/usr/bin/podebconf-display-po is in po-debconf 1.0.20.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 | #!/usr/bin/perl -w
use strict;
use File::Temp;
use Getopt::Long;
sub usage {
my $rc = shift;
print "Usage: podebconf-display-po [-h] [-f frontend] file.po\n";
exit($rc);
}
my $help = 0;
my $frontend = '';
Getopt::Long::Configure('bundling');
Getopt::Long::GetOptions(
"h|help" => \$help,
"f|frontend=s" => \$frontend,
) || usage(1);
usage(0) if $help;
usage(1) if $#ARGV != 0;
sub unescapechar {
my $char = shift;
if ($char eq 'n') {
# Add a space to conform to debconf templates format
return "\n ";
} elsif ($char eq 't') {
return "\t";
} elsif ($char eq 'r') {
return "\r";
} else {
# Fallback also works for \\ and \"
return $char;
}
}
sub unescapestr {
my $text = shift;
my $out = '';
my $last = 0;
while ($text =~ m/\G([^\\]*)\\([ntr"\\])/g) {
$last = pos($text);
$out .= $1 . unescapechar($2);
}
$out .= substr($text, $last);
return $out;
}
# Format 1: No "Type:" in comments
# Format 2: Only one reference per string and file, line numbers
# match the ones in templates files
# Format 3: All references are written into PO files; first template
# is numbered from 1001, 2nd from 2001 etc.
sub guessFormat {
my $text = shift;
return 1 unless $text =~ m/^#\. Type:/;
while ($text =~ s/#:\s*([^:\s]+):(\d+)/#:/) {
my ($file,$line) = ($1, $2);
return 2 if $line < 1000;
}
return 3;
}
# 1. Read the PO file and write a fake templates file
my $fields = {};
my $rfc822Format = 0;
# Recode PO files into UTF-8 to avoid stateful encodings
{
open(PO, "msgconv -t UTF-8 $ARGV[0] |")
or die "'msgconv -t UTF-8 $ARGV[0]' failed: $!\n";
local $/ = "\n\n";
while (<PO>) {
next unless m/^msgid/m;
s/"\n"//g;
# Skip header entry
next if m/^msgid ""$/m;
my $type = '';
my $field = '';
m/^msgid "(.*)"/m;
my $msgid = unescapestr($1);
m/^msgstr "(.*)"/m;
my $msgstr = unescapestr($1);
# Escape dollar signs to prevent variable substitutions
$msgid =~ s/\$/\${dollarsign}/g;
$msgstr =~ s/\$/\${dollarsign}/g;
$rfc822Format = guessFormat($_) if $rfc822Format == 0;
while (s/#:\s*([^:\s]+):(\d+)/#:/) {
my ($file,$line) = ($1, $2);
my $tmp = $_;
if ($rfc822Format == 1) {
# Old format
1 while ($tmp =~ s/^#\.\s+(.*)//m);
$field = $1;
} else {
# New format
if ($tmp =~ s/^#\. Type:\s*(\S+)\n//) {
$type = lc($1);
}
# The entropy-text type is a plugin
$type = "text" if $type eq "entropy-text";
if ($tmp =~ s/^#\. (\S+)\n//) {
$field = $1;
}
}
$field = ucfirst($field);
$fields->{$file} = {} unless defined($fields->{$file});
if (defined $fields->{$file}->{$line}) {
if ($field eq 'Choices') {
if ($msgstr =~ m/,/) {
warn "The translation of Choices ".
"should not contain commas. ".
"Please fix the translation ".
"of '$msgid'.";
}
$fields->{$file}->{$line}->{msgid} .= ", ".$msgid;
$fields->{$file}->{$line}->{msgstr} .= ", ".$msgstr;
} else {
$fields->{$file}->{$line}->{msgid} .= "\n ".($fields->{$file}->{$line}->{msgid} =~ m/\n/ ? ".\n " : '').$msgid;
$fields->{$file}->{$line}->{msgstr} .= "\n ".($fields->{$file}->{$line}->{msgstr} =~ m/\n/ ? ".\n " : '').$msgstr;
}
} else {
$fields->{$file}->{$line} = {
type => $type,
field => $field,
msgid => $msgid,
msgstr => $msgstr,
line => $line,
};
}
}
}
close(PO);
}
# Translated fields in the generated templates file will be written
# with an extension which is suitable for current user's environment.
# Of course, there will be trouble if there is some encoding mismatch.
my $lang = $ENV{LANGUAGE} || $ENV{LC_ALL} || $ENV{LC_MESSAGES} || $ENV{LANG} || $ARGV[0];
# For LANGUAGE
$lang =~ s/:.*//;
# For filename
$lang =~ s{.*/}{};
$lang =~ s/\.po$//;
# For locale variables. Charset and modifiers have to be stripped.
$lang =~ s/[.@].*//;
my $count = 0;
my $new = 1;
my $choices = 0;
my @tempfiles = ();
my ($fh, $template) = File::Temp::tempfile()
or die "Unable to write temporary files";
push (@tempfiles, $template);
$SIG{INT} = sub { unlink (@tempfiles); exit(1); };
my $titles = {};
# TODO: Refactor this code
if ($rfc822Format < 3) {
for my $file (keys %$fields) {
for (sort { $a <=> $b } keys %{$fields->{$file}}) {
$titles->{$count} = 1 if ($fields->{$file}->{$_}->{type} =~ m/title/);
print $fh "Template: foo/bar$count\n" if $new;
if ($fields->{$file}->{$_}->{field} eq 'Description') {
print $fh "Type: ".
(length($fields->{$file}->{$_}->{type}) ?
