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#!/usr/bin/perl -w
=head1 NAME
debconf-gettextize - convert master and localized templates files to PO files
=cut
use strict;
use Debconf::Template::Transient;
use Getopt::Long;
use Text::Wrap;
use Text::Tabs;
use File::Spec;
use File::Path;
use File::Temp;
sub usage {
print STDERR <<EOF;
Usage: debconf-gettextize [OPTIONS] master [master ...]
Options:
-h, --help display this help message
-v, --verbose enable verbose mode
--podir=DIR specify PO output directory
(Default: <master directory>/po)
--choices prepend two underscores before Choices fields
--merge merge extracted strings with existing PO files
EOF
exit $_[0];
}
# Ignore the users locale settings.
Debconf::Template::Transient->i18n(0);
# Prevent a wrapped line from beginning with a space
$Text::Wrap::break = qr/\n|\s(?=\S)/;
my $help = 0;
my $verbose = 0;
my $podir = "";
my $choices = 0;
my $merge = 0;
GetOptions(
'podir=s' => \$podir,
'choices' => \$choices,
'merge' => \$merge,
'verbose|v' => \$verbose,
'help|h' => \$help,
) or usage(1);
$help && usage(0);
$#ARGV >= 0 || usage(1);
$ENV{PODEBCONF_ENCODINGS} ||= "/usr/share/po-debconf/encodings";
$ENV{PODEBCONF_HEADER} ||= "/usr/share/po-debconf/pot-header";
if ($podir eq '') {
$podir = $ARGV[0];
if ($podir =~ m#/#) {
$podir =~ s{/[^/]*$}{/po};
} else {
$podir = 'po';
}
}
my $tmpdir = '';
my $oldpodir = '';
if ($merge) {
die "Error: $podir subdirectory does not exist ...exiting\n"
unless -d $podir;
$oldpodir = $podir;
$tmpdir = File::Temp::tempdir() or die "tmpdir() failed: $!\n";
print STDERR "Running po2debconf --podir=$podir -e po -o $tmpdir/templates $ARGV[0]\n" if $verbose;
system("po2debconf", "--podir=$podir", "-e", "po", "-o", $tmpdir."/templates", $ARGV[0]) == 0
or die "po2debconf failed: $? $!\n";
shift @ARGV;
for (@ARGV) {
system("po2debconf", "--podir=$podir", "-e", "po", "-o", $tmpdir."/templates.tmp", $_) == 0
or die "po2debconf failed: $!\n";
local $/ = undef;
open (IN, "<", $tmpdir."/templates.tmp");
my $add = <IN>;
close (IN);
open (OUT, ">>", $tmpdir."/templates");
print OUT "\n".$add;
close (OUT);
unlink $tmpdir."/templates.tmp";
}
@ARGV = ($tmpdir."/templates");
$podir = $tmpdir."/po";
} else {
die "Error: $podir subdirectory already exist ...exiting\n"
if -d $podir;
}
# Hacked version of the stringify routine from Debconf/Template.pm
# It prepends an underscore to translatable entries
sub new_stringify {
my $template = shift;
my @needfields = @_;
my @templatestrings;
my $transfields = ','.join(',', @needfields).',';
foreach (($template)) {
my $data='';
# Order the fields with Template and Type the top and the
# rest sorted.
foreach my $key ('template', 'type',
(grep { $_ ne 'template' && $_ ne 'type'} sort $_->fields)) {
next if $key=~/^extended_/;
# Do not output localized fields.
next if $key =~ m/-/;
if ($transfields =~ m/,$key,/) {
$data.='_';
$data.='_' if ($key eq 'choices' && $choices);
}
$data.=ucfirst($key).": ".$_->$key."\n";
my $e="extended_$key";
my $ext=$_->$e;
if (defined $ext) {
# Add extended field.
my $extended=expand(wrap(' ', ' ', $ext));
# The word wrapper sometimes outputs multiple
# " \n" lines, so collapse those into one.
$extended=~s/(\n )+\n/\n .\n/g;
$data.=$extended."\n" if length $extended;
}
}
push @templatestrings, $data;
}
return join("\n", @templatestrings);
}
sub escape_po {
my $txt = shift;
$txt =~ s/\\/\\\\/g;
$txt =~ s/\n/\\n/g;
$txt =~ s/"/\\"/g;
return $txt;
}
my %out = ();
my %enc = ();
my %txt = ();
my @obsolete = ();
my @files = @ARGV;
# Initialization
foreach my $master (@ARGV) {
die "Invalid master file: $master ...exiting\n".
"templates.* file names are reserved for localized templates files, you\n".
"should rename master files before running debconf-gettextize.\n".
