def open_reader(self):
"""Open IndexReader."""
if self.reader is None:
if self.use_ram:
print "reading from ram directory ..."
self.reader = DirectoryReader.open(self.ram_dir)
else:
self.reader = DirectoryReader.open(self.dir)
def __init__ (self): self.mDocumentDirectory = "/home/hnguyen/Projects/CLIFinder/operations.sub" self.mIndexDirectory = "/home/hnguyen/Projects/CLIFinder/cli.index" self.mIndexReader = None if os.path.isdir(self.mIndexDirectory) and self.mIndexReader == None: directory = SimpleFSDirectory(File(self.mIndexDirectory)) self.mIndexReader = DirectoryReader.open(directory) ############################### IndexingEngine Settings ###################################### self.mSimilarity = DecreaseLengthNormSimilarity() self.mOpenMode = IndexWriterConfig.OpenMode.CREATE ############################################################################################## self.mIsDebug = False if self.mIsDebug: ############################### Setting up loggers ########################################### self.mIndexingLogPath = "/home/hnguyen/Projects/CLIFinder/logs/indexing.log" self.mSearchingLogPath = "/home/hnguyen/Projects/CLIFinder/logs/searching.log" self.mIndexingLogger = LoggingEngine(self.mIndexingLogPath, "IndexingLogger", Queue.Queue()) self.mSearchingLogger = LoggingEngine(self.mSearchingLogPath, "SearchingLogger", Queue.Queue()) self.mIndexingLogger.start() self.mSearchingLogger.start() atexit.register(self.clear)
def search():
lucene.initVM(vmargs=['-Djava.awt.headless=true'])
args = []
if request.method == 'POST':
if request.form['ies']:
args.append('+ies:'+request.form['ies'])
if request.form['area']:
args.append('+area:'+request.form['area'])
if request.form['professor']:
args.append('+professor:'+request.form['professor'])
if request.form['conceito']:
#args.append('m:'+request.form['conceito']+'d:'+request.form['conceito']+'f:'+request.form['conceito'])
args.append('m:'+request.form['conceito'])
args.append('d:'+request.form['conceito'])
args.append('f:'+request.form['conceito'])
table = []
if(len(args) > 0):
scoreDocs = mansearch.buscar('indexer/',args)
fsDir = SimpleFSDirectory(File(indexDir))
searcher = IndexSearcher(DirectoryReader.open(fsDir))
for scoreDoc in scoreDocs:
doc = searcher.doc(scoreDoc.doc)
table.append(dict((field.name(), field.stringValue()) for field in doc.getFields()))
return render_template('busca.html',table = table)
pass
def buscar(indexDir, args,options = None):
#lucene.initVM(vmargs=['-Djava.awt.headless=true'])
fsDir = SimpleFSDirectory(File(indexDir))
#print fsDir
#Criando buscador baseado no diretorio dos indices passados pelo usuario
searcher = IndexSearcher(DirectoryReader.open(fsDir))
#Analizador para filtro dos tokens
analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
#print analyzer
#Criando um QueryParser usando por padrao contents
#Variavel com as restricoes da busca
parser = QueryParser(Version.LUCENE_CURRENT, "keywords", analyzer)
#print parser
parser.setDefaultOperator(QueryParser.Operator.AND)
#print args
#Juntando parametros passados com o valor do mesmo
command = ' +'.join(args)
#print command
query = parser.parse(command)
print query
#Criando um JArray com resultado da consulta
return searcher.search(query, 200).scoreDocs
def search(self, input_query=None, max_answers=10): ''' Searches the given query in the index ''' if input_query is None: return None base_dir = '.' directory = SimpleFSDirectory(File(os.path.join(base_dir, self.index_dir))) searcher = IndexSearcher(DirectoryReader.open(directory)) analyzer = StandardAnalyzer(Version.LUCENE_CURRENT) # query = QueryParser(Version.LUCENE_CURRENT, "title", analyzer).parse(input_query) parser = MultiFieldQueryParser(Version.LUCENE_CURRENT, (self._posts_fields + self._answer_fields), analyzer) query = MultiFieldQueryParser.parse(parser, input_query) scoreDocs = searcher.search(query, max_answers).scoreDocs print "%s total matching documents." % len(scoreDocs) docs = [] for scoreDoc in scoreDocs: doc = searcher.doc(scoreDoc.doc) doc_dict = dict((field.name(), field.stringValue()) for field in doc.getFields()) docs.append(doc_dict) # print doc return docs
def search(self, field, text):
"""
search text within indexed data
input:
field fieldname of the value that will be indexed
text text to search
output:
hits return a list of hits
"""
results = []
idx_reader = DirectoryReader.open(self.directory)
idx_searcher = IndexSearcher(idx_reader)
# parse query
parser = AnalyzingQueryParser(Version.LUCENE_CURRENT, field, self.analyser)
query = parser.parse(text)
# search
hits = idx_searcher.search(query, 1000).scoreDocs.tolist()
for hit in hits:
doc = idx_searcher.doc(hit.doc)
score = hit.score
title = doc.get(field)
url = doc.get("url")
results.append((score, url, title))
return results
def search(self):
''' Searches the given query in the index '''
lucene.initVM(vmargs=['-Djava.awt.headless=true'])
# print 'lucene', lucene.VERSION
# base_dir = os.path.dirname(os.path.abspath('.'))
base_dir = '.'
