1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | #!/usr/bin/env python
#
# Simple command-line search script.
#
# Copyright (C) 2003 James Aylett
# Copyright (C) 2004,2007,2009,2013 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("Usage: %s PATH_TO_DATABASE QUERY" % sys.argv[0], file=sys.stderr)
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_data().decode('utf-8')))
except Exception as e:
print("Exception: %s" % str(e), file=sys.stderr)
sys.exit(1)
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 | #!/usr/bin/env python
#
# Index each paragraph of a text file as a Xapian document.
#
# Copyright (C) 2003 James Aylett
# Copyright (C) 2004,2007,2013,2014 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
import string
if len(sys.argv) != 2:
print("Usage: %s PATH_TO_DATABASE" % sys.argv[0], file=sys.stderr)
sys.exit(1)
try:
# Open the database for update, creating a new database if necessary.
database = xapian.WritableDatabase(sys.argv[1], xapian.DB_CREATE_OR_OPEN)
indexer = xapian.TermGenerator()
stemmer = xapian.Stem("english")
indexer.set_stemmer(stemmer)
para = ''
try:
for line in sys.stdin:
line = line.strip()
if line == '':
if para != '':
# We've reached the end of a paragraph, so index it.
doc = xapian.Document()
doc.set_data(para)
indexer.set_document(doc)
indexer.index_text(para)
# Add the document to the database.
database.add_document(doc)
para = ''
else:
if para != '':
para += ' '
para += line
except StopIteration:
pass
except Exception as e:
print("Exception: %s" % str(e), file=sys.stderr)
sys.exit(1)
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 | #!/usr/bin/env python
#
# Simple example script demonstrating query expansion.
#
# Copyright (C) 2003 James Aylett
# Copyright (C) 2004,2006,2007,2012,2013,2014 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("Usage: %s PATH_TO_DATABASE QUERY [-- [DOCID...]]" % sys.argv[0], file=sys.stderr)
sys.exit(1)
try:
# Open the database for searching.
database = xapian.Database(sys.argv[1])
# Start an enquire session.
enquire = xapian.Enquire(database)
# Combine command line arguments up to "--" with spaces between
# them, so that simple queries don't have to be quoted at the shell
# level.
query_string = sys.argv[2]
index = 3
while index < len(sys.argv):
arg = sys.argv[index]
index += 1
if arg == '--':
# Passed marker, move to parsing relevant docids.
break
query_string += ' '
query_string += arg
# Create an RSet with the listed docids in.
reldocs = xapian.RSet()
for index in range(index, len(sys.argv)):
reldocs.add_document(int(sys.argv[index]))
# 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)
if not query.empty():
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, reldocs)
# 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_data()))
# Put the top 5 (at most) docs into the rset if rset is empty
if reldocs.empty():
rel_count = 0
for m in matches:
reldocs.add_document(m.docid)
rel_count += 1
if rel_count == 5:
break
# Get the suggested expand terms
eterms = enquire.get_eset(10, reldocs)
print("%i suggested additional terms" % eterms.size())
for k in eterms:
print("%s: %f" % (k.term, k.weight))
except Exception as e:
print("Exception: %s" % str(e), file=sys.stderr)
sys.exit(1)
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | #!/usr/bin/env python
#
# Simple command-line match decider example
#
# Copyright (C) 2003 James Aylett
# Copyright (C) 2004,2007,2009,2013 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
# This example runs a query like simplesearch does, but uses a MatchDecider
# (mymatchdecider) to discard any document for which value 0 is equal to
# the string passed as the second command line argument.
if len(sys.argv) < 4:
print("Usage: %s PATH_TO_DATABASE AVOID_VALUE QUERY" % sys.argv[0], file=sys.stderr)
sys.exit(1)
class mymatchdecider(xapian.MatchDecider):
def __init__(self, avoidvalue):
xapian.MatchDecider.__init__(self)
self.avoidvalue = avoidvalue
def __call__(self, doc):
return doc.get_value(0) != self.avoidvalue
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.
avoid_value = sys.argv[2]
query_string = str.join(' ', sys.argv[3:])
# 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)
mdecider = mymatchdecider(avoid_value)
matches = enquire.get_mset(0, 10, None, mdecider)
# 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_data()))
except Exception as e:
print("Exception: %s" % str(e), file=sys.stderr)
sys.exit(1)
|