All work and no play makes Jack a dull boy.

pyjack.py

#!/usr/bin/python
import StringIO, time, sys, random

#All work and no play makes Jack a dull boy. All work and no play makes Jack a dull boy. All work and no play makes Jack a dull boy.

boy=StringIO.StringIO("All work and no play makes Jack a dull boy.")
jack=0
work=0.05
dull=0.2

play=boy.read(1) #All work and no play makes Jack a dull boy.
while(play != ""):
 sys.stdout.write(play)
 sys.stdout.flush()
 play=boy.read(1)
 time.sleep(work)

time.sleep(work*10)
print("")
boy.seek(0)
time.sleep(work*40)

print("")
time.sleep(work*15)

while(True):
 play=boy.read(1)
 if(play != ""):
  
#All wofk and no pkay mskes Jadk a dull boy.
#https://github.com/mmehnert/xscreensaver/blob/master/hacks/xjack.c
  if((random.random()<jack) & (play == "a")):
   play = random.choice(["s", "q", "w"])
  elif((random.random()<jack) & (play == "A")):
   play = random.choice(["S", "Q", "W"])
  
  
  elif((random.random()<jack)&(play == "b")):
   play = random.choice(["g", "v", "h", "n"])
  elif((random.random()<jack)&(play == "c")):
   play = random.choice(["x", "d", "f", "v"])
  elif((random.random()<jack)&(play == "d")):
   play = random.choice(["s", "e", "r", "f", "c", "x"])
  elif((random.random()<jack)&(play == "e")):
   play = random.choice(["w", "s", "d", "r", "f"])
  elif((random.random()<jack)&(play == "J")):
   play = random.choice(["h", "u", "i", "k", "m", "n"])
  elif((random.random()<jack)&(play == "k")):
   play = random.choice(["j", "i", "o", "l", ",", "m"])
  elif((random.random()<jack)&(play == "l")):
   play = random.choice(["k", "o", "p", ";", ".", ','])
  elif((random.random()<jack)&(play == "m")):
   play = random.choice(["n", "j", "k", ","])
  elif((random.random()<jack)&(play == "n")):
   play = random.choice(["b", "h", "j", "n"])
  elif((random.random()<jack)&(play == "o")):
   play = random.choice(["i", "k", "l", "p", "0", "9"])
  elif((random.random()<jack)&(play == "p")):
   play = random.choice(["o", "l", ";", "[", "-", "0"])
  elif((random.random()<jack)&(play == "r")):
   play = random.choice(["e", "d", "f", "t", "5", "4"])
  elif((random.random()<jack)&(play == "s")):
   play = random.choice(["a", "w", "e", "d", "x", "z"])
  elif((random.random()<jack)&(play == "u")):
   play = random.choice(["y", "h", "j", "i", "8", "7"])
  elif((random.random()<jack)&(play == "w")):
   play = random.choice(["q", "a", "s", "e", "3", "2"])
  elif((random.random()<jack)&(play == "y")):
   play = random.choice(["u", "h", "g", "t", "6", "7"])
  elif((random.random()<jack)&(play == ".")):
   play = random.choice([",", "l", ";", "/"])
   
#  if(random.random()<jack): #all wOrk aNd no pLay mAkes JacK a dUll boY.
#   play = play.swapcase()

  if(random.random()<jack*0.01): #A l w rk an  no pl y ma es J ck a d ll  oy.
   play = " "

  sys.stdout.write(play)
  sys.stdout.flush()
 else:
  time.sleep(work*20)
  print("")
  time.sleep(work*10)
  boy.seek(0)
  work = random.random()*0.2
  if(jack < dull):
   jack = jack + random.random()*0.01 
  else:
   jack = jack - random.random()*0.2
 time.sleep(work)

#W;p 2ptl shs  k o.st nslda mqxm s fh,. g0g;