directory = SimpleFSDirectory(File(os.path.join(base_dir, self.index_dir)))
searcher = IndexSearcher(DirectoryReader.open(directory))
analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
while True:
print
print "Hit enter with no input to quit."
command = raw_input("Query:")
if command == '':
return
print
print "Searching for:", command
query = QueryParser(Version.LUCENE_CURRENT, "title",
analyzer).parse(command)
scoreDocs = searcher.search(query, 50).scoreDocs
print "%s total matching documents." % len(scoreDocs)
for scoreDoc in scoreDocs:
doc = searcher.doc(scoreDoc.doc)
# print 'path:', doc.get("path"), 'name:', doc.get("name")
print doc
def __init__(self, db_path):
directory = SimpleFSDirectory(File(db_path))
reader = DirectoryReader.open(directory)
self.searcher = IndexSearcher(reader)
self.analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
logger.info("Loaded DB from %s with %d documents: ",
db_path, reader.numDocs())
def query(self, data):
if self.fil.exists():
searcher = IndexSearcher(DirectoryReader.open(self.d))
query = QueryParser(
Version.LUCENE_30,
"id",
self.analyzer).parse(
data['query'])
hits = searcher.search(query, 100000)
results = {}
results['totalHits'] = hits.totalHits
results['hits'] = {}
for hit in hits.scoreDocs:
record = {}
doc = searcher.doc(hit.doc)
fields = doc.getFields()
record['score'] = hit.score
for field in fields:
if field.name() != "id":
record[field.name()] = field.stringValue()
results['hits'][doc.get('id')] = record
searcher.getIndexReader().close()
return results
def __init__(self, index_path, method, logger=None, use_default_similarity=False):
self.index_path=index_path
directory = SimpleFSDirectory(File(self.index_path))
self.analyzer = StandardAnalyzer(LuceneVersion.LUCENE_CURRENT)
self.reader=DirectoryReader.open(directory)
self.searcher = IndexSearcher(self.reader)
# uncomment one of these lines to change the type of parser, query and weight used
if use_default_similarity:
self.query_parser=QueryParser
else:
self.query_parser=FieldAgnosticQueryParser
if use_default_similarity:
similarity=DefaultSimilarity()
self.useExplainQuery=False
else:
similarity=FieldAgnosticSimilarity()
self.useExplainQuery=True
# by default, FieldAgnosticSimilarity uses coord factor, can be disabled
## similarity.useCoord=False
self.searcher.setSimilarity(similarity)
self.method=method # never used?
self.logger=logger
def build_corpus(n=0):
sbcs = texeval_corpus.test_subcorpora
sbc = sbcs[n]
# Hack for parallelizing queries, uses one index per domain.
directory = FSDirectory.open(File(wiki_index+'-'+sbc))
searcher = IndexSearcher(DirectoryReader.open(directory))
analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
build_corpus_from_terms_with_wiki(sbc, searcher, analyzer)
def __init__(self,base_dir, index_dir,index_file,queryDict):
self.baseDir = base_dir
self.indexFile = os.path.join(index_dir,index_file)
lucene.initVM(vmargs=['-Djava.awt.headless=true']) # uncomment when run Retrieve separately
directory = SimpleFSDirectory(File(self.indexFile))
searcher = IndexSearcher(DirectoryReader.open(directory))
self.BM25(searcher,queryDict)
del searcher
def search_docs(self, value, field="general_info"):
MAX_RESULTS = 1000
searcher = IndexSearcher(DirectoryReader.open(self.store))
query = QueryParser(Version.LUCENE_CURRENT, field,
self.analyzer).parse(value)
topDocs = searcher.search(query, MAX_RESULTS)
return [searcher.doc(hit.doc) for hit in topDocs.scoreDocs]
def config():
base_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
directory = SimpleFSDirectory(File(os.path.join(base_dir, INDEX_DIR)))
searcher = IndexSearcher(DirectoryReader.open(directory))
bm25Sim = BM25Similarity(2.0,0.75) #BM25 with these default values: k1 = 1.2, b = 0.75.
