mating line
# http://code.google.com/p/pychess/issues/detail?id=515
if "crafty" in self.features["myname"].lower():
print("noise 0", file=self.engine)
self.__sendAnalyze(self.mode == INVERSE_ANALYZING)
self.readyMoves = True
semisynced(lambda s: None)(self)
#===========================================================================
# Ending the game
#===========================================================================
@semisynced
def end(self, status, reason):
if self.connected:
# We currently can't fillout the comment "field" as the repr strings
# for reasons and statuses lies in Main.py
# Creating Status and Reason class would solve this
if status == DRAW:
print("result 1/2-1/2 {?}", file=self.engine)
elif status == WHITEWON:
print("result 1-0 {?}", file=self.engine)
elif status == BLACKWON:
print("result 0-1 {?}", file=self.engine)
else:
print("result * {?}", file=self.engine)
if reason == WON_ADJUDICATION:
self.returnQueue.put("invalid")
# Make sure the engine exits and do some cleaning
self.kill(reason)
def kill(self, reason):
""" Kills the engine, starting with the 'quit' command, then sigterm and
eventually sigkill.
Returns the exitcode, or if engine have already been killed, returns
None """
if self.connected:
self.connected = False
try:
try:
print("quit", file=self.engine)
self.returnQueue.put("del")
self.engine.gentleKill()
except OSError as e:
# No need to raise on a hang up error, as the engine is dead
# anyways
if e.errno == 32:
log.warning("Hung up Error",
extra={"task": self.defname})
return e.errno
else:
raise
finally:
# Clear the analyzed data, if any
self.emit("analyze", [])
if self.analysis_timer is not None:
self.analysis_timer.cancel()
self.analysis_timer.join()
#===========================================================================
# Send the player move updates
#===========================================================================
def setBoard(self, board):
self.setBoardList([board], [])
self.__sendAnalyze(self.mode == INVERSE_ANALYZING)
@semisynced
def putMove(self, board1, move, board2):
""" Sends the engine the last move made (for spectator engines).
@param board1: The current board
@param move: The last move made
@param board2: The board before the last move was made
"""
self.setBoardList([board1], [])
self.__sendAnalyze(self.mode == INVERSE_ANALYZING)
def makeMove(self, board1, move, board2):
""" Gets a move from the engine (for player engines).
@param board1: The current board
@param move: The last move made
@param board2: The board before the last move was made
@return: The move the engine decided to make
"""
log.debug("makeMove: move=%s self.movenext=%s board1=%s board2=%s self.board=%s" % \
(move, self.movenext, board1, board2, self.board), extra={"task":self.defname})
assert self.readyMoves
self.boardLock.acquire()
try:
if self.board == board1 or not board2 or self.movenext:
self.board = board1
self.__tellEngineToPlayCurrentColorAndMakeMove()
self.movenext = False
else:
self.board = board1
self.__usermove(board2, move)
if self.engineIsInNotPlaying:
self.__tellEngineToPlayCurrentColorAndMakeMove()
finally:
self.boardLock.release()
self.waitingForMove = True
self.readyForMoveNowCommand = True
# Parse outputs
r = self.returnQueue.get()
if r == "not ready":
log.warning(
"Engine seems to be protover=2, but is treated as protover=1",
extra={"task": self.defname})
r = self.returnQueue.get()
if r == "ready":
r = self.returnQueue.get()
if r == "invalid":
raise InvalidMove
if r == "del":
raise PlayerIsDead("Killed by foreign forces")
if r == "int":
raise TurnInterrupt
self.waitingForMove = False
self.readyForMoveNowCommand = False
assert isinstance(r, Move), r
return r
@semisynced
def updateTime(self, secs, opsecs):
if self.features["time"]:
print("time %s" % int(secs * 100 * self.timeHandicap),
file=self.engine)
print("otim %s" % int(opsecs * 100), file=self.engine)
#===========================================================================
# Standard options
#===========================================================================
def setOptionAnalyzing(self, mode):
self.mode = mode
def setOptionInitialBoard(self, model):
# We don't use the optionQueue here, as set board prints a whole lot of
# stuff. Instead we just call it, and let semisynced handle the rest.
self.setBoardList(model.boards[:], model.moves[:])
@semisynced
def setBoardList(self, boards, moves):
# Notice: If this method is to be called while playing, the engine will
# need 'new' and an arrangement similar to that of 'pause' to avoid
# the current thought move to appear
self.boardLock.acquire()
try:
if self.mode not in (ANALYZING, INVERSE_ANALYZING):
self.__tellEngineToStopPlayingCurrentColor()
self.__setBoard(boards[0])
self.board = boards[-1]
for board, move in zip(boards[:-1], moves):
self.__usermove(board, move)
if self.mode in (ANALYZING, INVERSE_ANALYZING):
self.board = boards[-1]
if self.mode == INVERSE_ANALYZING:
self.board = self.board.switchColor()
# The called of setBoardList will have to repost/analyze the
# analyzer engines at this point.
finally:
self.boardLock.release()
def setOptionVariant(self, variant):
if self.features["variants"] is None:
log.warning("setOptionVariant: engine doesn't support variants",
extra={"task": self.defname})
return
if variant in variants.values() and not variant.standard_rules:
assert variant.cecp_name in self.features["variants"], \
"%s doesn't support %s variant" % (self, variant.cecp_name)
self.optionQueue.append("variant %s" % variant.cecp_name)
#==================================================#
# Strength system #
#==================================================#
# Strength Depth Ponder Time handicap #
# 1 1 o 1,258% #
# 2 2 o 1,584% #
# 3 3 o 1.995% #
# #
# 19 o x 79,43% #
# 20 o x o #
#==================================================#
def setOptionStrength(self, strength, forcePonderOff):
self.strength = strength
if strength <= 19:
self.__setTimeHandicap(0.01 * 10**(strength / 10.))
if strength <= 18:
self.__setDepth(strength)
# Crafty ofers 100 skill levels
if "crafty" in self.features["myname"].lower() and strength <= 19:
self.optionQueue.append("skill %s" % strength * 5)
self.__setPonder(strength >= 19 and not forcePonderOff)
if strength == 20:
if "gaviota" in self.features["egt"]:
self.optionQueue.append("egtpath gaviota %s" %
conf.get("egtb_path", ""))
else:
self.optionQueue.append("random")
def __setDepth(self, depth):
self.optionQueue.append("sd %d" % depth)
def __setTimeHandicap(self, timeHandicap):
self.timeHandicap = timeHandicap
def __setPonder(self, ponder):
if ponder:
self.optionQueue.append("hard")
else:
self.optionQueue.append("hard")
self.optionQueue.append("easy")
def setOptionTime(self, secs, gain):
# Notice: In CECP we apply time handicap in updateTime, not in
# setOptionTime.
minutes = int(secs / 60)
secs = int(secs % 60)
s = str(minutes)
if secs:
s += ":" + str(secs)
self.optionQueue.append("level 0 %s %d" % (s, gain))
#===========================================================================
# Option handling
#===========================================================================
def setOption(self, key, value):
""" Set an option, which will be sent to the engine, after the
'readyForOptions' signal has passed.
