From b4dd1d1a9ea84e9773dd3e3ba939fa4a907e56d3 Mon Sep 17 00:00:00 2001
From: "Veronica K. B. Olsen" <1619840+vkbo@users.noreply.github.com>
Date: Tue, 5 Nov 2019 23:22:53 +0100
Subject: [PATCH] Added simple spell chacking using difflib

---
 nw/config.py            |  9 +++---
 nw/tools/__init__.py    |  2 ++
 nw/tools/spellsimple.py | 62 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 69 insertions(+), 4 deletions(-)
 create mode 100644 nw/tools/spellsimple.py

diff --git a/nw/config.py b/nw/config.py
index 5a50395e..d65519cb 100644
--- a/nw/config.py
+++ b/nw/config.py
@@ -51,9 +51,10 @@ class Config:
         self.appPath   = None
         self.appRoot   = None
         self.appIcon   = None
-        self.guiPath   = None
+        self.assetPath = None
         self.themeRoot = None
-        self.themePath = None
+        self.graphPath = None
+        self.dictPath  = None
 
         # Set default values
         self.confChanged  = False
@@ -165,10 +166,10 @@ class Config:
         self.lastPath  = self.homePath
         self.appPath   = getattr(sys, "_MEIPASS", path.abspath(path.dirname(__file__)))
         self.appRoot   = path.join(self.appPath,path.pardir)
-        self.helpPath  = path.join(self.appRoot,"help","en_GB")
-        self.guiPath   = path.join(self.appPath,"gui")
+        self.assetPath = path.join(self.appPath,"assets")
         self.themeRoot = path.join(self.appPath,"themes")
         self.graphPath = path.join(self.appPath,"graphics")
+        self.dictPath  = path.join(self.assetPath,"dict")
         self.appIcon   = path.join(self.graphPath, nwFiles.APP_ICON)
 
         # If config folder does not exist, make it.
diff --git a/nw/tools/__init__.py b/nw/tools/__init__.py
index 52bff781..582d18fb 100644
--- a/nw/tools/__init__.py
+++ b/nw/tools/__init__.py
@@ -4,6 +4,7 @@ from nw.tools.analyse import TextAnalysis
 from nw.tools.optlaststate import OptLastState
 from nw.tools.spellcheck import NWSpellCheck
 from nw.tools.spellenchant import NWSpellEnchant
+from nw.tools.spellsimple import NWSpellSimple
 from nw.tools.translate import numberToWord
 from nw.tools.wordcount import countWords
 
@@ -12,6 +13,7 @@ __all__ = [
     "OptLastState",
     "NWSpellCheck",
     "NWSpellEnchant",
+    "NWSpellSimple",
     "numberToWord",
     "countWords",
 ]
diff --git a/nw/tools/spellsimple.py b/nw/tools/spellsimple.py
new file mode 100644
index 00000000..b2216de9
--- /dev/null
+++ b/nw/tools/spellsimple.py
@@ -0,0 +1,62 @@
+# -*- coding: utf-8 -*-
+"""novelWriter Spell Check Simple
+
+ novelWriter – Spell Check Simple
+==================================
+ Simple Python3 spell checker based on difflib
+
+ File History:
+ Created: 2019-06-11 [0.1.5]
+
+"""
+
+import logging
+import nw
+
+from os import path
+from collections import Counter
+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)
+        self.mainConf = nw.CONFIG
+        logger.debug("Norvig spell checking activated")
+        return
+
+    def setLanguage(self, theLang, projectDict=None):
+        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))
+        except Exception as e:
+            logger.error("Failed to load spell check word list for language %s" % theLang)
+            logger.error(str(e))
+        return
+
+    def checkWord(self, theWord):
+        theWord = theWord.replace(self.mainConf.fmtSingleQuotes[1],"'").lower()
+        return theWord in self.WORDS
+
+    def suggestWords(self, theWord):
+        return get_close_matches(theWord.lower(), self.WORDS, n=10, cutoff=0.60)
+
+    def addWord(self, newWord):
+        return
+
+    def listDictionaries(self):
+        return ["default"]
+
+# END Class NWSpellSimple