Grammalecte  Check-in [80ebc25208]

Overview
Comment:[core] ibdawg: suggestion mechanism update + keyboard chars proximity
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SHA3-256: 80ebc25208ff6959e1d14608fd053a5ea72bd93723d9614c40835a550fd14130
User & Date: olr on 2017-06-26 06:50:06
Other Links: manifest | tags
Context
2017-06-26
06:54
[core] comment update check-in: 6288449780 user: olr tags: core, trunk
06:50
[core] ibdawg: suggestion mechanism update + keyboard chars proximity check-in: 80ebc25208 user: olr tags: core, trunk
2017-06-25
23:41
[core] ibdawg: suggestion mechanism update check-in: cee9fdd1aa user: olr tags: core, trunk
Changes

Modified gc_core/py/char_player.py from [faa9abdccc] to [b5981aec34].

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    "ô": ("aut", "ot", "os"),
    "ö": ("aut", "ot", "os"),

    "u": ("ut", "us"),
}

dFinal2 = {

    "an": ("ant", "ent"),
    "en": ("ent", "ant"),
    "ei": ("ait", "ais"),
    "on": ("ons", "ont"),
    "oi": ("ois", "oit", "oix"),
}


# Préfixes



aPfx = ("anti", "contre", "mé", "im", "in", "ir", "par", "pré", "re", "ré", "sans", "sous", "sur")


# Keyboards


dBépo = {
    # on présume que le bépoète est moins susceptible de faire des erreurs de frappe que l’azertyste.
    # ligne 2
    "b": "éa",
    "é": "bpu",
    "p": "éoi",
    "o": "pèe",
    "è": "o",
    "v": "dt",
    "d": "vls",
    "l": "djr",
    "j": "lzn",
    "z": "jmw",
    # ligne 3
    "a": "ubà",
    "u": "aiéy",
    "i": "uepx",
    "e": "io",
    "c": "t",
    "t": "csvq",
    "s": "trdg",
    "r": "snlh",
    "n": "rmjf",
    "m": "nzç",
    # ligne 4
    "à": "yêa",
    "y": "àxu",
    "x": "ywi",
    "w": "z",
    "k": "c",
    "q": "gt",
    "g": "qhs",
    "h": "gfr",
    "f": "hçn",
    "ç": "fm",
}

dAzerty = {
    # ligne 1
    "é": "az",
    "è": "yu",
    "ç": "àio",
    "à": "op",
    # ligne 2
    "a": "zéqs",
    "z": "aesqd",
    "e": "zrdsf",
    "r": "etfdg",
    "t": "rygfh",
    "y": "tuhgj",
    "u": "yijhk",
    "i": "uokjl",
    "o": "iplkm",
    "p": "oml",
    # ligne 3
    "q": "sawz",
    "s": "qdzwxe",
    "d": "sfexcr",
    "f": "dgrcvt",
    "g": "fhtvby",
    "h": "gjybnu",
    "j": "hkuni",
    "k": "jlio",
    "l": "kmop",
    "m": "lùp",
    "ù": "m",
    # ligne 4
    "w": "xqs",
    "x": "wcsd",
    "c": "xvdf",
    "v": "cbfg",
    "b": "vngh",
    "n": "bhj",
}








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    "ô": ("aut", "ot", "os"),
    "ö": ("aut", "ot", "os"),

    "u": ("ut", "us"),
}

dFinal2 = {
    "ai": ("aient", "ais", "et"),
    "an": ("ant", "ent"),
    "en": ("ent", "ant"),
    "ei": ("ait", "ais"),
    "on": ("ons", "ont"),
    "oi": ("ois", "oit", "oix"),
}


# Préfixes

aPfx1 = frozenset([
    "anti", "archi", "contre", "hyper", "mé", "méta", "im", "in", "ir", "par", "proto",
    "pseudo", "pré", "re", "ré", "sans", "sous", "supra", "sur", "ultra"




])
aPfx2 = frozenset([
    "belgo", "franco", "génito", "gynéco", "médico", "russo"








































































])

Modified gc_core/py/ibdawg.py from [18fa7e7c19] to [1a4cdd2a3d].

