X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/02b9f69ba5da59cca9ff198b731d63d643fff4db..c99369cdbe2efae595d4621384362002646113ad:/IkiWiki/Plugin/aggregate.pm

diff --git a/IkiWiki/Plugin/aggregate.pm b/IkiWiki/Plugin/aggregate.pm
index bb5edfa65..0869d6d8f 100644
--- a/IkiWiki/Plugin/aggregate.pm
+++ b/IkiWiki/Plugin/aggregate.pm
@@ -4,7 +4,7 @@ package IkiWiki::Plugin::aggregate;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 2.00;
 use HTML::Entities;
 use HTML::Parser;
 use HTML::Tagset;
@@ -17,7 +17,7 @@ my %guids;
 sub import { #{{{
 	hook(type => "getopt", id => "aggregate", call => \&getopt);
 	hook(type => "checkconfig", id => "aggregate", call => \&checkconfig);
-	hook(type => "filter", id => "aggregate", call => \&filter);
+	hook(type => "needsbuild", id => "aggregate", call => \&needsbuild);
 	hook(type => "preprocess", id => "aggregate", call => \&preprocess);
         hook(type => "delete", id => "aggregate", call => \&delete);
 	hook(type => "savestate", id => "aggregate", call => \&savestate);
@@ -31,27 +31,35 @@ sub getopt () { #{{{
 } #}}}
 
 sub checkconfig () { #{{{
-	my $nolock=($config{post_commit} && ! IkiWiki::commit_hook_enabled());
-	IkiWiki::lockwiki() unless $nolock;
-	loadstate();
-	if ($config{aggregate} && ! $nolock) {
+	if ($config{aggregate} && ! ($config{post_commit} && 
+	                             IkiWiki::commit_hook_enabled())) {
+		if (! IkiWiki::lockwiki(0)) {
+			debug("wiki is locked by another process, not aggregating");
+			exit 1;
+		}
+	
+		loadstate();
 		IkiWiki::loadindex();
 		aggregate();
 		expire();
 		savestate();
+		clearstate();
+
+		IkiWiki::unlockwiki();
 	}
-	IkiWiki::unlockwiki() unless $nolock;
 } #}}}
 
-sub filter (@) { #{{{
-	my %params=@_;
-	my $page=$params{page};
+sub needsbuild (@) { #{{{
+	my $needsbuild=shift;
 
-	# Mark all feeds originating on this page as removable;
-	# preprocess will unmark those that still exist.
-	remove_feeds($page);
-
-	return $params{content};
+	foreach my $page (keys %pagestate) {
+		if (grep { $_ eq $pagesources{$page} } @$needsbuild) {
+			loadstate(); # if not already loaded
+			# Mark all feeds originating on this page as removable;
+			# preprocess will unmark those that still exist.
+			remove_feeds($page);
+		}
+	}
 } # }}}
 
 sub preprocess (@) { #{{{
@@ -117,10 +125,12 @@ sub delete (@) { #{{{
 	}
 } #}}}
 
+my $state_loaded=0;
 sub loadstate () { #{{{
+	return if $state_loaded;
 	if (-e "$config{wikistatedir}/aggregate") {
-		open (IN, "$config{wikistatedir}/aggregate" ||
-			die "$config{wikistatedir}/aggregate: $!");
+		open(IN, "$config{wikistatedir}/aggregate") ||
+			die "$config{wikistatedir}/aggregate: $!";
 		while (<IN>) {
 			$_=IkiWiki::possibly_foolish_untaint($_);
 			chomp;
@@ -148,6 +158,8 @@ sub loadstate () { #{{{
 		}
 
 		close IN;
+		
+		$state_loaded=1;
 	}
 } #}}}
 
@@ -199,10 +211,17 @@ sub savestate () { #{{{
 		error("rename $newfile: $!", $cleanup);
 } #}}}
 