searcher.setSimilarity(bm25Sim)
analyzer = SmartChineseAnalyzer(Version.LUCENE_CURRENT)
return searcher,analyzer
def perform_search(self, searchterm, results_per_page, page):
# if there is a field in the searchterm
"""if ":" in searchterm:
# processing a query
parser = QueryParser(Version.LUCENE_CURRENT, "content", self.analyzer)
parser.setDefaultOperator(QueryParser.Operator.AND)
query = parser.parse(searchterm)
else:
query = BooleanQuery()
query_title = TermQuery(Term("title", searchterm))
query_description = TermQuery(Term("description", searchterm))
query_content = TermQuery(Term("content", searchterm))
# BooleanClause.Occur.MUST for AND queries
query.add(query_title, BooleanClause.Occur.SHOULD)
query.add(query_description, BooleanClause.Occur.SHOULD)
query.add(query_content, BooleanClause.Occur.SHOULD)"""
# create QueryParser for each field to be searched
parser_title = QueryParser(Version.LUCENE_CURRENT, "title", self.analyzer)
parser_description = QueryParser(Version.LUCENE_CURRENT, "description", self.analyzer)
parser_content = QueryParser(Version.LUCENE_CURRENT, "content", self.analyzer)
# put fields together
query = BooleanQuery()
query.add(parser_title.parse(searchterm), BooleanClause.Occur.SHOULD)
query.add(parser_description.parse(searchterm), BooleanClause.Occur.SHOULD)
query.add(parser_content.parse(searchterm), BooleanClause.Occur.SHOULD)
# conducting search
searcher = IndexSearcher(DirectoryReader.open(self.store))
start = datetime.now()
hits = searcher.search(query, results_per_page + (results_per_page * page))
score_docs = hits.scoreDocs
count_results = hits.totalHits
duration = datetime.now() - start
# results to return
results = []
count = 0
for scoreDoc in score_docs:
# skip offset
if count < results_per_page * page:
count += 1
continue
count += 1
doc = searcher.doc(scoreDoc.doc)
table = dict((field.name(), field.stringValue()) for field in doc.getFields())
results.append(table)
return results, duration, count_results
def __init__(self, store_dir):
initVM()
directory = SimpleFSDirectory(File(store_dir))
self.searcher = IndexSearcher(DirectoryReader.open(directory))
print 'loaded index: %s' % store_dir
self.analyzer = {}
self.analyzer['StandardAnalyzer'] = StandardAnalyzer(Version.LUCENE_CURRENT)
self.analyzer['SimpleAnalyzer'] = SimpleAnalyzer(Version.LUCENE_CURRENT)
self.analyzer['ChineseAnalyzer'] = ChineseAnalyzer(Version.LUCENE_CURRENT)
def deleteRec(self, pid):
config = IndexWriterConfig(self.analyzer)
config.setOpenMode(IndexWriterConfig.OpenMode.APPEND)
writer = IndexWriter(self.indexDir, config)
writer.deleteDocuments(Term('uid', pid))
writer.commit()
writer.close()
self.searcher = IndexSearcher(DirectoryReader.open(self.indexDir))
return
def __init__(self):
vm_env = lucene.getVMEnv()
vm_env.attachCurrentThread()
indexDir = SimpleFSDirectory(File(app.config['INDEX_PATH']))
self.searcher = IndexSearcher(DirectoryReader.open(indexDir))
self.analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
self.parser = QueryParser(Version.LUCENE_CURRENT, "contents", self.analyzer)
def __init__(self, index_dir):
#lucene.initVM(vmargs=['-Djava.awt.headless=true', '-Xmx4g'])
self.index_dir = index_dir
self.directory = SimpleFSDirectory(File(self.index_dir))
self.analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
self.config = IndexWriterConfig(Version.LUCENE_CURRENT, self.analyzer)
self.config.setOpenMode(IndexWriterConfig.OpenMode.CREATE)
self.searcher = IndexSearcher(DirectoryReader.open(self.directory))
def init_lucene_search():
lucene.initVM(vmargs=['-Djava.awt.headless=true'])
print 'lucene', lucene.VERSION
print 'Index ', INDEX_DIR
base_dir = os.path.dirname(os.path.abspath(sys.argv[0])) # current dir
directory = SimpleFSDirectory(File(INDEX_DIR))
searcher = IndexSearcher(DirectoryReader.open(directory))
analyzer = SmartChineseAnalyzer(Version.LUCENE_CURRENT, SmartChineseAnalyzer.getDefaultStopSet())
return searcher, analyzer
def is_article_indexed(art_id, index='index'):
store = SimpleFSDirectory(File(index))
searcher = IndexSearcher(DirectoryReader.open(store))
analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
query = QueryParser(Version.LUCENE_CURRENT, 'art_id', analyzer).parse(str(art_id))
docs = searcher.search(query, 1).scoreDocs
return len(docs) > 0
def __init__(self, indexPath):
lucene.initVM(vmargs=['-Djava.awt.headless=true'])
print 'lucene', lucene.VERSION
#initialize the index
self.INDEX_DIR = indexPath #"Clue_Index"
self.results = None
self.searcher = IndexSearcher(DirectoryReader.open(
SimpleFSDirectory(File(self.INDEX_DIR))))
self.searcher.setSimilarity(BM25Similarity())
def query(self, txt, ant=10):
"""Searches for a person or family by id, name, place, or date"""
q = QueryParser("text", self.analyzer).parse(txt.replace('/', '\/').lower())
if not self.searcher:
self.searcher = IndexSearcher(DirectoryReader.open(self.indexDir))
scoreDocs = self.searcher.search(q, ant).scoreDocs
hits = []
for scoreDoc in scoreDocs:
doc = self.searcher.doc(scoreDoc.doc)
hits.append([doc.get("uid"), scoreDoc.score])
return hits
def __init__(self, **kwargs):