"When finished, you can rename new master files into templates.in and\n".
"update POTFILES.in accordingly.\n\n"
if $master =~ m#templates\.([^./]+)$#;
die "File $master.old already exist ...exiting\n"
if -e "$master.old";
push (@obsolete, "$master.old");
push (@files, glob ("$master.?? $master.??_??"));
push (@obsolete, glob ("$master.?? $master.??_??"));
}
-d $podir || mkdir ($podir, 0755) || die "Can't create directory $podir: $!\n";
# Fix relative links
foreach (@ARGV) {
$_ = File::Spec->abs2rel($_, $podir);
s/^\.\.\///;
}
# Load master files
my %templates = ();
foreach my $fn (@files) {
next if $fn =~ m#templates\.([^./]+)$#;
$txt{$fn} = '';
my %master = map { $_->template => $_ } Debconf::Template::Transient->load($fn);
foreach (keys %master) {
$templates{$_} = $master{$_};
}
}
# Parse master and localized templates files
foreach my $fn (@files) {
print STDERR "Reading $fn\n" if $verbose;
my $filelang = ($fn=~m#templates\.([^./]+)$# ? lc($1) : undef);
foreach my $in (Debconf::Template::Transient->load($fn)) {
next unless exists $templates{$in->template};
my $master=$templates{$in->template};
# Work out what fields need to be translated.
my @needfields=qw{description extended_description};
if ($master->type !~ /^((multi)?select|note|boolean)$/) {
push @needfields, 'default' if defined $master->default;
}
if ($master->type =~ /(multi)?select/) {
push @needfields, 'choices';
}
# Parse the translated material
foreach my $field ($in->fields) {
next if $field eq 'template';
if ($field =~ m/^(.*?)-(.+)$/) {
my $origin_field=$1;
my $lang=$2;
if ($lang =~ s/\.(.*)//) {
die "Multiple encoding found for language: $lang ... exiting\n"
if (defined ($enc{$lang}) && $enc{$lang} ne uc ($1));
$enc{$lang} = uc ($1);
}
# Skip fields that are for some other language.
if (!defined($filelang) || $lang eq $filelang) {
$out{$lang} = []
unless (defined($out{$lang}));
my $label = $origin_field;
$label =~ s/extended_//;
$label = ucfirst($label);
my $origmaster = $master->$origin_field || '';
my @orig = split(/\n\n+/, $origmaster);
my $orignew = $in->$origin_field || '';
my @trans = split(/\n\n+/, $in->$field());
if ($label eq 'Choices' && $choices) {
@orig = ();
for my $value (split(/(?<!\\), */, $origmaster, 0))
{
$value =~ s/\\,/,/g;
push @orig, $value;
}
@trans = ();
for my $value (split(/(?<!\\), */, $in->$field(), 0))
{
$value =~ s/\\,/,/g;
push @trans, $value;
}
}
$origmaster =~ s/[\n\s]+//g;
$orignew =~ s/[\n\s]+//g;
my $fuzzy = ($origmaster ne $orignew) || (scalar @orig != scalar @trans);
if (scalar @orig <= scalar @trans) {
foreach (@orig) {
push @{$out{$lang}}, $label, $fuzzy, $_, shift(@trans);
}
} else {
foreach (@trans) {
push @{$out{$lang}}, $label, 1, shift(@orig), $_;
}
foreach (@orig) {
push @{$out{$lang}}, $label, 1, $_, '';
}
}
}
}
}
$txt{$fn} .= new_stringify($in, @needfields)."\n"
unless defined $filelang;
}
$txt{$fn} =~ s/\s*$/\n/s unless defined $filelang;
}
if (-f $ENV{PODEBCONF_ENCODINGS}) {
open(ENC, "<", $ENV{PODEBCONF_ENCODINGS})
|| die "Can't open $ENV{PODEBCONF_ENCODINGS} for reading: $!\n";
while (<ENC>) {
chomp;
next unless s/^([a-z][a-z](_[A-Z][A-Z])?)\s+//;
$enc{lc $1} ||= $_;
}
close(ENC);
}
foreach my $lang (sort keys %out) {
$enc{$lang} ||= 'CHARSET';
}
my $unknown_encoding = 0;
foreach my $lang (sort keys %out) {
my $polang = $lang;
$polang =~ s/_(..)$/_\U$1\E/;
$polang .= '.po';
print STDERR "Creating $podir/$polang\n" if $verbose;
my $header = '';
unless (-e "$podir/$polang") {
if (open (TOP, "<", $ENV{PODEBCONF_HEADER})) {
while (<TOP>) {
$header .= $_;
}
close (TOP);
}
$header .= "#\n"
."#, fuzzy\n"
."msgid \"\"\n"
."msgstr \"\"\n"
."\"Project-Id-Version: PACKAGE VERSION\\n\"\n"
."\"Report-Msgid-Bugs-To: \\n\"\n"
."\"POT-Creation-Date: ".localtime()."\\n\"\n"
."\"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\\n\"\n"
."\"Last-Translator: FULL NAME <EMAIL\@ADDRESS>\\n\"\n"
."\"Language-Team: LANGUAGE <LL\@li.org>\\n\"\n"
."\"MIME-Version: 1.0\\n\"\n"
."\"Content-Type: text/plain; charset=".$enc{$lang}."\\n\"\n"
."\"Content-Transfer-Encoding: 8bit\\n\"\n\n";
}
open (OUT, ">>", "$podir/$polang")
|| die "Can't open $podir/$polang for writing: $!\n";
binmode(OUT);
print OUT $header;
while (@{$out{$lang}}) {
print OUT "#: ".(shift @{$out{$lang}})."\n";
print OUT "#, fuzzy\n" if (shift @{$out{$lang}});
print OUT "msgid \"".
