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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
package Module::CPANTS::Kwalitee::Prereq;
use warnings;
use strict;
use File::Spec::Functions qw(catfile);
sub order { 100 }
##################################################################
# Analyse
##################################################################
sub analyse {
my $class=shift;
my $me=shift;
my $files=$me->d->{files_array};
my $distdir=$me->distdir;
my $prereq;
my $build;
my $optional;
my $yaml=$me->d->{meta_yml};
if ($yaml) {
if ($yaml->{requires}) {
$prereq=$yaml->{requires};
}
if ($yaml->{build_requires}) {
$build=$yaml->{build_requires};
}
if ($yaml->{recommends}) {
$optional=$yaml->{recommends};
}
$me->d->{got_prereq_from}='META.yml';
}
elsif (grep {/^Build\.PL$/} @$files) {
open(my $in, '<', catfile($distdir,'Build.PL')) || return 1;
my $m=join '', <$in>;
close $in;
my($requires) = $m =~ /(?<!_)requires.*?=>.*?\{(.*?)\}/s;
my($build_requires) = $m =~ /build_requires.*?=>.*?\{(.*?)\}/s;
my($optional_requires) = $m =~ /recommends.*?=>.*?\{(.*?)\}/s;
$me->d->{got_prereq_from}='Build.PL';
## no critic (ProhibitStringyEval)
eval "{ no strict; \$prereq = { $requires \n} }";
## no critic (ProhibitStringyEval)
eval "{ no strict; \$build = { $build_requires \n} }" if $build_requires;
## no critic (ProhibitStringyEval)
eval "{ no strict; \$optional = { $optional_requires \n} }" if $optional_requires;
}
else {
open(my $in, '<', catfile($distdir,'Makefile.PL')) || return 1;
my $m=join '', <$in>;
close $in;
$me->d->{got_prereq_from}='Makefile.PL';
my($requires) = $m =~ /PREREQ_PM.*?=>.*?\{(.*?)\}/s;
$requires||='';
## no critic (ProhibitStringyEval)
eval "{ no strict; \$prereq = { $requires \n} }";
}
return unless $prereq || $build || $optional;
my %all=(
prereq => $prereq,
build_prereq => $build,
optional_prereq => $optional
);
my @clean;
while (my ($type,$data)=each %all) {
next unless $data;
if (!ref $data) {
my $p={$data=>0};
$data=$p;
}
# sanitize version
while (my($requires,$version)=each %$data) {
$version||=0;
$version=0 unless $version=~/[\d\._]+/;
push(@clean,{
requires=>$requires,
version=>$version,
'is_'.$type=>1,
});
}
}
$me->d->{prereq}=\@clean;
return;
}
##################################################################
# Kwalitee Indicators
##################################################################
sub kwalitee_indicators{
return [
{
name=>'is_prereq',
error=>q{This distribution is not required by another distribution by another author.},
remedy=>q{Convince / force / bribe another CPAN author to use this distribution.},
code=>sub {
# this metric can only be run from within
# Module::CPANTS::ProcessCPAN
return 0;
},
needs_db=>1,
is_extra=>1,
},
{
name=>'prereq_matches_use',
error=>q{This distribution uses a module or a dist that's not listed as a prerequisite.},
remedy=>q{List all used modules in META.yml requires},
code=>sub {
# this metric can only be run from within
# Module::CPANTS::ProcessCPAN
return 0;
},
needs_db=>1,
is_extra=>1,
},
{
name=>'build_prereq_matches_use',
error=>q{This distribution uses a module or a dist in it's test suite that's not listed as a build prerequisite.},
remedy=>q{List all modules used in the test suite in META.yml build_requires},
code=>sub {
# this metric can only be run from within
# Module::CPANTS::ProcessCPAN
return 0;
},
needs_db=>1,
is_experimental=>1,
},
];
}
q{Favourite record of the moment:
Fat Freddys Drop: Based on a true story};
__END__
=encoding UTF-8
=head1 NAME
Module::CPANTS::Kwalitee::Prereq - Checks listed prerequistes
=head1 SYNOPSIS
Checks which other dists a dist declares as requirements.
=head1 DESCRIPTION
=head2 Methods
=head3 order
Defines the order in which Kwalitee tests should be run.
Returns C<100>.
=head3 analyse
C<MCK::Prereq> checks C<META.yml>, C<Build.PL> or C<Makefile.PL> for prereq-listings.
=head3 kwalitee_indicators
Returns the Kwalitee Indicators datastructure.
=over
=item * is_prereq (currently deactived)
=back
=head1 SEE ALSO
L<Module::CPANTS::Analyse>
=head1 AUTHOR
L<Thomas Klausner|https://metacpan.org/author/domm>
=head1 COPYRIGHT AND LICENSE
Copyright © 2003–2006, 2009 L<Thomas Klausner|https://metacpan.org/author/domm>
You may use and distribute this module according to the same terms
that Perl is distributed under.
|