""" Initialize a new instance of the Searcher
:param count: The number of counts to return from a query
:param output: The output directory of the underlying index
"""
self.count = kwargs.get("count", 100)
self.output = kwargs.get("root", "index")
self.store = SimpleFSDirectory(File(self.output))
self.analyzer = StandardAnalyzer(Version.LUCENE_30)
self.searcher = IndexSearcher(DirectoryReader.open(self.store))
def search(term, n_docs=10, index='index'):
store = SimpleFSDirectory(File(index))
searcher = IndexSearcher(DirectoryReader.open(store))
analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
query = QueryParser(Version.LUCENE_CURRENT, 'art_body', analyzer).parse(term)
# str(query.getClass().toString()) == "class org.apache.lucene.search.TermQuery"
score_docs = searcher.search(query, n_docs).scoreDocs
return [(score_doc.score, unicode(searcher.doc(score_doc.doc).get('art_body'))) for score_doc in score_docs]
def __init__(self, settings, indexDirectory=None, taxoDirectory=None):
self._settings = settings
self._similarity = settings.similarity
self._numberOfConcurrentTasks = settings.numberOfConcurrentTasks
self._reader = DirectoryReader.open(indexDirectory)
self.taxoReader = DirectoryTaxonomyReader(taxoDirectory)
self._readerSettingsWrapper = ReaderSettingsWrapper()
self._readerSettingsWrapper.get = lambda: {"similarity": self.searcher.getSimilarity().toString(), "numberOfConcurrentTasks": self._numberOfConcurrentTasks}
self._readerSettingsWrapper.set = self._setReadSettings
self._searcher = None
self._executor = None
self._reopenSearcher = True
def setupDir(dbName):
global indexDir, searcher
(user,db) = dbName.split('_', 1)
#directory = "./searchDB/"+dbName
directory = "./files/"+user+'/'+db+'/LuceneIndex'
if not os.path.exists(directory):
os.mkdir(directory)
#indexDir = SimpleFSDirectory(File(directory))
indexDir = SimpleFSDirectory(Paths.get(directory))
try:
searcher = IndexSearcher(DirectoryReader.open(indexDir))
except Exception, e:
pass
def retrieve_wiki(text_query, index_directory_name):
lucene.initVM()
directory = FSDirectory.open(File(index_directory_name))
searcher = IndexSearcher(DirectoryReader.open(directory))
analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
txt =text_query
query = QueryParser(Version.LUCENE_CURRENT, "contents", analyzer).parse(txt)
scoreDocs = searcher.search(query, 1000).scoreDocs
for scoreDoc in scoreDocs:
doc = searcher.doc(scoreDoc.doc)
yield doc.get('contents')
def search(self, q, sex, ant=5, config = None):
"""Searches for a match"""
query = QueryParser("match", self.analyzer).parse(q.replace('/', '\/'))
#Hur lägga till sex?
if not self.searcher:
self.searcher = IndexSearcher(DirectoryReader.open(self.indexDir))
scoreDocs = self.searcher.search(query, ant).scoreDocs
hits = []
for scoreDoc in scoreDocs:
doc = self.searcher.doc(scoreDoc.doc)
if sex == doc.get("sex"):
hits.append([doc.get("uid"), scoreDoc.score])
return hits
def text_search(command, cpage, meth):
global vm_env, searcher, analyzer
vm_env.attachCurrentThread()
print 'lucene', lucene.VERSION
directory = SimpleFSDirectory(File(STORE_TEXT_DIR))
searcher = IndexSearcher(DirectoryReader.open(directory))
analyzer = WhitespaceAnalyzer(Version.LUCENE_CURRENT)
text, maxnum = runstext(command, cpage, meth)
del searcher
return text, maxnum
def __init__(self):
#self.segmentor.load('./cws.model')
INDEXDIR = './Myindex'
#lucene.initVM(vmargs='-Xcheck:jni,-verbose:jni,-verbose:gc')
lucene.initVM(vmargs=['-Djava.awt.headless=true'])
#vm_env = lucene.getVMEnv()
#vm_env.attachCurrentThread()
#lucene.initVM(vmargs='-')
#print 'lucene', lucene.VERSION
self.directory = SimpleFSDirectory(File(INDEXDIR))
self.searcher = IndexSearcher(DirectoryReader.open(self.directory))
self.analyzer = WhitespaceAnalyzer(Version.LUCENE_CURRENT)
self.reader = IndexReader.open(self.directory)
def __init__(self): if luceneImport: self.lucene = True else: self.lucene = False #Lucene connection lucene.initVM() indexDir = "texts/index" directory = MMapDirectory(File(indexDir)) directory = DirectoryReader.open(directory) self.analyzer = StandardAnalyzer(Version.LUCENE_30) self.searcher = IndexSearcher(directory)
def __init__(self, store_dir, analyzer, preprocess = lambda x: x):
'''
Input: `store_dir`: directory storing the Lucene index
`analyzer`: analyzer required to split the query
`preprocess`: user-defined preprocess function
'''
# Initialize `IndexSearcher`
self.dir = SimpleFSDirectory(File(store_dir).toPath())
self.searcher = IndexSearcher(DirectoryReader.open(self.dir))
self.preprocess = preprocess
# Initialize `QueryParser`
self.parser = QueryParser("description", analyzer)
def getHitCount(self, fieldName, searchString):
reader = DirectoryReader.open(self.dir) #readOnly = True
print '%s total docs in index' % reader.numDocs()
searcher = IndexSearcher(reader) #readOnly = True
t = Term(fieldName, searchString)
query = TermQuery(t)
hitCount = len(searcher.search(query, 50).scoreDocs)
reader.close()
print "%s total matching documents for %s\n---------------" \
% (hitCount, searchString)
return hitCount
def retrieveDocs(q):
