/usr/share/perl5/Poet/Script.pm is in libpoet-perl 0.16-1.
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 | package Poet::Script;
$Poet::Script::VERSION = '0.16';
use Cwd qw(realpath);
use File::Spec::Functions qw(rel2abs);
use Method::Signatures::Simple;
use Poet::Environment;
use Poet::Tools qw(can_load dirname read_file);
use strict;
use warnings;
method import ($pkg:) {
unless ( Poet::Environment->current_env ) {
my $root_dir = determine_root_dir();
my $poet = initialize_with_root_dir($root_dir);
}
Poet::Environment->current_env->importer->export_to_level( 1, @_ );
}
func initialize_with_root_dir ($root_dir) {
my ($app_name) = ( read_file("$root_dir/.poet_root") =~ /app_name: (.*)/ )
or die "cannot find app_name in $root_dir/.poet_root";
return Poet::Environment->initialize_current_environment(
root_dir => $root_dir,
app_name => $app_name
);
}
func determine_root_dir () {
# Search for .poet_root upwards from current directory, using rel2abs
# first, then realpath.
#
my $path1 = dirname( rel2abs($0) );
my $path2 = dirname( realpath($0) );
my $root_dir = search_upward($path1) || search_upward($path2);
unless ( defined $root_dir ) {
die sprintf( "could not find .poet_root upwards from %s",
( $path1 eq $path2 ) ? "'$path1'" : "'$path1' or '$path2'" );
}
return $root_dir;
}
func search_upward ($path) {
my $count = 0;
while ( realpath($path) ne '/' && $count++ < 10 ) {
if ( -f "$path/.poet_root" ) {
return realpath($path);
last;
}
$path = dirname($path);
}
return undef;
}
1;
__END__
=pod
=head1 NAME
Poet::Script -- Intialize Poet for a script
=head1 SYNOPSIS
# In a script...
use Poet::Script qw($cache $conf $poet $log :file);
=head1 DESCRIPTION
This module is used to initialize Poet for a script. It does the following:
=over
=item *
Determines the environment root by looking upwards from the directory of the
current script until it finds the Poet marker file (C<.poet_root>).
=item *
Reads and parses configuration files.
=item *
Shifts the C<lib/> subdirectory of the environment root onto C<@INC>.
=item *
Imports the specified I<quick vars> and utility sets into the current package -
see L<Poet::Import|Poet::Import>.
=back
=head1 SEE ALSO
L<Poet|Poet>
=head1 AUTHOR
Jonathan Swartz <swartz@pobox.com>
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2012 by Jonathan Swartz.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
|