2 # Convert Packages.gz files into Sleepycat db files for efficient usage of
5 # Copyright (C) 2006 Jeroen van Wolffelaar <jeroen@wolffelaar.nl>
6 # Copyright (C) 2006-2007 Frank Lichtenheld <frank@lichtenheld.de>
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 my $what = $ARGV[0] ? "non-free" : "*";
29 # max. distinct results for a given package postfix
30 my $MAX_PACKAGE_POSTFIXES = 100;
37 use Lingua::Stem v0.82;
39 use Packages::Config qw( $TOPDIR $DBDIR @ARCHIVES @SUITES );
40 &Packages::Config::init( './' );
41 my %packages_small = ();
42 my %virtual_packages = ();
43 my %package_names = ();
44 my %package_postfixes = ();
45 my %sources_packages = ();
46 my %descriptions = ();
47 my @descriptions = ("we count lines one-based\000");
48 my %packages_descriptions = ();
49 my %descriptions_packages = ();
57 -d $DBDIR || mkpath( $DBDIR );
58 -d "$DBDIR/xapian.new" && rmtree("$DBDIR/xapian.new");
59 -d "$DBDIR/xapian.old" && rmtree("$DBDIR/xapian.old");
60 mkpath( "$DBDIR/xapian.new" );
62 for my $suite (@SUITES) {
63 my %package_names_suite = ();
65 tie %packages_all_db, "DB_File", "$DBDIR/packages_all_$suite.db.new",
66 O_RDWR|O_CREAT, 0666, $DB_BTREE
67 or die "Error creating DB: $!";
69 for my $archive (@ARCHIVES) {
70 print "Reading $archive/$suite...\n";
71 my $suite_dir = "$TOPDIR/archive/$archive/$suite";
73 print "\tseems not to exist, skipping...\n";
76 open PKG, "zcat $suite_dir/$what/binary-*/Packages.gz $suite_dir/$what/debian-installer/binary-*/Packages.gz|";
83 while (/^(\S+):\s*(.*)\s*$/mg) {
84 my ($key, $value) = ($1, $2);
85 $value =~ s/\377/\n /g;
86 $key =~ tr [A-Z] [a-z];
90 next if exists($packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"});
91 # Skip arch:all for amd64 & debports, any non-redundancy is
92 # usually a bug anyway
93 next if ($archive eq 'amd64' or $archive eq 'debports')
94 and $data{architecture} eq 'all';
96 if ($data{'provides'}) {
97 foreach (split /\s*,\s*/, $data{'provides'}) {
98 $virtual_packages{$_}{$suite}{$data{'package'}}++;
99 $packages_small{$_} ||= {};
102 $package_names{$data{'package'}} = 1;
103 $package_names_suite{$data{'package'}} = 1;
104 my $src = $data{'package'};
105 my $src_version = '';
106 if ($data{'source'}) {
107 $src = $data{'source'};
108 $src =~ s/\s+.*//o; # strip version info
110 $data{'source'} = $src;
112 # expand tags like devel::{lang:c,lang:c++}
113 if ($data{'tag'} && $data{'tag'} =~ /\{/) {
114 my @complete_tags = split(/, /, $data{'tag'});
116 foreach (@complete_tags) {
117 my ($facet, $tag) = split( /::/, $_, 2);
118 if ($tag =~ s/^\{(.+)\}$/$1/) {
119 foreach (split( /,/, $tag )) {
120 push @tags, "${facet}::$_";
123 push @tags, "${facet}::$tag";
126 my $old = $data{tag};
127 $data{'tag'} = join ", ", @tags;
130 # we add some additional data here
131 my $descr = "$data{'description'}\000$data{'package'}\000"
133 my $sdescr = $data{'description'};
134 $sdescr =~ s/\n.*//os;
136 if (exists($descriptions{$descr})) {
137 $did = $descriptions{$descr};
139 $did = 1 + $#descriptions;
140 $descriptions[$did] = $descr;
141 $descriptions{$descr} = $did;
143 $data{'description-md5'} = Digest::MD5::md5_hex($data{'description'}, "\n");
144 $data{'description'} = $did;
145 $packages_descriptions{"$data{'package'} $data{'version'} $data{'architecture'}"} = $did;
146 $descriptions_packages{$did} .=
147 "$data{'package'} $data{'version'} $data{'architecture'}\000";
149 my $section = 'main';
150 my $subsection = $data{section} || '-';
151 if ($data{section} && ($data{section} =~ m=/=o)) {
152 ($section, $subsection) = split m=/=o, $data{section}, 2;
154 $data{'section'} = $section;
155 $data{'subsection'} = $subsection;
156 $data{'priority'} ||= '-';
157 $sections{$suite}{$section}++;
158 $subsections{$suite}{$subsection}++;
159 $priorities{$suite}{$data{priority}}++;
160 my $pkgitem = "$archive $suite $data{'architecture'} ".
