def run(self):
while True:
try:
line = get_input()
except EOFError:
line = "quit"
lines = line.split()
try:
if not lines:
continue
log.debug(line, extra={"task": "xboard"})
# CECP commands
# See http://home.hccnet.nl/h.g.muller/engine-intf.html
if lines[0] == "xboard":
pass
elif lines[0] == "protover":
stringPairs = ["=".join([k, '"%s"' % v if isinstance(
v, str) else str(v)]) for k, v in self.features.items()]
self.print("feature %s" % " ".join(stringPairs))
self.print("feature done=1")
elif lines[0] in ("accepted", "rejected"):
# We only really care about one case:
if tuple(lines) == ("rejected", "debug"):
self.debug = False
elif lines[0] == "new":
self.__stopSearching()
self.board = LBoard(NORMALCHESS)
self.board.applyFen(FEN_START)
self.outOfBook = False
self.forced = False
self.playingAs = BLACK
self.clock[:] = self.basetime, self.basetime
self.searchtime = 0
self.sd = MAXPLY
if self.analyzing:
self.__analyze()
elif lines[0] == "variant":
if len(lines) > 1:
if lines[1] == "fischerandom":
self.board.variant = FISCHERRANDOMCHESS
elif lines[1] == "crazyhouse":
self.board.variant = CRAZYHOUSECHESS
self.board.iniHouse()
elif lines[1] == "wildcastle":
self.board.variant = WILDCASTLESHUFFLECHESS
elif lines[1] == "losers":
self.board.variant = LOSERSCHESS
elif lines[1] == "suicide":
self.board.variant = SUICIDECHESS
elif lines[1] == "giveaway":
self.board.variant = GIVEAWAYCHESS
elif lines[1] == "atomic":
self.board.variant = ATOMICCHESS
self.board.iniAtomic()
elif lines[1] == "3check":
self.board.variant = THREECHECKCHESS
elif lines[1] == "kingofthehill":
self.board.variant = KINGOFTHEHILLCHESS
self.print("setup (PNBRQKpnbrqk) 8x8+0_fairy %s" %
FEN_START)
elif lines[1] == "horde":
self.board = LBoard(HORDECHESS)
self.board.applyFen(HORDESTART)
elif lines[1] == "asean":
self.board = LBoard(ASEANCHESS)
self.board.applyFen(ASEANSTART)
elif lines[1] == "makruk":
self.board = LBoard(MAKRUKCHESS)
self.board.applyFen(MAKRUKSTART)
elif lines[1] == "cambodian":
self.board = LBoard(CAMBODIANCHESS)
self.board.applyFen(KAMBODIANSTART)
self.print(
"setup (PN.R.M....SKpn.r.m....sk) 8x8+0_makruk %s"
% KAMBODIANSTART)
self.print("piece K& KiN")
self.print("piece M& FifD")
elif lines[1] == "sittuyin":
self.board = LBoard(SITTUYINCHESS)
self.board.applyFen(SITTUYINSTART)
self.print(
"setup (PN.R.F....SKpn.r.f....sk) 8x8+6_bughouse %s"
% SITTUYINSTART)
self.print("piece N& Nj@3")
self.print("piece S& FfWj@3")
self.print("piece F& Fjb@3")
self.print("piece R& R@1")
self.print("piece K& Kj@3")
self.print("piece P& fmWfcFj@3")
elif lines[0] == "quit":
self.forced = True
self.__stopSearching()
sys.exit(0)
elif lines[0] == "random":
leval.random = True
elif lines[0] == "force":
if not self.forced and not self.analyzing:
self.forced = True
self.__stopSearching()
elif lines[0] == "go":
self.playingAs = self.board.color
self.forced = False
self.__go()
elif lines[0] == "playother":
self.playingAs = 1 - self.board.color
self.forced = False
# TODO: start pondering, if possible
elif lines[0] in ("black", "white"):
newColor = lines[0] == "black" and BLACK or WHITE
self.__stopSearching()
self.playingAs = 1 - newColor
if self.board.color != newColor:
self.board.setColor(newColor)
self.board.setEnpassant(None)
if self.analyzing:
self.__analyze()
elif lines[0] == "level":
self.movestogo = int(lines[1])
inc = int(lines[3])
minutes = lines[2].split(":")
