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# Thesaurus builder
import os
import re
import json
def readFile (spf):
if os.path.isfile(spf):
with open(spf, "r", encoding="utf-8") as hSrc:
for sLine in hSrc:
yield sLine.strip()
else:
print("# Error. File not found or not loadable: " + spf)
class ThesaurusBuilder ():
def __init__ (self):
# synsets
self.dSynEntry = {} # {sWord: iSynset}
self.dSynset = {} # {iSynset: lSynset}
# thesaurus
self.dThesEntry = {} # {sWord: lWord}
self.dThesaurus = {} # {sWord: lWord}
def readSynsets (self, spf):
if not spf:
return
for i, sLine in enumerate(readFile(spf), 1):
sPOS, *lSynset = sLine.split("|")
lSynset = self._removeDuplicatesFrom(lSynset)
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sLine = sLine.strip()
if re.search(r"^[^|]+\|[1-9][0-9]*$", sLine):
# new entry
if nClass != nClassFound:
print("Ligne:", iEntryLine, ", nombre de liste incorrect")
iEntryLine = i
sEntry, sNum = sLine.split("|")
self.dThesEntry[sEntry] = []
self.dThesaurus[sEntry] = []
nClass = int(sNum)
nClassFound = 0
else:
# new list of synonyms
nClassFound += 1
sPOS, *lClass = sLine.split("|")
lClass = self._removeDuplicatesFrom(lClass)
self.dThesEntry[sEntry].append( (sPOS, lClass) )
self.dThesaurus[sEntry].append( (sPOS, lClass) )
def showThesaurusEntries (self):
for sWord, lClass in self.dThesEntry.items():
for sWord, lClass in self.dThesaurus.items():
for sPOS, lWord in lClass:
print(sWord, sPOS, "|".join(lWord))
def _removeDuplicatesFrom (self, lWord):
return [ sWord.strip() for sWord in dict.fromkeys(lWord) ] # remove duplicates: use <dict.fromkeys()> instead of <set()> to keep order
def merge (self):
for sWord, lSynset in self.dSynEntry.items():
for sPOS, iSynset in lSynset:
if sWord in self.dThesEntry:
self.dThesEntry[sWord].append( (sPOS, self.dSynset[iSynset]) )
if sWord in self.dThesaurus:
self.dThesaurus[sWord].append( (sPOS, self.dSynset[iSynset]) )
else:
self.dThesEntry[sWord] = [ (sPOS, self.dSynset[iSynset]) ]
self.dThesaurus[sWord] = [ (sPOS, self.dSynset[iSynset]) ]
def write (self, spDest):
nOffset = 0 # the offset for finding data is the number of bytes (-> encoding("utf-8"))
dOffset = {}
with open(spDest + "/thes_fr.dat", "w", encoding="utf-8", newline="\n") as hThes:
sHeader = "UTF-8\n"
hThes.write(sHeader)
nOffset = len(sHeader.encode("utf-8"))
for sWord, lClass in self.dThesEntry.items():
for sWord, lClass in self.dThesaurus.items():
dOffset[sWord] = nOffset
sWordLine = sWord+"|"+str(len(lClass))+"\n"
hThes.write(sWordLine)
nOffset += len(sWordLine.encode("utf-8"))
for sPOS, lWord in lClass:
sClassLine = sPOS+"|"+"|".join(lWord)+"\n"
hThes.write(sClassLine)
nOffset += len(sClassLine.encode("utf-8"))
with open(spDest + "/thes_fr.idx", "w", encoding="utf-8", newline="\n") as hIndex:
hIndex.write("UTF-8\n")
hIndex.write(str(len(self.dThesEntry))+"\n")
hIndex.write(str(len(self.dThesaurus))+"\n")
for sWord, nOffset in sorted(dOffset.items()):
hIndex.write(sWord+"|"+str(nOffset)+"\n")
def writeAsJSON (self, spDest):
with open(spDest + "/thes_fr.json", "w", encoding="utf-8", newline="\n") as hJsonThes:
sJSON = json.dumps(self.dThesaurus, ensure_ascii=False)
hJsonThes.write(sJSON)
def build (spfThesaurus="", spfSynsets="", spDest="_build"):
oThes = ThesaurusBuilder()
oThes.readSynsets(spfSynsets)
#oThes.showSynsetEntries()
oThes.readThesaurus(spfThesaurus)
#oThes.showThesaurusEntries()
oThes.merge()
oThes.write(spDest)
oThes.writeAsJSON(spDest)
if __name__ == '__main__':
build("thesaurus/thes_fr.dat", "thesaurus/synsets_fr.dat")
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