Added tools to urpmi backend

1 files changed, 505 insertions, 0 deletions

diff --git a/lib/ManaTools/Shared/urpmi_backend/tools.pm b/lib/ManaTools/Shared/urpmi_backend/tools.pm
new file mode 100644
index 00000000..8fb03bf3
--- /dev/null
+++ b/lib/ManaTools/Shared/urpmi_backend/tools.pm
@@ -0,0 +1,505 @@
+# vim: set et ts=4 sw=4:
+package ManaTools::Shared::urpmi_backend::tools;
+
+#============================================================= -*-perl-*-
+
+=head1 NAME
+
+    ManaTools::Shared::urpmi_backend::tools - urpmi backend tools object
+
+=head1 SYNOPSIS
+
+    use ManaTools::Shared::urpmi_backend::tools;
+
+    my $urpm_tools = ManaTools::Shared::urpmi_backend::tools->new();
+
+
+=head1 DESCRIPTION
+
+    This module is a backend to some urpmi funcitionalities
+
+=head1 SUPPORT
+
+    You can find documentation for this module with the perldoc command:
+
+    perldoc ManaTools::Shared::urpmi_backend::tools
+
+=head1 SEE also
+
+    ManaTools::Shared::urpmi_backend::DB
+
+=head1 AUTHOR
+
+    Angelo Naselli <anaselli@linux.it>
+
+=head1 COPYRIGHT and LICENSE
+
+Copyright (c) 2015 Angelo Naselli <anaselli@linux.it>
+    from Rpmdrake:
+     Copyright (c) 2002 Guillaume Cottenceau
+     Copyright (c) 2003-2005 MandrakeSoft SA
+     Copyright (c) 2005-2007 Mandriva SA
+     Copyright (c) 2008 Aurelien Lefebvre <alkh@mandriva.org>
+     Copyright (c) 2002-2014 Thierry Vignaud <thierry.vignaud@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License version 2, as
+published by the Free Software Foundation.
+
+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.
+
+=head1 METHODS
+
+=cut
+
+use Moose;
+
+use strict;
+use ManaTools::Shared::urpmi_backend::DB;
+
+use MDK::Common::File qw(cat_);
+use URPM;
+use urpm::msg;
+
+# use Exporter;
+# our @ISA = qw(Exporter);
+# our @EXPORT = qw(
+#   get_update_medias
+#   rpm_description
+#   urpm_name
+#   find_installed_fullname
+#   is_mageia
+#   is_package_installed
+#   get_package_id
+#   ensure_utf8
+#   pkg2medium
+#   fullname_to_package_id
+#   get_package_by_package_id
+#   get_package_upgrade
+#   get_installed_fullname
+#   get_installed_fullname_pkid
+# );
+
+#=============================================================
+
+=head2 object attribute
+
+=head3 urpmi_db_backend
+
+    a ManaTools::Shared::urpmi_backend::DB object
+
+=cut
+
+#=============================================================
+has 'urpmi_db_backend' => (
+    is        => 'rw',
+    init_arg  => undef,
+    lazy    => 1,
+    builder => '_urpmi_db_backend_init',
+);
+
+sub _urpmi_db_backend_init {
+    my $self = shift;
+
+    return  ManaTools::Shared::urpmi_backend::DB->new(),
+}
+
+
+has 'loc' => (
+        is       => 'rw',
+        lazy     => 1,
+        init_arg => undef,
+        builder  => '_localeInitialize'
+);
+
+sub _localeInitialize {
+    my $self = shift;
+
+    my $cmdline    = new yui::YCommandLine;
+    my $locale_dir = undef;
+    my $pos        = $cmdline->find("--locales-dir");
+    if ($pos > 0)
+    {
+       $locale_dir = $cmdline->arg($pos+1);
+    }
+    $self->loc(
+        ManaTools::Shared::Locales->new(
+            domain_name => 'manatools',
+            dir_name    => $locale_dir,
+        )
+    );
+}
+
+#=============================================================
+
+=head2 get_update_medias
+
+=head3 INPUT
+
+    $urpm: an urpm object
+
+=head3 DESCRIPTION
+
+    This method returns a list of update media
+    (here for convenience, implemented in
+    ManaTools::Shared::urpmi_backend::DB)
+
+=cut
+
+#=============================================================
+sub get_update_medias {
+    my ($self, $urpm) = @_;
+
+    $self->urpmi_db_backend()->get_update_medias($urpm);
+}
+
+#=============================================================
+
+=head2 ensure_utf8
+
+=head3 INPUT
+
+    text: a string that is converted or left to utf8
+
+=head3 DESCRIPTION
+
+    This method ensure the given string is utf8
