/usr/share/lintian/checks/python/pth.pm is in lintian4python 0.28.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | # python::pth -- lintian check script -*- perl -*-
#
# Copyright © 2011, 2012, 2013 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::python::pth;
use v5.10; # for the %+ hash
use strict;
use warnings;
use Lintian::Tags qw(tag);
use Lintian::Util qw(fail);
use Lintian::Contrib::Python qw(@dist_packages_re);
my $dist_packages_re = qr{
( $dist_packages_re[2] )
| ( $dist_packages_re[3] )
}x;
my @path_additions = map {
Lintian::Data->new("python$_-sys.path-additions", ' => ');
} (2..3);
unshift(@path_additions, undef, undef);
my $i;
my @path_additions_re = map {
my $result = undef;
if (defined $_) {
my @result = $_->all();
@result = map {
my $result = "(?P<addition>\Q$_\E)";
unless (m,^/,) {
$result = "$dist_packages_re[$i]/$result";
}
$result;
} @result;
if (@result) {
$result = join('|', @result);
$result = qr/$result/;
} else {
$result = qr/x\A/; # never matches anything
}
}
$i++;
$result;
} @path_additions;
sub run {
my ($package, $type, $info) = @_;
my $version = $info->field('version');
my %egg_versions = ();
my $depends = $info->relation('strong');
my $self_relation = Lintian::Relation->new("$package (= $version)");
my %required_depends = ();
for my $file ($info->sorted_index) {
next unless $info->index($file)->type eq '-';
if ($file =~ m,^$dist_packages_re/([^/]+)[.]pth$,) {
open(my $fh, '<', $info->unpacked($file)) or fail("cannot open .pth file: $!");
while (<$fh>) {
if (m,^import[ \t],) {
# executable import statements
# TODO: allow setuptools magic, but discourage anything else
} else {
chomp;
tag 'pth-file-modifies-sys.path', $file, $_;
}
}
close($fh);
} else {
for my $version (2, 3) {
if ($file =~ m,^$path_additions_re[$version],) {
my $addition = $+{'addition'};
my $rd = $path_additions[$version]->value($addition);
$required_depends{$rd} = "$addition => $rd";
last;
}
}
}
}
foreach my $rd (sort keys %required_depends) {
next if $self_relation->implies($rd);
next if $depends->implies($rd);
tag 'misssing-dependency-for-sys.path-addition', $required_depends{$rd};
}
}
1;
# Local Variables:
# indent-tabs-mode: nil
# cperl-indent-level: 4
# End:
# vim: syntax=perl sw=4 sts=4 sr et
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