python xapian 简单应用

#!/usr/bin/env python # # Simple command-line search script. # # Copyright (C) 2003 James Aylett # Copyright (C) 2004,2007,2009 Olly Betts # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License as # published by the Free Software Foundation; either version 2 of the # License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 # USA import sys import xapian # We require at least two command line arguments. if len(sys.argv) < 3: print >> sys.stderr, "Usage: %s PATH_TO_DATABASE QUERY" % sys.argv[0] sys.exit(1) try: # Open the database for searching. database = xapian.Database(sys.argv[1]) # Start an enquire session. enquire = xapian.Enquire(database) # Combine the rest of the command line arguments with spaces between # them, so that simple queries don't have to be quoted at the shell # level. query_string = str.join(' ', sys.argv[2:]) # Parse the query string to produce a Xapian::Query object. qp = xapian.QueryParser() stemmer = xapian.Stem("english") qp.set_stemmer(stemmer) qp.set_database(database) qp.set_stemming_strategy(xapian.QueryParser.STEM_SOME) query = qp.parse_query(query_string) print "Parsed query is: %s" % str(query) # Find the top 10 results for the query. enquire.set_query(query) matches = enquire.get_mset(0, 10) # Display the results. print "%i results found." % matches.get_matches_estimated() print "Results 1-%i:" % matches.size() for m in matches: print "%i: %i%% docid=%i [%s]" % (m.rank + 1, m.percent, m.docid, m.document.get_value(0)) except Exception, e: print >> sys.stderr, "Exception: %s" % str(e) sys.exit(1)