BSD Socket examples

examples/protocols/sockets/scripts/tcpclient.py

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+# This example code is in the Public Domain (or CC0 licensed, at your option.)
+
+# Unless required by applicable law or agreed to in writing, this
+# software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+# CONDITIONS OF ANY KIND, either express or implied.
+
+# -*- coding: utf-8 -*-
+
+from builtins import input
+import socket
+import sys
+
+# -----------  Config  ---------- 
+PORT = 3333;
+IP_VERSION = 'IPv4'
+IPV4 = '192.168.0.167'
+IPV6 = 'FE80::32AE:A4FF:FE80:5288'
+# -------------------------------
+
+if IP_VERSION == 'IPv4':
+    family_addr = socket.AF_INET
+    host = IPV4
+elif IP_VERSION == 'IPv6':
+    family_addr = socket.AF_INET6
+    host = IPV6
+else:
+    print('IP_VERSION must be IPv4 or IPv6')
+    sys.exit(1)
+
+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);
+
+try:
+    sock.connect((host, PORT))
+except socket.error as msg:
+        print('Could not open socket: ', msg)
+        sock.close()
+        sys.exit(1);
+
+while True:
+    msg = input('Enter message to send: ')
+    assert isinstance(msg, str)
+    msg = msg.encode()
+    sock.sendall(msg)
+    data = sock.recv(1024)
+    if not data: break; 
+    print( 'Reply: ' + data.decode())
+sock.close()