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                            "_addrBitMask": self._addrBitMask,
                            "nBytesOffset": self.nBytesOffset
                        }, 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)"
        if self.isValid(sToken):
            return True
        if "-" in sToken:
            if sToken.count("-") > 4:
                return True
            return all(self.isValid(sWord)  for sWord in sToken.split("-"))
        return False

    def isValid (self, sWord):
        "checks if sWord is valid (different casing tested if the first letter is a capital)"
        if not sWord:
            return None
        if "’" in sWord: # ugly hack
            sWord = sWord.replace("’", "'")
        if self.lookup(sWord):
            return True
        if sWord[0:1].isupper():
................................................................................
                    return bool(self.lookup(sWord.lower()) or self.lookup(sWord.capitalize()))
                return bool(self.lookup(sWord[:1].lower() + sWord[1:]))
            else:
                return bool(self.lookup(sWord.lower()))
        return False

    def lookup (self, sWord):
        "returns True if sWord in dictionary (strict verification)"
        iAddr = 0
        for c in sWord:
            if c not in self.dChar:
                return False
            iAddr = self._lookupArcNode(self.dChar[c], iAddr)
            if iAddr == None:
                return False
        return int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask

    def suggest (self, sWord):
        "returns a set of similar words"
        # first, we check for similar words
        return set(self._suggestWithCrushedUselessChars(cp.clearWord(sWord)))
        lSugg = self._suggest(sWord)
        if not lSugg:
            lSugg.extend(self._suggest(sWord[1:]))
            lSugg.extend(self._suggest(sWord[:-1]))
            lSugg.extend(self._suggest(sWord[1:-1]))
            if not lSugg:
                lSugg.extend(self._suggestWithCrushedUselessChars(cp.clearWord(sWord)))
        return set(lSugg)

    def _suggest (self, sWord, cPrevious='', nDeep=0, iAddr=0, sNewWord="", bAvoidLoop=False):
        # RECURSIVE FUNCTION
        if not sWord:
            if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
                show(nDeep, "!!! " + sNewWord + " !!!")
                return [sNewWord]
            return []
        #show(nDeep, "<" + sWord + ">  ===>  " + sNewWord)
        lSugg = []
        cCurrent = sWord[0:1]
        for cChar, jAddr in self._getSimilarArcs(cCurrent, iAddr):
            #show(nDeep, cChar)
            lSugg.extend(self._suggest(sWord[1:], cCurrent, nDeep+1, jAddr, sNewWord+cChar))
        if not bAvoidLoop: # avoid infinite loop
            #show(nDeep, ":no loop:")
            if cPrevious == cCurrent:
                # same char, we remove 1 char without adding 1 to <sNewWord>
                lSugg.extend(self._suggest(sWord[1:], cCurrent, nDeep+1, iAddr, sNewWord))
            for sRepl in cp.d1toX.get(cCurrent, ()):
                #show(nDeep, sRepl)
                lSugg.extend(self._suggest(sRepl + sWord[1:], cCurrent, nDeep+1, iAddr, sNewWord, True))




            if len(sWord) == 1:
                #show(nDeep, ":end of word:")
                # end of word
                for sRepl in cp.dFinal1.get(sWord, ()):
                    #show(nDeep, sRepl)
                    lSugg.extend(self._suggest(sRepl, cCurrent, nDeep+1, iAddr, sNewWord, True))
        return lSugg

    def _getSimilarArcs (self, cChar, iAddr):
        "generator: yield similar char of <cChar> and address of the following node"
        for c in cp.d1to1.get(cChar, [cChar]):
            if c in self.dChar:
                jAddr = self._lookupArcNode(self.dChar[c], iAddr)
                if jAddr:
                    yield (c, jAddr)

    def _suggestWithCrushedUselessChars (self, sWord, cPrevious='', nDeep=0, iAddr=0, sNewWord="", bAvoidLoop=False):
        if not sWord:
            if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
                show(nDeep, "!!! " + sNewWord + " !!!")
                return [sNewWord]
            return []
        lSugg = []
        cCurrent = sWord[0:1]
        for cChar, jAddr in self._getSimilarArcsAndCrushedChars(cCurrent, iAddr):
            show(nDeep, cChar)
            lSugg.extend(self._suggestWithCrushedUselessChars(sWord[1:], cCurrent, nDeep+1, jAddr, sNewWord+cChar))
        return lSugg