If you want to know the possible options, you should go to
engineDiscoverer or use the getOption, getOptions and hasOption
methods, while you are in your 'readyForOptions' signal handler """
if self.readyMoves:
log.warning(
"Options set after 'readyok' are not sent to the engine",
extra={"task": self.defname})
if key == "cores":
self.optionQueue.append("cores %s" % value)
elif key == "memory":
self.optionQueue.append("memory %s" % value)
elif key.lower() == "ponder":
self.__setPonder(value == 1)
else:
self.optionQueue.append("option %s=%s" % (key, value))
#===========================================================================
# Interacting with the player
#===========================================================================
@semisynced
def pause(self):
""" Pauses engine using the "pause" command if available. Otherwise put
engine in force mode. By the specs the engine shouldn't ponder in
force mode, but some of them do so anyways. """
log.debug("pause: self=%s" % self, extra={"task": self.defname})
self.engine.pause()
return
if self.mode in (ANALYZING, INVERSE_ANALYZING):
return
if self.features["pause"]:
print("pause", file=self.engine)
elif self.board:
self.__tellEngineToStopPlayingCurrentColor()
self._blockTillMove()
@semisynced
def resume(self):
log.debug("resume: self=%s" % self, extra={"task": self.defname})
self.engine.resume()
return
if self.mode not in (ANALYZING, INVERSE_ANALYZING):
if self.features["pause"]:
print("features resume")
print("resume", file=self.engine)
elif self.board:
print("go resume")
self.__tellEngineToPlayCurrentColorAndMakeMove()
@semisynced
def hurry(self):
log.debug("hurry: self.waitingForMove=%s self.readyForMoveNowCommand=%s" % \
(self.waitingForMove, self.readyForMoveNowCommand), extra={"task":self.defname})
if self.waitingForMove and self.readyForMoveNowCommand:
self.__tellEngineToMoveNow()
self.readyForMoveNowCommand = False
@semisynced
def spectatorUndoMoves(self, moves, gamemodel):
log.debug("spectatorUndoMoves: moves=%s gamemodel.ply=%s gamemodel.boards[-1]=%s self.board=%s" % \
(moves, gamemodel.ply, gamemodel.boards[-1], self.board), extra={"task":self.defname})
for i in range(moves):
print("undo", file=self.engine)
self.board = gamemodel.boards[-1]
@semisynced
def playerUndoMoves(self, moves, gamemodel):
log.debug("playerUndoMoves: moves=%s gamemodel.ply=%s gamemodel.boards[-1]=%s self.board=%s" % \
(moves, gamemodel.ply, gamemodel.boards[-1], self.board), extra={"task":self.defname})
if gamemodel.curplayer != self and moves % 2 == 1:
# Interrupt if we were searching, but should no longer do so
self.returnQueue.put("int")
self.__tellEngineToStopPlayingCurrentColor()
for i in range(moves):
print("undo", file=self.engine)
if gamemodel.curplayer == self:
self.board = gamemodel.boards[-1]
self.__tellEngineToPlayCurrentColorAndMakeMove()
else:
self.board = None
#===========================================================================
# Offer handling
#===========================================================================
def offer(self, offer):
if offer.type == DRAW_OFFER:
if self.features["draw"]:
print("draw", file=self.engine)
else:
self.emit("accept", offer)
def offerError(self, offer, error):
if self.features["draw"]:
# We don't keep track if engine draws are offers or accepts. We just
# Always assume they are accepts, and if they are not, we get this
# error and emit offer instead
if offer.type == DRAW_OFFER and error == ACTION_ERROR_NONE_TO_ACCEPT:
self.emit("offer", Offer(DRAW_OFFER))
#===========================================================================
# Internal
#===========================================================================
def __usermove(self, board, move):
if self.features["usermove"]:
self.engine.write("usermove ")
if self.features["san"]:
print(toSAN(board, move), file=self.engine)
else:
cn = CASTLE_KK
if board.variant == FISCHERRANDOMCHESS:
cn = CASTLE_SAN
print(toAN(board, move, short=True, castleNotation=cn),
file=self.engine)
def __tellEngineToMoveNow(self):
if self.features["sigint"]:
self.engine.sigint()
print("?", file=self.engine)
def __tellEngineToStopPlayingCurrentColor(self):
print("force", file=self.engine)
self.engineIsInNotPlaying = True
def __tellEngineToPlayCurrentColorAndMakeMove(self):
self.__printColor()
print("go", file=self.engine)
self.engineIsInNotPlaying = False
def __sendAnalyze(self, inverse=False):
if inverse and self.board.board.opIsChecked():
# Many engines don't like positions able to take down enemy
# king. Therefore we just return the "kill king" move
# automaticaly
self.emit("analyze",
[([toAN(self.board, getMoveKillingKing(self.board))
], MATE_VALUE - 1, "")])
return
def stop_analyze():
if self.engineIsAnalyzing:
print("exit", file=self.engine)
# Some engines (crafty, gnuchess) doesn't respond to exit command
# we try to force them to stop with an empty board fen
print("setboard 8/8/8/8/8/8/8/8 w - - 0 1", file=self.engine)
self.engineIsAnalyzing = False
print("post", file=self.engine)
print("analyze", file=self.engine)
self.engineIsAnalyzing = True
if self.analysis_timer is not None:
self.analysis_timer.cancel()
self.analysis_timer.join()
self.analysis_timer = Timer(conf.get("max_analysis_spin", 3),
stop_analyze)
self.analysis_timer.start()
def __printColor(self):
if self.features["colors"]: #or self.mode == INVERSE_ANALYZING:
if self.board.color == WHITE:
print("white", file=self.engine)
else:
print("black", file=self.engine)
def __setBoard(self, board):
if self.features["setboard"]:
self.__tellEngineToStopPlayingCurrentColor()
fen = board.asFen(enable_bfen=False)
if self.mode == INVERSE_ANALYZING:
fen_arr = fen.split()
if not self.board.board.opIsChecked():
if fen_arr[1] == "b":
fen_arr[1] = "w"
else:
fen_arr[1] = "b"
fen = " ".join(fen_arr)
print("setboard %s" % fen, file=self.engine)
else:
# Kludge to set black to move, avoiding the troublesome and now
# deprecated "black" command. - Equal to the one xboard uses
self.__tellEngineToStopPlayingCurrentColor()
if board.color == BLACK:
print("a2a3", file=self.engine)
print("edit", file=self.engine)
print("#", file=self.engine)
for color in WHITE, BLACK:
for y, row in enumerate(board.data):
for x, piece in enumerate(row):
if not piece or piece.color != color:
continue
sign = reprSign[piece.sign]
cord = repr(Cord(x, y))
print(sign + cord, file=self.engine)
print("c", file=self.engine)
print(".", file=self.engine)
def _blockTillMove(self):
saved_state = self.boardLock._release_save()
log.debug("_blockTillMove(): acquiring self.movecon lock",
extra={"task": self.defname})
self.movecon.acquire()
log.debug("_blockTillMove(): self.movecon acquired",
extra={"task": self.defname})
try:
log.debug("_blockTillMove(): doing self.movecon.wait",
extra={"task": self.defname})
self.movecon.wait()
finally:
log.debug("_blockTillMove(): releasing self.movecon..",
extra={"task": self.defname})
self.movecon.release()
self.boardLock._acquire_restore(saved_state)
#===========================================================================
# Parsing
#===========================================================================
def parseLine(self, engine, line):
if line[0:1] == "#":
# Debug line which we shall ignore as specified in CECPv2 specs
return
# log.debug("__parseLine: line=\"%s\"" % line.strip(), extra={"task":self.defname})
parts = whitespaces.split(line.strip())
if parts[0] == "pong":
self.lastpong = int(parts[1])
return
# Illegal Move
if parts[0].lower().find("illegal") >= 0:
log.warning("__parseLine: illegal move: line=\"%s\", board=%s" \
% (line.strip(), self.board), extra={"task":self.defname})
if parts[-2] == "sd" and parts[-1].isdigit():
print("depth", parts[-1], file=self.engine)
return
# A Move (Perhaps)
if self.board:
if parts[0] == "move":
movestr = parts[1]
# Old Variation
elif d_plus_dot_expr.match(parts[0]) and parts[1] == "...":
movestr = parts[2]
else:
movestr = False
if movestr:
log.debug("__parseLine: acquiring self.boardLock",
extra={"task": self.defname})
self.waitingForMove = False
self.readyForMoveNowCommand = False
self.boardLock.acquire()
try:
if self.engineIsInNotPlaying:
# If engine was set in pause just before the engine sent its
# move, we ignore it. However the engine has to know that we
# ignored it, and thus we step it one back
log.info("__parseLine: Discarding engine's move: %s" %
movestr,
extra={"task": self.defname})
print("undo", file=self.engine)
return
else:
try:
move = parseAny(self.board, movestr)
except ParsingError as e:
self.invalid_move = movestr
log.info(
"__parseLine: ParsingError engine move: %s %s"
% (movestr, self.board),
extra={"task": self.defname})
self.end(
WHITEWON if self.board.color == BLACK else
BLACKWON, WON_ADJUDICATION)
return
if validate(self.board, move):
self.board = None
self.returnQueue.put(move)
return
else:
self.invalid_move = movestr
log.info(
"__parseLine: can't validate engine move: %s %s"
% (movestr, self.board),
extra={"task": self.defname})
self.end(
WHITEWON if self.board.color == BLACK else
BLACKWON, WON_ADJUDICATION)
return
finally:
log.debug("__parseLine(): releasing self.boardLock",
extra={"task": self.defname})
self.boardLock.release()
self.movecon.acquire()
self.movecon.notifyAll()
self.movecon.release()
# Analyzing
if self.engineIsInNotPlaying:
if parts[:4] == ["0", "0", "0", "0"]:
# Crafty doesn't analyze until it is out of book
print("book off", file=self.engine)
return
match = anare.match(line)
if match:
depth, score, moves = match.groups()
if "mat" in score.lower() or "#" in moves:
# Will look either like -Mat 3 or Mat3
scoreval = MATE_VALUE
if score.startswith('-'):
scoreval = -scoreval
else:
scoreval = int(score)
mvstrs = movere.findall(moves)
if mvstrs:
self.emit("analyze", [(mvstrs, scoreval, depth.strip())])
return
# Offers draw
if parts[0:2] == ["offer", "draw"]:
self.emit("accept", Offer(DRAW_OFFER))
