# Convert Packages.gz files into Sleepycat db files for efficient usage of
# data
#
-# $Id$
-#
# Copyright (C) 2006 Jeroen van Wolffelaar <jeroen@wolffelaar.nl>
+# Copyright (C) 2006-2007 Frank Lichtenheld <frank@lichtenheld.de>
+#
# 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
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
use strict;
use warnings;
use DB_File;
use Storable;
use File::Path;
+use Digest::MD5;
use Deb::Versions;
use Lingua::Stem v0.82;
use Search::Xapian;
}
# Skip double package
next if exists($packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"});
- # Skip arch:all for amd64&kfreebsd, too often broken
- next if ($archive eq 'amd64' or $archive eq 'kfreebsd')
+ # Skip arch:all for amd64 & gnuab, any non-redundancy is
+ # usually a bug anyway
+ next if ($archive eq 'amd64' or $archive eq 'gnuab')
and $data{architecture} eq 'all';
if ($data{'provides'}) {
$src =~ s/\s+.*//o; # strip version info
}
$data{'source'} = $src;
+
+ # expand tags like devel::{lang:c,lang:c++}
+ if ($data{'tag'} && $data{'tag'} =~ /\{/) {
+ my @complete_tags = split(/, /, $data{'tag'});
+ my @tags;
+ foreach (@complete_tags) {
+ my ($facet, $tag) = split( /::/, $_, 2);
+ if ($tag =~ s/^\{(.+)\}$/$1/) {
+ foreach (split( /,/, $tag )) {
+ push @tags, "${facet}::$_";
+ }
+ } else {
+ push @tags, "${facet}::$tag";
+ }
+ }
+ my $old = $data{tag};
+ $data{'tag'} = join ", ", @tags;
+ }
+
# we add some additional data here
my $descr = "$data{'description'}\000$data{'package'}\000"
.($data{'tag'}||'');
$descriptions[$did] = $descr;
$descriptions{$descr} = $did;
}
+ $data{'description-md5'} = Digest::MD5::md5_hex($data{'description'}, "\n");
$data{'description'} = $did;
$packages_descriptions{"$data{'package'} $data{'version'} $data{'architecture'}"} = $did;
$descriptions_packages{$did} .=
my $subsection = $data{section} || '-';
if ($data{section} && ($data{section} =~ m=/=o)) {
($section, $subsection) = split m=/=o, $data{section}, 2;
- ($subsection, $section) = split m=/=o, $data{section}, 2
- if $section eq 'non-US';
}
$data{'section'} = $section;
$data{'subsection'} = $subsection;
tie %descriptions_db, "DB_File", "$DBDIR/descriptions.db.new",
O_RDWR|O_CREAT, 0666, $DB_BTREE
or die "Error creating DB: $!";
-open DESCR, ">", "$DBDIR/descriptions.txt" or die "Error creating descriptions textfile";
print "Index $#descriptions descriptions\n";
for (my $i=1; $i<= $#descriptions; $i++) {
- my $plain_description = $descriptions[$i];
# strip away additional data
- my ($only_desc) = split /\000/o, $plain_description, 2;
+ my ($only_desc, $pkg, $tags) = split /\000/o, $descriptions[$i], 3;
+ my $orig_desc = $only_desc;
# WARNING: This needs to correspond with what happens in
-# Packages/Search.pm:do_fulltext_search
- $plain_description =~ tr [A-Z] [a-z];
- # ensure one space on both ends
- $plain_description = " $plain_description ";
- $plain_description =~ s/[(),.-]+//og;
- $plain_description =~ s#[^a-z0-9_/+]+# #og;
- print DESCR "$plain_description\n";
+# Packages/Search.pm:do_xapian_search
+ $only_desc =~ s#[^\w/+]+# #og;
#XAPIAN
eval {
- my @words = split /\s+/, $plain_description;
- my $stem_words = $stemmer->stem( \@words );
+ my @words = split /\s+/, $only_desc;
+ unshift @words, $pkg;
+
my $doc = Search::Xapian::Document->new()
or die "can't create doc object for $i: $!\n";
if ($doc->set_data($i)){
warn "can't set_data in doc object for $i: $!\n";
}
- for my $j (0 .. (@$stem_words-1)) {
- next if $stem_words->[$j] =~ /^\s*$/o;
- if ($doc->add_posting($stem_words->[$j], $j)) {
- warn "can't add word $stem_words->[$j] $j: $!\n";
+
+ # package with prefix
+ if ($doc->add_term("P$pkg")) {
+ warn "can't add term P$pkg: $!\n";
+ }
+ # description, unstemmed with positional info
+ for my $j (0 .. (@words-1)) {
+ next if $words[$j] =~ /^\s*$/o;
+ if ($doc->add_posting($words[$j], $j)) {
+ warn "can't add posting $words[$j] at $j: $!\n";
+ }
+ }
+ # description, stemmed
+ my $stem_words = $stemmer->stem( \@words );
+ foreach my $w (@$stem_words) {
+ next if $w =~ /^\s*$/o;
+ if ($doc->add_term($w)) {
+ warn "can't add term $w: $!\n";
}
}
+ if ($tags) {
+ foreach my $t (split /, /, $tags) {
+ if ($doc->add_term($t)) {
+ warn "can't add term $t: $!\n";
+ }
+ }
+ }
+
$xapian_db->add_document($doc)
or warn "failed to add document: $i\n";
};
die $@ if $@;
- $descriptions_db{$i} = $only_desc;
+ $descriptions_db{$i} = $orig_desc;
}
-close DESCR;
untie %descriptions_db;
$xapian_db->flush;
undef $xapian_db;
"$DBDIR/packages_descriptions.db");
rename("$DBDIR/descriptions_packages.db.new",
"$DBDIR/descriptions_packages.db");
-rename("$DBDIR/descriptions.txt.new", "$DBDIR/descriptions.txt");
rename("$DBDIR/descriptions.db.new", "$DBDIR/descriptions.db");
rename("$DBDIR/package_postfixes.db.new", "$DBDIR/package_postfixes.db");
projects / deb / packages.git / blobdiff