    def _getSimilarArcsAndCrushedChars (self, cChar, iAddr):
        "generator: yield similar char of <cChar> and address of the following node"
        for nVal, jAddr in self._getArcs(iAddr):
            if self.dVal.get(nVal, "") in cp.aUselessChar:
                yield (self.dVal[nVal], jAddr)
................................................................................
                        l.append(sStem + " " + self.lArcVal[nRawArc2 & self._arcMask])
                        iAddr2 = iEndArcAddr2+self.nBytesNodeAddress
                iAddr = iEndArcAddr+self.nBytesNodeAddress
            return l
        return []

    def _stem1 (self, sWord):
        "returns stems list of sWord"
        iAddr = 0
        for c in sWord:
            if c not in self.dChar:
                return []
            iAddr = self._lookupArcNode(self.dChar[c], iAddr)
            if iAddr == None:
                return []
................................................................................
                    # This value is not a char, this is a stemming code 
                    l.append(self.funcStemming(sWord, self.lArcVal[nArc]))
                iAddr = iEndArcAddr+self.nBytesNodeAddress
            return l
        return []

    def _lookupArcNode1 (self, nVal, iAddr):
        "looks if nVal is an arc at the node at iAddr, if yes, returns address of next node else None"
        while True:
            iEndArcAddr = iAddr+self.nBytesArc
            nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
            if nVal == (nRawArc & self._arcMask):
                # the value we are looking for 
                # we return the address of the next node
                return int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
................................................................................
                iAddr = iEndArcAddr+self.nBytesNodeAddress
                if (nRawArc & self._lastArcMask) and iAddr < len(self.byDic):
                    hDst.write("\ni{:_>10} -- #{:_>10}\n".format("?", iAddr))
            hDst.close()

    # VERSION 2
    def _morph2 (self, sWord):
        "returns morphologies of sWord"
        iAddr = 0
        for c in sWord:
            if c not in self.dChar:
                return []
            iAddr = self._lookupArcNode(self.dChar[c], iAddr)
            if iAddr == None:
                return []
................................................................................
                        l.append(sStem + " " + self.lArcVal[nRawArc2 & self._arcMask])
                        iAddr2 = iEndArcAddr2+self.nBytesNodeAddress  if not (nRawArc2 & self._addrBitMask) else iEndArcAddr2
                iAddr = iEndArcAddr+self.nBytesNodeAddress  if not (nRawArc & self._addrBitMask)  else iEndArcAddr
            return l
        return []

    def _stem2 (self, sWord):
        "returns stems list of sWord"
        iAddr = 0
        for c in sWord:
            if c not in self.dChar:
                return []
            iAddr = self._lookupArcNode(self.dChar[c], iAddr)
            if iAddr == None:
                return []
................................................................................
                            nRawArc = int.from_bytes(self.byDic[iAddr2:iAddr2+self.nBytesArc], byteorder='big')
                            iAddr2 += self.nBytesArc + self.nBytesNodeAddress
                iAddr = iEndArcAddr+self.nBytesNodeAddress  if not (nRawArc & self._addrBitMask)  else iEndArcAddr
            return l
        return []

    def _lookupArcNode2 (self, nVal, iAddr):
        "looks if nVal is an arc at the node at iAddr, if yes, returns address of next node else None"
        while True:
            iEndArcAddr = iAddr+self.nBytesArc
            nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
            if nVal == (nRawArc & self._arcMask):
                # the value we are looking for 
                if not (nRawArc & self._addrBitMask):
                    # we return the address of the next node
................................................................................
                    iAddr = iEndArcAddr
                if (nRawArc & self._lastArcMask):
                    hDst.write("\ni{:_>10} -- #{:_>10}\n".format("?", iAddr))
            hDst.close()

