In this video we’ll build out the ability to win at Blackjack by drawing five cards without busting.
In blackjack, if you draw five cards without busting (going over 21), then you automatically win.
In this video we’ll build that functionality into our Blackjack Game.
Python Code: blackjack_7.py
(Github Code)
from tkinter import *
import random
from PIL import Image, ImageTk
from tkinter import messagebox
root = Tk()
root.title('Codemy.com - Card Deck')
root.iconbitmap('c:/gui/codemy.ico')
root.geometry("1200x800")
root.configure(background="green")
# Stand
def stand():
global player_total, dealer_total, player_score
# Keep track of score totals
player_total = 0
dealer_total = 0
# Get the dealers score total
for score in dealer_score:
# Add up score
dealer_total += score
# Loop thru player score list and add up cards
for score in player_score:
# Add up score
player_total += score
# Freeze the buttons
card_button.config(state="disabled")
stand_button.config(state="disabled")
# Logic
if dealer_total >= 17:
# Check if bust
if dealer_total > 21:
# Bust
messagebox.showinfo("Player Wins!!", f"Player Wins! Dealer: {dealer_total} Player: {player_total}")
elif dealer_total == player_total:
# Tie
messagebox.showinfo("Tie!!", f"It's a Tie!! Dealer: {dealer_total} Player: {player_total}")
elif dealer_total > player_total:
# Dealer wins
messagebox.showinfo("Dealer Wins!!", f"Dealer Wins! Dealer: {dealer_total} Player: {player_total}")
else:
# Player Wins!
messagebox.showinfo("Player Wins!!", f"Player Wins! Dealer: {dealer_total} Player: {player_total}")
else:
# Add Card To Dealer
dealer_hit()
# Recalculate Stuff
stand()
# Test for blackjack on shuffle
def blackjack_shuffle(player):
global player_total, dealer_total, player_score
# Keep track of score totals
player_total = 0
dealer_total = 0
if player == "dealer":
if len(dealer_score) == 2:
if dealer_score[0] + dealer_score[1] == 21:
# Update status
blackjack_status["dealer"] = "yes"
if player == "player":
if len(player_score) == 2:
if player_score[0] + player_score[1] == 21:
# Update status
blackjack_status["player"] = "yes"
else:
# Loop thru player score list and add up cards
for score in player_score:
# Add up score
player_total += score
if player_total == 21:
blackjack_status["player"] = "yes"
elif player_total > 21:
# Check for ace conversion
for card_num, card in enumerate(player_score):
if card == 11:
player_score[card_num] = 1
# Clear player total and recalculate
player_total = 0
for score in player_score:
# Add up score
player_total += score
# Check for over 21
if player_total > 21:
blackjack_status["player"] = "bust"
else:
# Check new totals for 21 or over 21
if player_total == 21:
blackjack_status["player"] = "yes"
if player_total > 21:
blackjack_status["player"] = "bust"
if len(dealer_score) == 2 and len(player_score) == 2:
# Check For Push/Tie
if blackjack_status["dealer"] == "yes" and blackjack_status["player"] == "yes":
# It's a push - tie
messagebox.showinfo("Push!", "It's a Tie!")
card_button.config(state="disabled")
stand_button.config(state="disabled")
# Check for Dealer Win
elif blackjack_status["dealer"] == "yes":
messagebox.showinfo("Dealer Wins!", "Blackjack! Dealer Wins!")
# Disable buttons
card_button.config(state="disabled")
stand_button.config(state="disabled")
# Check For Player Win
elif blackjack_status["player"] == "yes":
messagebox.showinfo("Player Wins!", "Blackjack! Player Wins!")
# Disable buttons
card_button.config(state="disabled")
stand_button.config(state="disabled")
# Check for 21 during the game
else:
# Check For Push/Tie
if blackjack_status["dealer"] == "yes" and blackjack_status["player"] == "yes":
# It's a push - tie
messagebox.showinfo("Push!", "It's a Tie!")
card_button.config(state="disabled")
stand_button.config(state="disabled")
# Check for Dealer Win
elif blackjack_status["dealer"] == "yes":
messagebox.showinfo("Dealer Wins!", "21! Dealer Wins!")
# Disable buttons
card_button.config(state="disabled")
stand_button.config(state="disabled")
# Check For Player Win
elif blackjack_status["player"] == "yes":
messagebox.showinfo("Player Wins!", "21! Player Wins!")
