Py

                                                               
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               `--`                                             

Downloads

https://www.python.org/downloads/

• Note on windows a system update may first be required to prevent installation errors.

Docs

https://www.python.org/doc/

Projects

Socket to Keys

Original code from Sergio http://sergiosprojects.blogspot.com/2012/01/python-server-keyboard-emulation.html

Modified and tested code on Windows 7 with Python 3.5.0

• Volume Mute (toggle)
  • http://localhost:12345?cmd=M
• Volume Up
  • http://localhost:12345?cmd=U
• Volume Down
  • http://localhost:12345?cmd=D

#!/usr/bin/env python

import os
import sys
import socket
import ctypes

# Used to listen for connections
LISTEN_ADDRESS = ''
LISTEN_PORT = 12345
BUFFER_SIZE = 512

# Used for emulating key presses.
user32 = ctypes.windll.user32
# Virtual keys
VK_VOLUME_MUTE = 0xAD
VK_VOLUME_DOWN = 0xAE
VK_VOLUME_UP = 0xAF

# Mapping expected input to actions
bytes_to_keys = {}
bytes_to_keys["M"] = VK_VOLUME_MUTE
bytes_to_keys["D"] = VK_VOLUME_DOWN
bytes_to_keys["U"] = VK_VOLUME_UP


def run_command(cmd):
    os.system(cmd)

def do_action(char):
    '''Takes a 1-character code and executes the action assoliated with it'''
    if char in bytes_to_keys:
        key_code = bytes_to_keys[char]
        user32.keybd_event(key_code, 0, 0, 0) # press
        user32.keybd_event(key_code, 0, 2, 0) # release
    else:
        print("unknown instruction:", char)


##########################################
################## Main ##################
##########################################

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((LISTEN_ADDRESS, LISTEN_PORT))
print("Starting server on port", LISTEN_PORT)
s.listen(1)


while True:
    conn, addr = s.accept()
    print('Connection address:', addr)
    try:
        while True:
            data = conn.recv(BUFFER_SIZE)
            if not data: break
            str_data = bytes.decode(data) # data is non-unicode, but all python strings need to be
            print("received data: \"{0}\"".format(str_data))

            cmdIndex = str_data.find("?cmd=") + 5
            cmdString = str_data[cmdIndex:cmdIndex+1]

            print("Command String:", cmdString);

            do_action(cmdString)

            break
            
        print("Client disconnected")
    except socket.error as e:
        print("Socket error:", e)
    except socket.timeout:
        print("Connection timed-out")
    except Exception as e:
        print("Exception:", e)
    finally:
        conn.close()
print("Exit")