# 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 lib './lib';
+
+$| = 1;
+
+my $what = $ARGV[0] ? "non-free" : "*";
+# max. distinct results for a given package postfix
+my $MAX_PACKAGE_POSTFIXES = 100;
use DB_File;
+use Storable;
+use File::Path;
+use Digest::MD5;
+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 = ();
+my %virtual_packages = ();
+my %package_names = ();
+my %package_postfixes = ();
my %sources_packages = ();
my %descriptions = ();
my @descriptions = ("we count lines one-based\000");
my %packages_descriptions = ();
my %descriptions_packages = ();
-my @suites = ('oldstable', 'stable', 'testing', 'unstable', 'experimental');
+my %sections = ();
+my %subsections = ();
+my %priorities = ();
$/ = "";
-for my $suite (@suites) {
+-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 $suite (@SUITES) {
+ my %package_names_suite = ();
+ my %packages_all_db;
+ tie %packages_all_db, "DB_File", "$DBDIR/packages_all_$suite.db.new",
+ O_RDWR|O_CREAT, 0666, $DB_BTREE
+ or die "Error creating DB: $!";
- print "Reading $suite...\n";
- my %packages_all_db;
- tie %packages_all_db, "DB_File", "packages_all_$suite.db.new",
- O_RDWR|O_CREAT, 0666, $DB_BTREE
- or die "Error creating DB: $!";
- open PKG, "zcat /org/ftp.debian.org/ftp/dists/$suite/*/{,debian-installer/}binary-*/Packages.gz|";
+ 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*$/;
my $data = "";
my %data = ();
chomp;
s/\n /\377/g;
- #s/\376\377\s*\376\377/\376\377/og;
while (/^(\S+):\s*(.*)\s*$/mg) {
my ($key, $value) = ($1, $2);
$value =~ s/\377/\n /g;
- $data .= "$key: $value\n";
$key =~ tr [A-Z] [a-z];
$data{$key} = $value;
}
# Skip double package
next if exists($packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"});
- $packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"}
- = $data;
+ # Skip arch:all for amd64 & gnuab, any non-redundancy is
+ # usually a bug anyway
+ next if ($archive eq 'amd64' or $archive eq 'gnuab')
+ and $data{architecture} eq 'all';
+ if ($data{'provides'}) {
+ foreach (split /\s*,\s*/, $data{'provides'}) {
+ $virtual_packages{$_}{$suite}{$data{'package'}}++;
+ $packages_small{$_} ||= {};
+ }
+ }
+ $package_names{$data{'package'}} = 1;
+ $package_names_suite{$data{'package'}} = 1;
my $src = $data{'package'};
- my $srcversion = $data{'version'};
+ my $src_version = '';
if ($data{'source'}) {
$src = $data{'source'};
- if ($src =~ /(\S+) \((\S+)\)/) {
- $src = $1;
- $srcversion = $2;
+ $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;
}
- 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};
$descriptions[$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} .=
"$data{'package'} $data{'version'} $data{'architecture'}\000";
- my $sdescr = $descr;
- $sdescr =~ s/\n.*//s;
- $packages_small{$data{'package'}} .= "$suite $data{'architecture'} ".
- "$data{'section'} $data{'priority'} $data{'version'} $sdescr\000";
+ my $section = 'main';
+ my $subsection = $data{section} || '-';
+ if ($data{section} && ($data{section} =~ m=/=o)) {
+ ($section, $subsection) = split m=/=o, $data{section}, 2;
+ }
+ $data{'section'} = $section;
+ $data{'subsection'} = $subsection;
+ $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);
+ $packages_small{$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);
+ $packages_small{$data{'package'}}{$suite}{'any'} = $pkgitem
+ if version_cmp($data{'version'}, (split /\s/o, $previtem)[6]) > 0;
$sources_packages{$src} .=
- "$data{'package'} $data{'architecture'} $data{'version'}\000";
+ "$archive $suite $data{'package'} $data{'version'} $data{'architecture'}\000";
+ $data{archive} = $archive;
+ while (my ($key, $value) = each (%data)) {
+ next if $key eq 'package' or $key eq 'version' or $key eq 'architecture'
+ or $key eq 'maintainer';
+ print STDERR "WARN: $key ($suite/$archive/$data{package}/$data{architecture}\n" unless defined $value;
+ $data .= "$key\00$value\00";
+ }
+ $data =~ s/.$//s;
+ $packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"}
+ = $data;
}
+ }
- untie %packages_all_db;
+ open NAMES, '>', "$DBDIR/package_names_$suite.txt.new"
+ or die "Error creating package names list: $!";
+ foreach (sort keys %package_names_suite) {
+ print NAMES "$_\n";
+ }
+ close NAMES;
+
+ untie %packages_all_db;
}
print "Writing databases...\n";
my %packages_small_db;
-tie %packages_small_db, "DB_File", "packages_small.db.new",
+tie %packages_small_db, "DB_File", "$DBDIR/packages_small.db.new",
O_RDWR|O_CREAT, 0666, $DB_BTREE
or die "Error creating DB: $!";
-while (my ($k, $v) = each(%packages_small)) {
- $v =~ s/.$//s;