return
# Resigns
if parts[0] == "resign" or \
(parts[0] == "tellics" and parts[1] == "resign"): # buggy crafty
# Previously: if "resign" in parts,
# however, this is too generic, since "hint", "bk",
# "feature option=.." and possibly other, future CECPv2
# commands can validly contain the word "resign" without this
# being an intentional resign offer.
self.emit("offer", Offer(RESIGNATION))
return
#if parts[0].lower() == "error":
# return
#Tell User Error
if parts[0] == "tellusererror":
# We don't want to see our stop analyzer hack as an error message
if "8/8/8/8/8/8/8/8" in "".join(parts[1:]):
return
# Create a non-modal non-blocking message dialog with the error:
dlg = Gtk.MessageDialog(parent=None,
flags=0,
type=Gtk.MessageType.WARNING,
buttons=Gtk.ButtonsType.CLOSE,
message_format=None)
# Use the engine name if already known, otherwise the defname:
displayname = self.name
if not displayname:
displayname = self.defname
# Compose the dialog text:
dlg.set_markup(
GObject.markup_escape_text(
_("The engine %s reports an error:") % displayname) +
"\n\n" + GObject.markup_escape_text(" ".join(parts[1:])))
# handle response signal so the "Close" button works:
dlg.connect("response", lambda dlg, x: dlg.destroy())
dlg.show_all()
return
# Tell Somebody
if parts[0][:4] == "tell" and \
parts[0][4:] in ("others", "all", "ics", "icsnoalias"):
log.info("Ignoring tell %s: %s" %
(parts[0][4:], " ".join(parts[1:])))
return
if "feature" in parts:
# Some engines send features after done=1, so we will iterate after done=1 too
done1 = False
# We skip parts before 'feature', as some engines give us lines like
# White (1) : feature setboard=1 analyze...e="GNU Chess 5.07" done=1
parts = parts[parts.index("feature"):]
for i, pair in enumerate(parts[1:]):
# As "parts" is split with no thoughs on quotes or double quotes
# we need to do some extra handling.
if pair.find("=") < 0:
continue
key, value = pair.split("=", 1)
if not key in self.features:
continue
if value.startswith('"') and value.endswith('"'):
value = value[1:-1]
# If our pair was unfinished, like myname="GNU, we search the
# rest of the pairs for a quotating mark.
elif value[0] == '"':
rest = value[1:] + " " + " ".join(parts[2 + i:])
j = rest.find('"')
if j == -1:
log.warning("Missing endquotation in %s feature",
extra={"task": self.defname})
value = rest
else:
value = rest[:j]
elif value.isdigit():
value = int(value)
if key in self.supported_features:
print("accepted %s" % key, file=self.engine)
else:
print("rejected %s" % key, file=self.engine)
if key == "done":
if value == 1:
done1 = True
continue
elif value == 0:
log.info("Adds %d seconds timeout" % TIME_OUT_SECOND,
extra={"task": self.defname})
# This'll buy you some more time
self.timeout = time.time() + TIME_OUT_SECOND
self.returnQueue.put("not ready")
return
if key == "smp" and value == 1:
self.options["cores"] = {
"name": "cores",
"type": "spin",
"default": 1,
"min": 1,
"max": 64
}
elif key == "memory" and value == 1:
self.options["memory"] = {
"name": "memory",
"type": "spin",
"default": 32,
"min": 1,
"max": 4096
}
elif key == "option" and key != "done":
option = self.__parse_option(value)
self.options[option["name"]] = option
else:
self.features[key] = value
if key == "myname" and not self.name:
self.setName(value)
if done1:
# Start a new game before using the engine:
# (CECPv2 engines)
print("new", file=self.engine)
# We are now ready for play:
self.emit("readyForOptions")
self.emit("readyForMoves")
self.returnQueue.put("ready")
# A hack to get better names in protover 1.
# Unfortunately it wont work for now, as we don't read any lines from
# protover 1 engines. When should we stop?
if self.protover == 1:
if self.defname[0] in ''.join(parts):
basis = self.defname[0]
name = ' '.join(
itertools.dropwhile(lambda part: basis not in part, parts))
self.features['myname'] = name
if not self.name:
self.setName(name)
def __parse_option(self, option):
if " -check " in option:
name, value = option.split(" -check ")
return {"type": "check", "name": name, "default": bool(int(value))}
elif " -spin " in option:
name, value = option.split(" -spin ")
defv, minv, maxv = value.split()
return {
"type": "spin",
"name": name,
"default": int(defv),
"min": int(minv),
"max": int(maxv)
}
elif " -slider " in option:
name, value = option.split(" -slider ")
defv, minv, maxv = value.split()
return {
"type": "spin",
"name": name,
"default": int(defv),
"min": int(minv),
"max": int(maxv)
}
elif " -string " in option:
name, value = option.split(" -string ")
return {"type": "text", "name": name, "default": value}
elif " -file " in option:
name, value = option.split(" -file ")
return {"type": "text", "name": name, "default": value}
elif " -path " in option:
name, value = option.split(" -path ")
return {"type": "text", "name": name, "default": value}
elif " -combo " in option:
name, value = option.split(" -combo ")
choices = list(map(str.strip, value.split("///")))
default = ""
for choice in choices:
if choice.startswith("*"):
index = choices.index(choice)
default = choice[1:]
choices[index] = default
break
return {
"type": "combo",
"name": name,
"default": default,
"choices": choices
}
elif " -button" in option:
pos = option.find(" -button")
return {"type": "button", "name": option[:pos]}
elif " -save" in option:
pos = option.find(" -save")
return {"type": "button", "name": option[:pos]}
elif " -reset" in option:
pos = option.find(" -reset")
return {"type": "button", "name": option[:pos]}
#===========================================================================
# Info
#===========================================================================
def canAnalyze(self):
assert self.ready, "Still waiting for done=1"
return self.features["analyze"]
def maxAnalysisLines(self):
return 1
def requestMultiPV(self, setting):
return 1
def isAnalyzing(self):
return self.mode in (ANALYZING, INVERSE_ANALYZING)
def __repr__(self):
if self.name:
return self.name
return self.features["myname"]
def __init__(self):
self.Q = Queue()
self.name = "dummytelnet"
def __init__(self, board_control):
self.queue = Queue()
self.board_control = board_control
self.board_control.connect("action", self.on_action)
self.board_control.connect("piece_moved", self.piece_moved)
class EndgameAdvisor(Advisor, Thread):
def __init__(self, store, tv, boardview):
Thread.__init__(self, name=fident(self.run))
self.daemon = True
# FIXME 'Advisor.name = ...' in Advisor.__init__ overwrites Thread.name
Advisor.__init__(self, store, _("Endgame Table"), ENDGAME)
self.egtb = EndgameTable()
self.tv = tv
self.boardview = boardview
self.tooltip = _(
"The endgame table will show exact analysis when there are few pieces on the board."