STORE_DIR = "IndexFiles.index"
lucene.initVM()
analyzer = StandardAnalyzer()
base_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
dir = SimpleFSDirectory(File(STORE_DIR).toPath())
#directory = FSDirectory.getDirectory(File(STORE_DIR))
reader = DirectoryReader.open(dir)
#reader = IndexReader.open(SimpleFSDirectory(File("index/")))
searcher = IndexSearcher(DirectoryReader.open(dir))
query = QueryParser("contents", analyzer).parse(q)
#query = QueryParser(Version.LUCENE_CURRENT, "contents", analyzer).parse(q)
#query = QueryParser(Version.LUCENE_30, "text", analyzer).parse(q)
MAX = 1000
hits = searcher.search(query, MAX)
nonDiverse = []
docsToScores = {}
#create a list of html files with relevant websites
rQ = []
print "Found %d document(s) that matched query '%s':" % (hits.totalHits,
query)
for hit in hits.scoreDocs:
print hit.score, hit.doc, hit.toString()
doc = searcher.doc(hit.doc)
#print doc.get("contents").encode("utf-8")
#print(new_urls[str(hit.doc)])
result = str(hit.score) + " " + str(hit.doc) + " " + hit.toString()
if (len(nonDiverse) < 10):
nonDiverse.append(new_urls[str(hit.doc)])
#find the document that corresponds to the html website and append to a list for min distance
website = new_urls[str(hit.doc)]
#html_files numbers of the hit websites added to rQ
rQ.append(inv_map[website])
docsToScores[int(inv_map[website])] = hit.score
print(inv_map[website])
return docsToScores, rQ, nonDiverse
def search(music_tags, dir_path):
lucene.initVM()
query_str = "content:" + " ".join(music_tags)
index_dir = SimpleFSDirectory(Paths.get(dir_path))
lucene_analyzer = StandardAnalyzer()
lucene_searcher = IndexSearcher(DirectoryReader.open(index_dir))
my_query = QueryParser("content", lucene_analyzer).parse(query_str)
total_hits = lucene_searcher.search(my_query, 50)
for hit in total_hits.scoreDocs:
doc = lucene_searcher.doc(hit.doc)
print doc
def init_search(search_content, vm_env):
vm_env = lucene.getVMEnv()
vm_env.attachCurrentThread()
lucene.initVM()
STORE_DIR = "index"
print 'lucene', lucene.VERSION
#base_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
directory = SimpleFSDirectory(File(STORE_DIR))
searcher = IndexSearcher(DirectoryReader.open(directory))
analyzer = WhitespaceAnalyzer(Version.LUCENE_CURRENT)
result_s = run(searcher, analyzer, search_content)
del searcher
print(result_s)
return result_s
def runDrillDown(self):
# open readers
taxo = DirectoryTaxonomyReader(self.taxoDir)
indexReader = DirectoryReader.open(self.indexDir)
for drilldown in drilldownCategories:
print "search with drilldown: %s" % '/'.join(drilldown)
facetRes = SimpleSearcher.searchWithDrillDown(drilldown, indexReader,
taxo, self.facets_config)
# close readers
taxo.close()
indexReader.close()
# return result
return facetRes
def func_nr(command):
vm_env = lucene.getVMEnv()
vm_env.attachCurrentThread()
STORE_DIR = "index_tb_new"
directory = SimpleFSDirectory(File(STORE_DIR))
searcher = IndexSearcher(DirectoryReader.open(directory))
analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
query = QueryParser(Version.LUCENE_CURRENT, "name",
analyzer).parse(command)
scoreDocs = searcher.search(
query, 50, Sort([SortField("rate", SortField.Type.DOUBLE,
True)])).scoreDocs
results = process(scoreDocs, searcher)
return results
def similarityOfSynopsis(self):
directory = SimpleFSDirectory(File(settings.SYNOPSIS_INDEX))
ireader = DirectoryReader.open(directory)
searcher = IndexSearcher(ireader)
analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
queryParser = QueryParser(Version.LUCENE_CURRENT, FIELD_CONTENTS,
analyzer)
for root, dirnames, filenames in os.walk(settings.SYNOPSIS):
filenames = [int(item) for item in filenames]
filenames.sort()
filenames = [str(item) for item in filenames]
for filename in filenames:
path = os.path.join(root, filename)
major_movie = models.Movie.objects.get(pk=filename)
with open(path, 'r') as moviedoc:
content = moviedoc.read().replace('\n', ' ')
content = re.sub('[^A-Za-z0-9 ]+', '', content)
while True:
try:
query = queryParser.parse(
QueryParser.escape(content))
except Exception as e:
self.boolean_query.setMaxClauseCount(
self.boolean_query.maxClauseCount * 2)
print self.boolean_query.maxClauseCount
continue
break
topDocs = searcher.search(query, len(filenames))
scoreDocs = topDocs.scoreDocs
for scoreDoc in scoreDocs:
doc = searcher.doc(scoreDoc.doc)
movie_id = int(doc.get(FIELD_PATH))
if movie_id <= major_movie.id:
continue
minor_movie = models.Movie.objects.get(pk=movie_id)
try:
similarity = models.Similarities.objects.filter(
first_movie=major_movie,
second_movie=minor_movie).first()
if not similarity:
similarity = models.Similarities.objects.filter(
first_movie=minor_movie,
second_movie=major_movie).first()
similarity.synopsis = scoreDoc.score
similarity.save()
except Exception as e:
print major_movie.id, minor_movie.id
raise e
print u"{0} completed.".format(major_movie.id)
def define_search_params(STORE_DIR, FIELD_CONTENTS, TERM):
store = SimpleFSDirectory(Paths.get(STORE_DIR))
reader = DirectoryReader.open(store)
searcher = IndexSearcher(reader)
# Get the analyzer
analyzer = WhitespaceAnalyzer()