# Per protocol spec, strip off any non-numeric suffixes.
for i in range(len(minutes)):
minutes[i] = re.match(r'\d*', minutes[i]).group()
self.basetime = int(minutes[0]) * 60
if len(minutes) > 1 and minutes[1]:
self.basetime += int(minutes[1])
self.clock[:] = self.basetime, self.basetime
self.increment = inc, inc
elif lines[0] == "st":
self.searchtime = float(lines[1])
elif lines[0] == "sd":
self.sd = int(lines[1])
# Unimplemented: nps
elif lines[0] == "time":
self.clock[self.playingAs] = float(lines[1]) / 100.
elif lines[0] == "otim":
self.clock[1 - self.playingAs] = float(lines[1]) / 100.
elif lines[0] == "usermove":
self.__stopSearching()
try:
move = parseAny(self.board, lines[1])
except ParsingError as err:
self.print("Error (unknown command): %s" % lines[1])
self.print(self.board.prepr(ascii=ASCII))
continue
if not validateMove(self.board, move):
self.print("Illegal move: %s" % lines[1])
self.print(self.board.prepr(ascii=ASCII))
continue
self.board.applyMove(move)
self.playingAs = self.board.color
if not self.forced and not self.analyzing:
self.__go()
if self.analyzing:
self.__analyze()
elif lines[0] == "?":
if not self.forced and not self.analyzing:
self.__stopSearching()
elif lines[0] == "ping":
self.print("pong %s" % lines[1])
elif lines[0] == "draw":
if self.__willingToDraw():
self.print("offer draw")
elif lines[0] == "result":
# We don't really care what the result is at the moment.
pass
elif lines[0] == "setboard":
self.__stopSearching()
try:
self.board = LBoard(self.board.variant)
fen = " ".join(lines[1:])
self.board.applyFen(fen.replace("[", "/").replace("]",
""))
except SyntaxError as err:
self.print("tellusererror Illegal position: %s" %
str(err))
# "edit" is unimplemented. See docs. Exiting edit mode returns to analyze mode.
elif lines[0] == "hint":
pass # TODO: Respond "Hint: MOVE" if we have an expected reply
elif lines[0] == "bk":
entries = getOpenings(self.board)
if entries:
totalWeight = sum(entry[1] for entry in entries)
for entry in entries:
self.print("\t%s\t%02.2f%%" %
(toSAN(self.board, entry[0]), entry[1] *
100.0 / totalWeight))
elif lines[0] == "undo":
self.__stopSearching()
self.board.popMove()
if self.analyzing:
self.__analyze()
elif lines[0] == "remove":
self.__stopSearching()
self.board.popMove()
self.board.popMove()
if self.analyzing:
self.__analyze()
elif lines[0] in ("hard", "easy"):
self.ponder = (lines[0] == "hard")
elif lines[0] in ("post", "nopost"):
self.post = (lines[0] == "post")
elif lines[0] == "analyze":
self.analyzing = True
self.__analyze()
elif lines[0] in ("name", "rating", "ics", "computer"):
pass # We don't care.
# Unimplemented: pause, resume
elif lines[0] == "memory":
# FIXME: this is supposed to control the *total* memory use.
if lsearch.searching:
self.print("Error (already searching):", line)
else:
limit = int(lines[1])
if limit < 1:
self.print("Error (limit too low):", line)
else:
pass
# TODO implement
# lsearch.setHashSize(limit)
elif lines[0] == "cores":
pass # We aren't SMP-capable.
