#!/usr/bin/perl
# .po as a wiki page type
+# Licensed under GPL v2 or greater
+# Copyright (C) 2008 intrigeri <intrigeri@boum.org>
# inspired by the GPL'd po4a-translate,
# which is Copyright 2002, 2003, 2004 by Martin Quinson (mquinson#debian.org)
package IkiWiki::Plugin::po;
use IkiWiki 2.00;
use Encode;
use Locale::Po4a::Chooser;
+use Locale::Po4a::Po;
+use File::Basename;
+use File::Copy;
+use File::Spec;
use File::Temp;
+use Memoize;
-sub import {
+my %translations;
+my @origneedsbuild;
+our %filtered;
+
+memoize("_istranslation");
+memoize("percenttranslated");
+# FIXME: memoizing istranslatable() makes some test cases fail once every
+# two tries; this may be related to the artificial way the testsuite is
+# run, or not.
+# memoize("istranslatable");
+
+# backup references to subs that will be overriden
+my %origsubs;
+
+sub import { #{{{
hook(type => "getsetup", id => "po", call => \&getsetup);
hook(type => "checkconfig", id => "po", call => \&checkconfig);
- hook(type => "scan", id => "po", call => \&scan);
- hook(type => "targetpage", id => "po", call => \&targetpage);
- hook(type => "tweakurlpath", id => "po", call => \&tweakurlpath);
- hook(type => "tweakbestlink", id => "po", call => \&tweakbestlink);
+ hook(type => "needsbuild", id => "po", call => \&needsbuild);
hook(type => "filter", id => "po", call => \&filter);
hook(type => "htmlize", id => "po", call => \&htmlize);
-}
+ hook(type => "pagetemplate", id => "po", call => \&pagetemplate, last => 1);
+ hook(type => "change", id => "po", call => \&change);
+ hook(type => "editcontent", id => "po", call => \&editcontent);
+
+ $origsubs{'bestlink'}=\&IkiWiki::bestlink;
+ inject(name => "IkiWiki::bestlink", call => \&mybestlink);
+ $origsubs{'beautify_urlpath'}=\&IkiWiki::beautify_urlpath;
+ inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath);
+ $origsubs{'targetpage'}=\&IkiWiki::targetpage;
+ inject(name => "IkiWiki::targetpage", call => \&mytargetpage);
+} #}}}
sub getsetup () { #{{{
return
plugin => {
safe => 0,
- rebuild => 1, # format plugin
+ rebuild => 1, # format plugin & changes html filenames
},
po_master_language => {
type => "string",
},
po_slave_languages => {
type => "string",
- example => {'fr' => { 'name' => 'Français' },
- 'es' => { 'name' => 'Castellano' },
- 'de' => { 'name' => 'Deutsch' },
+ example => {
+ 'fr' => 'Français',
+ 'es' => 'Castellano',
+ 'de' => 'Deutsch'
},
description => "slave languages (PO files)",
safe => 1,
},
} #}}}
+sub islanguagecode ($) { #{{{
+ my $code=shift;
+ return ($code =~ /^[a-z]{2}$/);
+} #}}}
+
sub checkconfig () { #{{{
foreach my $field (qw{po_master_language po_slave_languages}) {
if (! exists $config{$field} || ! defined $config{$field}) {
error(sprintf(gettext("Must specify %s"), $field));
}
}
- if (! exists $config{po_link_to} ||
- ! defined $config{po_link_to}) {
- $config{po_link_to}="default";
+ if (! (keys %{$config{po_slave_languages}})) {
+ error(gettext("At least one slave language must be defined in po_slave_languages"));
}
+ map {
+ islanguagecode($_)
+ or error(sprintf(gettext("%s is not a valid language code"), $_));
+ } ($config{po_master_language}{code}, keys %{$config{po_slave_languages}});
if (! exists $config{po_translatable_pages} ||
