#!/usr/bin/env python3

#

# https://docs.python.org/3.5/library/socket.html

#

import socket

# --- constants ---

HOST = '' # (local or external) address IP of remote server

PORT = 8000 # (local or external) port of remote server

# server can have local address IP - used only in local network

# or external address IP - used in internet on external router

# (and router redirects data to internal address IP)

# --- create socket ---

print('[DEBUG] create socket')

#s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

s = socket.socket() # default value is (socket.AF_INET, socket.SOCK_STREAM)

# so you don't have to use it in socket()

# --- connect to server ---

print('[DEBUG] connect:', HOST, PORT)

s.connect((HOST, PORT)) # one tuple (HOST, PORT), not two arguments

# --- send data ---

# if you don't use native characters

# then you can use 'ascii' instead of 'utf-8'

print('[DEBUG] send')

text = "Hello World of Sockets in Python"

data = text.encode('utf-8') # encode string to bytes

s.send(data)

print(text)

# --- receive data ---

# if you don't use native characters

# then you can use 'ascii' instead of 'utf-8'

print('[DEBUG] receive')

data = s.recv(1024)

text = data.decode('utf-8') # decode bytes to string

print(text)

# --- close socket ---

print('[DEBUG] close socket')

import time

input("[ENTER]: ")

s.close()