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BTSASS_SE/Groupchatgopi.py
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import tkinter as tk | |
from tkinter import simpledialog | |
from tkinter.scrolledtext import ScrolledText | |
import paho.mqtt.client as mqtt | |
import json | |
from datetime import datetime | |
# Configuration for connecting to an MQTT broker | |
MQTT_BROKER = "broker.hivemq.com" | |
MQTT_PORT = 1883 | |
MQTT_TOPIC = "social_platform/group_chat" | |
# User credentials for demonstration purposes | |
user_auth = { | |
"Gopi": "gopiPass123", | |
"Leo": "leoSecure456", | |
"Daniel": "danielSafe789", | |
"Gurchandan": "gurchandanKey012", | |
"Jaskaran": "jaskaranLock345", | |
"Justice": "justiceGate678" | |
} | |
# Validates user login | |
def user_login(): | |
global username | |
username = simpledialog.askstring("Login", "Username:") | |
passcode = simpledialog.askstring("Password", "Password:", show='*') | |
if username in user_auth and user_auth[username] == passcode: | |
print("Access Granted.") | |
return True | |
else: | |
print("Access Denied.") | |
return False | |
# Initializing MQTT client and callback functions setup | |
client = mqtt.Client() | |
# Establishing connection with the MQTT broker | |
try: | |
client.connect(MQTT_BROKER, MQTT_PORT, 60) | |
except Exception as err: | |
print(f"Could not connect to broker: {err}") | |
exit() | |
client.loop_start() | |
# Sends user messages to the chat | |
def publish_message(): | |
content = message_entry.get() | |
if content.strip(): | |
data = json.dumps({"user": username, "content": content}) | |
try: | |
client.publish(MQTT_TOPIC, data) | |
moment = datetime.now().strftime('%Y-%m-%d %H:%M:%S') | |
chat_window.configure(state='normal') | |
chat_window.insert(tk.END, f"[{moment}] {username}: {content}\n") | |
chat_window.configure(state='disabled') | |
message_entry.delete(0, tk.END) | |
except Exception as err: | |
print(f"Message sending failed: {err}") | |
# Adds participants to the chat | |
def include_user(): | |
popup = tk.Toplevel(root) | |
popup.title("Join Chat") | |
def join_chat(user_name): | |
global username | |
username = user_name | |
chat_window.configure(state='normal') | |
chat_window.insert(tk.END, f"{username} entered the chat.\n") | |
chat_window.configure(state='disabled') | |
for user in user_auth.keys(): | |
btn = tk.Button(popup, text=user, command=lambda user=user: join_chat(user)) | |
btn.pack() | |
# Setting up the main window | |
root = tk.Tk() | |
root.withdraw() # Main window is hidden initially | |
if user_login(): | |
root.deiconify() # Main window shown after successful login | |
root.title("Group Chat") | |
chat_window = ScrolledText(root, state='disabled', height=20, width=60) | |
chat_window.grid(row=0, column=0, padx=10, pady=10, columnspan=3) | |
chat_window.configure(font='TkFixedFont') | |
message_entry = tk.Entry(root, width=40) | |
message_entry.grid(row=1, column=0, padx=10, pady=10) | |
send_btn = tk.Button(root, text="Send", command=publish_message) | |
send_btn.grid(row=1, column=1, padx=5, pady=10) | |
add_user_btn = tk.Button(root, text="Add User", command=include_user) | |
add_user_btn.grid(row=1, column=2, padx=5, pady=10) | |
root.mainloop() | |
else: | |
print("Failed to authenticate user.") | |
root.destroy() |