psf/black code formatting (#1277)

file_transfer/recieve_file.py

@@ -1,4 +1,4 @@
-if __name__ == '__main__':
+if __name__ == "__main__":
     import socket  # Import socket module
 
     sock = socket.socket()  # Create a socket object
@@ -6,11 +6,11 @@ if __name__ == '__main__':
     port = 12312
 
     sock.connect((host, port))
-    sock.send(b'Hello server!')
+    sock.send(b"Hello server!")
 
-    with open('Received_file', 'wb') as out_file:
-        print('File opened')
-        print('Receiving data...')
+    with open("Received_file", "wb") as out_file:
+        print("File opened")
+        print("Receiving data...")
         while True:
             data = sock.recv(1024)
             print(f"data={data}")
@@ -18,6 +18,6 @@ if __name__ == '__main__':
                 break
             out_file.write(data)  # Write data to a file
 
-    print('Successfully got the file')
+    print("Successfully got the file")
     sock.close()
-    print('Connection closed')
+    print("Connection closed")

file_transfer/send_file.py

@@ -1,16 +1,18 @@
-if __name__ == '__main__':
+if __name__ == "__main__":
     import socket  # Import socket module
 
-    ONE_CONNECTION_ONLY = True  # Set this to False if you wish to continuously accept connections
+    ONE_CONNECTION_ONLY = (
+        True
+    )  # Set this to False if you wish to continuously accept connections
 
-    filename='mytext.txt'
+    filename = "mytext.txt"
     port = 12312  # Reserve a port for your service.
     sock = socket.socket()  # Create a socket object
     host = socket.gethostname()  # Get local machine name
     sock.bind((host, port))  # Bind to the port
     sock.listen(5)  # Now wait for client connection.
 
-    print('Server listening....')
+    print("Server listening....")
 
     while True:
         conn, addr = sock.accept()  # Establish connection with client.
@@ -18,16 +20,18 @@ if __name__ == '__main__':
         data = conn.recv(1024)
         print(f"Server received {data}")
 
-        with open(filename,'rb') as in_file:
+        with open(filename, "rb") as in_file:
             data = in_file.read(1024)
-            while (data):
-               conn.send(data)
-               print(f"Sent {data!r}")
-               data = in_file.read(1024)
+            while data:
+                conn.send(data)
+                print(f"Sent {data!r}")
+                data = in_file.read(1024)
 
-        print('Done sending')
+        print("Done sending")
         conn.close()
-        if ONE_CONNECTION_ONLY:  # This is to make sure that the program doesn't hang while testing
+        if (
+            ONE_CONNECTION_ONLY
+        ):  # This is to make sure that the program doesn't hang while testing
             break
 
     sock.shutdown(1)