Overview
Comment: | [core] ibdawg: suggest > maximum number of switches > faster search |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | core | spellsugg |
Files: | files | file ages | folders |
SHA3-256: |
a85c70d24d9175162856dd384ef100f2 |
User & Date: | olr on 2017-11-08 08:16:08 |
Other Links: | branch diff | manifest | tags |
Context
2017-11-08
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08:26 | [core] ibdawg: suggest > avoid useless recursivity check-in: 7d3b4993ee user: olr tags: core, spellsugg | |
08:16 | [core] ibdawg: suggest > maximum number of switches > faster search check-in: a85c70d24d user: olr tags: core, spellsugg | |
2017-11-07
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22:04 | [core][bug] ibdawg: suggest2 > fix char priority check-in: 41d308e073 user: olr tags: core, spellsugg | |
Changes
Modified gc_core/py/ibdawg.py from [fdecb6280f] to [33982d882f].
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247 248 249 250 251 252 253 254 255 256 | l.extend(self.morph(sWord.capitalize())) return l @timethis def suggest (self, sWord, nMaxSugg=10): "returns a set of suggestions for <sWord>" sPfx, sWord, sSfx = cp.cut(sWord) nMaxDel = len(sWord) // 5 nMaxHardRepl = max((len(sWord) - 5) // 4, 1) oSuggResult = SuggResult(sWord) | > | | | | | | | | > | | | | | | | | | | 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 | l.extend(self.morph(sWord.capitalize())) return l @timethis def suggest (self, sWord, nMaxSugg=10): "returns a set of suggestions for <sWord>" sPfx, sWord, sSfx = cp.cut(sWord) nMaxSwitch = max(len(sWord) // 3, 1) nMaxDel = len(sWord) // 5 nMaxHardRepl = max((len(sWord) - 5) // 4, 1) oSuggResult = SuggResult(sWord) self._suggest(oSuggResult, sWord, nMaxSwitch=nMaxSwitch, nMaxDel=nMaxDel, nMaxHardRepl=nMaxHardRepl) if sWord.istitle(): self._suggest(oSuggResult, sWord.lower(), nMaxSwitch=nMaxSwitch, nMaxDel=nMaxDel, nMaxHardRepl=nMaxHardRepl) elif sWord.islower(): self._suggest(oSuggResult, sWord.title(), nMaxSwitch=nMaxSwitch, nMaxDel=nMaxDel, nMaxHardRepl=nMaxHardRepl) aSugg = oSuggResult.getSuggestions() if sSfx or sPfx: # we add what we removed return list(map(lambda sSug: sPfx + sSug + sSfx, aSugg)) return aSugg def _suggest (self, oSuggResult, sRemain, nMaxSwitch=0, nMaxDel=0, nMaxHardRepl=0, nDeep=0, iAddr=0, sNewWord="", sAction="", bAvoidLoop=False): # recursive function #logging.info((nDeep * " ") + sNewWord + ":" + sRemain + " · " + sAction) if not sRemain: if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask: oSuggResult.addSugg(sNewWord, nDeep) for sTail in self._getTails(iAddr): oSuggResult.addSugg(sNewWord+sTail, nDeep) return cCurrent = sRemain[0:1] for cChar, jAddr in self._getSimilarCharArcs(cCurrent, iAddr): self._suggest(oSuggResult, sRemain[1:], nMaxSwitch, nMaxDel, nMaxHardRepl, nDeep+1, jAddr, sNewWord+cChar, "*") if not bAvoidLoop: # avoid infinite loop if cCurrent == sRemain[1:2]: # same char, we remove 1 char without adding 1 to <sNewWord> self._suggest(oSuggResult, sRemain[1:], nMaxSwitch, nMaxDel, nMaxHardRepl, nDeep+1, iAddr, sNewWord, cCurrent+"/2") else: # switching chars if nMaxSwitch: self._suggest(oSuggResult, sRemain[1:2]+sRemain[0:1]+sRemain[2:], nMaxSwitch-1, nMaxDel, nMaxHardRepl, nDeep+1, iAddr, sNewWord, "><",True) # delete char if nMaxDel: self._suggest(oSuggResult, sRemain[1:], nMaxSwitch, nMaxDel-1, nMaxHardRepl, nDeep+1, iAddr, sNewWord, "-"+cCurrent, True) # Phonetic replacements for sRepl in cp.d1toX.get(cCurrent, ()): self._suggest(oSuggResult, sRepl + sRemain[1:], nMaxSwitch, nMaxDel, nMaxHardRepl, nDeep+1, iAddr, sNewWord, cCurrent+">"+sRepl, True) for sRepl in cp.d2toX.get(sRemain[0:2], ()): self._suggest(oSuggResult, sRepl + sRemain[2:], nMaxSwitch, nMaxDel, nMaxHardRepl, nDeep+1, iAddr, sNewWord, sRemain[0:2]+">"+sRepl, True) # Hard replacements if nDeep > 3 and nMaxHardRepl and len(sRemain) >= 2: for nVal, kAddr in self._getArcs1(iAddr): if nVal in self.dCharVal: cChar = self.dCharVal[nVal] if cChar not in cp.d1to1.get(cCurrent, ""): self._suggest(oSuggResult, sRemain[1:], nMaxSwitch, nMaxDel, nMaxHardRepl-1, nDeep+1, kAddr, sNewWord+cChar, "[["+cChar+"]]", True) # end of word if len(sRemain) == 2: for sRepl in cp.dFinal2.get(sRemain, ()): self._suggest(oSuggResult, sRepl, nMaxSwitch, nMaxDel, nMaxHardRepl, nDeep+1, iAddr, sNewWord, sRemain + " >> " + sRepl, True) elif len(sRemain) == 1: self._suggest(oSuggResult, "", nMaxSwitch, nMaxDel, nMaxHardRepl, nDeep+1, iAddr, sNewWord, sRemain + " [last char removed] ", True) # remove last char and go o for sRepl in cp.dFinal1.get(sRemain, ()): self._suggest(oSuggResult, sRepl, nMaxSwitch, nMaxDel, nMaxHardRepl, nDeep+1, iAddr, sNewWord, sRemain + " >> " + sRepl, True) return @timethis def suggest2 (self, sWord, nMaxSugg=10): "returns a set of suggestions for <sWord>" sPfx, sWord, sSfx = cp.cut(sWord) oSuggResult = SuggResult(sWord) |
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325 326 327 328 329 330 331 | # recursive function #logging.info((nDeep * " ") + sNewWord) if nDeep >= oSuggResult.nDistLimit: sCleanNewWord = cp.cleanWord(sNewWord) if st.distanceSift4(oSuggResult.sCleanWord[:len(sCleanNewWord)], sCleanNewWord) > oSuggResult.nDistLimit: return if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask: | < | 327 328 329 330 331 332 333 334 335 336 337 338 339 340 | # recursive function #logging.info((nDeep * " ") + sNewWord) if nDeep >= oSuggResult.nDistLimit: sCleanNewWord = cp.cleanWord(sNewWord) if st.distanceSift4(oSuggResult.sCleanWord[:len(sCleanNewWord)], sCleanNewWord) > oSuggResult.nDistLimit: return if int.from_bytes(self.byDic[iAddr:iAddr+self.nBytesArc], byteorder='big') & self._finalNodeMask: oSuggResult.addSugg(sNewWord, nDeep) for cChar, jAddr in self._getCharArcsWithPriority(iAddr, oSuggResult.sWord[nDeep:nDeep+1]): self._suggest2(oSuggResult, nDeep+1, jAddr, sNewWord+cChar) return def _getCharArcs (self, iAddr): "generator: yield all chars and addresses from node at address <iAddr>" |
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