-
Notifications
You must be signed in to change notification settings - Fork 3
/
lila.py
831 lines (710 loc) · 28.6 KB
/
lila.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
# NicLink-lichess is a part of NicLink
#
# NicLink is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or ( at your option ) any later version.
#
# NicLink is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with NicLink. If not, see <https://www.gnu.org/licenses/>.
import argparse
import importlib.util
import logging
import logging.handlers
import os
# sys stuff
import sys
import threading
import traceback
from time import sleep
import berserk
# chess stuff
import chess
import chess.pgn
from berserk.exceptions import ResponseError
# external chess clock functionality
from chess_clock import ChessClock
from game import Game as LichessGame # game is already a class
from game_start import GameStart
# lila modularity
from game_state import GameState
# exceptions
from serial import SerialException
# NicLink shit
from niclink import NicLinkManager
from niclink.nl_exceptions import (ExitNicLink, IllegalMove, NicLinkGameOver,
NicLinkHandlingGame, NoMove)
# === command line ===
# parsing command line arguments
parser = argparse.ArgumentParser()
parser.add_argument("--tokenfile")
parser.add_argument("--correspondence", action="store_true")
parser.add_argument("--clock", action="store_true") # TODO: MAKE WORK
parser.add_argument("--quiet", action="store_true")
parser.add_argument("--debug", action="store_true")
parser.add_argument("--learning", action="store_true")
args = parser.parse_args()
# === globals ===
global game
global logger
game = None
correspondence = False
if args.correspondence:
correspondence = True
# the script dir, used to import the lila token file
script_dir = os.path.dirname(__file__)
LEARNING = False
DEBUG = False
# DEBUG = True
if args.debug:
DEBUG = True
if args.clock:
CHESS_CLOCK = True
else:
CHESS_CLOCK = False
# === constants ===
# refresh refresh delay for NicLink and Lichess
REFRESH_DELAY = 0.1
# POLL_DELAY for checking for new games
POLL_DELAY = 10
# === lichess token parsing ===
TOKEN_FILE = os.path.join(script_dir, "lichess_token/nrv773_token")
# TOKEN_FILE = os.path.join(script_dir, "lichess_token/dev_token")
if DEBUG:
TOKEN_FILE = os.path.join(script_dir, "lichess_token/dev_token")
if args.learning or LEARNING:
TOKEN_FILE = os.path.join(script_dir, "lichess_token/nrv_learning_token")
if args.tokenfile is not None:
TOKEN_FILE = args.tokenfile
# === logger stuff ===
logger = logging.getLogger("nl_lichess")
consoleHandler = logging.StreamHandler(sys.stdout)
if DEBUG:
logger.info("DEBUG is set.")
logger.setLevel(logging.DEBUG)
consoleHandler.setLevel(logging.DEBUG)
else:
logger.info("DEBUG not set")
logger.setLevel(logging.INFO)
consoleHandler.setLevel(logging.WARNING)
# logger.setLevel(logging.ERROR)
# consoleHandler.setLevel(logging.ERROR)
formatter = logging.Formatter(
"%(levelno)s %(funcName)s %(lineno)d %(message)s @: %(pathname)s")
consoleHandler.setFormatter(formatter)
logger.addHandler(consoleHandler)
# logging to a file
fileHandler = logging.FileHandler("NicLink.log")
fileHandler.setLevel(logging.DEBUG)
logger.addHandler(fileHandler)
# === exception logging and except hook ===
# log unhandled exceptions to the log file
def log_except_hook(excType, excValue, traceback):
global logger
logger.error("Uncaught exception", exc_info=(excType, excValue, traceback))
# set exception hook
sys.excepthook = log_except_hook
# for good measure, also log handled exceptions
def log_handled_exception(exception) -> None:
"""log a handled exception"""
global logger
logger.error("Exception handled: %s", exception)
# === pre-amble fin ===
print(
"\n\n|=====================| NicLink on Lichess startup |=====================|\n\n"
)
logger.info("NicLink Lichess startup\n")
class Game(threading.Thread):
"""a game on lichess"""
def __init__(
self,
berserk_client,
game_id,
playing_white,
bluetooth=False,
starting_fen=False,
chess_clock=CHESS_CLOCK,
**kwargs,
):
"""Game, the client.board, niclink instance, the game id etc."""
