changes to client.py

anti plag, and other changes

client.py

@@ -1,23 +1,31 @@
-# Import socket module  
+# Import necessary modules 
 import socket
 import sys
+import time
 
-# Create a socket object  
-s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)       
-
-# Define the port on which you want to connect  
-port = 12345                
-ip = '127.0.0.1'
-filename = 'test.pdf'
+# Creating a socket object 'soc_obj'.
+# 'AF_NET'-> Ipv4 addressing, 'SOCK_STREAM'-> for TCP protocol.
+soc_obj = socket.socket(socket.AF_INET, socket.SOCK_STREAM)       
+
+port, ip = 42420, '127.0.0.1'   # Defining port and ip details:          
+filename = 'test.txt'           # test file to send to the server
 # connect to the server on local computer  
-s.connect((ip, port))
-print(f"Connected to {ip}:{port}")  
-s.send(f"{filename}".encode("utf-8"))
+try :
+    soc_obj.connect((ip, port))
+    print(f"Connected to {ip}:{port}.") 
+except :
+    print("Failed to establish connection")
+    sys.exit() 
+
+# sending the test file name,followed by test data
+soc_obj.send(f"{filename}".encode("utf-8"))
+time.sleep(0.5)      # waiting for a short while for server to recieve data
 f = open (filename, "rb")
+#Sending the data,1KB at a time.
 l = f.read(1024)
 while (l):
-    s.send(l)
+    soc_obj.send(l)
     l = f.read(1024)
 # close the connection 
 print(f"{filename} sent") 
-s.close()  
+soc_obj.close()