Py-Hanabi/instance_finder.py

175 lines
6.9 KiB
Python

import json
from site_api import get, api, replay
from sat import COLORS, solve_sat
from database import Game, store, load, commit, conn
from download_data import export_game
from variants import num_suits, VARIANTS, variant_name
from alive_progress import alive_bar
from compress import decompress_deck, link
import concurrent.futures
from threading import Lock
from time import sleep, perf_counter
from greedy_solver import GameState, GreedyStrategy
from logger_setup import logger
MAX_PROCESSES=4
def update_seeds_db():
cur2 = conn.cursor()
with conn.cursor() as cur:
cur.execute("SELECT num_players, seed, variant_id from games;")
for (num_players, seed, variant_id) in cur:
cur2.execute("SELECT COUNT(*) from seeds WHERE seed = (%s);", (seed,))
if cur2.fetchone()[0] == 0:
print("new seed {}".format(seed))
cur2.execute("INSERT INTO seeds"
"(seed, num_players, variant_id)"
"VALUES"
"(%s, %s, %s)",
(seed, num_players, variant_id)
)
conn.commit()
else:
print("seed {} already found in DB".format(seed))
def get_decks_of_seeds():
cur = conn.cursor()
cur2 = conn.cursor()
cur.execute("SELECT seed FROM seeds WHERE deck is NULL")
for (seed,) in cur:
cur2.execute("SELECT id FROM games WHERE seed = (%s)", (seed,))
(game_id,) = cur2.fetchone()
print("Exporting game {} for seed {}.".format(game_id, seed))
export_game(game_id)
conn.commit()
def update_trivially_feasible_games():
cur = conn.cursor()
for var in VARIANTS:
cur.execute("SELECT seed FROM seeds WHERE variant_id = (%s) AND feasible is null", (var['id'],))
seeds = cur.fetchall()
print('Checking variant {} (id {}), found {} seeds to check...'.format(var['name'], var['id'], len(seeds)))
with alive_bar(total=len(seeds), title='{} ({})'.format(var['name'], var['id'])) as bar:
for (seed,) in seeds:
cur.execute("SELECT id, deck_plays, one_extra_card, one_less_card, all_or_nothing "
"FROM games WHERE score = (%s) AND seed = (%s) ORDER BY id;",
(5 * len(var['suits']), seed)
)
res = cur.fetchall()
print("Checking seed {}: {:3} results".format(seed, len(res)))
for (game_id, a, b, c, d) in res:
if None in [a,b,c,d]:
print(' Game {} not found in database, exporting...'.format(game_id))
succ, valid = export_game(game_id)
if not succ:
print('Error exporting game {}.'.format(game_id))
continue
else:
valid = not any([a,b,c,d])
print(' Game {} already in database, valid: {}'.format(game_id, valid))
if valid:
print('Seed {:10} (variant {} / {}) found to be feasible via game {:6}'.format(seed, var['id'], var['name'], game_id))
cur.execute("UPDATE seeds SET feasible = (%s) WHERE seed = (%s)", (True, seed))
conn.commit()
break
else:
print(' Cheaty game found')
bar()
def get_decks_for_all_seeds():
cur = conn.cursor()
cur.execute("SELECT id "
"FROM games "
" INNER JOIN seeds "
" ON seeds.seed = games.seed"
" WHERE"
" seeds.deck is null"
" AND"
" games.id = ("
" SELECT id FROM games WHERE games.seed = seeds.seed LIMIT 1"
" )"
)
print("Exporting decks for all seeds")
res = cur.fetchall()
with alive_bar(len(res), title="Exporting decks") as bar:
for (game_id,) in res:
export_game(game_id)
bar()
mutex = Lock()
def solve_instance(num_players, deck):
for num_remaining_cards in [0, 5, 10, 20, 30]:
# print("trying with {} greedy moves".format(num_greedy_moves))
game = GameState(num_players, deck)
strat = GreedyStrategy(game)
# make a number of greedy moves
while not game.is_over() and not game.is_known_lost():
if num_remaining_cards != 0 and game.progress == game.deck_size - num_remaining_cards:
break # stop solution here
strat.make_move()
# check if we won already
if game.is_won():
# print("won with greedy strat")
return True, game, num_remaining_cards
# now, apply sat solver
if not game.is_over():
solvable, sol = solve_sat(game)
if solvable:
return solvable, sol, num_remaining_cards
logger.info("No success, reducing number of greedy moves, failed attempt was: {}".format(link(game.to_json())))
# print("Aborting trying with greedy strat")
logger.info("Starting full SAT solver")
game = GameState(num_players, deck)
a, b = solve_sat(game)
return a, b, 99
def solve_seed(seed, num_players, deck_compressed, var_id):
deck = decompress_deck(deck_compressed)
t0 = perf_counter()
solvable, solution, num_remaining_cards = solve_instance(num_players, deck)
t1 = perf_counter()
logger.info("Solved instance {} in {} seconds".format(seed, round(t1-t0, 2)))
mutex.acquire()
lcur = conn.cursor()
lcur.execute("UPDATE seeds SET feasible = (%s) WHERE seed = (%s)", (solvable, seed))
conn.commit()
if solvable:
with open("remaining_cards.txt", "a") as f:
f.write("Success with {} cards left in draw by greedy solver on seed {}: {}\n".format(num_remaining_cards, seed ,link(solution.to_json())))
if not solvable:
logger.info("seed {} was not solvable".format(seed))
with open('infeasible_instances.txt', 'a') as f:
f.write('{}-player, seed {:10}, {}\n'.format(num_players, seed, variant_name(var_id)))
mutex.release()
def solve_unknown_seeds():
cur = conn.cursor()
for var in VARIANTS:
cur.execute("SELECT seed, num_players, deck FROM seeds WHERE variant_id = (%s) AND feasible IS NULL AND deck IS NOT NULL", (var['id'],))
res = cur.fetchall()
with concurrent.futures.ProcessPoolExecutor(max_workers=MAX_PROCESSES) as executor:
fs = [executor.submit(solve_seed, r[0], r[1], r[2], var['id']) for r in res]
with alive_bar(len(res), title='Seed solving on {}'.format(var['name'])) as bar:
for f in concurrent.futures.as_completed(fs):
bar()
break
solve_unknown_seeds()