global nl_inst, logger
super().__init__(**kwargs)
# for await move to signal a move has been made
self.has_moved = threading.Event()
# berserk board_client
self.berserk_board_client = berserk_client.board
# id of the game we are playing
self.game_id = game_id
# incoming board stream
self.stream = self.berserk_board_client.stream_game_state(game_id)
# current state from stream
self.current_state = next(self.stream)
self.response_error_on_last_attempt = False
# the most reasontly parsed game_state, in a GameState class wrapper
self.game_state = GameState(self.current_state["state"])
# === niclink options ===
self.bluetooth = bluetooth
# === external clock constants ===
SERIAL_PORT = "/dev/ttyACM0"
BAUDRATE = 115200
TIMEOUT = 100.0
"""if there is an external_clock try to connect to the clock,
but do not fail if you dont
"""
if chess_clock:
try:
self.chess_clock = ChessClock(
SERIAL_PORT,
BAUDRATE,
TIMEOUT,
logger=logger,
)
except SerialException as ex:
logger.error("Chess clock could not be connected %s" % ex)
self.chess_clock = False
else:
self.chess_clock = False
self.playing_white = playing_white
if starting_fen and False: # HACK: TODO: make 960 work
nl_inst.reset()
self.game_board = chess.Board(starting_fen)
nl_inst.set_game_board(self.game_board)
self.starting_fen = starting_fen
else:
nl_inst.reset() # reset niclink for a new game
self.game_board = chess.Board()
nl_inst.set_game_board(self.game_board)
self.starting_fen = None
logger.info("game init w id: %s", game_id)
# if white, make the first move
if self.playing_white and self.current_state["state"]["moves"] == "":
self.make_first_move()
# if we are joining a game in progress or move second
else:
self.handle_state_change(GameState(self.current_state["state"]))
def run(self) -> None:
"""run the thread until game is through
ie: while the game stream is open
then kill it w self.game_done()
"""
global nl_inst, logger
state_change_thread = None
for event in self.stream:
logger.debug("event in self.stream: %s", event)
if event["type"] == "gameState":
# update the game state in this class with a stream game_state
# incapsulated in a conveiniance class
self.game_state = GameState(event)
logger.debug("state_change_thread is: %s", state_change_thread)
# if there is a state_change_thread
if state_change_thread is not None:
# if there is another state change thread still
# running running, join it
# while checking for game over
while state_change_thread.is_alive():
if state_change_thread.is_alive():
logger.debug("trying to join state_change_thread, \
it is alive.")
