SpanNotQuery ( q3, q4 ) assert str ( q5 ) = 'spanNot(spanPosRange(text:hello, 0, 10), spanNear(, 0, true), 0, 0)' # lupyne # q = Query. SpanPositionRangeQuery ( q1, 0, 10 ) q4 = spans. MUST ) assert str ( q3 ) = '+text:lucene +text:"search engine"' q1 = spans. """ import lucene from import index, search from import spans from lupyne.engine import Query lucene. Operator overloading is used for combining boolean clauses. search ( 'text', field = 'fieldname' ) # parsing handled if necessary assert len ( hits ) = 1 for hit in hits : # hits support mapping interface assert hit = text # closing is handled automatically commit () # commit changes and refresh searcher # Now search the index: hits = indexer. add ( fieldname = text ) # add document indexer. set ( 'fieldname', stored = True ) # settings for all documents of indexer indexed and tokenized is the default indexer. Indexer () # Indexer combines Writer and Searcher RAMDirectory and StandardAnalyzer are defaults indexer. close () # lupyne # Store the index in memory: indexer = engine. scoreDocs assert len ( hits ) = 1 # Iterate through the results: for hit in hits : hitDoc = isearcher. LUCENE_CURRENT, "fieldname", analyzer ) query = parser.
IndexSearcher ( ireader ) # Parse a simple query that searches for "text": parser = queryparser. close () # Now search the index: ireader = index. Document () text = "This is the text to be indexed." doc. IndexWriter ( directory, config ) doc = document. LUCENE_CURRENT, analyzer ) iwriter = index. RAMDirectory () # To store an index on disk, use this instead: # Directory directory = FSDirectory.open(File("/tmp/testindex")) config = index. LUCENE_CURRENT ) # Store the index in memory: directory = store. initVM () # lucene # analyzer = analysis. """ Basic indexing and searching example adapted from """ import lucene from import analysis, document, index, queryparser, search, store, util from lupyne import engine lucene.
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