2 # Convert Packages.gz files into Sleepycat db files for efficient usage of
7 # Copyright (C) 2006 Jeroen van Wolffelaar <jeroen@wolffelaar.nl>
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 my $what = $ARGV[0] ? "non-free" : "*";
26 # max. distinct results for a given package postfix
27 my $MAX_PACKAGE_POSTFIXES = 100;
31 use Packages::Config qw( $TOPDIR $DBDIR @ARCHIVES @SUITES );
32 &Packages::Config::init( './' );
33 my %packages_small = ();
34 my %package_names = ();
35 my %package_postfixes = ();
36 my %sources_packages = ();
37 my %descriptions = ();
38 my @descriptions = ("we count lines one-based\000");
39 my %packages_descriptions = ();
40 my %descriptions_packages = ();
48 for my $archive (@ARCHIVES) {
49 for my $suite (@SUITES) {
51 my %virtual_packages = ();
52 print "Reading $archive/$suite...\n";
54 tie %packages_all_db, "DB_File", "$DBDIR/packages_all_$suite.db.new",
55 O_RDWR|O_CREAT, 0666, $DB_BTREE
56 or die "Error creating DB: $!";
57 open PKG, "zcat $TOPDIR/archive/$archive/$suite/$what/{,debian-installer/}binary-*/Packages.gz|";
64 while (/^(\S+):\s*(.*)\s*$/mg) {
65 my ($key, $value) = ($1, $2);
66 $value =~ s/\377/\n /g;
67 $key =~ tr [A-Z] [a-z];
71 next if exists($packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"});
73 if ($data{'provides'}) {
74 foreach (split /\s*,\s*/, $data{'provides'}) {
75 $virtual_packages{$_}{$data{'package'}}++;
78 $package_names{$data{'package'}} = 1;
79 my $src = $data{'package'};
81 if ($data{'source'}) {
82 $src = $data{'source'};
83 $src =~ s/\s+.*//; # strip version info
85 $data{'source'} = $src;
86 my $descr = $data{'description'};
88 if (exists($descriptions{$descr})) {
89 $did = $descriptions{$descr};
91 $did = 1 + $#descriptions;
92 $descriptions[$did] = $descr;
93 $descriptions{$descr} = $did;
95 $data{'description'} = $did;
96 $packages_descriptions{"$data{'package'} $data{'version'} $data{'architecture'}"} = $did;
97 $descriptions_packages{$did} .=
98 "$data{'package'} $data{'version'} $data{'architecture'}\000";
101 $sdescr =~ s/\n.*//s;
102 my $section = 'main';
103 my $subsection = $data{section} || '-';
104 if ($data{section} && ($data{section} =~ m=/=o)) {
105 ($section, $subsection) = split m=/=o, $data{section}, 2;
106 ($subsection, $section) = split m=/=o, $data{section}, 2
107 if $section eq 'non-US';
109 $data{'section'} = $section;
110 $data{'subsection'} = $subsection;
111 $data{'priority'} ||= '-';
112 $sections{$suite}{$archive}{$section}++;
113 $subsections{$suite}{$archive}{$subsection}++;
114 $priorities{$suite}{$archive}{$data{priority}}++;
115 $packages_small{$data{'package'}} .= "$archive $suite $data{'architecture'} ".
