Ever hda a Skyp friendw ho loves typos?

tanawifiew.py

from random import random, choice
import sys
import Skype4Py


class Tanawifiew:
  # error probabilities:
  p_reorder  = 0.01  # wrong key order
  p_miss_key = 0.03  # no key press
  p_near_key = 0.005 # near key press

  # map of the keyboard
  near_keys = {
    'a': ['q','w','s','z'],
    'b': ['v','g','h','n'],
    'c': ['x','d','f','v'],
    'd': ['s','e','r','f','c','x'],
    'e': ['r','d','f','w'],
    'f': ['d','r','t','g','v','c'],
    'g': ['f','t','y','h','b','v'],
    'h': ['g','y','u','j','n','b'],
    'i': ['o','k','j','u'],
    'j': ['h','u','i','k','m','n'],
    'k': ['j','i','o','l','m'],
    'l': ['k','o','p'],
    'm': ['n','j','k'],
    'n': ['b','h','j','m'],
    'o': ['p','l','k','i'],
    'p': ['l','o'],
    'q': ['w','s','a'],
    'r': ['t','f','d','e'],
    's': ['a','w','e','d','x','z'],
    't': ['y','g','f','r'],
    'u': ['i','j','h','y'],
    'v': ['c','f','g','b'],
    'w': ['e','s','a','q'],
    'x': ['z','s','d','c'],
    'y': ['u','h','g','t'],
    'z': ['a','s','x'],
  }

  def process(self, message):
    i = 0
    output = ""

    # process the string
    while i < len(message):
      p = random()

      if p < self.p_reorder:
        if (i < len(message)-1):
          output += message[i+1] + message[i]
          i += 1

      elif p < self.p_miss_key + self.p_reorder:
        pass # do nothing

      elif p < self.p_near_key + self.p_miss_key + self.p_reorder:
        if message[i] in self.near_keys:
          output += choice(self.near_keys[message[i]])

      else:
        output += message[i]

      i += 1

    return output


if __name__ == "__main__":
  f = "skype_nickname"
  t = Tanawifiew()
  s = Skype4Py.Skype()
  s.Attach()  # API auth request
  
  while True:
    l = sys.stdin.readline()
    if not l:
      break
    m = t.process(l)
    s.SendMessage(f, m)