Get Key Press in Python

Getting single key press without having user pres ENTER.

Windows:

import msvcrt

def getkey():
    return msvcrt.getch()

Linux:

import termios, sys, os
TERMIOS = termios

def getkey():
    fd = sys.stdin.fileno()
    old = termios.tcgetattr(fd)
    new = termios.tcgetattr(fd)
    new[3] = new[3] & ~TERMIOS.ICANON & ~TERMIOS.ECHO
    new[6][TERMIOS.VMIN] = 1
    new[6][TERMIOS.VTIME] = 0
    termios.tcsetattr(fd, TERMIOS.TCSANOW, new)
    c = None
    try:
        c = os.read(fd, 1)
    finally:
        termios.tcsetattr(fd, TERMIOS.TCSAFLUSH, old)
    return c

Usefull links:
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/197140

Simple SOCKS4 proxy in Python

If you need a SOCKS4 proxy for a custom port you can simply write it in a few python lines.

from twisted.internet import reactor
from twisted.protocols import socks

from twisted.internet.protocol import Factory

factory = Factory()
factory.protocol = socks.SOCKSv4

reactor.listenTCP(9999, factory)
reactor.run()

Sending Email with Python

A quick way to send email with Python.


import smtplib

msg_from = "me@email.com"
msg_to = "you@email.com"
smtp_server = "mail.mailserver.com"

msg_subject = "Hello"
msg_body = "This is message body."

msg = ("From: %s\r\nTo: %s\r\nSubject: %s\r\n%s" % (msg_from, msg_to, msg_subject, msg_body))

server = smtplib.SMTP(smtp_server)
server.set_debuglevel(1)
server.sendmail(msg_from, msg_to, msg)
server.quit()