! defined $config{po_translatable_pages}) {
- $config{po_translatable_pages}="";
+ $config{po_translatable_pages}="";
}
- if ($config{po_link_to} eq "negotiated" && ! $config{usedirs}) {
- error(gettext("po_link_to=negotiated requires usedirs to be set"));
+ if (! exists $config{po_link_to} ||
+ ! defined $config{po_link_to}) {
+ $config{po_link_to}='default';
+ }
+ elsif (! grep {
+ $config{po_link_to} eq $_
+ } ('default', 'current', 'negotiated')) {
+ warn(sprintf(gettext('po_link_to=%s is not a valid setting, falling back to po_link_to=default'),
+ $config{po_link_to}));
+ $config{po_link_to}='default';
}
+ elsif ($config{po_link_to} eq "negotiated" && ! $config{usedirs}) {
+ warn(gettext('po_link_to=negotiated requires usedirs to be enabled, falling back to po_link_to=default'));
+ $config{po_link_to}='default';
+ }
+ push @{$config{wiki_file_prune_regexps}}, qr/\.pot$/;
} #}}}
-sub scan (@) { #{{{
- my %params=@_;
- my $page=$params{page};
+sub potfile ($) { #{{{
+ my $masterfile=shift;
- # FIXME: cache (or memoize) the list of translatable/translation pages,
- # and/or istranslation/istranslated results
+ (my $name, my $dir, my $suffix) = fileparse($masterfile, qr/\.[^.]*/);
+ $dir='' if $dir eq './';
+ return File::Spec->catpath('', $dir, $name . ".pot");
} #}}}
-sub targetpage (@) { #{{{
- my %params = @_;
- my $page=$params{page};
- my $ext=$params{ext};
+sub pofile ($$) { #{{{
+ my $masterfile=shift;
+ my $lang=shift;
+
+ (my $name, my $dir, my $suffix) = fileparse($masterfile, qr/\.[^.]*/);
+ $dir='' if $dir eq './';
+ return File::Spec->catpath('', $dir, $name . "." . $lang . ".po");
+} #}}}
+
+sub refreshpot ($) { #{{{
+ my $masterfile=shift;
+
+ my $potfile=potfile($masterfile);
+ my %options = ("markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0);
+ my $doc=Locale::Po4a::Chooser::new('text',%options);
+ $doc->read($masterfile);
+ $doc->{TT}{utf_mode} = 1;
+ $doc->{TT}{file_in_charset} = 'utf-8';
+ $doc->{TT}{file_out_charset} = 'utf-8';
+ # let's cheat a bit to force porefs option to be passed to Locale::Po4a::Po;
+ # this is undocument use of internal Locale::Po4a::TransTractor's data,
+ # compulsory since this module prevents us from using the porefs option.
+ my %po_options = ('porefs' => 'none');
+ $doc->{TT}{po_out}=Locale::Po4a::Po->new(\%po_options);
+ $doc->{TT}{po_out}->set_charset('utf-8');
+ # do the actual work
+ $doc->parse;
+ IkiWiki::prep_writefile(basename($potfile),dirname($potfile));
+ $doc->writepo($potfile);
+} #}}}
+
+sub refreshpofiles ($@) { #{{{
+ my $masterfile=shift;
+ my @pofiles=@_;
+
+ my $potfile=potfile($masterfile);
+ error("[po/refreshpofiles] POT file ($potfile) does not exist") unless (-e $potfile);
+
+ foreach my $pofile (@pofiles) {
+ IkiWiki::prep_writefile(basename($pofile),dirname($pofile));
+ if (-e $pofile) {
+ system("msgmerge", "-U", "--backup=none", $pofile, $potfile) == 0
+ or error("[po/refreshpofiles:$pofile] failed to update");
+ }
+ else {
+ File::Copy::syscopy($potfile,$pofile)
+ or error("[po/refreshpofiles:$pofile] failed to copy the POT file");
+ }
+ }
+} #}}}
+
+sub needsbuild () { #{{{
+ my $needsbuild=shift;
+
+ # backup @needsbuild content so that change() can know whether
