# python-pth -- lintian check script -*- perl -*-
#
# Copyright © 2011 Jakub Wilk
#
# 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, you can find it on the World Wide
# Web at http://www.gnu.org/copyleft/gpl.html, or write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301, USA.

package Lintian::pth;

use strict;
use warnings;

use Lintian::Tags qw(tag);
use Util;

sub run {

my ($pkg, $type, $info) = @_;

my $version = $info->field('version');
my %egg_versions = ();
my $index = $info->index;
my $depends = $info->relation('strong');
for my $file (@{$info->sorted_index}) {
    next if $index->{$file}->{link};
    if ($file =~ m,usr/(?:lib/python[23](?:\.\d+)?/(?:site|dist)-packages|share/(?:pyshared|python-support/[^/]+))/([^/]+)[.]pth$,) {
        open(PTH, '<', $info->unpacked($file)) or fail("cannot open .pth file: $!");
        while (<PTH>) {
            if (m,^import[ \t],) {
                # executable import statements
                # TODO: allow setuptools magic, but discourage anything else
            } else {
                chomp;
                tag 'pth-file-modifies-sys.path', $file, $_;
            }
        }
    }
}

}

1;

# Local Variables:
# indent-tabs-mode: nil
# cperl-indent-level: 4
# End:
# vim: syntax=perl sw=4 sts=4 sr et
