Grammalecte  Changes On Branch 5538934848f82156

        raise OSError("# Error. File not found or not loadable: " + spf)


def loadDictionary ():
    global oDict
    if not oDict:
        try:
            oDict = ibdawg.IBDAWG("fr-allvars.bdic")
            oDict = ibdawg.IBDAWG("fr-allvars.json")
        except:
            traceback.print_exc()


def makeDictionaries (sp, sVersion):
    with cd(sp+"/dictionnaire"):
        if platform.system() == "Windows":

            if not oSpellChecker:
                xCurCtx = uno.getComponentContext()
                oGC = self.ctx.ServiceManager.createInstanceWithContext("org.openoffice.comp.pyuno.Lightproof.grammalecte", self.ctx)
                if hasattr(oGC, "getSpellChecker"):
                    # https://bugs.documentfoundation.org/show_bug.cgi?id=97790
                    oSpellChecker = oGC.getSpellChecker()
                else:
                    oSpellChecker = SpellChecker("${lang}", "fr-allvars.bdic")
                    oSpellChecker = SpellChecker("${lang}", "fr-allvars.json")
        except:
            traceback.print_exc()

    def execute (self, args):
        if not args:
            return
        try:

    @_waitPointer
    def importDictionary (self):
        spfImported = ""
        try:
            xFilePicker = self.xSvMgr.createInstanceWithContext('com.sun.star.ui.dialogs.FilePicker', self.ctx)  # other possibility: com.sun.star.ui.dialogs.SystemFilePicker
            xFilePicker.initialize([uno.getConstantByName("com.sun.star.ui.dialogs.TemplateDescription.FILEOPEN_SIMPLE")]) # seems useless
            xFilePicker.appendFilter("Supported files", "*.json; *.bdic")
            xFilePicker.appendFilter("Supported files", "*.json")
            xFilePicker.setDefaultName("fr.__personal__.json") # useless, doesn’t work
            xFilePicker.setDisplayDirectory("")
            xFilePicker.setMultiSelectionMode(False)
            nResult = xFilePicker.execute()
            if nResult == 1:
                # lFile = xFilePicker.getSelectedFiles()
                lFile = xFilePicker.getFiles()

            self.xDateDic.Label = self.dUI.get("void", "#err")
        MessageBox(self.xDocument, self.dUI.get('save_message', "#err"), self.dUI.get('save_title', "#err"))

    def exportDictionary (self):
        try:
            xFilePicker = self.xSvMgr.createInstanceWithContext('com.sun.star.ui.dialogs.FilePicker', self.ctx)  # other possibility: com.sun.star.ui.dialogs.SystemFilePicker
            xFilePicker.initialize([uno.getConstantByName("com.sun.star.ui.dialogs.TemplateDescription.FILESAVE_SIMPLE")]) # seems useless
            xFilePicker.appendFilter("Supported files", "*.json; *.bdic")
            xFilePicker.appendFilter("Supported files", "*.json")
            xFilePicker.setDefaultName("fr.__personal__.json") # useless, doesn’t work
            xFilePicker.setDisplayDirectory("")
            xFilePicker.setMultiSelectionMode(False)
            nResult = xFilePicker.execute()
            if nResult == 1:
                # lFile = xFilePicker.getSelectedFiles()
                lFile = xFilePicker.getFiles()

            elif xActionEvent.ActionCommand == "Close":
                self.xContainer.endExecute()
        except:
            traceback.print_exc()

    def initSpellChecker (self):
        if not self.oSpellChecker:
            self.oSpellChecker = sc.SpellChecker("fr", "fr-allvars.bdic", "", self.oPersonalDicJSON)
            self.oSpellChecker = sc.SpellChecker("fr", "fr-allvars.json", "", self.oPersonalDicJSON)

    @_waitPointer
    def searchSimilar (self):
        self.initSpellChecker()
        sWord = self.xWord.Text.strip()
        if sWord:
            xGridDataModel = self.xGridModel.GridDataModel

                sPersonalDicJSON = self.xOptionNode.getPropertyValue("personal_dic")
                if sPersonalDicJSON:
                    try:
                        personal_dic = json.loads(sPersonalDicJSON)
                    except:
                        print("Graphspell: wrong personal_dic")
                        traceback.print_exc()
            self.oGraphspell = SpellChecker("fr", "fr-"+sMainDicName+".bdic", "", personal_dic)
            self.oGraphspell = SpellChecker("fr", "fr-"+sMainDicName+".json", "", personal_dic)
            self.loadHunspell()
            # print("Graphspell: init done")
        except:
            print("Graphspell: init failed")
            traceback.print_exc()

    def loadHunspell (self):

    #     'test': ['coverage'],
    # },

    # If there are data files included in your packages that need to be
    # installed, specify them here.  If using Python 2.6 or less, then these
    # have to be included in MANIFEST.in as well.
    package_data={
        'grammalecte': ['graphspell/_dictionaries/*.bdic', '*.txt']
        'grammalecte': ['graphspell/_dictionaries/*.json', '*.txt']
    },

    # Although 'package_data' is the preferred approach, in some case you may
    # need to place data files outside of your packages. See:
    # http://docs.python.org/3.4/distutils/setupscript.html#installing-additional-files # noqa
    # In this case, 'data_file' will be installed into '<sys.prefix>/my_data'
    # data_files=[('my_data', ['data/data_file'])],

    },

    build: function () {
        let xProgressNode = document.getElementById("wait_progress");
        let lEntry = oLexiconTable.getEntries();
        if (lEntry.length > 0) {
            let oDAWG = new DAWG(lEntry, "S", "fr", "Français", this.sName, this.sDescription, xProgressNode);
            let oJSON = oDAWG.createBinaryJSON(1);
            let oJSON = oDAWG.createBinaryJSON();
            oDictHandler.saveDictionary(this.sName, oJSON);
            this.oIBDAWG = new IBDAWG(oJSON);
            this.setDictData(this.oIBDAWG.nEntry, this.oIBDAWG.sDate);
        } else {
            oDictHandler.saveDictionary(this.sName, null);
            this.setDictData(0, "[néant]");
        }

                    }
                }
            }
        }
    }

    // BINARY CONVERSION
    createBinaryJSON (nCompressionMethod) {
        console.log("Write DAWG as an indexable binary dictionary [method: "+nCompressionMethod+"]");
    _calculateBinary () {
        console.log("Write DAWG as an indexable binary dictionary");
        if (nCompressionMethod == 1) {
            this.nBytesArc = Math.floor( (this.nArcVal.toString(2).length + 2) / 8 ) + 1;     // We add 2 bits. See DawgNode.convToBytes1()
            this.nBytesOffset = 0;
            this._calcNumBytesNodeAddress();
            this._calcNodesAddress1();
        } else {
            console.log("Error: unknown compression method");
        this.nBytesArc = Math.floor( (this.nArcVal.toString(2).length + 2) / 8 ) + 1;     // We add 2 bits. See DawgNode.convToBytes()
        this.nBytesOffset = 0;
        this._calcNumBytesNodeAddress();
        this._calcNodesAddress();
        this.sByDic = this.oRoot.convToBytes(this.nBytesArc, this.nBytesNodeAddress);
        for (let oNode of this.dMinimizedNodes.values()) {
            this.sByDic += oNode.convToBytes(this.nBytesArc, this.nBytesNodeAddress);
        }
        console.log("Arc values (chars, affixes and tags): " + this.nArcVal);
        console.log("Arc size: "+this.nBytesArc+" bytes, Address size: "+this.nBytesNodeAddress+" bytes");
        console.log("-> " + this.nBytesArc+this.nBytesNodeAddress + " * " + this.nArc + " = " + (this.nBytesArc+this.nBytesNodeAddress)*this.nArc + " bytes");
        return this._createJSON(nCompressionMethod);
    }

