Added wrapper classes for spell checker so new libraries can be added

novelWriter.py

@@ -29,12 +29,17 @@ except:
     print("ERROR: Failed to load dependency python3-appdirs")
     exit(1)
 
+spellPack = None
 try:
     import enchant
+    spellPack = "enchant"
 except:
-    print("ERROR: Failed to load dependency python3-enchant")
-    exit(1)
+    print("WARNING: No spell check library found.")
+    print("Please install python3-enchant if you want to use spell checking")
 
 if __name__ == "__main__":
     import nw
-    nw.main(sys.argv[1:])
+    inArgs = sys.argv[1:]
+    if spellPack is not None:
+        inArgs.append("--spell=%s" % spellPack)
+    nw.main(inArgs)

nw/__init__.py

@@ -82,6 +82,7 @@ def main(sysArgs):
         "version",
         "config=",
         "testmode",
+        "spell=",
     ]
 
     helpMsg = (
@@ -117,6 +118,7 @@ def main(sysArgs):
     confPath   = None
     testMode   = False
     debugGUI   = False
+    spellTool  = None
 
     # Parse Options
     try:
@@ -149,6 +151,8 @@ def main(sysArgs):
             confPath = inArg
         elif inOpt in ("--testmode"):
             testMode = True
+        elif inOpt in ("--spell"):
+            spellTool = inArg
         elif inOpt in ("-D","--debuggui"):
             debugLevel = logging.DEBUG
             debugStr   = "{name:>20}:{lineno:<4d}  {levelname:8}  {message:}"
@@ -158,6 +162,7 @@ def main(sysArgs):
     CONFIG.showGUI   = not testMode
     CONFIG.debugGUI  = debugGUI
     CONFIG.debugInfo = debugLevel < logging.INFO
+    CONFIG.spellTool = spellTool
 
     # Set Logging
     if showTime: debugStr = timeStr+debugStr

nw/config.py

@@ -35,6 +35,7 @@ class Config:
         self.showGUI   = True
         self.debugGUI  = False
         self.debugInfo = False
+        self.spellTool = None
 
         # Set Paths
         self.confPath  = None
@@ -124,6 +125,11 @@ class Config:
             # If it does not exist, save a copy of the defaults
             self.saveConfig()
 
+        if self.spellTool is None:
+            logger.warning("No spell check tool available")
+        else:
+            logger.debug("Using spell check tool '%s'" % self.spellTool)
+
         return True
 
     def loadConfig(self):

nw/convert/tohtml.py

@@ -28,13 +28,13 @@ class ToHtml(Tokenizer):
     def doAutoReplace(self):
         Tokenizer.doAutoReplace(self)
 
-        theDict = {
+        repDict = {
             "<" : "&lt;",
             ">" : "&gt;",
             "&" : "&amp;",
         }
-        xRep = re.compile("|".join([re.escape(k) for k in theDict.keys()]), flags=re.DOTALL)
-        self.theText = xRep.sub(lambda x: theDict[x.group(0)], self.theText)
+        xRep = re.compile("|".join([re.escape(k) for k in repDict.keys()]), flags=re.DOTALL)
+        self.theText = xRep.sub(lambda x: repDict[x.group(0)], self.theText)
 
         return
 

nw/convert/tokenizer.py

@@ -60,11 +60,11 @@ class Tokenizer():
 
     def doAutoReplace(self):
         if len(self.theProject.autoReplace) > 0:
-            theDict = {}
+            repDict = {}
             for aKey, aVal in self.theProject.autoReplace.items():
-                theDict["<%s>" % aKey] = aVal
-            xRep = re.compile("|".join([re.escape(k) for k in theDict.keys()]), flags=re.DOTALL)
-            self.theText = xRep.sub(lambda x: theDict[x.group(0)], self.theText)
+                repDict["<%s>" % aKey] = aVal
+            xRep = re.compile("|".join([re.escape(k) for k in repDict.keys()]), flags=re.DOTALL)
+            self.theText = xRep.sub(lambda x: repDict[x.group(0)], self.theText)
         return
 
     def tokenizeText(self):

nw/gui/configeditor.py

@@ -11,7 +11,6 @@
 """
 
 import logging
-import enchant
 import nw
 
 from os import path
@@ -139,8 +138,8 @@ class GuiConfigEditGeneral(QWidget):
         self.spellLang.setLayout(self.spellLangForm)
 
         self.spellLangList = QComboBox(self)
-        for spTag, spProvider in enchant.list_dicts():
-            self.spellLangList.addItem("%s [%s]" % (spTag, spProvider.name), spTag)
+        for spTag, spName in self.theParent.docEditor.theDict.listDictionaries():
+            self.spellLangList.addItem(spName, spTag)
         spellIdx = self.spellLangList.findData(self.mainConf.spellLanguage)
         if spellIdx != -1:
             self.spellLangList.setCurrentIndex(spellIdx)

nw/gui/doceditor.py

@@ -12,7 +12,6 @@
 
 import logging
 import nw
-import enchant
 
 from time                import time
 
@@ -23,6 +22,7 @@ from PyQt5.QtGui         import QTextCursor, QTextOption, QIcon, QKeySequence, Q
 from nw.project.document import NWDoc
 from nw.gui.dochighlight import GuiDocHighlighter
 from nw.gui.wordcounter  import WordCounter
+from nw.tools.spellcheck import NWSpellCheck
 from nw.enum             import nwDocAction, nwAlert
 
 logger = logging.getLogger(__name__)
@@ -58,7 +58,13 @@ class GuiDocEditor(QTextEdit):
 
