204 lines
No EOL
8 KiB
Python
204 lines
No EOL
8 KiB
Python
from typing import Optional
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import pebble.concurrent
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import concurrent.futures
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import traceback
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from hanabi.solvers.sat import solve_sat
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from hanabi.database.database import conn, cur
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from hanabi.live.download_data import detailed_export_game
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from alive_progress import alive_bar
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from hanabi.live.compress import decompress_deck, link
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from hanabi.game import HanabiInstance
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from threading import Lock
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from time import perf_counter
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from hanabi.solvers.greedy_solver import GameState, GreedyStrategy
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from hanabi import logger
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from hanabi.solvers.deck_analyzer import analyze, InfeasibilityReason
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from hanabi.live.variants import Variant
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MAX_PROCESSES = 6
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def update_seeds_db():
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cur2 = conn.cursor()
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with conn.cursor() as cur:
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cur.execute("SELECT num_players, seed, variant_id from games;")
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for (num_players, seed, variant_id) in cur:
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cur2.execute("SELECT COUNT(*) from seeds WHERE seed = (%s);", (seed,))
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if cur2.fetchone()[0] == 0:
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print("new seed {}".format(seed))
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cur2.execute("INSERT INTO seeds"
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"(seed, num_players, variant_id)"
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"VALUES"
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"(%s, %s, %s)",
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(seed, num_players, variant_id)
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)
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conn.commit()
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else:
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print("seed {} already found in DB".format(seed))
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def get_decks_of_seeds():
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cur2 = conn.cursor()
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cur.execute("SELECT seed, variant_id FROM seeds WHERE deck is NULL")
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for (seed, variant_id) in cur:
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cur2.execute("SELECT id FROM games WHERE seed = (%s) LIMIT 1", (seed,))
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(game_id,) = cur2.fetchone()
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logger.verbose("Exporting game {} for seed {}.".format(game_id, seed))
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detailed_export_game(game_id, var_id=variant_id, seed_exists=True)
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conn.commit()
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def update_trivially_feasible_games(variant_id):
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variant: Variant = Variant.from_db(variant_id)
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cur.execute("SELECT seed FROM seeds WHERE variant_id = (%s) AND feasible is null", (variant_id,))
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seeds = cur.fetchall()
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print('Checking variant {} (id {}), found {} seeds to check...'.format(variant.name, variant_id, len(seeds)))
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with alive_bar(total=len(seeds), title='{} ({})'.format(variant.name, variant_id)) as bar:
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for (seed,) in seeds:
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cur.execute("SELECT id, deck_plays, one_extra_card, one_less_card, all_or_nothing "
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"FROM games WHERE score = (%s) AND seed = (%s) ORDER BY id;",
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(variant.max_score, seed)
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)
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res = cur.fetchall()
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logger.debug("Checking seed {}: {:3} results".format(seed, len(res)))
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for (game_id, a, b, c, d) in res:
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if None in [a, b, c, d]:
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logger.debug(' Game {} not found in database, exporting...'.format(game_id))
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detailed_export_game(game_id, var_id=variant_id)
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else:
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logger.debug(' Game {} already in database'.format(game_id, valid))
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valid = not any([a, b, c, d])
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if valid:
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logger.verbose('Seed {:10} (variant {}) found to be feasible via game {:6}'.format(seed, variant_id, game_id))
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cur.execute("UPDATE seeds SET feasible = (%s) WHERE seed = (%s)", (True, seed))
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conn.commit()
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break
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else:
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logger.verbose(' Cheaty game found')
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bar()
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def get_decks_for_all_seeds():
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cur = conn.cursor()
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cur.execute("SELECT id "
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"FROM games "
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" INNER JOIN seeds "
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" ON seeds.seed = games.seed"
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" WHERE"
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" seeds.deck is null"
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" AND"
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" games.id = ("
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" SELECT id FROM games WHERE games.seed = seeds.seed LIMIT 1"
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" )"
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)
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print("Exporting decks for all seeds")
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res = cur.fetchall()
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with alive_bar(len(res), title="Exporting decks") as bar:
