From: Jeroen van Wolffelaar Date: Wed, 1 Feb 2006 15:18:06 +0000 (+0000) Subject: Parse scripts for Packages.gz files and Sources.gz files, to generate database X-Git-Tag: switch-to-templates~223 X-Git-Url: https://git.deb.at/w?a=commitdiff_plain;h=6914d9e9b91a657466c8642062c9133c583d6342;p=deb%2Fpackages.git Parse scripts for Packages.gz files and Sources.gz files, to generate database files --- diff --git a/bin/parse-packages b/bin/parse-packages new file mode 100755 index 0000000..af6d219 --- /dev/null +++ b/bin/parse-packages @@ -0,0 +1,158 @@ +#!/usr/bin/perl -w +# Convert Packages.gz files into Sleepycat db files for efficient usage of +# data +# +# $Id$ +# +# Copyright (C) 2006 Jeroen van Wolffelaar +# 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 +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# 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 + +use strict; + +use DB_File; +my %packages_small = (); +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'); + +$/ = ""; + +for my $suite (@suites) { + + 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/non-free/{,debian-installer/}binary-*/Packages.gz|"; + while () { + 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; + + my $src = $data{'package'}; + my $srcversion = $data{'version'}; + if ($data{'source'}) { + $src = $data{'source'}; + if ($src =~ /(\S+) \((\S+)\)/) { + $src = $1; + $srcversion = $2; + } + } + my $descr = $data{'description'}; + my $did = undef; + if (exists($descriptions{$descr})) { + $did = $descriptions{$descr}; + } else { + $did = 1 + $#descriptions; + $descriptions[$did] = $descr; + $descriptions{$descr} = $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"; + $sources_packages{$src} .= + "$data{'package'} $data{'architecture'} $data{'version'}\000"; + } + + untie %packages_all_db; +} + +print "Writing databases...\n"; +my %packages_small_db; +tie %packages_small_db, "DB_File", "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; +} +untie %packages_small_db; + +my %sources_packages_db; +tie %sources_packages_db, "DB_File", "sources_packages.db.new", + O_RDWR|O_CREAT, 0666, $DB_BTREE + or die "Error creating DB: $!"; +while (my ($k, $v) = each(%sources_packages)) { + $v =~ s/.$//s; + $sources_packages_db{$k} = $v; +} +untie %sources_packages_db; + +my %packages_descriptions_db; +tie %packages_descriptions_db, "DB_File", "packages_descriptions.db.new", + O_RDWR|O_CREAT, 0666, $DB_BTREE + or die "Error creating DB: $!"; +while (my ($k, $v) = each(%packages_descriptions)) { + $packages_descriptions_db{$k} = $v; +} +untie %packages_descriptions_db; + +my %descriptions_packages_db; +tie %descriptions_packages_db, "DB_File", "descriptions_packages.db.new", + O_RDWR|O_CREAT, 0666, $DB_BTREE + or die "Error creating DB: $!"; +while (my ($k, $v) = each(%descriptions_packages)) { + $v =~ s/.$//s; + $descriptions_packages_db{$k} = $v; +} +untie %descriptions_packages_db; + +my %descriptions_db; +tie %descriptions_db, "DB_File", "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"; +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]; +} +close DESCR; +untie %descriptions_db; + +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("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"); diff --git a/bin/parse-sources b/bin/parse-sources new file mode 100755 index 0000000..a1afe8d --- /dev/null +++ b/bin/parse-sources @@ -0,0 +1,60 @@ +#!/usr/bin/perl -w +# Convert Sources.gz files into Sleepycat db files for efficient usage of +# data +# +# $Id$ +# +# Copyright (C) 2006 Jeroen van Wolffelaar +# 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 +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# 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 + +use strict; + +use DB_File; + +my @suites = ('oldstable', 'stable', 'testing', 'unstable', 'experimental'); + +$/ = ""; + +for my $suite (@suites) { + + print "Reading $suite...\n"; + my %sources_all_db; + tie %sources_all_db, "DB_File", "sources_all_$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/non-free/source/Sources.gz|"; + while () { + next if /^\s*$/; + my $data = ""; + my %data = (); + chomp; + s/\n /\377/g; + while (/^(\S+):\s*(.*)\s*$/mg) { + my ($key, $value) = ($1, $2); + $value =~ s/\377/\n /g; + $data .= "$key: $value\n"; + $key =~ tr [A-Z] [a-z]; + $data{$key} = $value; + } + $sources_all_db{"$data{'package'} $data{'version'}"} + = $data; + } + + untie %sources_all_db; +} + +for my $suite (@suites) { + rename("sources_all_$suite.db.new", "sources_all_$suite.db"); +}