    # VERSION 3
    def _morph3 (self, sWord):
        "returns morphologies of sWord"
        iAddr = 0
        for c in sWord:
            if c not in self.dChar:
                return []
            iAddr = self._lookupArcNode(self.dChar[c], iAddr)
            if iAddr == None:
                return []
................................................................................
                        l.append(sStem + " " + self.lArcVal[nRawArc2 & self._arcMask])
                        iAddr2 = iEndArcAddr2+self.nBytesNodeAddress  if not (nRawArc2 & self._addrBitMask) else iEndArcAddr2+self.nBytesOffset
                iAddr = iEndArcAddr+self.nBytesNodeAddress  if not (nRawArc & self._addrBitMask)  else iEndArcAddr+self.nBytesOffset
            return l
        return []

    def _stem3 (self, sWord):
        "returns stems list of sWord"
        iAddr = 0
        for c in sWord:
            if c not in self.dChar:
                return []
            iAddr = self._lookupArcNode(self.dChar[c], iAddr)
            if iAddr == None:
                return []
................................................................................
                    # This value is not a char, this is a stemming code 
                    l.append(self.funcStemming(sWord, self.lArcVal[nArc]))
                iAddr = iEndArcAddr+self.nBytesNodeAddress  if not (nRawArc & self._addrBitMask)  else iEndArcAddr+self.nBytesOffset
            return l
        return []

    def _lookupArcNode3 (self, nVal, iAddr):
        "looks if nVal is an arc at the node at iAddr, if yes, returns address of next node else None"
        iAddrNode = iAddr
        while True:
            iEndArcAddr = iAddr+self.nBytesArc
            nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
            if nVal == (nRawArc & self._arcMask):
                # the value we are looking for 
                if not (nRawArc & self._addrBitMask):







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                            "_addrBitMask": self._addrBitMask,
                            "nBytesOffset": self.nBytesOffset
                        }, 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)"
        if self.isValid(sToken):
            return True
        if "-" in sToken:
            if sToken.count("-") > 4:
                return True
            return all(self.isValid(sWord)  for sWord in sToken.split("-"))
        return False

    def isValid (self, sWord):
        "checks if <sWord> is valid (different casing tested if the first letter is a capital)"
        if not sWord:
            return None
        if "’" in sWord: # ugly hack
            sWord = sWord.replace("’", "'")
        if self.lookup(sWord):
            return True
        if sWord[0:1].isupper():
................................................................................
                    return bool(self.lookup(sWord.lower()) or self.lookup(sWord.capitalize()))
                return bool(self.lookup(sWord[:1].lower() + sWord[1:]))
            else:
                return bool(self.lookup(sWord.lower()))
        return False

    def lookup (self, sWord):
        "returns True if <sWord> in dictionary (strict verification)"
        iAddr = 0
        for c in sWord:
            if c not in self.dChar:
                return False
            iAddr = self._lookupArcNode(self.dChar[c], iAddr)
            if iAddr == None:
                return False
        return int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask

    def suggest (self, sWord):
        "returns a set of similar words"
        # first, we check for similar words
        #return set(self._suggestWithCrushedUselessChars(cp.clearWord(sWord)))
        lSugg = self._suggest(sWord)
        if not lSugg:
            lSugg.extend(self._suggest(sWord[1:]))
            lSugg.extend(self._suggest(sWord[:-1]))
            lSugg.extend(self._suggest(sWord[1:-1]))
            if not lSugg:
                lSugg.extend(self._suggestWithCrushedUselessChars(cp.clearWord(sWord)))
        return set(lSugg)

    def _suggest (self, sWord, nDeep=0, iAddr=0, sNewWord="", bAvoidLoop=False):
        # RECURSIVE FUNCTION
        if not sWord:
            if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
                show(nDeep, "!!! " + sNewWord + " !!!")
                return [sNewWord]
            return []
        #show(nDeep, "<" + sWord + ">  ===>  " + sNewWord)
        lSugg = []
        cCurrent = sWord[0:1]
        for cChar, jAddr in self._getSimilarArcs(cCurrent, iAddr):
            #show(nDeep, cChar)
            lSugg.extend(self._suggest(sWord[1:], nDeep+1, jAddr, sNewWord+cChar))
        if not bAvoidLoop: # avoid infinite loop
            #show(nDeep, ":no loop:")
            if cCurrent == sWord[1:2]:
                # same char, we remove 1 char without adding 1 to <sNewWord>
                lSugg.extend(self._suggest(sWord[1:], nDeep+1, iAddr, sNewWord))
            for sRepl in cp.d1toX.get(cCurrent, ()):
                #show(nDeep, sRepl)
                lSugg.extend(self._suggest(sRepl + sWord[1:], nDeep+1, iAddr, sNewWord, True))
            if len(sWord) == 2:
                for sRepl in cp.dFinal2.get(sWord, ()):
                    #show(nDeep, sRepl)
                    lSugg.extend(self._suggest(sRepl, nDeep+1, iAddr, sNewWord, True))
            elif len(sWord) == 1:
                #show(nDeep, ":end of word:")
                # end of word
                for sRepl in cp.dFinal1.get(sWord, ()):
                    #show(nDeep, sRepl)
                    lSugg.extend(self._suggest(sRepl, nDeep+1, iAddr, sNewWord, True))
        return lSugg