+sub clearstate () { #{{{
+	%feeds=();
+	%guids=();
+	$state_loaded=0;
+} #}}}
+
 sub expire () { #{{{
 	foreach my $feed (values %feeds) {
 		next unless $feed->{expireage} || $feed->{expirecount};
 		my $count=0;
+		my %seen;
 		foreach my $item (sort { $IkiWiki::pagectime{$b->{page}} <=> $IkiWiki::pagectime{$a->{page}} }
 		                  grep { exists $_->{page} && $_->{feed} eq $feed->{name} && $IkiWiki::pagectime{$_->{page}} }
 		                  values %guids) {
@@ -220,7 +239,10 @@ sub expire () { #{{{
 				$item->{expired}=1;
 			}
 			else {
-				$count++;
+				if (! $seen{$item->{page}}) {
+					$seen{$item->{page}}=1;
+					$count++;
+				}
 			}
 		}
 	}
@@ -229,6 +251,8 @@ sub expire () { #{{{
 sub aggregate () { #{{{
 	eval q{use XML::Feed};
 	error($@) if $@;
+	eval q{use URI::Fetch};
+	error($@) if $@;
 	eval q{use HTML::Entities};
 	error($@) if $@;
 
@@ -237,6 +261,9 @@ sub aggregate () { #{{{
 			time - $feed->{lastupdate} >= $feed->{updateinterval};
 		$feed->{lastupdate}=time;
 		$feed->{newposts}=0;
+		$feed->{message}=sprintf(gettext("processed ok at %s"),
+			displaytime($feed->{lastupdate}));
+		$feed->{error}=0;
 		$IkiWiki::forcerebuild{$feed->{sourcepage}}=1;
 
 		debug(sprintf(gettext("checking feed %s ..."), $feed->{name}));
@@ -251,7 +278,29 @@ sub aggregate () { #{{{
 			}
 			$feed->{feedurl}=pop @urls;
 		}
-		my $f=eval{XML::Feed->parse(URI->new($feed->{feedurl}))};
+		my $res=URI::Fetch->fetch($feed->{feedurl});
+		if (! $res) {
+			$feed->{message}=URI::Fetch->errstr;
+			$feed->{error}=1;
+			debug($feed->{message});
+			next;
+		}
+		if ($res->status == URI::Fetch::URI_GONE()) {
+			$feed->{message}=gettext("feed not found");
+			$feed->{error}=1;
+			debug($feed->{message});
+			next;
+		}
+		my $content=$res->content;
+		my $f=eval{XML::Feed->parse(\$content)};
+		if ($@) {
+			# One common cause of XML::Feed crashing is a feed
+			# that contains invalid UTF-8 sequences. Convert
+			# feed to ascii to try to work around.
+			$feed->{message}.=" ".sprintf(gettext("(invalid UTF-8 stripped from feed)"));
+			$content=Encode::decode_utf8($content);
+			$f=eval{XML::Feed->parse(\$content)};
+		}
 		if ($@) {
 			$feed->{message}=gettext("feed crashed XML::Feed!")." ($@)";
 			$feed->{error}=1;
@@ -270,15 +319,11 @@ sub aggregate () { #{{{
 				feed => $feed,
 				title => defined $entry->title ? decode_entities($entry->title) : "untitled",
 				link => $entry->link,
-				content => $entry->content->body,
+				content => defined $entry->content->body ? $entry->content->body : "",
 				guid => defined $entry->id ? $entry->id : time."_".$feed->name,
 				ctime => $entry->issued ? ($entry->issued->epoch || time) : time,
 			);
 		}
-
-		$feed->{message}=sprintf(gettext("processed ok at %s"),
-			displaytime($feed->{lastupdate}));
-		$feed->{error}=0;
 	}
 } #}}}
 
@@ -319,7 +364,6 @@ sub add_page (@) { #{{{
 
 		# Make sure that the file name isn't too long. 
 		# NB: This doesn't check for path length limits.
-		eval q{use POSIX};
 		my $max=POSIX::pathconf($config{srcdir}, &POSIX::_PC_NAME_MAX);
 		if (defined $max && length(htmlfn($page)) >= $max) {
 			$c="";
@@ -432,11 +476,11 @@ sub remove_feeds () { #{{{
 sub pagefile ($) { #{{{
 	my $page=shift;
 
-	return "$config{srcdir}/".htmlpage($page);
+	return "$config{srcdir}/".htmlfn($page);
 } #}}}
 
 sub htmlfn ($) { #{{{
-	return shift().".html";
+	return shift().".".$config{htmlext};
 } #}}}
 
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