mau_mau_bot/deck.py
Jannes Höke 6204868a18 separate game logic from bot interface,
introduce exceptions instead of boolean returns,
remove repetitive code,
begin unit tests,
improve docstrings,
update to python-telegram-bot==4.1.1,
add ponyorm settings classes (unused)
2016-05-19 20:56:52 +02:00

71 lines
2.2 KiB
Python

#!/usr/bin/env python3
#
# Telegram bot to play UNO in group chats
# Copyright (c) 2016 Jannes Höke <uno@jhoeke.de>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from random import shuffle
import logging
import card as c
from card import Card
from errors import DeckEmptyError
class Deck(object):
""" This class represents a deck of cards """
def __init__(self):
self.cards = list()
self.graveyard = list()
self.logger = logging.getLogger(__name__)
# Fill deck
for color in c.COLORS:
for value in c.VALUES:
self.cards.append(Card(color, value))
if not value == c.ZERO:
self.cards.append(Card(color, value))
for special in c.SPECIALS * 4:
self.cards.append(Card(None, None, special=special))
self.logger.debug(self.cards)
self.shuffle()
def shuffle(self):
"""Shuffles the deck"""
self.logger.debug("Shuffling Deck")
shuffle(self.cards)
def draw(self):
"""Draws a card from this deck"""
try:
card = self.cards.pop()
self.logger.debug("Drawing card " + str(card))
return card
except IndexError:
if len(self.graveyard):
while len(self.graveyard):
self.cards.append(self.graveyard.pop())
self.shuffle()
return self.draw()
else:
raise DeckEmptyError()
def dismiss(self, card):
"""Returns a card to the deck"""
self.graveyard.append(card)