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dpavlin |
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package WebPAC::Output::MARC; |
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use warnings; |
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use strict; |
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use base qw/WebPAC::Common/; |
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use MARC::Record 2.0; # need 2.0 for utf-8 encoding see marcpm.sf.net |
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use MARC::Lint; |
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use Data::Dump qw/dump/; |
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=head1 NAME |
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WebPAC::Output::MARC - Create MARC records from C<marc_*> normalisation rules |
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=head1 VERSION |
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Version 0.01 |
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=cut |
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our $VERSION = '0.01'; |
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=head1 SYNOPSIS |
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Create MARC records from C<marc_*> normalisation rules described in |
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L<WebPAC::Normalize>. |
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=head1 FUNCTIONS |
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=head2 new |
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my $marc = new WebPAC::Output::MARC( |
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path => '/path/to/output.marc', |
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encoding => 'utf-8', |
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lint => 1, |
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dump => 0, |
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) |
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=cut |
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sub new { |
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my $class = shift; |
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my $self = {@_}; |
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bless($self, $class); |
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my $log = $self->_get_logger; |
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if ($self->{lint}) { |
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$self->{lint}= new MARC::Lint or |
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$log->warn("Can't create MARC::Lint object, linting is disabled"); |
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} |
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if (my $path = $self->{path}) { |
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open($self->{fh}, '>', $path) || |
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$log->logdie("can't open MARC output $path: $!"); |
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$log->info("Creating MARC export file $path", $self->{lint} ? ' (with lint)' : '', "\n"); |
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} else { |
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$log->logconfess("new called without path"); |
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} |
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$self->{encoding} ||= 'utf-8'; |
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$self ? return $self : return undef; |
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} |
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=head2 add |
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$marc->add( |
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id => $mfn, |
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fields => WebPAC::Normalize::_get_marc_fields(), |
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leader => WebPAC::Normalize::marc_leader(), |
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row => $row, |
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); |
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C<row> is optional parametar which is used when dumping original row to |
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error log. |
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=cut |
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sub add { |
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my $self = shift; |
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my $arg = {@_}; |
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my $log = $self->_get_logger; |
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$log->logconfess("add needs fields and id arguments") |
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unless ($arg->{fields} && defined $arg->{id}); |
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my $marc = new MARC::Record; |
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$marc->encoding( $self->{encoding} ); |
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my $id = $self->{id}; |
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$log->logconfess("fields isn't array") unless (ref($arg->{fields}) eq 'ARRAY'); |
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$marc->add_fields( @{ $arg->{fields} } ); |
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# tweak leader |
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if (my $new_l = $arg->{leader}) { |
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my $leader = $marc->leader; |
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foreach my $o ( keys %$new_l ) { |
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my $insert = $new_l->{$o}; |
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$leader = substr($leader, 0, $o) . |
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$insert . substr($leader, $o+length($insert)); |
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} |
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$marc->leader( $leader ); |
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} |
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if ($self->{lint}) { |
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$self->{lint}->check_record( $marc ); |
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my @w = $self->{lint}->warnings; |
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if (@w) { |
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$log->error("MARC lint detected warning on record $id\n", |
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"<<<<< Original imput row:\n",dump($arg->{row}), "\n", |
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">>>>> Normalized MARC row: leader: [", $marc->leader(), "]\n", dump( $arg->{fields} ), "\n", |
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"!!!!! MARC lint warnings:\n",join("\n",@w),"\n" |
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); |
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map { $self->{_marc_lint_warnings}->{$_}++ } @w; |
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} |
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} |
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if ($self->{dump}) { |
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$log->info("MARC record on record $id\n", |
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"<<<<< Original imput row:\n",dump($self->{row}), "\n", |
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">>>>> Normalized MARC row: leader: [", $marc->leader(), "]\n", dump( $arg->{fields} ), "\n", |
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); |
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} |
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print {$self->{fh}} $marc->as_usmarc; |
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} |
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=head2 finish |
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Close MARC output file |
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$marc->finish; |
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It will also dump MARC lint warnings summary if called with C<lint>. |
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=cut |
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sub finish { |
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my $self = shift; |
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my $log = $self->get_logger; |
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close( $self->{fh} ) or $log->logdie("can't close ", $self->{path}, ": $!"); |
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if (my $w = $self->{_marc_lint_warnings}) { |
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$log->error("MARC lint warnings summary:\n", |
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join ("\n", |
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map { $w->{$_} . "\t" . $_ } |
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sort { $w->{$b} <=> $w->{$a} } keys %$w |
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) |
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); |
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} |
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} |
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=head1 AUTHOR |
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Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >> |
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=head1 COPYRIGHT & LICENSE |
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Copyright 2006 Dobrica Pavlinusic, All Rights Reserved. |
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This program is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
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=cut |
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1; # End of WebPAC::Output::MARC |
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