escape_po(shift @{$out{$lang}}).
"\"\n";
print OUT "msgstr \"".
escape_po(shift @{$out{$lang}}).
"\"\n\n";
}
close (OUT) || die "Can't write $podir/$polang: $!\n";
if ($enc{$lang} eq 'CHARSET') {
$unknown_encoding = 1;
warn "Warning: Encoding for language $lang is unknown.\n".
"Warning: This must be fixed before running po2debconf, so\n".
"Warning: $podir/$polang is renamed into $podir/$polang.unknown\n".
"Warning: in order not to break other languages.\n".
"Warning: Do not forget to rename it after having fixed its ".
"encoding declaration!\n";
rename "$podir/$polang", "$podir/$polang.unknown";
} else {
system("msguniq", "--use-first", "-o", "$podir/$polang.tmp", "$podir/$polang") == 0 or die "msguniq failed: $!\n";
rename "$podir/$polang.tmp", "$podir/$polang";
}
}
foreach my $master (keys %txt) {
rename $master, "$master.old"
or die "Unable to rename $master into $master.old\n";
print STDERR "Creating $master\n" if $verbose;
open (NEW, ">", $master) ||
die "Can't open $master for writing: $!\n";
print NEW $txt{$master};
close (NEW);
}
my $current = '';
if (-e "$podir/POTFILES.in") {
local $/ = undef;
open (LIST, "<", "$podir/POTFILES.in") ||
die "Can't read $podir/POTFILES.in: $!\n";
$current = <LIST>;
close (LIST);
}
print STDERR "Create $podir/POTFILES.in\n" if $verbose;
open (LIST, ">", "$podir/POTFILES.in") ||
die "Can't open $podir/POTFILES.in for writing: $!\n";
print LIST $current;
foreach (@ARGV) {
print LIST "[type: gettext/rfc822deb] $_\n"
unless $current =~ m/ $_\b/m;
}
close (LIST) || die "Can't open write $podir/POTFILES.in$!\n";
if ($merge) {
foreach my $lang (keys %out) {
my $polang = $lang;
$polang =~ s/_(..)$/_\U$1\E/;
if (-f "$oldpodir/$polang.po") {
unlink "$podir/temp";
system("msgcat", "--use-first", "-o", "$podir/temp", "$oldpodir/$polang.po", "$podir/$polang.po") == 0 && system("cp", "$podir/temp", "$oldpodir/$polang.po");
} else {
system("cp", "$podir/$polang.po", "$oldpodir/$polang.po");
}
}
File::Path::rmtree($tmpdir, 0, 1);
print "\n".
" To complete conversion, you must:\n".
" a. Adjust _Choices or __Choices fields in master templates file.\n".
" b. Run debconf-updatepo\n";
} else {
print STDERR "Running debconf-updatepo --podir=$podir\n" if $verbose;
system("debconf-updatepo", "--podir=$podir");
print "\n".
" To complete conversion, you must:\n".
" a. Check that new templates files contain all the localized fields\n".
" b. Add po-debconf to Build-Depends or Build-Depends-Indep in debian/control\n".
" c. Remove obsolete files:\n".
wrap(' ', ' ', join(' ', @obsolete))."\n".
" d. Edit debian/rules to generate the localized templates file, either\n".
" with dh_installdebconf or directly with po2debconf\n";
print " e. Check encoding in $podir/*.po.unknown files\n"
if ($unknown_encoding);
}
exit 0;
=head1 AUTHORS
Martin Quinson <martin.quinson@ens-lyon.fr>
Denis Barbier <barbier@linuxfr.org>
=cut
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