1、代码
checkword.py
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
with open('big.txt') as f:
NWORDS = train(words(f.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)
2.main.py
from PyQt5.QtWidgets import QLineEdit, QApplication, QDialog, QAction, QMessageBox
from PyQt5.QtGui import QIcon
import sys
from checkword import correct
class Line(QDialog):
def __init__(self):
super().__init__()
self.Ui()
def Ui(self):
self.resize(450,100)
self.setWindowTitle('微信公众号:学点编程吧--单词拼写检查')
self.line = QLineEdit(self)
self.line.move(20,20)
action = QAction(self)
action.setIcon(QIcon('check.ico'))
action.triggered.connect(self.Check)
self.line.addAction(action,QLineEdit.TrailingPosition)
self.show()
def Check(self):
word = self.line.text()
if correct(word) != word:
QMessageBox.information(self,'提示信息','你或许想要表达的单词是:'+correct(word))
else:
QMessageBox.information(self,'提示信息','你填写的单词是:'+word)
if __name__ == '__main__':
app = QApplication(sys.argv)
line = Line()
sys.exit(app.exec_())