/usr/share/lintian/checks/python/code-analysis.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | # python::code-analysis -- 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::code_analysis;
use strict;
use warnings;
use v5.10; # for the // operator
use Cwd qw(getcwd);
use Lintian::Relation qw(:constants);
use Lintian::Tags qw(tag);
use Lintian::Util qw(fail locate_helper_tool);
use Lintian::Contrib::Python qw(classify_python_modules);
sub run {
my ($pkg, $type, $info, $proc) = @_;
my $version = $info->field('version');
my $depends = $info->relation('all');
my $srcpkg = $proc->pkg_src() // '';
my ($py2files, $py3files) = classify_python_modules($pkg, $info);
my $cwd = getcwd();
chdir $info->unpacked('.') or fail("cannot chdir to unpacked: $!");
my @pkginfo = ($pkg, $srcpkg, $version, $depends);
analyse(@pkginfo, $py2files, '/usr/bin/python', '-tt');
analyse(@pkginfo, $py3files, '/usr/bin/python3') if -x '/usr/bin/python3';
chdir $cwd or fail("cannot chdir back from unpacked: $!");
}
sub analyse {
my ($pkg, $srcpkg, $version, $depends, $files, @interpreter) = @_;
return unless @{$files};
open(my $fp, '-|', @interpreter, locate_helper_tool('python/code-analysis'), @{$files}) or fail("cannot execute code-analysis helper");
my $file;
while (<$fp>) {
if (m,^(\S+) (-|\d+)(?: (.+))?$,) {
my $tag = $1;
my $lineno = $2;
my $extra = $3;
my $message = $file;
if ($lineno ne '-') {
$message .= ":$lineno";
}
if (defined $extra) {
$message .= ": $extra";
}
if ($tag eq 'obsolete-pil-import' and $srcpkg eq 'python-imaging') {
next;
}
if ($tag eq 'embedded-code-copy') {
if ($extra =~ m,=> python(?:\s|$), and $srcpkg =~ m,^(?:python2\.\d+|jython|pypy)$,) {
next;
} else {
my ($depends) = $extra =~ m,=>\s*+(.++),;
if (not defined $depends) {
$depends = $extra;
}
my $self_relation = Lintian::Relation->new("$pkg (= $version)");
if ($self_relation->implies($depends)) {
next;
}
}
}
if ($tag eq 'missing-dependency-on-ply-virtual-package') {
my $vpkg = $extra;
my $depends_on_vpkg = 0;
$depends->visit(
sub {
if ($_ eq $vpkg) {
$depends_on_vpkg = 1;
}
}, VISIT_PRED_FULL
);
if (not $depends_on_vpkg) {
tag $tag, "$file => $vpkg";
}
next;
}
tag $tag, $message;
} elsif (m,^# (.+)$,) {
$file = $1;
} else {
chomp;
fail("unexpected output from code-analysis helper: $_");
}
}
close($fp) or fail("code-analysis helper failed");
}
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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