         # Core Elements
         self.theQDoc = self.document()
-        self.theDict = enchant.Dict(self.mainConf.spellLanguage)
+        if self.mainConf.spellTool == "enchant":
+            from nw.tools.spellenchant import NWSpellEnchant
+            self.theDict = NWSpellEnchant()
+        else:
+            self.theDict = NWSpellCheck()
+
+        self.theDict.setLanguage(self.mainConf.spellLanguage)
         self.hLight  = GuiDocHighlighter(self.theQDoc, self.theParent)
         self.hLight.setDict(self.theDict)
 
@@ -215,8 +221,7 @@ class GuiDocEditor(QTextEdit):
     def setPwl(self, pwlFile):
         if pwlFile is not None:
             self.pwlFile = pwlFile
-            self.theDict = enchant.DictWithPWL(self.mainConf.spellLanguage,pwlFile)
-            self.hLight.setDict(self.theDict)
+            self.theDict.setLanguage(self.mainConf.spellLanguage, pwlFile)
         return True
 
     def setSpellCheck(self, theMode):
@@ -314,7 +319,7 @@ class GuiDocEditor(QTextEdit):
         theWord = theCursor.selectedText()
         if theWord == "":
             return
-        if self.theDict.check(theWord):
+        if self.theDict.checkWord(theWord):
             return
 
         mnuSuggest = QMenu()
@@ -322,7 +327,7 @@ class GuiDocEditor(QTextEdit):
         mnuHead = QAction(spIcon,"Spelling Suggestion", mnuSuggest)
         mnuSuggest.addAction(mnuHead)
         mnuSuggest.addSeparator()
-        theSuggest = self.theDict.suggest(theWord)
+        theSuggest = self.theDict.suggestWords(theWord)
         if len(theSuggest) > 0:
             for aWord in theSuggest:
                 mnuWord = QAction(aWord, mnuSuggest)
@@ -353,7 +358,7 @@ class GuiDocEditor(QTextEdit):
     def _addWord(self, theCursor):
         theWord = theCursor.selectedText().strip()
         logger.info("Added '%s' to project dictionary" % theWord)
-        self.theDict.add_to_pwl(theWord)
+        self.theDict.addWord(theWord)
         self.hLight.setDict(self.theDict)
         self.hLight.rehighlightBlock(theCursor.block())
         return

nw/gui/dochighlight.py

@@ -234,7 +234,7 @@ class GuiDocHighlighter(QSyntaxHighlighter):
         rxSpell = self.spellRx.globalMatch(theText.replace("_"," "), 0)
         while rxSpell.hasNext():
             rxMatch = rxSpell.next()
-            if not self.theDict.check(rxMatch.captured(0)):
+            if not self.theDict.checkWord(rxMatch.captured(0)):
                 if rxMatch.captured(0) == rxMatch.captured(0).upper():
                     continue
                 xPos = rxMatch.capturedStart(0)

nw/tools/spellcheck.py

@@ -18,4 +18,24 @@ logger = logging.getLogger(__name__)
 
 class NWSpellCheck():
 
+    theDict = None
+
+    def __init__(self):
+        return
+
+    def setLanguage(self, theLang, projectDict=None):
+        return
+
+    def checkWord(self, theWord):
+        return True
+
+    def suggestWords(self, theWord):
+        return []
+
+    def addWord(self, newWord):
+        return
+
+    def listDictionaries(self):
+        return []
+
 # END Class NWSpellCheck

nw/tools/spellenchant.py

@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+"""novelWriter Spell Check Wrapper : pyEnchant
+
+ novelWriter – Spell Check Wrapper : pyEnchant
+===============================================
+ Wrapper class for spell checking with pyEnchant
+
+ File History:
+ Created: 2019-06-11 [0.1.5]
+
+"""
+
+import logging
+import enchant
+import nw
+
+from nw.tools.spellcheck import NWSpellCheck
+
+logger = logging.getLogger(__name__)
+
+class NWSpellEnchant(NWSpellCheck):
+
+    def __init__(self):
+        NWSpellCheck.__init__(self)
+        logger.debug("Enchant spell checking activated")
+        return
+
+    def setLanguage(self, theLang, projectDict=None):
+        if projectDict is None:
+            self.theDict = enchant.Dict(theLang)
+        else:
+            self.theDict = enchant.DictWithPWL(theLang, projectDict)
+        logger.debug("Enchant spell checking for %s loaded" % theLang)
+        return
+
+    def checkWord(self, theWord):
+        return self.theDict.check(theWord)
+
+    def suggestWords(self, theWord):
+        return self.theDict.suggest(theWord)
+
+    def addWord(self, newWord):
+        self.theDict.add_to_pwl(newWord)
+        return
+
+    def listDictionaries(self):
+        retList = []
+        for spTag, spProvider in enchant.list_dicts():
+            retList.append((spTag, "%s [%s]" % (spTag, spProvider.name)))
+        return retList
+
+# END Class NWSpellEnchant