# check that the game is not over.
# Will call game_done if so.
self.check_for_game_over(self.game_state)
# try to join state_change_thread with
# a one second time_out
state_change_thread.join(timeout=REFRESH_DELAY)
# start new state change thread
state_change_thread = threading.Thread(
target=self.handle_state_change, args=(self.game_state, ))
state_change_thread.start()
elif event["type"] == "chatLine":
self.handle_chat_line(event)
elif event["type"] == "gameFull":
logger.info("\n\n +++ Game Full got +++\n\n")
self.game_done()
elif event["type"] == "opponentGone":
logger.info(">>> opponentGone <<< received event: %s \n",
event)
print(">>> opponentGone <<<")
for x in range(0, 2):
nl_inst.signal_lights(3)
nl_inst.signal_lights(2)
else: # If it is not one of these options, kill the stream
logger.warning("\n\nNew Event: %s", event)
for x in range(0, 3):
nl_inst.beep()
sleep(0.5)
break
logger.error("outside run loop in class Game(threading.Thread):")
self.game_done()
def get_game_state(self) -> GameState:
"""get the current game_state"""
return self.game_state
def game_done(self, game_state: GameState = None) -> None:
"""stop the thread, game should be over, or maybe a rage quit
@param - (GameState) a gamestate telling us how the game ended
@side-effect - changes the external board led's
info on signals:
1 - ring of lights
2 - files 5 to 8 lit up
3 - files 1 to 4 lit up
4 - central line
5 - cross in center
"""
global logger, nl_inst
logger.info("\nGame.game_done(GameState) entered.\n GameState %s",
game_state)
# signal the side that won on the board by lighting up that side
# if there is an external clock, display gameover message
if game_state is not None:
if game_state.winner:
if game_state.winner == "white":
if self.chess_clock:
self.chess_clock.white_won()
nl_inst.signal_lights(3)
elif game_state.winner == "black":
if self.chess_clock:
self.chess_clock.black_won()
nl_inst.signal_lights(2)
else:
# if no winner
self.chess_clock.game_over()
nl_inst.signal_lights(4)
else:
# if no game state was given
if self.chess_clock:
self.chess_clock.game_over()
# signal we dont know wtf with a cross
nl_inst.signal_lights(5)
print("\n[--- %%%%% GAME DONE %%%%% ---]\n")
# tell the user and NicLink the game is through
nl_inst.game_over.set()
nl_inst.beep()
nl_inst.gameover_lights()
sleep(3)
nl_inst.turn_off_all_LEDs()
# stop the thread
raise NicLinkGameOver("Game over")
def await_move_thread(self, fetch_list: list) -> None:
"""await move in a way that does not stop the user from exiting. and when move is found,
set it to index 0 on fetch_list in UCI. This function should be ran in it's own Thread.
"""
global logger, nl_inst
logger.debug("\nGame.await_move_thread(...) entered\n")
try:
move = (nl_inst.await_move()
) # await move from e-board the move from niclink
logger.debug(
"await_move_thread(...): move from chessboard %s. setting it to index 0 of the passed list, \
and setting moved event",
move,
)
fetch_list.insert(0, move)
self.has_moved.set() # set the Event
except KeyboardInterrupt as err:
log_handled_exception(err)
print("KeyboardInterrupt: bye")
sys.exit(0)
except ResponseError as err:
logger.info(
"\nResponseError on make_move(). This causes us to just return\n\n"
)
log_handled_exception(err)
raise NoMove("ResponseError in Game.await_move_thread thread.")
else:
logger.info("Game.await_move_thread(...) Thread got move: %s",
move)
raise SystemExit(
"exiting Game.await_move_thread thread, everything is good.")
def make_move(self, move: str) -> None:
"""make a move in a lichess game with self.gameId
@param - move: UCI move string ie: e4e5
@side_effect: talkes to lichess, sending the move
"""
global logger, nl_inst
logger.info("move made: %s", move)
while not nl_inst.game_over.is_set():
logger.debug(
"make_move() attempt w move: %s nl.game_over.is_set(): %s",
move,
str(nl_inst.game_over.is_set()),
)
try:
if move is None:
raise IllegalMove("Move is None")
self.berserk_board_client.make_move(self.game_id, move)
nl_inst.make_move_game_board(move)
logger.debug("move sent to liches: %s", move)
# once move has been made set self.response_error_on_last_attempt to false and return
self.response_error_on_last_attempt = False
# exit function on success
return
except ResponseError as err:
log_handled_exception(err)
# check for game over or it is not your turn, If so, return
if "Not your turn, or game already over" in str(err):
logger.error(
"Not your turn, or game is already over. Exiting make_move(...)"
