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novelWriter/nw/tools/spellsimple.py
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2020-04-20 21:50:20 +02:00

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# -*- coding: utf-8 -*-
"""novelWriter Spell Check Simple
novelWriter Spell Check Simple
==================================
Simple spell checker based on difflib
File History:
Created: 2019-06-11 [0.1.5]
This file is a part of novelWriter
Copyright 2020, Veronica Berglyd Olsen
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see https://www.gnu.org/licenses/.
"""
import logging
import nw
from os import path, listdir
from difflib import get_close_matches
logger = logging.getLogger(__name__)
from nw.tools.spellcheck import NWSpellCheck
class NWSpellSimple(NWSpellCheck):
WORDS = []
def __init__(self):
NWSpellCheck.__init__(self)
logger.debug("Simple spell checking activated")
return
def setLanguage(self, theLang, projectDict=None):
self.WORDS = []
dictFile = path.join(self.mainConf.dictPath,theLang+".dict")
try:
with open(dictFile,mode="r",encoding="utf-8") as wordsFile:
for theLine in wordsFile:
if len(theLine) == 0 or theLine.startswith("#"):
continue
self.WORDS.append(theLine.strip().lower())
logger.debug("Spell check word list for language %s loaded" % theLang)
logger.debug("Word list contains %d words" % len(self.WORDS))
self.spellLanguage = theLang
except Exception as e:
logger.error("Failed to load spell check word list for language %s" % theLang)
logger.error(str(e))
self.spellLanguage = None
self._readProjectDictionary(projectDict)
for pWord in self.PROJW:
if pWord not in self.WORDS:
self.WORDS.append(pWord)
return
def checkWord(self, theWord):
"""Check if a word exists in the word list. Make sure to keep
this function as fast as possible as it is called for every
word by the syntax highlighter.
"""
theWord = theWord.replace(self.mainConf.fmtApostrophe,"'").lower()
return theWord in self.WORDS
def suggestWords(self, theWord):
"""Get suggestions for correct word from difflib, and make sure
the first character is upper case if that was also the case for
the word be3ing checked. Also make sure the apostrophe is
changed to the one in the dictionary, and then put back in the
results.
"""
theWord = theWord.strip()
if len(theWord) == 0:
return []
firstUp = theWord[0] == theWord[0].upper()
theWord = theWord.lower()
theMatches = get_close_matches(theWord, self.WORDS, n=10, cutoff=0.75)
theOptions = []
for aWord in theMatches:
if len(aWord) == 0:
continue
if firstUp:
aWord = aWord[0].upper() + aWord[1:]
aWord = aWord.replace("'",self.mainConf.fmtApostrophe)
theOptions.append(aWord)
return theOptions
def addWord(self, newWord):
newWord = newWord.strip().lower()
if newWord not in self.WORDS:
self.WORDS.append(newWord)
NWSpellCheck.addWord(self, newWord)
return
def listDictionaries(self):
retList = []
for dictFile in listdir(self.mainConf.dictPath):
theBits = path.splitext(dictFile)
if len(theBits) != 2:
continue
if theBits[1] != ".dict":
continue
spName = "%s [Internal]" % self.expandLanguage(theBits[0])
retList.append((theBits[0], spName))
return retList
# END Class NWSpellSimple