)
# TODO: Show a message if tablebases for the position exist but are neither installed nor allowed.
self.egtb.connect("scored", self.on_scored)
self.queue = Queue()
self.start()
class StopNow(Exception):
pass
def run(self):
while True:
v = self.queue.get()
if v == self.StopNow:
break
elif v == self.board.board:
self.egtb.scoreAllMoves(v)
self.queue.task_done()
def shown_changed(self, boardview, shown):
m = boardview.model
if m.isPlayingICSGame():
return
self.parent = self.empty_parent()
self.board = m.getBoardAtPly(shown, boardview.shownVariationIdx)
self.queue.put(self.board.board)
def gamewidget_closed(self, gamewidget):
try:
self.queue.put_nowait(self.StopNow)
except Full:
log.warning("EndgameAdvisor.gamewidget_closed: Queue.Full")
@idle_add
def on_scored(self, w, ret):
m = self.boardview.model
if m.isPlayingICSGame():
return
board, endings = ret
if board != self.board.board:
return
for move, result, depth in endings:
if result == DRAW:
result = (_("Draw"), 1, 0.5)
details = ""
elif (result == WHITEWON) ^ (self.board.color == WHITE):
result = (_("Loss"), 1, 0.0)
details = _("Mate in %d") % depth
else:
result = (_("Win"), 1, 1.0)
details = _("Mate in %d") % depth
self.store.append(self.parent, [(self.board, move, None), result,
0, False, details, False, False])
self.tv.expand_row(Gtk.TreePath(self.path), False)
def __init__(self):
Queue.__init__(self)
self.all_tasks_done = threading.Condition(self.mutex)
self.unfinished_tasks = 0
def __init__(self, subprocess, color, protover, md5):
ProtocolEngine.__init__(self, subprocess, color, protover, md5)
self.features = {
"ping": 0,
"setboard": 0,
"playother": 0,
"san": 0,
"usermove": 0,
"time": 1,
"draw": 1,
"sigint": 0,
"sigterm": 0,
"reuse": 0,
"analyze": 0,
"myname": ', '.join(self.defname),
"variants": None,
"colors": 1,
"ics": 0,
"name": 0,
"pause": 0,
"nps": 0,
"debug": 0,
"memory": 0,
"smp": 0,
"egt": '',
"option": '',
"exclude": 0,
"done": None,
}
self.supported_features = [
"ping", "setboard", "san", "usermove", "time", "draw", "sigint",
"analyze", "myname", "variants", "colors", "pause", "done", "egt",
"debug", "smp", "memory", "option"
]
self.options = {}
self.options["Ponder"] = {
"name": "Ponder",
"type": "check",
"default": False
}
self.name = None
self.board = Board(setup=True)
# if self.engineIsInNotPlaying == True, engine is in "force" mode,
# i.e. not thinking or playing, but still verifying move legality
self.engineIsInNotPlaying = False
self.engineIsAnalyzing = False
self.movenext = False
self.waitingForMove = False
self.readyForMoveNowCommand = False
self.timeHandicap = 1
self.lastping = 0
self.lastpong = 0
self.timeout = None
self.returnQueue = Queue()
self.engine.connect("line", self.parseLine)
self.engine.connect("died", lambda e: self.returnQueue.put("del"))
self.invalid_move = None
self.funcQueue = Queue()
self.optionQueue = []
self.boardLock = RLock()
self.undoQueue = []
self.analysis_timer = None
self.connect("readyForOptions", self.__onReadyForOptions_before)
self.connect_after("readyForOptions", self.__onReadyForOptions)
self.connect_after("readyForMoves", self.__onReadyForMoves)
class ICPlayer(Player):
__type__ = REMOTE
def __init__(self,
gamemodel,
ichandle,
gameno,
color,
name,
icrating=None):
Player.__init__(self)
self.offers = {}
self.queue = Queue()
self.okqueue = Queue()
self.setName(name)
self.ichandle = ichandle
self.icrating = icrating
self.color = color
self.gameno = gameno
self.gamemodel = gamemodel
# If some times later FICS creates another game with same wplayer,bplayer,gameno
# this will change to False and boardUpdate messages will be ignored
self.current = True
self.connection = connection = self.gamemodel.connection
self.connections = connections = defaultdict(list)
connections[connection.bm].append(
connection.bm.connect_after("boardUpdate", self.__boardUpdate))
connections[connection.bm].append(
connection.bm.connect_after("playGameCreated",
self.__playGameCreated))
connections[connection.bm].append(
connection.bm.connect_after("obsGameCreated",
self.__obsGameCreated))
connections[connection.om].append(
connection.om.connect("onOfferAdd", self.__onOfferAdd))
connections[connection.om].append(
connection.om.connect("onOfferRemove", self.__onOfferRemove))
connections[connection.om].append(
connection.om.connect("onOfferDeclined", self.__onOfferDeclined))
connections[connection.cm].append(
connection.cm.connect("privateMessage", self.__onPrivateMessage))
def getICHandle(self):
return self.name
@property
def time(self):
return self.gamemodel.timemodel.getPlayerTime(self.color)
# Handle signals from the connection
def __playGameCreated(self, bm, ficsgame):
if self.gamemodel.ficsplayers[0] == ficsgame.wplayer and \
self.gamemodel.ficsplayers[1] == ficsgame.bplayer and \
self.gameno == ficsgame.gameno:
log.debug(
"ICPlayer.__playGameCreated: gameno reappeared: gameno=%s white=%s black=%s"
% (ficsgame.gameno, ficsgame.wplayer.name,
ficsgame.bplayer.name))
self.current = False
def __obsGameCreated(self, bm, ficsgame):
if self.gamemodel.ficsplayers[0] == ficsgame.wplayer and \
self.gamemodel.ficsplayers[1] == ficsgame.bplayer and \
self.gameno == ficsgame.gameno:
log.debug(
"ICPlayer.__obsGameCreated: gameno reappeared: gameno=%s white=%s black=%s"
% (ficsgame.gameno, ficsgame.wplayer.name,
ficsgame.bplayer.name))
self.current = False
def __onOfferAdd(self, om, offer):
if self.gamemodel.status in UNFINISHED_STATES and not self.gamemodel.isObservationGame(
):
log.debug(
"ICPlayer.__onOfferAdd: emitting offer: self.gameno=%s self.name=%s %s"
% (self.gameno, self.name, offer))
self.offers[offer.index] = offer
self.emit("offer", offer)
def __onOfferDeclined(self, om, offer):
for offer_ in list(self.gamemodel.offers.keys()):
if offer.type == offer_.type:
offer.param = offer_.param
log.debug("ICPlayer.__onOfferDeclined: emitting decline for %s" %
offer)
self.emit("decline", offer)
def __onOfferRemove(self, om, offer):
if offer.index in self.offers:
log.debug("ICPlayer.__onOfferRemove: emitting withdraw: \
self.gameno=%s self.name=%s %s" %
(self.gameno, self.name, offer))
self.emit("withdraw", self.offers[offer.index])
del self.offers[offer.index]
def __onPrivateMessage(self, cm, name, title, isadmin, text):
if name == self.ichandle:
self.emit("offer", Offer(CHAT_ACTION, param=text))
def __boardUpdate(self, bm, gameno, ply, curcol, lastmove, fen, wname,
bname, wms, bms):
log.debug(
"ICPlayer.__boardUpdate: id(self)=%d self=%s %s %s %s %d %d %s %s %d %d"
% (id(self), self, gameno, wname, bname, ply, curcol, lastmove,
fen, wms, bms))
if gameno == self.gameno and len(
self.gamemodel.players) >= 2 and self.current:
# LectureBot allways uses gameno 1 for many games in one lecture
# and wname == self.gamemodel.players[0].ichandle \
# and bname == self.gamemodel.players[1].ichandle \
log.debug(
"ICPlayer.__boardUpdate: id=%d self=%s gameno=%s: this is my move"
% (id(self), self, gameno))
# In some cases (like lost on time) the last move is resent
if ply <= self.gamemodel.ply:
return
if 1 - curcol == self.color and ply == self.gamemodel.ply + 1 and lastmove is not None:
log.debug("ICPlayer.__boardUpdate: id=%d self=%s ply=%d: \
putting move=%s in queue" %
(id(self), self, ply, lastmove))
self.queue.put((ply, lastmove))
