def command():
move_str = " ".join(builder)
self.ponder_move = None
if self.in_force:
with self.semaphore:
self.send_line(move_str)
if self.terminated.is_set():
raise EngineTerminatedException()
else:
with self.semaphore:
self.send_line(move_str)
self.search_started.set()
self.move_received.wait()
with self.state_changed:
self.idle = True
self.state_changed.notify_all()
if self.terminated.is_set():
raise EngineTerminatedException()
try_move(self.board, str(self.move))
return self.move
def command():
with self.semaphore:
for option_line in option_lines:
self.send_line(option_line)
if self.terminated.is_set():
raise EngineTerminatedException()
def command():
with self.semaphore:
with self.pong_received:
self.send_line("ping " + str(self.ping_num))
self.pong_received.wait()
if self.terminated.is_set():
raise EngineTerminatedException()
def command():
with self.semaphore:
with self.readyok_received:
self.send_line("isready")
self.readyok_received.wait()
if self.terminated.is_set():
raise EngineTerminatedException()
def command():
with self.semaphore:
with self.state_changed:
if not self.idle:
self.search_started.wait()
self.send_line("exit")
self.move_received.set()
if self.terminated.is_set():
raise EngineTerminatedException()
def command():
with self.semaphore:
self.send_line("xboard")
self.send_line("protover 2")
if self.terminated.is_set():
raise EngineTerminatedException()
# TODO: Remove perhaps?
self.post()
self.easy()
self.ping()
def command():
with self.semaphore:
self.send_line(" ".join(builder))
self.search_started.set()
self.bestmove_received.wait()
with self.state_changed:
self.idle = True
self.state_changed.notify_all()
if self.terminated.is_set():
raise EngineTerminatedException()
return BestMove(self.bestmove, self.ponder)
def command():
with self.semaphore:
self.send_line("analyze")
self.search_started.set()
self.move_received.wait()
with self.state_changed:
self.idle = True
self.state_changed.notify_all()
if self.terminated.is_set():
raise EngineTerminatedException()
if self.auto_force:
self.force()
def _queue_command(self, command, async_callback):
try:
future = self.pool.submit(command)
except RuntimeError:
raise EngineTerminatedException()
if async_callback is True:
return future
elif async_callback:
future.add_done_callback(async_callback)
return future
else:
# Avoid calling future.result() without a timeout.
# In Python 2, such a call can't be interrupted.
while True:
try:
return future.result(timeout=FUTURE_POLL_TIMEOUT)
except concurrent.futures.TimeoutError:
pass
def command():
with self.semaphore:
with self.state_changed:
if not self.idle:
self.search_started.wait()
backoff = 0.5
while not self.move_received.is_set() and not self.terminated.is_set():
if self.idle:
break
else:
self.send_line("?")
self.move_received.wait(backoff)
backoff *= 2
self.idle = True
self.state_changed.notify_all()
if self.terminated.is_set():
raise EngineTerminatedException()
def command():
with self.semaphore:
self.send_line("go")
self.search_started.set()
self.move_received.wait()
with self.state_changed:
self.idle = True
self.state_changed.notify_all()
if self.terminated.is_set():
raise EngineTerminatedException()
if self.auto_force:
self.force()
if self.move in DUMMY_RESPONSES:
return self.move
try_move(self.board, str(self.move))
return self.move