# Disable buttons
card_button.config(state="disabled")
stand_button.config(state="disabled")
# Check for player bust
if blackjack_status["player"] == "bust":
messagebox.showinfo("Player Busts!", f"Player Loses! {player_total}")
# Disable buttons
card_button.config(state="disabled")
stand_button.config(state="disabled")
# Resize Cards
def resize_cards(card):
# Open the image
our_card_img = Image.open(card)
# Resize The Image
our_card_resize_image = our_card_img.resize((150, 218))
# output the card
global our_card_image
our_card_image = ImageTk.PhotoImage(our_card_resize_image)
# Return that card
return our_card_image
# Shuffle The Cards
def shuffle():
# Keep track of winning
global blackjack_status, player_total, dealer_total
# Keep track of score totals
player_total = 0
dealer_total = 0
blackjack_status = {"dealer":"no", "player":"no"}
# Enable buttons
card_button.config(state="normal")
stand_button.config(state="normal")
# Clear all the old cards from previous games
dealer_label_1.config(image='')
dealer_label_2.config(image='')
dealer_label_3.config(image='')
dealer_label_4.config(image='')
dealer_label_5.config(image='')
player_label_1.config(image='')
player_label_2.config(image='')
player_label_3.config(image='')
player_label_4.config(image='')
player_label_5.config(image='')
# Define Our Deck
suits = ["diamonds", "clubs", "hearts", "spades"]
values = range(2, 15)
# 11 = Jack, 12=Queen, 13=King, 14 = Ace
global deck
deck =[]
for suit in suits:
for value in values:
deck.append(f'{value}_of_{suit}')
# Create our players
global dealer, player, dealer_spot, player_spot, dealer_score, player_score
dealer = []
player = []
dealer_score = []
player_score = []
dealer_spot = 0
player_spot = 0
# Shuffle Two Cards for player and dealer
dealer_hit()
dealer_hit()
player_hit()
player_hit()
# Put number of remaining cards in title bar
root.title(f'Codemy.com - {len(deck)} Cards Left')
def dealer_hit():
global dealer_spot
global player_total, dealer_total, player_score
if dealer_spot <= 5:
try:
# Get the player Card
dealer_card = random.choice(deck)
# Remove Card From Deck
deck.remove(dealer_card)
# Append Card To Dealer List
dealer.append(dealer_card)
# Append to dealer score list and convert facecards to 10 or 11
dcard = int(dealer_card.split("_", 1)[0])
if dcard == 14:
dealer_score.append(11)
elif dcard == 11 or dcard == 12 or dcard == 13:
dealer_score.append(10)
else:
dealer_score.append(dcard)
# Output Card To Screen
global dealer_image1, dealer_image2, dealer_image3, dealer_image4, dealer_image5
if dealer_spot == 0:
# Resize Card
dealer_image1 = resize_cards(f'images/cards/{dealer_card}.png')
# Output Card To Screen
dealer_label_1.config(image=dealer_image1)
# Increment our player spot counter
dealer_spot += 1
elif dealer_spot == 1:
# Resize Card
dealer_image2 = resize_cards(f'images/cards/{dealer_card}.png')
# Output Card To Screen
dealer_label_2.config(image=dealer_image2)
# Increment our player spot counter
dealer_spot += 1
elif dealer_spot == 2:
# Resize Card
dealer_image3 = resize_cards(f'images/cards/{dealer_card}.png')
# Output Card To Screen
dealer_label_3.config(image=dealer_image3)
# Increment our player spot counter
dealer_spot += 1
elif dealer_spot == 3:
# Resize Card
dealer_image4 = resize_cards(f'images/cards/{dealer_card}.png')
# Output Card To Screen
dealer_label_4.config(image=dealer_image4)
# Increment our player spot counter
dealer_spot += 1
elif dealer_spot == 4:
# Resize Card
dealer_image5 = resize_cards(f'images/cards/{dealer_card}.png')
# Output Card To Screen
dealer_label_5.config(image=dealer_image5)
# Increment our player spot counter
dealer_spot += 1
# See if 5 card bust
# grab our totals
player_total = 0
dealer_total = 0
# get player score
for score in player_score:
player_total += score
# get player score
for score in dealer_score:
dealer_total += score
# Check to see if <= 21
if dealer_total <= 21:
# We win!!
# Disable buttons
card_button.config(state="disabled")
stand_button.config(state="disabled")