)
break
# if not, try again
print(
f"ResponseError: {err}trying again after three seconds. \
Will only try twice before calling game_done")
sleep(3)
if self.response_error_on_last_attempt is True:
self.response_error_on_last_attempt = False
self.game_done()
else:
self.response_error_on_last_attempt = True
continue
except IllegalMove as err:
log_handled_exception(err)
print("Illegal move")
break
def make_first_move(self) -> None:
"""make the first move in a lichess game, before stream starts"""
global nl_inst, logger, REFRESH_DELAY
logger.info("making the first move in the game")
move = nl_inst.await_move()
# HACK:
while move is None:
move = nl_inst.await_move()
sleep(REFRESH_DELAY)
# make the move
self.make_move(move)
def get_move_from_chessboard(self, tmp_chessboard: chess.Board) -> str:
"""get a move from the chessboard, and return it in UCI"""
global nl_inst, logger, REFRESH_DELAY
logger.debug(
"get_move_from_chessboard() entered. Geting move from ext board.\n"
)
# set this board as NicLink game board
nl_inst.set_game_board(tmp_chessboard)
logger.debug(
"NicLink set_game_board(tmp_chessboard) set. board prior to move FEN %s\n FEN I see external: %s\n",
tmp_chessboard.fen(),
nl_inst.get_FEN(),
)
# the move_fetch_list is for getting the move and await_move_thread in a thread is it does not block
move_fetch_list = []
get_move_thread = threading.Thread(target=self.await_move_thread,
args=(move_fetch_list, ),
daemon=True)
get_move_thread.start()
# wait for a move on chessboard
while not nl_inst.game_over.is_set() or self.check_for_game_over(
GameState(self.current_state["state"]
) # TODO: FIND MORE EFFICIENT WAY
):
if self.has_moved.is_set():
move = move_fetch_list[0]
self.has_moved.clear()
return move
sleep(REFRESH_DELAY)
raise NoMove("No move in get_move_from_chessboard(...)")
def update_tmp_chessboard(self, move_list: list[str]) -> chess.Board:
"""create a tmp chessboard with the given move list played on it."""
global nl_inst, logger
# if there is a starting FEN, use it
if self.starting_fen is not None:
tmp_chessboard = chess.Board(self.starting_fen)
else:
tmp_chessboard = chess.Board()
# if the move list is not empty
if move_list != [""]:
for move in move_list:
# make the moves on a board
tmp_chessboard.push_uci(move)
return tmp_chessboard
def move_made(self, game_state: GameState) -> None:
"""signal that the opponent moved, signal the external clock
and NicLink
@param: game_state: the gamestate containing the move
"""
logger.info(
"\nmove_made(self, game_state) entered with GameState: %s",
game_state,
)
# check to make sure the game state has moves first
if game_state.has_moves():
move = game_state.get_last_move()
# tell nl about the move
nl_inst.opponent_moved(move)
# tell the user about the move
nl_inst.beep()
logger.info("move made: %s", move)
# if chess_clock send new timestamp to clock
if self.chess_clock:
if not game_state.first_move():
logger.info("\n\nGameState sent to ChessClock: %s \n",
game_state)
self.chess_clock.move_made(game_state)
def handle_state_change(self, game_state: GameState) -> None:
"""Handle a state change in the lichess game.
@param: GameState - The lichess game state we are handlinng wrapped
in a convenience class
"""
global nl_inst, logger
logger.debug("\ngame_state: %s\n", game_state)
# get all the moves of the game
moves = game_state.get_moves()
# update a tmp chessboard with the current state
tmp_chessboard = self.update_tmp_chessboard(moves)
# check for game over
result = tmp_chessboard.outcome()
if result is not None:
# set the winner var
if result.winner is None:
winner = "no winner"
elif result.winner:
winner = "White"
else:
winner = "Black"
print(
f"\n--- GAME OVER ---\nreason: {result.termination}\nwinner: {winner}"
)
logger.info(
"game done detected, calling game_done(). | result: %s | winner: %s\n",
result,
winner,
)
# stop the thread (this does some cleanup and throws an exception)
self.game_done(game_state=game_state)
# a move was made
self.move_made(game_state)
# if there is a chess clock
if self.chess_clock:
# signal move
self.chess_clock.move_made(game_state)