# Ensure the fics thread doesn't continue parsing, before the
# game/player thread has received the move.
# Specifically this ensures that we aren't killed due to end of
# game before our last move is received
self.okqueue.get(block=True)
# Ending the game
def __disconnect(self):
if self.connections is None:
return
for obj in self.connections:
for handler_id in self.connections[obj]:
if obj.handler_is_connected(handler_id):
obj.disconnect(handler_id)
self.connections = None
def end(self, status, reason):
self.__disconnect()
self.queue.put("del")
def kill(self, reason):
self.__disconnect()
self.queue.put("del")
# Send the player move updates
def makeMove(self, board1, move, board2):
log.debug(
"ICPlayer.makemove: id(self)=%d self=%s move=%s board1=%s board2=%s"
% (id(self), self, move, board1, board2))
if board2 and not self.gamemodel.isObservationGame():
# TODO: Will this work if we just always use CASTLE_SAN?
castle_notation = CASTLE_KK
if board2.variant == FISCHERRANDOMCHESS:
castle_notation = CASTLE_SAN
self.connection.bm.sendMove(
toAN(board2, move, castleNotation=castle_notation))
item = self.queue.get(block=True)
try:
if item == "del":
raise PlayerIsDead
if item == "int":
raise TurnInterrupt
ply, sanmove = item
if ply < board1.ply:
# This should only happen in an observed game
board1 = self.gamemodel.getBoardAtPly(max(ply - 1, 0))
log.debug(
"ICPlayer.makemove: id(self)=%d self=%s from queue got: ply=%d sanmove=%s"
% (id(self), self, ply, sanmove))
try:
move = parseSAN(board1, sanmove)
log.debug(
"ICPlayer.makemove: id(self)=%d self=%s parsed move=%s" %
(id(self), self, move))
except ParsingError:
raise
return move
finally:
log.debug(
"ICPlayer.makemove: id(self)=%d self=%s returning move=%s" %
(id(self), self, move))
self.okqueue.put("ok")
# Interacting with the player
def pause(self):
pass
def resume(self):
pass
def setBoard(self, fen):
# setBoard will currently only be called for ServerPlayer when starting
# to observe some game. In this case FICS already knows how the board
# should look, and we don't need to set anything
pass
def playerUndoMoves(self, movecount, gamemodel):
log.debug(
"ICPlayer.playerUndoMoves: id(self)=%d self=%s, undoing movecount=%d"
% (id(self), self, movecount))
# If current player has changed so that it is no longer us to move,
# We raise TurnInterruprt in order to let GameModel continue the game
if movecount % 2 == 1 and gamemodel.curplayer != self:
self.queue.put("int")
def resetPosition(self):
""" Used in observed examined games f.e. when LectureBot starts another example"""
self.queue.put("int")
def putMessage(self, text):
self.connection.cm.tellPlayer(self.ichandle, text)
# Offer handling
def offerRematch(self):
if self.gamemodel.timed:
minimum = int(self.gamemodel.timemodel.intervals[0][0]) / 60
inc = self.gamemodel.timemodel.gain
else:
minimum = 0
inc = 0
self.connection.om.challenge(self.ichandle,
self.gamemodel.ficsgame.game_type,
minimum, inc,
self.gamemodel.ficsgame.rated)
def offer(self, offer):
log.debug("ICPlayer.offer: self=%s %s" % (repr(self), offer))
if offer.type == TAKEBACK_OFFER:
# only 1 outstanding takeback offer allowed on FICS, so remove any of ours
for index in list(self.offers.keys()):
if self.offers[index].type == TAKEBACK_OFFER:
log.debug("ICPlayer.offer: del self.offers[%s] %s" %
(index, offer))
del self.offers[index]
self.connection.om.offer(offer, self.gamemodel.ply)
def offerDeclined(self, offer):
log.debug("ICPlayer.offerDeclined: sending decline for %s" % offer)
self.connection.om.decline(offer)
def offerWithdrawn(self, offer):
pass
def offerError(self, offer, error):
pass
def observe(self):
self.connection.client.run_command("observe %s" % self.ichandle)
class Human (Player):
__type__ = LOCAL
__gsignals__ = {
"messageRecieved": (GObject.SignalFlags.RUN_FIRST, None, (str,)),
}
def __init__ (self, gmwidg, color, name, ichandle=None, icrating=None):
Player.__init__(self)
self.defname = "Human"
self.board = gmwidg.board
self.gmwidg = gmwidg
self.gamemodel = self.board.view.model
self.queue = Queue()
self.color = color
self.conid = [
self.board.connect("piece_moved", self.piece_moved),
self.board.connect("action", lambda b,action,param: self.emit_action(action, param))
]
self.setName(name)
self.ichandle = ichandle
self.icrating = icrating
if self.gamemodel.timed:
self.gamemodel.timemodel.connect('zero_reached', self.zero_reached)
#===========================================================================
# Handle signals from the board
#===========================================================================
def zero_reached (self, timemodel, color):
if conf.get('autoCallFlag', False) and \
self.gamemodel.status == RUNNING and \
timemodel.getPlayerTime(1-self.color) <= 0:
log.info('Automatically sending flag call on behalf of player %s.' % self.name)
self.emit("offer", Offer(FLAG_CALL))
def piece_moved (self, board, move, color):
if color != self.color:
return
self.queue.put(move)
def emit_action (self, action, param):
# If there are two or more tabs open, we have to ensure us that it is
# us who are in the active tab, and not the others
if not self.gmwidg.isInFront(): return
log.debug("Human.emit_action: self.name=%s, action=%s" % (self.name, action))
# If there are two human players, we have to ensure us that it was us
# who did the action, and not the others
if self.gamemodel.players[1-self.color].__type__ == LOCAL:
if action == HURRY_ACTION:
if self.gamemodel.boards[-1].color == self.color:
return
else:
if self.gamemodel.boards[-1].color != self.color:
return
self.emit("offer", Offer(action, param=param))
#===========================================================================
# Send the player move updates
#===========================================================================
def makeMove (self, board1, move, board2):
log.debug("Human.makeMove: move=%s, board1=%s board2=%s" % \
(move, board1, board2))
if self.board.view.premovePiece and self.board.view.premove0 and self.board.view.premove1 and \
self.color == self.board.view.premovePiece.color:
if validate(board1, Move(self.board.view.premove0, self.board.view.premove1, board1, promotion=self.board.view.premovePromotion)):
log.debug("Human.makeMove: Setting move to premove %s %s" % \
(self.board.view.premove0, self.board.view.premove1))
self.board.emit_move_signal(self.board.view.premove0, self.board.view.premove1, promotion=self.board.view.premovePromotion)
# reset premove
self.board.view.setPremove(None, None, None, None)
self.gmwidg.setLocked(False)
item = self.queue.get(block=True)
self.gmwidg.setLocked(True)
if item == "del":
raise PlayerIsDead("Killed by foreign forces")
if item == "int":
log.debug("Human.makeMove: %s: raise TurnInterrupt" % self)
raise TurnInterrupt
return item
#===========================================================================
# Ending the game
#===========================================================================
def end (self, status, reason):
self.queue.put("del")
def kill (self, reason):
print("I am killed", self)
for id in self.conid:
if self.board.handler_is_connected(id):
self.board.disconnect(id)
self.queue.put("del")
#===========================================================================
# Interacting with the player
#===========================================================================
def hurry (self):
title = _("Your opponent asks you to hurry!")
text = _("Generally this means nothing, as the game is time-based, but if you want to please your opponent, perhaps you should get going.")
content = InfoBar.get_message_content(title, text, Gtk.STOCK_DIALOG_INFO)
def response_cb (infobar, response, message):
message.dismiss()
message = InfoBarMessage(Gtk.MessageType.INFO, content, response_cb)
message.add_button(InfoBarMessageButton(Gtk.STOCK_CLOSE, Gtk.ResponseType.CANCEL))
self._show_message(message)
def pause (self):
self.gmwidg.setLocked(True)
def resume (self):
log.debug("Human.resume: %s" % (self))
if self.board.view.model.curplayer == self:
self.gmwidg.setLocked(False)
def playerUndoMoves (self, movecount, gamemodel):
log.debug("Human.playerUndoMoves: movecount=%s self=%s" % (movecount, self))
#If the movecount is odd, the player has changed, and we have to interupt
if movecount % 2 == 1:
# If it is no longer us to move, we raise TurnInterruprt in order to
# let GameModel continue the game.
if gamemodel.curplayer != self:
log.debug("Human.playerUndoMoves: putting TurnInterrupt into self.queue")
self.queue.put("int")