- $packages_small_db{$k} = $v;
+while (my ($pkg, $v) = each(%packages_small)) {
+ my ($res1, $res2, $res3) = ("", "", "");
+ while (my ($suite, $v2) = each %$v) {
+ $res2 .= $v2->{'any'};
+ while (my ($arch, $v3) = each %$v2) {
+ next if $arch eq 'any' or $v3 eq $v2->{'any'};
+ $res3 .= $v3;
+ }
+ }
+
+ if (exists $virtual_packages{$pkg}) {
+ while (my ($suite, $v2) = each %{$virtual_packages{$pkg}}) {
+ $res1 .= "$suite\01".(join ' ', keys %$v2)."\01";
+ }
+ } else {
+ $res1 .= "-\01-\01";
+ }
+ $res1 =~ s/.$/\0/s;
+
+ my $res = "$res1$res2$res3";
+ $res =~ s/.$//s;
+ $packages_small_db{$pkg} = $res;
}
untie %packages_small_db;
my %sources_packages_db;
-tie %sources_packages_db, "DB_File", "sources_packages.db.new",
+tie %sources_packages_db, "DB_File", "$DBDIR/sources_packages.db.new",
O_RDWR|O_CREAT, 0666, $DB_BTREE
or die "Error creating DB: $!";
while (my ($k, $v) = each(%sources_packages)) {
untie %sources_packages_db;
my %packages_descriptions_db;
-tie %packages_descriptions_db, "DB_File", "packages_descriptions.db.new",
+tie %packages_descriptions_db, "DB_File", "$DBDIR/packages_descriptions.db.new",
O_RDWR|O_CREAT, 0666, $DB_BTREE
or die "Error creating DB: $!";
while (my ($k, $v) = each(%packages_descriptions)) {
untie %packages_descriptions_db;
my %descriptions_packages_db;
-tie %descriptions_packages_db, "DB_File", "descriptions_packages.db.new",
+tie %descriptions_packages_db, "DB_File", "$DBDIR/descriptions_packages.db.new",
O_RDWR|O_CREAT, 0666, $DB_BTREE
or die "Error creating DB: $!";
while (my ($k, $v) = each(%descriptions_packages)) {
}
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 $@;
my %descriptions_db;
-tie %descriptions_db, "DB_File", "descriptions.db.new",
+tie %descriptions_db, "DB_File", "$DBDIR/descriptions.db.new",
O_RDWR|O_CREAT, 0666, $DB_BTREE
or die "Error creating DB: $!";
-open DESCR, "> descriptions.txt" or die "Error creating descriptions textfile";
+print "Index $#descriptions descriptions\n";
for (my $i=1; $i<= $#descriptions; $i++) {
- my $null_d = $descriptions[$i];
- $null_d =~ s/\n/\000/g;
- print DESCR "$null_d\n";
- $descriptions_db{$i} = $descriptions[$i];
+ # strip away additional data
+ 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_xapian_search
+ $only_desc =~ s#[^\w/+]+# #og;
+
+ #XAPIAN
+ eval {
+ 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: $!\n";
+ }
+
+ # package with prefix
+ if ($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} = $orig_desc;
}
-close DESCR;
untie %descriptions_db;
+$xapian_db->flush;
+undef $xapian_db;
+
+# package names stuff:
+for my $pkg (keys %package_names) {
+ for (my $i=0;$i<length($pkg)-1;$i++) {
+ my $before = substr($pkg, 0, $i);
+ my $after = substr($pkg, $i);
+ $before = "^" if $before eq ""; # otherwise split doesn't work properly
+ $package_postfixes{$after} .= "$before\0";
+ }
+}
+my %package_postfixes_db;
+tie %package_postfixes_db, "DB_File", "$DBDIR/package_postfixes.db.new",
+ O_RDWR|O_CREAT, 0666, $DB_BTREE
+ or die "Error creating DB: $!";
+while (my ($k, $v) = each(%package_postfixes)) {
+ $v =~ s/.$//s;
+ my $nr = $v;
+ $nr =~ s/[^\000]//g;
+ $nr = length($nr) + 1; # < number of hits
+ if ($nr > $MAX_PACKAGE_POSTFIXES) {
+ $v = "\001" . $nr;
+ }
+ $package_postfixes_db{$k} = $v;
+}
+untie %package_postfixes_db;
+
+store \%sections, "$DBDIR/sections.info";
+store \%subsections, "$DBDIR/subsections.info";
+store \%priorities, "$DBDIR/priorities.info";
-rename("packages_small.db.new", "packages_small.db");
-rename("sources_packages.db.new", "sources_packages.db");
-for my $suite (@suites) {
- rename("packages_all_$suite.db.new", "packages_all_$suite.db");
+rename("$DBDIR/packages_small.db.new", "$DBDIR/packages_small.db");
+rename("$DBDIR/sources_packages.db.new", "$DBDIR/sources_packages.db");
+for my $suite (@SUITES) {
+ rename("$DBDIR/packages_all_$suite.db.new",
+ "$DBDIR/packages_all_$suite.db");
+ rename("$DBDIR/package_names_$suite.txt.new",
+ "$DBDIR/package_names_$suite.txt");
}
-rename("packages_descriptions.db.new", "packages_descriptions.db");
-rename("descriptions_packages.db.new", "descriptions_packages.db");
-rename("descriptions.txt.new", "descriptions.txt");
-rename("descriptions.db.new", "descriptions.db");
+rename("$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("$DBDIR/descriptions_packages.db.new",
+ "$DBDIR/descriptions_packages.db");
+rename("$DBDIR/descriptions.db.new", "$DBDIR/descriptions.db");
+rename("$DBDIR/package_postfixes.db.new", "$DBDIR/package_postfixes.db");
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