    _calcNumBytesNodeAddress () {
        // how many bytes needed to store all nodes/arcs in the binary dictionary
        this.nBytesNodeAddress = 1;
        while (((this.nBytesArc + this.nBytesNodeAddress) * this.nArc) > (2 ** (this.nBytesNodeAddress * 8))) {
            this.nBytesNodeAddress += 1;
        }
    }

    _calcNodesAddress1 () {
    _calcNodesAddress () {
        let nBytesNode = this.nBytesArc + this.nBytesNodeAddress;
        let iAddr = this.oRoot.arcs.size * nBytesNode;
        for (let oNode of this.dMinimizedNodes.values()) {
            oNode.addr = iAddr;
            iAddr += Math.max(oNode.arcs.size, 1) * nBytesNode;
        }
    }

    _createJSON (nCompressionMethod) {
        let sByDic = "";
        if (nCompressionMethod == 1) {
            sByDic = this.oRoot.convToBytes1(this.nBytesArc, this.nBytesNodeAddress);
            for (let oNode of this.dMinimizedNodes.values()) {
                sByDic += oNode.convToBytes1(this.nBytesArc, this.nBytesNodeAddress);
            }
        }
    _binaryToList () {
        this.lByDic = [];
        let nAcc = 0;
        let lBytesBuffer = [];
        let nDivisor = (this.nBytesArc + this.nBytesNodeAddress) / 2;
        for (let i = 0;  i < this.sByDic.length;  i+=2) {
            lBytesBuffer.push(parseInt(this.sByDic.slice(i, i+2), 16));
            if (nAcc == (this.nBytesArc - 1)) {
                this.lByDic.push(this._convBytesToInteger(lBytesBuffer));
                lBytesBuffer = [];
            }
            else if (nAcc == (this.nBytesArc + this.nBytesNodeAddress - 1)) {
                this.lByDic.push(Math.round(this._convBytesToInteger(lBytesBuffer) / nDivisor));  // Math.round should be useless, BUT with JS who knowns what can happen…
                lBytesBuffer = [];
                nAcc = -1;
            }
            nAcc = nAcc + 1;
        }
    }

    _convBytesToInteger (aBytes) {
        // Byte order = Big Endian (bigger first)
        let nVal = 0;
        let nWeight = (aBytes.length - 1) * 8;
        for (let n of aBytes) {
            nVal += n << nWeight;
            nWeight = nWeight - 8;
        }
        return nVal;
    }

    createBinaryJSON () {
        this._calculateBinary();
        this._binaryToList();
        let oJSON = {
            "sHeader": "/grammalecte-fsa/",
            "sLangCode": this.sLangCode,
            "sLangName": this.sLangName,
            "sDicName": this.sDicName,
            "sDescription": this.sDescription,
            "sFileName": "[none]",
            "sDate": this._getDate(),
            "nEntry": this.nEntry,
            "nChar": this.nChar,
            "nAff": this.nAff,
            "nTag": this.nTag,
            "cStemming": this.cStemming,
            "dChar": helpers.mapToObject(this.dChar),
            "nNode": this.nNode,
            "nArc": this.nArc,
            "lArcVal": this.lArcVal,
            "nArcVal": this.nArcVal,
            "nCompressionMethod": nCompressionMethod,
            "nBytesArc": this.nBytesArc,
            "nBytesNodeAddress": this.nBytesNodeAddress,
            "nBytesOffset": this.nBytesOffset,
            "sByDic": sByDic,    // binary word graph
            //"sByDic": this.sByDic,    // binary word graph
            "lByDic": this.lByDic,
            "l2grams": Array.from(this.a2grams)
        };
        return oJSON;
    }

    _getDate () {
        let oDate = new Date();

            for (let oNode of this.arcs.values()) {
                oNode.display(nTab+1, lArcVal, bRecur);
            }
        }
    }

    // VERSION 1 =====================================================================================================
    convToBytes1 (nBytesArc, nBytesNodeAddress) {
    convToBytes (nBytesArc, nBytesNodeAddress) {
        /*
            Node scheme:
            - Arc length is defined by nBytesArc
            - Address length is defined by nBytesNodeAddress

            |                Arc                |                         Address of next node                          |
            |                                   |                                                                       |

            }
        }
        if (xProgressBar) {
            xProgressBar.value = xProgressBar.max;
        }
        try {
            let oDAWG = new DAWG(lEntry, cStemming, sLangCode, sLangName, sDicName, sDescription, xProgressBar);
            let oDict = oDAWG.createBinaryJSON(1);
            let oDict = oDAWG.createBinaryJSON();
            return oDict;
        }
        catch (e) {
            console.log("Dictionaries merger: unable to generate merged dictionary");
            console.error(e);
            return null;
        }

            console.error(e);
            console.log("path: " + sPath);
            console.log("dic:" + source.slice(0, 1000));
            throw Error("# Error. File not found or not loadable.\n" + e.message + "\n");
        }
        /*
            Properties:
            sName, nCompressionMethod, sHeader, lArcVal, nArcVal, sByDic, sLang, nChar, nBytesArc, nBytesNodeAddress,
            sName, sHeader, lArcVal, nArcVal, sByDic, sLang, nChar, nBytesArc, nBytesNodeAddress,
            nEntry, nNode, nArc, nAff, cStemming, nTag, dChar, nBytesOffset,
        */

        if (!(this.sHeader.startsWith("/grammalecte-fsa/") || this.sHeader.startsWith("/pyfsa/"))) {
            throw TypeError("# Error. Not a grammalecte-fsa binary dictionary. Header: " + this.sHeader);
        }
        if (!(this.nCompressionMethod == 1 || this.nCompressionMethod == 2 || this.nCompressionMethod == 3)) {
            throw RangeError("# Error. Unknown dictionary compression method: " + this.nCompressionMethod);
        }
        // <dChar> to get the value of an arc, <dCharVal> to get the char of an arc with its value
        this.dChar = helpers.objectToMap(this.dChar);
        this.dCharVal = this.dChar.gl_reverse();
        this.a2grams = (this.l2grams) ? new Set(this.l2grams) : null;

        if (!this.hasOwnProperty("lByDic")) {
            // old dictionary version
            if (!this.hasOwnProperty("sByDic")) {
                throw TypeError("# Error. No usable data in the dictionary.");
            }
            this.lByDic = [];
            let nAcc = 0;
            let lBytesBuffer = [];
            let nDivisor = (this.nBytesArc + this.nBytesNodeAddress) / 2;
            for (let i = 0;  i < this.sByDic.length;  i+=2) {
                lBytesBuffer.push(parseInt(this.sByDic.slice(i, i+2), 16));
                if (nAcc == (this.nBytesArc - 1)) {
                    this.lByDic.push(this._convBytesToInteger(lBytesBuffer));
                    lBytesBuffer = [];
                }
                else if (nAcc == (this.nBytesArc + this.nBytesNodeAddress - 1)) {
                    this.lByDic.push(Math.round(this._convBytesToInteger(lBytesBuffer) / nDivisor));  // Math.round should be useless, BUT with JS who knowns what can happen…
                    lBytesBuffer = [];
                    nAcc = -1;
                }
                nAcc = nAcc + 1;
            }
        }