161 "$section $subsection $data{'priority'} $data{'version'} $data{'description-md5'} $sdescr\0";
162 my $previtem = ($packages_small{$data{'package'}}{$suite}{$data{'architecture'}}
164 $packages_small{$data{'package'}}{$suite}{$data{'architecture'}} = $pkgitem
165 if version_cmp($data{'version'}, (split /\s/o, $previtem)[6]) > 0;
166 $previtem = ($packages_small{$data{'package'}}{$suite}{'any'}
168 $packages_small{$data{'package'}}{$suite}{'any'} = $pkgitem
169 if version_cmp($data{'version'}, (split /\s/o, $previtem)[6]) > 0;
170 $sources_packages{$src} .=
171 "$archive $suite $data{'package'} $data{'version'} $data{'architecture'}\000";
172 $data{archive} = $archive;
173 while (my ($key, $value) = each (%data)) {
174 next if $key eq 'package' or $key eq 'version' or $key eq 'architecture'
175 or $key eq 'maintainer';
176 print STDERR "WARN: $key ($suite/$archive/$data{package}/$data{architecture}\n" unless defined $value;
177 $data .= "$key\00$value\00";
180 $packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"}
185 open NAMES, '>', "$DBDIR/package_names_$suite.txt.new"
186 or die "Error creating package names list: $!";
187 foreach (sort keys %package_names_suite) {
192 untie %packages_all_db;
195 print "Writing databases...\n";
196 my %packages_small_db;
197 tie %packages_small_db, "DB_File", "$DBDIR/packages_small.db.new",
198 O_RDWR|O_CREAT, 0666, $DB_BTREE
199 or die "Error creating DB: $!";
200 while (my ($pkg, $v) = each(%packages_small)) {
201 my ($res1, $res2, $res3) = ("", "", "");
202 while (my ($suite, $v2) = each %$v) {
203 $res2 .= $v2->{'any'};
204 while (my ($arch, $v3) = each %$v2) {
205 next if $arch eq 'any' or $v3 eq $v2->{'any'};
210 if (exists $virtual_packages{$pkg}) {
211 while (my ($suite, $v2) = each %{$virtual_packages{$pkg}}) {
212 $res1 .= "$suite\01".(join ' ', keys %$v2)."\01";
219 my $res = "$res1$res2$res3";
221 $packages_small_db{$pkg} = $res;
223 untie %packages_small_db;
225 my %sources_packages_db;
226 tie %sources_packages_db, "DB_File", "$DBDIR/sources_packages.db.new",
227 O_RDWR|O_CREAT, 0666, $DB_BTREE
228 or die "Error creating DB: $!";
229 while (my ($k, $v) = each(%sources_packages)) {
231 $sources_packages_db{$k} = $v;
233 untie %sources_packages_db;
235 my %packages_descriptions_db;
236 tie %packages_descriptions_db, "DB_File", "$DBDIR/packages_descriptions.db.new",
237 O_RDWR|O_CREAT, 0666, $DB_BTREE
238 or die "Error creating DB: $!";
239 while (my ($k, $v) = each(%packages_descriptions)) {
240 $packages_descriptions_db{$k} = $v;
242 untie %packages_descriptions_db;
244 my %descriptions_packages_db;
245 tie %descriptions_packages_db, "DB_File", "$DBDIR/descriptions_packages.db.new",
246 O_RDWR|O_CREAT, 0666, $DB_BTREE
247 or die "Error creating DB: $!";
248 while (my ($k, $v) = each(%descriptions_packages)) {
250 $descriptions_packages_db{$k} = $v;
252 untie %descriptions_packages_db;
254 my $stemmer = Lingua::Stem->new();
255 $stemmer->stem_caching({ -level => 2 });
258 $xapian_db = Search::Xapian::WritableDatabase->new("$DBDIR/xapian.new",
259 Search::Xapian::DB_CREATE_OR_OPEN)
260 or die "can't create write-able db object: $!\n";