# Constructs a query parser. We specify what field to search into.
queryParser = QueryParser(FIELD_CONTENTS, analyzer)
# Create the query
query = queryParser.parse(TERM)
return searcher, reader, query
def search(command):
STORE_DIR = "index"
# base_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
directory = MMapDirectory(Paths.get(STORE_DIR))
searcher = IndexSearcher(DirectoryReader.open(directory))
analyzer = SmartChineseAnalyzer()
ans = run(searcher, analyzer, command)
del searcher
return ans
# vm_env = lucene.initVM(vmargs=['-Djava.awt.headless=true'])
# for y in search('二三四五'):
# print(y)
def main():
store_dir = "lucene_index"
if not os.path.isdir(store_dir):
raise RuntimeError("Cannot find Lucene index at: {}".format(store_dir))
store = SimpleFSDirectory(Paths.get(store_dir))
searcher = IndexSearcher(DirectoryReader.open(store))
analyzer = EnglishAnalyzer()
# query_string = "House is a simple fact about science reaction"
# query_string = get_random_question()
# search(query_string, analyzer, searcher)
# by_random_question(analyzer, searcher)
annotate_all_questions(analyzer, searcher)
del searcher
def func_perfumer(command):
vm_env = lucene.getVMEnv()
vm_env.attachCurrentThread()
STORE_DIR = "index_tb_new"
directory = SimpleFSDirectory(File(STORE_DIR))
searcher = IndexSearcher(DirectoryReader.open(directory))
analyzer = StandardAnalyzer(Version.LUCENE_CURRENT)
query = QueryParser(Version.LUCENE_CURRENT, "perfumer",
analyzer).parse(command)
scoreDocs = searcher.search(query, 233).scoreDocs
results = process(scoreDocs, searcher)
return results
def populate_data(path, args):
name = path.split('/')[-1]
print(f"Processing {name}")
all_senses = {}
all_senses[args.lang1] = {}
all_senses[args.lang2] = {}
if args.pivot_lang is not None:
all_senses[args.pivot_lang] = {}
all_translation_mappings = []
if args.pivot_lang is not None:
all_translation_pivot1_mappings = []
all_translation_pivot2_mappings = []
store = SimpleFSDirectory(Paths.get(path))
dr = DirectoryReader.open(store)
searcher = IndexSearcher(dr)
analyzer = StandardAnalyzer()
query = QueryParser("title", analyzer).parse("*:*")
topDocs = searcher.search(query, 1000000000)
for scoreDoc in topDocs.scoreDocs:
doc = scoreDoc.doc
language_lemmas = searcher.doc(doc).getValues("LANGUAGE_LEMMA")
sense_ids = searcher.doc(doc).getValues("ID_SENSE")
for language_lemma, sense_id in zip(language_lemmas, sense_ids):
lang = language_lemma[:2]
lemma = language_lemma[3:]
if language_lemma[:2] in LANGUAGES_OF_INTEREST:
all_senses[lang] = {sense_id: lemma}
if args.pivot_lang is not None and language_lemma[:2] == args.pivot_lang:
all_senses[args.pivot_lang] = {sense_id: lemma}
translation_mappings = searcher.doc(doc).getValues("TRANSLATION_MAPPING")
create_translation_mapping(translation_mappings, all_senses, all_translation_mappings, LANGUAGES_OF_INTEREST)
if args.pivot_lang is not None:
create_translation_mapping(translation_mappings, all_senses, all_translation_pivot1_mappings, [args.lang1, args.pivot_lang])
create_translation_mapping(translation_mappings, all_senses, all_translation_pivot2_mappings, [args.lang2, args.pivot_lang])
output = open(f'{args.internal_data_path}/{name}.pkl', 'wb')
pickle.dump(all_translation_mappings, output)
output.close()
if args.pivot_lang is not None:
output = open(f'{args.internal_data_path}/{name}_{args.lang1}-{args.pivot_lang}.pkl', 'wb')
pickle.dump(all_translation_pivot1_mappings, output)
output.close()
output = open(f'{args.internal_data_path}/{name}_{args.lang2}-{args.pivot_lang}.pkl', 'wb')
pickle.dump(all_translation_pivot2_mappings, output)
output.close()
def __init__(self):
lucene.initVM(vmargs=['-Djava.awt.headless=true'])
print 'lucene', lucene.VERSION
self.base_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
self.directory = SimpleFSDirectory(File(os.path.join(self.base_dir, INDEX_DIR)))
self.reader = DirectoryReader.open(self.directory)
self.searcher = IndexSearcher(self.reader)
self.numDocs = self.reader.maxDoc()
self.mlt = MoreLikeThis(self.reader)
self.mlt.setMinTermFreq(1)
self.mlt.setMinDocFreq(1)
'''
def GET(self):
aud = web.input()
f = login_aud()
audpath = str(aud['uploadfile'])
STORE_DIR = "index2"
vm_env = lucene.getVMEnv()
vm_env.attachCurrentThread()
directory = SimpleFSDirectory(File(STORE_DIR))
searcher = IndexSearcher(DirectoryReader.open(directory))
analyzer = WhitespaceAnalyzer(Version.LUCENE_CURRENT)
geshou, geming, zhuanji, liupai, shijian, jianjie, geci, imgurl = run_aud(