+ # a given master page was rendered because its source file was changed
+ @origneedsbuild=(@$needsbuild);
+
+ # build %translations, using istranslation's side-effect
+ map istranslation($_), (keys %pagesources);
+
+ # make existing translations depend on the corresponding master page
+ foreach my $master (keys %translations) {
+ foreach my $slave (values %{$translations{$master}}) {
+ add_depends($slave, $master);
+ }
+ }
+} #}}}
+
+sub mytargetpage ($$) { #{{{
+ my $page=shift;
+ my $ext=shift;
if (istranslation($page)) {
my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
- if (! $config{usedirs} || $page eq 'index') {
+ if (! $config{usedirs} || $masterpage eq 'index') {
return $masterpage . "." . $lang . "." . $ext;
}
else {
return $page . "/index." . $config{po_master_language}{code} . "." . $ext;
}
}
- return;
+ return $origsubs{'targetpage'}->($page, $ext);
} #}}}
-sub tweakurlpath ($) { #{{{
- my %params = @_;
- my $url=$params{url};
+sub mybeautify_urlpath ($) { #{{{
+ my $url=shift;
+
+ my $res=$origsubs{'beautify_urlpath'}->($url);
if ($config{po_link_to} eq "negotiated") {
- $url =~ s!/index.$config{po_master_language}{code}.$config{htmlext}$!/!;
+ $res =~ s!/\Qindex.$config{po_master_language}{code}.$config{htmlext}\E$!/!;
}
- return $url;
+ return $res;
} #}}}
-sub tweakbestlink ($$) { #{{{
- my %params = @_;
- my $page=$params{page};
- my $link=$params{link};
- if ($config{po_link_to} eq "current"
- && istranslatable($link)
- && istranslation($page)) {
- my ($masterpage, $curlang) = ($page =~ /(.*)[.]([a-z]{2})$/);
- return $link . "." . $curlang;
+sub urlto_with_orig_beautiful_urlpath($$) { #{{{
+ my $to=shift;
+ my $from=shift;
+
+ inject(name => "IkiWiki::beautify_urlpath", call => $origsubs{'beautify_urlpath'});
+ my $res=urlto($to, $from);
+ inject(name => "IkiWiki::beautify_urlpath", call => \&mybeautify_urlpath);
+
+ return $res;
+} #}}}
+
+sub mybestlink ($$) { #{{{
+ my $page=shift;
+ my $link=shift;
+
+ my $res=$origsubs{'bestlink'}->($page, $link);
+ if (length $res) {
+ if ($config{po_link_to} eq "current"
+ && istranslatable($res)
+ && istranslation($page)) {
+ my ($masterpage, $curlang) = ($page =~ /(.*)[.]([a-z]{2})$/);
+ return $res . "." . $curlang;
+ }
+ else {
+ return $res;
+ }
}
- return $link;
+ return "";
} #}}}
-# We use filter to convert PO to the master page's type,
-# since other plugins should not work on PO files
+# We use filter to convert PO to the master page's format,
+# since the rest of ikiwiki should not work on PO files.
sub filter (@) { #{{{
my %params = @_;
+
my $page = $params{page};
+ my $destpage = $params{destpage};
my $content = decode_utf8(encode_utf8($params{content}));
- # decide if this is a PO file that should be converted into a translated document,
- # and perform various sanity checks
- if (! istranslation($page)) {
- return $content;
- }
+ return $content if ( ! istranslation($page)
+ || ( exists $filtered{$page}{$destpage}
+ && $filtered{$page}{$destpage} eq 1 ));
+
+ # CRLF line terminators make poor Locale::Po4a feel bad
+ $content=~s/\r\n/\n/g;
+
+ # Implementation notes
+ #
+ # 1. Locale::Po4a reads/writes from/to files, and I'm too lazy
+ # to learn how to disguise a variable as a file.
