Seperate client and server of FTP

.travis.yml

@@ -12,8 +12,6 @@ script:
   - pytest . --doctest-modules
       --ignore=data_structures/stacks/balanced_parentheses.py
       --ignore=data_structures/stacks/infix_to_postfix_conversion.py
-      --ignore=file_transfer_protocol/ftp_send_receive.py
-      --ignore=file_transfer_protocol/ftp_client_server.py
       --ignore=machine_learning/linear_regression.py
       --ignore=machine_learning/perceptron.py
       --ignore=machine_learning/random_forest_classification/random_forest_classification.py

file_transfer_protocol/client.py

@@ -0,0 +1,23 @@
+import socket                   # Import socket module
+
+s = socket.socket()             # Create a socket object
+host = socket.gethostname()     # Get local machine name
+port = 12312
+
+s.connect((host, port))
+s.send(b'Hello server!')
+
+with open('Received_file', 'wb') as f:
+    print('File opened')
+    print('Receiving data...')
+    while True:
+        data = s.recv(1024)
+        print('data='+str(data))
+        if not data:
+            break
+        # write data to a file
+        f.write(data)
+
+print('Successfully got the file')
+s.close()
+print('Connection closed')

file_transfer_protocol/mytext.txt

@@ -0,0 +1,2 @@
+Hello
+This is sample data

file_transfer_protocol/server.py

@@ -0,0 +1,34 @@
+import socket                   # Import socket module
+
+ONE_CONNECTION_ONLY = True      # Set this to False if you wish to continuously accept connections
+
+port = 12312                    # Reserve a port for your service.
+s = socket.socket()             # Create a socket object
+host = socket.gethostname()     # Get local machine name
+s.bind((host, port))            # Bind to the port
+s.listen(5)                     # Now wait for client connection.
+
+print('Server listening....')
+
+while True:
+    conn, addr = s.accept()     # Establish connection with client.
+    print('Got connection from', addr)
+    data = conn.recv(1024)
+    print('Server received', repr(data))
+
+    filename='mytext.txt'
+    f = open(filename,'rb')
+    l = f.read(1024)
+    while (l):
+       conn.send(l)
+       print('Sent ',repr(l))
+       l = f.read(1024)
+    f.close()
+
+    print('Done sending')
+    conn.send(b'Thank you for connecting')
+    conn.close()
+    if ONE_CONNECTION_ONLY:  # This is to make sure that the program doesn't hang while testing
+        break
+s.shutdown(1)
+s.close()