• NAME
• SYNOPSIS
• DESCRIPTION
• METHODS
  • new
  • exceptions
  • format
  • licenses
  • parse
  • reset
• ERRORS
• EXAMPLE
• DEPENDENCIES
• SEE ALSO
• REPOSITORY
• AUTHOR
• LICENSE AND COPYRIGHT
• VERSION

NAME

Fedora::RPM::Spec::License - Class for handle Fedora license string.

SYNOPSIS

 use Fedora::RPM::Spec::License;

 my $obj = Fedora::RPM::Spec::License->new(%params);
 my @exceptions = $obj->exceptions;
 my $fedora_license_format = $obj->format;
 my @licenses = $obj->licenses;
 $obj->parse($fedora_license_string);
 $obj->reset;

DESCRIPTION

Fedora license string is used in Fedora RPM spec files in License field. There are two versions of this string. One is old version and new one with SPDX identifiers.

METHODS

new

 my $obj = Fedora::RPM::Spec::License->new(%params);

Constructor.

Returns instance of object.

exceptions

 my @exceptions = $obj->exceptions;

Get exceptions used in the Fedora license string sorted alphabetically.

Returns array of strings.

format

 my $fedora_license_format = $obj->format;

Get Fedora license string format. Possible values:

 1 - Old RPM Fedora format.
 2 - New RPM Fedora format with SPDX license ids.

Returns number.

licenses

 my @licenses = $obj->licenses;

Get licenses used in the Fedora license string sorted alphabetically.

Returns array of strings.

parse

 $obj->parse($fedora_license_string);

Parse Fedora license string and set object internal structures. If string is valid for format 1 and 2 as well, format 2 is preferred. Example is 'MIT' license string.

Returns undef.

reset

 $obj->reset;

Reset object.

Returns undef.

ERRORS

 new():
         From Class::Utils::set_params():
                 Unknown parameter '%s'.

 format():
         No Fedora license string processed.

 licenses():
         No Fedora license string processed.

 parse():
         License '%s' isn't SPDX license.
         License '%s' isn't SPDX license exception.

EXAMPLE

 use strict;
 use warnings;

 use Fedora::RPM::Spec::License;

 if (@ARGV < 1) {
         print STDERR "Usage: $0 fedora_license_string\n";
         exit 1;
 }
 my $fedora_license_string = $ARGV[0];

 # Object.
 my $obj = Fedora::RPM::Spec::License->new;

 # Parse license.
 $obj->parse($fedora_license_string);

 # Print out.
 print "Fedora license string: $fedora_license_string\n";
 print 'Format: '.$obj->format."\n";
 print "Contain licenses:\n";
 print join "\n", map { '- '. $_ } $obj->licenses;
 print "\n";
 if ($obj->exceptions) {
         print "Contain exceptions:\n";
         print join "\n", map { '- '. $_ } $obj->exceptions;
         print "\n";
 }

 # Output with 'MIT' input:
 # Fedora license string: MIT
 # Format: 2
 # Contain licenses:
 # - MIT

 # Output with 'MIT AND FSFAP' input:
 # Fedora license string: MIT AND FSFAP
 # Format: 2
 # Contain licenses:
 # - FSFAP
 # - MIT

 # Output with '(GPL+ or Artistic) and Artistic 2.0 and (MIT or GPLv2)' input:
 # Fedora license string: (GPL+ or Artistic) and Artistic 2.0 and (MIT or GPLv2)
 # Format: 1
 # Contain licenses:
 # - Artistic
 # - Artistic 2.0
 # - GPL+
 # - GPLv2
 # - MIT

 # Output with 'LGPL-3.0-only WITH LGPL-3.0-linking-exception' input:
 # Fedora license string: LGPL-3.0-only WITH LGPL-3.0-linking-exception
 # Format: 2
 # Contain licenses:
 # - LGPL-3.0-only
 # Contain exceptions:
 # - LGPL-3.0-linking-exception

DEPENDENCIES

Class::Utils, English, Error::Pure, License::SPDX, List::Util, Parse::RecDescent, Readonly.

SEE ALSO

rpm-spec-license

Tool for working with RPM spec file licenses.

REPOSITORY

https://github.com/michal-josef-spacek/Fedora-RPM-Spec-License

AUTHOR

Michal Josef Špaček mailto:skim@cpan.org

http://skim.cz

LICENSE AND COPYRIGHT

© 2023 Michal Josef Špaček

BSD 2-Clause License

VERSION

0.03

cpanm Fedora::RPM::Spec::License

perl -MCPAN -e shell
install Fedora::RPM::Spec::License