        // masks
        this._arcMask = (2 ** ((this.nBytesArc * 8) - 3)) - 1;
        this._finalNodeMask = 1 << ((this.nBytesArc * 8) - 1);
        this._lastArcMask = 1 << ((this.nBytesArc * 8) - 2);

        // function to decode the affix/suffix code
        if (this.cStemming == "S") {
            this.funcStemming = str_transform.changeWordWithSuffixCode;
        } else if (this.cStemming == "A") {
            this.funcStemming = str_transform.changeWordWithAffixCode;
        } else {
            this.funcStemming = str_transform.noStemming;
        }

        /*
            Bug workaround.
            Mozilla’s JS parser sucks. Can’t read file bigger than 4 Mb!
            So we convert huge hexadecimal string to list of numbers…
            https://github.com/mozilla/addons-linter/issues/1361
        */
        /*
            Performance trick:
            Instead of converting bytes to integers each times we parse the binary dictionary,
            we do it once, then parse the array
        */
        this.lByDic = [];
        let nAcc = 0;
        let lBytesBuffer = [];
        let nDivisor = (this.nBytesArc + this.nBytesNodeAddress) / 2;
        for (let i = 0;  i < this.sByDic.length;  i+=2) {
            lBytesBuffer.push(parseInt(this.sByDic.slice(i, i+2), 16));
            if (nAcc == (this.nBytesArc - 1)) {
                this.lByDic.push(this._convBytesToInteger(lBytesBuffer));
                lBytesBuffer = [];
            }
            else if (nAcc == (this.nBytesArc + this.nBytesNodeAddress - 1)) {
                this.lByDic.push(Math.round(this._convBytesToInteger(lBytesBuffer) / nDivisor));  // Math.round should be useless, BUT with JS who knowns what can happen…
                lBytesBuffer = [];
                nAcc = -1;
            }
            nAcc = nAcc + 1;
        }
        /* end of bug workaround */

        this._arcMask = (2 ** ((this.nBytesArc * 8) - 3)) - 1;
        this._finalNodeMask = 1 << ((this.nBytesArc * 8) - 1);
        this._lastArcMask = 1 << ((this.nBytesArc * 8) - 2);

        //console.log(this.getInfo());
        this.bAcronymValid = true;
        this.bNumAtLastValid = false;

        // lexicographer module ?
        this.lexicographer = null;
        // JS still sucks: we’ll try importation when importation will be available in Workers. Still waiting...
        if (self && self.hasOwnProperty("lexgraph_"+this.sLangCode)) { // self is the Worker
            this.lexicographer = self["lexgraph_"+this.sLangCode];
        }
    }

    getInfo () {
        return  `  Language: ${this.sLangName}   Lang code: ${this.sLangCode}   Dictionary name: ${this.sDicName}\n` +
                `  Compression method: ${this.nCompressionMethod}   Date: ${this.sDate}   Stemming: ${this.cStemming}FX\n` +
                `  Date: ${this.sDate}   Stemming: ${this.cStemming}FX\n` +
                `  Arcs values:  ${this.nArcVal} = ${this.nChar} characters,  ${this.nAff} affixes,  ${this.nTag} tags\n` +
                `  Dictionary: ${this.nEntry} entries,    ${this.nNode} nodes,   ${this.nArc} arcs\n` +
                `  Address size: ${this.nBytesNodeAddress} bytes,  Arc size: ${this.nBytesArc} bytes\n`;
    }

    getJSON () {
        let oJSON = {

            "nTag": this.nTag,
            "cStemming": this.cStemming,
            "dChar": helpers.mapToObject(this.dChar),
            "nNode": this.nNode,
            "nArc": this.nArc,
            "lArcVal": this.lArcVal,
            "nArcVal": this.nArcVal,
            "nCompressionMethod": this.nCompressionMethod,
            "nBytesArc": this.nBytesArc,
            "nBytesNodeAddress": this.nBytesNodeAddress,
            "nBytesOffset": this.nBytesOffset,
            "sByDic": this.sByDic,  // binary word graph
            "l2grams": this.l2grams
        };
        return oJSON;

                sEntry = sWord + "\t" + self.funcStemming(sWord, self.lArcVal[nVal])
                for nMorphVal, _ in oNextNode.arcs.items():
                    if not zPattern or zPattern.search(self.lArcVal[nMorphVal]):
                        yield sEntry + "\t" + self.lArcVal[nMorphVal]


    # BINARY CONVERSION
    def _calculateBinary (self, nCompressionMethod):
        print(" > Write DAWG as an indexable binary dictionary [method: %d]" % nCompressionMethod)
    def _calculateBinary (self):
        print(" > Write DAWG as an indexable binary dictionary")
        if nCompressionMethod == 1:
            self.nBytesArc = ( (self.nArcVal.bit_length() + 2) // 8 ) + 1   # We add 2 bits. See DawgNode.convToBytes1()
            self.nBytesOffset = 0
            self._calcNumBytesNodeAddress()
            self._calcNodesAddress1()
        self.nBytesArc = ( (self.nArcVal.bit_length() + 2) // 8 ) + 1   # We add 2 bits. See DawgNode.convToBytes()
        self.nBytesOffset = 0
        self._calcNumBytesNodeAddress()
        self._calcNodesAddress()
        elif nCompressionMethod == 2:
            self.nBytesArc = ( (self.nArcVal.bit_length() + 3) // 8 ) + 1   # We add 3 bits. See DawgNode.convToBytes2()
            self.nBytesOffset = 0
            self._calcNumBytesNodeAddress()
        self.byDic = b""
        self.byDic = self.oRoot.convToBytes(self.nBytesArc, self.nBytesNodeAddress)
            self._calcNodesAddress2()
        elif nCompressionMethod == 3:
            self.nBytesArc = ( (self.nArcVal.bit_length() + 3) // 8 ) + 1   # We add 3 bits. See DawgNode.convToBytes3()
            self.nBytesOffset = 1
        for oNode in self.lMinimizedNodes:
            self.nMaxOffset = (2 ** (self.nBytesOffset * 8)) - 1
            self._calcNumBytesNodeAddress()
            self.byDic += oNode.convToBytes(self.nBytesArc, self.nBytesNodeAddress)
            self._calcNodesAddress3()
        else:
            print(" # Error: unknown compression method")
        print("   Arc values (chars, affixes and tags): {}  ->  {} bytes".format( self.nArcVal, len("\t".join(self.lArcVal).encode("utf-8")) ))
        print("   Arc size: {} bytes, Address size: {} bytes   ->   {} * {} = {} bytes".format( self.nBytesArc, self.nBytesNodeAddress, \
                                                                                                self.nBytesArc+self.nBytesNodeAddress, self.nArc, \
                                                                                                (self.nBytesArc+self.nBytesNodeAddress)*self.nArc ))