searcher, analyzer, audpath)
del searcher
return render.result_aud(f, geshou, geming, zhuanji, imgurl, liupai,
shijian, jianjie, geci)
def main():
lucene.initVM(vmargs=['-Djava.awt.headless=true'])
queries = makeQueryList(args["queryFile"])
print 'lucene', lucene.VERSION
print "\n"
directory = SimpleFSDirectory(Paths.get(os.getcwd(), INDEX_DIR))
print directory.getDirectory()
searcher = IndexSearcher(DirectoryReader.open(directory))
searcher.setSimilarity(ClassicSimilarity())
analyzer = StandardAnalyzer()
run(searcher, analyzer, queries)
del searcher
def __init__(self, settings, indexDirectory=None, taxoDirectory=None):
self._settings = settings
self._similarity = settings.similarity
self._numberOfConcurrentTasks = settings.numberOfConcurrentTasks
self._reader = DirectoryReader.open(indexDirectory)
self.taxoReader = DirectoryTaxonomyReader(taxoDirectory)
self._readerSettingsWrapper = ReaderSettingsWrapper()
self._readerSettingsWrapper.get = lambda: {
"similarity": self.searcher.getSimilarity().toString(),
"numberOfConcurrentTasks": self._numberOfConcurrentTasks
}
self._readerSettingsWrapper.set = self._setReadSettings
self._searcher = None
self._executor = None
self._reopenSearcher = True
def search(self, query):
lucene.initVM()
luceneDirectory = "/index/"
path = str(os.path.abspath(os.getcwd()) + luceneDirectory)
directory = FSDirectory.open(Paths.get(path))
reader = DirectoryReader.open(directory)
searcher = IndexSearcher(reader)
analyzer = StandardAnalyzer()
#args = len(sys.argv) - 1
#if args < 1:
# print ("\n No query was submitted! \n")
#else:
#query_string = ""
#position = 1
#while(args >= position):
#query_string = query_string + str(sys.argv[position]) + " "
#position = position + 1
print("Searching for '" + query + "'")
fields_to_search = ["text", "page title", "date"]
filter_date = 'date:"May 25"'
filtered_query = filter_date + "AND " + query
parser = MultiFieldQueryParser(fields_to_search, analyzer)
updated_query = MultiFieldQueryParser.parse(parser, filtered_query)
scored_documents = searcher.search(updated_query,
10).scoreDocs # array of docs
print("Found " + str((len(scored_documents))) +
" matches in the collection.")
results = []
for doc in scored_documents:
scoredTweet = dict()
scoredTweet['score'] = doc.score
result = searcher.doc(doc.doc)
scoredTweet['username'] = result.get("username")
scoredTweet['tweet_body'] = result.get("text")
scoredTweet['date'] = result.get("date")
results.append(scoredTweet)
print(scoredTweet)
return results
def define_search_params(STORE_DIR, FIELD_CONTENTS):
#indexPath = File(STORE_DIR).toPath()
#indexDir = FSDirectory.open(indexPath)
store = SimpleFSDirectory(Paths.get(STORE_DIR))
reader = DirectoryReader.open(store)
searcher = IndexSearcher(reader)
# Get the analyzer
# analyzer = WhitespaceAnalyzer()
# Constructs a query parser. We specify what field to search into.
# queryParser = QueryParser(FIELD_CONTENTS, analyzer)
return searcher, reader
def __init__(self, store_dir, analyzer, preprocess=lambda x: x):
'''
Input: `store_dir`: directory storing the Lucene index
`analyzer`: analyzer required to split the query
`preprocess`: user-defined preprocess function
'''
# Initialize `IndexSearcher`
self.dir = SimpleFSDirectory(File(store_dir).toPath())
self.searcher = IndexSearcher(DirectoryReader.open(self.dir))
self.preprocess = preprocess
# Store Analyzer
self.analyzer = analyzer
# Initialize `Formatter`
self.formatter = SimpleHTMLFormatter('<em>', '</em>')
def __init__(self, lang):
lucene.initVM()
if lang == 'zh':
indexDir = SimpleFSDirectory(Paths.get(str(config.IDX_SSQA)))
analyzer = SmartChineseAnalyzer()
else:
raise ValueError(
'lang should be "zh" or "en", {} is invalid!'.format(lang))
self.reader = DirectoryReader.open(indexDir)
self.searcher = IndexSearcher(self.reader)
self.searcher.setSimilarity(mySimilarity())
self.analyzer = analyzer
logger.debug('search similarity func: {}'.format(
self.searcher.getSimilarity()))
def search_trip(command):
'''command must be encoded in unicode'''
STORE_DIR = "index_trip"
vm_env.attachCurrentThread()
directory = SimpleFSDirectory(File(STORE_DIR))
folders = {
'parsed_ctrip':
['source', 'location', 'introduction', 'score', 'img_list'],
'parsed_qunar':
['location', 'rank', 'score', 'time', 'introduction', 'img_list'],
'eic_mfw': ['location', 'introduction', 'img_list']
}
readers = constructReaders(folders)
searcher = IndexSearcher(DirectoryReader.open(directory))
analyzer = WhitespaceAnalyzer(Version.LUCENE_CURRENT)