elif lines[0] == "egtpath":
if len(lines) >= 3 and lines[1] == "gaviota":
conf.set("egtb_path", conf.get("egtb_path", lines[2]))
from pychess.Utils.lutils.lsearch import enableEGTB
enableEGTB()
elif lines[0] == "option" and len(lines) > 1:
name, eq, value = lines[1].partition("=")
if value:
value = int(
value
) # CECP spec says option values are *always* numeric
if name == "skipPruneChance":
if 0 <= value <= 100:
self.skipPruneChance = value / 100.0
else:
self.print(
"Error (argument must be an integer 0..100): %s"
% line)
# CECP analyze mode commands
# See http://www.gnu.org/software/xboard/engine-intf.html#11
elif lines[0] == "exit":
if self.analyzing:
self.__stopSearching()
self.analyzing = False
# Periodic updates (".") are not implemented.
# Custom commands
elif lines[0] == "moves":
self.print(self.board.prepr(ascii=ASCII))
self.print([toSAN(self.board, move)
for move in genAllMoves(self.board)])
elif lines[0] == "captures":
self.print(self.board.prepr(ascii=ASCII))
self.print([toSAN(self.board, move)
for move in genCaptures(self.board)])
elif lines[0] == "evasions":
self.print(self.board.prepr(ascii=ASCII))
self.print([toSAN(self.board, move)
for move in genCheckEvasions(self.board)])
elif lines[0] == "benchmark":
if len(lines) > 1:
benchmark(int(lines[1]))
else:
benchmark()
elif lines[0] == "profile":
if len(lines) > 1:
import cProfile
cProfile.runctx("benchmark()", locals(), globals(),
lines[1])
else:
self.print("Usage: profile outputfilename")
elif lines[0] == "perft":
root = "0" if len(lines) < 3 else lines[2]
depth = "1" if len(lines) == 1 else lines[1]
if root.isdigit() and depth.isdigit():
perft(self.board, int(depth), int(root))
else:
self.print("Error (arguments must be integer")
elif lines[0] == "stop_unittest":
break
elif len(lines) == 1:
# A GUI without usermove support might try to send a move.
try:
move = parseAny(self.board, line)
except ParsingError:
self.print("Error (unknown command): %s" % line)
continue
if not validateMove(self.board, move):
self.print("Illegal move: %s" % lines[0])
self.print(self.board.prepr(ascii=ASCII))
continue
self.__stopSearching()
self.board.applyMove(move)
self.playingAs = self.board.color
if not self.forced and not self.analyzing:
self.__go()
if self.analyzing:
self.__analyze()
else:
self.print("Error (unknown command): %s" % line)
except IndexError:
self.print("Error (missing argument): %s" % line)
def run(self):
while True:
try:
line = raw_input()
except EOFError:
line = "quit"
lines = line.split()
try:
if not lines:
continue
log.debug(line, extra={"task": "xboard"})
# CECP commands
# See http://home.hccnet.nl/h.g.muller/engine-intf.html
if lines[0] == "xboard":
pass
elif lines[0] == "protover":
stringPairs = ["=".join([k, '"%s"' % v if isinstance(
v, str) else str(v)]) for k, v in self.features.items()]
self.print("feature %s" % " ".join(stringPairs))
self.print("feature done=1")
elif lines[0] in ("accepted", "rejected"):
# We only really care about one case:
if tuple(lines) == ("rejected", "debug"):
self.debug = False
elif lines[0] == "new":
self.__stopSearching()
self.board = LBoard(NORMALCHESS)
self.board.applyFen(FEN_START)
self.outOfBook = False
self.forced = False
self.playingAs = BLACK
self.clock[:] = self.basetime, self.basetime
self.searchtime = 0
self.sd = MAXPLY
if self.analyzing:
self.__analyze()
elif lines[0] == "variant":
if len(lines) > 1:
if lines[1] == "fischerandom":
self.board.variant = FISCHERRANDOMCHESS
elif lines[1] == "crazyhouse":
self.board.variant = CRAZYHOUSECHESS
self.board.iniHouse()
elif lines[1] == "wildcastle":
self.board.variant = WILDCASTLESHUFFLECHESS
elif lines[1] == "losers":
self.board.variant = LOSERSCHESS
