gistfile1.py

import os
import time
from subprocess import Popen, PIPE

def echochar(char):
	if len(char) == 1 and ord(char) >= ord("A") and ord(char) <= ord("Z"):
		os.system('xte "keydown Shift_L" "key ' + char + '" "keyup Shift_L"')
	else:
		os.system('xte "key ' + char + '"')

def echostr(str):
	for char in str:
		echochar(char)

p = Popen(['zbarcam', '--raw'], stdout=PIPE, stderr=PIPE, stdin=PIPE)

while True:
	time.sleep(0.1)
	code = p.stdout.readline().strip()
	print('Got barcode: {}'.format(code))
	echostr(code)
	echochar("Tab")
	echochar("Tab")
	echostr("3")
	os.system('xte "keydown Alt_L" "key r" "keyup Alt_L"')