    def _calcNumBytesNodeAddress (self):
        "how many bytes needed to store all nodes/arcs in the binary dictionary"
        self.nBytesNodeAddress = 1
        while ((self.nBytesArc + self.nBytesNodeAddress) * self.nArc) > (2 ** (self.nBytesNodeAddress * 8)):
            self.nBytesNodeAddress += 1

    def _calcNodesAddress1 (self):
    def _calcNodesAddress (self):
        nBytesNode = self.nBytesArc + self.nBytesNodeAddress
        iAddr = len(self.oRoot.arcs) * nBytesNode
        for oNode in self.lMinimizedNodes:
            oNode.addr = iAddr
            iAddr += max(len(oNode.arcs), 1) * nBytesNode

    def _calcNodesAddress2 (self):
    def _binaryToList (self):
        nBytesNode = self.nBytesArc + self.nBytesNodeAddress
        iAddr = len(self.oRoot.arcs) * nBytesNode
        """
        Convert binary string to binary list
        for oNode in self.lSortedNodes:
            oNode.addr = iAddr
            iAddr += max(len(oNode.arcs), 1) * nBytesNode
            for oNextNode in oNode.arcs.values():
                if (oNode.pos + 1) == oNextNode.pos:
                    iAddr -= self.nBytesNodeAddress
        BEFORE: Arc                 Address                                 Arc                 Address
                    #break
                ||||||||| ||||||||| ||||||||| ||||||||| ||||||||| ||||||||| ||||||||| ||||||||| ||||||||| ||||||||| ||||||||| ||||||||| ...

        AFTER:  list of integers: [ arc, address, arc, address, arc, address, ... arc, address ]
        """
    def _calcNodesAddress3 (self):
        nBytesNode = self.nBytesArc + self.nBytesNodeAddress
        self.lByDic = []
        nAcc = 0
        byBuffer = b""
        nDivisor = (self.nBytesArc + self.nBytesNodeAddress) / 2
        # theorical nodes size if only addresses and no offset
        self.oRoot.size = len(self.oRoot.arcs) * nBytesNode
        for oNode in self.lSortedNodes:
        for i in range(0, len(self.byDic)):
            byBuffer += self.byDic[i:i+1]
            oNode.size = max(len(oNode.arcs), 1) * nBytesNode
        # rewind and calculate dropdown from the end, several times
        nDiff = self.nBytesNodeAddress - self.nBytesOffset
            if nAcc == (self.nBytesArc - 1):
        bEnd = False
        while not bEnd:
            bEnd = True
                self.lByDic.append(int.from_bytes(byBuffer, byteorder="big"))
                byBuffer = b""
            # recalculate addresses
            iAddr = self.oRoot.size
            for oNode in self.lSortedNodes:
                oNode.addr = iAddr
            elif nAcc == (self.nBytesArc + self.nBytesNodeAddress - 1):
                self.lByDic.append(round(int.from_bytes(byBuffer, byteorder="big") / nDivisor))
                byBuffer = b""
                iAddr += oNode.size
            # rewind and calculate dropdown from the end, several times
            for i in range(self.nNode-1, -1, -1):
                nSize = max(len(self.lSortedNodes[i].arcs), 1) * nBytesNode
                for oNextNode in self.lSortedNodes[i].arcs.values():
                    if 1 < (oNextNode.addr - self.lSortedNodes[i].addr) < self.nMaxOffset:
                        nSize -= nDiff
                nAcc = -1
                if self.lSortedNodes[i].size != nSize:
                    self.lSortedNodes[i].size = nSize
                    bEnd = False
            nAcc = nAcc + 1

    def getBinaryAsJSON (self, nCompressionMethod=1, bBinaryDictAsHexString=True):
    def getBinaryAsJSON (self):
        "return a JSON string containing all necessary data of the dictionary (compressed as a binary string)"
        self._calculateBinary(nCompressionMethod)
        self._calculateBinary()
        byDic = b""
        if nCompressionMethod == 1:
            byDic = self.oRoot.convToBytes1(self.nBytesArc, self.nBytesNodeAddress)
            for oNode in self.lMinimizedNodes:
                byDic += oNode.convToBytes1(self.nBytesArc, self.nBytesNodeAddress)
        elif nCompressionMethod == 2:
            byDic = self.oRoot.convToBytes2(self.nBytesArc, self.nBytesNodeAddress)
            for oNode in self.lSortedNodes:
        self._binaryToList()
                byDic += oNode.convToBytes2(self.nBytesArc, self.nBytesNodeAddress)
        elif nCompressionMethod == 3:
            byDic = self.oRoot.convToBytes3(self.nBytesArc, self.nBytesNodeAddress, self.nBytesOffset)
            for oNode in self.lSortedNodes:
                byDic += oNode.convToBytes3(self.nBytesArc, self.nBytesNodeAddress, self.nBytesOffset)
        return {
            "sHeader": "/grammalecte-fsa/",
            "sLangCode": self.sLangCode,
            "sLangName": self.sLangName,
            "sDicName": self.sDicName,
            "sDescription": self.sDescription,
            "sFileName": self.sFileName,
            "sDate": self._getDate(),
            "nEntry": self.nEntry,
            "nChar": self.nChar,
            "nAff": self.nAff,
            "nTag": self.nTag,
            "cStemming": self.cStemming,
            "dChar": self.dChar,
            "nNode": self.nNode,
            "nArc": self.nArc,
            "nArcVal": self.nArcVal,
            "lArcVal": self.lArcVal,
            "nCompressionMethod": nCompressionMethod,
            "nBytesArc": self.nBytesArc,
            "nBytesNodeAddress": self.nBytesNodeAddress,
            "nBytesOffset": self.nBytesOffset,
            # Mozilla’s JS parser don’t like file bigger than 4 Mb!
            # So, if necessary, we use an hexadecimal string, that we will convert later in Firefox’s extension.
            # https://github.com/mozilla/addons-linter/issues/1361
            "sByDic": byDic.hex()  if bBinaryDictAsHexString  else [ e  for e in byDic ],
            #"sByDic": self.byDic.hex(),
            "lByDic": self.lByDic,
            "l2grams": list(self.a2grams)
        }

    def writeAsJSObject (self, spfDst, nCompressionMethod, bInJSModule=False, bBinaryDictAsHexString=True):
    def writeAsJSObject (self, spfDst):
        "write a file (JSON or JS module) with all the necessary data"
        if not spfDst.endswith(".json"):
            spfDst += "."+str(nCompressionMethod)+".json"
            spfDst += ".json"
        with open(spfDst, "w", encoding="utf-8", newline="\n") as hDst:
            if bInJSModule:
                hDst.write('// JavaScript\n// Generated data (do not edit)\n\n"use strict";\n\nconst dictionary = ')
            hDst.write( json.dumps(self.getBinaryAsJSON(nCompressionMethod, bBinaryDictAsHexString), ensure_ascii=False) )
            hDst.write( json.dumps(self.getBinaryAsJSON(), ensure_ascii=False) )
            if bInJSModule:
                hDst.write(";\n\nexports.dictionary = dictionary;\n")

    def writeBinary (self, sPathFile, nCompressionMethod, bDebug=False):
        """
        Save as a binary file.