    def _getSimilarArcs (self, cChar, iAddr):
        "generator: yield similar char of <cChar> and address of the following node"
        for c in cp.d1to1.get(cChar, [cChar]):
            if c in self.dChar:
                jAddr = self._lookupArcNode(self.dChar[c], iAddr)
                if jAddr:
                    yield (c, jAddr)

    def _suggestWithCrushedUselessChars (self, sWord, nDeep=0, iAddr=0, sNewWord="", bAvoidLoop=False):
        if not sWord:
            if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask:
                show(nDeep, "!!! " + sNewWord + " !!!")
                return [sNewWord]
            return []
        lSugg = []
        cCurrent = sWord[0:1]
        for cChar, jAddr in self._getSimilarArcsAndCrushedChars(cCurrent, iAddr):
            show(nDeep, cChar)
            lSugg.extend(self._suggestWithCrushedUselessChars(sWord[1:], nDeep+1, jAddr, sNewWord+cChar))
        return lSugg

    def _getSimilarArcsAndCrushedChars (self, cChar, iAddr):
        "generator: yield similar char of <cChar> and address of the following node"
        for nVal, jAddr in self._getArcs(iAddr):
            if self.dVal.get(nVal, "") in cp.aUselessChar:
                yield (self.dVal[nVal], jAddr)
................................................................................
                        l.append(sStem + " " + self.lArcVal[nRawArc2 & self._arcMask])
                        iAddr2 = iEndArcAddr2+self.nBytesNodeAddress
                iAddr = iEndArcAddr+self.nBytesNodeAddress
            return l
        return []

    def _stem1 (self, sWord):
        "returns stems list of <sWord>"
        iAddr = 0
        for c in sWord:
            if c not in self.dChar:
                return []
            iAddr = self._lookupArcNode(self.dChar[c], iAddr)
            if iAddr == None:
                return []
................................................................................
                    # This value is not a char, this is a stemming code 
                    l.append(self.funcStemming(sWord, self.lArcVal[nArc]))
                iAddr = iEndArcAddr+self.nBytesNodeAddress
            return l
        return []

    def _lookupArcNode1 (self, nVal, iAddr):
        "looks if <nVal> is an arc at the node at <iAddr>, if yes, returns address of next node else None"
        while True:
            iEndArcAddr = iAddr+self.nBytesArc
            nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
            if nVal == (nRawArc & self._arcMask):
                # the value we are looking for 
                # we return the address of the next node
                return int.from_bytes(self.byDic[iEndArcAddr:iEndArcAddr+self.nBytesNodeAddress], byteorder='big')
................................................................................
                iAddr = iEndArcAddr+self.nBytesNodeAddress
                if (nRawArc & self._lastArcMask) and iAddr < len(self.byDic):
                    hDst.write("\ni{:_>10} -- #{:_>10}\n".format("?", iAddr))
            hDst.close()

    # VERSION 2
    def _morph2 (self, sWord):
        "returns morphologies of <sWord>"
        iAddr = 0
        for c in sWord:
            if c not in self.dChar:
                return []
            iAddr = self._lookupArcNode(self.dChar[c], iAddr)
            if iAddr == None:
                return []
................................................................................
                        l.append(sStem + " " + self.lArcVal[nRawArc2 & self._arcMask])
                        iAddr2 = iEndArcAddr2+self.nBytesNodeAddress  if not (nRawArc2 & self._addrBitMask) else iEndArcAddr2
                iAddr = iEndArcAddr+self.nBytesNodeAddress  if not (nRawArc & self._addrBitMask)  else iEndArcAddr
            return l
        return []