elif lines[1] == "suicide":
self.board.variant = SUICIDECHESS
elif lines[1] == "atomic":
self.board.variant = ATOMICCHESS
self.board.iniAtomic()
elif lines[1] == "3check":
self.board.variant = THREECHECKCHESS
elif lines[1] == "kingofthehill":
self.board.variant = KINGOFTHEHILLCHESS
self.print("setup (PNBRQKpnbrqk) 8x8+0_fairy %s" %
FEN_START)
elif lines[1] == "asean":
self.board = LBoard(ASEANCHESS)
self.board.applyFen(ASEANSTART)
elif lines[1] == "makruk":
self.board = LBoard(MAKRUKCHESS)
self.board.applyFen(MAKRUKSTART)
elif lines[1] == "cambodian":
self.board = LBoard(CAMBODIANCHESS)
self.board.applyFen(KAMBODIANSTART)
self.print(
"setup (PN.R.M....SKpn.r.m....sk) 8x8+0_makruk %s"
% KAMBODIANSTART)
self.print("piece K& KiN")
self.print("piece M& FifD")
elif lines[1] == "sittuyin":
self.board = LBoard(SITTUYINCHESS)
self.board.applyFen(SITTUYINSTART)
self.print(
"setup (PN.R.F....SKpn.r.f....sk) 8x8+6_bughouse %s"
% SITTUYINSTART)
self.print("piece N& Nj@3")
self.print("piece S& FfWj@3")
self.print("piece F& Fjb@3")
self.print("piece R& R@1")
self.print("piece K& Kj@3")
self.print("piece P& fmWfcFj@3")
elif lines[0] == "quit":
self.forced = True
self.__stopSearching()
sys.exit(0)
elif lines[0] == "random":
leval.random = True
elif lines[0] == "force":
if not self.forced and not self.analyzing:
self.forced = True
self.__stopSearching()
elif lines[0] == "go":
self.playingAs = self.board.color
self.forced = False
self.__go()
elif lines[0] == "playother":
self.playingAs = 1 - self.board.color
self.forced = False
# TODO: start pondering, if possible
elif lines[0] in ("black", "white"):
newColor = lines[0] == "black" and BLACK or WHITE
self.__stopSearching()
self.playingAs = 1 - newColor
if self.board.color != newColor:
self.board.setColor(newColor)
self.board.setEnpassant(None)
if self.analyzing:
self.__analyze()
elif lines[0] == "level":
self.movestogo = int(lines[1])
inc = int(lines[3])
minutes = lines[2].split(":")
# Per protocol spec, strip off any non-numeric suffixes.
for i in range(len(minutes)):
minutes[i] = re.match(r'\d*', minutes[i]).group()
self.basetime = int(minutes[0]) * 60
if len(minutes) > 1 and minutes[1]:
self.basetime += int(minutes[1])
self.clock[:] = self.basetime, self.basetime
self.increment = inc, inc
elif lines[0] == "st":
self.searchtime = float(lines[1])
elif lines[0] == "sd":
self.sd = int(lines[1])
# Unimplemented: nps
elif lines[0] == "time":
self.clock[self.playingAs] = float(lines[1]) / 100.
elif lines[0] == "otim":
self.clock[1 - self.playingAs] = float(lines[1]) / 100.
elif lines[0] == "usermove":
self.__stopSearching()
try:
move = parseAny(self.board, lines[1])
except ParsingError as err:
self.print("Error (unknown command): %s" % lines[1])
self.print(self.board.prepr(ascii=ASCII))
continue
if not validateMove(self.board, move):
self.print("Illegal move: %s" % lines[1])
self.print(self.board.prepr(ascii=ASCII))
continue
self.board.applyMove(move)
self.playingAs = self.board.color
if not self.forced and not self.analyzing:
self.__go()
if self.analyzing:
self.__analyze()
elif lines[0] == "?":
if not self.forced and not self.analyzing:
self.__stopSearching()
elif lines[0] == "ping":
self.print("pong %s" % lines[1])
elif lines[0] == "draw":
if self.__willingToDraw():
self.print("offer draw")
elif lines[0] == "result":
# We don't really care what the result is at the moment.
pass
elif lines[0] == "setboard":
self.__stopSearching()
try:
self.board = LBoard(self.board.variant)
fen = " ".join(lines[1:])
self.board.applyFen(fen.replace("[", "/").replace("]",
""))
except SyntaxError as err:
self.print("tellusererror Illegal position: %s" %
str(err))
