examples: Fix Python coding style

examples/protocols/sockets/scripts/tcpclient.py

@@ -10,8 +10,8 @@ from builtins import input
 import socket
 import sys
 
-# -----------  Config  ---------- 
-PORT = 3333;
+# -----------  Config  ----------
+PORT = 3333
 IP_VERSION = 'IPv4'
 IPV4 = '192.168.0.167'
 IPV6 = 'FE80::32AE:A4FF:FE80:5288'
@@ -31,14 +31,14 @@ try:
     sock = socket.socket(family_addr, socket.SOCK_STREAM)
 except socket.error as msg:
         print('Could not create socket: ' + str(msg[0]) + ': ' + msg[1])
-        sys.exit(1);
+        sys.exit(1)
 
 try:
     sock.connect((host, PORT))
 except socket.error as msg:
         print('Could not open socket: ', msg)
         sock.close()
-        sys.exit(1);
+        sys.exit(1)
 
 while True:
     msg = input('Enter message to send: ')
@@ -46,6 +46,7 @@ while True:
     msg = msg.encode()
     sock.sendall(msg)
     data = sock.recv(1024)
-    if not data: break; 
-    print( 'Reply: ' + data.decode())
-sock.close()
+    if not data:
+        break
+    print('Reply: ' + data.decode())
+sock.close()

examples/protocols/sockets/scripts/tcpserver.py

@@ -9,9 +9,9 @@
 import socket
 import sys
 
-# -----------  Config  ---------- 
+# -----------  Config  ----------
 IP_VERSION = 'IPv4'
-PORT = 3333;
+PORT = 3333
 # -------------------------------
 
 if IP_VERSION == 'IPv4':
@@ -30,7 +30,7 @@ except socket.error as msg:
     sys.exit(1)
 
 print('Socket created')
-    
+
 try:
     sock.bind(('', PORT))
     print('Socket binded')
@@ -45,7 +45,8 @@ except socket.error as msg:
 
 while True:
     data = conn.recv(128)
-    if not data: break
+    if not data:
+        break
     data = data.decode()
     print('Received data: ' + data)
     reply = 'OK: ' + data

examples/protocols/sockets/scripts/udpclient.py

@@ -8,9 +8,9 @@
 
 from builtins import input
 import socket
-import sys  
+import sys
 
-# -----------  Config  ---------- 
+# -----------  Config  ----------
 PORT = 3333
 IP_VERSION = 'IPv4'
 IPV4 = '192.168.0.167'
@@ -18,7 +18,7 @@ IPV6 = 'FE80::32AE:A4FF:FE80:5288'
 # -------------------------------
 
 if IP_VERSION == 'IPv4':
-    host = IPV4 
+    host = IPV4
     family_addr = socket.AF_INET
 elif IP_VERSION == 'IPv6':
     host = IPV6
@@ -29,18 +29,19 @@ else:
 
 
 try:
-    sock = socket.socket(family_addr, socket.SOCK_DGRAM) 
-except socket.error as msg:
+    sock = socket.socket(family_addr, socket.SOCK_DGRAM)
+except socket.error:
     print('Failed to create socket')
     sys.exit()
- 
+
 while True:
     msg = input('Enter message to send : ')
     try:
         sock.sendto(msg.encode(), (host, PORT))
         reply, addr = sock.recvfrom(128)
-        if not reply: break
+        if not reply:
+            break
         print('Reply[' + addr[0] + ':' + str(addr[1]) + '] - ' + str(reply))
     except socket.error as msg:
         print('Error Code : ' + str(msg[0]) + ' Message: ' + msg[1])
-        sys.exit()
+        sys.exit()

examples/protocols/sockets/scripts/udpserver.py

@@ -9,9 +9,9 @@
 import socket
 import sys
 
-# -----------  Config  ---------- 
+# -----------  Config  ----------
 IP_VERSION = 'IPv4'
-PORT = 3333;
+PORT = 3333
 # -------------------------------
 
 if IP_VERSION == 'IPv4':
@@ -23,10 +23,10 @@ else:
     sys.exit(1)
 
 
-try :
+try:
     sock = socket.socket(family_addr, socket.SOCK_DGRAM)
     sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
-except socket.error as msg :
+except socket.error as msg:
     print('Failed to create socket. Error Code : ' + str(msg[0]) + ' Message ' + msg[1])
     sys.exit()
 
@@ -37,10 +37,11 @@ except socket.error as msg:
     sys.exit()
 
 while True:
-    try :
+    try:
         print('Waiting for data...')
         data, addr = sock.recvfrom(1024)
-        if not data: break
+        if not data:
+            break
         data = data.decode()
         print('Reply[' + addr[0] + ':' + str(addr[1]) + '] - ' + data)
         reply = 'OK ' + data