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 @suites = ('oldstable', 'stable', 'testing', 'unstable', 'experimental');
42 for my $suite (@suites) {
44 print "Reading $suite...\n";
46 tie %packages_all_db, "DB_File", "packages_all_$suite.db.new",
47 O_RDWR|O_CREAT, 0666, $DB_BTREE
48 or die "Error creating DB: $!";
49 open PKG, "zcat /org/ftp.debian.org/ftp/dists/$suite/$what/{,debian-installer/}binary-*/Packages.gz|";
56 while (/^(\S+):\s*(.*)\s*$/mg) {
57 my ($key, $value) = ($1, $2);
58 $value =~ s/\377/\n /g;
59 $key =~ tr [A-Z] [a-z];
63 next if exists($packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"});
65 $package_names{$data{'package'}} = 1;
66 my $src = $data{'package'};
67 if ($data{'source'}) {
68 $src = $data{'source'};
69 $src =~ s/ .*//; # strip version info
71 $data{'source'} = $src;
72 my $descr = $data{'description'};
74 if (exists($descriptions{$descr})) {
75 $did = $descriptions{$descr};
77 $did = 1 + $#descriptions;
78 $descriptions[$did] = $descr;
79 $descriptions{$descr} = $did;
81 $data{'description'} = $did;
82 $packages_descriptions{"$data{'package'} $data{'version'} $data{'architecture'}"} = $did;
83 $descriptions_packages{$did} .=
84 "$data{'package'} $data{'version'} $data{'architecture'}\000";
89 my $subsection = $data{section};
90 if ($data{section} && ($data{section} =~ m=/=o)) {
91 ($section, $subsection) = split m=/=o, $data{section}, 2;
93 $data{'section'} = $section;
94 $data{'subsection'} = $subsection;
95 $packages_small{$data{'package'}} .= "$suite $data{'architecture'} ".
96 "$section $subsection $data{'priority'} $data{'version'} $sdescr\000";
97 $sources_packages{$src} .=
98 "$suite $data{'package'} $data{'version'} $data{'architecture'}\000";
99 while (my ($key, $value) = each (%data)) {
100 next if $key eq 'package' or $key eq 'version' or $key eq 'architecture'
101 or $key eq 'maintainer';
102 $data .= "$key: $value\n";
104 $packages_all_db{"$data{'package'} $data{'architecture'} $data{'version'}"}
108 untie %packages_all_db;
111 print "Writing databases...\n";
112 my %packages_small_db;
113 tie %packages_small_db, "DB_File", "packages_small.db.new",
114 O_RDWR|O_CREAT, 0666, $DB_BTREE
115 or die "Error creating DB: $!";
116 while (my ($k, $v) = each(%packages_small)) {
118 $packages_small_db{$k} = $v;
120 untie %packages_small_db;
122 my %sources_packages_db;
123 tie %sources_packages_db, "DB_File", "sources_packages.db.new",
124 O_RDWR|O_CREAT, 0666, $DB_BTREE
125 or die "Error creating DB: $!";
126 while (my ($k, $v) = each(%sources_packages)) {
128 $sources_packages_db{$k} = $v;
130 untie %sources_packages_db;
132 my %packages_descriptions_db;
133 tie %packages_descriptions_db, "DB_File", "packages_descriptions.db.new",
134 O_RDWR|O_CREAT, 0666, $DB_BTREE
135 or die "Error creating DB: $!";
136 while (my ($k, $v) = each(%packages_descriptions)) {
137 $packages_descriptions_db{$k} = $v;
139 untie %packages_descriptions_db;
141 my %descriptions_packages_db;
142 tie %descriptions_packages_db, "DB_File", "descriptions_packages.db.new",
143 O_RDWR|O_CREAT, 0666, $DB_BTREE
144 or die "Error creating DB: $!";
145 while (my ($k, $v) = each(%descriptions_packages)) {
147 $descriptions_packages_db{$k} = $v;
149 untie %descriptions_packages_db;
152 tie %descriptions_db, "DB_File", "descriptions.db.new",
153 O_RDWR|O_CREAT, 0666, $DB_BTREE
154 or die "Error creating DB: $!";
155 open DESCR, "> descriptions.txt" or die "Error creating descriptions textfile";
156 for (my $i=1; $i<= $#descriptions; $i++) {
157 my $plain_description = $descriptions[$i];
158 $plain_description =~ s/\n .\n/ /og;
159 $plain_description =~ s/[\n \t]+/ /og;
160 print DESCR "$plain_description\n";
161 $descriptions_db{$i} = $descriptions[$i];
164 untie %descriptions_db;
166 # package names stuff:
167 for my $pkg (keys %package_names) {
168 for (my $i=0;$i<length($pkg)-1;$i++) {
169 my $before = substr($pkg, 0, $i);
170 my $after = substr($pkg, $i);
171 $package_postfixes{$after} .= "$before\0";
174 my %package_postfixes_db;
175 tie %package_postfixes_db, "DB_File", "package_postfixes.db.new",
176 O_RDWR|O_CREAT, 0666, $DB_BTREE
177 or die "Error creating DB: $!";
178 while (my ($k, $v) = each(%package_postfixes)) {
182 $nr = length($nr) + 1; # < number of hits
183 if ($nr > $MAX_PACKAGE_POSTFIXES) {
186 $package_postfixes_db{$k} = $v;
188 untie %package_postfixes_db;
190 rename("packages_small.db.new", "packages_small.db");
191 rename("sources_packages.db.new", "sources_packages.db");
192 for my $suite (@suites) {
193 rename("packages_all_$suite.db.new", "packages_all_$suite.db");
195 rename("packages_descriptions.db.new", "packages_descriptions.db");
196 rename("descriptions_packages.db.new", "descriptions_packages.db");
197 rename("descriptions.txt.new", "descriptions.txt");
198 rename("descriptions.db.new", "descriptions.db");
199 rename("package_postfixes.db.new", "package_postfixes.db");