+ # 2. There are incompatibilities between some File::Temp versions
+ # (including 0.18, bundled with Lenny's perl-modules package)
+ # and others (e.g. 0.20, previously present in the archive as
+ # a standalone package): under certain circumstances, some
+ # return a relative filename, whereas others return an absolute one;
+ # we here use this module in a way that is at least compatible
+ # with 0.18 and 0.20. Beware, hit'n'run refactorers!
+ my $infile = new File::Temp(TEMPLATE => "ikiwiki-po-filter-in.XXXXXXXXXX",
+ DIR => File::Spec->tmpdir,
+ UNLINK => 1)->filename;
+ my $outfile = new File::Temp(TEMPLATE => "ikiwiki-po-filter-out.XXXXXXXXXX",
+ DIR => File::Spec->tmpdir,
+ UNLINK => 1)->filename;
+
+ writefile(basename($infile), File::Spec->tmpdir, $content);
my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
- my $file=srcfile(exists $params{file} ? $params{file} : $IkiWiki::pagesources{$page});
my $masterfile = srcfile($pagesources{$masterpage});
my (@pos,@masters);
- push @pos,$file;
+ push @pos,$infile;
push @masters,$masterfile;
my %options = (
- "markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0,
- );
+ "markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0,
+ );
my $doc=Locale::Po4a::Chooser::new('text',%options);
$doc->process(
'po_in_name' => \@pos,
'file_in_name' => \@masters,
'file_in_charset' => 'utf-8',
'file_out_charset' => 'utf-8',
- ) or error("[po/filter:$file]: failed to translate");
- my ($percent,$hit,$queries) = $doc->stats();
- my $tmpfh = File::Temp->new(TEMPLATE => "/tmp/ikiwiki-po-filter-out.XXXXXXXXXX");
- my $tmpout = $tmpfh->filename;
- $doc->write($tmpout) or error("[po/filter:$file] could not write $tmpout");
- $content = readfile($tmpout) or error("[po/filter:$file] could not read $tmpout");
+ ) or error("[po/filter:$infile]: failed to translate");
+ $doc->write($outfile) or error("[po/filter:$infile] could not write $outfile");
+ $content = readfile($outfile) or error("[po/filter:$infile] could not read $outfile");
+
+ # Unlinking should happen automatically, thanks to File::Temp,
+ # but it does not work here, probably because of the way writefile()
+ # and Locale::Po4a::write() work.
+ unlink $infile, $outfile;
+
+ $filtered{$page}{$destpage}=1;
return $content;
} #}}}
sub htmlize (@) { #{{{
my %params=@_;
+
my $page = $params{page};
my $content = $params{content};
my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
return IkiWiki::htmlize($page, $page, pagetype($masterfile), $content);
} #}}}
+sub percenttranslated ($) { #{{{
+ my $page=shift;
+
+ return gettext("N/A") unless (istranslation($page));
+ my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
+ my $file=srcfile($pagesources{$page});
+ my $masterfile = srcfile($pagesources{$masterpage});
+ my (@pos,@masters);
+ push @pos,$file;
+ push @masters,$masterfile;
+ my %options = (
+ "markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0,
+ );
+ my $doc=Locale::Po4a::Chooser::new('text',%options);
+ $doc->process(
+ 'po_in_name' => \@pos,
+ 'file_in_name' => \@masters,
+ 'file_in_charset' => 'utf-8',
+ 'file_out_charset' => 'utf-8',
+ ) or error("[po/percenttranslated:$file]: failed to translate");
+ my ($percent,$hit,$queries) = $doc->stats();
+ return $percent;
+} #}}}
+
+sub otherlanguages ($) { #{{{
+ my $page=shift;
+
+ my @ret;
+ if (istranslatable($page)) {
+ foreach my $lang (sort keys %{$translations{$page}}) {
+ my $translation = $translations{$page}{$lang};
+ push @ret, {
+ url => urlto($translation, $page),