# is it our turn?
if tmp_chessboard.turn == self.playing_white:
# get our move from chessboard
move = self.get_move_from_chessboard(tmp_chessboard)
# make the move
logger.debug(
"calling make_move(%s) to make the move from the chessboard in lila game",
move,
)
self.make_move(move)
def check_for_game_over(self, game_state: GameState) -> None:
"""check a game state to see if the game is through if so raise an exception."""
global logger, nl_inst
logger.debug(
"check_for_game_over(self, game_state) entered w/ gamestate: %s",
game_state,
)
if game_state.winner:
self.game_done(game_state=game_state)
elif nl_inst.game_over.is_set():
self.game_done()
else:
logger.debug("game not found to be over.")
def handle_chat_line(self, chat_line: str) -> None:
"""handle when the other person types something in gamechat
@param: chat_line - the chat line got from lila
@side_effect: changes lights and beep's chess board
"""
global nl_inst
print(chat_line)
# signal_lights set's lights on the chess board
nl_inst.signal_lights(5)
nl_inst.beep()
nl_inst.beep()
# === helper functions ===
def show_FEN_on_board(FEN) -> None:
"""show board FEN on an ascii chessboard
@param FEN - the fed to display on a board"""
tmp_chessboard = chess.Board()
tmp_chessboard.set_fen(FEN)
print(f"show_FEN_on_board: \n{tmp_chessboard}")
def handle_game_start(game_start: GameStart,
chess_clock: bool | ChessClock = False) -> None:
"""handle game start event
@param game_start: Typed Dict containing the game start info
@param chess_clock: ase we using an external chess clock?
@global berserk_client: client made for ous session with lila
@global game: Game class object, global bc has to be accessed everywhere
"""
global berserk_client, logger, game, nl_inst
# check if game speed is correspondence, skip if !--correspondence set
if not correspondence:
if game_start["game"]["speed"] == "correspondence":
logger.info(
"skipping correspondence game w/ id: %s\n",
game_start["game"]["id"],
)
return
# signal game start
nl_inst.signal_lights(6)
logger.info(
"\nhandle_game_start(GameStart) enterd w game_start: \n %s\n",
str(game_start),
)
game_data = LichessGame(game_start["game"])
game_fen = game_data.fen
msg = (f"\ngame start received: {str(game_start)}\nyou play: %s" %
game_data.colour)
print(msg)
logger.debug(msg)
if game_data.hasMoved:
"""handle ongoing game"""
handle_ongoing_game(game_data)
playing_white = game_data.playing_white()
try:
if game and game.is_alive():
logger.error(
"\nERROR: tried to start a new game while game thread is still alive"
)
raise NicLinkHandlingGame(
"the game thread is still alive, a new game can not be started"
)
game = Game(
berserk_client,
game_data.id,
playing_white,
starting_fen=game_fen,
chess_clock=CHESS_CLOCK,
)
game.daemon = True
logger.info("|| starting Game thread for game with id: %s\n",
game_data.id)
game.start() # start the game thread
except ResponseError as e:
if "This game cannot be played with the Board API" in str(e):
print("cannot play this game via board api")
log_handled_exception(e)
except KeyboardInterrupt:
# mak exig good? IDK
sys.exit(0)
def handle_ongoing_game(game: LichessGame) -> None:
"""handle joining a game that is already underway"""
print("\n$$$ joining game in progress $$$\n")
logger.info("joining game in proggress, game: \n %s", game)
if game.isMyTurn:
print("it is your turn. make a move.")
else:
print("it is your opponents turn.")
def handle_resign(event=None) -> None:
"""handle ending the game in the case where you resign."""
global logger, game
# end the game
if event is not None:
logger.info("handle_resign entered: event: %s", event)
game.game_done(event=event)
else:
logger.info("handle_resign entered with no event")
game.game_done()
# entry point
def main():
"""handle startup, and initiation of stuff"""
global berserk_client, nl_inst, REFRESH_DELAY, logger
print("=== NicLink lichess main entered ===")
simplejson_spec = importlib.util.find_spec("simplejson")
if simplejson_spec is not None:
print("""ERROR: simplejson is installed.