command_dict = parseCommand(command)
querys = BooleanQuery()
for k, v in command_dict.iteritems():
query = QueryParser(Version.LUCENE_CURRENT, k, analyzer).parse(v)
querys.add(query, BooleanClause.Occur.MUST)
scoreDocs = searcher.search(querys, 50).scoreDocs
print 'total: %s' % (len(scoreDocs))
maxf = []
maxrank = -1000.0
for scoreDoc in scoreDocs:
doc = searcher.doc(scoreDoc.doc)
filename = doc.get('filename')
rank = ranker(command_dict, getInfo(folders, readers, filename))
if rank > maxrank:
maxf = [filename]
maxrank = rank
elif rank == maxrank:
maxf.append(filename)
del searcher
if len(maxf) == 0:
print "error in searchtrip.py: no result while searching", command_dict.get(
'location', '')
return "Interior Error"
elif len(maxf) != 1:
print "warning in searchtrip.py: multiple results when searching", command_dict.get(
'location', '')
return getInfo(folders, readers, maxf[0])
def main(args):
global verbose
verbose = args.verbose
if verbose:
logger.info(f'Read {args.dir_index}')
directory = SimpleFSDirectory.open(Paths.get(args.dir_index))
searcher = IndexSearcher(DirectoryReader.open(directory))
reader = searcher.getIndexReader()
if verbose:
logger.info(f'Write to {args.path_output}')
with open(args.path_output, 'w') as f:
for idx in trange(reader.maxDoc()):
doc = reader.document(idx)
babelnet_id = doc.get('ID')
synset_id = doc.get('SYNSET_ID')
pos = doc.get('POS')
synset_type = doc.get('TYPE')
main_sense = doc.get('MAIN_SENSE')
categories = list(doc.getValues('CATEGORY'))
translation_mappings = list(doc.getValues('TRANSLATION_MAPPING'))
images = list(doc.getValues('IMAGE'))
lemmas = doc.getValues('LEMMA')
forms = []
for i in range(len(lemmas)):
forms.append({
'lemma': lemmas[i],
'source': doc.getValues('LEMMA_SOURCE')[i],
'lang': doc.getValues('LEMMA_LANGUAGE')[i],
'weight': doc.getValues('LEMMA_WEIGHT')[i],
'sense_key': doc.getValues('LEMMA_SENSEKEY')[i],
})
entry = {
'id': babelnet_id,
'synset': synset_id,
'pos': pos,
'type': synset_type,
'main_sense': main_sense,
'categories': categories,
'translation_mappings': translation_mappings,
'images': images,
'forms': forms
}
f.write(json.dumps(entry, ensure_ascii=False) + '\n')
return 0
def __init__(self,
LUCENE_INDEX_DIR,
similarity='BM25',
lucene_vm_flag=False):
if lucene_vm_flag == False:
lucene.initVM(vmargs=['-Djava.awt.headless=true'])
self.lucene_vm_init = True
self.index_dir = LUCENE_INDEX_DIR
self.index_mm = MMapDirectory(Paths.get(LUCENE_INDEX_DIR))
self.analyzer = StandardAnalyzer()
self.config = IndexWriterConfig(self.analyzer)
self.reader = DirectoryReader.open(self.index_mm)
self.searcher = IndexSearcher(self.reader)
self.dict_term_freq = {}
self.dict_doc_field_title = {}
if similarity == 'BM25':
(self.searcher).setSimilarity(BM25Similarity())
def main(storeDir):
reader = DirectoryReader.open(storeDir)
numDocs = reader.numDocs()
print("n_docs:", numDocs)
for i in range(numDocs):
tvec = reader.getTermVector(i, 'body')
if tvec is not None:
termsEnum = tvec.iterator()
vec = {}
for term in BytesRefIterator.cast_(termsEnum):
dpEnum = termsEnum.postings(None)
dpEnum.nextDoc()
vec[term.utf8ToString()] = dpEnum.freq()
print(vec)
reader.close()
def runSimple(self):
# open readers
taxo = DirectoryTaxonomyReader(self.taxoDir)
indexReader = DirectoryReader.open(self.indexDir)
for term in searchValues:
print "\nsearch by term '%s' ..." % term
facetRes = SimpleSearcher.searchWithTerm(term, indexReader, taxo,
self.facets_config)
print "\nsearch all documents ..."
facetRes = SimpleSearcher.searchWithFacets(indexReader, taxo,
self.facets_config)
# close readers
taxo.close()
indexReader.close()
# return result
return facetRes
def GetDocField(self, docIdx, field=CONTENT):
"""
Get the document's field
:Parameters:
- `docIdx`: Document's index ID (Int).
- `field`: Field to retrieve (Str).
:Returns:
- Document's field. (Str)
"""
reader = DirectoryReader.open(self.__indexDir)
doc = reader.document(docIdx)
content = doc.get(field)
reader.close()
return content
def __init__(self, path):
print('Searcher initialized...')
self.path = path
self.analyzer = SmartChineseAnalyzer()
# self.analyzer = WhitespaceAnalyzer(Version.LATEST)
self.reader = DirectoryReader.open(
SimpleFSDirectory(Paths.get(self.path)))
self.searcher = IndexSearcher(self.reader)
self.thu = thulac.thulac(deli='/')
file = Path('w2v.model')
if file.is_file():
print('Model was already trained...loading model')
self.w2v_model = Word2Vec.load('w2v.model')
else:
self.model_train()
print('Model trained...')