+ code => $lang,
+ language => $config{po_slave_languages}{$lang},
+ percent => percenttranslated($translation),
+ };
+ }
+ }
+ elsif (istranslation($page)) {
+ my ($masterpage, $curlang) = ($page =~ /(.*)[.]([a-z]{2})$/);
+ push @ret, {
+ url => urlto_with_orig_beautiful_urlpath($masterpage, $page),
+ code => $config{po_master_language}{code},
+ language => $config{po_master_language}{name},
+ master => 1,
+ };
+ foreach my $lang (sort keys %{$translations{$masterpage}}) {
+ push @ret, {
+ url => urlto($translations{$masterpage}{$lang}, $page),
+ code => $lang,
+ language => $config{po_slave_languages}{$lang},
+ percent => percenttranslated($translations{$masterpage}{$lang}),
+ } unless ($lang eq $curlang);
+ }
+ }
+ return @ret;
+} #}}}
+
+sub pagetemplate (@) { #{{{
+ my %params=@_;
+ my $page=$params{page};
+ my $destpage=$params{destpage};
+ my $template=$params{template};
+
+ my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/) if istranslation($page);
+
+ if (istranslation($page) && $template->query(name => "percenttranslated")) {
+ $template->param(percenttranslated => percenttranslated($page));
+ }
+ if ($template->query(name => "istranslation")) {
+ $template->param(istranslation => istranslation($page));
+ }
+ if ($template->query(name => "istranslatable")) {
+ $template->param(istranslatable => istranslatable($page));
+ }
+ if ($template->query(name => "otherlanguages")) {
+ $template->param(otherlanguages => [otherlanguages($page)]);
+ if (istranslatable($page)) {
+ foreach my $translation (values %{$translations{$page}}) {
+ add_depends($page, $translation);
+ }
+ }
+ elsif (istranslation($page)) {
+ add_depends($page, $masterpage);
+ foreach my $translation (values %{$translations{$masterpage}}) {
+ add_depends($page, $translation);
+ }
+ }
+ }
+ # Rely on IkiWiki::Render's genpage() to decide wether
+ # a discussion link should appear on $page; this is not
+ # totally accurate, though: some broken links may be generated
+ # when cgiurl is disabled.
+ # This compromise avoids some code duplication, and will probably
+ # prevent future breakage when ikiwiki internals change.
+ # Known limitations are preferred to future random bugs.
+ if ($template->param('discussionlink') && istranslation($page)) {
+ $template->param('discussionlink' => htmllink(
+ $page,
+ $destpage,
+ $masterpage . '/' . gettext("Discussion"),
+ noimageinline => 1,
+ forcesubpage => 0,
+ linktext => gettext("Discussion"),
+ ));
+ }
+ # remove broken parentlink to ./index.html on home page's translations
+ if ($template->param('parentlinks')
+ && istranslation($page)
+ && $masterpage eq "index") {
+ $template->param('parentlinks' => []);
+ }
+} # }}}
+
+sub change(@) { #{{{
+ my @rendered=@_;
+
+ my $updated_po_files=0;
+
+ # Refresh/create POT and PO files as needed.
+ foreach my $page (map pagename($_), @rendered) {
+ next unless istranslatable($page);
+ my $file=srcfile($pagesources{$page});
+ my $updated_pot_file=0;
+ if ((grep { $_ eq $pagesources{$page} } @origneedsbuild)
+ || ! -e potfile($file)) {
+ refreshpot($file);
+ $updated_pot_file=1;
+ }
+ my @pofiles;
+ foreach my $lang (keys %{$config{po_slave_languages}}) {
+ my $pofile=pofile($file, $lang);
+ if ($updated_pot_file || ! -e $pofile) {
+ push @pofiles, $pofile;
+ }
+ }
+ if (@pofiles) {
+ refreshpofiles($file, @pofiles);
+ map { IkiWiki::rcs_add($_); } @pofiles if ($config{rcs});
+ $updated_po_files=1;
+ }
+ }
+
+ if ($updated_po_files) {
+ # Check staged changes in.