+=cut
+
+#=============================================================
+sub ensure_utf8 {
+    my ($self, $text) = @_;
+    return '' if !$text;
+
+    if (utf8::is_utf8($text)) {
+        utf8::valid($text) and return;
+        utf8::encode($text); #- disable utf8 flag
+        utf8::upgrade($text);
+    } else {
+        utf8::decode($text); #- try to set utf8 flag
+        utf8::valid($text) and return;
+        warn "do not know what to with $text\n";
+    }
+}
+
+#=============================================================
+
+=head2 rpm_description
+
+=head3 INPUT
+
+#     description: package description field
+
+=head3 DESCRIPTION
+
+    Retrieve the rpm desctiption
+
+=cut
+
+#=============================================================
+sub rpm_description {
+    my ($self, $description) = @_;
+    ensure_utf8($description);
+    my ($t, $tmp);
+    foreach (split "\n", $description) {
+        s/^\s*//;
+        if (/^$/ || /^\s*(-|\*|\+|o)\s/) {
+            $t || $tmp and $t .= "$tmp\n";
+            $tmp = $_;
+        } else {
+            $tmp = ($tmp ? "$tmp " : ($t && "\n") . $tmp) . $_;
+        }
+    }
+    "$t$tmp\n";
+}
+
+#=============================================================
+
+=head2 urpm_name
+
+=head3 INPUT
+
+    $pkg: package
+
+=head3 DESCRIPTION
+
+    This method returns the urpm format name e.g.
+    name-version-release.arch
+
+=cut
+
+#=============================================================
+sub urpm_name {
+    my ($self, $pkg) = @_;
+
+    return '?-?-?.?' unless ref($pkg) eq 'URPM::Package';
+#     my ($name, $version, $release, $arch) = $pkg->fullname;
+#     return "$name-$version-$release.$arch";
+
+    return scalar $pkg->fullname;
+}
+
+#=============================================================
+
+=head2 is_package_installed
+
+=head3 INPUT
+
+    $package: package to find (URPM::Package) or package name
+
+=head3 DESCRIPTION
+
+    This method returns if a package is installed
+
+=cut
+
+#=============================================================
+sub is_package_installed {
+    my ($self, $pkg) = @_;
+
+    my $installed = 0;
+    my $db = $self->urpmi_db_backend()->open_rpm_db();
+    if (ref($pkg) eq 'URPM::Package') {
+        $installed = URPM::is_package_installed(URPM::DB::open(), $pkg);
+    }
+    else {
+        my $version = 0;
+        $db->traverse_tag_find('name', $pkg, sub { $version = $_[0]->EVR; return ($version ? 1 : 0) });
+        $installed = $version ? 1 : 0;
+    }
+
+    return $installed;
+}
+
+#=============================================================
+
+=head2 find_installed_fullname
+
+=head3 INPUT
+
+    $package: package to find (URPM::Package) or package name
+
+=head3 DESCRIPTION
+
+    This method returns the full name of the package if installed
+
+=cut
+
+#=============================================================
+sub find_installed_fullname {
+  my ($self, $p) = @_;
+
+  # we can call it with the name or packge
+  my $name = ref($p) eq 'URPM::Package' ? $p->name : $p;
+
+  my @fullname;
+  my $db = $self->urpmi_db_backend()->open_rpm_db();
+  $db->traverse_tag('name', [ $name ], sub { push @fullname, scalar($_[0]->fullname) });
+
+  return @fullname ? join(',', sort @fullname) : "";
+}
+
+
+#=============================================================
+
+=head2 is_mageia
+
+=head3 DESCRIPTION
+
+    This method returns if the system is mageia linux
+
+=cut
+
+#=============================================================
+sub is_mageia {
+    my $self = shift;
+    cat_('/etc/release') =~ /Mageia/;
+}
+
+#=============================================================
+
+=head2 vendor
+
+=head3 DESCRIPTION
+
+    This method returns if the vendor is mageia or mandriva
+
+=cut
+
+#=============================================================
+sub vendor {
+    my $self = shift;
+
+    is_mageia() ? "mageia" : "mandriva";
+}
+