    def _stem2 (self, sWord):
        "returns stems list of <sWord>"
        iAddr = 0
        for c in sWord:
            if c not in self.dChar:
                return []
            iAddr = self._lookupArcNode(self.dChar[c], iAddr)
            if iAddr == None:
                return []
................................................................................
                            nRawArc = int.from_bytes(self.byDic[iAddr2:iAddr2+self.nBytesArc], byteorder='big')
                            iAddr2 += self.nBytesArc + self.nBytesNodeAddress
                iAddr = iEndArcAddr+self.nBytesNodeAddress  if not (nRawArc & self._addrBitMask)  else iEndArcAddr
            return l
        return []

    def _lookupArcNode2 (self, nVal, iAddr):
        "looks if <nVal> is an arc at the node at <iAddr>, if yes, returns address of next node else None"
        while True:
            iEndArcAddr = iAddr+self.nBytesArc
            nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
            if nVal == (nRawArc & self._arcMask):
                # the value we are looking for 
                if not (nRawArc & self._addrBitMask):
                    # we return the address of the next node
................................................................................
                    iAddr = iEndArcAddr
                if (nRawArc & self._lastArcMask):
                    hDst.write("\ni{:_>10} -- #{:_>10}\n".format("?", iAddr))
            hDst.close()

    # VERSION 3
    def _morph3 (self, sWord):
        "returns morphologies of <sWord>"
        iAddr = 0
        for c in sWord:
            if c not in self.dChar:
                return []
            iAddr = self._lookupArcNode(self.dChar[c], iAddr)
            if iAddr == None:
                return []
................................................................................
                        l.append(sStem + " " + self.lArcVal[nRawArc2 & self._arcMask])
                        iAddr2 = iEndArcAddr2+self.nBytesNodeAddress  if not (nRawArc2 & self._addrBitMask) else iEndArcAddr2+self.nBytesOffset
                iAddr = iEndArcAddr+self.nBytesNodeAddress  if not (nRawArc & self._addrBitMask)  else iEndArcAddr+self.nBytesOffset
            return l
        return []

    def _stem3 (self, sWord):
        "returns stems list of <sWord>"
        iAddr = 0
        for c in sWord:
            if c not in self.dChar:
                return []
            iAddr = self._lookupArcNode(self.dChar[c], iAddr)
            if iAddr == None:
                return []
................................................................................
                    # This value is not a char, this is a stemming code 
                    l.append(self.funcStemming(sWord, self.lArcVal[nArc]))
                iAddr = iEndArcAddr+self.nBytesNodeAddress  if not (nRawArc & self._addrBitMask)  else iEndArcAddr+self.nBytesOffset
            return l
        return []

    def _lookupArcNode3 (self, nVal, iAddr):
        "looks if <nVal> is an arc at the node at <iAddr>, if yes, returns address of next node else None"
        iAddrNode = iAddr
        while True:
            iEndArcAddr = iAddr+self.nBytesArc
            nRawArc = int.from_bytes(self.byDic[iAddr:iEndArcAddr], byteorder='big')
            if nVal == (nRawArc & self._arcMask):
                # the value we are looking for 
                if not (nRawArc & self._addrBitMask):

Added gc_core/py/keyboard_chars_proximity.py version [d1b0d3e0b7].























































































































































































































































































































































































































































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# Keyboard chars proximity


def getKeyboardMap (sKeyboard):
    return _dKeyboardMap.get(sKeyboard.lower(), {})


def getKeyboardList ():
    return _dKeyboardMap.keys()