# If the movecount is even, we have to ensure the board is unlocked.
# This is because it might have been locked by the game ending, but
# perhaps we have now undone some moves, and it is no longer ended.
elif movecount % 2 == 0 and gamemodel.curplayer == self:
log.debug("Human.playerUndoMoves: self=%s: calling gmwidg.setLocked" % (self))
self.gmwidg.setLocked(False)
def putMessage (self, text):
self.emit("messageRecieved", text)
def sendMessage (self, text):
self.emit("offer", Offer(CHAT_ACTION, param=text))
#===========================================================================
# Offer handling
#===========================================================================
def offer (self, offer):
log.debug("Human.offer: self=%s %s" % (self, offer))
assert offer.type in OFFER_MESSAGES
if self.gamemodel.players[1-self.color].__type__ is LOCAL:
self.emit("accept", offer)
return
heading, text, takes_param = OFFER_MESSAGES[offer.type]
if takes_param:
param = offer.param
if offer.type == TAKEBACK_OFFER and \
self.gamemodel.players[1-self.color].__type__ is not REMOTE:
param = self.gamemodel.ply - offer.param
heading = heading % param
text = text % param
def response_cb (infobar, response, message):
if response == Gtk.ResponseType.ACCEPT:
self.emit("accept", offer)
elif response == Gtk.ResponseType.NO:
self.emit("decline", offer)
message.dismiss()
content = InfoBar.get_message_content(heading, text, Gtk.STOCK_DIALOG_QUESTION)
message = InfoBarMessage(Gtk.MessageType.QUESTION, content, response_cb)
message.add_button(InfoBarMessageButton(_("Accept"), Gtk.ResponseType.ACCEPT))
message.add_button(InfoBarMessageButton(_("Decline"), Gtk.ResponseType.NO))
message.add_button(InfoBarMessageButton(Gtk.STOCK_CLOSE, Gtk.ResponseType.CANCEL))
self._show_message(message)
def offerDeclined (self, offer):
log.debug("Human.offerDeclined: self=%s %s" % (self, offer))
assert offer.type in ACTION_NAMES
heading = _("%s was declined by your opponent") % ACTION_NAMES[offer.type]
text = _("Resend %s?" % ACTION_NAMES[offer.type].lower())
content = InfoBar.get_message_content(heading, text, Gtk.STOCK_DIALOG_INFO)
def response_cb (infobar, response, message):
if response == Gtk.ResponseType.ACCEPT:
self.emit("offer", offer)
message.dismiss()
message = InfoBarMessage(Gtk.MessageType.INFO, content, response_cb)
message.add_button(InfoBarMessageButton(_("Resend"), Gtk.ResponseType.ACCEPT))
message.add_button(InfoBarMessageButton(Gtk.STOCK_CLOSE, Gtk.ResponseType.CANCEL))
self._show_message(message)
def offerWithdrawn (self, offer):
log.debug("Human.offerWithdrawn: self=%s %s" % (self, offer))
assert offer.type in ACTION_NAMES
heading = _("%s was withdrawn by your opponent") % ACTION_NAMES[offer.type]
text = _("Your opponent seems to have changed their mind.")
content = InfoBar.get_message_content(heading, text, Gtk.STOCK_DIALOG_INFO)
def response_cb (infobar, response, message):
message.dismiss()
message = InfoBarMessage(Gtk.MessageType.INFO, content, response_cb)
message.add_button(InfoBarMessageButton(Gtk.STOCK_CLOSE, Gtk.ResponseType.CANCEL))
self._show_message(message)
def offerError (self, offer, error):
log.debug("Human.offerError: self=%s error=%s %s" % (self, error, offer))
assert offer.type in ACTION_NAMES
actionName = ACTION_NAMES[offer.type]
if error == ACTION_ERROR_NONE_TO_ACCEPT:
heading = _("Unable to accept %s") % actionName.lower()
text = _("Probably because it has been withdrawn.")
elif error == ACTION_ERROR_NONE_TO_DECLINE or \
error == ACTION_ERROR_NONE_TO_WITHDRAW:
# If the offer was not there, it has probably already been either
# declined or withdrawn.
return
else:
heading = _("%s returns an error") % actionName
text = ERROR_MESSAGES[error]
content = InfoBar.get_message_content(heading, text, Gtk.STOCK_DIALOG_WARNING)
def response_cb (infobar, response, message):
message.dismiss()
message = InfoBarMessage(Gtk.MessageType.WARNING, content, response_cb)
message.add_button(InfoBarMessageButton(Gtk.STOCK_CLOSE, Gtk.ResponseType.CANCEL))
self._show_message(message)
def _show_message (self, message):
self.gmwidg.showMessage(message)
def TaskQueue():
if hasattr(Queue, "task_done"):
return Queue()
return _TaskQueue()
def __init__(self):
GObject.GObject.__init__(self)
self.defname = 'Dummy'
self.Q = Queue()
class UCIEngine (ProtocolEngine):
def __init__ (self, subprocess, color, protover, md5):
ProtocolEngine.__init__(self, subprocess, color, protover, md5)
self.ids = {}
self.options = {}
self.optionsToBeSent = {}
self.wtime = 60000
self.btime = 60000
self.incr = 0
self.timeHandicap = 1
self.moveLock = RLock()
# none of the following variables should be changed or used in a
# condition statement without holding the above self.moveLock
self.ponderOn = False
self.pondermove = None
self.ignoreNext = False
self.waitingForMove = False
self.needBestmove = False
self.readyForStop = False # keeps track of whether we already sent a 'stop' command
self.multipvSetting = conf.get("multipv", 1) # MultiPV option sent to the engine
self.multipvExpected = 1 # Number of PVs expected (limited by number of legal moves)
self.commands = collections.deque()
self.gameBoard = Board(setup=True) # board at the end of all moves played
self.board = Board(setup=True) # board to send the engine
self.uciPosition = "startpos"
self.uciPositionListsMoves = False
self.analysis = [ None ]
self.returnQueue = Queue()
self.engine.connect("line", self.parseLine)
self.engine.connect("died", self.__die)
self.invalid_move = None
self.connect("readyForOptions", self.__onReadyForOptions_before)
self.connect_after("readyForOptions", self.__onReadyForOptions)
self.connect_after("readyForMoves", self.__onReadyForMoves)
def __die (self, subprocess):
self.returnQueue.put("die")
#===========================================================================
# Starting the game
#===========================================================================
def prestart (self):
print("uci", file=self.engine)
def start (self):
if self.mode in (ANALYZING, INVERSE_ANALYZING):
t = Thread(target=self.__startBlocking,
name=fident(self.__startBlocking))
t.daemon = True
t.start()
else:
self.__startBlocking()
def __startBlocking (self):
r = self.returnQueue.get()
if r == 'die':
raise PlayerIsDead
assert r == "ready" or r == 'del'
#self.emit("readyForOptions")
#self.emit("readyForMoves")
def __onReadyForOptions_before (self, self_):
self.readyOptions = True
def __onReadyForOptions (self, self_):
if self.mode in (ANALYZING, INVERSE_ANALYZING):
if self.hasOption("Ponder"):
self.setOption('Ponder', False)
if self.hasOption("MultiPV") and self.multipvSetting > 1:
self.setOption('MultiPV', self.multipvSetting)
for option, value in self.optionsToBeSent.items():
if isinstance(value, bool):
value = str(value).lower()
print("setoption name %s value %s" % (option, str(value)), file=self.engine)
print("isready", file=self.engine)
def __onReadyForMoves (self, self_):
self.returnQueue.put("ready")
self.readyMoves = True
self._newGame()
# If we are an analyzer, this signal was already called in a different
# thread, so we can safely block it.
if self.mode in (ANALYZING, INVERSE_ANALYZING):
self._searchNow()
#===========================================================================
# Ending the game
#===========================================================================
def end (self, status, reason):
# UCI doens't care about reason, so we just kill
if reason == WON_ADJUDICATION:
self.returnQueue.put("invalid")
self.kill(reason)
def kill (self, reason):
""" Kills the engine, starting with the 'stop' and 'quit' commands, then
trying sigterm and eventually sigkill.
