use DB_File;
use Storable;
+use File::Path;
use Deb::Versions;
+use Lingua::Stem v0.82;
+use Search::Xapian;
use Packages::Config qw( $TOPDIR $DBDIR @ARCHIVES @SUITES );
&Packages::Config::init( './' );
my %packages_small = ();
$/ = "";
+-d $DBDIR || mkpath( $DBDIR );
+-d "$DBDIR/xapian.new" && rmtree("$DBDIR/xapian.new");
+-d "$DBDIR/xapian.old" && rmtree("$DBDIR/xapian.old");
+mkpath( "$DBDIR/xapian.new" );
+
for my $suite (@SUITES) {
my %package_names_suite = ();
my %packages_all_db;
for my $archive (@ARCHIVES) {
print "Reading $archive/$suite...\n";
+ if (!-d "$TOPDIR/archive/$archive/$suite/") {
+ print "\tseems not to exist, skipping...\n";
+ next;
+ }
open PKG, "zcat $TOPDIR/archive/$archive/$suite/$what/{,debian-installer/}binary-*/Packages.gz|";
while (<PKG>) {
next if /^\s*$/;
}
# Skip double package
next if exists($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')
+ and $data{architecture} eq 'all';
if ($data{'provides'}) {
foreach (split /\s*,\s*/, $data{'provides'}) {
$virtual_packages{$_}{$suite}{$data{'package'}}++;
+ $packages_small{$_} ||= {};
}
}
$package_names{$data{'package'}} = 1;
my $src_version = '';
if ($data{'source'}) {
$src = $data{'source'};
- $src =~ s/\s+.*//; # strip version info
+ $src =~ s/\s+.*//o; # strip version info
}
$data{'source'} = $src;
- my $descr = $data{'description'};
+ # we add some additional data here
+ my $descr = "$data{'description'}\000$data{'package'}\000"
+ .($data{'tag'}||'');
+ my $sdescr = $data{'description'};
+ $sdescr =~ s/\n.*//os;
my $did = undef;
if (exists($descriptions{$descr})) {
$did = $descriptions{$descr};
$descriptions_packages{$did} .=
"$data{'package'} $data{'version'} $data{'architecture'}\000";
- my $sdescr = $descr;
- $sdescr =~ s/\n.*//s;
my $section = 'main';
my $subsection = $data{section} || '-';
if ($data{section} && ($data{section} =~ m=/=o)) {
$data{'section'} = $section;
$data{'subsection'} = $subsection;
$data{'priority'} ||= '-';
- $sections{$suite}{$archive}{$section}++;
- $subsections{$suite}{$archive}{$subsection}++;
- $priorities{$suite}{$archive}{$data{priority}}++;
+ $sections{$suite}{$section}++;
+ $subsections{$suite}{$subsection}++;
+ $priorities{$suite}{$data{priority}}++;
my $pkgitem = "$archive $suite $data{'architecture'} ".
"$section $subsection $data{'priority'} $data{'version'} $sdescr\0";
- my $previtem = $packages_small{$data{'package'}}{$suite}{$data{'architecture'}}
- || $pkgitem;
+ my $previtem = ($packages_small{$data{'package'}}{$suite}{$data{'architecture'}}
+ ||= $pkgitem);
$packages_small{$data{'package'}}{$suite}{$data{'architecture'}} = $pkgitem
- if version_cmp($data{'version'}, (split /\s/o, $previtem)[6]) >= 0;
- $previtem = $packages_small{$data{'package'}}{$suite}{'any'}
- || $pkgitem;
+ if version_cmp($data{'version'}, (split /\s/o, $previtem)[6]) > 0;
+ $previtem = ($packages_small{$data{'package'}}{$suite}{'any'}
+ ||= $pkgitem);
$packages_small{$data{'package'}}{$suite}{'any'} = $pkgitem
- if version_cmp($data{'version'}, (split /\s/o, $previtem)[6]) >= 0;
+ if version_cmp($data{'version'}, (split /\s/o, $previtem)[6]) > 0;
$sources_packages{$src} .=
"$archive $suite $data{'package'} $data{'version'} $data{'architecture'}\000";
$data{archive} = $archive;
$res3 .= $v3;
}
}
-
+
if (exists $virtual_packages{$pkg}) {
while (my ($suite, $v2) = each %{$virtual_packages{$pkg}}) {
$res1 .= "$suite\01".(join ' ', keys %$v2)."\01";
}
untie %descriptions_packages_db;
+my $stemmer = Lingua::Stem->new();
+$stemmer->stem_caching({ -level => 2 });
+my $xapian_db;
+eval {
+ $xapian_db = Search::Xapian::WritableDatabase->new("$DBDIR/xapian.new",
+ Search::Xapian::DB_CREATE_OR_OPEN)
+ or die "can't create write-able db object: $!\n";
+};
+die $@ if $@;
my %descriptions_db;
tie %descriptions_db, "DB_File", "$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;
# WARNING: This needs to correspond with what happens in
# Packages/Search.pm:do_fulltext_search
$plain_description =~ tr [A-Z] [a-z];
$plain_description =~ s/[(),.-]+//og;
$plain_description =~ s#[^a-z0-9_/+]+# #og;
print DESCR "$plain_description\n";
- $descriptions_db{$i} = $descriptions[$i];
+
+ #XAPIAN
+ eval {
+ my @words = split /\s+/, $plain_description;
+ my $stem_words = $stemmer->stem( \@words );
+ 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";
+ }
+ }
+ $xapian_db->add_document($doc)
+ or warn "failed to add document: $i\n";
+ };
+ die $@ if $@;
+
+ $descriptions_db{$i} = $only_desc;
}
close DESCR;
untie %descriptions_db;
+$xapian_db->flush;
+undef $xapian_db;
# package names stuff:
for my $pkg (keys %package_names) {
rename("$DBDIR/package_names_$suite.txt.new",
"$DBDIR/package_names_$suite.txt");
}
+rename("$DBDIR/xapian", "$DBDIR/xapian.old");
+rename("$DBDIR/xapian.new","$DBDIR/xapian");
+rmtree("$DBDIR/xapian.old");
rename("$DBDIR/packages_descriptions.db.new",
"$DBDIR/packages_descriptions.db");
rename("$DBDIR/descriptions_packages.db.new",
projects / deb / packages.git / blobdiff