# bépo, colemak and dvorak users are assumed to do less typing errors.
_dKeyboardMap = {
    "azerty": {
        # fr
        # line 1
        "é": "az",
        "è": "yu",
        "ç": "àio",
        "à": "op",
        # line 2
        "a": "zéq",
        "z": "aesq",
        "e": "zrds",
        "r": "etfd",
        "t": "rygf",
        "y": "tuhg",
        "u": "yijh",
        "i": "uokj",
        "o": "iplk",
        "p": "oml",
        # line 3
        "q": "sawz",
        "s": "qdzwxe",
        "d": "sfexcr",
        "f": "dgrcvt",
        "g": "fhtvby",
        "h": "gjybnu",
        "j": "hkuni",
        "k": "jlio",
        "l": "kmop",
        "m": "lùp",
        "ù": "m",
        # line 4
        "w": "xqs",
        "x": "wcsd",
        "c": "xvdf",
        "v": "cbfg",
        "b": "vngh",
        "n": "bhj",
    },
    "bépo": {
        # fr
        # line 2
        "b": "éa",
        "é": "bpu",
        "p": "éoi",
        "o": "pèe",
        "è": "o",
        "v": "dt",
        "d": "vls",
        "l": "djr",
        "j": "lzn",
        "z": "jmw",
        # line 3
        "a": "ubà",
        "u": "aiéy",
        "i": "uepx",
        "e": "io",
        "c": "t",
        "t": "csvq",
        "s": "trdg",
        "r": "snlh",
        "n": "rmjf",
        "m": "nzç",
        # line 4
        "à": "yêa",
        "y": "àxu",
        "x": "ywi",
        "w": "z",
        "k": "c",
        "q": "gt",
        "g": "qhs",
        "h": "gfr",
        "f": "hçn",
        "ç": "fm",
    },
    "colemak": {
        # en, us, intl
        # line 2
        "q": "wa",
        "w": "qfr",
        "f": "wps",
        "p": "fgt",
        "g": "pjd",
        "j": "glh",
        "l": "jun",
        "u": "lye",
        "y": "ui",
        # line 3
        "a": "rqz",
        "r": "aswx",
        "s": "rtfc",
        "t": "sdpv",
        "d": "thgb",
        "h": "dnjk",
        "n": "helm",
        "e": "niu",
        "i": "eoy",
        "o": "i",
        # line 4
        "z": "xa",
        "x": "zcr",
        "c": "xvs",
        "v": "cbt",
        "b": "vkd",
        "k": "bmh",
        "m": "kn",
    },
    "dvorak": {
        # en, us, intl
        # line 2
        "p": "yu",
        "y": "pfi",
        "f": "ygd",
        "g": "fch",
        "c": "grt",
        "r": "cln",
        "l": "rs",
        # line 3
        "a": "o",
        "o": "aeq",
        "e": "ouj",
        "u": "eipk",
        "i": "udyx",
        "d": "ihfb",
        "h": "dtgm",
        "t": "hncw",
        "n": "tsrv",
        "s": "nlz",
        # line 4
        "q": "jo",
        "j": "qke",
        "k": "jxu",
        "x": "kbi",
        "b": "xmd",
        "m": "bwh",
        "w": "mvt",
        "v": "wzn",
        "z": "vs",
    },
    "qwerty": {
        # en, us, intl
        # line 2
        "q": "wa",
        "w": "qeas",
        "e": "wrds",
        "r": "etfd",
        "t": "rygf",
        "y": "tuhg",
        "u": "yijh",
        "i": "uokj",
        "o": "iplk",
        "p": "ol",
        # line 3
        "a": "sqzw",
        "s": "adwzxe",
        "d": "sfexcr",
        "f": "dgrcvt",
        "g": "fhtvby",
        "h": "gjybnu",
        "j": "hkunmi",
        "k": "jlimo",
        "l": "kop",
        # line 4
        "z": "xas",
        "x": "zcsd",
        "c": "xvdf",
        "v": "cbfg",
        "b": "vngh",
        "n": "bmhj",
        "m": "njk",
    },
    "qwertz": {
        # ge, au
        # line 2
        "q": "wa",
        "w": "qeas",
        "e": "wrds",
        "r": "etfd",
        "t": "rzgf",
        "z": "tuhg",
        "u": "zijh",
        "i": "uokj",
        "o": "iplk",
        "p": "oüöl",
        "ü": "päö",
        # line 3
        "a": "sqyw",
        "s": "adwyxe",
        "d": "sfexcr",
        "f": "dgrcvt",
        "g": "fhtvbz",
        "h": "gjzbnu",
        "j": "hkunmi",
        "k": "jlimo",
        "l": "köop",
        "ö": "läpü",
        "ä": "öü",
        # line 4
        "y": "xas",
        "x": "ycsd",
        "c": "xvdf",
        "v": "cbfg",
        "b": "vngh",
        "n": "bmhj",
        "m": "njk",
    }
}