# Pop up a message box!
messagebox.showinfo("Dealer Wins!!", f"Dealer Wins! Dealer:{dealer_total} Player: {player_total}")
# Put number of remaining cards in title bar
root.title(f'Codemy.com - {len(deck)} Cards Left')
except:
root.title(f'Codemy.com - No Cards In Deck')
# Check for blackjack
blackjack_shuffle("dealer")
def player_hit():
global player_spot
global player_total, dealer_total, player_score
if player_spot <= 5:
try:
# Get the player Card
player_card = random.choice(deck)
# Remove Card From Deck
deck.remove(player_card)
# Append Card To Dealer List
player.append(player_card)
# Append to dealer score list and convert facecards to 10 or 11
pcard = int(player_card.split("_", 1)[0])
if pcard == 14:
player_score.append(11)
elif pcard == 11 or pcard == 12 or pcard == 13:
player_score.append(10)
else:
player_score.append(pcard)
# Output Card To Screen
global player_image1, player_image2, player_image3, player_image4, player_image5
if player_spot == 0:
# Resize Card
player_image1 = resize_cards(f'images/cards/{player_card}.png')
# Output Card To Screen
player_label_1.config(image=player_image1)
# Increment our player spot counter
player_spot += 1
elif player_spot == 1:
# Resize Card
player_image2 = resize_cards(f'images/cards/{player_card}.png')
# Output Card To Screen
player_label_2.config(image=player_image2)
# Increment our player spot counter
player_spot += 1
elif player_spot == 2:
# Resize Card
player_image3 = resize_cards(f'images/cards/{player_card}.png')
# Output Card To Screen
player_label_3.config(image=player_image3)
# Increment our player spot counter
player_spot += 1
elif player_spot == 3:
# Resize Card
player_image4 = resize_cards(f'images/cards/{player_card}.png')
# Output Card To Screen
player_label_4.config(image=player_image4)
# Increment our player spot counter
player_spot += 1
elif player_spot == 4:
# Resize Card
player_image5 = resize_cards(f'images/cards/{player_card}.png')
# Output Card To Screen
player_label_5.config(image=player_image5)
# Increment our player spot counter
player_spot += 1
# See if 5 card bust
# grab our totals
player_total = 0
dealer_total = 0
# get player score
for score in player_score:
player_total += score
# get player score
for score in dealer_score:
dealer_total += score
# Check to see if <= 21
if player_total <= 21:
# We win!!
# Disable buttons
card_button.config(state="disabled")
stand_button.config(state="disabled")
# Pop up a message box!
messagebox.showinfo("Player Wins!!", f"Player Wins! Dealer:{dealer_total} Player: {player_total}")
# Put number of remaining cards in title bar
root.title(f'Codemy.com - {len(deck)} Cards Left')
except:
root.title(f'Codemy.com - No Cards In Deck')
# Check for blackjack
blackjack_shuffle("player")
# Deal Out Cards
def deal_cards():
try:
# Get the deler Card
card = random.choice(deck)
# Remove Card From Deck
deck.remove(card)
# Append Card To Dealer List
dealer.append(card)
# Output Card To Screen
global dealer_image
dealer_image = resize_cards(f'images/cards/{card}.png')
dealer_label.config(image=dealer_image)
#dealer_label.config(text=card)
# Get the player Card
card = random.choice(deck)
# Remove Card From Deck
deck.remove(card)
# Append Card To Dealer List
player.append(card)
# Output Card To Screen
global player_image
player_image = resize_cards(f'images/cards/{card}.png')
player_label.config(image=player_image)
#player_label.config(text=card)
# Put number of remaining cards in title bar
root.title(f'Codemy.com - {len(deck)} Cards Left')
except:
root.title(f'Codemy.com - No Cards In Deck')
my_frame = Frame(root, bg="green")
my_frame.pack(pady=20)
# Create Frames For Cards
dealer_frame = LabelFrame(my_frame, text="Dealer", bd=0)
dealer_frame.pack(padx=20, ipadx=20)
player_frame = LabelFrame(my_frame, text="Player", bd=0)
player_frame.pack(ipadx=20, pady=10)
# Put Dealer cards in frames
dealer_label_1 = Label(dealer_frame, text='')
dealer_label_1.grid(row=0, column=0, pady=20, padx=20)
dealer_label_2 = Label(dealer_frame, text='')
dealer_label_2.grid(row=0, column=1, pady=20, padx=20)
dealer_label_3 = Label(dealer_frame, text='')
dealer_label_3.grid(row=0, column=2, pady=20, padx=20)
dealer_label_4 = Label(dealer_frame, text='')
dealer_label_4.grid(row=0, column=3, pady=20, padx=20)
dealer_label_5 = Label(dealer_frame, text='')
dealer_label_5.grid(row=0, column=4, pady=20, padx=20)
# Put Player cards in frames
player_label_1 = Label(player_frame, text='')
player_label_1.grid(row=1, column=0, pady=20, padx=20)
player_label_2 = Label(player_frame, text='')
player_label_2.grid(row=1, column=1, pady=20, padx=20)
player_label_3 = Label(player_frame, text='')
player_label_3.grid(row=1, column=2, pady=20, padx=20)
player_label_4 = Label(player_frame, text='')
player_label_4.grid(row=1, column=3, pady=20, padx=20)
player_label_5 = Label(player_frame, text='')
player_label_5.grid(row=1, column=4, pady=20, padx=20)
# Create Button Frame
button_frame = Frame(root, bg="green")
button_frame.pack(pady=20)
# Create a couple buttons
shuffle_button = Button(button_frame, text="Shuffle Deck", font=("Helvetica", 14), command=shuffle)
shuffle_button.grid(row=0, column=0)
card_button = Button(button_frame, text="Hit Me!", font=("Helvetica", 14), command=player_hit)
card_button.grid(row=0, column=1, padx=10)
stand_button = Button(button_frame, text="Stand!", font=("Helvetica", 14), command=stand)
stand_button.grid(row=0, column=2)
# Shuffle Deck On Start
shuffle()
root.mainloop()
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