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#!/usr/bin/perl |
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|
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use warnings; |
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use strict; |
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|
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package Grep::Source::MoinMoin; |
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|
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=head1 NAME |
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|
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Grep::Source::MoinMoin - scraper for MoinMoin wiki search results |
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|
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=cut |
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|
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use HTML::TreeBuilder; |
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use WWW::Mechanize; |
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use XML::Feed; |
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|
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=head2 content_have |
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|
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Return regex to match against content |
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|
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=cut |
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|
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sub content_have { |
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qr/MoinMoin/ |
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} |
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|
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=head2 fetch |
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|
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$plugin->fetch( $source ); |
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|
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=cut |
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|
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sub fetch { |
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my $self = shift; |
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|
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my $parent = shift; |
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my ($feed,$uri,$q) = ($parent->feed, $parent->uri,$parent->q); |
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die "no uri" unless ($uri); |
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die "feed is not a Grep::Model::Feed but ", ref $feed unless $feed->isa('Grep::Model::Feed'); |
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|
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my $mech = WWW::Mechanize->new(); |
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|
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$mech->get( $uri ); |
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|
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warn "submit $self form on $uri\n"; |
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|
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$mech->submit_form( |
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fields => { |
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value => $q, |
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}, |
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button => 'fullsearch', |
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) or die "can't $self submit"; |
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|
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warn "parse result page\n"; |
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|
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my $tree = HTML::TreeBuilder->new or die "can't create html tree"; |
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$tree->parse( $mech->content ) or die "can't parse fetched content"; |
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|
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my $div = $tree->look_down( '_tag', 'div', sub { |
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( $_[0]->attr('class') || '' ) eq 'searchresults' |
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}); |
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|
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die "can't find div with class searchresults" unless ( $div ); |
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|
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my $max = 5; |
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my $nr = 1; |
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|
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my $base_uri = $uri; |
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$base_uri =~ s!\?.*$!!; |
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|
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foreach my $dt ( $div->look_down( '_tag', 'dt' ) ) { |
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my $a = $dt->look_down( '_tag', 'a', sub { $_[0]->attr('href') } ); |
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if ( $a ) { |
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|
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my $page_uri = $base_uri . $a->attr('href'); |
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$page_uri =~ s!\Q?highlight=\E.*$!!; |
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|
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warn "fetching page: ",$a->as_text," from $page_uri\n"; |
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if ( $mech->follow_link( url => $a->attr('href') ) ) { |
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|
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my $page_tree = HTML::TreeBuilder->new or die "can't create page tree"; |
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$page_tree->parse( $mech->content ) or die "can't parse page at $page_uri"; |
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|
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my $div = $page_tree->look_down( '_tag', 'div', sub { ( $_[0]->attr('id') || '' ) eq 'page' } ); |
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|
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die "can't find <div id=page>" unless ($div); |
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|
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$parent->add_record( |
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in_feed => $feed, |
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title => $mech->title, |
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link => $page_uri, |
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content => $div->as_HTML, |
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# summary => |
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# category => |
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# author => |
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# issued => |
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# modified => |
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); |
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|
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$mech->back; |
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|
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} else { |
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warn "can't follow uri $page_uri: $!\n"; |
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} |
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} |
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|
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last if ($nr == $max); |
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$nr++; |
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} |
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|
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$tree->delete; # clear memory! |
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|
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} |
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|
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1; |