+ if ($config{rcs}) {
+ IkiWiki::disable_commit_hook();
+ IkiWiki::rcs_commit_staged(gettext("updated PO files"),
+ "IkiWiki::Plugin::po::change", "127.0.0.1");
+ IkiWiki::enable_commit_hook();
+ IkiWiki::rcs_update();
+ }
+ # Reinitialize module's private variables.
+ undef %filtered;
+ undef %translations;
+ # Trigger a wiki refresh.
+ require IkiWiki::Render;
+ IkiWiki::refresh();
+ IkiWiki::saveindex();
+ }
+} #}}}
+
+sub editcontent () { #{{{
+ my %params=@_;
+ # as we're previewing or saving a page, the content may have
+ # changed, so tell the next filter() invocation it must not be lazy
+ if (exists $filtered{$params{page}}{$params{page}}) {
+ delete $filtered{$params{page}}{$params{page}};
+ }
+ return $params{content};
+} #}}}
+
sub istranslatable ($) { #{{{
my $page=shift;
+
my $file=$pagesources{$page};
if (! defined $file
return pagespec_match($page, $config{po_translatable_pages});
} #}}}
-sub istranslation ($) { #{{{
+sub _istranslation ($) { #{{{
my $page=shift;
+
my $file=$pagesources{$page};
if (! defined $file) {
return IkiWiki::FailReason->new("no file specified");
return istranslatable($masterpage);
} #}}}
+sub istranslation ($) { #{{{
+ my $page=shift;
+
+ if (_istranslation($page)) {
+ my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
+ $translations{$masterpage}{$lang}=$page unless exists $translations{$masterpage}{$lang};
+ return 1;
+ }
+ return 0;
+} #}}}
package IkiWiki::PageSpec;
use warnings;
sub match_istranslation ($;@) { #{{{
my $page=shift;
- if (IkiWiki::Plugins::po::istranslation($page)) {
+
+ if (IkiWiki::Plugin::po::istranslation($page)) {
return IkiWiki::SuccessReason->new("is a translation page");
}
else {
sub match_istranslatable ($;@) { #{{{
my $page=shift;
- if (IkiWiki::Plugins::po::istranslatable($page)) {
+
+ if (IkiWiki::Plugin::po::istranslatable($page)) {
return IkiWiki::SuccessReason->new("is set as translatable in po_translatable_pages");
}
else {
}
} #}}}
+sub match_lang ($$;@) { #{{{
+ my $page=shift;
+ my $wanted=shift;
+
+ my $regexp=IkiWiki::glob2re($wanted);
+ my $lang;
+ my $masterpage;
+
+ if (IkiWiki::Plugin::po::istranslation($page)) {
+ ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
+ }
+ else {
+ $lang = $config{po_master_language}{code};
+ }
+
+ if ($lang!~/^$regexp$/i) {
+ return IkiWiki::FailReason->new("file language is $lang, not $wanted");
+ }
+ else {
+ return IkiWiki::SuccessReason->new("file language is $wanted");
+ }
+} #}}}
+
+sub match_currentlang ($$;@) { #{{{
+ my $page=shift;
+
+ shift;
+ my %params=@_;
+ my ($currentmasterpage, $currentlang, $masterpage, $lang);
+
+ return IkiWiki::FailReason->new("no location provided") unless exists $params{location};
+
+ if (IkiWiki::Plugin::po::istranslation($params{location})) {
+ ($currentmasterpage, $currentlang) = ($params{location} =~ /(.*)[.]([a-z]{2})$/);
+ }
+ else {
+ $currentlang = $config{po_master_language}{code};
+ }
+
+ if (IkiWiki::Plugin::po::istranslation($page)) {
+ ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
+ }
+ else {
+ $lang = $config{po_master_language}{code};
+ }
+
+ if ($lang eq $currentlang) {
+ return IkiWiki::SuccessReason->new("file language is the same as current one, i.e. $currentlang");
+ }
+ else {
+ return IkiWiki::FailReason->new("file language is $lang, whereas current language is $currentlang");
+ }
+} #}}}
+
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