$fields->{$file}->{$_}->{type} :
($choices ? "select" : "string"))."\n";
} elsif ($fields->{$file}->{$_}->{field} eq 'Choices') {
$choices = 1;
} elsif ($fields->{$file}->{$_}->{field} eq 'DefaultChoice') {
$fields->{$file}->{$_}->{field} = 'Default';
}
if ($fields->{$file}->{$_}->{field} eq 'Description' && $choices == 0 && $fields->{$file}->{$_}->{type} =~ m/select/)
{
# Dummy Choices field, needed to display the
# question.
print $fh "Choices: dummy1, dummy2\n";
}
print $fh "$fields->{$file}->{$_}->{field}: $fields->{$file}->{$_}->{msgid}\n";
print $fh "$fields->{$file}->{$_}->{field}-$lang.UTF-8: $fields->{$file}->{$_}->{msgstr}\n";
$new = 0;
if ($fields->{$file}->{$_}->{field} eq 'Description') {
$count++;
$new = 1;
$choices = 0;
print $fh "\n";
}
}
}
}
else
{
my $text = "";
my %last = ();
for my $file (keys %$fields) {
my $oldTemplateNr = 0;
for (sort { $a <=> $b } keys %{$fields->{$file}}) {
$titles->{$count} = 1 if ($fields->{$file}->{$_}->{type} =~ m/title/);
my $newTemplateNr = sprintf("%d", $_ / 1000);
if ($newTemplateNr != $oldTemplateNr) {
if ($count > 0) {
printf $fh "\nTemplate: foo/bar%d\n", $count - 1;
print $fh "Type: ".
(length($last{type}) ? $last{type} :
($choices ? "select" : "string"))."\n";
if ($choices == 0 && $last{type} =~ m/select/)
{
# Dummy Choices field, needed to display the
# question.
print $fh "Choices: dummy1, dummy2\n";
}
print $fh "$text\n";
}
$count++;
$choices = 0;
$text = "";
$oldTemplateNr = $newTemplateNr;
%last = %{$fields->{$file}->{$_}};
}
if ($fields->{$file}->{$_}->{field} eq 'Choices') {
$choices = 1;
} elsif ($fields->{$file}->{$_}->{field} eq 'DefaultChoice') {
$fields->{$file}->{$_}->{field} = 'Default';
}
# debconf is kind enough to not display a Select question if there
# is only one choice, so add a dummy item
if ($fields->{$file}->{$_}->{field} eq 'Choices' && $fields->{$file}->{$_}->{type} eq 'select' && $fields->{$file}->{$_}->{msgid} !~ /,/) {
$fields->{$file}->{$_}->{msgid} .= ", dummy2";
$fields->{$file}->{$_}->{msgstr} .= ", dummy2";
}
$text .= "$fields->{$file}->{$_}->{field}: $fields->{$file}->{$_}->{msgid}\n";
$text .= "$fields->{$file}->{$_}->{field}-$lang.UTF-8: $fields->{$file}->{$_}->{msgstr}\n";
}
}
if ($text ne "") {
printf $fh "Template: foo/bar%d\n", $count - 1;
print $fh "Type: ".
(length($last{type}) ? $last{type} :
($choices ? "select" : "string"))."\n";
if ($choices == 0 && $last{type} =~ m/select/)
{
# Dummy Choices field, needed to display the
# question.
print $fh "Choices: dummy1, dummy2\n";
}
print $fh "$text";
}
}
close($fh);
# 2. Load the templates file in debconf DB
use Debconf::Db;
use Debconf::AutoSelect qw(:all);
use Debconf::Config;
my ($dbth, $dbt) = File::Temp::tempfile()
or die "Unable to write temporary files";
my ($dbch, $dbc) = File::Temp::tempfile()
or die "Unable to write temporary files";
push (@tempfiles, $dbt, $dbc);
my %hashconfig = (
driver => "File",
mode => '0600',
name => "config",
backup => 0,
filename => $dbc
);
my %hashtemplates = (
driver => "File",
mode => '0600',
name => "templates",
backup => 0,
filename => $dbt
);
$Debconf::Db::config=Debconf::Db->makedriver(%hashconfig);
$Debconf::Db::templates=Debconf::Db->makedriver(%hashtemplates);
Debconf::Template->load($template, 'display');
Debconf::Db->save;
unlink $template;
# 3. Display questions
$Debconf::Db::config=Debconf::Db->makedriver(%hashconfig);
$Debconf::Db::templates=Debconf::Db->makedriver(%hashtemplates);
Debconf::Config->frontend($frontend) if length($frontend);
my $dc_frontend=make_frontend();
my $dc_confmodule=make_confmodule();
my $code=127;
my $cnt = 0;
while (1) {
$_="RESET foo/bar$cnt\n";
my $ret=$dc_confmodule->process_command($_);
if ($titles->{$cnt}) {
$_="SETTITLE foo/bar$cnt\n";
$ret=$dc_confmodule->process_command($_);
$cnt++;
next;
}
$_="SUBST foo/bar$cnt dollarsign \$\n";
$ret=$dc_confmodule->process_command($_);
$_="INPUT high foo/bar$cnt\n";
$ret=$dc_confmodule->process_command($_);
($code, undef)=split(/ /, $ret, 2);
last if $code ne 0 && $code ne 30;
$_="GO\n";
$ret=$dc_confmodule->process_command($_);
($code, undef)=split(/ /, $ret, 2);
$cnt++;
}
$dc_frontend->shutdown;
$dc_confmodule->finish;
Debconf::Db->save;
unlink $dbt, $dbc;
1;
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