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for (game_id,) in res:
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detailed_export_game(game_id)
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bar()
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mutex = Lock()
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def solve_instance(instance: HanabiInstance):
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# first, sanity check on running out of pace
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result = analyze(instance)
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if result is not None:
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assert type(result) == InfeasibilityReason
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logger.debug("found infeasible deck")
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return False, None, None
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for num_remaining_cards in [0, 20]:
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# logger.info("trying with {} remaining cards".format(num_remaining_cards))
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game = GameState(instance)
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strat = GreedyStrategy(game)
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# make a number of greedy moves
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while not game.is_over() and not game.is_known_lost():
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if num_remaining_cards != 0 and game.progress == game.deck_size - num_remaining_cards:
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break # stop solution here
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strat.make_move()
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# check if we won already
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if game.is_won():
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# print("won with greedy strat")
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return True, game, num_remaining_cards
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# now, apply sat solver
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if not game.is_over():
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logger.debug("continuing greedy sol with SAT")
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solvable, sol = solve_sat(game)
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if solvable is None:
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return True, sol, num_remaining_cards
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logger.debug(
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"No success with {} remaining cards, reducing number of greedy moves, failed attempt was: {}".format(
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num_remaining_cards, link(game)))
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# print("Aborting trying with greedy strat")
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logger.debug("Starting full SAT solver")
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game = GameState(instance)
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a, b = solve_sat(game)
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return a, b, instance.draw_pile_size
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@pebble.concurrent.process(timeout=150)
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def solve_seed_with_timeout(seed, num_players, deck_compressed, var_name: Optional[str] = None):
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try:
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logger.verbose("Starting to solve seed {}".format(seed))
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deck = decompress_deck(deck_compressed)
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t0 = perf_counter()
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solvable, solution, num_remaining_cards = solve_instance(HanabiInstance(deck, num_players))
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t1 = perf_counter()
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logger.verbose("Solved instance {} in {} seconds: {}".format(seed, round(t1 - t0, 2), solvable))
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mutex.acquire()
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if solvable is not None:
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cur.execute("UPDATE seeds SET feasible = (%s) WHERE seed = (%s)", (solvable, seed))
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conn.commit()
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mutex.release()
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if solvable == True:
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logger.verbose("Success with {} cards left in draw by greedy solver on seed {}: {}\n".format(
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num_remaining_cards, seed, link(solution))
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)
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elif solvable == False:
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logger.debug("seed {} was not solvable".format(seed))
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logger.debug('{}-player, seed {:10}, {}\n'.format(num_players, seed, var_name))
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elif solvable is None:
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logger.verbose("seed {} skipped".format(seed))
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else:
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raise Exception("Programming Error")
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except Exception as e:
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print("exception in subprocess:")
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traceback.print_exc()
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def solve_seed(seed, num_players, deck_compressed, var_name: Optional[str] = None):
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f = solve_seed_with_timeout(seed, num_players, deck_compressed, var_name)
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try:
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return f.result()
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except TimeoutError:
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logger.verbose("Solving on seed {} timed out".format(seed))
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return
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def solve_unknown_seeds(variant_id, variant_name: Optional[str] = None):
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cur.execute("SELECT seed, num_players, deck FROM seeds WHERE variant_id = (%s) AND feasible IS NULL", (variant_id,))
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res = cur.fetchall()
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# for r in res:
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# solve_seed(r[0], r[1], r[2], variant_name)
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with concurrent.futures.ProcessPoolExecutor(max_workers=MAX_PROCESSES) as executor:
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fs = [executor.submit(solve_seed, r[0], r[1], r[2], variant_name) for r in res]
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with alive_bar(len(res), title='Seed solving on {}'.format(variant_name)) as bar:
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for f in concurrent.futures.as_completed(fs):
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bar()
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update_trivially_feasible_games(0)
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solve_unknown_seeds(0, "No Variant") |