+#=============================================================
+
+=head2 get_package_id
+
+=head3 INPUT
+
+    $package: package (URPM::Package)
+
+=head3 DESCRIPTION
+
+    This method returns the package id meant as
+    (name;version-release;arch;vendor)
+
+=cut
+
+#=============================================================
+sub get_package_id {
+  my ($self, $pkg) = @_;
+
+  return '?;?-?;?;?' unless ref($pkg) eq 'URPM::Package';
+
+  return join(';', $pkg->name, $pkg->version . "-" . $pkg->release, $pkg->arch, $self->vendor());
+}
+
+
+#=============================================================
+
+=head2 get_package_id
+
+=head3 INPUT
+
+    $p:     package (URPM::Package)
+    $urpm:  urpm object
+
+=head3 DESCRIPTION
+
+    Returns the medium that contains the URPM::Package $pkg
+
+=cut
+
+#=============================================================
+sub pkg2medium {
+    my ($self, $p, $urpm) = @_;
+    return if ref($p) ne 'URPM::Package';
+
+    return { name => $self->loc()->N("None (installed)") } if !defined($p->id); # if installed
+
+    return URPM::pkg2media($urpm->{media}, $p) || { name => $self->loc()->N("Unknown"), fake => 1 };
+}
+
+#=============================================================
+
+=head2 fullname_to_package_id
+
+=head3 INPUT
+
+    $pkg_string: package fullname
+
+=head3 DESCRIPTION
+
+    Returns package id meant as "name;varsion-release;arch;vendor"
+
+=cut
+
+#=============================================================
+sub fullname_to_package_id {
+    # fullname, ie 'xeyes-1.0.1-5mdv2008.1.i586'
+    my ($self, $pkg_string) = @_;
+    chomp($pkg_string);
+    if ($pkg_string =~ /^(.*)-([^-]*)-([^-]*)\.([^\.]*)$/) {
+# TODO NOTE check package kit backend it seems the urpm package_id is "name;varsion-release;arch;vendor"
+        return join(';', $1, "$2-$3", $4, vendor());
+    }
+}
+
+#=============================================================
+
+=head2 get_package_by_package_id
+
+=head3 INPUT
+
+    $urpm:  urpm object
+    $package_id: package id (see fullname_to_package_id)
+
+=head3 DESCRIPTION
+
+    Returns URPM::Package package
+
+=cut
+
+#=============================================================
+sub get_package_by_package_id {
+    my ($self, $urpm, $package_id) = @_;
+    my @depslist = @{$urpm->{depslist}};
+    foreach (@depslist) {
+        if ($self->get_package_id($_) eq $package_id) {
+            return $_;
+        }
+    }
+
+    return;
+}
+
+#=============================================================
+
+=head2 get_installed_fullname_pkid
+
+    $pkg:     package (URPM::Package) or package name (string)
+
+
+=head3 DESCRIPTION
+
+    Returns package id of the given package
+
+=cut
+
+#=============================================================
+sub get_installed_fullname_pkid {
+    my ($self, $pkg) = @_;
+    my $pkgname = ref($pkg) eq 'URPM::Package' ? $pkg->name : $pkg;
+    my $db = $self->urpmi_db_backend()->open_rpm_db();
+    my $installed_pkid;
+    $db->traverse_tag_find('name', $pkgname, sub {
+        my ($p) = @_;
+        $installed_pkid = $self->get_package_id($p);
+    });
+    return $installed_pkid;
+}
+
+#=============================================================
+
+=head2 get_package_upgrade
+
+    $urpm:  urpm object
+    $pkg:   package (URPM::Package) or package name (string)
+
+
+=head3 DESCRIPTION
+
+    Returns package to upgrade
+
+=cut
+
+#=============================================================
+sub get_package_upgrade {
+    my ($self, $urpm, $pkg) = @_;
+
+    my $db = $self->urpmi_db_backend()->open_rpm_db();
+    $urpm->compute_installed_flags($db);
+    my @depslist = @{$urpm->{depslist}};
+    my $pkgname = ref($pkg) eq 'URPM::Package' ? $pkg->name : $pkg;
+
+    foreach (@depslist) {
+        if ($_->name =~ /^$pkgname$/ && $_->flag_upgrade) {
+            return $_;
+        }
+    }
+
+    return;
+}
+
+
+1;
\ No newline at end of file