The berserk lichess client will not work with simplejson.
Please remove the module. Aborting.""")
sys.exit(-1)
# init NicLink
try:
nl_inst = NicLinkManager(refresh_delay=REFRESH_DELAY, logger=logger)
nl_inst.start()
except ExitNicLink:
logger.error("ExitNicLink exception caught in main()")
print("Thank's for using NicLink")
sys.exit(0)
except Exception as err:
log_handled_exception(err)
print(f"error: {traceback.format_exc()} on NicLink connection.")
sys.exit(-1)
try:
logger.info("reading token from %s", TOKEN_FILE)
with open(TOKEN_FILE) as f:
token = f.read().strip()
except FileNotFoundError:
logger.error("ERROR: cannot find token file @ ", )
sys.exit(-1)
except PermissionError:
logger.error("ERROR: permission denied on token file")
sys.exit(-1)
try:
session = berserk.TokenSession(token)
except Exception:
e = sys.exc_info()[0]
log_handled_exception(e)
print(f"cannot create session: {e}")
logger.info("cannot create session", e)
sys.exit(-1)
try:
if DEBUG:
berserk_client = berserk.Client(session,
base_url="https://lichess.dev")
else:
berserk_client = berserk.Client(session)
except KeyboardInterrupt as err:
log_handled_exception(err)
print("KeyboardInterrupt: bye")
sys.exit(0)
except Exception:
e = sys.exc_info()[0]
error_txt = f"cannot create lichess client: {e}"
logger.error(error_txt)
print(error_txt)
sys.exit(-1)
# get username
try:
account_info = berserk_client.account.get()
username = account_info["username"]
print(f"\nUSERNAME: {username}\n")
except KeyboardInterrupt:
print("KeyboardInterrupt: bye")
sys.exit(0)
except Exception:
e = sys.exc_info()[0]
logger.error("cannot get lichess account info: %s", e)
print(f"cannot get lichess account info: {e}")
sys.exit(-1)
try:
# main program loop
while True:
try:
logger.debug("==== lichess event loop start ====\n")
print("=== Waiting for lichess event ===")
for event in berserk_client.board.stream_incoming_events():
if event["type"] == "challenge":
logger.info("challenge received: %s", event)
print("\n==== Challenge received ====\n")
print(event)
elif event["type"] == "gameStart":
# wrap the gameStart in a Typed Dict class
gameStart = GameStart(event)
# and handle getting it started
handle_game_start(gameStart)
elif event["type"] == "gameFull":
logger.info("\ngameFull received\n")
handle_resign(event)
print("GAME FULL received")
# check for kill switch
if nl_inst.kill_switch.is_set():
sys.exit(0)
logger.info("berserk stream exited")
sleep(POLL_DELAY)
except KeyboardInterrupt:
logger.info("KeyboardInterrupt: bye")
try:
nl_inst.kill_switch.set()
except Exception as err:
log_handled_exception(err)
finally:
raise ExitNicLink("KeyboardInterrupt in __main__")
except ResponseError as e:
logger.error("Invalid server response: %s", e)
if "Too Many Requests for url" in str(e):
sleep(10)
except NicLinkGameOver:
logger.info("NicLinkGameOver excepted, good game?")
print(
"game over, start another. \nWaiting for lichess event...")
handle_resign()
except ExitNicLink:
print("Have a nice life")
sys.exit(0)
if __name__ == "__main__":
main()