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3313 varun.gupt 1 
'''
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Created on 13-Sep-2011
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@author: Varun Gupta
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'''
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import lucene
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from lucene import SimpleFSDirectory, File, Term, IndexReader
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class IndexManager:
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    def __init__(self):
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        self.indexDir = "/usr/lucene-index-dir"
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        lucene.initVM()
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    def deleteDocsOfASource(self, source):
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        term = Term('source', source)
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        dir = SimpleFSDirectory(File(self.indexDir))
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        reader = IndexReader.open(dir, False)
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        count_deleted_docs = reader.deleteDocuments(term)
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        reader.close()
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        return count_deleted_docs
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if __name__ == '__main__':
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    manager = IndexManager()
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    print manager.deleteDocsOfASource('letsbuy')