        Format of the binary indexable dictionary:
        Each section is separated with 4 bytes of \0

        - Section Header:
            /grammalecte-fsa/[compression method]
                * compression method is an ASCII string

        - Section Informations:
            /[lang code]
            /[lang name]
            /[dictionary name]
            /[date creation]
            /[number of chars]
            /[number of bytes for each arc]
            /[number of bytes for each address node]
            /[number of entries]
            /[number of nodes]
            /[number of arcs]
            /[number of affixes]
                * each field is a ASCII string
            /[stemming code]
                * "S" means stems are generated by /suffix_code/,
                  "A" means they are generated by /affix_code/
                  See defineSuffixCode() and defineAffixCode() for details.
                  "N" means no stemming

        - Section Values:
                * a list of strings encoded in binary from utf-8, each value separated with a tabulation

        - Section Word Graph (nodes / arcs)
                * A list of nodes which are a list of arcs with an address of the next node.
                  See DawgNode.convToBytes() for details.

        - Section 2grams:
                * A list of 2grams (as strings: 2 chars) encoded in binary from utf-8, each value separated with a tabulation
        """
        self._calculateBinary(nCompressionMethod)
        if not sPathFile.endswith(".bdic"):
            sPathFile += "."+str(nCompressionMethod)+".bdic"
        with open(sPathFile, 'wb') as hDst:
            # header
            hDst.write("/grammalecte-fsa/{}/".format(nCompressionMethod).encode("utf-8"))
            hDst.write(b"\0\0\0\0")
            # infos
            sInfo = "{}//{}//{}//{}//{}//{}//{}//{}//{}//{}//{}//{}//{}".format(self.sLangCode, self.sLangName, self.sDicName, self.sDescription, self._getDate(), \
                                                                                self.nChar, self.nBytesArc, self.nBytesNodeAddress, \
                                                                                self.nEntry, self.nNode, self.nArc, self.nAff, self.cStemming)
            hDst.write(sInfo.encode("utf-8"))
            hDst.write(b"\0\0\0\0")
            # lArcVal
            hDst.write("\t".join(self.lArcVal).encode("utf-8"))
            hDst.write(b"\0\0\0\0")
            # 2grams
            hDst.write("\t".join(self.a2grams).encode("utf-8"))
            hDst.write(b"\0\0\0\0")
            # DAWG: nodes / arcs
            if nCompressionMethod == 1:
                hDst.write(self.oRoot.convToBytes1(self.nBytesArc, self.nBytesNodeAddress))
                for oNode in self.lMinimizedNodes:
                    hDst.write(oNode.convToBytes1(self.nBytesArc, self.nBytesNodeAddress))
            elif nCompressionMethod == 2:
                hDst.write(self.oRoot.convToBytes2(self.nBytesArc, self.nBytesNodeAddress))
                for oNode in self.lSortedNodes:
                    hDst.write(oNode.convToBytes2(self.nBytesArc, self.nBytesNodeAddress))
            elif nCompressionMethod == 3:
                hDst.write(self.oRoot.convToBytes3(self.nBytesArc, self.nBytesNodeAddress, self.nBytesOffset))
                for oNode in self.lSortedNodes:
                    hDst.write(oNode.convToBytes3(self.nBytesArc, self.nBytesNodeAddress, self.nBytesOffset))
        if bDebug:
            self._writeNodes(sPathFile, nCompressionMethod)

    def _getDate (self):
        return time.strftime("%Y-%m-%d %H:%M:%S")

    def _writeNodes (self, sPathFile, nCompressionMethod):
    def _writeNodes (self, sPathFile):
        "for debugging only"
        print(" > Write nodes")
        with open(sPathFile+".nodes."+str(nCompressionMethod)+".txt", 'w', encoding='utf-8', newline="\n") as hDst:
        with open(sPathFile+".nodes.txt", 'w', encoding='utf-8', newline="\n") as hDst:
            if nCompressionMethod == 1:
                hDst.write(self.oRoot.getTxtRepr1(self.nBytesArc, self.lArcVal)+"\n")
                #hDst.write( ''.join( [ "%02X " %  z  for z in self.oRoot.convToBytes1(self.nBytesArc, self.nBytesNodeAddress) ] ).strip() )
                for oNode in self.lMinimizedNodes:
                    hDst.write(oNode.getTxtRepr1(self.nBytesArc, self.lArcVal)+"\n")
            hDst.write(self.oRoot.getTxtRepr(self.nBytesArc, self.lArcVal)+"\n")
            #hDst.write( ''.join( [ "%02X " %  z  for z in self.oRoot.convToBytes(self.nBytesArc, self.nBytesNodeAddress) ] ).strip() )
            for oNode in self.lMinimizedNodes:
                hDst.write(oNode.getTxtRepr(self.nBytesArc, self.lArcVal)+"\n")
            if nCompressionMethod == 2:
                hDst.write(self.oRoot.getTxtRepr2(self.nBytesArc, self.lArcVal)+"\n")
                for oNode in self.lSortedNodes:
                    hDst.write(oNode.getTxtRepr2(self.nBytesArc, self.lArcVal)+"\n")
            if nCompressionMethod == 3:
                hDst.write(self.oRoot.getTxtRepr3(self.nBytesArc, self.nBytesOffset, self.lArcVal)+"\n")
                #hDst.write( ''.join( [ "%02X " %  z  for z in self.oRoot.convToBytes3(self.nBytesArc, self.nBytesNodeAddress, self.nBytesOffset) ] ).strip() )
                for oNode in self.lSortedNodes:
                    hDst.write(oNode.getTxtRepr3(self.nBytesArc, self.nBytesOffset, self.lArcVal)+"\n")



class DawgNode:
    """Node of the word graph"""

    NextId = 0
    NextPos = 1 # (version 2)

    def __init__ (self):
        self.i = DawgNode.NextId
        DawgNode.NextId += 1
        self.final = False
        self.arcs = {}          # key: arc value; value: a node
        self.addr = 0           # address in the binary dictionary
        self.pos = 0            # position in the binary dictionary (version 2)
        self.size = 0           # size of node in bytes (version 3)

    @classmethod
    def resetNextId (cls):
        "set NextId to 0 "
        cls.NextId = 0

    def setPos (self): # version 2

        self.arcs = collections.OrderedDict(sorted(self.arcs.items(), key=lambda t: dValOccur.get(t[0], 0), reverse=True))

    def sortArcs2 (self, dValOccur, lArcVal):
        "sort arcs of each node depending on the previous char"
        self.arcs = collections.OrderedDict(sorted(self.arcs.items(), key=lambda t: dValOccur.get(lArcVal[t[0]], 0), reverse=True))

    # VERSION 1 =====================================================================================================
    def convToBytes1 (self, nBytesArc, nBytesNodeAddress):
    def convToBytes (self, nBytesArc, nBytesNodeAddress):
        """
        Convert to bytes (method 1).