# "edit" is unimplemented. See docs. Exiting edit mode returns to analyze mode.
elif lines[0] == "hint":
pass # TODO: Respond "Hint: MOVE" if we have an expected reply
elif lines[0] == "bk":
entries = getOpenings(self.board)
if entries:
totalWeight = sum(entry[1] for entry in entries)
for entry in entries:
self.print("\t%s\t%02.2f%%" %
(toSAN(self.board, entry[0]), entry[1] *
100.0 / totalWeight))
elif lines[0] == "undo":
self.__stopSearching()
self.board.popMove()
if self.analyzing:
self.__analyze()
elif lines[0] == "remove":
self.__stopSearching()
self.board.popMove()
self.board.popMove()
if self.analyzing:
self.__analyze()
elif lines[0] in ("hard", "easy"):
self.ponder = (lines[0] == "hard")
elif lines[0] in ("post", "nopost"):
self.post = (lines[0] == "post")
elif lines[0] == "analyze":
self.analyzing = True
self.__analyze()
elif lines[0] in ("name", "rating", "ics", "computer"):
pass # We don't care.
# Unimplemented: pause, resume
elif lines[0] == "memory":
# FIXME: this is supposed to control the *total* memory use.
if lsearch.searching:
self.print("Error (already searching):", line)
else:
limit = int(lines[1])
if limit < 1:
self.print("Error (limit too low):", line)
else:
pass
# TODO implement
# lsearch.setHashSize(limit)
elif lines[0] == "cores":
pass # We aren't SMP-capable.
elif lines[0] == "egtpath":
if len(lines) >= 3 and lines[1] == "gaviota":
conf.set("egtb_path", conf.get("egtb_path", lines[2]))
from pychess.Utils.lutils.lsearch import enableEGTB
enableEGTB()
elif lines[0] == "option" and len(lines) > 1:
name, eq, value = lines[1].partition("=")
if value:
value = int(
value
) # CECP spec says option values are *always* numeric
if name == "skipPruneChance":
if 0 <= value <= 100:
self.skipPruneChance = value / 100.0
else:
self.print(
"Error (argument must be an integer 0..100): %s"
% line)
# CECP analyze mode commands
# See http://www.gnu.org/software/xboard/engine-intf.html#11
elif lines[0] == "exit":
if self.analyzing:
self.__stopSearching()
self.analyzing = False
# Periodic updates (".") are not implemented.
# Custom commands
elif lines[0] == "moves":
self.print(self.board.prepr(ascii=ASCII))
self.print([toSAN(self.board, move)
for move in genAllMoves(self.board)])
elif lines[0] == "captures":
self.print(self.board.prepr(ascii=ASCII))
self.print([toSAN(self.board, move)
for move in genCaptures(self.board)])
elif lines[0] == "evasions":
self.print(self.board.prepr(ascii=ASCII))
self.print([toSAN(self.board, move)
for move in genCheckEvasions(self.board)])
elif lines[0] == "benchmark":
benchmark()
elif lines[0] == "profile":
if len(lines) > 1:
import cProfile
cProfile.runctx("benchmark()", locals(), globals(),
lines[1])
else:
self.print("Usage: profile outputfilename")
elif lines[0] == "perft":
root = "0" if len(lines) < 3 else lines[2]
depth = "1" if len(lines) == 1 else lines[1]
if root.isdigit() and depth.isdigit():
perft(self.board, int(depth), int(root))
else:
self.print("Error (arguments must be integer")
elif len(lines) == 1:
# A GUI without usermove support might try to send a move.
try:
move = parseAny(self.board, line)
except:
self.print("Error (unknown command): %s" % line)
continue
if not validateMove(self.board, move):
self.print("Illegal move: %s" % lines[0])
self.print(self.board.prepr(ascii=ASCII))
continue
self.__stopSearching()
self.board.applyMove(move)
self.playingAs = self.board.color
if not self.forced and not self.analyzing:
self.__go()
if self.analyzing:
self.__analyze()
else:
self.print("Error (unknown command): %s" % line)
except IndexError:
self.print("Error (missing argument): %s" % line)