SpellCheckin

Project to spellcheck my writing. Lately I have gotten back into writing. I guess I always have but I've notived it more. I want to develop a new blog for my writing. I have started using Nikola for blogging. It is powered by Python. I have been writing text in a nano. I'd like to develop a spell checker to fix the mistakes I write. IPython Notebook doesn't have a spell checker built in. Open up this notebook and edit this Markdown for errors.



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import re, collections

def words(text): 
    return re.findall('[a-z]+', text.lower()) 

def train(features):
    model = collections.defaultdict(lambda: 1)
    for f in features:
        model[f] += 1
    return model

NWORDS = train(words(file('testz').read()))

alphabet = 'abcdefghijklmnopqrstuvwxyz'

def edits1(word):
   splits     = [(word[:i], word[i:]) for i in range(len(word) + 1)]
   deletes    = [a + b[1:] for a, b in splits if b]
   transposes = [a + b[1] + b[0] + b[2:] for a, b in splits if len(b)>1]
   replaces   = [a + c + b[1:] for a, b in splits for c in alphabet if b]
   inserts    = [a + c + b     for a, b in splits for c in alphabet]
   return set(deletes + transposes + replaces + inserts)

def known_edits2(word):
    return set(e2 for e1 in edits1(word) for e2 in edits1(e1) if e2 in NWORDS)

def known(words): return set(w for w in words if w in NWORDS)

def correct(word):
    candidates = known([word]) or known(edits1(word)) or known_edits2(word) or [word]
    return max(candidates, key=NWORDS.get)



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known_edits2('chek')









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set()



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openpost = open('spellcheckin.ipynb', 'r')



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postdet = openpost.read()



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postdet['metadata']



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postdet.count









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<function count>



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import json



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json.dumps(postdet)



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words('heLLLlo!')



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correct('test')



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edits1('helo')



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print 'hello world!'



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