        Node scheme:
        - Arc length is defined by nBytesArc
        - Address length is defined by nBytesNodeAddress

                val = val | nFinalNodeMask
            if i == nArc:
                val = val | nFinalArcMask
            by += val.to_bytes(nBytesArc, byteorder='big')
            by += self.arcs[arc].addr.to_bytes(nBytesNodeAddress, byteorder='big')
        return by

    def getTxtRepr1 (self, nBytesArc, lVal):
    def getTxtRepr (self, nBytesArc, lVal):
        "return representation as string of node (method 1)"
        nArc = len(self.arcs)
        nFinalNodeMask = 1 << ((nBytesArc*8)-1)
        nFinalArcMask = 1 << ((nBytesArc*8)-2)
        s = "i{:_>10} -- #{:_>10}\n".format(self.i, self.addr)
        if not nArc:
            s += "  {:<20}  {:0>16}  i{:_>10}   #{:_>10}\n".format("", bin(nFinalNodeMask | nFinalArcMask)[2:], "0", "0")
            return s
        for i, arc in enumerate(self.arcs, 1):
            val = arc
            if i == 1 and self.final:
                val = val | nFinalNodeMask
            if i == nArc:
                val = val | nFinalArcMask
            s += "  {:<20}  {:0>16}  i{:_>10}   #{:_>10}\n".format(lVal[arc], bin(val)[2:], self.arcs[arc].i, self.arcs[arc].addr)
        return s

    # VERSION 2 =====================================================================================================
    def convToBytes2 (self, nBytesArc, nBytesNodeAddress):
        """
        Convert to bytes (method 2).

        Node scheme:
        - Arc length is defined by nBytesArc
        - Address length is defined by nBytesNodeAddress

        |                Arc                |                         Address of next node                          |
        |                                   |                                                                       |
         ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓
         ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃
         ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛
         [...]
         ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓
         ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃
         ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛
          ^ ^ ^
          ┃ ┃ ┃
          ┃ ┃ ┗━━ if 1, caution, no address: next node is the following node
          ┃ ┗━━━━ if 1, last arc of this node
          ┗━━━━━━ if 1, this node is final (only on the first arc)
        """
        nArc = len(self.arcs)
        nFinalNodeMask = 1 << ((nBytesArc*8)-1)
        nFinalArcMask = 1 << ((nBytesArc*8)-2)
        nNextNodeMask = 1 << ((nBytesArc*8)-3)
        if not nArc:
            val = nFinalNodeMask | nFinalArcMask
            by = val.to_bytes(nBytesArc, byteorder='big')
            by += (0).to_bytes(nBytesNodeAddress, byteorder='big')
            return by
        by = b""
        for i, arc in enumerate(self.arcs, 1):
            val = arc
            if i == 1 and self.final:
                val = val | nFinalNodeMask
            if i == nArc:
                val = val | nFinalArcMask
            if (self.pos + 1) == self.arcs[arc].pos and self.i != 0:
                val = val | nNextNodeMask
                by += val.to_bytes(nBytesArc, byteorder='big')
            else:
                by += val.to_bytes(nBytesArc, byteorder='big')
                by += self.arcs[arc].addr.to_bytes(nBytesNodeAddress, byteorder='big')
        return by

    def getTxtRepr2 (self, nBytesArc, lVal):
        "return representation as string of node (method 2)"
        nArc = len(self.arcs)
        nFinalNodeMask = 1 << ((nBytesArc*8)-1)
        nFinalArcMask = 1 << ((nBytesArc*8)-2)
        nNextNodeMask = 1 << ((nBytesArc*8)-3)
        s = "i{:_>10} -- #{:_>10}\n".format(self.i, self.addr)
        if not nArc:
            s += "  {:<20}  {:0>16}  i{:_>10}   #{:_>10}\n".format("", bin(nFinalNodeMask | nFinalArcMask)[2:], "0", "0")
            return s
        for i, arc in enumerate(self.arcs, 1):
            val = arc
            if i == 1 and self.final:
                val = val | nFinalNodeMask
            if i == nArc:
                val = val | nFinalArcMask
            if (self.pos + 1) == self.arcs[arc].pos  and self.i != 0:
                val = val | nNextNodeMask
                s += "  {:<20}  {:0>16}\n".format(lVal[arc], bin(val)[2:])
            else:
                s += "  {:<20}  {:0>16}  i{:_>10}   #{:_>10}\n".format(lVal[arc], bin(val)[2:], self.arcs[arc].i, self.arcs[arc].addr)
        return s

    # VERSION 3 =====================================================================================================
    def convToBytes3 (self, nBytesArc, nBytesNodeAddress, nBytesOffset):
        """
        Convert to bytes (method 3).

        Node scheme:
        - Arc length is defined by nBytesArc
        - Address length is defined by nBytesNodeAddress
        - Offset length is defined by nBytesOffset

        |                Arc                |            Address of next node  or  offset to next node              |
        |                                   |                                                                       |
         ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓
         ┃1┃0┃0┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃
         ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛
         [...]
         ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓
         ┃0┃0┃1┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃     Offsets are shorter than addresses
         ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛
         ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓ ┏━━━━━━━━━━━━━━━┓
         ┃0┃1┃0┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃ ┃
         ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛ ┗━━━━━━━━━━━━━━━┛

          ^ ^ ^
          ┃ ┃ ┃
          ┃ ┃ ┗━━ if 1, offset instead of address of next node
          ┃ ┗━━━━ if 1, last arc of this node
          ┗━━━━━━ if 1, this node is final (only on the first arc)
        """
        nArc = len(self.arcs)
        nFinalNodeMask = 1 << ((nBytesArc*8)-1)
        nFinalArcMask = 1 << ((nBytesArc*8)-2)
        nNextNodeMask = 1 << ((nBytesArc*8)-3)
        nMaxOffset = (2 ** (nBytesOffset * 8)) - 1
        if not nArc:
            val = nFinalNodeMask | nFinalArcMask
            by = val.to_bytes(nBytesArc, byteorder='big')
            by += (0).to_bytes(nBytesNodeAddress, byteorder='big')
            return by
        by = b""
        for i, arc in enumerate(self.arcs, 1):
            val = arc
            if i == 1 and self.final:
                val = val | nFinalNodeMask
            if i == nArc:
                val = val | nFinalArcMask
            if 1 < (self.arcs[arc].addr - self.addr) < nMaxOffset and self.i != 0:
                val = val | nNextNodeMask
                by += val.to_bytes(nBytesArc, byteorder='big')
                by += (self.arcs[arc].addr-self.addr).to_bytes(nBytesOffset, byteorder='big')
            else:
                by += val.to_bytes(nBytesArc, byteorder='big')
                by += self.arcs[arc].addr.to_bytes(nBytesNodeAddress, byteorder='big')
        return by

    def getTxtRepr3 (self, nBytesArc, nBytesOffset, lVal):
        "return representation as string of node (method 3)"
        nArc = len(self.arcs)
        nFinalNodeMask = 1 << ((nBytesArc*8)-1)
        nFinalArcMask = 1 << ((nBytesArc*8)-2)
        nNextNodeMask = 1 << ((nBytesArc*8)-3)
        nMaxOffset = (2 ** (nBytesOffset * 8)) - 1
        s = "i{:_>10} -- #{:_>10}  ({})\n".format(self.i, self.addr, self.size)
        if not nArc:
            s += "  {:<20}  {:0>16}  i{:_>10}   #{:_>10}\n".format("", bin(nFinalNodeMask | nFinalArcMask)[2:], "0", "0")
            return s
        for i, arc in enumerate(self.arcs, 1):
            val = arc
            if i == 1 and self.final:
                val = val | nFinalNodeMask
            if i == nArc:
                val = val | nFinalArcMask
            if 1 < (self.arcs[arc].addr - self.addr) < nMaxOffset and self.i != 0:
                val = val | nNextNodeMask
                s += "  {:<20}  {:0>16}  i{:_>10}   +{:_>10}\n".format(lVal[arc], bin(val)[2:], self.arcs[arc].i, self.arcs[arc].addr - self.addr)
            else:
                s += "  {:<20}  {:0>16}  i{:_>10}   #{:_>10}\n".format(lVal[arc], bin(val)[2:], self.arcs[arc].i, self.arcs[arc].addr)
        return s