264 tie %descriptions_db, "DB_File", "$DBDIR/descriptions.db.new",
265 O_RDWR|O_CREAT, 0666, $DB_BTREE
266 or die "Error creating DB: $!";
267 print "Index $#descriptions descriptions\n";
268 for (my $i=1; $i<= $#descriptions; $i++) {
269 # strip away additional data
270 my ($only_desc, $pkg, $tags) = split /\000/o, $descriptions[$i], 3;
271 my $orig_desc = $only_desc;
272 # WARNING: This needs to correspond with what happens in
273 # Packages/Search.pm:do_xapian_search
274 $only_desc =~ s#[^\w/+]+# #og;
278 my @words = split /\s+/, $only_desc;
279 unshift @words, $pkg;
281 my $doc = Search::Xapian::Document->new()
282 or die "can't create doc object for $i: $!\n";
283 if ($doc->set_data($i)){
284 warn "can't set_data in doc object for $i: $!\n";
287 # package with prefix
288 if ($doc->add_term("P$pkg")) {
289 warn "can't add term P$pkg: $!\n";
291 # description, unstemmed with positional info
292 for my $j (0 .. (@words-1)) {
293 next if $words[$j] =~ /^\s*$/o;
294 if ($doc->add_posting($words[$j], $j)) {
295 warn "can't add posting $words[$j] at $j: $!\n";
298 # description, stemmed
299 my $stem_words = $stemmer->stem( \@words );
300 foreach my $w (@$stem_words) {
301 next if $w =~ /^\s*$/o;
302 if ($doc->add_term($w)) {
303 warn "can't add term $w: $!\n";
307 foreach my $t (split m/, /, $tags) {
308 if ($doc->add_term($t)) {
309 warn "can't add term $t: $!\n";
314 $xapian_db->add_document($doc)
315 or warn "failed to add document: $i\n";
319 $descriptions_db{$i} = $orig_desc;
321 untie %descriptions_db;
325 # package names stuff:
326 for my $pkg (keys %package_names) {
327 for (my $i=0;$i<length($pkg)-1;$i++) {
328 my $before = substr($pkg, 0, $i);
329 my $after = substr($pkg, $i);
330 $before = "^" if $before eq ""; # otherwise split doesn't work properly
331 $package_postfixes{$after} .= "$before\0";
334 my %package_postfixes_db;
335 tie %package_postfixes_db, "DB_File", "$DBDIR/package_postfixes.db.new",
336 O_RDWR|O_CREAT, 0666, $DB_BTREE
337 or die "Error creating DB: $!";
338 while (my ($k, $v) = each(%package_postfixes)) {
340 my $nr = ($v =~ tr/\000/\000/) + 1;
341 if ($nr > $MAX_PACKAGE_POSTFIXES) {
342 $v = ($v =~ /\^/) ? "^\001" . $nr
345 $package_postfixes_db{$k} = $v;
347 untie %package_postfixes_db;
349 store \%sections, "$DBDIR/sections.info";
350 store \%subsections, "$DBDIR/subsections.info";
351 store \%priorities, "$DBDIR/priorities.info";
353 rename("$DBDIR/packages_small.db.new", "$DBDIR/packages_small.db");
354 rename("$DBDIR/sources_packages.db.new", "$DBDIR/sources_packages.db");
355 for my $suite (@SUITES) {
356 rename("$DBDIR/packages_all_$suite.db.new",
357 "$DBDIR/packages_all_$suite.db");
358 rename("$DBDIR/package_names_$suite.txt.new",
359 "$DBDIR/package_names_$suite.txt");
361 rename("$DBDIR/xapian", "$DBDIR/xapian.old");
362 rename("$DBDIR/xapian.new","$DBDIR/xapian");
363 rmtree("$DBDIR/xapian.old");
364 rename("$DBDIR/packages_descriptions.db.new",
365 "$DBDIR/packages_descriptions.db");
366 rename("$DBDIR/descriptions_packages.db.new",
367 "$DBDIR/descriptions_packages.db");
368 rename("$DBDIR/descriptions.db.new", "$DBDIR/descriptions.db");
369 rename("$DBDIR/package_postfixes.db.new", "$DBDIR/package_postfixes.db");