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
24 my $what = $ARGV[0] ? "non-free" : "*";
25 # max. distinct results for a given package postfix
26 my $MAX_PACKAGE_POSTFIXES = 100;
29 my %packages_small = ();
30 my %package_names = ();
31 my %package_postfixes = ();
32 my %sources_packages = ();
33 my %descriptions = ();
34 my @descriptions = ("we count lines one-based\000");
35 my %packages_descriptions = ();
36 my %descriptions_packages = ();
38 my @archives = ( 'us', 'non-US', 'security', 'volatile', 'backports' );
39 my @suites = ('oldstable', 'stable', 'testing', 'unstable', 'experimental');
43 for my $archive (@archives) {
44 for my $suite (@suites) {
46 print "Reading $archive/$suite...\n";
48 tie %packages_all_db, "DB_File", "packages_all_$suite.db.new",
49 O_RDWR|O_CREAT, 0666, $DB_BTREE
50 or die "Error creating DB: $!";
51 open PKG, "zcat /org/packages.debian.org/archive/$archive/$suite/$what/{,debian-installer/}binary-*/Packages.gz|";
58 while (/^(\S+):\s*(.*)\s*$/mg) {
59 my ($key, $value) = ($1, $2);
60 $value =~ s/\377/\n /g;
61 $key =~ tr [A-Z] [a-z];
65 next if exists($packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"});
67 $package_names{$data{'package'}} = 1;
68 my $src = $data{'package'};
69 if ($data{'source'}) {
70 $src = $data{'source'};
71 $src =~ s/ .*//; # strip version info
73 $data{'source'} = $src;
74 my $descr = $data{'description'};
76 if (exists($descriptions{$descr})) {
77 $did = $descriptions{$descr};
79 $did = 1 + $#descriptions;
80 $descriptions[$did] = $descr;
81 $descriptions{$descr} = $did;
83 $data{'description'} = $did;
84 $packages_descriptions{"$data{'package'} $data{'version'} $data{'architecture'}"} = $did;
85 $descriptions_packages{$did} .=
86 "$data{'package'} $data{'version'} $data{'architecture'}\000";
91 my $subsection = $data{section} || '-';
92 if ($data{section} && ($data{section} =~ m=/=o)) {
93 ($section, $subsection) = split m=/=o, $data{section}, 2;
95 $data{'section'} = $section;
96 $data{'subsection'} = $subsection;
97 $data{'priority'} ||= '-';
98 $packages_small{$data{'package'}} .= "$archive $suite $data{'architecture'} ".
99 "$section $subsection $data{'priority'} $data{'version'} $sdescr\000";
100 $sources_packages{$src} .=
101 "$archive $suite $data{'package'} $data{'version'} $data{'architecture'}\000";
102 $data{archive} = $archive;
103 while (my ($key, $value) = each (%data)) {
104 next if $key eq 'package' or $key eq 'version' or $key eq 'architecture'
105 or $key eq 'maintainer';
106 print STDERR "WARN: $key ($suite/$archive/$data{package}/$data{architecture}\n" unless defined $value;
107 $data .= "$key: $value\n";
109 $packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"}
113 untie %packages_all_db;
117 print "Writing databases...\n";
118 my %packages_small_db;
119 tie %packages_small_db, "DB_File", "packages_small.db.new",
120 O_RDWR|O_CREAT, 0666, $DB_BTREE
121 or die "Error creating DB: $!";
122 while (my ($k, $v) = each(%packages_small)) {
124 $packages_small_db{$k} = $v;
126 untie %packages_small_db;
128 my %sources_packages_db;
129 tie %sources_packages_db, "DB_File", "sources_packages.db.new",
130 O_RDWR|O_CREAT, 0666, $DB_BTREE
131 or die "Error creating DB: $!";
132 while (my ($k, $v) = each(%sources_packages)) {
134 $sources_packages_db{$k} = $v;
136 untie %sources_packages_db;
138 my %packages_descriptions_db;
139 tie %packages_descriptions_db, "DB_File", "packages_descriptions.db.new",
140 O_RDWR|O_CREAT, 0666, $DB_BTREE
141 or die "Error creating DB: $!";
142 while (my ($k, $v) = each(%packages_descriptions)) {
143 $packages_descriptions_db{$k} = $v;
145 untie %packages_descriptions_db;
147 my %descriptions_packages_db;
148 tie %descriptions_packages_db, "DB_File", "descriptions_packages.db.new",
149 O_RDWR|O_CREAT, 0666, $DB_BTREE
150 or die "Error creating DB: $!";
151 while (my ($k, $v) = each(%descriptions_packages)) {
153 $descriptions_packages_db{$k} = $v;
155 untie %descriptions_packages_db;
158 tie %descriptions_db, "DB_File", "descriptions.db.new",
159 O_RDWR|O_CREAT, 0666, $DB_BTREE
160 or die "Error creating DB: $!";
161 open DESCR, "> descriptions.txt" or die "Error creating descriptions textfile";
162 for (my $i=1; $i<= $#descriptions; $i++) {
163 my $plain_description = $descriptions[$i];
164 $plain_description =~ s/\n .\n/ /og;
165 $plain_description =~ s/[\n \t]+/ /og;
166 print DESCR "$plain_description\n";
167 $descriptions_db{$i} = $descriptions[$i];
170 untie %descriptions_db;
172 # package names stuff:
173 for my $pkg (keys %package_names) {
174 for (my $i=0;$i<length($pkg)-1;$i++) {
175 my $before = substr($pkg, 0, $i);
176 my $after = substr($pkg, $i);
177 $before = "^" if $before eq ""; # otherwise split doesn't work properly
178 $package_postfixes{$after} .= "$before\0";
181 my %package_postfixes_db;
182 tie %package_postfixes_db, "DB_File", "package_postfixes.db.new",
183 O_RDWR|O_CREAT, 0666, $DB_BTREE
184 or die "Error creating DB: $!";
185 while (my ($k, $v) = each(%package_postfixes)) {
189 $nr = length($nr) + 1; # < number of hits
190 if ($nr > $MAX_PACKAGE_POSTFIXES) {
193 $package_postfixes_db{$k} = $v;
195 untie %package_postfixes_db;
197 rename("packages_small.db.new", "packages_small.db");
198 rename("sources_packages.db.new", "sources_packages.db");
199 for my $suite (@suites) {
200 rename("packages_all_$suite.db.new", "packages_all_$suite.db");
202 rename("packages_descriptions.db.new", "packages_descriptions.db");
203 rename("descriptions_packages.db.new", "descriptions_packages.db");
204 rename("descriptions.txt.new", "descriptions.txt");
205 rename("descriptions.db.new", "descriptions.db");
206 rename("package_postfixes.db.new", "package_postfixes.db");