pesterchum/mispeller.py

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2011-02-13 20:32:02 -05:00
import random
kbloc = [[x for x in "1234567890-="],
[x for x in "qwertyuiop[]"],
[x for x in "asdfghjkl:;'"],
[x for x in "zxcvbnm,.>/?"]]
kbdict = {}
for (i, l) in enumerate(kbloc):
for (j, k) in enumerate(l):
kbdict[k] = (i, j)
sounddict = {"a": "e", "b": "d", "c": "k", "d": "g", "e": "eh",
"f": "ph", "g": "j", "h": "h", "i": "ai", "j": "ge",
"k": "c", "l": "ll", "m": "n", "n": "m", "o": "oa",
"p": "b", "q": "kw", "r": "ar", "s": "ss", "t": "d",
"u": "you", "v": "w", "w": "wn", "x": "cks", "y": "uy", "z": "s"}
def mispeller(word):
if len(word) <= 6:
num = 1
else:
num = random.choice([1,2])
wordseq = range(0, len(word))
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random.shuffle(wordseq)
letters = wordseq[0:num]
def mistype(string, i):
l = string[i]
if not kbdict.has_key(l):
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return string
lpos = kbdict[l]
newpos = lpos
while newpos == lpos:
newpos = ((lpos[0] + random.choice([-1, 0, 1])) % len(kbloc),
(lpos[1] + random.choice([-1,0,1])) % len(kbloc[0]))
string = string[0:i]+kbloc[newpos[0]][newpos[1]]+string[i+1:]
return string
def transpose(string, i):
j = (i + random.choice([-1,1])) % len(string)
l = [c for c in string]
l[i], l[j] = l[j], l[i]
return "".join(l)
def randomletter(string, i):
string = string[0:i+1]+random.choice("abcdefghijklmnopqrstuvwxyz")+string[i+1:]
return string
def randomreplace(string, i):
string = string[0:i]+random.choice("abcdefghijklmnopqrstuvwxyz")+string[i+1:]
return string
def soundalike(string, i):
try:
c = sounddict[string[i]]
except:
return string
string = string[0:i]+c+string[i+1:]
return string
func = random.choice([mistype, transpose, randomletter, randomreplace,
soundalike])
for i in letters:
word = func(word, i)
return word