def draw(self):
'''
Draws a card from the top of the deck and adds it to player's hand.
:raises BlackjackException: if player is standing, won or lost the hand
'''
if self.is_standing():
raise BlackjackException("{0} is standing.".format(self.name))
if self.is_loser():
raise BlackjackException("{0} lost.".format(self.name))
self.hand.draw()
def hit(self):
'''
Draws a card for the first player.
:raises BlackjackException: if game came to a conclusion or if it's not player's turn
'''
if self.is_end():
raise BlackjackException("Game ended.")
if self.dealer_turn:
raise BlackjackException("Not player\'s turn.")
self.player.draw()
def stand(self):
'''
Stands the hand and cedes the turn to another player.
:raises BlackjackException: if player is standing, won or lost the hand
'''
if self.is_standing():
raise BlackjackException("{0} is already standing.".format(
self.name))
if self.is_loser():
raise BlackjackException("{0} lost.".format(self.name))
self.standing = True
def deal(self):
'''
Lets the dealer to take a decision to play.
:raises BlackjackException: if game came to a conclusion or if it's not dealer's turn
'''
if self.is_end():
raise BlackjackException("Game ended.")
if not self.dealer_turn:
raise BlackjackException("Not dealer\'s turn.")
move = self.dealer.proceed()
return move
def stand(self):
'''
Stands first player's turn and passes the turn to the dealer.
:raises BlackjackException: if game came to a conclusion or if it's not player's turn, if player's already standing
'''
if self.is_end():
raise BlackjackException("Game ended.")
if self.dealer_turn:
raise BlackjackException("You\'re already standing.")
self.player.stand()
self.dealer_turn = True
def draw(self):
'''
Draws a card from the stack.
:return: Card - the card from the top of the stack is popped
:raises BlackjackException: if all cards have been popped and no cards are left in the stack
'''
if len(self.stack) == 0:
raise BlackjackException("No cards left.")
return self.stack.pop()
def proceed(self):
'''
Performs the next move of the autoplayer.
:return: string - name of autoplayer's move
:raises BlackjackException: if the personality does not returns a valid move
'''
move = self.personality.think()
if move == "hit":
self.draw()
elif move == "stand":
self.stand()
else:
raise BlackjackException("Invalid move.")
return move