A texasholdem python package
Project description
texasholdem
A python package for Texas Hold 'Em Poker.
Current Release Version v0.4.3
Contributing
To be added as a contributor, please email me at evyn.machi@gmail.com with your GitHub username and mention one of the open issues / a new issue you would like to tackle first. For more information about contributing, please see the wiki.
Install
pip install texasholdem
Quickstart Guide
Playing a game from the command line is as simple as the following:
from texasholdem import TexasHoldEm, TextGUI
game = TexasHoldEm(buyin=500,
big_blind=5,
small_blind=2,
max_players=6)
gui = TextGUI()
gui.set_player_ids(list(range(6))) # see all cards
while game.is_game_running():
game.start_hand()
while game.is_hand_running():
gui.print_state(game)
action, val = gui.accept_input()
while not game.validate_move(game.current_player, action, val):
print(f"{action} {val} is not valid for player {game.current_player}")
action, val = gui.accept_input()
gui.print_action(game.current_player, action, val)
game.take_action(action, val)
Game Information
Get game information and take actions through intuitive attributes:
from texasholdem import TexasHoldEm, HandPhase, ActionType
game = TexasHoldEm(buyin=500,
big_blind=5,
small_blind=2,
max_players=9)
game.start_hand()
assert game.hand_phase == HandPhase.PREFLOP
assert HandPhase.PREFLOP.next_phase() == HandPhase.FLOP
assert game.chips_to_call(game.current_player) == game.big_blind
game.take_action(ActionType.CALL)
game.take_action(ActionType.RAISE, value=10)
assert game.chips_to_call(game.current_player) == 10 - game.big_blind
Card Module
The card module represents cards as 32-bit integers for simple and fast hand
evaluations. For more information about the representation, see the Card
module.
from texasholdem import Card
card = Card("Kd") # King of Diamonds
assert isinstance(card, int) # True
assert card.rank == 11 # 2nd highest rank (0-12)
assert card.pretty_string == "[ K ♦ ]"
The game.get_hand(player_id=...)
method of the TexasHoldEm
class
will return a list of type list[Card]
.
Evaluator Module
The evaluator module returns the rank of the best 5-card hand from a list of 5 to 7 cards.
The rank is a number from 1 (strongest) to 7462 (weakest). This determines the winner in the TexasHoldEm
module:
from texasholdem import Card, evaluate, rank_to_string
assert evaluate(cards=[Card("Kd"), Card("5d")],
board=[Card("Qd"),
Card("6d"),
Card("5s"),
Card("2d"),
Card("5h")]) == 927
assert rank_to_string(927) == "Flush, King High"
History Module
Export and import the history of hands:
from texasholdem import TexasHoldEm, TextGUI
game = TexasHoldEm(buyin=500, big_blind=5, small_blind=2)
game.start_hand()
while game.is_hand_running():
game.take_action(*some_strategy(game))
# export to file
game.export_history("./pgns/my_game.pgn")
# import and replay
gui = TextGUI()
for state in TexasHoldEm.import_history("./pgns/my_game.pgn"):
gui.print_state(state)
PGN files also support single line and end of line comments starting with "#".
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