# Another attempt to sort node arcs

_dCharOrder = {
    # key: previous char, value: dictionary of chars {c: nValue}
    "": {}

class IBDAWG:
    """INDEXABLE BINARY DIRECT ACYCLIC WORD GRAPH"""

    def __init__ (self, source):
        if isinstance(source, str):
            self.by = pkgutil.get_data(__package__, "_dictionaries/" + source)
            if not self.by:
            by = pkgutil.get_data(__package__, "_dictionaries/" + source)
            if not by:
                raise OSError("# Error. File not found or not loadable: "+source)

            self.sFileName = source
            if source.endswith(".bdic"):
                self._initBinary()
            elif source.endswith(".json"):
                self._initJSON(json.loads(self.by.decode("utf-8")))     #json.loads(self.by)    # In Python 3.6, can read directly binary strings
            else:
            oData = json.loads(by.decode("utf-8"))     #json.loads(by)    # In Python 3.6, can read directly binary strings
        else:
                raise OSError("# Error. Unknown file type: "+source)
        else:
            self._initJSON(source)
            self.sFileName = "[None]"
            oData = source

        self.sFileName = source  if isinstance(source, str)  else "[None]"
        self.__dict__.update(oData)
        self.dCharVal = { v: k  for k, v in self.dChar.items() }
        self.a2grams = set(getattr(self, 'l2grams'))  if hasattr(self, 'l2grams')  else None

        if "lByDic" not in oData:
            print(">>>> lByDic not in oData")
        # Performance trick:
        #     Instead of converting bytes to integers each times we parse the binary dictionary,
        #     we do it once, then parse the array
        nAcc = 0
        byBuffer = b""
            if "sByDic" not in oData:
                raise TypeError("# Error. No usable data in the dictionary.")
            # old dictionary version
            self.lByDic = []
            self.byDic = binascii.unhexlify(oData["sByDic"])
            nAcc = 0
            byBuffer = b""
        self.lByDic = []
        nDivisor = (self.nBytesArc + self.nBytesNodeAddress) / 2
        for i in range(0, len(self.byDic)):
            byBuffer += self.byDic[i:i+1]
            if nAcc == (self.nBytesArc - 1):
                self.lByDic.append(int.from_bytes(byBuffer, byteorder="big"))
                byBuffer = b""
            elif nAcc == (self.nBytesArc + self.nBytesNodeAddress - 1):
                self.lByDic.append(round(int.from_bytes(byBuffer, byteorder="big") / nDivisor))
                byBuffer = b""
                nAcc = -1
            nAcc = nAcc + 1
            nDivisor = (self.nBytesArc + self.nBytesNodeAddress) / 2
            for i in range(0, len(self.byDic)):
                byBuffer += self.byDic[i:i+1]
                if nAcc == (self.nBytesArc - 1):
                    self.lByDic.append(int.from_bytes(byBuffer, byteorder="big"))
                    byBuffer = b""
                elif nAcc == (self.nBytesArc + self.nBytesNodeAddress - 1):
                    self.lByDic.append(round(int.from_bytes(byBuffer, byteorder="big") / nDivisor))
                    byBuffer = b""
                    nAcc = -1
                nAcc = nAcc + 1

        # masks
        self._arcMask = (2 ** ((self.nBytesArc * 8) - 3)) - 1
        self._finalNodeMask = 1 << ((self.nBytesArc * 8) - 1)
        self._lastArcMask = 1 << ((self.nBytesArc * 8) - 2)

        # function to decode the affix/suffix code

        # lexicographer module ?
        self.lexicographer = None
        try:
            self.lexicographer = importlib.import_module(".lexgraph_"+self.sLangCode, "grammalecte.graphspell")
        except ImportError:
            print("# No module <graphspell.lexgraph_"+self.sLangCode+".py>")


    def _initBinary (self):
        "initialize with binary structure file"
        if self.by[0:17] != b"/grammalecte-fsa/":
            raise TypeError("# Error. Not a grammalecte-fsa binary dictionary. Header: {}".format(self.by[0:9]))
        if not(self.by[17:18] == b"1" or self.by[17:18] == b"2" or self.by[17:18] == b"3"):
            raise ValueError("# Error. Unknown dictionary version: {}".format(self.by[17:18]))
        try:
            byHeader, byInfo, byValues, by2grams, byDic = self.by.split(b"\0\0\0\0", 4)
        except Exception:
            raise Exception

        self.nCompressionMethod = int(self.by[17:18].decode("utf-8"))
        self.sHeader = byHeader.decode("utf-8")
        self.lArcVal = byValues.decode("utf-8").split("\t")
        self.nArcVal = len(self.lArcVal)
        self.byDic = byDic
        self.a2grams = set(by2grams.decode("utf-8").split("\t"))

        l = byInfo.decode("utf-8").split("//")
        self.sLangCode = l.pop(0)
        self.sLangName = l.pop(0)
        self.sDicName = l.pop(0)
        self.sDescription = l.pop(0)
        self.sDate = l.pop(0)
        self.nChar = int(l.pop(0))
        self.nBytesArc = int(l.pop(0))
        self.nBytesNodeAddress = int(l.pop(0))
        self.nEntry = int(l.pop(0))
        self.nNode = int(l.pop(0))
        self.nArc = int(l.pop(0))
        self.nAff = int(l.pop(0))
        self.cStemming = l.pop(0)
        self.nTag = self.nArcVal - self.nChar - self.nAff
        # <dChar> to get the value of an arc, <dCharVal> to get the char of an arc with its value
        self.dChar = {}
        for i in range(1, self.nChar+1):
            self.dChar[self.lArcVal[i]] = i
        self.dCharVal = { v: k  for k, v in self.dChar.items() }

    def _initJSON (self, oJSON):
        "initialize with a JSON text file"
        self.sByDic = ""  # init to prevent pylint whining
        self.__dict__.update(oJSON)
        self.byDic = binascii.unhexlify(self.sByDic)
        self.dCharVal = { v: k  for k, v in self.dChar.items() }
        self.a2grams = set(getattr(self, 'l2grams'))  if hasattr(self, 'l2grams')  else None

    def getInfo (self):
        "return string about the IBDAWG"
        return  "  Language: {0.sLangName}   Lang code: {0.sLangCode}   Dictionary name: {0.sDicName}" \
                "  Compression method: {0.nCompressionMethod:>2}   Date: {0.sDate}   Stemming: {0.cStemming}FX\n" \
                "  Date: {0.sDate}   Stemming: {0.cStemming}FX\n" \
                "  Arcs values:  {0.nArcVal:>10,} = {0.nChar:>5,} characters,  {0.nAff:>6,} affixes,  {0.nTag:>6,} tags\n" \
                "  Dictionary: {0.nEntry:>12,} entries,    {0.nNode:>11,} nodes,   {0.nArc:>11,} arcs\n" \
                "  Address size: {0.nBytesNodeAddress:>1} bytes,  Arc size: {0.nBytesArc:>1} bytes\n".format(self)

