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Author: Isoumyajit

Python_chatting_application/README.md

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+# Python_chat_App
+Simple chat application using python

Python_chatting_application/client.py

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+import socket
+import threading
+
+flag = 0
+s = socket.socket(socket.AF_INET , socket.SOCK_STREAM)
+hostname = input("Enter your host :: ")
+s.connect((hostname , 1023))
+nickname = input("Enter your Name :: ")
+
+def recieve():
+    while True:
+        try:
+            msg = s.recv(1024).decode("utf-8")
+            if msg == 'NICK':
+                print("Welcome to Chat room :: " , nickname)
+                s.send(bytes(nickname , "utf-8"))
+            else:
+                print(msg)
+        except:
+            print("An Erro occured ")
+            s.close()
+            flag = 1
+            break
+
+def Write():
+    while True:
+        try:
+            reply_msg = f"{nickname} :: {input()}"
+            s.send(bytes(reply_msg , "utf-8"))
+        except:
+            print("An Error Occured while sending message !!!")
+            s.close()
+            flag = 1
+            break
+if flag == 1:
+    exit()
+recieve_thrd = threading.Thread(target=recieve)
+recieve_thrd.start()
+
+write_thrd = threading.Thread(target=Write)
+write_thrd.start()

Python_chatting_application/server.py

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+import socket
+import threading
+
+s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+s.bind((socket.gethostname(), 1023))
+print(socket.gethostname())
+s.listen(5)
+
+clients = []
+nickename = []
+
+
+def Client_Handler(cli):
+    while True:
+        try:
+            reply = cli.recv(1024).decode("utf-8")
+            if reply == "QUIT":
+                index_of_cli = clients.index(cli)
+                nick = nickename[index_of_cli]
+                nickename.remove(nick)
+                clients.remove(cli)
+                BroadCasating(f"{nick} has left the chat room")
+                print(f"Disconnected with f{nick}")
+                break
+            BroadCasating(reply)
+        except:
+            index_of_cli = clients.index(cli)
+            print(index_of_cli)
+            nick = nickename[index_of_cli]
+            nickename.remove(nick)
+            clients.remove(cli)
+            BroadCasating(f"{nick} has left the chat room")
+            print(f"Disconnected with {nick}")
+            break
+
+
+def BroadCasating(msg):
+    for client in clients:
+        client.send(bytes(msg, "utf-8"))
+
+def recieve():
+    while True:
+        client_sckt, addr = s.accept()
+        print(f"Connection has been established {addr}")
+        client_sckt.send(bytes("NICK", "utf-8"))
+        nick = client_sckt.recv(1024).decode("utf-8")
+        nickename.append(nick)
+        clients.append(client_sckt)
+        print(f"{nick} has joined the chat room ")
+        BroadCasating(f"{nick} has joined the chat room say hi !!!")
+        threading._start_new_thread(Client_Handler , (client_sckt , ))
+
+recieve()
+s.close()