116 "$section $subsection $data{'priority'} $data{'version'} $sdescr\000";
117 $sources_packages{$src} .=
118 "$archive $suite $data{'package'} $data{'version'} $data{'architecture'}\000";
119 $data{archive} = $archive;
120 while (my ($key, $value) = each (%data)) {
121 next if $key eq 'package' or $key eq 'version' or $key eq 'architecture'
122 or $key eq 'maintainer';
123 print STDERR "WARN: $key ($suite/$archive/$data{package}/$data{architecture}\n" unless defined $value;
124 $data .= "$key\00$value\00";
127 $packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"}
131 foreach (keys %virtual_packages) {
132 my @provided_by = keys %{$virtual_packages{$_}};
133 $packages_small{$_} .= "$archive $suite virtual v v v v @provided_by\000";
136 untie %packages_all_db;
140 print "Writing databases...\n";
141 my %packages_small_db;
142 tie %packages_small_db, "DB_File", "$DBDIR/packages_small.db.new",
143 O_RDWR|O_CREAT, 0666, $DB_BTREE
144 or die "Error creating DB: $!";
145 while (my ($k, $v) = each(%packages_small)) {
147 $packages_small_db{$k} = $v;
149 untie %packages_small_db;
151 my %sources_packages_db;
152 tie %sources_packages_db, "DB_File", "$DBDIR/sources_packages.db.new",
153 O_RDWR|O_CREAT, 0666, $DB_BTREE
154 or die "Error creating DB: $!";
155 while (my ($k, $v) = each(%sources_packages)) {
157 $sources_packages_db{$k} = $v;
159 untie %sources_packages_db;
161 my %packages_descriptions_db;
162 tie %packages_descriptions_db, "DB_File", "$DBDIR/packages_descriptions.db.new",
163 O_RDWR|O_CREAT, 0666, $DB_BTREE
164 or die "Error creating DB: $!";
165 while (my ($k, $v) = each(%packages_descriptions)) {
166 $packages_descriptions_db{$k} = $v;
168 untie %packages_descriptions_db;
170 my %descriptions_packages_db;
171 tie %descriptions_packages_db, "DB_File", "$DBDIR/descriptions_packages.db.new",
172 O_RDWR|O_CREAT, 0666, $DB_BTREE
173 or die "Error creating DB: $!";
174 while (my ($k, $v) = each(%descriptions_packages)) {
176 $descriptions_packages_db{$k} = $v;
178 untie %descriptions_packages_db;
181 tie %descriptions_db, "DB_File", "$DBDIR/descriptions.db.new",
182 O_RDWR|O_CREAT, 0666, $DB_BTREE
183 or die "Error creating DB: $!";
184 open DESCR, ">", "$DBDIR/descriptions.txt" or die "Error creating descriptions textfile";
185 for (my $i=1; $i<= $#descriptions; $i++) {
186 my $plain_description = $descriptions[$i];
187 # WARNING: This needs to correspond with what happens in
188 # Packages/Search.pm:do_fulltext_search
189 $plain_description =~ tr [A-Z] [a-z];
190 # ensure one space on both ends
191 $plain_description = " $plain_description ";
192 $plain_description =~ s/[(),.-]+//og;
193 $plain_description =~ s#[^a-z0-9_/+]+# #og;
194 print DESCR "$plain_description\n";
195 $descriptions_db{$i} = $descriptions[$i];
198 untie %descriptions_db;
200 # package names stuff:
201 for my $pkg (keys %package_names) {
202 for (my $i=0;$i<length($pkg)-1;$i++) {
203 my $before = substr($pkg, 0, $i);
204 my $after = substr($pkg, $i);
205 $before = "^" if $before eq ""; # otherwise split doesn't work properly
206 $package_postfixes{$after} .= "$before\0";
209 my %package_postfixes_db;
210 tie %package_postfixes_db, "DB_File", "$DBDIR/package_postfixes.db.new",
211 O_RDWR|O_CREAT, 0666, $DB_BTREE
212 or die "Error creating DB: $!";
213 while (my ($k, $v) = each(%package_postfixes)) {
217 $nr = length($nr) + 1; # < number of hits
218 if ($nr > $MAX_PACKAGE_POSTFIXES) {
221 $package_postfixes_db{$k} = $v;
223 untie %package_postfixes_db;
225 store \%sections, "$DBDIR/sections.info";
226 store \%subsections, "$DBDIR/subsections.info";
227 store \%priorities, "$DBDIR/priorities.info";
229 rename("$DBDIR/packages_small.db.new", "$DBDIR/packages_small.db");
230 rename("$DBDIR/sources_packages.db.new", "$DBDIR/sources_packages.db");
231 for my $suite (@SUITES) {
232 rename("$DBDIR/packages_all_$suite.db.new",
233 "$DBDIR/packages_all_$suite.db");
235 rename("$DBDIR/packages_descriptions.db.new",
236 "$DBDIR/packages_descriptions.db");
237 rename("$DBDIR/descriptions_packages.db.new",
238 "$DBDIR/descriptions_packages.db");
239 rename("$DBDIR/descriptions.txt.new", "$DBDIR/descriptions.txt");
240 rename("$DBDIR/descriptions.db.new", "$DBDIR/descriptions.db");
241 rename("$DBDIR/package_postfixes.db.new", "$DBDIR/package_postfixes.db");