Receiving a file through python socket

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Python

sockets

Greetings. I am writing a client/server program in python to send a large csv file over the network. The client and server codes are given below.

client.py

import socket

HOST = 'server ip'        # The remote host
PORT = 42050              # The same port as used by the server
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((HOST, PORT))
f = open('my.csv', 'rb')
print "Sending Data ...."  
l = f.read()
while True:      
    for line in l:
        s.send(line)    
    break
f.close()
print "Sending Complete"
s.close()

server.py

import socket

HOST = 'local ip'         # server ip
PORT = 42050              # Arbitrary non-privileged port
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((HOST, PORT))
print "Server running", HOST, PORT
s.listen(5)
conn, addr = s.accept()
print'Connected by', addr

while True:
    data = "".join(iter(lambda:conn.recv(1),"\n"))       
    print data   
    if not data: break                
      
print "Done Receiving"
conn.close()

While executing, the server is printing the contents line by line as desired. However, it seems to be stuck in the loop and is not 'breaking' as it should be. I think I'm doing it wrong with the break statement in the server.py.

Thanks for all the help in advance.