Returns the exitcode, or if engine have already been killed, the
method returns None """
if self.connected:
self.connected = False
try:
try:
print("stop", file=self.engine)
print("quit", file=self.engine)
self.returnQueue.put("del")
return self.engine.gentleKill()
except OSError as e:
# No need to raise on a hang up error, as the engine is dead
# anyways
if e.errno == 32:
log.warning("Hung up Error", extra={"task":self.defname})
return e.errno
else: raise
finally:
# Clear the analyzed data, if any
self.emit("analyze", [])
#===========================================================================
# Send the player move updates
#===========================================================================
def _moveToUCI (self, board, move):
cn = CASTLE_KK
if board.variant == FISCHERRANDOMCHESS:
cn = CASTLE_KR
return toAN(board, move, short=True, castleNotation=cn)
def _recordMove (self, board1, move, board2):
if self.gameBoard == board1:
return
if not board2:
if board1.variant == NORMALCHESS and board1.asFen() == FEN_START:
self.uciPosition = "startpos"
else:
self.uciPosition = "fen " + board1.asFen()
self.uciPositionListsMoves = False
if move:
if not self.uciPositionListsMoves:
self.uciPosition += " moves"
self.uciPositionListsMoves = True
self.uciPosition += " " + self._moveToUCI(board2, move)
self.board = self.gameBoard = board1
if self.mode == INVERSE_ANALYZING:
self.board = self.gameBoard.switchColor()
def _recordMoveList (self, model, ply=None):
self._recordMove(model.boards[0], None, None)
if ply is None:
ply = model.ply
for board1, move, board2 in zip(model.boards[1:ply+1], model.moves, model.boards[0:ply]):
self._recordMove(board1, move, board2)
def setBoard (self, board):
log.debug("setBoardAtPly: board=%s" % board, extra={"task":self.defname})
self._recordMove(board, None, None)
if not self.readyMoves:
return
self._searchNow()
def putMove (self, board1, move, board2):
log.debug("putMove: board1=%s move=%s board2=%s self.board=%s" % \
(board1, move, board2, self.board), extra={"task":self.defname})
self._recordMove(board1, move, board2)
if not self.readyMoves:
return
self._searchNow()
def makeMove (self, board1, move, board2):
log.debug("makeMove: move=%s self.pondermove=%s board1=%s board2=%s self.board=%s" % \
(move, self.pondermove, board1, board2, self.board), extra={"task":self.defname})
assert self.readyMoves
with self.moveLock:
self._recordMove(board1, move, board2)
self.waitingForMove = True
ponderhit = False
if board2 and self.pondermove and move == self.pondermove:
ponderhit = True
elif board2 and self.pondermove:
self.ignoreNext = True
print("stop", file=self.engine)
self._searchNow(ponderhit=ponderhit)
# Parse outputs
try:
r = self.returnQueue.get()
if r == "invalid":
raise InvalidMove
if r == "del":
raise PlayerIsDead
if r == "int":
with self.moveLock:
self.pondermove = None
self.ignoreNext = True
self.needBestmove = True
self.hurry()
raise TurnInterrupt
return r
finally:
with self.moveLock:
self.waitingForMove = False
# empty the queue of any moves received post-undo/TurnInterrupt
self.returnQueue.queue.clear()
def updateTime (self, secs, opsecs):
if self.color == WHITE:
self.wtime = int(secs*1000*self.timeHandicap)
self.btime = int(opsecs*1000)
else:
self.btime = int(secs*1000*self.timeHandicap)
self.wtime = int(opsecs*1000)
#===========================================================================
# Standard options
#===========================================================================
def setOptionAnalyzing (self, mode):
self.mode = mode
if self.mode == INVERSE_ANALYZING:
self.board = self.gameBoard.switchColor()
def setOptionInitialBoard (self, model):
log.debug("setOptionInitialBoard: self=%s, model=%s" % \
(self, model), extra={"task":self.defname})
self._recordMoveList(model)
def setOptionVariant (self, variant):
if variant == FischerandomBoard:
assert self.hasOption("UCI_Chess960")
self.setOption("UCI_Chess960", True)
elif self.hasOption("UCI_Variant") and not variant.standard_rules:
self.setOption("UCI_Variant", variant.cecp_name)
def setOptionTime (self, secs, gain):
self.wtime = int(max(secs*1000*self.timeHandicap, 1))
self.btime = int(max(secs*1000*self.timeHandicap, 1))
self.incr = int(gain*1000*self.timeHandicap)
def setOptionStrength (self, strength, forcePonderOff):
self.strength = strength
if self.hasOption('UCI_LimitStrength') and strength <= 18:
self.setOption('UCI_LimitStrength', True)
if self.hasOption('UCI_Elo'):
self.setOption('UCI_Elo', 150 * strength)
# Stockfish offers 20 skill levels
if self.hasOption('Skill Level') and strength <= 19:
self.setOption('Skill Level', strength)
if ((not self.hasOption('UCI_Elo')) and (not self.hasOption('Skill Level'))) or strength <= 19:
self.timeHandicap = th = 0.01 * 10**(strength/10.)
self.wtime = int(max(self.wtime*th, 1))
self.btime = int(max(self.btime*th, 1))
self.incr = int(self.incr*th)
if self.hasOption('Ponder'):
self.setOption('Ponder', strength >= 19 and not forcePonderOff)
if self.hasOption('GaviotaTbPath') and strength == 20:
self.setOption('GaviotaTbPath', conf.get("egtb_path", ""))
#===========================================================================
# Interacting with the player
#===========================================================================
def pause (self):
log.debug("pause: self=%s" % self, extra={"task":self.defname})
self.engine.pause()
return
if self.board.color == self.color or \
self.mode != NORMAL or self.pondermove:
self.ignoreNext = True
print("stop", file=self.engine)
def resume (self):
log.debug("resume: self=%s" % self, extra={"task":self.defname})
self.engine.resume()
return
if self.mode == NORMAL:
if self.board.color == self.color:
self._searchNow()
elif self.ponderOn and self.pondermove:
self._startPonder()
else:
self._searchNow()
def hurry (self):
log.debug("hurry: self.waitingForMove=%s self.readyForStop=%s" % \
(self.waitingForMove, self.readyForStop), extra={"task":self.defname})
# sending this more than once per move will crash most engines
# so we need to send only the first one, and then ignore every "hurry" request
# after that until there is another outstanding "position..go"
with self.moveLock:
if self.waitingForMove and self.readyForStop:
print("stop", file=self.engine)
self.readyForStop = False
def playerUndoMoves (self, moves, gamemodel):
log.debug("playerUndoMoves: moves=%s gamemodel.ply=%s gamemodel.boards[-1]=%s self.board=%s" % \
(moves, gamemodel.ply, gamemodel.boards[-1], self.board), extra={"task":self.defname})
self._recordMoveList(gamemodel)
if (gamemodel.curplayer != self and moves % 2 == 1) or \
(gamemodel.curplayer == self and moves % 2 == 0):
# Interrupt if we were searching but should no longer do so, or
# if it is was our move before undo and it is still our move after undo
# since we need to send the engine the new FEN in makeMove()
log.debug("playerUndoMoves: putting 'int' into self.returnQueue=%s" % \
self.returnQueue.queue, extra={"task":self.defname})
self.returnQueue.put("int")
def spectatorUndoMoves (self, moves, gamemodel):
log.debug("spectatorUndoMoves: moves=%s gamemodel.ply=%s gamemodel.boards[-1]=%s self.board=%s" % \
(moves, gamemodel.ply, gamemodel.boards[-1], self.board), extra={"task":self.defname})
self._recordMoveList(gamemodel)
if self.readyMoves:
self._searchNow()
#===========================================================================
# Offer handling
#===========================================================================
def offer (self, offer):
if offer.type == DRAW_OFFER:
self.emit("decline", offer)
else:
self.emit("accept", offer)
#===========================================================================
# Option handling
#===========================================================================
def setOption (self, key, value):
""" Set an option, which will be sent to the engine, after the
'readyForOptions' signal has passed.