    def writeAsJSObject (self, spfDest, bInJSModule=False, bBinaryDictAsHexString=False):
        "write IBDAWG as a JavaScript object in a JavaScript module"
        with open(spfDest, "w", encoding="utf-8", newline="\n") as hDst:
            if bInJSModule:
                hDst.write('// JavaScript\n// Generated data (do not edit)\n\n"use strict";\n\nconst dictionary = ')
            hDst.write(json.dumps({
                "sHeader": "/grammalecte-fsa/",
                "sLangCode": self.sLangCode,
                "sLangName": self.sLangName,
                "sDicName": self.sDicName,
                "sDescription": self.sDescription,
                "sFileName": self.sFileName,
                "sDate": self.sDate,
                "nEntry": self.nEntry,
                "nChar": self.nChar,
                "nAff": self.nAff,
                "nTag": self.nTag,
                "cStemming": self.cStemming,
                "dChar": self.dChar,
                "nNode": self.nNode,
                "nArc": self.nArc,
                "nArcVal": self.nArcVal,
                "lArcVal": self.lArcVal,
                "nCompressionMethod": self.nCompressionMethod,
                "nBytesArc": self.nBytesArc,
                "nBytesNodeAddress": self.nBytesNodeAddress,
                # JavaScript is a pile of shit, so Mozilla’s JS parser don’t like file bigger than 4 Mb!
                # So, if necessary, we use an hexadecimal string, that we will convert later in Firefox’s extension.
                # https://github.com/mozilla/addons-linter/issues/1361
                "sByDic": self.byDic.hex()  if bBinaryDictAsHexString  else [ e  for e in self.byDic ],
                "l2grams": list(self.a2grams)
            }, ensure_ascii=False))
            if bInJSModule:
                hDst.write(";\n\nexports.dictionary = dictionary;\n")

    def isValidToken (self, sToken):
        "checks if <sToken> is valid (if there is hyphens in <sToken>, <sToken> is split, each part is checked)"
        sToken = st.spellingNormalization(sToken)
        if self.isValid(sToken):
            return True
        if "-" in sToken:
            if sToken.count("-") > 4:

import traceback

from . import ibdawg
from . import tokenizer


dDefaultDictionaries = {
    "fr": "fr-allvars.bdic",
    "en": "en.bdic"
    "fr": "fr-allvars.json",
    "en": "en.json"
}


class SpellChecker ():
    "SpellChecker: wrapper for the IBDAWG class"

    def __init__ (self, sLangCode, sfMainDic="", sfCommunityDic="", sfPersonalDic=""):

#!python3

"""
Lexicon builder
"""

import argparse
from distutils import dir_util

import graphspell.dawg as fsa
from graphspell.ibdawg import IBDAWG


def build (spfSrc, sLangCode, sLangName, sfDict, bJSON=False, sDicName="", sDescription="", sFilter="", cStemmingMethod="S", nCompressMethod=1):
def build (spfSrc, sLangCode, sLangName, sfDict, bJavaScript=False, sDicName="", sDescription="", sFilter="", cStemmingMethod="S", nCompressMethod=1):
    "transform a text lexicon as a binary indexable dictionary"
    oDAWG = fsa.DAWG(spfSrc, cStemmingMethod, sLangCode, sLangName, sDicName, sDescription, sFilter)
    dir_util.mkpath("graphspell/_dictionaries")
    oDAWG.writeInfo("graphspell/_dictionaries/" + sfDict + ".info.txt")
    oDAWG.writeAsJSObject("graphspell/_dictionaries/" + sfDict + ".json")
    oDAWG.writeBinary("graphspell/_dictionaries/" + sfDict + ".bdic", int(nCompressMethod))
    if bJSON:
    if bJavaScript:
        dir_util.mkpath("graphspell-js/_dictionaries")
        oDic = IBDAWG(sfDict + ".bdic")
        oDic.writeAsJSObject("graphspell-js/_dictionaries/" + sfDict + ".json", bBinaryDictAsHexString=True)
        oDAWG.writeAsJSObject("graphspell-js/_dictionaries/" + sfDict + ".json")


def main ():
    "parse args from CLI"
    xParser = argparse.ArgumentParser()
    xParser.add_argument("src_lexicon", type=str, help="path and file name of the source lexicon")
    xParser.add_argument("lang_code", type=str, help="language code")

    dVars["dic_personal_filename_js"] = ""
    lDict = [ ("main", s)  for s in dVars['dic_filenames'].split(",") ]
    if bCommunityDict:
        lDict.append(("community", dVars['dic_community_filename']))
    if bPersonalDict:
        lDict.append(("personal", dVars['dic_personal_filename']))
    for sType, sFileName in lDict:
        spfPyDic = f"graphspell/_dictionaries/{sFileName}.bdic"
        spfPyDic = f"graphspell/_dictionaries/{sFileName}.json"
        spfJSDic = f"graphspell-js/_dictionaries/{sFileName}.json"
        if not os.path.isfile(spfPyDic) or (bJavaScript and not os.path.isfile(spfJSDic)):
            buildDictionary(dVars, sType, bJavaScript)
        print("  +", spfPyDic)
        file_util.copy_file(spfPyDic, "grammalecte/graphspell/_dictionaries")
        dVars['dic_'+sType+'_filename_py'] = sFileName + '.bdic'
        dVars['dic_'+sType+'_filename_py'] = sFileName + '.json'
        if bJavaScript:
            print("  +", spfJSDic)
            file_util.copy_file(spfJSDic, "grammalecte-js/graphspell/_dictionaries")
            dVars['dic_'+sType+'_filename_js'] = sFileName + '.json'
    dVars['dic_main_filename_py'] = dVars['dic_default_filename_py'] + ".bdic"
    dVars['dic_main_filename_py'] = dVars['dic_default_filename_py'] + ".json"
    dVars['dic_main_filename_js'] = dVars['dic_default_filename_js'] + ".json"


def buildDictionary (dVars, sType, bJavaScript=False):
    "build binary dictionary for Graphspell from lexicons"
    if sType == "main":
        spfLexSrc = dVars['lexicon_src']

#!python3
# Just a file for one-shot scripts

import os
import sys
import re

import graphspell.ibdawg as ibdawg

oDict = ibdawg.IBDAWG("French.bdic")
oDict = ibdawg.IBDAWG("fr-allvars.json")


def readFile (spf):
    if os.path.isfile(spf):
        with open(spf, "r", encoding="utf-8") as hSrc:
            for sLine in hSrc:
                yield sLine
    else:
        print("# Error: file not found.")

# --------------------------------------------------------------------------------------------------

def listUnknownWords (spf):
    with open(spf+".res.txt", "w", encoding="utf-8") as hDst:
        for sLine in readFile(spfSrc):
            sLine = sLine.strip()
            if sLine:
                for sWord in sLine.split():
                    if not oDict.isValid(sWord): 
                    if not oDict.isValid(sWord):
                        hDst.write(sWord+"\n")

# --------------------------------------------------------------------------------------------------

def createLexStatFile (spf, dStat):
    dWord = {}
    for i, sLine in enumerate(readFile(spf)):