If you want to know the possible options, you should go to
engineDiscoverer or use the getOption, getOptions and hasOption
methods, while you are in your 'readyForOptions' signal handler """
if self.readyMoves:
log.warning("Options set after 'readyok' are not sent to the engine", extra={"task":self.defname})
self.optionsToBeSent[key] = value
self.ponderOn = key=="Ponder" and value is True
def getOption (self, option):
assert self.readyOptions
if option in self.options:
return self.options[option]["default"]
return None
def getOptions (self):
assert self.readyOptions
return copy(self.options)
def hasOption (self, key):
assert self.readyOptions
return key in self.options
#===========================================================================
# Internal
#===========================================================================
def _newGame (self):
print("ucinewgame", file=self.engine)
def _searchNow (self, ponderhit=False):
log.debug("_searchNow: self.needBestmove=%s ponderhit=%s self.board=%s" % \
(self.needBestmove, ponderhit, self.board), extra={"task":self.defname})
with self.moveLock:
commands = []
if ponderhit:
commands.append("ponderhit")
elif self.mode == NORMAL:
commands.append("position %s" % self.uciPosition)
if self.strength <= 3:
commands.append("go depth %d" % self.strength)
else:
commands.append("go wtime %d winc %d btime %d binc %d" % \
(self.wtime, self.incr, self.btime, self.incr))
else:
print("stop", file=self.engine)
if self.mode == INVERSE_ANALYZING:
if self.board.board.opIsChecked():
# Many engines don't like positions able to take down enemy
# king. Therefore we just return the "kill king" move
# automaticaly
self.emit("analyze", [([toAN(self.board, getMoveKillingKing(self.board))], MATE_VALUE-1, "")])
return
commands.append("position fen %s" % self.board.asFen())
else:
commands.append("position %s" % self.uciPosition)
#commands.append("go infinite")
move_time = int(conf.get("max_analysis_spin", 3))*1000
commands.append("go movetime %s" % move_time)
if self.hasOption("MultiPV") and self.multipvSetting > 1:
self.multipvExpected = min(self.multipvSetting, legalMoveCount(self.board))
else:
self.multipvExpected = 1
self.analysis = [None] * self.multipvExpected
if self.needBestmove:
self.commands.append(commands)
log.debug("_searchNow: self.needBestmove==True, appended to self.commands=%s" % \
self.commands, extra={"task":self.defname})
else:
for command in commands:
print(command, file=self.engine)
if getStatus(self.board)[1] != WON_MATE: # XXX This looks fishy.
self.needBestmove = True
self.readyForStop = True
def _startPonder (self):
uciPos = self.uciPosition
if not self.uciPositionListsMoves:
uciPos += " moves"
print("position", uciPos, \
self._moveToUCI(self.board, self.pondermove), file=self.engine)
print("go ponder wtime", self.wtime, \
"winc", self.incr, "btime", self.btime, "binc", self.incr, file=self.engine)
#===========================================================================
# Parsing from engine
#===========================================================================
def parseLine (self, engine, line):
if not self.connected: return
parts = line.split()
if not parts: return
#---------------------------------------------------------- Initializing
if parts[0] == "id":
if parts[1] == "name":
self.ids[parts[1]] = " ".join(parts[2:])
self.setName(self.ids["name"])
return
if parts[0] == "uciok":
self.emit("readyForOptions")
return
if parts[0] == "readyok":
self.emit("readyForMoves")
return
#------------------------------------------------------- Options parsing
if parts[0] == "option":
dic = {}
last = 1
varlist = []
for i in range (2, len(parts)+1):
if i == len(parts) or parts[i] in OPTKEYS:
key = parts[last]
value = " ".join(parts[last+1:i])
if "type" in dic and dic["type"] in TYPEDIC:
value = TYPEDIC[dic["type"]](value)
if key == "var":
varlist.append(value)
elif key == "type" and value == "string":
dic[key] = "text"
else:
dic[key] = value
last = i
if varlist:
dic["choices"] = varlist
self.options[dic["name"]] = dic
return
#---------------------------------------------------------------- A Move
if self.mode == NORMAL and parts[0] == "bestmove":
with self.moveLock:
self.needBestmove = False
self.__sendQueuedGo()
if self.ignoreNext:
log.debug("__parseLine: line='%s' self.ignoreNext==True, returning" % \
line.strip(), extra={"task":self.defname})
self.ignoreNext = False
self.readyForStop = True
return
movestr = parts[1]
if not self.waitingForMove:
log.warning("__parseLine: self.waitingForMove==False, ignoring move=%s" % \
movestr, extra={"task":self.defname})
self.pondermove = None
return
self.waitingForMove = False
try:
move = parseAny(self.board, movestr)
except ParsingError as e:
self.invalid_move = movestr
self.end(WHITEWON if self.board.color == BLACK else BLACKWON, WON_ADJUDICATION)
return
if not validate(self.board, move):
# This is critical. To avoid game stalls, we need to resign on
# behalf of the engine.
log.error("__parseLine: move=%s didn't validate, putting 'del' in returnQueue. self.board=%s" % \
(repr(move), self.board), extra={"task":self.defname})
self.invalid_move = movestr
self.end(WHITEWON if self.board.color == BLACK else BLACKWON, WON_ADJUDICATION)
return
self._recordMove(self.board.move(move), move, self.board)
log.debug("__parseLine: applied move=%s to self.board=%s" % \
(move, self.board), extra={"task":self.defname})
if self.ponderOn:
self.pondermove = None
# An engine may send an empty ponder line, simply to clear.
if len(parts) == 4:
# Engines don't always check for everything in their
# ponders. Hence we need to validate.
# But in some cases, what they send may not even be
# correct AN - specially in the case of promotion.
try:
pondermove = parseAny(self.board, parts[3])
except ParsingError:
pass
else:
if validate(self.board, pondermove):
self.pondermove = pondermove
self._startPonder()
self.returnQueue.put(move)
log.debug("__parseLine: put move=%s into self.returnQueue=%s" % \
(move, self.returnQueue.queue), extra={"task":self.defname})
return
#----------------------------------------------------------- An Analysis
if self.mode != NORMAL and parts[0] == "info" and "pv" in parts:
multipv = 1
if "multipv" in parts:
multipv = int(parts[parts.index("multipv")+1])
scoretype = parts[parts.index("score")+1]
if scoretype in ('lowerbound', 'upperbound'):
score = None
else:
score = int(parts[parts.index("score")+2])
if scoretype == 'mate':
# print >> self.engine, "stop"
if score != 0:
sign = score/abs(score)
score = sign*MATE_VALUE
movstrs = parts[parts.index("pv")+1:]
if "depth" in parts:
depth = parts[parts.index("depth")+1]
else:
depth = ""
if multipv <= len(self.analysis):
self.analysis[multipv - 1] = (movstrs, score, depth)
self.emit("analyze", self.analysis)
return
#----------------------------------------------- An Analyzer bestmove
if self.mode != NORMAL and parts[0] == "bestmove":
with self.moveLock:
log.debug("__parseLine: processing analyzer bestmove='%s'" % \
line.strip(), extra={"task":self.defname})
self.needBestmove = False
self.__sendQueuedGo(sendlast=True)
return
# Stockfish complaining it received a 'stop' without a corresponding 'position..go'
if line.strip() == "Unknown command: stop":
with self.moveLock:
log.debug("__parseLine: processing '%s'" % line.strip(), extra={"task":self.defname})
self.ignoreNext = False
self.needBestmove = False
self.readyForStop = False
self.__sendQueuedGo()
return
#* score
#* cp <x>
# the score from the engine's point of view in centipawns.
#* mate <y>
# mate in y moves, not plies.
# If the engine is getting mated use negative values for y.
#* lowerbound
# the score is just a lower bound.
#* upperbound
# the score is just an upper bound.
def __sendQueuedGo (self, sendlast=False):
""" Sends the next position...go or ponderhit command set which was queued (if any).
sendlast -- If True, send the last position-go queued rather than the first,
and discard the others (intended for analyzers)
"""
with self.moveLock:
if len(self.commands) > 0:
if sendlast:
commands = self.commands.pop()
self.commands.clear()
else:
commands = self.commands.popleft()
for command in commands:
print(command, file=self.engine)
self.needBestmove = True
self.readyForStop = True
log.debug("__sendQueuedGo: sent queued go=%s" % commands, extra={"task":self.defname})
#===========================================================================
# Info
#===========================================================================
def maxAnalysisLines (self):
try:
return int(self.options["MultiPV"]["max"])
except (KeyError, ValueError):
return 1 # Engine does not support the MultiPV option
def requestMultiPV (self, n):
multipvMax = self.maxAnalysisLines()
n = min(n, multipvMax)
if n != self.multipvSetting:
conf.set("multipv", n)
with self.moveLock:
self.multipvSetting = n
print("stop", file=self.engine)
print("setoption name MultiPV value", n, file=self.engine)
self._searchNow()
return n
def __repr__ (self):
if self.name:
return self.name
if "name" in self.ids:
return self.ids["name"]
return ', '.join(self.defname)
